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Slightly improved code style in Calls:Call.

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23rd 2021-10-22 03:14:48 +03:00 • committed by John Preston
parent 78f0cf908e
commit b5d9947408
2 changed files with 128 additions and 85 deletions
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207
Telegram/SourceFiles/calls/calls_call.cpp
View file

@ -47,6 +47,7 @@ namespace {
constexpr auto kMinLayer = 65;
constexpr auto kHangupTimeoutMs = 5000;
constexpr auto kSha256Size = 32;
constexpr auto kAuthKeySize = 256;
const auto kDefaultVersion = "2.4.4"_q;
const auto RegisterTag = tgcalls::Register<tgcalls::InstanceImpl>();
@ -133,12 +134,11 @@ uint64 ComputeFingerprint(bytes::const_span authKey) {
[[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;
return ranges::views::all(
data
) | ranges::views::transform([=](const std::string &string) {
return MTP_string(string);
}) | ranges::to<QVector<MTPstring>>;
}
[[nodiscard]] QVector<MTPstring> CollectVersionsForApi() {
@ -249,16 +249,17 @@ void Call::startOutgoing() {
setState(State::Waiting);
auto &call = result.c_phone_phoneCall();
const 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()"));
LOG(("Call Error: Expected phoneCallWaiting in response to "
"phone.requestCall()"));
finish(FinishType::Failed);
return;
}
auto &phoneCall = call.vphone_call();
auto &waitingCall = phoneCall.c_phoneCallWaiting();
const auto &phoneCall = call.vphone_call();
const auto &waitingCall = phoneCall.c_phoneCallWaiting();
_id = waitingCall.vid().v;
_accessHash = waitingCall.vaccess_hash().v;
if (_finishAfterRequestingCall != FinishType::None) {
@ -274,7 +275,7 @@ void Call::startOutgoing() {
_discardByTimeoutTimer.callOnce(config.callReceiveTimeoutMs);
handleUpdate(phoneCall);
}).fail([this](const MTP::Error &error) {
handleRequestError(error);
handleRequestError(error.type());
}).send();
}
@ -289,7 +290,7 @@ void Call::startIncoming() {
setState(State::WaitingIncoming);
}
}).fail([=](const MTP::Error &error) {
handleRequestError(error);
handleRequestError(error.type());
}).send();
}
@ -329,7 +330,7 @@ void Call::actuallyAnswer() {
)).done([=](const MTPphone_PhoneCall &result) {
Expects(result.type() == mtpc_phone_phoneCall);
auto &call = result.c_phone_phoneCall();
const auto &call = result.c_phone_phoneCall();
_user->session().data().processUsers(call.vusers());
if (call.vphone_call().type() != mtpc_phoneCallWaiting) {
LOG(("Call Error: "
@ -340,7 +341,7 @@ void Call::actuallyAnswer() {
handleUpdate(call.vphone_call());
}).fail([=](const MTP::Error &error) {
handleRequestError(error);
handleRequestError(error.type());
}).send();
}
@ -412,10 +413,14 @@ 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();
const auto missed = (state == State::Ringing
|| (state == State::Waiting && _type == Type::Outgoing));
const auto declined = isIncomingWaiting();
const auto reason = missed
? MTP_phoneCallDiscardReasonMissed()
: declined
? MTP_phoneCallDiscardReasonBusy()
: MTP_phoneCallDiscardReasonHangup();
finish(FinishType::Ended, reason);
}
}
@ -440,7 +445,7 @@ QString Call::getDebugLog() const {
void Call::startWaitingTrack() {
_waitingTrack = Media::Audio::Current().createTrack();
auto trackFileName = Core::App().settings().getSoundPath(
const auto trackFileName = Core::App().settings().getSoundPath(
(_type == Type::Outgoing)
? qsl("call_outgoing")
: qsl("call_incoming"));
@ -460,13 +465,13 @@ void Call::sendSignalingData(const QByteArray &data) {
finish(FinishType::Failed);
}
}).fail([=](const MTP::Error &error) {
handleRequestError(error);
handleRequestError(error.type());
}).send();
}
float64 Call::getWaitingSoundPeakValue() const {
if (_waitingTrack) {
auto when = crl::now() + kSoundSampleMs / 4;
const auto when = crl::now() + kSoundSampleMs / 4;
return _waitingTrack->getPeakValue(when);
}
return 0.;
@ -480,20 +485,29 @@ 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);
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();
const auto &data = call.c_phoneCallRequested();
if (_type != Type::Incoming
|| _id != 0
|| peerToUser(_user->id) != UserId(data.vadmin_id())) {
Unexpected("phoneCallRequested call inside an existing call handleUpdate()");
Unexpected("phoneCallRequested call inside an existing call "
"handleUpdate()");
}
if (_user->session().userId() != UserId(data.vparticipant_id())) {
LOG(("Call Error: Wrong call participant_id %1, expected %2."
