1 files changed, 273 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/socketmanager.cpp b/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/socketmanager.cpp
new file mode 100644
index 00000000..2f0d67b8
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/socketmanager.cpp
@@ -0,0 +1,273 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, 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.
+ */
+
+#if defined(_MSC_VER) && _MSC_VER < 1300
+#pragma warning(disable:4786)
+#endif
+#include "socketmanager.h"
+#include <cassert>
+
+namespace cricket {
+
+const uint32 MSG_CREATESOCKET = 1;
+const uint32 MSG_DESTROYSOCKET = 2;
+const uint32 MSG_ONSIGNALINGREADY = 3;
+const uint32 MSG_CANDIDATESREADY = 4;
+const uint32 MSG_ADDREMOTECANDIDATES = 5;
+const uint32 MSG_ONREQUESTSIGNALING = 6;
+const uint32 MSG_RESETSOCKETS = 7;
+
+struct CreateParams {
+  CreateParams() {}
+  P2PSocket *socket;
+  std::string name;
+};
+
+SocketManager::SocketManager(SessionManager *session_manager) {
+  session_manager_ = session_manager;
+  candidates_requested_ = false;
+  writable_ = false;
+}
+
+SocketManager::~SocketManager() {
+  assert(Thread::Current() == session_manager_->signaling_thread());
+
+  // Are the sockets destroyed? If not, destroy them
+
+  critSM_.Enter();
+  while (sockets_.size() != 0) {
+    P2PSocket *socket = sockets_[0];
+    critSM_.Leave();
+    DestroySocket(socket);
+    critSM_.Enter();
+  }
+  critSM_.Leave();
+
+  // Clear queues
+
+  session_manager_->signaling_thread()->Clear(this);
+  session_manager_->worker_thread()->Clear(this);
+}
+
+P2PSocket *SocketManager::CreateSocket(const std::string &name) {
+  // Can occur on any thread
+  CreateParams params;
+  params.name = name;
+  params.socket = NULL;
+  TypedMessageData<CreateParams *> data(&params);
+  session_manager_->worker_thread()->Send(this, MSG_CREATESOCKET, &data);
+  return data.data()->socket;
+}
+
+P2PSocket *SocketManager::CreateSocket_w(const std::string &name) {
+  // Only on worker thread
+  assert(Thread::Current() == session_manager_->worker_thread());
+  CritScope cs(&critSM_);
+  P2PSocket *socket = new P2PSocket(name, session_manager_->port_allocator());
+  socket->SignalCandidatesReady.connect(this, &SocketManager::OnCandidatesReady);
+  socket->SignalState.connect(this, &SocketManager::OnSocketState);
+  socket->SignalRequestSignaling.connect(this, &SocketManager::OnRequestSignaling);
+  sockets_.push_back(socket);
+  socket->StartProcessingCandidates();
+  return socket;
+}
+
+void SocketManager::DestroySocket(P2PSocket *socket) {
+  // Can occur on any thread
+  TypedMessageData<P2PSocket *> data(socket);
+  session_manager_->worker_thread()->Send(this, MSG_DESTROYSOCKET, &data);
+}
+
+void SocketManager::DestroySocket_w(P2PSocket *socket) {
+  // Only on worker thread
+  assert(Thread::Current() == session_manager_->worker_thread());
+
+  // Only if socket exists
+  CritScope cs(&critSM_);
+  std::vector<P2PSocket *>::iterator it;
+  it = std::find(sockets_.begin(), sockets_.end(), socket);
+  if (it == sockets_.end())
+    return;
+  sockets_.erase(it);
+  delete socket;
+}
+
+void SocketManager::StartProcessingCandidates() {
+  // Only on signaling thread
+  assert(Thread::Current() == session_manager_->signaling_thread());  
+
+  // When sockets are created, their candidates are requested. 
