tdesktop/Telegram/SourceFiles/calls/calls_group_call.cpp

477 lines
13 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "calls/calls_group_call.h"
#include "main/main_session.h"
//#include "main/main_account.h"
//#include "main/main_app_config.h"
#include "apiwrap.h"
#include "lang/lang_keys.h"
#include "boxes/confirm_box.h"
//#include "boxes/rate_call_box.h"
//#include "calls/calls_instance.h"
//#include "base/openssl_help.h"
//#include "mtproto/mtproto_dh_utils.h"
//#include "mtproto/mtproto_config.h"
//#include "core/application.h"
//#include "core/core_settings.h"
//#include "media/audio/media_audio_track.h"
//#include "base/platform/base_platform_info.h"
//#include "calls/calls_panel.h"
//#include "webrtc/webrtc_video_track.h"
//#include "webrtc/webrtc_media_devices.h"
#include "data/data_changes.h"
#include "data/data_channel.h"
#include "data/data_group_call.h"
//#include "data/data_session.h"
//#include "facades.h"
#include <tgcalls/group/GroupInstanceImpl.h>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonArray>
namespace tgcalls {
class GroupInstanceImpl;
} // namespace tgcalls
namespace Calls {
GroupCall::GroupCall(
not_null<Delegate*> delegate,
not_null<ChannelData*> channel,
const MTPInputGroupCall &inputCall)
: _delegate(delegate)
, _channel(channel)
, _api(&_channel->session().mtp()) {
if (inputCall.c_inputGroupCall().vid().v) {
_state = State::Joining;
join(inputCall);
} else {
start();
}
}
GroupCall::~GroupCall() {
destroyController();
}
void GroupCall::setState(State state) {
if (_state.current() == State::Failed) {
return;
} else if (_state.current() == State::FailedHangingUp
&& state != State::Failed) {
return;
}
if (_state.current() == state) {
return;
}
_state = state;
if (false
|| state == State::Ended
|| state == State::Failed) {
// Destroy controller before destroying Call Panel,
// so that the panel hide animation is smooth.
destroyController();
}
switch (state) {
case State::Ended:
_delegate->groupCallFinished(this);
break;
case State::Failed:
_delegate->groupCallFailed(this);
break;
}
}
void GroupCall::start() {
const auto randomId = rand_value<int32>();
_api.request(MTPphone_CreateGroupCall(
_channel->inputChannel,
MTP_int(randomId)
)).done([=](const MTPUpdates &result) {
_acceptFields = true;
_channel->session().api().applyUpdates(result);
_acceptFields = false;
}).fail([=](const RPCError &error) {
int a = error.code();
}).send();
}
void GroupCall::join(const MTPInputGroupCall &inputCall) {
setState(State::Joining);
inputCall.match([&](const MTPDinputGroupCall &data) {
_id = data.vid().v;
_accessHash = data.vaccess_hash().v;
createAndStartController();
rejoin();
});
_channel->setCall(inputCall);
_channel->session().changes().peerFlagsValue(
_channel,
Data::PeerUpdate::Flag::GroupCall
) | rpl::start_with_next([=] {
checkParticipants();
}, _lifetime);
}
void GroupCall::rejoin() {
Expects(_state.current() == State::Joining);
_mySsrc = 0;
const auto weak = base::make_weak(this);
_instance->emitJoinPayload([=](tgcalls::GroupJoinPayload payload) {
crl::on_main(weak, [=, payload = std::move(payload)]{
auto fingerprints = QJsonArray();
for (const auto print : payload.fingerprints) {
auto object = QJsonObject();
object.insert("hash", QString::fromStdString(print.hash));
object.insert("setup", QString::fromStdString(print.setup));
object.insert(
"fingerprint",
QString::fromStdString(print.fingerprint));
fingerprints.push_back(object);
}
auto root = QJsonObject();
const auto ssrc = payload.ssrc;
root.insert("ufrag", QString::fromStdString(payload.ufrag));
root.insert("pwd", QString::fromStdString(payload.pwd));
root.insert("fingerprints", fingerprints);
root.insert("ssrc", double(payload.ssrc));
const auto json = QJsonDocument(root).toJson(
QJsonDocument::Compact);
const auto muted = _muted.current();
_api.request(MTPphone_JoinGroupCall(
MTP_flags(muted
? MTPphone_JoinGroupCall::Flag::f_muted
: MTPphone_JoinGroupCall::Flag(0)),
inputCall(),
MTP_dataJSON(MTP_bytes(json))
)).done([=](const MTPUpdates &updates) {
_mySsrc = ssrc;
setState(State::Joined);
if (_muted.current() != muted) {
sendMutedUpdate();
}
_channel->session().api().applyUpdates(updates);
}).fail([=](const RPCError &error) {
int a = error.code();
}).send();
});
});
}
void GroupCall::checkParticipants() {
if (!joined()) {
return;
}
const auto call = _channel->call();
if (!call || call->id() != _id) {
