| Index: net/spdy/spdy_session.cc
|
| diff --git a/net/spdy/spdy_session.cc b/net/spdy/spdy_session.cc
|
| deleted file mode 100644
|
| index e1048324751292bbdf3f583d5bea90e7d12f61b8..0000000000000000000000000000000000000000
|
| --- a/net/spdy/spdy_session.cc
|
| +++ /dev/null
|
| @@ -1,3202 +0,0 @@
|
| -// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "net/spdy/spdy_session.h"
|
| -
|
| -#include <algorithm>
|
| -#include <limits>
|
| -#include <map>
|
| -#include <utility>
|
| -
|
| -#include "base/bind.h"
|
| -#include "base/compiler_specific.h"
|
| -#include "base/feature_list.h"
|
| -#include "base/location.h"
|
| -#include "base/logging.h"
|
| -#include "base/memory/ptr_util.h"
|
| -#include "base/metrics/histogram_macros.h"
|
| -#include "base/metrics/sparse_histogram.h"
|
| -#include "base/profiler/scoped_tracker.h"
|
| -#include "base/single_thread_task_runner.h"
|
| -#include "base/stl_util.h"
|
| -#include "base/strings/string_number_conversions.h"
|
| -#include "base/strings/string_util.h"
|
| -#include "base/strings/utf_string_conversions.h"
|
| -#include "base/threading/thread_task_runner_handle.h"
|
| -#include "base/time/time.h"
|
| -#include "base/trace_event/trace_event.h"
|
| -#include "base/values.h"
|
| -#include "crypto/ec_private_key.h"
|
| -#include "crypto/ec_signature_creator.h"
|
| -#include "net/base/proxy_delegate.h"
|
| -#include "net/cert/asn1_util.h"
|
| -#include "net/cert/cert_verify_result.h"
|
| -#include "net/cert/ct_policy_status.h"
|
| -#include "net/http/http_network_session.h"
|
| -#include "net/http/http_server_properties.h"
|
| -#include "net/http/http_util.h"
|
| -#include "net/http/transport_security_state.h"
|
| -#include "net/log/net_log.h"
|
| -#include "net/log/net_log_capture_mode.h"
|
| -#include "net/log/net_log_event_type.h"
|
| -#include "net/log/net_log_source_type.h"
|
| -#include "net/log/net_log_with_source.h"
|
| -#include "net/proxy/proxy_server.h"
|
| -#include "net/socket/socket.h"
|
| -#include "net/socket/ssl_client_socket.h"
|
| -#include "net/spdy/platform/api/spdy_estimate_memory_usage.h"
|
| -#include "net/spdy/platform/api/spdy_string_utils.h"
|
| -#include "net/spdy/spdy_buffer_producer.h"
|
| -#include "net/spdy/spdy_frame_builder.h"
|
| -#include "net/spdy/spdy_http_utils.h"
|
| -#include "net/spdy/spdy_log_util.h"
|
| -#include "net/spdy/spdy_protocol.h"
|
| -#include "net/spdy/spdy_session_pool.h"
|
| -#include "net/spdy/spdy_stream.h"
|
| -#include "net/ssl/channel_id_service.h"
|
| -#include "net/ssl/ssl_cipher_suite_names.h"
|
| -#include "net/ssl/ssl_connection_status_flags.h"
|
| -
|
| -namespace net {
|
| -
|
| -namespace {
|
| -
|
| -const int kReadBufferSize = 8 * 1024;
|
| -const int kDefaultConnectionAtRiskOfLossSeconds = 10;
|
| -const int kHungIntervalSeconds = 10;
|
| -
|
| -// Minimum seconds that unclaimed pushed streams will be kept in memory.
|
| -const int kMinPushedStreamLifetimeSeconds = 300;
|
| -
|
| -// Default initial value for HTTP/2 SETTINGS.
|
| -const uint32_t kDefaultInitialHeaderTableSize = 4096;
|
| -const uint32_t kDefaultInitialEnablePush = 1;
|
| -const uint32_t kDefaultInitialInitialWindowSize = 65535;
|
| -const uint32_t kDefaultInitialMaxFrameSize = 16384;
|
| -
|
| -bool IsSpdySettingAtDefaultInitialValue(SpdySettingsIds setting_id,
|
| - uint32_t value) {
|
| - switch (setting_id) {
|
| - case SETTINGS_HEADER_TABLE_SIZE:
|
| - return value == kDefaultInitialHeaderTableSize;
|
| - case SETTINGS_ENABLE_PUSH:
|
| - return value == kDefaultInitialEnablePush;
|
| - case SETTINGS_MAX_CONCURRENT_STREAMS:
|
| - // There is no initial limit on the number of concurrent streams.
|
| - return false;
|
| - case SETTINGS_INITIAL_WINDOW_SIZE:
|
| - return value == kDefaultInitialInitialWindowSize;
|
| - case SETTINGS_MAX_FRAME_SIZE:
|
| - return value == kDefaultInitialMaxFrameSize;
|
| - case SETTINGS_MAX_HEADER_LIST_SIZE:
|
| - // There is no initial limit on the size of the header list.
|
| - return false;
|
| - default:
|
| - // Undefined parameters have no initial value.
|
| - return false;
|
| - }
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyHeadersSentCallback(
|
| - const SpdyHeaderBlock* headers,
|
| - bool fin,
|
| - SpdyStreamId stream_id,
|
| - bool has_priority,
|
| - int weight,
|
| - SpdyStreamId parent_stream_id,
|
| - bool exclusive,
|
| - NetLogSource source_dependency,
|
| - NetLogCaptureMode capture_mode) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->Set("headers", ElideSpdyHeaderBlockForNetLog(*headers, capture_mode));
|
| - dict->SetBoolean("fin", fin);
|
| - dict->SetInteger("stream_id", stream_id);
|
| - dict->SetBoolean("has_priority", has_priority);
|
| - if (has_priority) {
|
| - dict->SetInteger("parent_stream_id", parent_stream_id);
|
| - dict->SetInteger("weight", weight);
|
| - dict->SetBoolean("exclusive", exclusive);
|
| - }
|
| - if (source_dependency.IsValid()) {
|
| - source_dependency.AddToEventParameters(dict.get());
|
| - }
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyHeadersReceivedCallback(
|
| - const SpdyHeaderBlock* headers,
|
| - bool fin,
|
| - SpdyStreamId stream_id,
|
| - NetLogCaptureMode capture_mode) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->Set("headers", ElideSpdyHeaderBlockForNetLog(*headers, capture_mode));
|
| - dict->SetBoolean("fin", fin);
|
| - dict->SetInteger("stream_id", stream_id);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdySessionCloseCallback(
|
| - int net_error,
|
| - const SpdyString* description,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("net_error", net_error);
|
| - dict->SetString("description", *description);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdySessionCallback(
|
| - const HostPortProxyPair* host_pair,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetString("host", host_pair->first.ToString());
|
| - dict->SetString("proxy", host_pair->second.ToPacString());
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyInitializedCallback(
|
| - NetLogSource source,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - if (source.IsValid()) {
|
| - source.AddToEventParameters(dict.get());
|
| - }
|
| - dict->SetString("protocol", NextProtoToString(kProtoHTTP2));
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdySendSettingsCallback(
|
| - const SettingsMap* settings,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - auto settings_list = base::MakeUnique<base::ListValue>();
|
| - for (SettingsMap::const_iterator it = settings->begin();
|
| - it != settings->end(); ++it) {
|
| - const SpdySettingsIds id = it->first;
|
| - const uint32_t value = it->second;
|
| - const char* settings_string;
|
| - SettingsIdToString(id, &settings_string);
|
| - settings_list->AppendString(
|
| - SpdyStringPrintf("[id:%u (%s) value:%u]", id, settings_string, value));
|
| - }
|
| - dict->Set("settings", std::move(settings_list));
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyRecvSettingsCallback(
|
| - const HostPortPair& host_port_pair,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetString("host", host_port_pair.ToString());
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyRecvSettingCallback(
|
| - SpdySettingsIds id,
|
| - uint32_t value,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - const char* settings_string;
|
| - SettingsIdToString(id, &settings_string);
|
| - dict->SetString("id", SpdyStringPrintf("%u (%s)", id, settings_string));
|
| - dict->SetInteger("value", value);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyWindowUpdateFrameCallback(
|
| - SpdyStreamId stream_id,
|
| - uint32_t delta,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("stream_id", static_cast<int>(stream_id));
|
| - dict->SetInteger("delta", delta);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdySessionWindowUpdateCallback(
|
| - int32_t delta,
|
| - int32_t window_size,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("delta", delta);
|
| - dict->SetInteger("window_size", window_size);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyDataCallback(
|
| - SpdyStreamId stream_id,
|
| - int size,
|
| - bool fin,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("stream_id", static_cast<int>(stream_id));
|
| - dict->SetInteger("size", size);
|
| - dict->SetBoolean("fin", fin);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyRecvRstStreamCallback(
|
| - SpdyStreamId stream_id,
|
| - SpdyErrorCode error_code,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("stream_id", static_cast<int>(stream_id));
|
| - dict->SetString(
|
| - "error_code",
|
| - SpdyStringPrintf("%u (%s)", error_code, ErrorCodeToString(error_code)));
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdySendRstStreamCallback(
|
| - SpdyStreamId stream_id,
|
| - SpdyErrorCode error_code,
|
| - const SpdyString* description,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("stream_id", static_cast<int>(stream_id));
|
| - dict->SetString(
|
| - "error_code",
|
| - SpdyStringPrintf("%u (%s)", error_code, ErrorCodeToString(error_code)));
|
| - dict->SetString("description", *description);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyPingCallback(
|
| - SpdyPingId unique_id,
|
| - bool is_ack,
|
| - const char* type,
|
| - NetLogCaptureMode /* capture_mode */) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("unique_id", static_cast<int>(unique_id));
|
| - dict->SetString("type", type);
|
| - dict->SetBoolean("is_ack", is_ack);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyRecvGoAwayCallback(
|
| - SpdyStreamId last_stream_id,
|
| - int active_streams,
|
| - int unclaimed_streams,
|
| - SpdyErrorCode error_code,
|
| - SpdyStringPiece debug_data,
|
| - NetLogCaptureMode capture_mode) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("last_accepted_stream_id", static_cast<int>(last_stream_id));
|
| - dict->SetInteger("active_streams", active_streams);
|
| - dict->SetInteger("unclaimed_streams", unclaimed_streams);
|
| - dict->SetString(
|
| - "error_code",
|
| - SpdyStringPrintf("%u (%s)", error_code, ErrorCodeToString(error_code)));
|
| - dict->SetString("debug_data",
|
| - ElideGoAwayDebugDataForNetLog(capture_mode, debug_data));
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyPushPromiseReceivedCallback(
|
| - const SpdyHeaderBlock* headers,
|
| - SpdyStreamId stream_id,
|
| - SpdyStreamId promised_stream_id,
|
| - NetLogCaptureMode capture_mode) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->Set("headers", ElideSpdyHeaderBlockForNetLog(*headers, capture_mode));
|
| - dict->SetInteger("id", stream_id);
|
| - dict->SetInteger("promised_stream_id", promised_stream_id);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyAdoptedPushStreamCallback(
|
| - SpdyStreamId stream_id,
|
| - const GURL* url,
|
| - NetLogCaptureMode capture_mode) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("stream_id", stream_id);
|
| - dict->SetString("url", url->spec());
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdySessionStalledCallback(
|
| - size_t num_active_streams,
|
| - size_t num_created_streams,
|
| - size_t num_pushed_streams,
|
| - size_t max_concurrent_streams,
|
| - const SpdyString& url,
|
| - NetLogCaptureMode capture_mode) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("num_active_streams", num_active_streams);
|
| - dict->SetInteger("num_created_streams", num_created_streams);
|
| - dict->SetInteger("num_pushed_streams", num_pushed_streams);
|
| - dict->SetInteger("max_concurrent_streams", max_concurrent_streams);
|
| - dict->SetString("url", url);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> NetLogSpdyPriorityCallback(
|
| - SpdyStreamId stream_id,
|
| - SpdyStreamId parent_stream_id,
|
| - int weight,
|
| - bool exclusive,
|
| - NetLogCaptureMode capture_mode) {
|
| - auto dict = base::MakeUnique<base::DictionaryValue>();
|
| - dict->SetInteger("stream_id", stream_id);
|
| - dict->SetInteger("parent_stream_id", parent_stream_id);
|
| - dict->SetInteger("weight", weight);
|
| - dict->SetBoolean("exclusive", exclusive);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -// Helper function to return the total size of an array of objects
|
| -// with .size() member functions.
|
| -template <typename T, size_t N>
|
| -size_t GetTotalSize(const T (&arr)[N]) {
|
| - size_t total_size = 0;
|
| - for (size_t i = 0; i < N; ++i) {
|
| - total_size += arr[i].size();
|
| - }
|
| - return total_size;
|
| -}
|
| -
|
| -// Helper class for std:find_if on STL container containing
|
| -// SpdyStreamRequest weak pointers.
|
| -class RequestEquals {
|
| - public:
|
| - explicit RequestEquals(const base::WeakPtr<SpdyStreamRequest>& request)
|
| - : request_(request) {}
|
| -
|
| - bool operator()(const base::WeakPtr<SpdyStreamRequest>& request) const {
|
| - return request_.get() == request.get();
|
| - }
|
| -
|
| - private:
|
| - const base::WeakPtr<SpdyStreamRequest> request_;
|
| -};
|
| -
|
| -// The maximum number of concurrent streams we will ever create. Even if
|
| -// the server permits more, we will never exceed this limit.
