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| 1 // Copyright (c) 2011 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/http/http_pipelined_host.h" |
| 6 |
| 7 #include "base/stl_util-inl.h" |
| 8 #include "net/http/http_pipelined_connection.h" |
| 9 #include "net/http/http_pipelined_host_pool.h" |
| 10 #include "net/http/http_pipelined_stream.h" |
| 11 |
| 12 namespace net { |
| 13 |
| 14 HttpPipelinedHost::HttpPipelinedHost(HttpPipelinedHostPool* pool, |
| 15 const HostPortPair& origin) |
| 16 : pool_(pool), |
| 17 origin_(origin) { |
| 18 } |
| 19 |
| 20 HttpPipelinedHost::~HttpPipelinedHost() { |
| 21 DCHECK(pipelines_.empty()); |
| 22 } |
| 23 |
| 24 HttpPipelinedConnection* HttpPipelinedHost::CreateNewPipeline( |
| 25 ClientSocketHandle* connection, |
| 26 const SSLConfig& used_ssl_config, |
| 27 const ProxyInfo& used_proxy_info, |
| 28 const BoundNetLog& net_log, |
| 29 bool was_npn_negotiated) { |
| 30 HttpPipelinedConnection* pipeline = new HttpPipelinedConnection( |
| 31 connection, this, used_ssl_config, used_proxy_info, net_log, |
| 32 was_npn_negotiated); |
| 33 pipelines_.insert(pipeline); |
| 34 return pipeline; |
| 35 } |
| 36 |
| 37 HttpPipelinedConnection* HttpPipelinedHost::FindAvailablePipeline() { |
| 38 HttpPipelinedConnection* available_pipeline = NULL; |
| 39 for (std::set<HttpPipelinedConnection*>::iterator it = pipelines_.begin(); |
| 40 it != pipelines_.end(); ++it) { |
| 41 if ((*it)->usable() && |
| 42 (*it)->active() && |
| 43 (*it)->depth() < max_pipeline_depth() && |
| 44 (!available_pipeline || (*it)->depth() < available_pipeline->depth())) { |
| 45 available_pipeline = *it; |
| 46 } |
| 47 } |
| 48 return available_pipeline; |
| 49 } |
| 50 |
| 51 void HttpPipelinedHost::OnPipelineEmpty(HttpPipelinedConnection* pipeline) { |
| 52 DCHECK(ContainsKey(pipelines_, pipeline)); |
| 53 pipelines_.erase(pipeline); |
| 54 delete pipeline; |
| 55 if (pipelines_.empty()) { |
| 56 pool_->OnHostIdle(this); |
| 57 // WARNING: We'll probably be deleted here. |
| 58 } |
| 59 } |
| 60 |
| 61 void HttpPipelinedHost::OnPipelineHasCapacity( |
| 62 HttpPipelinedConnection* pipeline) { |
| 63 if (pipeline->usable() && pipeline->depth() < max_pipeline_depth()) { |
| 64 pool_->OnHostHasAdditionalCapacity(this); |
| 65 } |
| 66 if (!pipeline->depth()) { |
| 67 OnPipelineEmpty(pipeline); |
| 68 // WARNING: We'll probably be deleted here. |
| 69 } |
| 70 } |
| 71 |
| 72 } // namespace net |
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