tdesktop/Telegram/SourceFiles/calls/calls_call.cpp

882 lines
25 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_call.h"
#include "main/main_session.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 "media/audio/media_audio_track.h"
#include "base/platform/base_platform_info.h"
#include "calls/calls_panel.h"
#include "calls/calls_controller.h"
#include "data/data_user.h"
#include "data/data_session.h"
#include "facades.h"
namespace Calls {
namespace {
constexpr auto kMinLayer = 65;
constexpr auto kHangupTimeoutMs = 5000;
constexpr auto kSha256Size = 32;
void AppendEndpoint(
std::vector<TgVoipEndpoint> &list,
const MTPPhoneConnection &connection) {
connection.match([&](const MTPDphoneConnection &data) {
if (data.vpeer_tag().v.length() != 16) {
return;
}
auto endpoint = TgVoipEndpoint{
.endpointId = (int64_t)data.vid().v,
.host = TgVoipEdpointHost{
.ipv4 = data.vip().v.toStdString(),
.ipv6 = data.vipv6().v.toStdString() },
.port = (uint16_t)data.vport().v,
.type = TgVoipEndpointType::UdpRelay
};
const auto tag = data.vpeer_tag().v;
if (tag.size() >= 16) {
memcpy(endpoint.peerTag, tag.data(), 16);
}
list.push_back(std::move(endpoint));
});
}
constexpr auto kFingerprintDataSize = 256;
uint64 ComputeFingerprint(bytes::const_span authKey) {
Expects(authKey.size() == kFingerprintDataSize);
auto hash = openssl::Sha1(authKey);
return (gsl::to_integer<uint64>(hash[19]) << 56)
| (gsl::to_integer<uint64>(hash[18]) << 48)
| (gsl::to_integer<uint64>(hash[17]) << 40)
| (gsl::to_integer<uint64>(hash[16]) << 32)
| (gsl::to_integer<uint64>(hash[15]) << 24)
| (gsl::to_integer<uint64>(hash[14]) << 16)
| (gsl::to_integer<uint64>(hash[13]) << 8)
| (gsl::to_integer<uint64>(hash[12]));
}
[[nodiscard]] std::vector<std::string> CollectVersions() {
return { TgVoip::getVersion() };
}
[[nodiscard]] QVector<MTPstring> WrapVersions(
const std::vector<std::string> &data) {
auto result = QVector<MTPstring>();
result.reserve(data.size());
for (const auto &version : data) {
result.push_back(MTP_string(version));
}
return result;
}
[[nodiscard]] QVector<MTPstring> CollectVersionsForApi() {
return WrapVersions(CollectVersions());
}
} // namespace
Call::Delegate::~Delegate() = default;
Call::Call(
not_null<Delegate*> delegate,
not_null<UserData*> user,
Type type)
: _delegate(delegate)
, _user(user)
, _api(_user->session().mtp())
, _type(type) {
_discardByTimeoutTimer.setCallback([this] { hangup(); });
if (_type == Type::Outgoing) {
setState(State::Requesting);
} else {
startWaitingTrack();
}
}
void Call::generateModExpFirst(bytes::const_span randomSeed) {
auto first = MTP::CreateModExp(_dhConfig.g, _dhConfig.p, randomSeed);
if (first.modexp.empty()) {
LOG(("Call Error: Could not compute mod-exp first."));
finish(FinishType::Failed);
return;
}
_randomPower = std::move(first.randomPower);
if (_type == Type::Incoming) {
_gb = std::move(first.modexp);
} else {
_ga = std::move(first.modexp);
_gaHash = openssl::Sha256(_ga);
}
}
bool Call::isIncomingWaiting() const {
if (type() != Call::Type::Incoming) {
return false;
}
return (_state == State::Starting) || (_state == State::WaitingIncoming);
}
void Call::start(bytes::const_span random) {
// Save config here, because it is possible that it changes between
// different usages inside the same call.