|
| -const size_t kMaxConcurrentStreamLimit = 256;
|
| -
|
| -class SpdyServerPushHelper : public ServerPushDelegate::ServerPushHelper {
|
| - public:
|
| - explicit SpdyServerPushHelper(base::WeakPtr<SpdySession> session,
|
| - const GURL& url)
|
| - : session_(session), request_url_(url) {}
|
| -
|
| - void Cancel() override {
|
| - if (session_)
|
| - session_->CancelPush(request_url_);
|
| - }
|
| -
|
| - const GURL& GetURL() const override { return request_url_; }
|
| -
|
| - private:
|
| - base::WeakPtr<SpdySession> session_;
|
| - const GURL request_url_;
|
| -};
|
| -
|
| -} // namespace
|
| -
|
| -SpdyProtocolErrorDetails MapFramerErrorToProtocolError(
|
| - SpdyFramer::SpdyFramerError err) {
|
| - switch (err) {
|
| - case SpdyFramer::SPDY_NO_ERROR:
|
| - return SPDY_ERROR_NO_ERROR;
|
| - case SpdyFramer::SPDY_INVALID_STREAM_ID:
|
| - return SPDY_ERROR_INVALID_STREAM_ID;
|
| - case SpdyFramer::SPDY_INVALID_CONTROL_FRAME:
|
| - return SPDY_ERROR_INVALID_CONTROL_FRAME;
|
| - case SpdyFramer::SPDY_CONTROL_PAYLOAD_TOO_LARGE:
|
| - return SPDY_ERROR_CONTROL_PAYLOAD_TOO_LARGE;
|
| - case SpdyFramer::SPDY_ZLIB_INIT_FAILURE:
|
| - return SPDY_ERROR_ZLIB_INIT_FAILURE;
|
| - case SpdyFramer::SPDY_UNSUPPORTED_VERSION:
|
| - return SPDY_ERROR_UNSUPPORTED_VERSION;
|
| - case SpdyFramer::SPDY_DECOMPRESS_FAILURE:
|
| - return SPDY_ERROR_DECOMPRESS_FAILURE;
|
| - case SpdyFramer::SPDY_COMPRESS_FAILURE:
|
| - return SPDY_ERROR_COMPRESS_FAILURE;
|
| - case SpdyFramer::SPDY_GOAWAY_FRAME_CORRUPT:
|
| - return SPDY_ERROR_GOAWAY_FRAME_CORRUPT;
|
| - case SpdyFramer::SPDY_RST_STREAM_FRAME_CORRUPT:
|
| - return SPDY_ERROR_RST_STREAM_FRAME_CORRUPT;
|
| - case SpdyFramer::SPDY_INVALID_PADDING:
|
| - return SPDY_ERROR_INVALID_PADDING;
|
| - case SpdyFramer::SPDY_INVALID_DATA_FRAME_FLAGS:
|
| - return SPDY_ERROR_INVALID_DATA_FRAME_FLAGS;
|
| - case SpdyFramer::SPDY_INVALID_CONTROL_FRAME_FLAGS:
|
| - return SPDY_ERROR_INVALID_CONTROL_FRAME_FLAGS;
|
| - case SpdyFramer::SPDY_UNEXPECTED_FRAME:
|
| - return SPDY_ERROR_UNEXPECTED_FRAME;
|
| - case SpdyFramer::SPDY_INTERNAL_FRAMER_ERROR:
|
| - return SPDY_ERROR_INTERNAL_FRAMER_ERROR;
|
| - case SpdyFramer::SPDY_INVALID_CONTROL_FRAME_SIZE:
|
| - return SPDY_ERROR_INVALID_CONTROL_FRAME_SIZE;
|
| - case SpdyFramer::SPDY_OVERSIZED_PAYLOAD:
|
| - return SPDY_ERROR_OVERSIZED_PAYLOAD;
|
| - case SpdyFramer::LAST_ERROR:
|
| - NOTREACHED();
|
| - }
|
| - NOTREACHED();
|
| - return static_cast<SpdyProtocolErrorDetails>(-1);
|
| -}
|
| -
|
| -Error MapFramerErrorToNetError(SpdyFramer::SpdyFramerError err) {
|
| - switch (err) {
|
| - case SpdyFramer::SPDY_NO_ERROR:
|
| - return OK;
|
| - case SpdyFramer::SPDY_INVALID_CONTROL_FRAME:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_CONTROL_PAYLOAD_TOO_LARGE:
|
| - return ERR_SPDY_FRAME_SIZE_ERROR;
|
| - case SpdyFramer::SPDY_ZLIB_INIT_FAILURE:
|
| - return ERR_SPDY_COMPRESSION_ERROR;
|
| - case SpdyFramer::SPDY_UNSUPPORTED_VERSION:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_DECOMPRESS_FAILURE:
|
| - return ERR_SPDY_COMPRESSION_ERROR;
|
| - case SpdyFramer::SPDY_COMPRESS_FAILURE:
|
| - return ERR_SPDY_COMPRESSION_ERROR;
|
| - case SpdyFramer::SPDY_GOAWAY_FRAME_CORRUPT:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_RST_STREAM_FRAME_CORRUPT:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_INVALID_PADDING:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_INVALID_DATA_FRAME_FLAGS:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_INVALID_CONTROL_FRAME_FLAGS:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_UNEXPECTED_FRAME:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_INTERNAL_FRAMER_ERROR:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_INVALID_CONTROL_FRAME_SIZE:
|
| - return ERR_SPDY_FRAME_SIZE_ERROR;
|
| - case SpdyFramer::SPDY_INVALID_STREAM_ID:
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| - case SpdyFramer::SPDY_OVERSIZED_PAYLOAD:
|
| - return ERR_SPDY_FRAME_SIZE_ERROR;
|
| - case SpdyFramer::LAST_ERROR:
|
| - NOTREACHED();
|
| - }
|
| - NOTREACHED();
|
| - return ERR_SPDY_PROTOCOL_ERROR;
|
| -}
|
| -
|
| -SpdyProtocolErrorDetails MapRstStreamStatusToProtocolError(
|
| - SpdyErrorCode error_code) {
|
| - switch (error_code) {
|
| - case ERROR_CODE_NO_ERROR:
|
| - return STATUS_CODE_NO_ERROR;
|
| - case ERROR_CODE_PROTOCOL_ERROR:
|
| - return STATUS_CODE_PROTOCOL_ERROR;
|
| - case ERROR_CODE_INTERNAL_ERROR:
|
| - return STATUS_CODE_INTERNAL_ERROR;
|
| - case ERROR_CODE_FLOW_CONTROL_ERROR:
|
| - return STATUS_CODE_FLOW_CONTROL_ERROR;
|
| - case ERROR_CODE_SETTINGS_TIMEOUT:
|
| - return STATUS_CODE_SETTINGS_TIMEOUT;
|
| - case ERROR_CODE_STREAM_CLOSED:
|
| - return STATUS_CODE_STREAM_CLOSED;
|
| - case ERROR_CODE_FRAME_SIZE_ERROR:
|
| - return STATUS_CODE_FRAME_SIZE_ERROR;
|
| - case ERROR_CODE_REFUSED_STREAM:
|
| - return STATUS_CODE_REFUSED_STREAM;
|
| - case ERROR_CODE_CANCEL:
|
| - return STATUS_CODE_CANCEL;
|
| - case ERROR_CODE_COMPRESSION_ERROR:
|
| - return STATUS_CODE_COMPRESSION_ERROR;
|
| - case ERROR_CODE_CONNECT_ERROR:
|
| - return STATUS_CODE_CONNECT_ERROR;
|
| - case ERROR_CODE_ENHANCE_YOUR_CALM:
|
| - return STATUS_CODE_ENHANCE_YOUR_CALM;
|
| - case ERROR_CODE_INADEQUATE_SECURITY:
|
| - return STATUS_CODE_INADEQUATE_SECURITY;
|
| - case ERROR_CODE_HTTP_1_1_REQUIRED:
|
| - return STATUS_CODE_HTTP_1_1_REQUIRED;
|
| - }
|
| - NOTREACHED();
|
| - return static_cast<SpdyProtocolErrorDetails>(-1);
|
| -}
|
| -
|
| -SpdyErrorCode MapNetErrorToGoAwayStatus(Error err) {
|
| - switch (err) {
|
| - case OK:
|
| - return ERROR_CODE_NO_ERROR;
|
| - case ERR_SPDY_PROTOCOL_ERROR:
|
| - return ERROR_CODE_PROTOCOL_ERROR;
|
| - case ERR_SPDY_FLOW_CONTROL_ERROR:
|
| - return ERROR_CODE_FLOW_CONTROL_ERROR;
|
| - case ERR_SPDY_FRAME_SIZE_ERROR:
|
| - return ERROR_CODE_FRAME_SIZE_ERROR;
|
| - case ERR_SPDY_COMPRESSION_ERROR:
|
| - return ERROR_CODE_COMPRESSION_ERROR;
|
| - case ERR_SPDY_INADEQUATE_TRANSPORT_SECURITY:
|
| - return ERROR_CODE_INADEQUATE_SECURITY;
|
| - default:
|
| - return ERROR_CODE_PROTOCOL_ERROR;
|
| - }
|
| -}
|
| -
|
| -SpdyStreamRequest::SpdyStreamRequest() : weak_ptr_factory_(this) {
|
| - Reset();
|
| -}
|
| -
|
| -SpdyStreamRequest::~SpdyStreamRequest() {
|
| - CancelRequest();
|
| -}
|
| -
|
| -int SpdyStreamRequest::StartRequest(SpdyStreamType type,
|
| - const base::WeakPtr<SpdySession>& session,
|
| - const GURL& url,
|
| - RequestPriority priority,
|
| - const NetLogWithSource& net_log,
|
| - const CompletionCallback& callback) {
|
| - DCHECK(session);
|
| - DCHECK(!session_);
|
| - DCHECK(!stream_);
|
| - DCHECK(callback_.is_null());
|
| -
|
| - type_ = type;
|
| - session_ = session;
|
| - url_ = url;
|
| - priority_ = priority;
|
| - net_log_ = net_log;
|
| - callback_ = callback;
|
| -
|
| - base::WeakPtr<SpdyStream> stream;
|
| - int rv = session->TryCreateStream(weak_ptr_factory_.GetWeakPtr(), &stream);
|
| - if (rv == OK) {
|
| - Reset();
|
| - stream_ = stream;
|
| - }
|
| - return rv;
|
| -}
|
| -
|
| -void SpdyStreamRequest::CancelRequest() {
|
| - if (session_)
|
| - session_->CancelStreamRequest(weak_ptr_factory_.GetWeakPtr());
|
| - Reset();
|
| - // Do this to cancel any pending CompleteStreamRequest() tasks.
|
| - weak_ptr_factory_.InvalidateWeakPtrs();
|
| -}
|
| -
|
| -base::WeakPtr<SpdyStream> SpdyStreamRequest::ReleaseStream() {
|
| - DCHECK(!session_);
|
| - base::WeakPtr<SpdyStream> stream = stream_;
|
| - DCHECK(stream);
|
| - Reset();
|
| - return stream;
|
| -}
|
| -
|
| -size_t SpdyStreamRequest::EstimateMemoryUsage() const {
|
| - return base::trace_event::EstimateItemMemoryUsage(url_);
|
| -}
|
| -
|
| -void SpdyStreamRequest::OnRequestCompleteSuccess(
|
| - const base::WeakPtr<SpdyStream>& stream) {
|
| - DCHECK(session_);
|
| - DCHECK(!stream_);
|
| - DCHECK(!callback_.is_null());
|
| - CompletionCallback callback = callback_;
|
| - Reset();
|
| - DCHECK(stream);
|
| - stream_ = stream;
|
| - callback.Run(OK);
|
| -}
|
| -
|
| -void SpdyStreamRequest::OnRequestCompleteFailure(int rv) {
|
| - DCHECK(session_);
|
| - DCHECK(!stream_);
|
| - DCHECK(!callback_.is_null());
|
| - CompletionCallback callback = callback_;
|
| - Reset();
|
| - DCHECK_NE(rv, OK);
|
| - callback.Run(rv);
|
| -}
|
| -
|
| -void SpdyStreamRequest::Reset() {
|
| - type_ = SPDY_BIDIRECTIONAL_STREAM;
|
| - session_.reset();
|
| - stream_.reset();
|
| - url_ = GURL();
|
| - priority_ = MINIMUM_PRIORITY;
|
| - net_log_ = NetLogWithSource();
|
| - callback_.Reset();
|
| -}
|
| -
|
| -SpdySession::UnclaimedPushedStreamContainer::UnclaimedPushedStreamContainer(
|
| - SpdySession* spdy_session)
|
| - : spdy_session_(spdy_session) {}
|
| -SpdySession::UnclaimedPushedStreamContainer::~UnclaimedPushedStreamContainer() {
|
| -}
|
| -
|
| -size_t SpdySession::UnclaimedPushedStreamContainer::erase(const GURL& url) {
|
| - const_iterator it = find(url);
|
| - if (it != end()) {
|
| - streams_.erase(it);
|
| - return 1;
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -SpdySession::UnclaimedPushedStreamContainer::iterator
|
| -SpdySession::UnclaimedPushedStreamContainer::erase(const_iterator it) {
|
| - DCHECK(spdy_session_->pool_);
|
| - DCHECK(it != end());
|
| - // Only allow cross-origin push for secure resources.
|
| - if (it->first.SchemeIsCryptographic()) {
|
| - spdy_session_->pool_->UnregisterUnclaimedPushedStream(it->first,
|
| - spdy_session_);
|
| - }
|
| - return streams_.erase(it);
|
| -}
|
| -
|
| -SpdySession::UnclaimedPushedStreamContainer::iterator
|
| -SpdySession::UnclaimedPushedStreamContainer::insert(
|
| - const_iterator position,
|
| - const GURL& url,
|
| - SpdyStreamId stream_id,
|
| - const base::TimeTicks& creation_time) {
|
| - DCHECK(spdy_session_->pool_);
|
| - // Only allow cross-origin push for https resources.
|
| - if (url.SchemeIsCryptographic()) {
|
| - spdy_session_->pool_->RegisterUnclaimedPushedStream(
|
| - url, spdy_session_->GetWeakPtr());
|
| - }
|
| - return streams_.insert(
|
| - position,
|
| - std::make_pair(
|
| - url, SpdySession::UnclaimedPushedStreamContainer::PushedStreamInfo(
|
| - stream_id, creation_time)));
|
| -}
|
| -
|
| -size_t SpdySession::UnclaimedPushedStreamContainer::EstimateMemoryUsage()
|
| - const {
|
| - return SpdyEstimateMemoryUsage(streams_);
|
| -}
|
| -
|
| -// static
|
| -bool SpdySession::CanPool(TransportSecurityState* transport_security_state,
|
| - const SSLInfo& ssl_info,
|
| - const SpdyString& old_hostname,
|
| - const SpdyString& new_hostname) {
|
| - // Pooling is prohibited if the server cert is not valid for the new domain,
|
| - // and for connections on which client certs were sent. It is also prohibited
|
| - // when channel ID was sent if the hosts are from different eTLDs+1.
|
| - if (IsCertStatusError(ssl_info.cert_status))
|
| - return false;
|
| -
|
| - if (ssl_info.client_cert_sent)
|
| - return false;
|
| -
|
| - if (ssl_info.channel_id_sent &&
|
| - ChannelIDService::GetDomainForHost(new_hostname) !=
|
| - ChannelIDService::GetDomainForHost(old_hostname)) {
|
| - return false;
|
| - }
|
| -
|
| - if (!ssl_info.cert->VerifyNameMatch(new_hostname, false))
|
| - return false;
|
| -
|
| - SpdyString pinning_failure_log;
|
| - // DISABLE_PIN_REPORTS is set here because this check can fail in
|
| - // normal operation without being indicative of a misconfiguration or
|
| - // attack. Port is left at 0 as it is never used.
|
| - if (transport_security_state->CheckPublicKeyPins(
|
| - HostPortPair(new_hostname, 0), ssl_info.is_issued_by_known_root,
|
| - ssl_info.public_key_hashes, ssl_info.unverified_cert.get(),
|
| - ssl_info.cert.get(), TransportSecurityState::DISABLE_PIN_REPORTS,
|
| - &pinning_failure_log) ==
|
| - TransportSecurityState::PKPStatus::VIOLATED) {
|
| - return false;
|
| - }
|
| -
|
| - if (ssl_info.ct_cert_policy_compliance !=
|
| - ct::CertPolicyCompliance::CERT_POLICY_COMPLIES_VIA_SCTS &&
|
| - ssl_info.ct_cert_policy_compliance !=
|
| - ct::CertPolicyCompliance::CERT_POLICY_BUILD_NOT_TIMELY &&
|
| - transport_security_state->ShouldRequireCT(
|
| - new_hostname, ssl_info.cert.get(), ssl_info.public_key_hashes)) {
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -SpdySession::SpdySession(const SpdySessionKey& spdy_session_key,
|
| - HttpServerProperties* http_server_properties,
|
| - TransportSecurityState* transport_security_state,
|
| - bool enable_sending_initial_data,
|
| - bool enable_ping_based_connection_checking,
|
| - size_t session_max_recv_window_size,
|
| - const SettingsMap& initial_settings,
|
| - TimeFunc time_func,
|
| - ServerPushDelegate* push_delegate,
|
| - ProxyDelegate* proxy_delegate,
|
| - NetLog* net_log)
|
| - : in_io_loop_(false),
|
| - spdy_session_key_(spdy_session_key),
|
| - pool_(NULL),
|
| - http_server_properties_(http_server_properties),
|
| - transport_security_state_(transport_security_state),
|
| - stream_hi_water_mark_(kFirstStreamId),
|
| - last_accepted_push_stream_id_(0),
|
| - unclaimed_pushed_streams_(this),
|
| - push_delegate_(push_delegate),
|
| - num_pushed_streams_(0u),
|
| - num_active_pushed_streams_(0u),
|
| - bytes_pushed_count_(0u),
|
| - bytes_pushed_and_unclaimed_count_(0u),
|
| - in_flight_write_frame_type_(SpdyFrameType::DATA),
|
| - in_flight_write_frame_size_(0),
|
| - is_secure_(false),
|
| - availability_state_(STATE_AVAILABLE),
|
| - read_state_(READ_STATE_DO_READ),
|
| - write_state_(WRITE_STATE_IDLE),
|
| - error_on_close_(OK),
|
| - initial_settings_(initial_settings),
|
| - max_concurrent_streams_(kInitialMaxConcurrentStreams),
|
| - max_concurrent_pushed_streams_(
|
| - initial_settings.at(SETTINGS_MAX_CONCURRENT_STREAMS)),
|
| - streams_initiated_count_(0),
|
| - streams_pushed_count_(0),
|
| - streams_pushed_and_claimed_count_(0),
|
| - streams_abandoned_count_(0),
|
| - pings_in_flight_(0),
|
| - next_ping_id_(1),
|
| - last_activity_time_(time_func()),
|
| - last_compressed_frame_len_(0),
|
| - check_ping_status_pending_(false),
|
| - session_send_window_size_(0),
|
| - session_max_recv_window_size_(session_max_recv_window_size),
|
| - session_recv_window_size_(0),
|
| - session_unacked_recv_window_bytes_(0),
|
| - stream_initial_send_window_size_(kDefaultInitialWindowSize),
|
| - max_header_table_size_(initial_settings.at(SETTINGS_HEADER_TABLE_SIZE)),
|
| - stream_max_recv_window_size_(
|
| - initial_settings.at(SETTINGS_INITIAL_WINDOW_SIZE)),
|
| - net_log_(
|
| - NetLogWithSource::Make(net_log, NetLogSourceType::HTTP2_SESSION)),
|
| - enable_sending_initial_data_(enable_sending_initial_data),
|
| - enable_ping_based_connection_checking_(
|
| - enable_ping_based_connection_checking),
|
| - connection_at_risk_of_loss_time_(
|
| - base::TimeDelta::FromSeconds(kDefaultConnectionAtRiskOfLossSeconds)),
|
| - hung_interval_(base::TimeDelta::FromSeconds(kHungIntervalSeconds)),
|
| - proxy_delegate_(proxy_delegate),
|
| - time_func_(time_func),
|
| - weak_factory_(this) {
|
| - net_log_.BeginEvent(
|
| - NetLogEventType::HTTP2_SESSION,
|
| - base::Bind(&NetLogSpdySessionCallback, &host_port_proxy_pair()));
|
| - next_unclaimed_push_stream_sweep_time_ =
|
| - time_func_() +
|
| - base::TimeDelta::FromSeconds(kMinPushedStreamLifetimeSeconds);
|
| -
|
| - DCHECK(base::ContainsKey(initial_settings_, SETTINGS_HEADER_TABLE_SIZE));
|
| - DCHECK(base::ContainsKey(initial_settings_, SETTINGS_MAX_CONCURRENT_STREAMS));
|
| - DCHECK(base::ContainsKey(initial_settings_, SETTINGS_INITIAL_WINDOW_SIZE));
|
| -
|
| - // TODO(mbelshe): consider randomization of the stream_hi_water_mark.
|
| -}
|
| -
|
| -SpdySession::~SpdySession() {
|
| - CHECK(!in_io_loop_);
|
| - DcheckDraining();
|
| -
|
| - // TODO(akalin): Check connection->is_initialized() instead. This
|
| - // requires re-working CreateFakeSpdySession(), though.
|
| - DCHECK(connection_->socket());
|
| - // With SPDY we can't recycle sockets.
|
| - connection_->socket()->Disconnect();
|
| -
|
| - RecordHistograms();
|
| -
|
| - net_log_.EndEvent(NetLogEventType::HTTP2_SESSION);
|
| -}
|
| -
|
| -int SpdySession::GetPushStream(const GURL& url,
|
| - RequestPriority priority,
|
| - SpdyStream** stream,
|
| - const NetLogWithSource& stream_net_log) {
|
| - CHECK(!in_io_loop_);
|
| -
|
| - if (availability_state_ == STATE_DRAINING) {
|
| - *stream = nullptr;
|
| - return ERR_CONNECTION_CLOSED;
|
| - }
|
| -
|
| - *stream = GetActivePushStream(url);
|
| - if (*stream) {
|
| - DCHECK_LT(streams_pushed_and_claimed_count_, streams_pushed_count_);
|
| - streams_pushed_and_claimed_count_++;
|
| -
|
| - // If the stream is still open, update its priority to match
|
| - // the priority of the matching request.
|
| - if (!(*stream)->IsClosed() && (*stream)->priority() != priority) {
|
| - (*stream)->set_priority(priority);
|
| -
|
| - // Send PRIORITY updates.
