spawner_communicator.cc revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#include "net/test/spawned_test_server/spawner_communicator.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/json/json_reader.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 9868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/stringprintf.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/supports_user_data.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/test/test_timeouts.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/time.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "googleurl/src/gurl.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_util.h" 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/base/upload_bytes_element_reader.h" 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "net/base/upload_data_stream.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/http/http_response_headers.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/url_request/url_request_test_util.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GURL GenerateSpawnerCommandURL(const std::string& command, uint16 port) { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Always performs HTTP request for sending command to the spawner server. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GURL(base::StringPrintf("%s:%u/%s", "http://127.0.0.1", port, 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) command.c_str())); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int kBufferSize = 2048; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A class to hold all data needed to send a command to spawner server. 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SpawnerRequestData : public base::SupportsUserData::Data { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SpawnerRequestData(int id, int* result_code, std::string* data_received) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : request_id_(id), 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) buf_(new IOBuffer(kBufferSize)), 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result_code_(result_code), 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_received_(data_received), 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) response_started_count_(0) { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(result_code); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *result_code_ = OK; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(data_received); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_received_->clear(); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~SpawnerRequestData() {} 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool DoesRequestIdMatch(int request_id) const { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return request_id_ == request_id; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IOBuffer* buf() const { return buf_.get(); } 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsResultOK() const { return *result_code_ == OK; } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ClearReceivedData() { data_received_->clear(); } 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void SetResultCode(int result_code) { *result_code_ = result_code; } 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void IncreaseResponseStartedCount() { response_started_count_++; } 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int response_started_count() const { return response_started_count_; } 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Write data read from URLRequest::Read() to |data_received_|. Returns true 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // if |num_bytes| is great than 0. |num_bytes| is 0 for EOF, < 0 on errors. 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool ConsumeBytesRead(int num_bytes) { 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Error while reading, or EOF. 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (num_bytes <= 0) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_received_->append(buf_->data(), num_bytes); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Unique ID for the current request. 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int request_id_; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Buffer that URLRequest writes into. 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<IOBuffer> buf_; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Holds the error condition that was hit on the current request, or OK. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int* result_code_; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Data received from server; 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* data_received_; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Used to track how many times the OnResponseStarted get called after 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // sending a command to spawner server. 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int response_started_count_; 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(SpawnerRequestData); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SpawnerCommunicator::SpawnerCommunicator(uint16 port) 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : io_thread_("spawner_communicator"), 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_(false, false), 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) port_(port), 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) next_id_(0), 105c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) weak_factory_(this), 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_running_(false) {} 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SpawnerCommunicator::~SpawnerCommunicator() { 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!is_running_); 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::WaitForResponse() { 11390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) DCHECK_NE(base::MessageLoop::current(), io_thread_.message_loop()); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_.Wait(); 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_.Reset(); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::StartIOThread() { 11990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) DCHECK_NE(base::MessageLoop::current(), io_thread_.message_loop()); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (is_running_) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) allowed_port_.reset(new ScopedPortException(port_)); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Thread::Options options; 12590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) options.message_loop_type = base::MessageLoop::TYPE_IO; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_running_ = io_thread_.StartWithOptions(options); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(is_running_); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::Shutdown() { 13190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) DCHECK_NE(base::MessageLoop::current(), io_thread_.message_loop()); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(is_running_); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The request and its context should be created and destroyed only on the 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // IO thread. 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!cur_request_.get()); 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!context_.get()); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_running_ = false; 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) io_thread_.Stop(); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) allowed_port_.reset(); 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::SendCommandAndWaitForResult( 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& command, 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& post_data, 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int* result_code, 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* data_received) { 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!result_code || !data_received) 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Start the communicator thread to talk to test server spawner. 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartIOThread(); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(io_thread_.message_loop()); 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Since the method will be blocked until SpawnerCommunicator gets result 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // from the spawner server or timed-out. It's safe to use base::Unretained 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when using base::Bind. 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) io_thread_.message_loop()->PostTask(FROM_HERE, base::Bind( 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &SpawnerCommunicator::SendCommandAndWaitForResultOnIOThread, 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(this), command, post_data, result_code, data_received)); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WaitForResponse(); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::SendCommandAndWaitForResultOnIOThread( 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& command, 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& post_data, 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int* result_code, 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string* data_received) { 16790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) base::MessageLoop* loop = io_thread_.message_loop(); 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(loop); 16990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) DCHECK_EQ(base::MessageLoop::current(), loop); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prepare the URLRequest for sending the command. 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!cur_request_.get()); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) context_.reset(new TestURLRequestContext); 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_.reset(context_->CreateRequest( 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GenerateSpawnerCommandURL(command, port_), this)); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(cur_request_.get()); 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_request_id = ++next_id_; 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SpawnerRequestData* data = new SpawnerRequestData(current_request_id, 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result_code, 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_received); 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(data); 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_->SetUserData(this, data); 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (post_data.empty()) { 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_->set_method("GET"); 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_->set_method("POST"); 1882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<UploadElementReader> reader( 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UploadOwnedBytesElementReader::CreateWithString(post_data)); 1902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) cur_request_->set_upload(make_scoped_ptr( 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UploadDataStream::CreateWithReader(reader.Pass(), 0))); 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) net::HttpRequestHeaders headers; 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) headers.SetHeader(net::HttpRequestHeaders::kContentType, 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "application/json"); 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_->SetExtraRequestHeaders(headers); 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Post a task to timeout this request if it takes too long. 19990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) base::MessageLoop::current()->PostDelayedTask( 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 20190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) base::Bind(&SpawnerCommunicator::OnTimeout, 20290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) weak_factory_.GetWeakPtr(), 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_request_id), 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestTimeouts::action_max_timeout()); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Start the request. 