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applying flags from dcOptions

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This commit is contained in:
John Preston
2016-02-23 12:52:18 +03:00
parent 2a0a3b5cbb
commit 0ffc2ce141
6 changed files with 141 additions and 72 deletions
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Telegram/SourceFiles/config.h
+1 -1
View File
@@ -55,7 +55,7 @@ enum {
MTPDownloadSessionsCount = 4, // max 4 download sessions is created
MTPKillFileSessionTimeout = 5000, // how much time without upload / download causes additional session kill
MTPEnumDCTimeout = 4000, // 4 seconds timeout for help_getConfig to work (them move to other dc)
MTPEnumDCTimeout = 8000, // 8 seconds timeout for help_getConfig to work (then move to other dc)
MTPDebugBufferSize = 1024 * 1024, // 1 mb start size
Telegram/SourceFiles/mtproto/mtp.cpp
+18 -1
View File
@@ -622,7 +622,24 @@ namespace _mtp_internal {
namespace MTP {
void start() {
const uint32 cfg = 1 * _mtp_internal::dcShift; // send(MTPhelp_GetConfig(), MTP::cfg + dc) - for dc enum
const uint32 lgt = 2 * _mtp_internal::dcShift; // send(MTPauth_LogOut(), MTP::lgt + dc) - for logout of guest dcs enum
const uint32 dld[MTPDownloadSessionsCount] = { // send(req, callbacks, MTP::dld[i] + dc) - for download
0x10 * _mtp_internal::dcShift,
0x11 * _mtp_internal::dcShift,
0x12 * _mtp_internal::dcShift,
0x13 * _mtp_internal::dcShift,
};
const uint32 upl[MTPUploadSessionsCount] = { // send(req, callbacks, MTP::upl[i] + dc) - for upload
0x20 * _mtp_internal::dcShift,
0x21 * _mtp_internal::dcShift,
0x22 * _mtp_internal::dcShift,
0x23 * _mtp_internal::dcShift,
};
const uint32 dldStart = dld[0], dldEnd = dld[(sizeof(dld) / sizeof(dld[0])) - 1] + _mtp_internal::dcShift;
const uint32 uplStart = upl[0], uplEnd = upl[(sizeof(upl) / sizeof(upl[0])) - 1] + _mtp_internal::dcShift;
void start() {
if (started()) return;
unixtimeInit();
Telegram/SourceFiles/mtproto/mtp.h
+7 -15
View File
@@ -68,20 +68,12 @@ namespace _mtp_internal {
namespace MTP {
static const uint32 cfg = 1 * _mtp_internal::dcShift; // send(MTPhelp_GetConfig(), MTP::cfg + dc) - for dc enum
static const uint32 lgt = 2 * _mtp_internal::dcShift; // send(MTPauth_LogOut(), MTP::lgt + dc) - for logout of guest dcs enum
static const uint32 dld[MTPDownloadSessionsCount] = { // send(req, callbacks, MTP::dld[i] + dc) - for download
0x10 * _mtp_internal::dcShift,
0x11 * _mtp_internal::dcShift,
0x12 * _mtp_internal::dcShift,
0x13 * _mtp_internal::dcShift,
};
static const uint32 upl[MTPUploadSessionsCount] = { // send(req, callbacks, MTP::upl[i] + dc) - for upload
0x20 * _mtp_internal::dcShift,
0x21 * _mtp_internal::dcShift,
0x22 * _mtp_internal::dcShift,
0x23 * _mtp_internal::dcShift,
};
extern const uint32 cfg; // send(MTPhelp_GetConfig(), MTP::cfg + dc) - for dc enum
extern const uint32 lgt; // send(MTPauth_LogOut(), MTP::lgt + dc) - for logout of guest dcs enum
extern const uint32 dld[MTPDownloadSessionsCount]; // send(req, callbacks, MTP::dld[i] + dc) - for download
extern const uint32 upl[MTPUploadSessionsCount]; // send(req, callbacks, MTP::upl[i] + dc) - for upload
extern const uint32 dldStart, dldEnd; // dc >= dldStart && dc < dldEnd => dc in dld