|
| - auto updates = priority_dependency_state_.OnStreamUpdate(
|
| - (*stream)->stream_id(),
|
| - ConvertRequestPriorityToSpdyPriority(priority));
|
| - for (auto u : updates) {
|
| - ActiveStreamMap::iterator it = active_streams_.find(u.id);
|
| - DCHECK(it != active_streams_.end());
|
| - int weight = Spdy3PriorityToHttp2Weight(
|
| - ConvertRequestPriorityToSpdyPriority(it->second->priority()));
|
| - EnqueuePriorityFrame(u.id, u.dependent_stream_id, weight, u.exclusive);
|
| - }
|
| - }
|
| - }
|
| -
|
| - return OK;
|
| -}
|
| -
|
| -void SpdySession::CancelPush(const GURL& url) {
|
| - UnclaimedPushedStreamContainer::const_iterator unclaimed_it =
|
| - unclaimed_pushed_streams_.find(url);
|
| - if (unclaimed_it == unclaimed_pushed_streams_.end())
|
| - return;
|
| -
|
| - SpdyStreamId stream_id = unclaimed_it->second.stream_id;
|
| -
|
| - if (active_streams_.find(stream_id) == active_streams_.end()) {
|
| - ResetStream(stream_id, ERROR_CODE_CANCEL,
|
| - "Cancelled push stream with url: " + url.spec());
|
| - }
|
| - unclaimed_pushed_streams_.erase(unclaimed_it);
|
| -}
|
| -
|
| -void SpdySession::InitializeWithSocket(
|
| - std::unique_ptr<ClientSocketHandle> connection,
|
| - SpdySessionPool* pool,
|
| - bool is_secure) {
|
| - CHECK(!in_io_loop_);
|
| - DCHECK_EQ(availability_state_, STATE_AVAILABLE);
|
| - DCHECK_EQ(read_state_, READ_STATE_DO_READ);
|
| - DCHECK_EQ(write_state_, WRITE_STATE_IDLE);
|
| - DCHECK(!connection_);
|
| -
|
| - // TODO(akalin): Check connection->is_initialized() instead. This
|
| - // requires re-working CreateFakeSpdySession(), though.
|
| - DCHECK(connection->socket());
|
| -
|
| - connection_ = std::move(connection);
|
| - is_secure_ = is_secure;
|
| -
|
| - session_send_window_size_ = kDefaultInitialWindowSize;
|
| - session_recv_window_size_ = kDefaultInitialWindowSize;
|
| -
|
| - buffered_spdy_framer_.reset(new BufferedSpdyFramer());
|
| - buffered_spdy_framer_->set_visitor(this);
|
| - buffered_spdy_framer_->set_debug_visitor(this);
|
| - buffered_spdy_framer_->UpdateHeaderDecoderTableSize(max_header_table_size_);
|
| -
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_INITIALIZED,
|
| - base::Bind(&NetLogSpdyInitializedCallback,
|
| - connection_->socket()->NetLog().source()));
|
| -
|
| - DCHECK_EQ(availability_state_, STATE_AVAILABLE);
|
| - connection_->AddHigherLayeredPool(this);
|
| - if (enable_sending_initial_data_)
|
| - SendInitialData();
|
| - pool_ = pool;
|
| -
|
| - // Bootstrap the read loop.
|
| - base::ThreadTaskRunnerHandle::Get()->PostTask(
|
| - FROM_HERE,
|
| - base::Bind(&SpdySession::PumpReadLoop, weak_factory_.GetWeakPtr(),
|
| - READ_STATE_DO_READ, OK));
|
| -}
|
| -
|
| -bool SpdySession::VerifyDomainAuthentication(const SpdyString& domain) {
|
| - if (availability_state_ == STATE_DRAINING)
|
| - return false;
|
| -
|
| - SSLInfo ssl_info;
|
| - if (!GetSSLInfo(&ssl_info))
|
| - return true; // This is not a secure session, so all domains are okay.
|
| -
|
| - return CanPool(transport_security_state_, ssl_info, host_port_pair().host(),
|
| - domain);
|
| -}
|
| -
|
| -void SpdySession::EnqueueStreamWrite(
|
| - const base::WeakPtr<SpdyStream>& stream,
|
| - SpdyFrameType frame_type,
|
| - std::unique_ptr<SpdyBufferProducer> producer) {
|
| - DCHECK(frame_type == SpdyFrameType::HEADERS ||
|
| - frame_type == SpdyFrameType::DATA);
|
| - EnqueueWrite(stream->priority(), frame_type, std::move(producer), stream);
|
| -}
|
| -
|
| -std::unique_ptr<SpdySerializedFrame> SpdySession::CreateHeaders(
|
| - SpdyStreamId stream_id,
|
| - RequestPriority priority,
|
| - SpdyControlFlags flags,
|
| - SpdyHeaderBlock block,
|
| - NetLogSource source_dependency) {
|
| - ActiveStreamMap::const_iterator it = active_streams_.find(stream_id);
|
| - CHECK(it != active_streams_.end());
|
| - CHECK_EQ(it->second->stream_id(), stream_id);
|
| -
|
| - SendPrefacePingIfNoneInFlight();
|
| -
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - SpdyPriority spdy_priority = ConvertRequestPriorityToSpdyPriority(priority);
|
| -
|
| - std::unique_ptr<SpdySerializedFrame> syn_frame;
|
| - bool has_priority = true;
|
| - int weight = Spdy3PriorityToHttp2Weight(spdy_priority);
|
| - SpdyStreamId dependent_stream_id = 0;
|
| - bool exclusive = false;
|
| -
|
| - priority_dependency_state_.OnStreamCreation(stream_id, spdy_priority,
|
| - &dependent_stream_id, &exclusive);
|
| -
|
| - if (net_log().IsCapturing()) {
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_SEND_HEADERS,
|
| - base::Bind(&NetLogSpdyHeadersSentCallback, &block,
|
| - (flags & CONTROL_FLAG_FIN) != 0, stream_id, has_priority,
|
| - weight, dependent_stream_id, exclusive, source_dependency));
|
| - }
|
| -
|
| - SpdyHeadersIR headers(stream_id, std::move(block));
|
| - headers.set_has_priority(has_priority);
|
| - headers.set_weight(weight);
|
| - headers.set_parent_stream_id(dependent_stream_id);
|
| - headers.set_exclusive(exclusive);
|
| - headers.set_fin((flags & CONTROL_FLAG_FIN) != 0);
|
| - syn_frame.reset(
|
| - new SpdySerializedFrame(buffered_spdy_framer_->SerializeFrame(headers)));
|
| -
|
| - streams_initiated_count_++;
|
| -
|
| - return syn_frame;
|
| -}
|
| -
|
| -std::unique_ptr<SpdyBuffer> SpdySession::CreateDataBuffer(
|
| - SpdyStreamId stream_id,
|
| - IOBuffer* data,
|
| - int len,
|
| - SpdyDataFlags flags) {
|
| - if (availability_state_ == STATE_DRAINING) {
|
| - return std::unique_ptr<SpdyBuffer>();
|
| - }
|
| -
|
| - ActiveStreamMap::const_iterator it = active_streams_.find(stream_id);
|
| - CHECK(it != active_streams_.end());
|
| - SpdyStream* stream = it->second;
|
| - CHECK_EQ(stream->stream_id(), stream_id);
|
| -
|
| - if (len < 0) {
|
| - NOTREACHED();
|
| - return std::unique_ptr<SpdyBuffer>();
|
| - }
|
| -
|
| - int effective_len = std::min(len, kMaxSpdyFrameChunkSize);
|
| -
|
| - bool send_stalled_by_stream = (stream->send_window_size() <= 0);
|
| - bool send_stalled_by_session = IsSendStalled();
|
| -
|
| - // NOTE: There's an enum of the same name in histograms.xml.
|
| - enum SpdyFrameFlowControlState {
|
| - SEND_NOT_STALLED,
|
| - SEND_STALLED_BY_STREAM,
|
| - SEND_STALLED_BY_SESSION,
|
| - SEND_STALLED_BY_STREAM_AND_SESSION,
|
| - };
|
| -
|
| - SpdyFrameFlowControlState frame_flow_control_state = SEND_NOT_STALLED;
|
| - if (send_stalled_by_stream) {
|
| - if (send_stalled_by_session) {
|
| - frame_flow_control_state = SEND_STALLED_BY_STREAM_AND_SESSION;
|
| - } else {
|
| - frame_flow_control_state = SEND_STALLED_BY_STREAM;
|
| - }
|
| - } else if (send_stalled_by_session) {
|
| - frame_flow_control_state = SEND_STALLED_BY_SESSION;
|
| - }
|
| -
|
| - UMA_HISTOGRAM_ENUMERATION("Net.SpdyFrameStreamAndSessionFlowControlState",
|
| - frame_flow_control_state,
|
| - SEND_STALLED_BY_STREAM_AND_SESSION + 1);
|
| -
|
| - // Obey send window size of the stream.
|
| - if (send_stalled_by_stream) {
|
| - stream->set_send_stalled_by_flow_control(true);
|
| - // Even though we're currently stalled only by the stream, we
|
| - // might end up being stalled by the session also.
|
| - QueueSendStalledStream(*stream);
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_STREAM_STALLED_BY_STREAM_SEND_WINDOW,
|
| - NetLog::IntCallback("stream_id", stream_id));
|
| - return std::unique_ptr<SpdyBuffer>();
|
| - }
|
| -
|
| - effective_len = std::min(effective_len, stream->send_window_size());
|
| -
|
| - // Obey send window size of the session.
|
| - if (send_stalled_by_session) {
|
| - stream->set_send_stalled_by_flow_control(true);
|
| - QueueSendStalledStream(*stream);
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_STREAM_STALLED_BY_SESSION_SEND_WINDOW,
|
| - NetLog::IntCallback("stream_id", stream_id));
|
| - return std::unique_ptr<SpdyBuffer>();
|
| - }
|
| -
|
| - effective_len = std::min(effective_len, session_send_window_size_);
|
| -
|
| - DCHECK_GE(effective_len, 0);
|
| -
|
| - // Clear FIN flag if only some of the data will be in the data
|
| - // frame.
|
| - if (effective_len < len)
|
| - flags = static_cast<SpdyDataFlags>(flags & ~DATA_FLAG_FIN);
|
| -
|
| - if (net_log().IsCapturing()) {
|
| - net_log().AddEvent(NetLogEventType::HTTP2_SESSION_SEND_DATA,
|
| - base::Bind(&NetLogSpdyDataCallback, stream_id,
|
| - effective_len, (flags & DATA_FLAG_FIN) != 0));
|
| - }
|
| -
|
| - // Send PrefacePing for DATA_FRAMEs with nonzero payload size.
|
| - if (effective_len > 0)
|
| - SendPrefacePingIfNoneInFlight();
|
| -
|
| - // TODO(mbelshe): reduce memory copies here.
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - std::unique_ptr<SpdySerializedFrame> frame(
|
| - buffered_spdy_framer_->CreateDataFrame(
|
| - stream_id, data->data(), static_cast<uint32_t>(effective_len),
|
| - flags));
|
| -
|
| - std::unique_ptr<SpdyBuffer> data_buffer(new SpdyBuffer(std::move(frame)));
|
| -
|
| - // Send window size is based on payload size, so nothing to do if this is
|
| - // just a FIN with no payload.
|
| - if (effective_len != 0) {
|
| - DecreaseSendWindowSize(static_cast<int32_t>(effective_len));
|
| - data_buffer->AddConsumeCallback(base::Bind(
|
| - &SpdySession::OnWriteBufferConsumed, weak_factory_.GetWeakPtr(),
|
| - static_cast<size_t>(effective_len)));
|
| - }
|
| -
|
| - return data_buffer;
|
| -}
|
| -
|
| -void SpdySession::CloseActiveStream(SpdyStreamId stream_id, int status) {
|
| - DCHECK_NE(stream_id, 0u);
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - if (it == active_streams_.end()) {
|
| - NOTREACHED();
|
| - return;
|
| - }
|
| -
|
| - CloseActiveStreamIterator(it, status);
|
| -}
|
| -
|
| -void SpdySession::CloseCreatedStream(const base::WeakPtr<SpdyStream>& stream,
|
| - int status) {
|
| - DCHECK_EQ(stream->stream_id(), 0u);
|
| -
|
| - CreatedStreamSet::iterator it = created_streams_.find(stream.get());
|
| - if (it == created_streams_.end()) {
|
| - NOTREACHED();
|
| - return;
|
| - }
|
| -
|
| - CloseCreatedStreamIterator(it, status);
|
| -}
|
| -
|
| -void SpdySession::ResetStream(SpdyStreamId stream_id,
|
| - SpdyErrorCode error_code,
|
| - const SpdyString& description) {
|
| - DCHECK_NE(stream_id, 0u);
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - if (it == active_streams_.end()) {
|
| - NOTREACHED();
|
| - return;
|
| - }
|
| -
|
| - ResetStreamIterator(it, error_code, description);
|
| -}
|
| -
|
| -bool SpdySession::IsStreamActive(SpdyStreamId stream_id) const {
|
| - return base::ContainsKey(active_streams_, stream_id);
|
| -}
|
| -
|
| -LoadState SpdySession::GetLoadState() const {
|
| - // Just report that we're idle since the session could be doing
|
| - // many things concurrently.
|
| - return LOAD_STATE_IDLE;
|
| -}
|
| -
|
| -url::SchemeHostPort SpdySession::GetServer() {
|
| - return url::SchemeHostPort(is_secure_ ? "https" : "http",
|
| - host_port_pair().host(), host_port_pair().port());
|
| -}
|
| -
|
| -bool SpdySession::GetRemoteEndpoint(IPEndPoint* endpoint) {
|
| - return GetPeerAddress(endpoint) == OK;
|
| -}
|
| -
|
| -bool SpdySession::GetSSLInfo(SSLInfo* ssl_info) const {
|
| - return connection_->socket()->GetSSLInfo(ssl_info);
|
| -}
|
| -
|
| -Error SpdySession::GetTokenBindingSignature(crypto::ECPrivateKey* key,
|
| - TokenBindingType tb_type,
|
| - std::vector<uint8_t>* out) {
|
| - if (!is_secure_) {
|
| - NOTREACHED();
|
| - return ERR_FAILED;
|
| - }
|
| - SSLClientSocket* ssl_socket =
|
| - static_cast<SSLClientSocket*>(connection_->socket());
|
| - return ssl_socket->GetTokenBindingSignature(key, tb_type, out);
|
| -}
|
| -
|
| -bool SpdySession::WasAlpnNegotiated() const {
|
| - return connection_->socket()->WasAlpnNegotiated();
|
| -}
|
| -
|
| -NextProto SpdySession::GetNegotiatedProtocol() const {
|
| - return connection_->socket()->GetNegotiatedProtocol();
|
| -}
|
| -
|
| -void SpdySession::SendStreamWindowUpdate(SpdyStreamId stream_id,
|
| - uint32_t delta_window_size) {
|
| - ActiveStreamMap::const_iterator it = active_streams_.find(stream_id);
|
| - CHECK(it != active_streams_.end());
|
| - CHECK_EQ(it->second->stream_id(), stream_id);
|
| - SendWindowUpdateFrame(stream_id, delta_window_size, it->second->priority());
|
| -}
|
| -
|
| -void SpdySession::CloseSessionOnError(Error err,
|
| - const SpdyString& description) {
|
| - DCHECK_LT(err, ERR_IO_PENDING);
|
| - DoDrainSession(err, description);
|
| -}
|
| -
|
| -void SpdySession::MakeUnavailable() {
|
| - if (availability_state_ == STATE_AVAILABLE) {
|
| - availability_state_ = STATE_GOING_AWAY;
|
| - pool_->MakeSessionUnavailable(GetWeakPtr());
|
| - }
|
| -}
|
| -
|
| -void SpdySession::StartGoingAway(SpdyStreamId last_good_stream_id,
|
| - Error status) {
|
| - DCHECK_GE(availability_state_, STATE_GOING_AWAY);
|
| -
|
| - // The loops below are carefully written to avoid reentrancy problems.
|
| -
|
| - while (true) {
|
| - size_t old_size = GetTotalSize(pending_create_stream_queues_);
|
| - base::WeakPtr<SpdyStreamRequest> pending_request =
|
| - GetNextPendingStreamRequest();
|
| - if (!pending_request)
|
| - break;
|
| - // No new stream requests should be added while the session is
|
| - // going away.
|
| - DCHECK_GT(old_size, GetTotalSize(pending_create_stream_queues_));
|
| - pending_request->OnRequestCompleteFailure(ERR_ABORTED);
|
| - }
|
| -
|
| - while (true) {
|
| - size_t old_size = active_streams_.size();
|
| - ActiveStreamMap::iterator it =
|
| - active_streams_.lower_bound(last_good_stream_id + 1);
|
| - if (it == active_streams_.end())
|
| - break;
|
| - LogAbandonedActiveStream(it, status);
|
| - CloseActiveStreamIterator(it, status);
|
| - // No new streams should be activated while the session is going
|
| - // away.
|
| - DCHECK_GT(old_size, active_streams_.size());
|
| - }
|
| -
|
| - while (!created_streams_.empty()) {
|
| - size_t old_size = created_streams_.size();
|
| - CreatedStreamSet::iterator it = created_streams_.begin();
|
| - LogAbandonedStream(*it, status);
|
| - CloseCreatedStreamIterator(it, status);
|
| - // No new streams should be created while the session is going
|
| - // away.