@ -505,7 +519,7 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
_id = data.vid().v;
_accessHash = data.vaccess_hash().v;
auto gaHashBytes = bytes::make_span(data.vg_a_hash().v);
const 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()
@ -517,7 +531,7 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
} return true;
case mtpc_phoneCallEmpty: {
auto &data = call.c_phoneCallEmpty();
const auto &data = call.c_phoneCallEmpty();
if (data.vid().v != _id) {
return false;
}
@ -526,7 +540,7 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
} return true;
case mtpc_phoneCallWaiting: {
auto &data = call.c_phoneCallWaiting();
const auto &data = call.c_phoneCallWaiting();
if (data.vid().v != _id) {
return false;
}
@ -541,7 +555,7 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
} return true;
case mtpc_phoneCall: {
auto &data = call.c_phoneCall();
const auto &data = call.c_phoneCall();
if (data.vid().v != _id) {
return false;
}
@ -553,12 +567,12 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
} return true;
case mtpc_phoneCallDiscarded: {
auto &data = call.c_phoneCallDiscarded();
const auto &data = call.c_phoneCallDiscarded();
if (data.vid().v != _id) {
return false;
}
if (data.is_need_debug()) {
auto debugLog = _instance
const auto debugLog = _instance
? _instance->getDebugInfo()
: std::string();
if (!debugLog.empty()) {
@ -598,7 +612,8 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
}, box->lifetime());
}
const auto reason = data.vreason();
if (reason && reason->type() == mtpc_phoneCallDiscardReasonDisconnect) {
if (reason
&& reason->type() == mtpc_phoneCallDiscardReasonDisconnect) {
LOG(("Call Info: Discarded with DISCONNECT reason."));
}
if (reason && reason->type() == mtpc_phoneCallDiscardReasonBusy) {
@ -612,7 +627,7 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
} return true;
case mtpc_phoneCallAccepted: {
auto &data = call.c_phoneCallAccepted();
const auto &data = call.c_phoneCallAccepted();
if (data.vid().v != _id) {
return false;
}
@ -704,24 +719,25 @@ void Call::confirmAcceptedCall(const MTPDphoneCallAccepted &call) {
)).done([=](const MTPphone_PhoneCall &result) {
Expects(result.type() == mtpc_phone_phoneCall);
auto &call = result.c_phone_phoneCall();
const 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()"));
LOG(("Call Error: Expected phoneCall in response to "
"phone.confirmCall()"));
finish(FinishType::Failed);
return;
}
createAndStartController(call.vphone_call().c_phoneCall());
}).fail([=](const MTP::Error &error) {
handleRequestError(error);
handleRequestError(error.type());
}).send();
}
void Call::startConfirmedCall(const MTPDphoneCall &call) {
Expects(_type == Type::Incoming);
auto firstBytes = bytes::make_span(call.vg_a_or_b().v);
const 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);
@ -729,7 +745,10 @@ void Call::startConfirmedCall(const MTPDphoneCall &call) {
}
_ga = bytes::vector(firstBytes.begin(), firstBytes.end());
auto computedAuthKey = MTP::CreateAuthKey(firstBytes, _randomPower, _dhConfig.p);
const auto computedAuthKey = MTP::CreateAuthKey(
firstBytes,
_randomPower,
_dhConfig.p);
if (computedAuthKey.empty()) {
LOG(("Call Error: Could not compute mod-exp final."));
finish(FinishType::Failed);
@ -744,22 +763,25 @@ void Call::startConfirmedCall(const MTPDphoneCall &call) {
void Call::createAndStartController(const MTPDphoneCall &call) {
_discardByTimeoutTimer.cancel();
if (!checkCallFields(call) || _authKey.size() != 256) {
if (!checkCallFields(call) || _authKey.size() != kAuthKeySize) {
