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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 "ppapi/tests/test_tcp_socket.h"
#include "ppapi/cpp/tcp_socket.h"
#include "ppapi/tests/test_utils.h"
#include "ppapi/tests/testing_instance.h"
namespace {
// Validates the first line of an HTTP response.
bool ValidateHttpResponse(const std::string& s) {
// Just check that it begins with "HTTP/" and ends with a "\r\n".
return s.size() >= 5 &&
s.substr(0, 5) == "HTTP/" &&
s.substr(s.size() - 2) == "\r\n";
}
} // namespace
REGISTER_TEST_CASE(TCPSocket);
TestTCPSocket::TestTCPSocket(TestingInstance* instance) : TestCase(instance) {
}
bool TestTCPSocket::Init() {
if (!pp::TCPSocket::IsAvailable())
return false;
// We need something to connect to, so we connect to the HTTP server whence we
// came. Grab the host and port.
if (!EnsureRunningOverHTTP())
return false;
std::string host;
uint16_t port = 0;
if (!GetLocalHostPort(instance_->pp_instance(), &host, &port))
return false;
if (!ResolveHost(instance_->pp_instance(), host, port, &addr_))
return false;
return true;
}
void TestTCPSocket::RunTests(const std::string& filter) {
RUN_CALLBACK_TEST(TestTCPSocket, Connect, filter);
RUN_CALLBACK_TEST(TestTCPSocket, ReadWrite, filter);
RUN_CALLBACK_TEST(TestTCPSocket, SetOption, filter);
}
std::string TestTCPSocket::TestConnect() {
pp::TCPSocket socket(instance_);
TestCompletionCallback cb(instance_->pp_instance(), callback_type());
cb.WaitForResult(socket.Connect(addr_, cb.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(cb);
ASSERT_EQ(PP_OK, cb.result());
pp::NetAddress local_addr, remote_addr;
local_addr = socket.GetLocalAddress();
remote_addr = socket.GetRemoteAddress();
ASSERT_NE(0, local_addr.pp_resource());
ASSERT_NE(0, remote_addr.pp_resource());
ASSERT_TRUE(EqualNetAddress(addr_, remote_addr));
socket.Close();
PASS();
}
std::string TestTCPSocket::TestReadWrite() {
pp::TCPSocket socket(instance_);
TestCompletionCallback cb(instance_->pp_instance(), callback_type());
cb.WaitForResult(socket.Connect(addr_, cb.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(cb);
ASSERT_EQ(PP_OK, cb.result());
ASSERT_EQ(PP_OK, WriteStringToSocket(&socket, "GET / HTTP/1.0\r\n\r\n"));
// Read up to the first \n and check that it looks like valid HTTP response.
std::string s;
ASSERT_EQ(PP_OK, ReadFirstLineFromSocket(&socket, &s));
ASSERT_TRUE(ValidateHttpResponse(s));
PASS();
}
std::string TestTCPSocket::TestSetOption() {
pp::TCPSocket socket(instance_);
TestCompletionCallback cb_1(instance_->pp_instance(), callback_type());
TestCompletionCallback cb_2(instance_->pp_instance(), callback_type());
TestCompletionCallback cb_3(instance_->pp_instance(), callback_type());
// These options cannot be set before the socket is connected.
int32_t result_1 = socket.SetOption(PP_TCPSOCKET_OPTION_NO_DELAY,
true, cb_1.GetCallback());
int32_t result_2 = socket.SetOption(PP_TCPSOCKET_OPTION_SEND_BUFFER_SIZE,
256, cb_2.GetCallback());
int32_t result_3 = socket.SetOption(PP_TCPSOCKET_OPTION_RECV_BUFFER_SIZE,
512, cb_3.GetCallback());
cb_1.WaitForResult(result_1);
CHECK_CALLBACK_BEHAVIOR(cb_1);
ASSERT_EQ(PP_ERROR_FAILED, cb_1.result());
cb_2.WaitForResult(result_2);
CHECK_CALLBACK_BEHAVIOR(cb_2);
ASSERT_EQ(PP_ERROR_FAILED, cb_2.result());
cb_3.WaitForResult(result_3);
CHECK_CALLBACK_BEHAVIOR(cb_3);
ASSERT_EQ(PP_ERROR_FAILED, cb_3.result());
cb_1.WaitForResult(socket.Connect(addr_, cb_1.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(cb_1);
ASSERT_EQ(PP_OK, cb_1.result());
result_1 = socket.SetOption(PP_TCPSOCKET_OPTION_NO_DELAY,
false, cb_1.GetCallback());
result_2 = socket.SetOption(PP_TCPSOCKET_OPTION_SEND_BUFFER_SIZE,
512, cb_2.GetCallback());
result_3 = socket.SetOption(PP_TCPSOCKET_OPTION_RECV_BUFFER_SIZE,
1024, cb_3.GetCallback());
cb_1.WaitForResult(result_1);
CHECK_CALLBACK_BEHAVIOR(cb_1);
ASSERT_EQ(PP_OK, cb_1.result());
cb_2.WaitForResult(result_2);
CHECK_CALLBACK_BEHAVIOR(cb_2);
ASSERT_EQ(PP_OK, cb_2.result());
cb_3.WaitForResult(result_3);
CHECK_CALLBACK_BEHAVIOR(cb_3);
ASSERT_EQ(PP_OK, cb_3.result());
PASS();
}
int32_t TestTCPSocket::ReadFirstLineFromSocket(pp::TCPSocket* socket,
std::string* s) {
char buffer[1000];
s->clear();
// Make sure we don't just hang if |Read()| spews.
while (s->size() < 10000) {
TestCompletionCallback cb(instance_->pp_instance(), callback_type());
int32_t rv = socket->Read(buffer, sizeof(buffer), cb.GetCallback());
if (callback_type() == PP_REQUIRED && rv != PP_OK_COMPLETIONPENDING)
return PP_ERROR_FAILED;
cb.WaitForResult(rv);
if (cb.result() < 0)
return cb.result();
if (cb.result() == 0)
return PP_ERROR_FAILED; // Didn't get a \n-terminated line.
s->reserve(s->size() + cb.result());
for (int32_t i = 0; i < cb.result(); i++) {
s->push_back(buffer[i]);
if (buffer[i] == '\n')
return PP_OK;
}
}
return PP_ERROR_FAILED;
}
int32_t TestTCPSocket::WriteStringToSocket(pp::TCPSocket* socket,
const std::string& s) {
const char* buffer = s.data();
size_t written = 0;
while (written < s.size()) {
TestCompletionCallback cb(instance_->pp_instance(), callback_type());
int32_t rv = socket->Write(buffer + written, s.size() - written,
cb.GetCallback());
if (callback_type() == PP_REQUIRED && rv != PP_OK_COMPLETIONPENDING)
return PP_ERROR_FAILED;
cb.WaitForResult(rv);
if (cb.result() < 0)
return cb.result();
if (cb.result() == 0)
return PP_ERROR_FAILED;
written += cb.result();
}
if (written != s.size())
return PP_ERROR_FAILED;
return PP_OK;
}
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