|
| - DCHECK_GT(old_size, created_streams_.size());
|
| - }
|
| -
|
| - write_queue_.RemovePendingWritesForStreamsAfter(last_good_stream_id);
|
| -
|
| - DcheckGoingAway();
|
| - MaybeFinishGoingAway();
|
| -}
|
| -
|
| -void SpdySession::MaybeFinishGoingAway() {
|
| - if (active_streams_.empty() && created_streams_.empty() &&
|
| - availability_state_ == STATE_GOING_AWAY) {
|
| - DoDrainSession(OK, "Finished going away");
|
| - }
|
| -}
|
| -
|
| -std::unique_ptr<base::Value> SpdySession::GetInfoAsValue() const {
|
| - std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
|
| -
|
| - dict->SetInteger("source_id", net_log_.source().id);
|
| -
|
| - dict->SetString("host_port_pair", host_port_pair().ToString());
|
| - if (!pooled_aliases_.empty()) {
|
| - std::unique_ptr<base::ListValue> alias_list(new base::ListValue());
|
| - for (const auto& alias : pooled_aliases_) {
|
| - alias_list->AppendString(alias.host_port_pair().ToString());
|
| - }
|
| - dict->Set("aliases", std::move(alias_list));
|
| - }
|
| - dict->SetString("proxy", host_port_proxy_pair().second.ToURI());
|
| -
|
| - dict->SetInteger("active_streams", active_streams_.size());
|
| -
|
| - dict->SetInteger("unclaimed_pushed_streams",
|
| - unclaimed_pushed_streams_.size());
|
| -
|
| - dict->SetBoolean("is_secure", is_secure_);
|
| -
|
| - dict->SetString(
|
| - "negotiated_protocol",
|
| - NextProtoToString(connection_->socket()->GetNegotiatedProtocol()));
|
| -
|
| - dict->SetInteger("error", error_on_close_);
|
| - dict->SetInteger("max_concurrent_streams", max_concurrent_streams_);
|
| -
|
| - dict->SetInteger("streams_initiated_count", streams_initiated_count_);
|
| - dict->SetInteger("streams_pushed_count", streams_pushed_count_);
|
| - dict->SetInteger("streams_pushed_and_claimed_count",
|
| - streams_pushed_and_claimed_count_);
|
| - dict->SetInteger("streams_abandoned_count", streams_abandoned_count_);
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - dict->SetInteger("frames_received", buffered_spdy_framer_->frames_received());
|
| -
|
| - dict->SetInteger("send_window_size", session_send_window_size_);
|
| - dict->SetInteger("recv_window_size", session_recv_window_size_);
|
| - dict->SetInteger("unacked_recv_window_bytes",
|
| - session_unacked_recv_window_bytes_);
|
| - return std::move(dict);
|
| -}
|
| -
|
| -bool SpdySession::IsReused() const {
|
| - return buffered_spdy_framer_->frames_received() > 0 ||
|
| - connection_->reuse_type() == ClientSocketHandle::UNUSED_IDLE;
|
| -}
|
| -
|
| -bool SpdySession::GetLoadTimingInfo(SpdyStreamId stream_id,
|
| - LoadTimingInfo* load_timing_info) const {
|
| - return connection_->GetLoadTimingInfo(stream_id != kFirstStreamId,
|
| - load_timing_info);
|
| -}
|
| -
|
| -size_t SpdySession::num_unclaimed_pushed_streams() const {
|
| - return unclaimed_pushed_streams_.size();
|
| -}
|
| -
|
| -size_t SpdySession::count_unclaimed_pushed_streams_for_url(
|
| - const GURL& url) const {
|
| - return unclaimed_pushed_streams_.count(url);
|
| -}
|
| -
|
| -int SpdySession::GetPeerAddress(IPEndPoint* address) const {
|
| - if (connection_->socket())
|
| - return connection_->socket()->GetPeerAddress(address);
|
| -
|
| - return ERR_SOCKET_NOT_CONNECTED;
|
| -}
|
| -
|
| -int SpdySession::GetLocalAddress(IPEndPoint* address) const {
|
| - if (connection_->socket())
|
| - return connection_->socket()->GetLocalAddress(address);
|
| -
|
| - return ERR_SOCKET_NOT_CONNECTED;
|
| -}
|
| -
|
| -void SpdySession::AddPooledAlias(const SpdySessionKey& alias_key) {
|
| - pooled_aliases_.insert(alias_key);
|
| -}
|
| -
|
| -void SpdySession::RemovePooledAlias(const SpdySessionKey& alias_key) {
|
| - pooled_aliases_.erase(alias_key);
|
| -}
|
| -
|
| -bool SpdySession::HasAcceptableTransportSecurity() const {
|
| - // If we're not even using TLS, we have no standards to meet.
|
| - if (!is_secure_) {
|
| - return true;
|
| - }
|
| -
|
| - SSLInfo ssl_info;
|
| - CHECK(GetSSLInfo(&ssl_info));
|
| -
|
| - // HTTP/2 requires TLS 1.2+
|
| - if (SSLConnectionStatusToVersion(ssl_info.connection_status) <
|
| - SSL_CONNECTION_VERSION_TLS1_2) {
|
| - return false;
|
| - }
|
| -
|
| - if (!IsTLSCipherSuiteAllowedByHTTP2(
|
| - SSLConnectionStatusToCipherSuite(ssl_info.connection_status))) {
|
| - return false;
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -base::WeakPtr<SpdySession> SpdySession::GetWeakPtr() {
|
| - return weak_factory_.GetWeakPtr();
|
| -}
|
| -
|
| -bool SpdySession::CloseOneIdleConnection() {
|
| - CHECK(!in_io_loop_);
|
| - DCHECK(pool_);
|
| - if (active_streams_.empty()) {
|
| - DoDrainSession(ERR_CONNECTION_CLOSED, "Closing idle connection.");
|
| - }
|
| - // Return false as the socket wasn't immediately closed.
|
| - return false;
|
| -}
|
| -
|
| -size_t SpdySession::DumpMemoryStats(StreamSocket::SocketMemoryStats* stats,
|
| - bool* is_session_active) const {
|
| - // TODO(xunjieli): Include |pending_create_stream_queues_| when WeakPtr is
|
| - // supported in memory_usage_estimator.h.
|
| - *is_session_active = is_active();
|
| - connection_->DumpMemoryStats(stats);
|
| -
|
| - // |connection_| is estimated in stats->total_size. |read_buffer_| is
|
| - // estimated in |read_buffer_size|. TODO(xunjieli): Make them use EMU().
|
| - size_t read_buffer_size = read_buffer_ ? kReadBufferSize : 0;
|
| - return stats->total_size + read_buffer_size +
|
| - SpdyEstimateMemoryUsage(spdy_session_key_) +
|
| - SpdyEstimateMemoryUsage(pooled_aliases_) +
|
| - SpdyEstimateMemoryUsage(active_streams_) +
|
| - SpdyEstimateMemoryUsage(unclaimed_pushed_streams_) +
|
| - SpdyEstimateMemoryUsage(created_streams_) +
|
| - SpdyEstimateMemoryUsage(write_queue_) +
|
| - SpdyEstimateMemoryUsage(in_flight_write_) +
|
| - SpdyEstimateMemoryUsage(buffered_spdy_framer_) +
|
| - SpdyEstimateMemoryUsage(initial_settings_) +
|
| - SpdyEstimateMemoryUsage(stream_send_unstall_queue_) +
|
| - SpdyEstimateMemoryUsage(priority_dependency_state_);
|
| -}
|
| -
|
| -// {,Try}CreateStream() can be called with |in_io_loop_| set if a stream is
|
| -// being created in response to another being closed due to received data.
|
| -
|
| -int SpdySession::TryCreateStream(
|
| - const base::WeakPtr<SpdyStreamRequest>& request,
|
| - base::WeakPtr<SpdyStream>* stream) {
|
| - DCHECK(request);
|
| -
|
| - if (availability_state_ == STATE_GOING_AWAY)
|
| - return ERR_FAILED;
|
| -
|
| - if (availability_state_ == STATE_DRAINING)
|
| - return ERR_CONNECTION_CLOSED;
|
| -
|
| - if ((active_streams_.size() + created_streams_.size() - num_pushed_streams_ <
|
| - max_concurrent_streams_)) {
|
| - return CreateStream(*request, stream);
|
| - }
|
| -
|
| - if (net_log().IsCapturing()) {
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_STALLED_MAX_STREAMS,
|
| - base::Bind(&NetLogSpdySessionStalledCallback, active_streams_.size(),
|
| - created_streams_.size(), num_pushed_streams_,
|
| - max_concurrent_streams_, request->url().spec()));
|
| - }
|
| - RequestPriority priority = request->priority();
|
| - CHECK_GE(priority, MINIMUM_PRIORITY);
|
| - CHECK_LE(priority, MAXIMUM_PRIORITY);
|
| - pending_create_stream_queues_[priority].push_back(request);
|
| - return ERR_IO_PENDING;
|
| -}
|
| -
|
| -int SpdySession::CreateStream(const SpdyStreamRequest& request,
|
| - base::WeakPtr<SpdyStream>* stream) {
|
| - DCHECK_GE(request.priority(), MINIMUM_PRIORITY);
|
| - DCHECK_LE(request.priority(), MAXIMUM_PRIORITY);
|
| -
|
| - if (availability_state_ == STATE_GOING_AWAY)
|
| - return ERR_FAILED;
|
| -
|
| - if (availability_state_ == STATE_DRAINING)
|
| - return ERR_CONNECTION_CLOSED;
|
| -
|
| - DCHECK(connection_->socket());
|
| - UMA_HISTOGRAM_BOOLEAN("Net.SpdySession.CreateStreamWithSocketConnected",
|
| - connection_->socket()->IsConnected());
|
| - if (!connection_->socket()->IsConnected()) {
|
| - DoDrainSession(
|
| - ERR_CONNECTION_CLOSED,
|
| - "Tried to create SPDY stream for a closed socket connection.");
|
| - return ERR_CONNECTION_CLOSED;
|
| - }
|
| -
|
| - std::unique_ptr<SpdyStream> new_stream(
|
| - new SpdyStream(request.type(), GetWeakPtr(), request.url(),
|
| - request.priority(), stream_initial_send_window_size_,
|
| - stream_max_recv_window_size_, request.net_log()));
|
| - *stream = new_stream->GetWeakPtr();
|
| - InsertCreatedStream(std::move(new_stream));
|
| -
|
| - return OK;
|
| -}
|
| -
|
| -void SpdySession::CancelStreamRequest(
|
| - const base::WeakPtr<SpdyStreamRequest>& request) {
|
| - DCHECK(request);
|
| - RequestPriority priority = request->priority();
|
| - CHECK_GE(priority, MINIMUM_PRIORITY);
|
| - CHECK_LE(priority, MAXIMUM_PRIORITY);
|
| -
|
| -#if DCHECK_IS_ON()
|
| - // |request| should not be in a queue not matching its priority.
|
| - for (int i = MINIMUM_PRIORITY; i <= MAXIMUM_PRIORITY; ++i) {
|
| - if (priority == i)
|
| - continue;
|
| - PendingStreamRequestQueue* queue = &pending_create_stream_queues_[i];
|
| - DCHECK(std::find_if(queue->begin(), queue->end(), RequestEquals(request)) ==
|
| - queue->end());
|
| - }
|
| -#endif
|
| -
|
| - PendingStreamRequestQueue* queue = &pending_create_stream_queues_[priority];
|
| - // Remove |request| from |queue| while preserving the order of the
|
| - // other elements.
|
| - PendingStreamRequestQueue::iterator it =
|
| - std::find_if(queue->begin(), queue->end(), RequestEquals(request));
|
| - // The request may already be removed if there's a
|
| - // CompleteStreamRequest() in flight.
|
| - if (it != queue->end()) {
|
| - it = queue->erase(it);
|
| - // |request| should be in the queue at most once, and if it is
|
| - // present, should not be pending completion.
|
| - DCHECK(std::find_if(it, queue->end(), RequestEquals(request)) ==
|
| - queue->end());
|
| - }
|
| -}
|
| -
|
| -base::WeakPtr<SpdyStreamRequest> SpdySession::GetNextPendingStreamRequest() {
|
| - for (int j = MAXIMUM_PRIORITY; j >= MINIMUM_PRIORITY; --j) {
|
| - if (pending_create_stream_queues_[j].empty())
|
| - continue;
|
| -
|
| - base::WeakPtr<SpdyStreamRequest> pending_request =
|
| - pending_create_stream_queues_[j].front();
|
| - DCHECK(pending_request);
|
| - pending_create_stream_queues_[j].pop_front();
|
| - return pending_request;
|
| - }
|
| - return base::WeakPtr<SpdyStreamRequest>();
|
| -}
|
| -
|
| -void SpdySession::ProcessPendingStreamRequests() {
|
| - size_t max_requests_to_process =
|
| - max_concurrent_streams_ -
|
| - (active_streams_.size() + created_streams_.size());
|
| - for (size_t i = 0; i < max_requests_to_process; ++i) {
|
| - base::WeakPtr<SpdyStreamRequest> pending_request =
|
| - GetNextPendingStreamRequest();
|
| - if (!pending_request)
|
| - break;
|
| -
|
| - // Note that this post can race with other stream creations, and it's
|
| - // possible that the un-stalled stream will be stalled again if it loses.
|
| - // TODO(jgraettinger): Provide stronger ordering guarantees.
|
| - base::ThreadTaskRunnerHandle::Get()->PostTask(
|
| - FROM_HERE, base::Bind(&SpdySession::CompleteStreamRequest,
|
| - weak_factory_.GetWeakPtr(), pending_request));
|
| - }
|
| -}
|
| -
|
| -void SpdySession::TryCreatePushStream(SpdyStreamId stream_id,
|
| - SpdyStreamId associated_stream_id,
|
| - SpdyHeaderBlock headers) {
|
| - // Server-initiated streams should have even sequence numbers.
|
| - if ((stream_id & 0x1) != 0) {
|
| - LOG(WARNING) << "Received invalid push stream id " << stream_id;
|
| - CloseSessionOnError(ERR_SPDY_PROTOCOL_ERROR, "Odd push stream id.");
|
| - return;
|
| - }
|
| -
|
| - // Server-initiated streams must be associated with client-initiated streams.
|
| - if ((associated_stream_id & 0x1) != 1) {
|
| - LOG(WARNING) << "Received push stream id " << stream_id
|
| - << " with invalid associated stream id";
|
| - CloseSessionOnError(ERR_SPDY_PROTOCOL_ERROR, "Push on even stream id.");
|
| - return;
|
| - }
|
| -
|
| - if (stream_id <= last_accepted_push_stream_id_) {
|
| - LOG(WARNING) << "Received push stream id " << stream_id
|
| - << " lesser or equal to the last accepted before";
|
| - CloseSessionOnError(
|
| - ERR_SPDY_PROTOCOL_ERROR,
|
| - "New push stream id must be greater than the last accepted.");
|
| - return;
|
| - }
|
| -
|
| - if (IsStreamActive(stream_id)) {
|
| - // We should not get here, we'll start going away earlier on
|
| - // |last_seen_push_stream_id_| check.
|
| - LOG(WARNING) << "Received push for active stream " << stream_id;
|
| - return;
|
| - }
|
| -
|
| - last_accepted_push_stream_id_ = stream_id;
|
| -
|
| - // Pushed streams are speculative, so they start at an IDLE priority.
|
| - const RequestPriority request_priority = IDLE;
|
| -
|
| - if (availability_state_ == STATE_GOING_AWAY) {
|
| - // TODO(akalin): This behavior isn't in the SPDY spec, although it
|
| - // probably should be.
|
| - EnqueueResetStreamFrame(stream_id, request_priority,
|
| - ERROR_CODE_REFUSED_STREAM,
|
| - "push stream request received when going away");
|
| - return;
|
| - }
|
| -
|
| - if (associated_stream_id == 0) {
|
| - // In HTTP/2 0 stream id in PUSH_PROMISE frame leads to framer error and
|
| - // session going away. We should never get here.
|
| - SpdyString description = SpdyStringPrintf(
|
| - "Received invalid associated stream id %d for pushed stream %d",
|
| - associated_stream_id, stream_id);
|
| - EnqueueResetStreamFrame(stream_id, request_priority,
|
| - ERROR_CODE_REFUSED_STREAM, description);
|
| - return;
|
| - }
|
| -
|
| - streams_pushed_count_++;
|
| -
|
| - // TODO(mbelshe): DCHECK that this is a GET method?
|
| -
|
| - // Verify that the response had a URL for us.
|
| - GURL gurl = GetUrlFromHeaderBlock(headers);
|
| - if (!gurl.is_valid()) {
|
| - EnqueueResetStreamFrame(
|
| - stream_id, request_priority, ERROR_CODE_PROTOCOL_ERROR,
|
| - "Pushed stream url was invalid: " + gurl.possibly_invalid_spec());
|
| - return;
|
| - }
|
| -
|
| - // Verify we have a valid stream association.
|
| - ActiveStreamMap::iterator associated_it =
|
| - active_streams_.find(associated_stream_id);
|
| - if (associated_it == active_streams_.end()) {
|
| - EnqueueResetStreamFrame(
|
| - stream_id, request_priority, ERROR_CODE_STREAM_CLOSED,
|
| - SpdyStringPrintf("Received push for inactive associated stream %d",
|
| - associated_stream_id));
|
| - return;
|
| - }
|
| -
|
| - DCHECK(gurl.is_valid());
|
| -
|
| - // Check that the pushed stream advertises the same origin as its associated
|
| - // stream. Bypass this check if and only if this session is with a SPDY proxy
|
| - // that is trusted explicitly as determined by the |proxy_delegate_| or if the
|
| - // proxy is pushing same-origin resources.
|
| - if (!HostPortPair::FromURL(gurl).Equals(host_port_pair())) {
|
| - if (proxy_delegate_ &&
|
| - proxy_delegate_->IsTrustedSpdyProxy(
|
| - ProxyServer(ProxyServer::SCHEME_HTTPS, host_port_pair()))) {
|
| - // Disallow pushing of HTTPS content.