return;
}
const auto &protocol = call.vprotocol().c_phoneCallProtocol();
const auto &serverConfig = _user->session().serverConfig();
auto encryptionKeyValue = std::make_shared<std::array<uint8_t, 256>>();
memcpy(encryptionKeyValue->data(), _authKey.data(), 256);
auto encryptionKeyValue = std::make_shared<std::array<
uint8_t,
kAuthKeySize>>();
memcpy(encryptionKeyValue->data(), _authKey.data(), kAuthKeySize);
const auto &settings = Core::App().settings();
const auto weak = base::make_weak(this);
tgcalls::Descriptor descriptor = {
.config = tgcalls::Config{
.initializationTimeout = serverConfig.callConnectTimeoutMs / 1000.,
.initializationTimeout =
serverConfig.callConnectTimeoutMs / 1000.,
.receiveTimeout = serverConfig.callPacketTimeoutMs / 1000.,
.dataSaving = tgcalls::DataSaving::Never,
.enableP2P = call.is_p2p_allowed(),
@ -789,7 +811,9 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
handleControllerBarCountChange(count);
});
},
.remoteMediaStateUpdated = [=](tgcalls::AudioState audio, tgcalls::VideoState video) {
.remoteMediaStateUpdated = [=](
tgcalls::AudioState audio,
tgcalls::VideoState video) {
crl::on_main(weak, [=] {
updateRemoteMediaState(audio, video);
});
@ -806,9 +830,9 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
settings.callAudioBackend()),
};
if (Logs::DebugEnabled()) {
auto callLogFolder = cWorkingDir() + qsl("DebugLogs");
auto callLogPath = callLogFolder + qsl("/last_call_log.txt");
auto callLogNative = QDir::toNativeSeparators(callLogPath);
const auto callLogFolder = cWorkingDir() + qsl("DebugLogs");
const auto callLogPath = callLogFolder + qsl("/last_call_log.txt");
const auto callLogNative = QDir::toNativeSeparators(callLogPath);
#ifdef Q_OS_WIN
descriptor.config.logPath.data = callLogNative.toStdWString();
#else // Q_OS_WIN
@ -828,7 +852,7 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
}
{
auto &settingsProxy = Core::App().settings().proxy();
const auto &settingsProxy = Core::App().settings().proxy();
using ProxyData = MTP::ProxyData;
if (settingsProxy.useProxyForCalls() && settingsProxy.isEnabled()) {
const auto &selected = settingsProxy.selected();
@ -888,7 +912,7 @@ void Call::handleControllerStateChange(tgcalls::State state) {
} break;
case tgcalls::State::Failed: {
auto error = _instance
const auto error = _instance
? QString::fromStdString(_instance->getLastError())
: QString();
LOG(("Call Info: State changed to Failed, error: %1.").arg(error));
@ -910,7 +934,7 @@ void Call::setSignalBarCount(int count) {
template <typename T>
bool Call::checkCallCommonFields(const T &call) {
auto checkFailed = [this] {
const auto checkFailed = [this] {
finish(FinishType::Failed);
return false;
};
@ -918,14 +942,22 @@ bool Call::checkCallCommonFields(const T &call) {
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();
const auto adminId = (_type == Type::Outgoing)
? _user->session().userId()
: peerToUser(_user->id);
const auto participantId = (_type == Type::Outgoing)
? peerToUser(_user->id)
: _user->session().userId();
if (UserId(call.vadmin_id()) != adminId) {
LOG(("Call Error: Wrong call admin_id %1, expected %2.").arg(call.vadmin_id().v).arg(adminId.bare));
LOG(("Call Error: Wrong call admin_id %1, expected %2.")
.arg(call.vadmin_id().v)
.arg(adminId.bare));
return checkFailed();
}
if (UserId(call.vparticipant_id()) != participantId) {
LOG(("Call Error: Wrong call participant_id %1, expected %2.").arg(call.vparticipant_id().v).arg(participantId.bare));
LOG(("Call Error: Wrong call participant_id %1, expected %2.")
