net/tools/quic/quic_client_session.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/tools/quic/quic_client_session.h"
   6
   7 #include "base/logging.h"
   8 #include "net/quic/crypto/crypto_protocol.h"
   9 #include "net/quic/crypto/proof_verifier_chromium.h"
  10 #include "net/quic/quic_server_id.h"
  11 #include "net/tools/quic/quic_spdy_client_stream.h"
  12
  13 using std::string;
  14
  15 namespace net {
  16 namespace tools {
  17
  18 QuicClientSession::QuicClientSession(const QuicConfig& config,
  19                                      QuicConnection* connection,
  20                                      const QuicServerId& server_id,
  21                                      QuicCryptoClientConfig* crypto_config)
  22     : QuicClientSessionBase(connection, config),
  23       crypto_stream_(new QuicCryptoClientStream(
  24           server_id,
  25           this,
  26           new ProofVerifyContextChromium(0, BoundNetLog()),
  27           crypto_config)),
  28       respect_goaway_(true) {
  29 }
  30
  31 QuicClientSession::~QuicClientSession() {
  32 }
  33
  34 void QuicClientSession::OnProofValid(
  35     const QuicCryptoClientConfig::CachedState& /*cached*/) {}
  36
  37 void QuicClientSession::OnProofVerifyDetailsAvailable(
  38     const ProofVerifyDetails& /*verify_details*/) {}
  39
  40 QuicSpdyClientStream* QuicClientSession::CreateOutgoingDynamicStream() {
  41   if (!crypto_stream_->encryption_established()) {
  42     DVLOG(1) << "Encryption not active so no outgoing stream created.";
  43     return nullptr;
  44   }
  45   if (GetNumOpenStreams() >= get_max_open_streams()) {
  46     DVLOG(1) << "Failed to create a new outgoing stream. "
  47              << "Already " << GetNumOpenStreams() << " open.";
  48     return nullptr;
  49   }
  50   if (goaway_received() && respect_goaway_) {
  51     DVLOG(1) << "Failed to create a new outgoing stream. "
  52              << "Already received goaway.";
  53     return nullptr;
  54   }
  55   QuicSpdyClientStream* stream = CreateClientStream();
  56   ActivateStream(stream);
  57   return stream;
  58 }
  59
  60 QuicSpdyClientStream* QuicClientSession::CreateClientStream() {
  61   return new QuicSpdyClientStream(GetNextStreamId(), this);
  62 }
  63
  64 QuicCryptoClientStream* QuicClientSession::GetCryptoStream() {
  65   return crypto_stream_.get();
  66 }
  67
  68 void QuicClientSession::CryptoConnect() {
  69   DCHECK(flow_controller());
  70   crypto_stream_->CryptoConnect();
  71 }
  72
  73 int QuicClientSession::GetNumSentClientHellos() const {
  74   return crypto_stream_->num_sent_client_hellos();
  75 }
  76
  77 QuicDataStream* QuicClientSession::CreateIncomingDynamicStream(
  78     QuicStreamId id) {
  79   DLOG(ERROR) << "Server push not supported";
  80   return nullptr;
  81 }
  82
  83 }  // namespace tools
  84 }  // namespace net