1 files changed, 278 insertions, 0 deletions
diff --git a/Plugins/jingle/libjingle/talk/session/phone/phonesessionclient.cc b/Plugins/jingle/libjingle/talk/session/phone/phonesessionclient.cc
new file mode 100644
index 0000000..60daf18
--- /dev/null
+++ b/Plugins/jingle/libjingle/talk/session/phone/phonesessionclient.cc
@@ -0,0 +1,278 @@
+/*
+ * 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.
+ */
+
+#include "talk/base/logging.h"
+#include "talk/session/phone/phonesessionclient.h"
+#include "talk/xmpp/constants.h"
+#include "talk/xmllite/qname.h"
+namespace {
+
+const std::string NS_PHONE("http://www.google.com/session/phone");
+const std::string NS_EMPTY("");
+
+const buzz::QName QN_PHONE_DESCRIPTION(true, NS_PHONE, "description");
+const buzz::QName QN_PHONE_PAYLOADTYPE(true, NS_PHONE, "payload-type");
+const buzz::QName QN_PHONE_PAYLOADTYPE_ID(true, NS_EMPTY, "id");
+const buzz::QName QN_PHONE_PAYLOADTYPE_NAME(true, NS_EMPTY, "name");
+const buzz::QName QN_PHONE_PAYLOADTYPE_RATE(true, NS_EMPTY, "clockrate");
+const buzz::QName QN_PHONE_PAYLOADTYPE_BITRATE(true, NS_EMPTY, "bitrate");
+const buzz::QName QN_PHONE_PAYLOADTYPE_CHANNELS(true, NS_EMPTY, "channels");
+}
+
+namespace cricket {
+
+PhoneSessionClient::PhoneSessionClient(
+    const buzz::Jid& jid, SessionManager *manager)
+  : jid_(jid), session_manager_(manager) {
+  // No call to start, and certainly no call with focus
+  focus_call_ = NULL;
+
+  // Start up the channel manager on a worker thread
+  channel_manager_ = new ChannelManager(session_manager_->worker_thread());
+
+  // Register ourselves as the handler of phone sessions.
+  session_manager_->AddClient(NS_PHONE, this);
+}
+
+
+PhoneSessionClient::~PhoneSessionClient() {
+  // Destroy all calls
+  std::map<uint32, Call *>::iterator it;
+  while (calls_.begin() != calls_.end()) {
+    std::map<uint32, Call *>::iterator it = calls_.begin();
+    DestroyCall((*it).second);
+  }
+
+  // Delete channel manager. This will wait for the channels to exit
+  delete channel_manager_;
+
+  // Remove ourselves from the client map.
+  session_manager_->RemoveClient(NS_PHONE);
+}
+
+PhoneSessionDescription* PhoneSessionClient::CreateOfferSessionDescription() {
+  PhoneSessionDescription* session_desc = new PhoneSessionDescription();
+
+
+  MediaEngine *me = channel_manager_->media_engine();
+  std::vector<Codec> codecs = me->codecs();
+  std::vector<Codec>::iterator i;
+  for (i = codecs.begin(); i < codecs.end(); i++) 
+    session_desc->AddCodec(*i);
+  
+  session_desc->Sort();
+  return session_desc;
+}
+
+PhoneSessionDescription* PhoneSessionClient::CreateAcceptSessionDescription(const SessionDescription* offer) {
+  const PhoneSessionDescription* offer_desc =
+      static_cast<const PhoneSessionDescription*>(offer);
+  PhoneSessionDescription* accept_desc = new PhoneSessionDescription();
+  std::vector<Codec> codecs = channel_manager_->media_engine()->codecs();
+  std::vector<Codec>::iterator iter;
+  for (unsigned int i = 0; i < offer_desc->codecs().size(); ++i) {
+    if (channel_manager_->media_engine()->FindCodec(offer_desc->codecs()[i]))
+        accept_desc->AddCodec(offer_desc->codecs()[i]); 
+  }
+
+  accept_desc->Sort();
+  return accept_desc;
+}
+
+const SessionDescription *PhoneSessionClient::CreateSessionDescription(const buzz::XmlElement *element) {
+  PhoneSessionDescription* desc = new PhoneSessionDescription();
+
+  const buzz::XmlElement* payload_type = element->FirstNamed(QN_PHONE_PAYLOADTYPE);
+  int num_payload_types = 0;
+
+  while (payload_type) {
+    if (payload_type->HasAttr(QN_PHONE_PAYLOADTYPE_ID)) {
+      int id = atoi(payload_type->Attr(QN_PHONE_PAYLOADTYPE_ID).c_str());
+      
+      std::string name = "";
+      if (payload_type->HasAttr(QN_PHONE_PAYLOADTYPE_NAME))
+        name = payload_type->Attr(QN_PHONE_PAYLOADTYPE_NAME);
+     
+      int clockrate = 0;
+      if (payload_type->HasAttr(QN_PHONE_PAYLOADTYPE_RATE))
+	      clockrate = atoi(payload_type->Attr(QN_PHONE_PAYLOADTYPE_RATE).c_str());
+
+      int bitrate = 0;
+      if (payload_type->HasAttr(QN_PHONE_PAYLOADTYPE_BITRATE))
+        bitrate = atoi(payload_type->Attr(QN_PHONE_PAYLOADTYPE_BITRATE).c_str());
+
+      int channels = 1;
+      if (payload_type->HasAttr(QN_PHONE_PAYLOADTYPE_CHANNELS))
+	      channels = atoi(payload_type->Attr(QN_PHONE_PAYLOADTYPE_CHANNELS).c_str());
+
+      desc->AddCodec(Codec(id, name, clockrate, bitrate, channels, 0));
+    }
+
+    payload_type = payload_type->NextNamed(QN_PHONE_PAYLOADTYPE);
+    num_payload_types += 1;
+  }
+
+  // For backward compatability, we can assume the other client is (an old
+  // version of Talk) if it has no payload types at all.
