Talk: Removes deprecated example apps and moves the server apps to trunk/talk/examples.

BUG=12545067
R=mallinath@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/7159004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5397 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/examples/turnserver/turnserver_main.cc

@@ -0,0 +1,102 @@
+/*
+ * libjingle
+ * Copyright 2012, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <iostream>  // NOLINT
+
+#include "talk/base/asyncudpsocket.h"
+#include "talk/base/optionsfile.h"
+#include "talk/base/thread.h"
+#include "talk/base/stringencode.h"
+#include "talk/p2p/base/basicpacketsocketfactory.h"
+#include "talk/p2p/base/turnserver.h"
+
+static const char kSoftware[] = "libjingle TurnServer";
+
+class TurnFileAuth : public cricket::TurnAuthInterface {
+ public:
+  explicit TurnFileAuth(const std::string& path) : file_(path) {
+    file_.Load();
+  }
+  virtual bool GetKey(const std::string& username, const std::string& realm,
+                      std::string* key) {
+    // File is stored as lines of <username>=<HA1>.
+    // Generate HA1 via "echo -n "<username>:<realm>:<password>" | md5sum"
+    std::string hex;
+    bool ret = file_.GetStringValue(username, &hex);
+    if (ret) {
+      char buf[32];
+      size_t len = talk_base::hex_decode(buf, sizeof(buf), hex);
+      *key = std::string(buf, len);
+    }
+    return ret;
+  }
+ private:
+  talk_base::OptionsFile file_;
+};
+
+int main(int argc, char **argv) {
+  if (argc != 5) {
+    std::cerr << "usage: turnserver int-addr ext-ip realm auth-file"
+              << std::endl;
+    return 1;
+  }
+
+  talk_base::SocketAddress int_addr;
+  if (!int_addr.FromString(argv[1])) {
+    std::cerr << "Unable to parse IP address: " << argv[1] << std::endl;
+    return 1;
+  }
+
+  talk_base::IPAddress ext_addr;
+  if (!IPFromString(argv[2], &ext_addr)) {
+    std::cerr << "Unable to parse IP address: " << argv[2] << std::endl;
+    return 1;
+  }
+
+  talk_base::Thread* main = talk_base::Thread::Current();
+  talk_base::AsyncUDPSocket* int_socket =
+      talk_base::AsyncUDPSocket::Create(main->socketserver(), int_addr);
+  if (!int_socket) {
+    std::cerr << "Failed to create a UDP socket bound at"
+              << int_addr.ToString() << std::endl;
+    return 1;
+  }
+
+  cricket::TurnServer server(main);
+  TurnFileAuth auth(argv[4]);
+  server.set_realm(argv[3]);
+  server.set_software(kSoftware);
+  server.set_auth_hook(&auth);
+  server.AddInternalSocket(int_socket, cricket::PROTO_UDP);
+  server.SetExternalSocketFactory(new talk_base::BasicPacketSocketFactory(),
+                                  talk_base::SocketAddress(ext_addr, 0));
+
+  std::cout << "Listening internally at " << int_addr.ToString() << std::endl;
+
+  main->Run();
+  return 0;
+}