+  // When the candidates are ready, the client is signaled
+  // on the signaling thread
+  candidates_requested_ = true;
+  session_manager_->signaling_thread()->Post(this, MSG_CANDIDATESREADY);
+}
+
+void SocketManager::OnSignalingReady() {
+  session_manager_->worker_thread()->Post(this, MSG_ONSIGNALINGREADY);
+}
+
+void SocketManager::OnSignalingReady_w() {
+  // Only on worker thread
+  assert(Thread::Current() == session_manager_->worker_thread());
+  for (uint32 i = 0; i < sockets_.size(); ++i) {
+    sockets_[i]->OnSignalingReady();
+  }
+}
+
+void SocketManager::OnCandidatesReady(
+    P2PSocket *socket, const std::vector<Candidate>& candidates) {
+  // Only on worker thread
+  assert(Thread::Current() == session_manager_->worker_thread());
+
+  // Remember candidates
+  CritScope cs(&critSM_);
+  std::vector<Candidate>::const_iterator it;
+  for (it = candidates.begin(); it != candidates.end(); it++)
+    candidates_.push_back(*it);
+
+  // If candidates requested, tell signaling thread 
+  if (candidates_requested_)
+    session_manager_->signaling_thread()->Post(this, MSG_CANDIDATESREADY);
+}
+
+void SocketManager::ResetSockets() {
+  assert(Thread::Current() == session_manager_->signaling_thread());  
+  session_manager_->worker_thread()->Post(this, MSG_RESETSOCKETS);
+}
+
+void SocketManager::ResetSockets_w() {
+  assert(Thread::Current() == session_manager_->worker_thread());  
+
+  for (size_t i = 0; i < sockets_.size(); ++i)
+    sockets_[i]->Reset();
+}
+
+void SocketManager::OnSocketState(P2PSocket* socket, P2PSocket::State state) {
+  assert(Thread::Current() == session_manager_->worker_thread());
+
+  bool writable = false;
+  for (uint32 i = 0; i < sockets_.size(); ++i)
+    if (sockets_[i]->writable())
+      writable = true;
+
+  if (writable_ != writable) {
+    writable_ = writable;
+    SignalState();
+  }
+}
+
+void SocketManager::OnRequestSignaling() {
+  assert(Thread::Current() == session_manager_->worker_thread());
+  session_manager_->signaling_thread()->Post(this, MSG_ONREQUESTSIGNALING);
+}
+
+
+void SocketManager::AddRemoteCandidates(const std::vector<Candidate> &remote_candidates) {
+  assert(Thread::Current() == session_manager_->signaling_thread());
+  TypedMessageData<std::vector<Candidate> > *data = new TypedMessageData<std::vector<Candidate> >(remote_candidates);
+  session_manager_->worker_thread()->Post(this, MSG_ADDREMOTECANDIDATES, data);
+}
+
+void SocketManager::AddRemoteCandidates_w(const std::vector<Candidate> &remote_candidates) {
+  assert(Thread::Current() == session_manager_->worker_thread());
+
+  // Local and remote candidates now exist, so connectivity checking can
+  // commence. Tell the P2PSockets about the remote candidates.
+  // Group candidates by socket name
+
+  CritScope cs(&critSM_);
+  std::vector<P2PSocket *>::iterator it_socket;
+  for (it_socket = sockets_.begin(); it_socket != sockets_.end(); it_socket++) {
+    // Create a vector of remote candidates for each socket
+    std::string name = (*it_socket)->name();
+    std::vector<Candidate> candidate_bundle;
+    std::vector<Candidate>::const_iterator it_candidate;
+    for (it_candidate = remote_candidates.begin(); it_candidate != remote_candidates.end(); it_candidate++) {
+      if ((*it_candidate).name() == name)
+        candidate_bundle.push_back(*it_candidate);
+    }
+    if (candidate_bundle.size() != 0)
+      (*it_socket)->AddRemoteCandidates(candidate_bundle);
+  }
+}
+
+void SocketManager::OnMessage(Message *message) {
+  switch (message->message_id) {
+  case MSG_CREATESOCKET:
+    {
+      assert(Thread::Current() == session_manager_->worker_thread());
+      TypedMessageData<CreateParams *> *params = static_cast<TypedMessageData<CreateParams *> *>(message->pdata);
+      params->data()->socket = CreateSocket_w(params->data()->name);
+    }
+    break;
+
+  case MSG_DESTROYSOCKET:
+    {
+      assert(Thread::Current() == session_manager_->worker_thread());
+      TypedMessageData<P2PSocket *> *data = static_cast<TypedMessageData<P2PSocket *> *>(message->pdata);
+      DestroySocket_w(data->data());
+    }
+    break;
+
+  case MSG_ONSIGNALINGREADY:
+    assert(Thread::Current() == session_manager_->worker_thread());
+    OnSignalingReady_w();
+    break;
+
+  case MSG_ONREQUESTSIGNALING:
+    assert(Thread::Current() == session_manager_->signaling_thread());  
+    SignalRequestSignaling();
+    break;
+
+  case MSG_CANDIDATESREADY:
+    assert(Thread::Current() == session_manager_->signaling_thread());  
+    if (candidates_requested_) {
+      CritScope cs(&critSM_);
+      if (candidates_.size() > 0) {
+        SignalCandidatesReady(candidates_);
+        candidates_.clear();
+      }
+    }
+    break;
+
+  case MSG_ADDREMOTECANDIDATES:
+    {
+      assert(Thread::Current() == session_manager_->worker_thread());
+      TypedMessageData<const std::vector<Candidate> > *data = static_cast<TypedMessageData<const std::vector<Candidate> > *>(message->pdata);
+      AddRemoteCandidates_w(data->data());
+      delete data;
+    }
+    break;
+
+  case MSG_RESETSOCKETS:
+    ResetSockets_w();
+    break;
+  }
+}
+
+}