_dhConfig = _delegate->getDhConfig();
Assert(_dhConfig.g != 0);
Assert(!_dhConfig.p.empty());
generateModExpFirst(random);
if (_state == State::Starting || _state == State::Requesting) {
if (_type == Type::Outgoing) {
startOutgoing();
} else {
startIncoming();
}
} else if (_state == State::ExchangingKeys
&& _answerAfterDhConfigReceived) {
answer();
}
}
void Call::startOutgoing() {
Expects(_type == Type::Outgoing);
Expects(_state == State::Requesting);
Expects(_gaHash.size() == kSha256Size);
_api.request(MTPphone_RequestCall(
MTP_flags(0),
_user->inputUser,
MTP_int(rand_value<int32>()),
MTP_bytes(_gaHash),
MTP_phoneCallProtocol(
MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p
| MTPDphoneCallProtocol::Flag::f_udp_reflector),
MTP_int(kMinLayer),
MTP_int(TgVoip::getConnectionMaxLayer()),
MTP_vector(CollectVersionsForApi()))
)).done([=](const MTPphone_PhoneCall &result) {
Expects(result.type() == mtpc_phone_phoneCall);
setState(State::Waiting);
auto &call = result.c_phone_phoneCall();
_user->session().data().processUsers(call.vusers());
if (call.vphone_call().type() != mtpc_phoneCallWaiting) {
LOG(("Call Error: Expected phoneCallWaiting in response to phone.requestCall()"));
finish(FinishType::Failed);
return;
}
auto &phoneCall = call.vphone_call();
auto &waitingCall = phoneCall.c_phoneCallWaiting();
_id = waitingCall.vid().v;
_accessHash = waitingCall.vaccess_hash().v;
if (_finishAfterRequestingCall != FinishType::None) {
if (_finishAfterRequestingCall == FinishType::Failed) {
finish(_finishAfterRequestingCall);
} else {
hangup();
}
return;
}
_discardByTimeoutTimer.callOnce(Global::CallReceiveTimeoutMs());
handleUpdate(phoneCall);
}).fail([this](const RPCError &error) {
handleRequestError(error);
}).send();
}
void Call::startIncoming() {
Expects(_type == Type::Incoming);
Expects(_state == State::Starting);
_api.request(MTPphone_ReceivedCall(
MTP_inputPhoneCall(MTP_long(_id), MTP_long(_accessHash))
)).done([=](const MTPBool &result) {
if (_state == State::Starting) {
setState(State::WaitingIncoming);
}
}).fail([=](const RPCError &error) {
handleRequestError(error);
}).send();
}
void Call::answer() {
_delegate->requestMicrophonePermissionOrFail(crl::guard(this, [=] {
actuallyAnswer();
}));
}
void Call::actuallyAnswer() {
Expects(_type == Type::Incoming);
if (_state != State::Starting && _state != State::WaitingIncoming) {
if (_state != State::ExchangingKeys
|| !_answerAfterDhConfigReceived) {
return;
}
}
setState(State::ExchangingKeys);
if (_gb.empty()) {
_answerAfterDhConfigReceived = true;
return;
} else {
_answerAfterDhConfigReceived = false;
}
_api.request(MTPphone_AcceptCall(
MTP_inputPhoneCall(MTP_long(_id), MTP_long(_accessHash)),
MTP_bytes(_gb),
MTP_phoneCallProtocol(
MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p
| MTPDphoneCallProtocol::Flag::f_udp_reflector),
MTP_int(kMinLayer),
MTP_int(TgVoip::getConnectionMaxLayer()),
MTP_vector(CollectVersionsForApi()))
)).done([=](const MTPphone_PhoneCall &result) {
Expects(result.type() == mtpc_phone_phoneCall);
auto &call = result.c_phone_phoneCall();
_user->session().data().processUsers(call.vusers());
if (call.vphone_call().type() != mtpc_phoneCallWaiting) {
LOG(("Call Error: "
"Not phoneCallWaiting in response to phone.acceptCall."));
finish(FinishType::Failed);
return;
}
handleUpdate(call.vphone_call());
}).fail([=](const RPCError &error) {
handleRequestError(error);
}).send();
}
void Call::setMute(bool mute) {
_mute = mute;
if (_controller) {
_controller->setMuteMicrophone(_mute);
}
_muteChanged.notify(_mute);
}
crl::time Call::getDurationMs() const {