+  if (num_payload_types == 0) {
+    desc->AddCodec(Codec(103, "ISAC", 16000, -1, 1, 1));
+    desc->AddCodec(Codec(0, "PCMU", 8000, 64000, 1, 0));
+  }
+
+  return desc;
+}
+
+buzz::XmlElement *PhoneSessionClient::TranslateSessionDescription(const SessionDescription *_session_desc) {
+  const PhoneSessionDescription* session_desc =
+      static_cast<const PhoneSessionDescription*>(_session_desc);
+  buzz::XmlElement* description = new buzz::XmlElement(QN_PHONE_DESCRIPTION, true);
+
+
+  for (size_t i = 0; i < session_desc->codecs().size(); ++i) {
+    buzz::XmlElement* payload_type = new buzz::XmlElement(QN_PHONE_PAYLOADTYPE, true);
+
+    char buf[32];
+    sprintf(buf, "%d", session_desc->codecs()[i].id);
+    payload_type->AddAttr(QN_PHONE_PAYLOADTYPE_ID, buf);
+
+    payload_type->AddAttr(QN_PHONE_PAYLOADTYPE_NAME,
+                          session_desc->codecs()[i].name.c_str());
+
+    if (session_desc->codecs()[i].clockrate > 0) {
+      sprintf(buf, "%d", session_desc->codecs()[i].clockrate);
+      payload_type->AddAttr(QN_PHONE_PAYLOADTYPE_RATE, buf);
+    }
+    
+    if (session_desc->codecs()[i].channels > 1) {
+      sprintf(buf, "%d", session_desc->codecs()[i].channels);
+      payload_type->AddAttr(QN_PHONE_PAYLOADTYPE_CHANNELS, buf);
+    }
+
+    if (session_desc->codecs()[i].bitrate > 0) {
+      sprintf(buf, "%d", session_desc->codecs()[i].bitrate);
+      payload_type->AddAttr(QN_PHONE_PAYLOADTYPE_BITRATE, buf);
+    }
+
+    description->AddElement(payload_type);
+  }
+
+  return description;
+}
+
+Call *PhoneSessionClient::CreateCall() {
+  Call *call = new Call(this);
+  calls_[call->id()] = call;
+  SignalCallCreate(call);
+  return call;
+}
+
+void PhoneSessionClient::OnSessionCreate(Session *session,
+                                         bool received_initiate) {
+  if (received_initiate) {
+    session->SignalState.connect(this, &PhoneSessionClient::OnSessionState);
+
+    Call *call = CreateCall();
+    session_map_[session->id()] = call;
+    call->AddSession(session);
+  }
+}
+
+void PhoneSessionClient::OnSessionState(Session *session,
+                                        Session::State state) {
+  if (state == Session::STATE_RECEIVEDINITIATE) {
+    // If our accept would have no codecs, then we must reject this call.
+    PhoneSessionDescription* accept_desc =
+        CreateAcceptSessionDescription(session->remote_description());
+    if (accept_desc->codecs().size() == 0) {
+      // TODO: include an error description with the rejection.
+      session->Reject();
+    }
+    delete accept_desc;
+  }
+}
+
+void PhoneSessionClient::DestroyCall(Call *call) {
+  // Change focus away, signal destruction
+
+  if (call == focus_call_)
+    SetFocus(NULL);
+  SignalCallDestroy(call);
+
+  // Remove it from calls_ map and delete
+
+  std::map<uint32, Call *>::iterator it = calls_.find(call->id());
+  if (it != calls_.end())
+    calls_.erase(it);
+
+  delete call;
+}
+
+void PhoneSessionClient::OnSessionDestroy(Session *session) {
+  // Find the call this session is in, remove it
+
+  std::map<SessionID, Call *>::iterator it = session_map_.find(session->id());
+  assert(it != session_map_.end());
+  if (it != session_map_.end()) {
+    Call *call = (*it).second;
+    session_map_.erase(it);
+    call->RemoveSession(session);
+  }
+}
+
+Call *PhoneSessionClient::GetFocus() {
+  return focus_call_;
+}
+
+void PhoneSessionClient::SetFocus(Call *call) {
+  Call *old_focus_call = focus_call_;
+  if (focus_call_ != call) {
+    if (focus_call_ != NULL)
+      focus_call_->EnableChannels(false);
+    focus_call_ = call;
+    if (focus_call_ != NULL)
+      focus_call_->EnableChannels(true);
+    SignalFocus(focus_call_, old_focus_call);
+  }
+}
+
+void PhoneSessionClient::JoinCalls(Call *call_to_join, Call *call) {
+  // Move all sessions from call to call_to_join, delete call.
+  // If call_to_join has focus, added sessions should have enabled channels.
+
+  if (focus_call_ == call)
+    SetFocus(NULL);
+  call_to_join->Join(call, focus_call_ == call_to_join);
+  DestroyCall(call);
+}
+
+Session *PhoneSessionClient::CreateSession(Call *call) {
+  Session *session = session_manager_->CreateSession(jid().Str(), NS_PHONE);
+  session_map_[session->id()] = call;
+  return session;
+}
+
+}