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/*
* Copyright 2012 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// clang-format off
// clang formating would change include order.
#include <windows.h>
#include <shellapi.h> // must come after windows.h
// clang-format on
#include <string>
#include <vector>
#include "absl/flags/parse.h"
#include "examples/peerconnection/client/conductor.h"
#include "examples/peerconnection/client/flag_defs.h"
#include "examples/peerconnection/client/main_wnd.h"
#include "examples/peerconnection/client/peer_connection_client.h"
#include "rtc_base/checks.h"
#include "rtc_base/ssl_adapter.h"
#include "rtc_base/string_utils.h" // For ToUtf8
#include "rtc_base/win32_socket_init.h"
#include "system_wrappers/include/field_trial.h"
#include "test/field_trial.h"
namespace {
// A helper class to translate Windows command line arguments into UTF8,
// which then allows us to just pass them to the flags system.
// This encapsulates all the work of getting the command line and translating
// it to an array of 8-bit strings; all you have to do is create one of these,
// and then call argc() and argv().
class WindowsCommandLineArguments {
public:
WindowsCommandLineArguments();
WindowsCommandLineArguments(const WindowsCommandLineArguments&) = delete;
WindowsCommandLineArguments& operator=(WindowsCommandLineArguments&) = delete;
int argc() { return argv_.size(); }
char** argv() { return argv_.data(); }
private:
// Owned argument strings.
std::vector<std::string> args_;
// Pointers, to get layout compatible with char** argv.
std::vector<char*> argv_;
};
WindowsCommandLineArguments::WindowsCommandLineArguments() {
// start by getting the command line.
LPCWSTR command_line = ::GetCommandLineW();
// now, convert it to a list of wide char strings.
int argc;
LPWSTR* wide_argv = ::CommandLineToArgvW(command_line, &argc);
// iterate over the returned wide strings;
for (int i = 0; i < argc; ++i) {
args_.push_back(rtc::ToUtf8(wide_argv[i], wcslen(wide_argv[i])));
// make sure the argv array points to the string data.
argv_.push_back(const_cast<char*>(args_.back().c_str()));
}
LocalFree(wide_argv);
}
} // namespace
int PASCAL wWinMain(HINSTANCE instance,
HINSTANCE prev_instance,
wchar_t* cmd_line,
int cmd_show) {
rtc::WinsockInitializer winsock_init;
rtc::PhysicalSocketServer ss;
rtc::AutoSocketServerThread main_thread(&ss);
WindowsCommandLineArguments win_args;
int argc = win_args.argc();
char** argv = win_args.argv();
absl::ParseCommandLine(argc, argv);
// InitFieldTrialsFromString stores the char*, so the char array must outlive
// the application.
const std::string forced_field_trials =
absl::GetFlag(FLAGS_force_fieldtrials);
webrtc::field_trial::InitFieldTrialsFromString(forced_field_trials.c_str());
// Abort if the user specifies a port that is outside the allowed
// range [1, 65535].
if ((absl::GetFlag(FLAGS_port) < 1) || (absl::GetFlag(FLAGS_port) > 65535)) {
printf("Error: %i is not a valid port.\n", absl::GetFlag(FLAGS_port));
return -1;
}
const std::string server = absl::GetFlag(FLAGS_server);
MainWnd wnd(server.c_str(), absl::GetFlag(FLAGS_port),
absl::GetFlag(FLAGS_autoconnect), absl::GetFlag(FLAGS_autocall));
if (!wnd.Create()) {
RTC_DCHECK_NOTREACHED();
return -1;
}
rtc::InitializeSSL();
PeerConnectionClient client;
auto conductor = rtc::make_ref_counted<Conductor>(&client, &wnd);
// Main loop.
MSG msg;
BOOL gm;
while ((gm = ::GetMessage(&msg, NULL, 0, 0)) != 0 && gm != -1) {
if (!wnd.PreTranslateMessage(&msg)) {
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
}
if (conductor->connection_active() || client.is_connected()) {
while ((conductor->connection_active() || client.is_connected()) &&
(gm = ::GetMessage(&msg, NULL, 0, 0)) != 0 && gm != -1) {
if (!wnd.PreTranslateMessage(&msg)) {
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
}
}
rtc::CleanupSSL();
return 0;
}