|
| - if (gurl.SchemeIs("https")) {
|
| - EnqueueResetStreamFrame(
|
| - stream_id, request_priority, ERROR_CODE_REFUSED_STREAM,
|
| - SpdyStringPrintf("Rejected push of cross origin HTTPS content %d "
|
| - "from trusted proxy",
|
| - associated_stream_id));
|
| - return;
|
| - }
|
| - } else {
|
| - GURL associated_url(associated_it->second->GetUrlFromHeaders());
|
| - if (associated_url.SchemeIs("https")) {
|
| - SSLInfo ssl_info;
|
| - CHECK(GetSSLInfo(&ssl_info));
|
| - if (!gurl.SchemeIs("https") ||
|
| - !CanPool(transport_security_state_, ssl_info, associated_url.host(),
|
| - gurl.host())) {
|
| - EnqueueResetStreamFrame(
|
| - stream_id, request_priority, ERROR_CODE_REFUSED_STREAM,
|
| - SpdyStringPrintf("Rejected push stream %d on secure connection",
|
| - associated_stream_id));
|
| - return;
|
| - }
|
| - } else {
|
| - // TODO(bnc): Change SpdyNetworkTransactionTests to use secure sockets.
|
| - if (associated_url.GetOrigin() != gurl.GetOrigin()) {
|
| - EnqueueResetStreamFrame(
|
| - stream_id, request_priority, ERROR_CODE_REFUSED_STREAM,
|
| - SpdyStringPrintf(
|
| - "Rejected cross origin push stream %d on insecure connection",
|
| - associated_stream_id));
|
| - return;
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - // There should not be an existing pushed stream with the same path.
|
| - UnclaimedPushedStreamContainer::const_iterator pushed_it =
|
| - unclaimed_pushed_streams_.lower_bound(gurl);
|
| - if (pushed_it != unclaimed_pushed_streams_.end() &&
|
| - pushed_it->first == gurl) {
|
| - EnqueueResetStreamFrame(
|
| - stream_id, request_priority, ERROR_CODE_PROTOCOL_ERROR,
|
| - "Received duplicate pushed stream with url: " + gurl.spec());
|
| - return;
|
| - }
|
| -
|
| - std::unique_ptr<SpdyStream> stream(
|
| - new SpdyStream(SPDY_PUSH_STREAM, GetWeakPtr(), gurl, request_priority,
|
| - stream_initial_send_window_size_,
|
| - stream_max_recv_window_size_, net_log_));
|
| - stream->set_stream_id(stream_id);
|
| -
|
| - // Convert RequestPriority to a SpdyPriority to send in a PRIORITY frame.
|
| - SpdyPriority spdy_priority =
|
| - ConvertRequestPriorityToSpdyPriority(request_priority);
|
| - SpdyStreamId dependency_id = 0;
|
| - bool exclusive = false;
|
| - priority_dependency_state_.OnStreamCreation(stream_id, spdy_priority,
|
| - &dependency_id, &exclusive);
|
| - EnqueuePriorityFrame(stream_id, dependency_id,
|
| - Spdy3PriorityToHttp2Weight(spdy_priority), exclusive);
|
| -
|
| - // PUSH_PROMISE arrives on associated stream.
|
| - associated_it->second->AddRawReceivedBytes(last_compressed_frame_len_);
|
| - last_compressed_frame_len_ = 0;
|
| -
|
| - UnclaimedPushedStreamContainer::const_iterator inserted_pushed_it =
|
| - unclaimed_pushed_streams_.insert(pushed_it, gurl, stream_id,
|
| - time_func_());
|
| - DCHECK(inserted_pushed_it != pushed_it);
|
| - DeleteExpiredPushedStreams();
|
| -
|
| - InsertActivatedStream(std::move(stream));
|
| -
|
| - ActiveStreamMap::iterator active_it = active_streams_.find(stream_id);
|
| - if (active_it == active_streams_.end()) {
|
| - NOTREACHED();
|
| - return;
|
| - }
|
| -
|
| - // Notify the push_delegate that a push promise has been received.
|
| - if (push_delegate_) {
|
| - push_delegate_->OnPush(base::MakeUnique<SpdyServerPushHelper>(
|
| - weak_factory_.GetWeakPtr(), gurl),
|
| - net_log_);
|
| - }
|
| -
|
| - active_it->second->OnPushPromiseHeadersReceived(std::move(headers));
|
| - DCHECK(active_it->second->IsReservedRemote());
|
| - num_pushed_streams_++;
|
| - return;
|
| -}
|
| -
|
| -void SpdySession::CloseActiveStreamIterator(ActiveStreamMap::iterator it,
|
| - int status) {
|
| - // TODO(mbelshe): We should send a RST_STREAM control frame here
|
| - // so that the server can cancel a large send.
|
| -
|
| - std::unique_ptr<SpdyStream> owned_stream(it->second);
|
| - active_streams_.erase(it);
|
| - priority_dependency_state_.OnStreamDestruction(owned_stream->stream_id());
|
| -
|
| - // TODO(akalin): When SpdyStream was ref-counted (and
|
| - // |unclaimed_pushed_streams_| held scoped_refptr<SpdyStream>), this
|
| - // was only done when status was not OK. This meant that pushed
|
| - // streams can still be claimed after they're closed. This is
|
| - // probably something that we still want to support, although server
|
| - // push is hardly used. Write tests for this and fix this. (See
|
| - // http://crbug.com/261712 .)
|
| - if (owned_stream->type() == SPDY_PUSH_STREAM) {
|
| - unclaimed_pushed_streams_.erase(owned_stream->url());
|
| - bytes_pushed_count_ += owned_stream->recv_bytes();
|
| - num_pushed_streams_--;
|
| - if (!owned_stream->IsReservedRemote())
|
| - num_active_pushed_streams_--;
|
| - }
|
| -
|
| - DeleteStream(std::move(owned_stream), status);
|
| -
|
| - // If there are no active streams and the socket pool is stalled, close the
|
| - // session to free up a socket slot.
|
| - if (active_streams_.empty() && created_streams_.empty() &&
|
| - connection_->IsPoolStalled()) {
|
| - DoDrainSession(ERR_CONNECTION_CLOSED, "Closing idle connection.");
|
| - }
|
| -}
|
| -
|
| -void SpdySession::CloseCreatedStreamIterator(CreatedStreamSet::iterator it,
|
| - int status) {
|
| - std::unique_ptr<SpdyStream> owned_stream(*it);
|
| - created_streams_.erase(it);
|
| - DeleteStream(std::move(owned_stream), status);
|
| -}
|
| -
|
| -void SpdySession::ResetStreamIterator(ActiveStreamMap::iterator it,
|
| - SpdyErrorCode error_code,
|
| - const SpdyString& description) {
|
| - // Send the RST_STREAM frame first as CloseActiveStreamIterator()
|
| - // may close us.
|
| - SpdyStreamId stream_id = it->first;
|
| - RequestPriority priority = it->second->priority();
|
| - EnqueueResetStreamFrame(stream_id, priority, error_code, description);
|
| -
|
| - // Removes any pending writes for the stream except for possibly an
|
| - // in-flight one.
|
| - CloseActiveStreamIterator(it, ERR_SPDY_PROTOCOL_ERROR);
|
| -}
|
| -
|
| -void SpdySession::EnqueueResetStreamFrame(SpdyStreamId stream_id,
|
| - RequestPriority priority,
|
| - SpdyErrorCode error_code,
|
| - const SpdyString& description) {
|
| - DCHECK_NE(stream_id, 0u);
|
| -
|
| - net_log().AddEvent(NetLogEventType::HTTP2_SESSION_SEND_RST_STREAM,
|
| - base::Bind(&NetLogSpdySendRstStreamCallback, stream_id,
|
| - error_code, &description));
|
| -
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - std::unique_ptr<SpdySerializedFrame> rst_frame(
|
| - buffered_spdy_framer_->CreateRstStream(stream_id, error_code));
|
| -
|
| - EnqueueSessionWrite(priority, SpdyFrameType::RST_STREAM,
|
| - std::move(rst_frame));
|
| - RecordProtocolErrorHistogram(MapRstStreamStatusToProtocolError(error_code));
|
| -}
|
| -
|
| -void SpdySession::EnqueuePriorityFrame(SpdyStreamId stream_id,
|
| - SpdyStreamId dependency_id,
|
| - int weight,
|
| - bool exclusive) {
|
| - net_log().AddEvent(NetLogEventType::HTTP2_STREAM_SEND_PRIORITY,
|
| - base::Bind(&NetLogSpdyPriorityCallback, stream_id,
|
| - dependency_id, weight, exclusive));
|
| -
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - std::unique_ptr<SpdySerializedFrame> frame(
|
| - buffered_spdy_framer_->CreatePriority(stream_id, dependency_id, weight,
|
| - exclusive));
|
| -
|
| - // PRIORITY frames describe sequenced updates to the tree, so they must
|
| - // be serialized. We do this by queueing all PRIORITY frames at HIGHEST
|
| - // priority.
|
| - EnqueueWrite(HIGHEST, SpdyFrameType::PRIORITY,
|
| - base::MakeUnique<SimpleBufferProducer>(
|
| - base::MakeUnique<SpdyBuffer>(std::move(frame))),
|
| - base::WeakPtr<SpdyStream>());
|
| -}
|
| -
|
| -void SpdySession::PumpReadLoop(ReadState expected_read_state, int result) {
|
| - CHECK(!in_io_loop_);
|
| - if (availability_state_ == STATE_DRAINING) {
|
| - return;
|
| - }
|
| - ignore_result(DoReadLoop(expected_read_state, result));
|
| -}
|
| -
|
| -int SpdySession::DoReadLoop(ReadState expected_read_state, int result) {
|
| - CHECK(!in_io_loop_);
|
| - CHECK_EQ(read_state_, expected_read_state);
|
| -
|
| - in_io_loop_ = true;
|
| -
|
| - int bytes_read_without_yielding = 0;
|
| - const base::TimeTicks yield_after_time =
|
| - time_func_() +
|
| - base::TimeDelta::FromMilliseconds(kYieldAfterDurationMilliseconds);
|
| -
|
| - // Loop until the session is draining, the read becomes blocked, or
|
| - // the read limit is exceeded.
|
| - while (true) {
|
| - switch (read_state_) {
|
| - case READ_STATE_DO_READ:
|
| - CHECK_EQ(result, OK);
|
| - result = DoRead();
|
| - break;
|
| - case READ_STATE_DO_READ_COMPLETE:
|
| - if (result > 0)
|
| - bytes_read_without_yielding += result;
|
| - result = DoReadComplete(result);
|
| - break;
|
| - default:
|
| - NOTREACHED() << "read_state_: " << read_state_;
|
| - break;
|
| - }
|
| -
|
| - if (availability_state_ == STATE_DRAINING)
|
| - break;
|
| -
|
| - if (result == ERR_IO_PENDING)
|
| - break;
|
| -
|
| - if (read_state_ == READ_STATE_DO_READ &&
|
| - (bytes_read_without_yielding > kYieldAfterBytesRead ||
|
| - time_func_() > yield_after_time)) {
|
| - base::ThreadTaskRunnerHandle::Get()->PostTask(
|
| - FROM_HERE,
|
| - base::Bind(&SpdySession::PumpReadLoop, weak_factory_.GetWeakPtr(),
|
| - READ_STATE_DO_READ, OK));
|
| - result = ERR_IO_PENDING;
|
| - break;
|
| - }
|
| - }
|
| -
|
| - CHECK(in_io_loop_);
|
| - in_io_loop_ = false;
|
| -
|
| - return result;
|
| -}
|
| -
|
| -int SpdySession::DoRead() {
|
| - DCHECK(!read_buffer_);
|
| - CHECK(in_io_loop_);
|
| -
|
| - CHECK(connection_);
|
| - CHECK(connection_->socket());
|
| - read_state_ = READ_STATE_DO_READ_COMPLETE;
|
| - int rv = ERR_READ_IF_READY_NOT_IMPLEMENTED;
|
| - read_buffer_ = new IOBuffer(kReadBufferSize);
|
| - if (base::FeatureList::IsEnabled(Socket::kReadIfReadyExperiment)) {
|
| - rv = connection_->socket()->ReadIfReady(
|
| - read_buffer_.get(), kReadBufferSize,
|
| - base::Bind(&SpdySession::PumpReadLoop, weak_factory_.GetWeakPtr(),
|
| - READ_STATE_DO_READ));
|
| - if (rv == ERR_IO_PENDING) {
|
| - read_buffer_ = nullptr;
|
| - read_state_ = READ_STATE_DO_READ;
|
| - return rv;
|
| - }
|
| - }
|
| - if (rv == ERR_READ_IF_READY_NOT_IMPLEMENTED) {
|
| - // Fallback to regular Read().
|
| - return connection_->socket()->Read(
|
| - read_buffer_.get(), kReadBufferSize,
|
| - base::Bind(&SpdySession::PumpReadLoop, weak_factory_.GetWeakPtr(),
|
| - READ_STATE_DO_READ_COMPLETE));
|
| - }
|
| - return rv;
|
| -}
|
| -
|
| -int SpdySession::DoReadComplete(int result) {
|
| - DCHECK(read_buffer_);
|
| - CHECK(in_io_loop_);
|
| -
|
| - // Parse a frame. For now this code requires that the frame fit into our
|
| - // buffer (kReadBufferSize).
|
| - // TODO(mbelshe): support arbitrarily large frames!
|
| -
|
| - if (result == 0) {
|
| - DoDrainSession(ERR_CONNECTION_CLOSED, "Connection closed");
|
| - return ERR_CONNECTION_CLOSED;
|
| - }
|
| -
|
| - if (result < 0) {
|
| - DoDrainSession(static_cast<Error>(result),
|
| - SpdyStringPrintf("Error %d reading from socket.", -result));
|
| - return result;
|
| - }
|
| - CHECK_LE(result, kReadBufferSize);
|
| -
|
| - last_activity_time_ = time_func_();
|
| -
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - char* data = read_buffer_->data();
|
| - while (result > 0) {
|
| - uint32_t bytes_processed =
|
| - buffered_spdy_framer_->ProcessInput(data, result);
|
| - result -= bytes_processed;
|
| - data += bytes_processed;
|
| -
|
| - if (availability_state_ == STATE_DRAINING) {
|
| - return ERR_CONNECTION_CLOSED;
|
| - }
|
| -
|
| - DCHECK_EQ(buffered_spdy_framer_->spdy_framer_error(),
|
| - SpdyFramer::SPDY_NO_ERROR);
|
| - }
|
| -
|
| - read_buffer_ = nullptr;
|
| - read_state_ = READ_STATE_DO_READ;
|
| - return OK;
|
| -}
|
| -
|
| -void SpdySession::PumpWriteLoop(WriteState expected_write_state, int result) {
|
| - CHECK(!in_io_loop_);
|
| - DCHECK_EQ(write_state_, expected_write_state);
|
| -
|
| - DoWriteLoop(expected_write_state, result);
|
| -
|
| - if (availability_state_ == STATE_DRAINING && !in_flight_write_ &&
|
| - write_queue_.IsEmpty()) {
|
| - pool_->RemoveUnavailableSession(GetWeakPtr()); // Destroys |this|.
|
| - return;
|
| - }
|
| -}
|
| -
|
| -void SpdySession::MaybePostWriteLoop() {
|
| - if (write_state_ == WRITE_STATE_IDLE) {
|
| - CHECK(!in_flight_write_);
|
| - write_state_ = WRITE_STATE_DO_WRITE;
|
| - base::ThreadTaskRunnerHandle::Get()->PostTask(
|
| - FROM_HERE,
|
| - base::Bind(&SpdySession::PumpWriteLoop, weak_factory_.GetWeakPtr(),
|
| - WRITE_STATE_DO_WRITE, OK));
|
| - }
|
| -}
|
| -
|
| -int SpdySession::DoWriteLoop(WriteState expected_write_state, int result) {
|
| - CHECK(!in_io_loop_);
|
| - DCHECK_NE(write_state_, WRITE_STATE_IDLE);
|
| - DCHECK_EQ(write_state_, expected_write_state);
|
| -
|
| - in_io_loop_ = true;
|
| -
|
| - // Loop until the session is closed or the write becomes blocked.
|
| - while (true) {
|
| - switch (write_state_) {
|
| - case WRITE_STATE_DO_WRITE:
|
| - DCHECK_EQ(result, OK);
|
| - result = DoWrite();
|
| - break;
|
| - case WRITE_STATE_DO_WRITE_COMPLETE:
|
| - result = DoWriteComplete(result);
|
| - break;
|
| - case WRITE_STATE_IDLE:
|
| - default:
|
| - NOTREACHED() << "write_state_: " << write_state_;
|
| - break;
|
| - }
|
| -
|
| - if (write_state_ == WRITE_STATE_IDLE) {
|
| - DCHECK_EQ(result, ERR_IO_PENDING);
|
| - break;
|
| - }
|
| -
|
| - if (result == ERR_IO_PENDING)
|
| - break;
|
| - }
|
| -
|
| - CHECK(in_io_loop_);
|
| - in_io_loop_ = false;
|
| -
|
| - return result;
|
| -}
|
| -
|
| -int SpdySession::DoWrite() {
|
| - CHECK(in_io_loop_);
|
| -
|
| - DCHECK(buffered_spdy_framer_);
|
| - if (in_flight_write_) {
|
| - DCHECK_GT(in_flight_write_->GetRemainingSize(), 0u);
|
| - } else {
|
| - // Grab the next frame to send.
|
| - SpdyFrameType frame_type = SpdyFrameType::DATA;
|
| - std::unique_ptr<SpdyBufferProducer> producer;
|
| - base::WeakPtr<SpdyStream> stream;
|
| - if (!write_queue_.Dequeue(&frame_type, &producer, &stream)) {
|
| - write_state_ = WRITE_STATE_IDLE;
|
| - return ERR_IO_PENDING;
|
| - }
|
| -
|
| - if (stream.get())
|
| - CHECK(!stream->IsClosed());
|
| -
|
| - // Activate the stream only when sending the HEADERS frame to
|
| - // guarantee monotonically-increasing stream IDs.
|
| - if (frame_type == SpdyFrameType::HEADERS) {
|
| - CHECK(stream.get());
|
| - CHECK_EQ(stream->stream_id(), 0u);
|
| - std::unique_ptr<SpdyStream> owned_stream =
|
| - ActivateCreatedStream(stream.get());
|
| - InsertActivatedStream(std::move(owned_stream));
|
| -
|
| - if (stream_hi_water_mark_ > kLastStreamId) {
|
| - CHECK_EQ(stream->stream_id(), kLastStreamId);
|
| - // We've exhausted the stream ID space, and no new streams may be
|
| - // created after this one.