return _startTime ? (crl::now() - _startTime) : 0;
}
void Call::hangup() {
if (_state == State::Busy) {
_delegate->callFinished(this);
} else {
auto missed = (_state == State::Ringing || (_state == State::Waiting && _type == Type::Outgoing));
auto declined = isIncomingWaiting();
auto reason = missed ? MTP_phoneCallDiscardReasonMissed() :
declined ? MTP_phoneCallDiscardReasonBusy() : MTP_phoneCallDiscardReasonHangup();
finish(FinishType::Ended, reason);
}
}
void Call::redial() {
if (_state != State::Busy) {
return;
}
Assert(_controller == nullptr);
_type = Type::Outgoing;
setState(State::Requesting);
_answerAfterDhConfigReceived = false;
startWaitingTrack();
_delegate->callRedial(this);
}
QString Call::getDebugLog() const {
return QString::fromStdString(_controller->getDebugInfo());
}
void Call::startWaitingTrack() {
_waitingTrack = Media::Audio::Current().createTrack();
auto trackFileName = _user->session().settings().getSoundPath(
(_type == Type::Outgoing)
? qsl("call_outgoing")
: qsl("call_incoming"));
_waitingTrack->samplePeakEach(kSoundSampleMs);
_waitingTrack->fillFromFile(trackFileName);
_waitingTrack->playInLoop();
}
float64 Call::getWaitingSoundPeakValue() const {
if (_waitingTrack) {
auto when = crl::now() + kSoundSampleMs / 4;
return _waitingTrack->getPeakValue(when);
}
return 0.;
}
bool Call::isKeyShaForFingerprintReady() const {
return (_keyFingerprint != 0);
}
bytes::vector Call::getKeyShaForFingerprint() const {
Expects(isKeyShaForFingerprintReady());
Expects(!_ga.empty());
auto encryptedChatAuthKey = bytes::vector(_authKey.size() + _ga.size(), gsl::byte {});
bytes::copy(gsl::make_span(encryptedChatAuthKey).subspan(0, _authKey.size()), _authKey);
bytes::copy(gsl::make_span(encryptedChatAuthKey).subspan(_authKey.size(), _ga.size()), _ga);
return openssl::Sha256(encryptedChatAuthKey);
}
bool Call::handleUpdate(const MTPPhoneCall &call) {
switch (call.type()) {
case mtpc_phoneCallRequested: {
auto &data = call.c_phoneCallRequested();
if (_type != Type::Incoming
|| _id != 0
|| peerToUser(_user->id) != data.vadmin_id().v) {
Unexpected("phoneCallRequested call inside an existing call handleUpdate()");
}
if (_user->session().userId() != data.vparticipant_id().v) {
LOG(("Call Error: Wrong call participant_id %1, expected %2."
).arg(data.vparticipant_id().v
).arg(_user->session().userId()));
finish(FinishType::Failed);
return true;
}
_id = data.vid().v;
_accessHash = data.vaccess_hash().v;
auto gaHashBytes = bytes::make_span(data.vg_a_hash().v);
if (gaHashBytes.size() != kSha256Size) {
LOG(("Call Error: Wrong g_a_hash size %1, expected %2."
).arg(gaHashBytes.size()
).arg(kSha256Size));
finish(FinishType::Failed);
return true;
}
_gaHash = bytes::make_vector(gaHashBytes);
} return true;
case mtpc_phoneCallEmpty: {
auto &data = call.c_phoneCallEmpty();
if (data.vid().v != _id) {
return false;
}
LOG(("Call Error: phoneCallEmpty received."));
finish(FinishType::Failed);
} return true;
case mtpc_phoneCallWaiting: {
auto &data = call.c_phoneCallWaiting();
if (data.vid().v != _id) {
return false;
}
if (_type == Type::Outgoing
&& _state == State::Waiting
&& data.vreceive_date().value_or_empty() != 0) {
_discardByTimeoutTimer.callOnce(Global::CallRingTimeoutMs());
setState(State::Ringing);
startWaitingTrack();
}
} return true;
case mtpc_phoneCall: {
auto &data = call.c_phoneCall();
if (data.vid().v != _id) {
return false;
}
if (_type == Type::Incoming
&& _state == State::ExchangingKeys
&& !_controller) {
startConfirmedCall(data);
}
} return true;
case mtpc_phoneCallDiscarded: {
auto &data = call.c_phoneCallDiscarded();
if (data.vid().v != _id) {
