From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../examples/peerconnection/client/main.cc         | 133 +++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 third_party/libwebrtc/examples/peerconnection/client/main.cc

(limited to 'third_party/libwebrtc/examples/peerconnection/client/main.cc')

diff --git a/third_party/libwebrtc/examples/peerconnection/client/main.cc b/third_party/libwebrtc/examples/peerconnection/client/main.cc
new file mode 100644
index 0000000000..32bc52bda4
--- /dev/null
+++ b/third_party/libwebrtc/examples/peerconnection/client/main.cc
@@ -0,0 +1,133 @@
+/*
+ *  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;
+}
-- 
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