|
| - MakeUnavailable();
|
| - StartGoingAway(kLastStreamId, ERR_ABORTED);
|
| - }
|
| - }
|
| -
|
| - // TODO(pkasting): Remove ScopedTracker below once crbug.com/457517 is
|
| - // fixed.
|
| - tracked_objects::ScopedTracker tracking_profile1(
|
| - FROM_HERE_WITH_EXPLICIT_FUNCTION("457517 SpdySession::DoWrite1"));
|
| - in_flight_write_ = producer->ProduceBuffer();
|
| - if (!in_flight_write_) {
|
| - NOTREACHED();
|
| - return ERR_UNEXPECTED;
|
| - }
|
| - in_flight_write_frame_type_ = frame_type;
|
| - in_flight_write_frame_size_ = in_flight_write_->GetRemainingSize();
|
| - DCHECK_GE(in_flight_write_frame_size_,
|
| - buffered_spdy_framer_->GetFrameMinimumSize());
|
| - in_flight_write_stream_ = stream;
|
| - }
|
| -
|
| - write_state_ = WRITE_STATE_DO_WRITE_COMPLETE;
|
| -
|
| - // Explicitly store in a scoped_refptr<IOBuffer> to avoid problems
|
| - // with Socket implementations that don't store their IOBuffer
|
| - // argument in a scoped_refptr<IOBuffer> (see crbug.com/232345).
|
| - // TODO(pkasting): Remove ScopedTracker below once crbug.com/457517 is fixed.
|
| - tracked_objects::ScopedTracker tracking_profile2(
|
| - FROM_HERE_WITH_EXPLICIT_FUNCTION("457517 SpdySession::DoWrite2"));
|
| - scoped_refptr<IOBuffer> write_io_buffer =
|
| - in_flight_write_->GetIOBufferForRemainingData();
|
| - return connection_->socket()->Write(
|
| - write_io_buffer.get(), in_flight_write_->GetRemainingSize(),
|
| - base::Bind(&SpdySession::PumpWriteLoop, weak_factory_.GetWeakPtr(),
|
| - WRITE_STATE_DO_WRITE_COMPLETE));
|
| -}
|
| -
|
| -int SpdySession::DoWriteComplete(int result) {
|
| - CHECK(in_io_loop_);
|
| - DCHECK_NE(result, ERR_IO_PENDING);
|
| - DCHECK_GT(in_flight_write_->GetRemainingSize(), 0u);
|
| -
|
| - last_activity_time_ = time_func_();
|
| -
|
| - if (result < 0) {
|
| - DCHECK_NE(result, ERR_IO_PENDING);
|
| - in_flight_write_.reset();
|
| - in_flight_write_frame_type_ = SpdyFrameType::DATA;
|
| - in_flight_write_frame_size_ = 0;
|
| - in_flight_write_stream_.reset();
|
| - write_state_ = WRITE_STATE_DO_WRITE;
|
| - DoDrainSession(static_cast<Error>(result), "Write error");
|
| - return OK;
|
| - }
|
| -
|
| - // It should not be possible to have written more bytes than our
|
| - // in_flight_write_.
|
| - DCHECK_LE(static_cast<size_t>(result), in_flight_write_->GetRemainingSize());
|
| -
|
| - if (result > 0) {
|
| - in_flight_write_->Consume(static_cast<size_t>(result));
|
| - if (in_flight_write_stream_.get())
|
| - in_flight_write_stream_->AddRawSentBytes(static_cast<size_t>(result));
|
| -
|
| - // We only notify the stream when we've fully written the pending frame.
|
| - if (in_flight_write_->GetRemainingSize() == 0) {
|
| - // It is possible that the stream was cancelled while we were
|
| - // writing to the socket.
|
| - if (in_flight_write_stream_.get()) {
|
| - DCHECK_GT(in_flight_write_frame_size_, 0u);
|
| - in_flight_write_stream_->OnFrameWriteComplete(
|
| - in_flight_write_frame_type_, in_flight_write_frame_size_);
|
| - }
|
| -
|
| - // Cleanup the write which just completed.
|
| - in_flight_write_.reset();
|
| - in_flight_write_frame_type_ = SpdyFrameType::DATA;
|
| - in_flight_write_frame_size_ = 0;
|
| - in_flight_write_stream_.reset();
|
| - }
|
| - }
|
| -
|
| - write_state_ = WRITE_STATE_DO_WRITE;
|
| - return OK;
|
| -}
|
| -
|
| -void SpdySession::SendInitialData() {
|
| - DCHECK(enable_sending_initial_data_);
|
| -
|
| - std::unique_ptr<SpdySerializedFrame> connection_header_prefix_frame(
|
| - new SpdySerializedFrame(const_cast<char*>(kHttp2ConnectionHeaderPrefix),
|
| - kHttp2ConnectionHeaderPrefixSize,
|
| - false /* take_ownership */));
|
| - // Count the prefix as part of the subsequent SETTINGS frame.
|
| - EnqueueSessionWrite(HIGHEST, SpdyFrameType::SETTINGS,
|
| - std::move(connection_header_prefix_frame));
|
| -
|
| - // First, notify the server about the settings they should use when
|
| - // communicating with us. Only send settings that have a value different from
|
| - // the protocol default value.
|
| - SettingsMap settings_map;
|
| - for (auto setting : initial_settings_) {
|
| - if (!IsSpdySettingAtDefaultInitialValue(setting.first, setting.second)) {
|
| - settings_map.insert(setting);
|
| - }
|
| - }
|
| - SendSettings(settings_map);
|
| -
|
| - // Next, notify the server about our initial recv window size.
|
| - // Bump up the receive window size to the real initial value. This
|
| - // has to go here since the WINDOW_UPDATE frame sent by
|
| - // IncreaseRecvWindowSize() call uses |buffered_spdy_framer_|.
|
| - // This condition implies that |session_max_recv_window_size_| -
|
| - // |session_recv_window_size_| doesn't overflow.
|
| - DCHECK_GE(session_max_recv_window_size_, session_recv_window_size_);
|
| - DCHECK_GE(session_recv_window_size_, 0);
|
| - if (session_max_recv_window_size_ > session_recv_window_size_) {
|
| - IncreaseRecvWindowSize(session_max_recv_window_size_ -
|
| - session_recv_window_size_);
|
| - }
|
| -}
|
| -
|
| -void SpdySession::SendSettings(const SettingsMap& settings) {
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_SEND_SETTINGS,
|
| - base::Bind(&NetLogSpdySendSettingsCallback, &settings));
|
| - // Create the SETTINGS frame and send it.
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - std::unique_ptr<SpdySerializedFrame> settings_frame(
|
| - buffered_spdy_framer_->CreateSettings(settings));
|
| - EnqueueSessionWrite(HIGHEST, SpdyFrameType::SETTINGS,
|
| - std::move(settings_frame));
|
| -}
|
| -
|
| -void SpdySession::HandleSetting(uint32_t id, uint32_t value) {
|
| - switch (id) {
|
| - case SETTINGS_MAX_CONCURRENT_STREAMS:
|
| - max_concurrent_streams_ =
|
| - std::min(static_cast<size_t>(value), kMaxConcurrentStreamLimit);
|
| - ProcessPendingStreamRequests();
|
| - break;
|
| - case SETTINGS_INITIAL_WINDOW_SIZE: {
|
| - if (value > static_cast<uint32_t>(std::numeric_limits<int32_t>::max())) {
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_INITIAL_WINDOW_SIZE_OUT_OF_RANGE,
|
| - NetLog::IntCallback("initial_window_size", value));
|
| - return;
|
| - }
|
| -
|
| - // SETTINGS_INITIAL_WINDOW_SIZE updates initial_send_window_size_ only.
|
| - int32_t delta_window_size =
|
| - static_cast<int32_t>(value) - stream_initial_send_window_size_;
|
| - stream_initial_send_window_size_ = static_cast<int32_t>(value);
|
| - UpdateStreamsSendWindowSize(delta_window_size);
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_UPDATE_STREAMS_SEND_WINDOW_SIZE,
|
| - NetLog::IntCallback("delta_window_size", delta_window_size));
|
| - break;
|
| - }
|
| - }
|
| -}
|
| -
|
| -void SpdySession::UpdateStreamsSendWindowSize(int32_t delta_window_size) {
|
| - for (ActiveStreamMap::iterator it = active_streams_.begin();
|
| - it != active_streams_.end(); ++it) {
|
| - it->second->AdjustSendWindowSize(delta_window_size);
|
| - }
|
| -
|
| - for (CreatedStreamSet::const_iterator it = created_streams_.begin();
|
| - it != created_streams_.end(); it++) {
|
| - (*it)->AdjustSendWindowSize(delta_window_size);
|
| - }
|
| -}
|
| -
|
| -void SpdySession::SendPrefacePingIfNoneInFlight() {
|
| - if (pings_in_flight_ || !enable_ping_based_connection_checking_)
|
| - return;
|
| -
|
| - base::TimeTicks now = time_func_();
|
| - // If there is no activity in the session, then send a preface-PING.
|
| - if ((now - last_activity_time_) > connection_at_risk_of_loss_time_)
|
| - SendPrefacePing();
|
| -}
|
| -
|
| -void SpdySession::SendPrefacePing() {
|
| - WritePingFrame(next_ping_id_, false);
|
| -}
|
| -
|
| -void SpdySession::SendWindowUpdateFrame(SpdyStreamId stream_id,
|
| - uint32_t delta_window_size,
|
| - RequestPriority priority) {
|
| - ActiveStreamMap::const_iterator it = active_streams_.find(stream_id);
|
| - if (it != active_streams_.end()) {
|
| - CHECK_EQ(it->second->stream_id(), stream_id);
|
| - } else {
|
| - CHECK_EQ(stream_id, kSessionFlowControlStreamId);
|
| - }
|
| -
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_SEND_WINDOW_UPDATE,
|
| - base::Bind(&NetLogSpdyWindowUpdateFrameCallback, stream_id,
|
| - delta_window_size));
|
| -
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - std::unique_ptr<SpdySerializedFrame> window_update_frame(
|
| - buffered_spdy_framer_->CreateWindowUpdate(stream_id, delta_window_size));
|
| - EnqueueSessionWrite(priority, SpdyFrameType::WINDOW_UPDATE,
|
| - std::move(window_update_frame));
|
| -}
|
| -
|
| -void SpdySession::WritePingFrame(SpdyPingId unique_id, bool is_ack) {
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - std::unique_ptr<SpdySerializedFrame> ping_frame(
|
| - buffered_spdy_framer_->CreatePingFrame(unique_id, is_ack));
|
| - EnqueueSessionWrite(HIGHEST, SpdyFrameType::PING, std::move(ping_frame));
|
| -
|
| - if (net_log().IsCapturing()) {
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_PING,
|
| - base::Bind(&NetLogSpdyPingCallback, unique_id, is_ack, "sent"));
|
| - }
|
| - if (!is_ack) {
|
| - next_ping_id_ += 2;
|
| - ++pings_in_flight_;
|
| - PlanToCheckPingStatus();
|
| - last_ping_sent_time_ = time_func_();
|
| - }
|
| -}
|
| -
|
| -void SpdySession::PlanToCheckPingStatus() {
|
| - if (check_ping_status_pending_)
|
| - return;
|
| -
|
| - check_ping_status_pending_ = true;
|
| - base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
|
| - FROM_HERE, base::Bind(&SpdySession::CheckPingStatus,
|
| - weak_factory_.GetWeakPtr(), time_func_()),
|
| - hung_interval_);
|
| -}
|
| -
|
| -void SpdySession::CheckPingStatus(base::TimeTicks last_check_time) {
|
| - CHECK(!in_io_loop_);
|
| -
|
| - // Check if we got a response back for all PINGs we had sent.
|
| - if (pings_in_flight_ == 0) {
|
| - check_ping_status_pending_ = false;
|
| - return;
|
| - }
|
| -
|
| - DCHECK(check_ping_status_pending_);
|
| -
|
| - base::TimeTicks now = time_func_();
|
| - base::TimeDelta delay = hung_interval_ - (now - last_activity_time_);
|
| -
|
| - if (delay.InMilliseconds() < 0 || last_activity_time_ < last_check_time) {
|
| - DoDrainSession(ERR_SPDY_PING_FAILED, "Failed ping.");
|
| - return;
|
| - }
|
| -
|
| - // Check the status of connection after a delay.
|
| - base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
|
| - FROM_HERE, base::Bind(&SpdySession::CheckPingStatus,
|
| - weak_factory_.GetWeakPtr(), now),
|
| - delay);
|
| -}
|
| -
|
| -SpdyStreamId SpdySession::GetNewStreamId() {
|
| - CHECK_LE(stream_hi_water_mark_, kLastStreamId);
|
| - SpdyStreamId id = stream_hi_water_mark_;
|
| - stream_hi_water_mark_ += 2;
|
| - return id;
|
| -}
|
| -
|
| -void SpdySession::EnqueueSessionWrite(
|
| - RequestPriority priority,
|
| - SpdyFrameType frame_type,
|
| - std::unique_ptr<SpdySerializedFrame> frame) {
|
| - DCHECK(frame_type == SpdyFrameType::RST_STREAM ||
|
| - frame_type == SpdyFrameType::SETTINGS ||
|
| - frame_type == SpdyFrameType::WINDOW_UPDATE ||
|
| - frame_type == SpdyFrameType::PING ||
|
| - frame_type == SpdyFrameType::GOAWAY);
|
| - EnqueueWrite(
|
| - priority, frame_type,
|
| - std::unique_ptr<SpdyBufferProducer>(new SimpleBufferProducer(
|
| - std::unique_ptr<SpdyBuffer>(new SpdyBuffer(std::move(frame))))),
|
| - base::WeakPtr<SpdyStream>());
|
| -}
|
| -
|
| -void SpdySession::EnqueueWrite(RequestPriority priority,
|
| - SpdyFrameType frame_type,
|
| - std::unique_ptr<SpdyBufferProducer> producer,
|
| - const base::WeakPtr<SpdyStream>& stream) {
|
| - if (availability_state_ == STATE_DRAINING)
|
| - return;
|
| -
|
| - write_queue_.Enqueue(priority, frame_type, std::move(producer), stream);
|
| - MaybePostWriteLoop();
|
| -}
|
| -
|
| -void SpdySession::InsertCreatedStream(std::unique_ptr<SpdyStream> stream) {
|
| - CHECK_EQ(stream->stream_id(), 0u);
|
| - CHECK(created_streams_.find(stream.get()) == created_streams_.end());
|
| - created_streams_.insert(stream.release());
|
| -}
|
| -
|
| -std::unique_ptr<SpdyStream> SpdySession::ActivateCreatedStream(
|
| - SpdyStream* stream) {
|
| - CHECK_EQ(stream->stream_id(), 0u);
|
| - CHECK(created_streams_.find(stream) != created_streams_.end());
|
| - stream->set_stream_id(GetNewStreamId());
|
| - std::unique_ptr<SpdyStream> owned_stream(stream);
|
| - created_streams_.erase(stream);
|
| - return owned_stream;
|
| -}
|
| -
|
| -void SpdySession::InsertActivatedStream(std::unique_ptr<SpdyStream> stream) {
|
| - SpdyStreamId stream_id = stream->stream_id();
|
| - CHECK_NE(stream_id, 0u);
|
| - std::pair<ActiveStreamMap::iterator, bool> result =
|
| - active_streams_.insert(std::make_pair(stream_id, stream.get()));
|
| - CHECK(result.second);
|
| - ignore_result(stream.release());
|
| -}
|
| -
|
| -void SpdySession::DeleteStream(std::unique_ptr<SpdyStream> stream, int status) {
|
| - if (in_flight_write_stream_.get() == stream.get()) {
|
| - // If we're deleting the stream for the in-flight write, we still
|
| - // need to let the write complete, so we clear
|
| - // |in_flight_write_stream_| and let the write finish on its own
|
| - // without notifying |in_flight_write_stream_|.
