blob: eb86873c904bd5cbb0842d785ce752864ab18d6f [file] [log] [blame]
/*
* libjingle
* Copyright 2013 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/app/webrtc/datachannel.h"
class FakeDataChannelProvider : public webrtc::DataChannelProviderInterface {
public:
FakeDataChannelProvider()
: send_blocked_(false),
transport_available_(false),
ready_to_send_(false),
transport_error_(false) {}
virtual ~FakeDataChannelProvider() {}
bool SendData(const cricket::SendDataParams& params,
const rtc::Buffer& payload,
cricket::SendDataResult* result) override {
ASSERT(ready_to_send_ && transport_available_);
if (send_blocked_) {
*result = cricket::SDR_BLOCK;
return false;
}
if (transport_error_ || payload.size() == 0) {
*result = cricket::SDR_ERROR;
return false;
}
last_send_data_params_ = params;
return true;
}
bool ConnectDataChannel(webrtc::DataChannel* data_channel) override {
ASSERT(connected_channels_.find(data_channel) == connected_channels_.end());
if (!transport_available_) {
return false;
}
LOG(LS_INFO) << "DataChannel connected " << data_channel;
connected_channels_.insert(data_channel);
return true;
}
void DisconnectDataChannel(webrtc::DataChannel* data_channel) override {
ASSERT(connected_channels_.find(data_channel) != connected_channels_.end());
LOG(LS_INFO) << "DataChannel disconnected " << data_channel;
connected_channels_.erase(data_channel);
}
void AddSctpDataStream(int sid) override {
ASSERT(sid >= 0);
if (!transport_available_) {
return;
}
send_ssrcs_.insert(sid);
recv_ssrcs_.insert(sid);
}
void RemoveSctpDataStream(int sid) override {
ASSERT(sid >= 0);
send_ssrcs_.erase(sid);
recv_ssrcs_.erase(sid);
}
bool ReadyToSendData() const override { return ready_to_send_; }
// Set true to emulate the SCTP stream being blocked by congestion control.
void set_send_blocked(bool blocked) {
send_blocked_ = blocked;
if (!blocked) {
// Take a snapshot of the connected channels and check to see whether
// each value is still in connected_channels_ before calling
// OnChannelReady(). This avoids problems where the set gets modified
// in response to OnChannelReady().
for (webrtc::DataChannel *ch : std::set<webrtc::DataChannel*>(
connected_channels_.begin(), connected_channels_.end())) {
if (connected_channels_.count(ch)) {
ch->OnChannelReady(true);
}
}
}
}
// Set true to emulate the transport channel creation, e.g. after
// setLocalDescription/setRemoteDescription called with data content.
void set_transport_available(bool available) {
transport_available_ = available;
}
// Set true to emulate the transport ReadyToSendData signal when the transport
// becomes writable for the first time.
void set_ready_to_send(bool ready) {
ASSERT(transport_available_);
ready_to_send_ = ready;
if (ready) {
std::set<webrtc::DataChannel*>::iterator it;
for (it = connected_channels_.begin();
it != connected_channels_.end();
++it) {
(*it)->OnChannelReady(true);
}
}
}
void set_transport_error() {
transport_error_ = true;
}
cricket::SendDataParams last_send_data_params() const {
return last_send_data_params_;
}
bool IsConnected(webrtc::DataChannel* data_channel) const {
return connected_channels_.find(data_channel) != connected_channels_.end();
}
bool IsSendStreamAdded(uint32 stream) const {
return send_ssrcs_.find(stream) != send_ssrcs_.end();
}
bool IsRecvStreamAdded(uint32 stream) const {
return recv_ssrcs_.find(stream) != recv_ssrcs_.end();
}
private:
cricket::SendDataParams last_send_data_params_;
bool send_blocked_;
bool transport_available_;
bool ready_to_send_;
bool transport_error_;
std::set<webrtc::DataChannel*> connected_channels_;
std::set<uint32> send_ssrcs_;
std::set<uint32> recv_ssrcs_;
};