return false;
}
if (data.is_need_debug()) {
auto debugLog = _controller
? _controller->getDebugInfo()
: std::string();
if (!debugLog.empty()) {
user()->session().api().request(MTPphone_SaveCallDebug(
MTP_inputPhoneCall(
MTP_long(_id),
MTP_long(_accessHash)),
MTP_dataJSON(MTP_string(debugLog))
)).send();
}
}
if (data.is_need_rating() && _id && _accessHash) {
Ui::show(Box<RateCallBox>(&_user->session(), _id, _accessHash));
}
const auto reason = data.vreason();
if (reason && reason->type() == mtpc_phoneCallDiscardReasonDisconnect) {
LOG(("Call Info: Discarded with DISCONNECT reason."));
}
if (reason && reason->type() == mtpc_phoneCallDiscardReasonBusy) {
setState(State::Busy);
} else if (_type == Type::Outgoing || _state == State::HangingUp) {
setState(State::Ended);
} else {
setState(State::EndedByOtherDevice);
}
} return true;
case mtpc_phoneCallAccepted: {
auto &data = call.c_phoneCallAccepted();
if (data.vid().v != _id) {
return false;
}
if (_type != Type::Outgoing) {
LOG(("Call Error: "
"Unexpected phoneCallAccepted for an incoming call."));
finish(FinishType::Failed);
} else if (checkCallFields(data)) {
confirmAcceptedCall(data);
}
} return true;
}
Unexpected("phoneCall type inside an existing call handleUpdate()");
}
void Call::confirmAcceptedCall(const MTPDphoneCallAccepted &call) {
Expects(_type == Type::Outgoing);
if (_state == State::ExchangingKeys
|| _controller) {
LOG(("Call Warning: Unexpected confirmAcceptedCall."));
return;
}
const auto firstBytes = bytes::make_span(call.vg_b().v);
const auto computedAuthKey = MTP::CreateAuthKey(
firstBytes,
_randomPower,
_dhConfig.p);
if (computedAuthKey.empty()) {
LOG(("Call Error: Could not compute mod-exp final."));
finish(FinishType::Failed);
return;
}
MTP::AuthKey::FillData(_authKey, computedAuthKey);
_keyFingerprint = ComputeFingerprint(_authKey);
setState(State::ExchangingKeys);
_api.request(MTPphone_ConfirmCall(
MTP_inputPhoneCall(MTP_long(_id), MTP_long(_accessHash)),
MTP_bytes(_ga),
MTP_long(_keyFingerprint),
MTP_phoneCallProtocol(
MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p
| MTPDphoneCallProtocol::Flag::f_udp_reflector),
MTP_int(kMinLayer),
MTP_int(TgVoip::getConnectionMaxLayer()),
MTP_vector(CollectVersionsForApi()))
)).done([this](const MTPphone_PhoneCall &result) {
Expects(result.type() == mtpc_phone_phoneCall);
auto &call = result.c_phone_phoneCall();
_user->session().data().processUsers(call.vusers());
if (call.vphone_call().type() != mtpc_phoneCall) {
LOG(("Call Error: Expected phoneCall in response to phone.confirmCall()"));
finish(FinishType::Failed);
return;
}
createAndStartController(call.vphone_call().c_phoneCall());
}).fail([this](const RPCError &error) {
handleRequestError(error);
}).send();
}
void Call::startConfirmedCall(const MTPDphoneCall &call) {
Expects(_type == Type::Incoming);
auto firstBytes = bytes::make_span(call.vg_a_or_b().v);
if (_gaHash != openssl::Sha256(firstBytes)) {
LOG(("Call Error: Wrong g_a hash received."));
finish(FinishType::Failed);
return;
}
_ga = bytes::vector(firstBytes.begin(), firstBytes.end());
auto computedAuthKey = MTP::CreateAuthKey(firstBytes, _randomPower, _dhConfig.p);
if (computedAuthKey.empty()) {
LOG(("Call Error: Could not compute mod-exp final."));
finish(FinishType::Failed);
return;
}
MTP::AuthKey::FillData(_authKey, computedAuthKey);
_keyFingerprint = ComputeFingerprint(_authKey);
createAndStartController(call);
}
void Call::createAndStartController(const MTPDphoneCall &call) {
_discardByTimeoutTimer.cancel();
if (!checkCallFields(call)) {
return;
}
const auto &protocol = call.vprotocol().c_phoneCallProtocol();