|
| - in_flight_write_stream_.reset();
|
| - }
|
| -
|
| - write_queue_.RemovePendingWritesForStream(stream->GetWeakPtr());
|
| - stream->OnClose(status);
|
| -
|
| - if (availability_state_ == STATE_AVAILABLE) {
|
| - ProcessPendingStreamRequests();
|
| - }
|
| -}
|
| -
|
| -SpdyStreamId SpdySession::GetStreamIdForPush(const GURL& url) {
|
| - UnclaimedPushedStreamContainer::const_iterator unclaimed_it =
|
| - unclaimed_pushed_streams_.find(url);
|
| - if (unclaimed_it == unclaimed_pushed_streams_.end())
|
| - return 0;
|
| - return unclaimed_it->second.stream_id;
|
| -}
|
| -
|
| -SpdyStream* SpdySession::GetActivePushStream(const GURL& url) {
|
| - UnclaimedPushedStreamContainer::const_iterator unclaimed_it =
|
| - unclaimed_pushed_streams_.find(url);
|
| - if (unclaimed_it == unclaimed_pushed_streams_.end())
|
| - return nullptr;
|
| -
|
| - SpdyStreamId stream_id = unclaimed_it->second.stream_id;
|
| - unclaimed_pushed_streams_.erase(unclaimed_it);
|
| -
|
| - ActiveStreamMap::iterator active_it = active_streams_.find(stream_id);
|
| - if (active_it == active_streams_.end()) {
|
| - NOTREACHED();
|
| - return nullptr;
|
| - }
|
| -
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_STREAM_ADOPTED_PUSH_STREAM,
|
| - base::Bind(&NetLogSpdyAdoptedPushStreamCallback,
|
| - active_it->second->stream_id(), &url));
|
| - return active_it->second;
|
| -}
|
| -
|
| -void SpdySession::RecordPingRTTHistogram(base::TimeDelta duration) {
|
| - UMA_HISTOGRAM_CUSTOM_TIMES("Net.SpdyPing.RTT", duration,
|
| - base::TimeDelta::FromMilliseconds(1),
|
| - base::TimeDelta::FromMinutes(10), 100);
|
| -}
|
| -
|
| -void SpdySession::RecordHistograms() {
|
| - UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SpdyStreamsPerSession",
|
| - streams_initiated_count_, 1, 300, 50);
|
| - UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SpdyStreamsPushedPerSession",
|
| - streams_pushed_count_, 1, 300, 50);
|
| - UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SpdyStreamsPushedAndClaimedPerSession",
|
| - streams_pushed_and_claimed_count_, 1, 300, 50);
|
| - UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SpdyStreamsAbandonedPerSession",
|
| - streams_abandoned_count_, 1, 300, 50);
|
| - UMA_HISTOGRAM_COUNTS_1M("Net.SpdySession.PushedBytes", bytes_pushed_count_);
|
| - DCHECK_LE(bytes_pushed_and_unclaimed_count_, bytes_pushed_count_);
|
| - UMA_HISTOGRAM_COUNTS_1M("Net.SpdySession.PushedAndUnclaimedBytes",
|
| - bytes_pushed_and_unclaimed_count_);
|
| -}
|
| -
|
| -void SpdySession::RecordProtocolErrorHistogram(
|
| - SpdyProtocolErrorDetails details) {
|
| - UMA_HISTOGRAM_ENUMERATION("Net.SpdySessionErrorDetails2", details,
|
| - NUM_SPDY_PROTOCOL_ERROR_DETAILS);
|
| - if (base::EndsWith(host_port_pair().host(), "google.com",
|
| - base::CompareCase::INSENSITIVE_ASCII)) {
|
| - UMA_HISTOGRAM_ENUMERATION("Net.SpdySessionErrorDetails_Google2", details,
|
| - NUM_SPDY_PROTOCOL_ERROR_DETAILS);
|
| - }
|
| -}
|
| -
|
| -void SpdySession::DcheckGoingAway() const {
|
| -#if DCHECK_IS_ON()
|
| - DCHECK_GE(availability_state_, STATE_GOING_AWAY);
|
| - for (int i = MINIMUM_PRIORITY; i <= MAXIMUM_PRIORITY; ++i) {
|
| - DCHECK(pending_create_stream_queues_[i].empty());
|
| - }
|
| - DCHECK(created_streams_.empty());
|
| -#endif
|
| -}
|
| -
|
| -void SpdySession::DcheckDraining() const {
|
| - DcheckGoingAway();
|
| - DCHECK_EQ(availability_state_, STATE_DRAINING);
|
| - DCHECK(active_streams_.empty());
|
| - DCHECK(unclaimed_pushed_streams_.empty());
|
| -}
|
| -
|
| -void SpdySession::DoDrainSession(Error err, const SpdyString& description) {
|
| - if (availability_state_ == STATE_DRAINING) {
|
| - return;
|
| - }
|
| - MakeUnavailable();
|
| -
|
| - // Mark host_port_pair requiring HTTP/1.1 for subsequent connections.
|
| - if (err == ERR_HTTP_1_1_REQUIRED) {
|
| - http_server_properties_->SetHTTP11Required(host_port_pair());
|
| - }
|
| -
|
| - // If |err| indicates an error occurred, inform the peer that we're closing
|
| - // and why. Don't GOAWAY on a graceful or idle close, as that may
|
| - // unnecessarily wake the radio. We could technically GOAWAY on network errors
|
| - // (we'll probably fail to actually write it, but that's okay), however many
|
| - // unit-tests would need to be updated.
|
| - if (err != OK &&
|
| - err != ERR_ABORTED && // Used by SpdySessionPool to close idle sessions.
|
| - err != ERR_NETWORK_CHANGED && // Used to deprecate sessions on IP change.
|
| - err != ERR_SOCKET_NOT_CONNECTED && err != ERR_HTTP_1_1_REQUIRED &&
|
| - err != ERR_CONNECTION_CLOSED && err != ERR_CONNECTION_RESET) {
|
| - // Enqueue a GOAWAY to inform the peer of why we're closing the connection.
|
| - SpdyGoAwayIR goaway_ir(last_accepted_push_stream_id_,
|
| - MapNetErrorToGoAwayStatus(err), description);
|
| - EnqueueSessionWrite(
|
| - HIGHEST, SpdyFrameType::GOAWAY,
|
| - std::unique_ptr<SpdySerializedFrame>(new SpdySerializedFrame(
|
| - buffered_spdy_framer_->SerializeFrame(goaway_ir))));
|
| - }
|
| -
|
| - availability_state_ = STATE_DRAINING;
|
| - error_on_close_ = err;
|
| -
|
| - net_log_.AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_CLOSE,
|
| - base::Bind(&NetLogSpdySessionCloseCallback, err, &description));
|
| -
|
| - UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SpdySession.ClosedOnError", -err);
|
| -
|
| - if (err == OK) {
|
| - // We ought to be going away already, as this is a graceful close.
|
| - DcheckGoingAway();
|
| - } else {
|
| - StartGoingAway(0, err);
|
| - }
|
| - DcheckDraining();
|
| - MaybePostWriteLoop();
|
| -}
|
| -
|
| -void SpdySession::LogAbandonedStream(SpdyStream* stream, Error status) {
|
| - DCHECK(stream);
|
| - SpdyString description =
|
| - SpdyStringPrintf("ABANDONED (stream_id=%d): ", stream->stream_id()) +
|
| - stream->url().spec();
|
| - stream->LogStreamError(status, description);
|
| - // We don't increment the streams abandoned counter here. If the
|
| - // stream isn't active (i.e., it hasn't written anything to the wire
|
| - // yet) then it's as if it never existed. If it is active, then
|
| - // LogAbandonedActiveStream() will increment the counters.
|
| -}
|
| -
|
| -void SpdySession::LogAbandonedActiveStream(ActiveStreamMap::const_iterator it,
|
| - Error status) {
|
| - DCHECK_GT(it->first, 0u);
|
| - LogAbandonedStream(it->second, status);
|
| - ++streams_abandoned_count_;
|
| -}
|
| -
|
| -void SpdySession::CompleteStreamRequest(
|
| - const base::WeakPtr<SpdyStreamRequest>& pending_request) {
|
| - // Abort if the request has already been cancelled.
|
| - if (!pending_request)
|
| - return;
|
| -
|
| - base::WeakPtr<SpdyStream> stream;
|
| - int rv = TryCreateStream(pending_request, &stream);
|
| -
|
| - if (rv == OK) {
|
| - DCHECK(stream);
|
| - pending_request->OnRequestCompleteSuccess(stream);
|
| - return;
|
| - }
|
| - DCHECK(!stream);
|
| -
|
| - if (rv != ERR_IO_PENDING) {
|
| - pending_request->OnRequestCompleteFailure(rv);
|
| - }
|
| -}
|
| -
|
| -void SpdySession::DeleteExpiredPushedStreams() {
|
| - if (unclaimed_pushed_streams_.empty())
|
| - return;
|
| -
|
| - // Check that adequate time has elapsed since the last sweep.
|
| - if (time_func_() < next_unclaimed_push_stream_sweep_time_)
|
| - return;
|
| -
|
| - // Gather old streams to delete.
|
| - base::TimeTicks minimum_freshness =
|
| - time_func_() -
|
| - base::TimeDelta::FromSeconds(kMinPushedStreamLifetimeSeconds);
|
| - std::vector<SpdyStreamId> streams_to_close;
|
| - for (UnclaimedPushedStreamContainer::const_iterator it =
|
| - unclaimed_pushed_streams_.begin();
|
| - it != unclaimed_pushed_streams_.end(); ++it) {
|
| - if (minimum_freshness > it->second.creation_time)
|
| - streams_to_close.push_back(it->second.stream_id);
|
| - }
|
| -
|
| - for (std::vector<SpdyStreamId>::const_iterator to_close_it =
|
| - streams_to_close.begin();
|
| - to_close_it != streams_to_close.end(); ++to_close_it) {
|
| - ActiveStreamMap::iterator active_it = active_streams_.find(*to_close_it);
|
| - if (active_it == active_streams_.end())
|
| - continue;
|
| - bytes_pushed_and_unclaimed_count_ += active_it->second->recv_bytes();
|
| -
|
| - LogAbandonedActiveStream(active_it, ERR_INVALID_SPDY_STREAM);
|
| - // CloseActiveStreamIterator() will remove the stream from
|
| - // |unclaimed_pushed_streams_|.
|
| - ResetStreamIterator(active_it, ERROR_CODE_REFUSED_STREAM,
|
| - "Stream not claimed.");
|
| - }
|
| -
|
| - next_unclaimed_push_stream_sweep_time_ =
|
| - time_func_() +
|
| - base::TimeDelta::FromSeconds(kMinPushedStreamLifetimeSeconds);
|
| -}
|
| -
|
| -void SpdySession::OnError(SpdyFramer::SpdyFramerError spdy_framer_error) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - RecordProtocolErrorHistogram(
|
| - MapFramerErrorToProtocolError(spdy_framer_error));
|
| - SpdyString description =
|
| - SpdyStringPrintf("Framer error: %d (%s).", spdy_framer_error,
|
| - SpdyFramer::SpdyFramerErrorToString(spdy_framer_error));
|
| - DoDrainSession(MapFramerErrorToNetError(spdy_framer_error), description);
|
| -}
|
| -
|
| -void SpdySession::OnStreamError(SpdyStreamId stream_id,
|
| - const SpdyString& description) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - if (it == active_streams_.end()) {
|
| - // We still want to send a frame to reset the stream even if we
|
| - // don't know anything about it.
|
| - EnqueueResetStreamFrame(stream_id, IDLE, ERROR_CODE_PROTOCOL_ERROR,
|
| - description);
|
| - return;
|
| - }
|
| -
|
| - ResetStreamIterator(it, ERROR_CODE_PROTOCOL_ERROR, description);
|
| -}
|
| -
|
| -void SpdySession::OnPing(SpdyPingId unique_id, bool is_ack) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - net_log_.AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_PING,
|
| - base::Bind(&NetLogSpdyPingCallback, unique_id, is_ack, "received"));
|
| -
|
| - // Send response to a PING from server.
|
| - if (!is_ack) {
|
| - WritePingFrame(unique_id, true);
|
| - return;
|
| - }
|
| -
|
| - --pings_in_flight_;
|
| - if (pings_in_flight_ < 0) {
|
| - RecordProtocolErrorHistogram(PROTOCOL_ERROR_UNEXPECTED_PING);
|
| - DoDrainSession(ERR_SPDY_PROTOCOL_ERROR, "pings_in_flight_ is < 0.");
|
| - pings_in_flight_ = 0;
|
| - return;
|
| - }
|
| -
|
| - if (pings_in_flight_ > 0)
|
| - return;
|
| -
|
| - // We will record RTT in histogram when there are no more client sent
|
| - // pings_in_flight_.
|
| - RecordPingRTTHistogram(time_func_() - last_ping_sent_time_);
|
| -}
|
| -
|
| -void SpdySession::OnRstStream(SpdyStreamId stream_id,
|
| - SpdyErrorCode error_code) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_RECV_RST_STREAM,
|
| - base::Bind(&NetLogSpdyRecvRstStreamCallback, stream_id, error_code));
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - if (it == active_streams_.end()) {
|
| - // NOTE: it may just be that the stream was cancelled.
|
| - LOG(WARNING) << "Received RST for invalid stream" << stream_id;
|
| - return;
|
| - }
|
| -
|
| - CHECK_EQ(it->second->stream_id(), stream_id);
|
| -
|
| - if (error_code == ERROR_CODE_NO_ERROR) {
|
| - CloseActiveStreamIterator(it, ERR_SPDY_RST_STREAM_NO_ERROR_RECEIVED);
|
| - } else if (error_code == ERROR_CODE_REFUSED_STREAM) {
|
| - CloseActiveStreamIterator(it, ERR_SPDY_SERVER_REFUSED_STREAM);
|
| - } else if (error_code == ERROR_CODE_HTTP_1_1_REQUIRED) {
|
| - // TODO(bnc): Record histogram with number of open streams capped at 50.
|
| - it->second->LogStreamError(
|
| - ERR_HTTP_1_1_REQUIRED,
|
| - SpdyStringPrintf(
|
| - "SPDY session closed because of stream with error_code: %u",
|
| - error_code));
|
| - DoDrainSession(ERR_HTTP_1_1_REQUIRED, "HTTP_1_1_REQUIRED for stream.");
|
| - } else {
|
| - RecordProtocolErrorHistogram(
|
| - PROTOCOL_ERROR_RST_STREAM_FOR_NON_ACTIVE_STREAM);
|
| - it->second->LogStreamError(
|
| - ERR_SPDY_PROTOCOL_ERROR,
|
| - SpdyStringPrintf("SPDY stream closed with error_code: %u", error_code));
|
| - // TODO(mbelshe): Map from Spdy-protocol errors to something sensical.
|
| - // For now, it doesn't matter much - it is a protocol error.
|
| - CloseActiveStreamIterator(it, ERR_SPDY_PROTOCOL_ERROR);
|
| - }
|
| -}
|
| -
|
| -void SpdySession::OnGoAway(SpdyStreamId last_accepted_stream_id,
|
| - SpdyErrorCode error_code,
|
| - SpdyStringPiece debug_data) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - // TODO(jgraettinger): UMA histogram on |error_code|.
|
| -
|
| - net_log_.AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_RECV_GOAWAY,
|
| - base::Bind(&NetLogSpdyRecvGoAwayCallback, last_accepted_stream_id,
|
| - active_streams_.size(), unclaimed_pushed_streams_.size(),
|
| - error_code, debug_data));
|
| - MakeUnavailable();
|
| - if (error_code == ERROR_CODE_HTTP_1_1_REQUIRED) {
|
| - // TODO(bnc): Record histogram with number of open streams capped at 50.
|
| - DoDrainSession(ERR_HTTP_1_1_REQUIRED, "HTTP_1_1_REQUIRED for stream.");
|
| - } else if (error_code == ERROR_CODE_NO_ERROR) {
|
| - StartGoingAway(last_accepted_stream_id, ERR_SPDY_SERVER_REFUSED_STREAM);
|
| - } else {
|
| - StartGoingAway(last_accepted_stream_id, ERR_ABORTED);
|
| - }
|
| - // This is to handle the case when we already don't have any active
|
| - // streams (i.e., StartGoingAway() did nothing). Otherwise, we have
|
| - // active streams and so the last one being closed will finish the
|
| - // going away process (see DeleteStream()).
|
| - MaybeFinishGoingAway();
|
| -}
|
| -
|
| -void SpdySession::OnDataFrameHeader(SpdyStreamId stream_id,
|
| - size_t length,
|
| - bool fin) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| -
|
| - // By the time data comes in, the stream may already be inactive.
|
| - if (it == active_streams_.end())
|
| - return;
|
| -
|
| - SpdyStream* stream = it->second;
|
| - CHECK_EQ(stream->stream_id(), stream_id);
|
| -
|
| - DCHECK(buffered_spdy_framer_);
|
| - size_t header_len = buffered_spdy_framer_->GetDataFrameMinimumSize();
|
| - stream->AddRawReceivedBytes(header_len);
|
| -}
|
| -
|
| -void SpdySession::OnStreamFrameData(SpdyStreamId stream_id,
|
| - const char* data,
|
| - size_t len) {
|
| - CHECK(in_io_loop_);
|
| - DCHECK_LT(len, 1u << 24);
|
| - if (net_log().IsCapturing()) {
|
| - net_log().AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_RECV_DATA,
|
| - base::Bind(&NetLogSpdyDataCallback, stream_id, len, false));
|
| - }
|
| -
|
| - // Build the buffer as early as possible so that we go through the
|
| - // session flow control checks and update
|
| - // |unacked_recv_window_bytes_| properly even when the stream is
|
| - // inactive (since the other side has still reduced its session send
|
| - // window).
|
| - std::unique_ptr<SpdyBuffer> buffer;
|
| - if (data) {
|
| - DCHECK_GT(len, 0u);
|
| - CHECK_LE(len, static_cast<size_t>(kReadBufferSize));
|
| - buffer.reset(new SpdyBuffer(data, len));
|
| -
|
| - DecreaseRecvWindowSize(static_cast<int32_t>(len));
|
| - buffer->AddConsumeCallback(base::Bind(&SpdySession::OnReadBufferConsumed,
|
| - weak_factory_.GetWeakPtr()));
|
| - } else {
|
| - DCHECK_EQ(len, 0u);
|
| - }
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| -
|
| - // By the time data comes in, the stream may already be inactive.
|
| - if (it == active_streams_.end())
|
| - return;
|
| -
|
| - SpdyStream* stream = it->second;
|
| - CHECK_EQ(stream->stream_id(), stream_id);
|
| -
|
| - stream->AddRawReceivedBytes(len);
|
| - stream->OnDataReceived(std::move(buffer));
|
| -}
|
| -
|
| -void SpdySession::OnStreamEnd(SpdyStreamId stream_id) {
|
| - CHECK(in_io_loop_);
|
| - if (net_log().IsCapturing()) {
|
| - net_log().AddEvent(NetLogEventType::HTTP2_SESSION_RECV_DATA,
|
| - base::Bind(&NetLogSpdyDataCallback, stream_id, 0, true));
|
| - }
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - // By the time data comes in, the stream may already be inactive.
|
| - if (it == active_streams_.end())
|
| - return;
|
| -
|
| - SpdyStream* stream = it->second;
|
| - CHECK_EQ(stream->stream_id(), stream_id);
|
| -
|
| - stream->OnDataReceived(std::unique_ptr<SpdyBuffer>());
|
| -}
|
| -
|
| -void SpdySession::OnStreamPadding(SpdyStreamId stream_id, size_t len) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - // Decrease window size because padding bytes are received.
|
| - // Increase window size because padding bytes are consumed (by discarding).
|
| - // Net result: |session_unacked_recv_window_bytes_| increases by |len|,
|
| - // |session_recv_window_size_| does not change.
|
| - DecreaseRecvWindowSize(static_cast<int32_t>(len));
|
| - IncreaseRecvWindowSize(static_cast<int32_t>(len));
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - if (it == active_streams_.end())
|
| - return;
|
| - it->second->OnPaddingConsumed(len);
|
| -}
|
| -
|
| -void SpdySession::OnSettings() {
|
| - CHECK(in_io_loop_);
|
| -
|
| - if (net_log_.IsCapturing()) {
|
| - net_log_.AddEvent(
|
| - NetLogEventType::HTTP2_SESSION_RECV_SETTINGS,
|
| - base::Bind(&NetLogSpdyRecvSettingsCallback, host_port_pair()));
|
| - }
|
| -
|
| - // Send an acknowledgment of the setting.
|
| - SpdySettingsIR settings_ir;
|
| - settings_ir.set_is_ack(true);
|
| - EnqueueSessionWrite(
|
| - HIGHEST, SpdyFrameType::SETTINGS,
|
| - std::unique_ptr<SpdySerializedFrame>(new SpdySerializedFrame(
|
| - buffered_spdy_framer_->SerializeFrame(settings_ir))));
|
| -}
|
| -
|
| -void SpdySession::OnSetting(SpdySettingsIds id, uint32_t value) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - HandleSetting(id, value);
|
| -
|
| - // Log the setting.