finish(FinishType::Ended);
return;
}
const auto &sources = call->sources();
if (sources.size() != call->fullCount() || sources.empty()) {
call->reload();
return;
}
auto ssrcs = std::vector<uint32_t>();
ssrcs.reserve(sources.size());
for (const auto source : sources) {
if (source != _mySsrc) {
ssrcs.push_back(source);
}
}
_instance->setSsrcs(std::move(ssrcs));
}
void GroupCall::hangup() {
finish(FinishType::Ended);
}
void GroupCall::finish(FinishType type) {
Expects(type != FinishType::None);
const auto finalState = (type == FinishType::Ended)
? State::Ended
: State::Failed;
const auto hangupState = (type == FinishType::Ended)
? State::HangingUp
: State::FailedHangingUp;
const auto state = _state.current();
if (state == State::HangingUp
|| state == State::FailedHangingUp
|| state == State::Ended
|| state == State::Failed) {
return;
}
if (!_mySsrc) {
setState(finalState);
return;
}
setState(hangupState);
_api.request(MTPphone_LeaveGroupCall(
inputCall(),
MTP_int(_mySsrc)
)).done([=](const MTPUpdates &result) {
// Here 'this' could be destroyed by updates, so we set Ended after
// updates being handled, but in a guarded way.
crl::on_main(this, [=] { setState(finalState); });
_channel->session().api().applyUpdates(result);
}).fail([=](const RPCError &error) {
setState(finalState);
}).send();
}
void GroupCall::setMuted(bool mute) {
_muted = mute;
}
void GroupCall::handleUpdate(const MTPGroupCall &call) {
return call.match([&](const MTPDgroupCall &data) {
if (_acceptFields) {
if (!_instance && !_id) {
join(MTP_inputGroupCall(data.vid(), data.vaccess_hash()));
}
return;
} else if (_id != data.vid().v
|| _accessHash != data.vaccess_hash().v
|| !_instance) {
return;
}
if (const auto params = data.vparams()) {
params->match([&](const MTPDdataJSON &data) {
auto error = QJsonParseError{ 0, QJsonParseError::NoError };
const auto document = QJsonDocument::fromJson(
data.vdata().v,
&error);
if (error.error != QJsonParseError::NoError) {
LOG(("API Error: "
"Failed to parse group call params, error: %1."
).arg(error.errorString()));
return;
} else if (!document.isObject()) {
LOG(("API Error: "
"Not an object received in group call params."));
return;
}
const auto readString = [](
const QJsonObject &object,
const char *key) {
return object.value(key).toString().toStdString();
};
const auto root = document.object().value("transport").toObject();
auto payload = tgcalls::GroupJoinResponsePayload();
payload.ufrag = readString(root, "ufrag");
payload.pwd = readString(root, "pwd");
const auto prints = root.value("fingerprints").toArray();
const auto candidates = root.value("candidates").toArray();
for (const auto &print : prints) {
const auto object = print.toObject();
payload.fingerprints.push_back(tgcalls::GroupJoinPayloadFingerprint{
.hash = readString(object, "hash"),
.setup = readString(object, "setup"),
.fingerprint = readString(object, "fingerprint"),
});
}
for (const auto &candidate : candidates) {
const auto object = candidate.toObject();
payload.candidates.push_back(tgcalls::GroupJoinResponseCandidate{
.port = readString(object, "port"),
.protocol = readString(object, "protocol"),
.network = readString(object, "network"),
.generation = readString(object, "generation"),
.id = readString(object, "id"),
.component = readString(object, "component"),
.foundation = readString(object, "foundation"),
.priority = readString(object, "priority"),
.ip = readString(object, "ip"),
.type = readString(object, "type"),
.tcpType = readString(object, "tcpType"),
.relAddr = readString(object, "relAddr"),
.relPort = readString(object, "relPort"),
});
}
_instance->setJoinResponsePayload(payload);
checkParticipants();
});
}
}, [&](const MTPDgroupCallDiscarded &data) {
if (data.vid().v == _id) {
_mySsrc = 0;
hangup();
}
});
}
void GroupCall::handleUpdate(const MTPDupdateGroupCallParticipants &data) {
const auto state = _state.current();
if (state != State::Joined) {
return;
}
const auto self = _channel->session().userId();
for (const auto &participant : data.vparticipants().v) {
participant.match([&](const MTPDgroupCallParticipant &data) {
if (data.vuser_id().v != self) {
return;
}
if (data.is_left() && data.vsource().v == _mySsrc) {
// I was removed from the call, rejoin.
setState(State::Joining);
rejoin();
} else if (!data.is_left() && data.vsource().v != _mySsrc) {
// I joined from another device, hangup.