.arg(call.vparticipant_id().v)
.arg(participantId.bare));
return checkFailed();
}
return true;
@ -951,7 +983,8 @@ void Call::setState(State state) {
if (_state.current() == State::Failed) {
return;
}
if (_state.current() == State::FailedHangingUp && state != State::Failed) {
if (_state.current() == State::FailedHangingUp
&& state != State::Failed) {
return;
}
if (_state.current() != state) {
@ -1114,11 +1147,17 @@ void Call::finish(FinishType type, const MTPPhoneCallDiscardReason &reason) {
setSignalBarCount(kSignalBarFinished);
auto finalState = (type == FinishType::Ended) ? State::Ended : State::Failed;
auto hangupState = (type == FinishType::Ended) ? State::HangingUp : State::FailedHangingUp;
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::Requesting) {
_finishByTimeoutTimer.call(kHangupTimeoutMs, [this, finalState] { setState(finalState); });
_finishByTimeoutTimer.call(kHangupTimeoutMs, [this, finalState] {
setState(finalState);
});
_finishAfterRequestingCall = type;
return;
}
@ -1135,11 +1174,17 @@ void Call::finish(FinishType type, const MTPPhoneCallDiscardReason &reason) {
}
setState(hangupState);
auto duration = getDurationMs() / 1000;
auto connectionId = _instance ? _instance->getPreferredRelayId() : 0;
_finishByTimeoutTimer.call(kHangupTimeoutMs, [this, finalState] { setState(finalState); });
const auto flags = ((_videoIncoming->state() != Webrtc::VideoState::Inactive)
|| (_videoOutgoing->state() != Webrtc::VideoState::Inactive))
const auto duration = getDurationMs() / 1000;
const auto connectionId = _instance
? _instance->getPreferredRelayId()
: 0;
_finishByTimeoutTimer.call(kHangupTimeoutMs, [this, finalState] {
setState(finalState);
});
using Video = Webrtc::VideoState;
const auto flags = ((_videoIncoming->state() != Video::Inactive)
|| (_videoOutgoing->state() != Video::Inactive))
? MTPphone_DiscardCall::Flag::f_video
: MTPphone_DiscardCall::Flag(0);
@ -1177,30 +1222,28 @@ void Call::setFailedQueued(const QString &error) {
});
}
void Call::handleRequestError(const MTP::Error &error) {
if (error.type() == qstr("USER_PRIVACY_RESTRICTED")) {
Ui::show(Box<Ui::InformBox>(
tr::lng_call_error_not_available(tr::now, lt_user, _user->name)));
} else if (error.type() == qstr("PARTICIPANT_VERSION_OUTDATED")) {
Ui::show(Box<Ui::InformBox>(
tr::lng_call_error_outdated(tr::now, lt_user, _user->name)));
} else if (error.type() == qstr("CALL_PROTOCOL_LAYER_INVALID")) {
Ui::show(Box<Ui::InformBox>(
Lang::Hard::CallErrorIncompatible().replace(
"{user}",
_user->name)));
void Call::handleRequestError(const QString &error) {
const auto inform = (error == u"USER_PRIVACY_RESTRICTED"_q)
? tr::lng_call_error_not_available(tr::now, lt_user, _user->name)
: (error == u"PARTICIPANT_VERSION_OUTDATED"_q)
? tr::lng_call_error_outdated(tr::now, lt_user, _user->name)
: (error == u"CALL_PROTOCOL_LAYER_INVALID"_q)
? Lang::Hard::CallErrorIncompatible().replace("{user}", _user->name)
: QString();
if (!inform.isEmpty()) {
Ui::show(Box<Ui::InformBox>(inform));
}
finish(FinishType::Failed);
}
void Call::handleControllerError(const QString &error) {
if (error == u"ERROR_INCOMPATIBLE"_q) {
Ui::show(Box<Ui::InformBox>(
Lang::Hard::CallErrorIncompatible().replace(
"{user}",
_user->name)));
} else if (error == u"ERROR_AUDIO_IO"_q) {
Ui::show(Box<Ui::InformBox>(tr::lng_call_error_audio_io(tr::now)));
const auto inform = (error == u"ERROR_INCOMPATIBLE"_q)
? Lang::Hard::CallErrorIncompatible().replace("{user}", _user->name)
: (error == u"ERROR_AUDIO_IO"_q)
? tr::lng_call_error_audio_io(tr::now)
: QString();
if (!inform.isEmpty()) {
Ui::show(Box<Ui::InformBox>(inform));
}
finish(FinishType::Failed);
}

6
Telegram/SourceFiles/calls/calls_call.h
View file

@ -215,7 +215,7 @@ private:
Failed,
};
void handleRequestError(const MTP::Error &error);
void handleRequestError(const QString &error);
void handleControllerError(const QString &error);
void finish(
FinishType type,
@ -255,7 +255,8 @@ private:
MTP::Sender _api;
Type _type = Type::Outgoing;
rpl::variable<State> _state = State::Starting;
rpl::variable<RemoteAudioState> _remoteAudioState = RemoteAudioState::Active;
rpl::variable<RemoteAudioState> _remoteAudioState =
RemoteAudioState::Active;
rpl::variable<Webrtc::VideoState> _remoteVideoState;
rpl::event_stream<Error> _errors;
FinishType _finishAfterRequestingCall = FinishType::None;
@ -273,7 +274,6 @@ private:
bytes::vector _gaHash;
bytes::vector _randomPower;
MTP::AuthKey::Data _authKey;
MTPPhoneCallProtocol _protocol;
uint64 _id = 0;
uint64 _accessHash = 0;