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// Copyright 2013 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/websockets/websocket_test_util.h"
#include <algorithm>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/scoped_vector.h"
#include "base/stl_util.h"
#include "base/strings/stringprintf.h"
#include "net/socket/socket_test_util.h"
namespace net {
namespace {
const uint64 kA =
(static_cast<uint64>(0x5851f42d) << 32) + static_cast<uint64>(0x4c957f2d);
const uint64 kC = 12345;
const uint64 kM = static_cast<uint64>(1) << 48;
} // namespace
LinearCongruentialGenerator::LinearCongruentialGenerator(uint32 seed)
: current_(seed) {}
uint32 LinearCongruentialGenerator::Generate() {
uint64 result = current_;
current_ = (current_ * kA + kC) % kM;
return static_cast<uint32>(result >> 16);
}
std::string WebSocketStandardRequest(const std::string& path,
const std::string& origin,
const std::string& extra_headers) {
// Unrelated changes in net/http may change the order and default-values of
// HTTP headers, causing WebSocket tests to fail. It is safe to update this
// string in that case.
return base::StringPrintf(
"GET %s HTTP/1.1\r\n"
"Host: localhost\r\n"
"Connection: Upgrade\r\n"
"Pragma: no-cache\r\n"
"Cache-Control: no-cache\r\n"
"Upgrade: websocket\r\n"
"Origin: %s\r\n"
"Sec-WebSocket-Version: 13\r\n"
"User-Agent:\r\n"
"Accept-Encoding: gzip,deflate\r\n"
"Accept-Language: en-us,fr\r\n"
"Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n"
"Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits\r\n"
"%s\r\n",
path.c_str(),
origin.c_str(),
extra_headers.c_str());
}
std::string WebSocketStandardResponse(const std::string& extra_headers) {
return base::StringPrintf(
"HTTP/1.1 101 Switching Protocols\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n"
"%s\r\n",
extra_headers.c_str());
}
struct WebSocketDeterministicMockClientSocketFactoryMaker::Detail {
std::string expect_written;
std::string return_to_read;
std::vector<MockRead> reads;
MockWrite write;
ScopedVector<DeterministicSocketData> socket_data_vector;
ScopedVector<SSLSocketDataProvider> ssl_socket_data_vector;
DeterministicMockClientSocketFactory factory;
};
WebSocketDeterministicMockClientSocketFactoryMaker::
WebSocketDeterministicMockClientSocketFactoryMaker()
: detail_(new Detail) {}
WebSocketDeterministicMockClientSocketFactoryMaker::
~WebSocketDeterministicMockClientSocketFactoryMaker() {}
DeterministicMockClientSocketFactory*
WebSocketDeterministicMockClientSocketFactoryMaker::factory() {
return &detail_->factory;
}
void WebSocketDeterministicMockClientSocketFactoryMaker::SetExpectations(
const std::string& expect_written,
const std::string& return_to_read) {
const size_t kHttpStreamParserBufferSize = 4096;
// We need to extend the lifetime of these strings.
detail_->expect_written = expect_written;
detail_->return_to_read = return_to_read;
int sequence = 0;
detail_->write = MockWrite(SYNCHRONOUS,
detail_->expect_written.data(),
detail_->expect_written.size(),
sequence++);
// HttpStreamParser reads 4KB at a time. We need to take this implementation
// detail into account if |return_to_read| is big enough.
for (size_t place = 0; place < detail_->return_to_read.size();
place += kHttpStreamParserBufferSize) {
detail_->reads.push_back(
MockRead(SYNCHRONOUS, detail_->return_to_read.data() + place,
std::min(detail_->return_to_read.size() - place,
kHttpStreamParserBufferSize),
sequence++));
}
scoped_ptr<DeterministicSocketData> socket_data(
new DeterministicSocketData(vector_as_array(&detail_->reads),
detail_->reads.size(),
&detail_->write,
1));
socket_data->set_connect_data(MockConnect(SYNCHRONOUS, OK));
socket_data->SetStop(sequence);
AddRawExpectations(socket_data.Pass());
}
void WebSocketDeterministicMockClientSocketFactoryMaker::AddRawExpectations(
scoped_ptr<DeterministicSocketData> socket_data) {
detail_->factory.AddSocketDataProvider(socket_data.get());
detail_->socket_data_vector.push_back(socket_data.release());
}
void
WebSocketDeterministicMockClientSocketFactoryMaker::AddSSLSocketDataProvider(
scoped_ptr<SSLSocketDataProvider> ssl_socket_data) {
detail_->factory.AddSSLSocketDataProvider(ssl_socket_data.get());
detail_->ssl_socket_data_vector.push_back(ssl_socket_data.release());
}
WebSocketTestURLRequestContextHost::WebSocketTestURLRequestContextHost()
: url_request_context_(true), url_request_context_initialized_(false) {
url_request_context_.set_client_socket_factory(maker_.factory());
}
WebSocketTestURLRequestContextHost::~WebSocketTestURLRequestContextHost() {}
void WebSocketTestURLRequestContextHost::AddRawExpectations(
scoped_ptr<DeterministicSocketData> socket_data) {
maker_.AddRawExpectations(socket_data.Pass());
}
void WebSocketTestURLRequestContextHost::AddSSLSocketDataProvider(
scoped_ptr<SSLSocketDataProvider> ssl_socket_data) {
maker_.AddSSLSocketDataProvider(ssl_socket_data.Pass());
}
TestURLRequestContext*
WebSocketTestURLRequestContextHost::GetURLRequestContext() {
if (!url_request_context_initialized_) {
url_request_context_.Init();
// A Network Delegate is required to make the URLRequest::Delegate work.
url_request_context_.set_network_delegate(&network_delegate_);
url_request_context_initialized_ = true;
}
return &url_request_context_;
}
} // namespace net
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