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_RECV_SETTING,
|
| - base::Bind(&NetLogSpdyRecvSettingCallback, id, value));
|
| -}
|
| -
|
| -void SpdySession::OnWindowUpdate(SpdyStreamId stream_id,
|
| - int delta_window_size) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_RECV_WINDOW_UPDATE,
|
| - base::Bind(&NetLogSpdyWindowUpdateFrameCallback, stream_id,
|
| - delta_window_size));
|
| -
|
| - if (stream_id == kSessionFlowControlStreamId) {
|
| - // WINDOW_UPDATE for the session.
|
| - if (delta_window_size < 1) {
|
| - RecordProtocolErrorHistogram(PROTOCOL_ERROR_INVALID_WINDOW_UPDATE_SIZE);
|
| - DoDrainSession(
|
| - ERR_SPDY_PROTOCOL_ERROR,
|
| - "Received WINDOW_UPDATE with an invalid delta_window_size " +
|
| - base::IntToString(delta_window_size));
|
| - return;
|
| - }
|
| -
|
| - IncreaseSendWindowSize(delta_window_size);
|
| - } else {
|
| - // WINDOW_UPDATE for a stream.
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| -
|
| - if (it == active_streams_.end()) {
|
| - // NOTE: it may just be that the stream was cancelled.
|
| - LOG(WARNING) << "Received WINDOW_UPDATE for invalid stream " << stream_id;
|
| - return;
|
| - }
|
| -
|
| - SpdyStream* stream = it->second;
|
| - CHECK_EQ(stream->stream_id(), stream_id);
|
| -
|
| - if (delta_window_size < 1) {
|
| - ResetStreamIterator(
|
| - it, ERROR_CODE_FLOW_CONTROL_ERROR,
|
| - SpdyStringPrintf("Received WINDOW_UPDATE with an invalid "
|
| - "delta_window_size %d",
|
| - delta_window_size));
|
| - return;
|
| - }
|
| -
|
| - CHECK_EQ(it->second->stream_id(), stream_id);
|
| - it->second->IncreaseSendWindowSize(delta_window_size);
|
| - }
|
| -}
|
| -
|
| -void SpdySession::OnPushPromise(SpdyStreamId stream_id,
|
| - SpdyStreamId promised_stream_id,
|
| - SpdyHeaderBlock headers) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - if (net_log_.IsCapturing()) {
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_RECV_PUSH_PROMISE,
|
| - base::Bind(&NetLogSpdyPushPromiseReceivedCallback,
|
| - &headers, stream_id, promised_stream_id));
|
| - }
|
| -
|
| - TryCreatePushStream(promised_stream_id, stream_id, std::move(headers));
|
| -}
|
| -
|
| -void SpdySession::OnHeaders(SpdyStreamId stream_id,
|
| - bool has_priority,
|
| - int weight,
|
| - SpdyStreamId parent_stream_id,
|
| - bool exclusive,
|
| - bool fin,
|
| - SpdyHeaderBlock headers) {
|
| - CHECK(in_io_loop_);
|
| -
|
| - if (net_log().IsCapturing()) {
|
| - net_log().AddEvent(NetLogEventType::HTTP2_SESSION_RECV_HEADERS,
|
| - base::Bind(&NetLogSpdyHeadersReceivedCallback, &headers,
|
| - fin, stream_id));
|
| - }
|
| -
|
| - ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - if (it == active_streams_.end()) {
|
| - // NOTE: it may just be that the stream was cancelled.
|
| - LOG(WARNING) << "Received HEADERS for invalid stream " << stream_id;
|
| - return;
|
| - }
|
| -
|
| - SpdyStream* stream = it->second;
|
| - CHECK_EQ(stream->stream_id(), stream_id);
|
| -
|
| - stream->AddRawReceivedBytes(last_compressed_frame_len_);
|
| - last_compressed_frame_len_ = 0;
|
| -
|
| - if (it->second->IsReservedRemote()) {
|
| - DCHECK_EQ(SPDY_PUSH_STREAM, stream->type());
|
| - if (max_concurrent_pushed_streams_ &&
|
| - num_active_pushed_streams_ >= max_concurrent_pushed_streams_) {
|
| - ResetStream(stream_id, ERROR_CODE_REFUSED_STREAM,
|
| - "Stream concurrency limit reached.");
|
| - return;
|
| - }
|
| -
|
| - // Will be balanced in DeleteStream.
|
| - num_active_pushed_streams_++;
|
| - }
|
| -
|
| - base::Time response_time = base::Time::Now();
|
| - base::TimeTicks recv_first_byte_time = time_func_();
|
| - // May invalidate |stream|.
|
| - stream->OnHeadersReceived(headers, response_time, recv_first_byte_time);
|
| -}
|
| -
|
| -void SpdySession::OnAltSvc(
|
| - SpdyStreamId stream_id,
|
| - SpdyStringPiece origin,
|
| - const SpdyAltSvcWireFormat::AlternativeServiceVector& altsvc_vector) {
|
| - if (!is_secure_)
|
| - return;
|
| -
|
| - url::SchemeHostPort scheme_host_port;
|
| - if (stream_id == 0) {
|
| - if (origin.empty())
|
| - return;
|
| - const GURL gurl(origin);
|
| - if (!gurl.SchemeIs("https"))
|
| - return;
|
| - SSLInfo ssl_info;
|
| - if (!GetSSLInfo(&ssl_info))
|
| - return;
|
| - if (!CanPool(transport_security_state_, ssl_info, host_port_pair().host(),
|
| - gurl.host())) {
|
| - return;
|
| - }
|
| - scheme_host_port = url::SchemeHostPort(gurl);
|
| - } else {
|
| - if (!origin.empty())
|
| - return;
|
| - const ActiveStreamMap::iterator it = active_streams_.find(stream_id);
|
| - if (it == active_streams_.end())
|
| - return;
|
| - const GURL& gurl(it->second->url());
|
| - if (!gurl.SchemeIs("https"))
|
| - return;
|
| - scheme_host_port = url::SchemeHostPort(gurl);
|
| - }
|
| -
|
| - AlternativeServiceInfoVector alternative_service_info_vector;
|
| - alternative_service_info_vector.reserve(altsvc_vector.size());
|
| - const base::Time now(base::Time::Now());
|
| - for (const SpdyAltSvcWireFormat::AlternativeService& altsvc : altsvc_vector) {
|
| - const NextProto protocol = NextProtoFromString(altsvc.protocol_id);
|
| - if (protocol == kProtoUnknown)
|
| - continue;
|
| - const AlternativeService alternative_service(protocol, altsvc.host,
|
| - altsvc.port);
|
| - const base::Time expiration =
|
| - now + base::TimeDelta::FromSeconds(altsvc.max_age);
|
| - alternative_service_info_vector.push_back(
|
| - AlternativeServiceInfo(alternative_service, expiration));
|
| - }
|
| - http_server_properties_->SetAlternativeServices(
|
| - scheme_host_port, alternative_service_info_vector);
|
| -}
|
| -
|
| -bool SpdySession::OnUnknownFrame(SpdyStreamId stream_id, uint8_t frame_type) {
|
| - // Validate stream id.
|
| - // Was the frame sent on a stream id that has not been used in this session?
|
| - if (stream_id % 2 == 1 && stream_id > stream_hi_water_mark_)
|
| - return false;
|
| -
|
| - if (stream_id % 2 == 0 && stream_id > last_accepted_push_stream_id_)
|
| - return false;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -void SpdySession::OnSendCompressedFrame(SpdyStreamId stream_id,
|
| - SpdyFrameType type,
|
| - size_t payload_len,
|
| - size_t frame_len) {
|
| - if (type != SpdyFrameType::HEADERS) {
|
| - return;
|
| - }
|
| -
|
| - DCHECK(buffered_spdy_framer_.get());
|
| - size_t compressed_len =
|
| - frame_len - buffered_spdy_framer_->GetFrameMinimumSize();
|
| -
|
| - if (payload_len) {
|
| - // Make sure we avoid early decimal truncation.
|
| - int compression_pct = 100 - (100 * compressed_len) / payload_len;
|
| - UMA_HISTOGRAM_PERCENTAGE("Net.SpdyHeadersCompressionPercentage",
|
| - compression_pct);
|
| - }
|
| -}
|
| -
|
| -void SpdySession::OnReceiveCompressedFrame(SpdyStreamId stream_id,
|
| - SpdyFrameType type,
|
| - size_t frame_len) {
|
| - last_compressed_frame_len_ = frame_len;
|
| -}
|
| -
|
| -void SpdySession::OnWriteBufferConsumed(
|
| - size_t frame_payload_size,
|
| - size_t consume_size,
|
| - SpdyBuffer::ConsumeSource consume_source) {
|
| - // We can be called with |in_io_loop_| set if a write SpdyBuffer is
|
| - // deleted (e.g., a stream is closed due to incoming data).
|
| - if (consume_source == SpdyBuffer::DISCARD) {
|
| - // If we're discarding a frame or part of it, increase the send
|
| - // window by the number of discarded bytes. (Although if we're
|
| - // discarding part of a frame, it's probably because of a write
|
| - // error and we'll be tearing down the session soon.)
|
| - int remaining_payload_bytes = std::min(consume_size, frame_payload_size);
|
| - DCHECK_GT(remaining_payload_bytes, 0);
|
| - IncreaseSendWindowSize(remaining_payload_bytes);
|
| - }
|
| - // For consumed bytes, the send window is increased when we receive
|
| - // a WINDOW_UPDATE frame.
|
| -}
|
| -
|
| -void SpdySession::IncreaseSendWindowSize(int delta_window_size) {
|
| - // We can be called with |in_io_loop_| set if a SpdyBuffer is
|
| - // deleted (e.g., a stream is closed due to incoming data).
|
| - DCHECK_GE(delta_window_size, 1);
|
| -
|
| - // Check for overflow.
|
| - int32_t max_delta_window_size =
|
| - std::numeric_limits<int32_t>::max() - session_send_window_size_;
|
| - if (delta_window_size > max_delta_window_size) {
|
| - RecordProtocolErrorHistogram(PROTOCOL_ERROR_INVALID_WINDOW_UPDATE_SIZE);
|
| - DoDrainSession(
|
| - ERR_SPDY_PROTOCOL_ERROR,
|
| - "Received WINDOW_UPDATE [delta: " +
|
| - base::IntToString(delta_window_size) +
|
| - "] for session overflows session_send_window_size_ [current: " +
|
| - base::IntToString(session_send_window_size_) + "]");
|
| - return;
|
| - }
|
| -
|
| - session_send_window_size_ += delta_window_size;
|
| -
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_UPDATE_SEND_WINDOW,
|
| - base::Bind(&NetLogSpdySessionWindowUpdateCallback,
|
| - delta_window_size, session_send_window_size_));
|
| -
|
| - DCHECK(!IsSendStalled());
|
| - ResumeSendStalledStreams();
|
| -}
|
| -
|
| -void SpdySession::DecreaseSendWindowSize(int32_t delta_window_size) {
|
| - // We only call this method when sending a frame. Therefore,
|
| - // |delta_window_size| should be within the valid frame size range.
|
| - DCHECK_GE(delta_window_size, 1);
|
| - DCHECK_LE(delta_window_size, kMaxSpdyFrameChunkSize);
|
| -
|
| - // |send_window_size_| should have been at least |delta_window_size| for
|
| - // this call to happen.
|
| - DCHECK_GE(session_send_window_size_, delta_window_size);
|
| -
|
| - session_send_window_size_ -= delta_window_size;
|
| -
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_UPDATE_SEND_WINDOW,
|
| - base::Bind(&NetLogSpdySessionWindowUpdateCallback,
|
| - -delta_window_size, session_send_window_size_));
|
| -}
|
| -
|
| -void SpdySession::OnReadBufferConsumed(
|
| - size_t consume_size,
|
| - SpdyBuffer::ConsumeSource consume_source) {
|
| - // We can be called with |in_io_loop_| set if a read SpdyBuffer is
|
| - // deleted (e.g., discarded by a SpdyReadQueue).
|
| - DCHECK_GE(consume_size, 1u);
|
| - DCHECK_LE(consume_size,
|
| - static_cast<size_t>(std::numeric_limits<int32_t>::max()));
|
| -
|
| - IncreaseRecvWindowSize(static_cast<int32_t>(consume_size));
|
| -}
|
| -
|
| -void SpdySession::IncreaseRecvWindowSize(int32_t delta_window_size) {
|
| - DCHECK_GE(session_unacked_recv_window_bytes_, 0);
|
| - DCHECK_GE(session_recv_window_size_, session_unacked_recv_window_bytes_);
|
| - DCHECK_GE(delta_window_size, 1);
|
| - // Check for overflow.
|
| - DCHECK_LE(delta_window_size,
|
| - std::numeric_limits<int32_t>::max() - session_recv_window_size_);
|
| -
|
| - session_recv_window_size_ += delta_window_size;
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_STREAM_UPDATE_RECV_WINDOW,
|
| - base::Bind(&NetLogSpdySessionWindowUpdateCallback,
|
| - delta_window_size, session_recv_window_size_));
|
| -
|
| - session_unacked_recv_window_bytes_ += delta_window_size;
|
| - if (session_unacked_recv_window_bytes_ > session_max_recv_window_size_ / 2) {
|
| - SendWindowUpdateFrame(kSessionFlowControlStreamId,
|
| - session_unacked_recv_window_bytes_, HIGHEST);
|
| - session_unacked_recv_window_bytes_ = 0;
|
| - }
|
| -}
|
| -
|
| -void SpdySession::DecreaseRecvWindowSize(int32_t delta_window_size) {
|
| - CHECK(in_io_loop_);
|
| - DCHECK_GE(delta_window_size, 1);
|
| -
|
| - // The receiving window size as the peer knows it is
|
| - // |session_recv_window_size_ - session_unacked_recv_window_bytes_|, if more
|
| - // data are sent by the peer, that means that the receive window is not being
|
| - // respected.
|
| - if (delta_window_size >
|
| - session_recv_window_size_ - session_unacked_recv_window_bytes_) {
|
| - RecordProtocolErrorHistogram(PROTOCOL_ERROR_RECEIVE_WINDOW_VIOLATION);
|
| - DoDrainSession(
|
| - ERR_SPDY_FLOW_CONTROL_ERROR,
|
| - "delta_window_size is " + base::IntToString(delta_window_size) +
|
| - " in DecreaseRecvWindowSize, which is larger than the receive " +
|
| - "window size of " + base::IntToString(session_recv_window_size_));
|
| - return;
|
| - }
|
| -
|
| - session_recv_window_size_ -= delta_window_size;
|
| - net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_UPDATE_RECV_WINDOW,
|
| - base::Bind(&NetLogSpdySessionWindowUpdateCallback,
|
| - -delta_window_size, session_recv_window_size_));
|
| -}
|
| -
|
| -void SpdySession::QueueSendStalledStream(const SpdyStream& stream) {
|
| - DCHECK(stream.send_stalled_by_flow_control());
|
| - RequestPriority priority = stream.priority();
|
| - CHECK_GE(priority, MINIMUM_PRIORITY);
|
| - CHECK_LE(priority, MAXIMUM_PRIORITY);
|
| - stream_send_unstall_queue_[priority].push_back(stream.stream_id());
|
| -}
|
| -
|
| -void SpdySession::ResumeSendStalledStreams() {
|
| - // We don't have to worry about new streams being queued, since
|
| - // doing so would cause IsSendStalled() to return true. But we do
|
| - // have to worry about streams being closed, as well as ourselves
|
| - // being closed.
|
| -
|
| - while (!IsSendStalled()) {
|
| - size_t old_size = 0;
|
| -#if DCHECK_IS_ON()
|
| - old_size = GetTotalSize(stream_send_unstall_queue_);
|
| -#endif
|
| -
|
| - SpdyStreamId stream_id = PopStreamToPossiblyResume();
|
| - if (stream_id == 0)
|
| - break;
|
| - ActiveStreamMap::const_iterator it = active_streams_.find(stream_id);
|
| - // The stream may actually still be send-stalled after this (due
|
| - // to its own send window) but that's okay -- it'll then be
|
| - // resumed once its send window increases.
|
| - if (it != active_streams_.end())
|
| - it->second->PossiblyResumeIfSendStalled();
|
| -
|
| - // The size should decrease unless we got send-stalled again.
|
| - if (!IsSendStalled())
|
| - DCHECK_LT(GetTotalSize(stream_send_unstall_queue_), old_size);
|
| - }
|
| -}
|
| -
|
| -SpdyStreamId SpdySession::PopStreamToPossiblyResume() {
|
| - for (int i = MAXIMUM_PRIORITY; i >= MINIMUM_PRIORITY; --i) {
|
| - std::deque<SpdyStreamId>* queue = &stream_send_unstall_queue_[i];
|
| - if (!queue->empty()) {
|
| - SpdyStreamId stream_id = queue->front();
|
| - queue->pop_front();
|
| - return stream_id;
|
| - }
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -} // namespace net
|
|
|
Chromium Code Reviews
Issue 2832973003:
Split net/spdy into core and chromium subdirectories. (Closed)
