Basic HTTP pipelining support

net/http/http_pipelined_stream.cc

+// Copyright (c) 2011 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/http/http_pipelined_stream.h"
+
+#include "base/logging.h"
+#include "base/stringprintf.h"
+#include "net/base/net_errors.h"
+#include "net/http/http_pipelined_connection_impl.h"
+#include "net/http/http_request_headers.h"
+#include "net/http/http_request_info.h"
+#include "net/http/http_util.h"
+
+namespace net {
+
+HttpPipelinedStream::HttpPipelinedStream(HttpPipelinedConnectionImpl* pipeline,
+                                         int pipeline_id)
+    : pipeline_(pipeline),
+      pipeline_id_(pipeline_id),
+      request_info_(NULL) {
+}
+
+HttpPipelinedStream::~HttpPipelinedStream() {
+  pipeline_->OnStreamDeleted(pipeline_id_);
+}
+
+int HttpPipelinedStream::InitializeStream(const HttpRequestInfo* request_info,
+                                          const BoundNetLog& net_log,
+                                          OldCompletionCallback* callback) {
+  request_info_ = request_info;
+  pipeline_->InitializeParser(pipeline_id_, request_info, net_log);
+  return OK;
+}
+
+
+int HttpPipelinedStream::SendRequest(const HttpRequestHeaders& headers,
+                                     UploadDataStream* request_body,
+                                     HttpResponseInfo* response,
+                                     OldCompletionCallback* callback) {
+  CHECK(pipeline_id_);
+  CHECK(request_info_);
+  // TODO(simonjam): Proxy support will be needed here.
+  const std::string path = HttpUtil::PathForRequest(request_info_->url);
+  std::string request_line_ = base::StringPrintf("%s %s HTTP/1.1\r\n",
+                                                 request_info_->method.c_str(),
+                                                 path.c_str());
+  return pipeline_->SendRequest(pipeline_id_, request_line_, headers,
+                                request_body, response, callback);
+}
+
+uint64 HttpPipelinedStream::GetUploadProgress() const {
+  return pipeline_->GetUploadProgress(pipeline_id_);
+}
+
+int HttpPipelinedStream::ReadResponseHeaders(OldCompletionCallback* callback) {
+  return pipeline_->ReadResponseHeaders(pipeline_id_, callback);
+}
+
+const HttpResponseInfo* HttpPipelinedStream::GetResponseInfo() const {
+  return pipeline_->GetResponseInfo(pipeline_id_);
+}
+
+int HttpPipelinedStream::ReadResponseBody(IOBuffer* buf, int buf_len,
+                                          OldCompletionCallback* callback) {
+  return pipeline_->ReadResponseBody(pipeline_id_, buf, buf_len, callback);
+}
+
+void HttpPipelinedStream::Close(bool not_reusable) {
+  pipeline_->Close(pipeline_id_, not_reusable);
+}
+
+HttpStream* HttpPipelinedStream::RenewStreamForAuth() {
+  // FIXME: What does this mean on a pipeline? Is it for proxies?
+  return new HttpPipelinedStream(pipeline_, pipeline_id_);
+}
+
+bool HttpPipelinedStream::IsResponseBodyComplete() const {
+  return pipeline_->IsResponseBodyComplete(pipeline_id_);
+}
+
+bool HttpPipelinedStream::CanFindEndOfResponse() const {
+  return pipeline_->CanFindEndOfResponse(pipeline_id_);
+}
+
+bool HttpPipelinedStream::IsMoreDataBuffered() const {
+  return pipeline_->IsMoreDataBuffered(pipeline_id_);
+}
+
+bool HttpPipelinedStream::IsConnectionReused() const {
+  return pipeline_->IsConnectionReused(pipeline_id_);
+}
+
+void HttpPipelinedStream::SetConnectionReused() {
+  pipeline_->SetConnectionReused(pipeline_id_);
+}
+
+bool HttpPipelinedStream::IsConnectionReusable() const {
+  return pipeline_->usable();
+}
+
+void HttpPipelinedStream::GetSSLInfo(SSLInfo* ssl_info) {
+  pipeline_->GetSSLInfo(pipeline_id_, ssl_info);
+}
+
+void HttpPipelinedStream::GetSSLCertRequestInfo(
+    SSLCertRequestInfo* cert_request_info) {
+  pipeline_->GetSSLCertRequestInfo(pipeline_id_, cert_request_info);
+}
+
+bool HttpPipelinedStream::IsSpdyHttpStream() const {
+  return false;
+}
+
+void HttpPipelinedStream::LogNumRttVsBytesMetrics() const {
+  // TODO(simonjam): I don't want to copy & paste this from http_basic_stream.
+}
+
+void HttpPipelinedStream::Drain(HttpNetworkSession*) {
+  // On errors, we already evict everything from the pipeline and close it.
+  // TODO(simonjam): Consider trying to drain the pipeline in the same way that
+  // HttpBasicStream does.
+  delete this;
+}
+
+const SSLConfig& HttpPipelinedStream::used_ssl_config() const {
+  return pipeline_->used_ssl_config();
+}
+
+const ProxyInfo& HttpPipelinedStream::used_proxy_info() const {
+  return pipeline_->used_proxy_info();
+}
+
+const NetLog::Source& HttpPipelinedStream::source() const {
+  return pipeline_->source();
+}
+
+bool HttpPipelinedStream::was_npn_negotiated() const {
+  return pipeline_->was_npn_negotiated();
+}
+
+}  // namespace net