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_->Start(); 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::OnTimeout(int id) { 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Timeout tasks may outlive the URLRequest they reference. Make sure it 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is still applicable. 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!cur_request_.get()) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SpawnerRequestData* data = 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<SpawnerRequestData*>(cur_request_->GetUserData(this)); 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(data); 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!data->DoesRequestIdMatch(id)) 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Set the result code and cancel the timed-out task. 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->SetResultCode(ERR_TIMED_OUT); 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_->Cancel(); 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnSpawnerCommandCompleted(cur_request_.get()); 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::OnSpawnerCommandCompleted(URLRequest* request) { 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!cur_request_.get()) 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(request, cur_request_.get()); 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SpawnerRequestData* data = 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<SpawnerRequestData*>(cur_request_->GetUserData(this)); 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(data); 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If request is faild,return the error code. 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!cur_request_->status().is_success()) 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->SetResultCode(cur_request_->status().error()); 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!data->IsResultOK()) { 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "request failed, status: " 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << static_cast<int>(request->status().status()) 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << ", error: " << request->status().error(); 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Clear the buffer of received data if any net error happened. 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->ClearReceivedData(); 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(1, data->response_started_count()); 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Clear current request to indicate the completion of sending a command 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to spawner server and getting the result. 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cur_request_.reset(); 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) context_.reset(); 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Invalidate the weak pointers on the IO thread. 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) weak_factory_.InvalidateWeakPtrs(); 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Wakeup the caller in user thread. 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) event_.Signal(); 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::ReadResult(URLRequest* request) { 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(request, cur_request_.get()); 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SpawnerRequestData* data = 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<SpawnerRequestData*>(cur_request_->GetUserData(this)); 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(data); 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IOBuffer* buf = data->buf(); 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Read as many bytes as are available synchronously. 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (true) { 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int num_bytes; 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!request->Read(buf, kBufferSize, &num_bytes)) { 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check whether the read failed synchronously. 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!request->status().is_io_pending()) 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnSpawnerCommandCompleted(request); 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!data->ConsumeBytesRead(num_bytes)) { 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnSpawnerCommandCompleted(request); 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::OnResponseStarted(URLRequest* request) { 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(request, cur_request_.get()); 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SpawnerRequestData* data = 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<SpawnerRequestData*>(cur_request_->GetUserData(this)); 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(data); 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->IncreaseResponseStartedCount(); 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!request->status().is_success()) { 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnSpawnerCommandCompleted(request); 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Require HTTP responses to have a success status code. 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (request->GetResponseCode() != 200) { 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Spawner server returned bad status: " 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << request->response_headers()->GetStatusLine(); 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data->SetResultCode(ERR_FAILED); 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) request->Cancel(); 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnSpawnerCommandCompleted(request); 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReadResult(request); 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SpawnerCommunicator::OnReadCompleted(URLRequest* request, int num_bytes) { 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!cur_request_.get()) 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(request, cur_request_.get()); 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SpawnerRequestData* data = 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<SpawnerRequestData*>(cur_request_->GetUserData(this)); 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(data); 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (data->ConsumeBytesRead(num_bytes)) { 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Keep reading. 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReadResult(request); 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnSpawnerCommandCompleted(request); 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool SpawnerCommunicator::StartServer(const std::string& arguments, 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint16* port) { 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *port = 0; 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Send the start command to spawner server to start the Python test server 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // on remote machine. 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string server_return_data; 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int result_code; 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendCommandAndWaitForResult("start", arguments, &result_code, 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &server_return_data); 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (OK != result_code || server_return_data.empty()) 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check whether the data returned from spawner server is JSON-formatted. 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::Value> value(base::JSONReader::Read(server_return_data)); 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!value.get() || !value->IsType(base::Value::TYPE_DICTIONARY)) { 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Invalid server data: " << server_return_data.c_str(); 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check whether spawner server returns valid data. 3457d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) base::DictionaryValue* server_data = 3467d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static_cast<base::DictionaryValue*>(value.get()); 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string message; 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!server_data->GetString("message", &message) || message != "started") { 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Invalid message in server data: "; 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int int_port; 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!server_data->GetInteger("port", &int_port) || int_port <= 0 || 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int_port > kuint16max) { 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "Invalid port value: " << int_port; 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *port = static_cast<uint16>(int_port); 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool SpawnerCommunicator::StopServer() { 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // It's OK to stop the SpawnerCommunicator without starting it. Some tests 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have test server on their test fixture but do not actually use it. 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!is_running_) 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When the test is done, ask the test server spawner to kill the test server 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // on the remote machine. 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string server_return_data; 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int result_code; 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendCommandAndWaitForResult("kill", "", &result_code, &server_return_data); 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Shutdown(); 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (OK != result_code || server_return_data != "killed") 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 380