TgVoipConfig config;
config.dataSaving = TgVoipDataSaving::Never;
config.enableAEC = !Platform::IsMac10_7OrGreater();
config.enableNS = true;
config.enableAGC = true;
config.enableVolumeControl = true;
config.initializationTimeout = Global::CallConnectTimeoutMs() / 1000.;
config.receiveTimeout = Global::CallPacketTimeoutMs() / 1000.;
config.enableP2P = call.is_p2p_allowed();
config.maxApiLayer = protocol.vmax_layer().v;
if (Logs::DebugEnabled()) {
auto callLogFolder = cWorkingDir() + qsl("DebugLogs");
auto callLogPath = callLogFolder + qsl("/last_call_log.txt");
auto callLogNative = QDir::toNativeSeparators(callLogPath);
#ifdef Q_OS_WIN
config.logPath = callLogNative.toStdWString();
#else // Q_OS_WIN
const auto callLogUtf = QFile::encodeName(callLogNative);
config.logPath.resize(callLogUtf.size());
ranges::copy(callLogUtf, config.logPath.begin());
#endif // Q_OS_WIN
QFile(callLogPath).remove();
QDir().mkpath(callLogFolder);
}
auto endpoints = std::vector<TgVoipEndpoint>();
for (const auto &connection : call.vconnections().v) {
AppendEndpoint(endpoints, connection);
}
auto proxy = TgVoipProxy();
if (Global::UseProxyForCalls()
&& (Global::ProxySettings() == MTP::ProxyData::Settings::Enabled)) {
const auto &selected = Global::SelectedProxy();
if (selected.supportsCalls()) {
Assert(selected.type == MTP::ProxyData::Type::Socks5);
proxy.host = selected.host.toStdString();
proxy.port = selected.port;
proxy.login = selected.user.toStdString();
proxy.password = selected.password.toStdString();
}
}
auto encryptionKey = TgVoipEncryptionKey();
encryptionKey.isOutgoing = (_type == Type::Outgoing);
encryptionKey.value = ranges::view::all(
_authKey
) | ranges::view::transform([](bytes::type byte) {
return static_cast<uint8_t>(byte);
}) | ranges::to_vector;
_controller = MakeController(
"2.4.4",
config,
TgVoipPersistentState(),
endpoints,
proxy.host.empty() ? nullptr : &proxy,
TgVoipNetworkType::Unknown,
encryptionKey);
const auto raw = _controller.get();
raw->setOnStateUpdated([=](TgVoipState state) {
handleControllerStateChange(raw, state);
});
raw->setOnSignalBarsUpdated([=](int count) {
handleControllerBarCountChange(count);
});
if (_mute) {
raw->setMuteMicrophone(_mute);
}
raw->setAudioOutputDevice(
Global::CallOutputDeviceID().toStdString());
raw->setAudioInputDevice(
Global::CallInputDeviceID().toStdString());
raw->setOutputVolume(Global::CallOutputVolume() / 100.0f);
raw->setInputVolume(Global::CallInputVolume() / 100.0f);
raw->setAudioOutputDuckingEnabled(Global::CallAudioDuckingEnabled());
}
void Call::handleControllerStateChange(
not_null<Controller*> controller,
TgVoipState state) {
// NB! Can be called from an arbitrary thread!
// This can be called from ~VoIPController()!
switch (state) {
case TgVoipState::WaitInit: {
DEBUG_LOG(("Call Info: State changed to WaitingInit."));
setStateQueued(State::WaitingInit);
} break;
case TgVoipState::WaitInitAck: {
DEBUG_LOG(("Call Info: State changed to WaitingInitAck."));
setStateQueued(State::WaitingInitAck);
} break;
case TgVoipState::Established: {
DEBUG_LOG(("Call Info: State changed to Established."));
setStateQueued(State::Established);
} break;
case TgVoipState::Failed: {
auto error = QString::fromStdString(controller->getLastError());
LOG(("Call Info: State changed to Failed, error: %1.").arg(error));
setFailedQueued(error);
} break;
default: LOG(("Call Error: Unexpected state in handleStateChange: %1"
).arg(int(state)));
}
}
void Call::handleControllerBarCountChange(int count) {
// NB! Can be called from an arbitrary thread!
// This can be called from ~VoIPController()!