_mySsrc = 0;
hangup();
}
});
}
}
void GroupCall::createAndStartController() {
using AudioLevels = std::vector<std::pair<uint32_t, float>>;
const auto weak = base::make_weak(this);
tgcalls::GroupInstanceDescriptor descriptor = {
.config = tgcalls::GroupConfig{
},
.networkStateUpdated = [=](bool) {
},
.audioLevelsUpdated = [=](const AudioLevels &data) {
},
};
if (Logs::DebugEnabled()) {
auto callLogFolder = cWorkingDir() + qsl("DebugLogs");
auto callLogPath = callLogFolder + qsl("/last_group_call_log.txt");
auto callLogNative = QDir::toNativeSeparators(callLogPath);
#ifdef Q_OS_WIN
descriptor.config.logPath.data = callLogNative.toStdWString();
#else // Q_OS_WIN
const auto callLogUtf = QFile::encodeName(callLogNative);
descriptor.config.logPath.data.resize(callLogUtf.size());
ranges::copy(callLogUtf, descriptor.config.logPath.data.begin());
#endif // Q_OS_WIN
QFile(callLogPath).remove();
QDir().mkpath(callLogFolder);
}
LOG(("Call Info: Creating group instance"));
_instance = std::make_unique<tgcalls::GroupInstanceImpl>(
std::move(descriptor));
_muted.value(
) | rpl::start_with_next([=](bool muted) {
if (_instance) {
_instance->setIsMuted(muted);
}
if (_mySsrc) {
sendMutedUpdate();
}
}, _lifetime);
//raw->setAudioOutputDuckingEnabled(settings.callAudioDuckingEnabled());
}
void GroupCall::sendMutedUpdate() {
_api.request(_updateMuteRequestId).cancel();
_updateMuteRequestId = _api.request(MTPphone_EditGroupCallMember(
MTP_flags(_muted.current()
? MTPphone_EditGroupCallMember::Flag::f_muted
: MTPphone_EditGroupCallMember::Flag(0)),
inputCall(),
MTP_inputUserSelf()
)).done([=](const MTPUpdates &result) {
_channel->session().api().applyUpdates(result);
}).fail([=](const RPCError &error) {
if (error.type() == u"GROUP_CALL_FORBIDDEN"_q
&& _state.current() == State::Joined) {
setState(State::Joining);
rejoin();
}
}).send();
}
void GroupCall::setCurrentAudioDevice(bool input, const QString &deviceId) {
if (_instance) {
const auto id = deviceId.toStdString();
//if (input) {
// _instance->setAudioInputDevice(id);
//} else {
// _instance->setAudioOutputDevice(id);
//}
}
}
void GroupCall::setAudioVolume(bool input, float level) {
if (_instance) {
//if (input) {
// _instance->setInputVolume(level);
//} else {
// _instance->setOutputVolume(level);
//}
}
}
void GroupCall::setAudioDuckingEnabled(bool enabled) {
if (_instance) {
//_instance->setAudioOutputDuckingEnabled(enabled);
}
}
void GroupCall::handleRequestError(const RPCError &error) {
//if (error.type() == qstr("USER_PRIVACY_RESTRICTED")) {
// Ui::show(Box<InformBox>(tr::lng_call_error_not_available(tr::now, lt_user, _user->name)));
//} else if (error.type() == qstr("PARTICIPANT_VERSION_OUTDATED")) {
// Ui::show(Box<InformBox>(tr::lng_call_error_outdated(tr::now, lt_user, _user->name)));
//} else if (error.type() == qstr("CALL_PROTOCOL_LAYER_INVALID")) {
// Ui::show(Box<InformBox>(Lang::Hard::CallErrorIncompatible().replace("{user}", _user->name)));
//}
//finish(FinishType::Failed);
}
void GroupCall::handleControllerError(const QString &error) {
if (error == u"ERROR_INCOMPATIBLE"_q) {
//Ui::show(Box<InformBox>(
// Lang::Hard::CallErrorIncompatible().replace(
// "{user}",
// _user->name)));
} else if (error == u"ERROR_AUDIO_IO"_q) {
Ui::show(Box<InformBox>(tr::lng_call_error_audio_io(tr::now)));
}
//finish(FinishType::Failed);
}
MTPInputGroupCall GroupCall::inputCall() const {
Expects(_id != 0);
return MTP_inputGroupCall(
MTP_long(_id),
MTP_long(_accessHash));
}
void GroupCall::destroyController() {
if (_instance) {
//_instance->stop([](tgcalls::FinalState) {
//});
DEBUG_LOG(("Call Info: Destroying call controller.."));
_instance.reset();
DEBUG_LOG(("Call Info: Call controller destroyed."));
}
}
} // namespace Calls