Treat ERR_CONNECTION_CLOSED as end-of-data marker for downloads.

net/http/http_stream_parser.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_stream_parser.h"
 
 #include "base/compiler_specific.h"
 #include "base/metrics/histogram.h"
 #include "base/stringprintf.h"
 #include "base/string_util.h"
 #include "net/base/address_list.h"
 #include "net/base/auth.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ssl_cert_request_info.h"
 #include "net/http/http_net_log_params.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_request_info.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/socket/client_socket_handle.h"
 
+namespace {
+
+std::string GetResponseHeaderLines(const net::HttpResponseHeaders& headers) {
+  std::string raw_headers = headers.raw_headers();
+  const char* null_separated_headers = raw_headers.c_str();
+  const char* header_line = null_separated_headers;
+  std::string cr_separated_headers;
+  while (header_line[0] != 0) {
+    cr_separated_headers += header_line;
+    cr_separated_headers += "\n";
+    header_line += strlen(header_line) + 1;
+  }
+  return cr_separated_headers;
+}
+
+}  // namespace
+
 namespace net {
 
 HttpStreamParser::HttpStreamParser(ClientSocketHandle* connection,
                                    const HttpRequestInfo* request,
                                    GrowableIOBuffer* read_buffer,
                                    const BoundNetLog& net_log)
     : io_state_(STATE_NONE),
       request_(request),
       request_headers_(NULL),
       request_body_(NULL),
@@ skipping 30 matching lines @@
   DCHECK(!user_callback_);
   DCHECK(callback);
   DCHECK(response);
 
   if (net_log_.IsLoggingAllEvents()) {
     net_log_.AddEvent(
         NetLog::TYPE_HTTP_TRANSACTION_SEND_REQUEST_HEADERS,
         make_scoped_refptr(new NetLogHttpRequestParameter(
             request_line, headers)));
   }
+  DVLOG(1) << __FUNCTION__ << "()"
+           << " request_line = \"" << request_line << "\""
+           << " headers = \"" << headers.ToString() << "\"";
   response_ = response;
 
   // Put the peer's IP address and port into the response.
   AddressList address;
   int result = connection_->socket()->GetPeerAddress(&address);
   if (result != OK)
     return result;
   response_->socket_address = HostPortPair::FromAddrInfo(address.head());
 
   std::string request = request_line + headers.ToString();
@@ skipping 530 matching lines @@
     std::string content_length_value2;
     while (headers->EnumerateHeader(
         &it, content_length_header, &content_length_value2)) {
       if (content_length_value != content_length_value2)
         return ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_LENGTH;
     }
   }
 
   response_->headers = headers;
   response_->vary_data.Init(*request_, *response_->headers);
+  DVLOG(1) << __FUNCTION__ << "()"
+           << " content_length = \""
+           << response_->headers->GetContentLength() << "\n\""
+           << " headers = \"" << GetResponseHeaderLines(*response_->headers)
+           << "\"";
   return OK;
 }
 
 void HttpStreamParser::CalculateResponseBodySize() {
   // Figure how to determine EOF:
 
   // For certain responses, we know the content length is always 0. From
   // RFC 2616 Section 4.3 Message Body:
   //
   // For response messages, whether or not a message-body is included with
@@ skipping 83 matching lines @@
 void HttpStreamParser::GetSSLCertRequestInfo(
     SSLCertRequestInfo* cert_request_info) {
   if (request_->url.SchemeIs("https") && connection_->socket()) {
     SSLClientSocket* ssl_socket =
         static_cast<SSLClientSocket*>(connection_->socket());
     ssl_socket->GetSSLCertRequestInfo(cert_request_info);
   }
 }
 
 }  // namespace net