crl::on_main(this, [=] {
setSignalBarCount(count);
});
}
void Call::setSignalBarCount(int count) {
if (_signalBarCount != count) {
_signalBarCount = count;
_signalBarCountChanged.notify(count);
}
}
template <typename T>
bool Call::checkCallCommonFields(const T &call) {
auto checkFailed = [this] {
finish(FinishType::Failed);
return false;
};
if (call.vaccess_hash().v != _accessHash) {
LOG(("Call Error: Wrong call access_hash."));
return checkFailed();
}
auto adminId = (_type == Type::Outgoing) ? _user->session().userId() : peerToUser(_user->id);
auto participantId = (_type == Type::Outgoing) ? peerToUser(_user->id) : _user->session().userId();
if (call.vadmin_id().v != adminId) {
LOG(("Call Error: Wrong call admin_id %1, expected %2.").arg(call.vadmin_id().v).arg(adminId));
return checkFailed();
}
if (call.vparticipant_id().v != participantId) {
LOG(("Call Error: Wrong call participant_id %1, expected %2.").arg(call.vparticipant_id().v).arg(participantId));
return checkFailed();
}
return true;
}
bool Call::checkCallFields(const MTPDphoneCall &call) {
if (!checkCallCommonFields(call)) {
return false;
}
if (call.vkey_fingerprint().v != _keyFingerprint) {
LOG(("Call Error: Wrong call fingerprint."));
finish(FinishType::Failed);
return false;
}
return true;
}
bool Call::checkCallFields(const MTPDphoneCallAccepted &call) {
return checkCallCommonFields(call);
}
void Call::setState(State state) {
if (_state == State::Failed) {
return;
}
if (_state == State::FailedHangingUp && state != State::Failed) {
return;
}
if (_state != state) {
_state = state;
_stateChanged.notify(state, true);
if (true
&& _state != State::Starting
&& _state != State::Requesting
&& _state != State::Waiting
&& _state != State::WaitingIncoming
&& _state != State::Ringing) {
_waitingTrack.reset();
}
if (false
|| _state == State::Ended
|| _state == State::EndedByOtherDevice
|| _state == State::Failed
|| _state == State::Busy) {
// Destroy controller before destroying Call Panel,
// so that the panel hide animation is smooth.
destroyController();
}
switch (_state) {
case State::Established:
_startTime = crl::now();
break;
case State::ExchangingKeys:
_delegate->playSound(Delegate::Sound::Connecting);
break;
case State::Ended:
_delegate->playSound(Delegate::Sound::Ended);
[[fallthrough]];
case State::EndedByOtherDevice:
_delegate->callFinished(this);
break;
case State::Failed:
_delegate->playSound(Delegate::Sound::Ended);
_delegate->callFailed(this);
break;
case State::Busy:
_delegate->playSound(Delegate::Sound::Busy);
break;
}
}
}
void Call::setCurrentAudioDevice(bool input, std::string deviceID) {
if (_controller) {
if (input) {
_controller->setAudioInputDevice(deviceID);
} else {
_controller->setAudioOutputDevice(deviceID);
}
}
}
void Call::setAudioVolume(bool input, float level) {
if (_controller) {
if (input) {
_controller->setInputVolume(level);
} else {
_controller->setOutputVolume(level);
}
}
}
void Call::setAudioDuckingEnabled(bool enabled) {
if (_controller) {
_controller->setAudioOutputDuckingEnabled(enabled);
}
}
void Call::finish(FinishType type, const MTPPhoneCallDiscardReason &reason) {
Expects(type != FinishType::None);
setSignalBarCount(kSignalBarFinished);
auto finalState = (type == FinishType::Ended) ? State::Ended : State::Failed;
auto hangupState = (type == FinishType::Ended) ? State::HangingUp : State::FailedHangingUp;
if (_state == State::Requesting) {
_finishByTimeoutTimer.call(kHangupTimeoutMs, [this, finalState] { setState(finalState); });
_finishAfterRequestingCall = type;
return;
}
if (_state == State::HangingUp
|| _state == State::FailedHangingUp
|| _state == State::EndedByOtherDevice
|| _state == State::Ended
|| _state == State::Failed) {
return;
}
if (!_id) {
setState(finalState);
return;
}
setState(hangupState);
auto duration = getDurationMs() / 1000;
auto connectionId = _controller ? _controller->getPreferredRelayId() : 0;
_finishByTimeoutTimer.call(kHangupTimeoutMs, [this, finalState] { setState(finalState); });
_api.request(MTPphone_DiscardCall(
MTP_flags(0),
MTP_inputPhoneCall(
MTP_long(_id),
MTP_long(_accessHash)),
MTP_int(duration),
reason,
MTP_long(connectionId)
)).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); });
_user->session().api().applyUpdates(result);
}).fail([this, finalState](const RPCError &error) {
setState(finalState);
}).send();
}
void Call::setStateQueued(State state) {
crl::on_main(this, [=] {
setState(state);
});
}
void Call::setFailedQueued(const QString &error) {
crl::on_main(this, [=] {
handleControllerError(error);
});
}
void Call::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 Call::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);
}
void Call::destroyController() {
if (_controller) {
DEBUG_LOG(("Call Info: Destroying call controller.."));
_controller.reset();
DEBUG_LOG(("Call Info: Call controller destroyed."));
}
setSignalBarCount(kSignalBarFinished);
}
Call::~Call() {
destroyController();
}
void UpdateConfig(const std::string &data) {
TgVoip::setGlobalServerConfig(data);
}
} // namespace Calls