extern const uint32 uplStart, uplEnd; // dc >= uplStart && dc < uplEnd => dc in upl
void start();
bool started();
@@ -119,7 +111,7 @@ namespace MTP {
void cancel(mtpRequestId req);
void killSession(int32 dc);
void stopSession(int32 dc);
enum {
RequestSent = 0,
RequestConnecting = 1,
Telegram/SourceFiles/mtproto/mtpConnection.cpp
+94 -45
View File
@@ -623,8 +623,13 @@ void MTPabstractTcpConnection::socketRead() {
} while (sock.state() == QAbstractSocket::ConnectedState && sock.bytesAvailable());
}
MTPautoConnection::MTPautoConnection(QThread *thread) : status(WaitingBoth),
tcpNonce(MTP::nonce<MTPint128>()), httpNonce(MTP::nonce<MTPint128>()), _tcpTimeout(MTPMinReceiveDelay), _flags(0) {
MTPautoConnection::MTPautoConnection(QThread *thread) : MTPabstractTcpConnection()
, status(WaitingBoth)
, tcpNonce(MTP::nonce<MTPint128>())
, httpNonce(MTP::nonce<MTPint128>())
, _flagsTcp(0)
, _flagsHttp(0)
, _tcpTimeout(MTPMinReceiveDelay) {
moveToThread(thread);
manager.moveToThread(thread);
@@ -647,7 +652,7 @@ tcpNonce(MTP::nonce<MTPint128>()), httpNonce(MTP::nonce<MTPint128>()), _tcpTimeo
void MTPautoConnection::onHttpStart() {
if (status == HttpReady) {
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by timer").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by timer").arg((_flagsHttp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
status = UsingHttp;
sock.disconnectFromHost();
emit connected();
@@ -658,7 +663,7 @@ void MTPautoConnection::onSocketConnected() {
if (status == HttpReady || status == WaitingBoth || status == WaitingTcp) {
mtpBuffer buffer(_preparePQFake(tcpNonce));
DEBUG_LOG(("Connection Info: sending fake req_pq through TCP/%1 transport").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: sending fake req_pq through TCP/%1 transport").arg((_flagsTcp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
if (_tcpTimeout < 0) _tcpTimeout = -_tcpTimeout;
tcpTimeoutTimer.start(_tcpTimeout);
@@ -678,7 +683,7 @@ void MTPautoConnection::onTcpTimeoutTimer() {
if (state == QAbstractSocket::ConnectedState || state == QAbstractSocket::ConnectingState || state == QAbstractSocket::HostLookupState) {
sock.disconnectFromHost();
} else if (state != QAbstractSocket::ClosingState) {
sock.connectToHost(QHostAddress(_addr), _port);
sock.connectToHost(QHostAddress(_addrTcp), _portTcp);
}
}
}
@@ -687,7 +692,7 @@ void MTPautoConnection::onSocketDisconnected() {
if (_tcpTimeout < 0) {
_tcpTimeout = -_tcpTimeout;
if (status == HttpReady || status == WaitingBoth || status == WaitingTcp) {
sock.connectToHost(QHostAddress(_addr), _port);
sock.connectToHost(QHostAddress(_addrTcp), _portTcp);
return;
}
}
@@ -696,7 +701,7 @@ void MTPautoConnection::onSocketDisconnected() {
} else if (status == WaitingTcp || status == UsingTcp) {
emit disconnected();
} else if (status == HttpReady) {
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by socket disconnect").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by socket disconnect").arg((_flagsHttp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
status = UsingHttp;
emit connected();
}
@@ -788,21 +793,27 @@ void MTPautoConnection::disconnectFromServer() {
httpStartTimer.stop();
}
void MTPautoConnection::connectToServer(const QString &addr, int32 port, int32 flags) {
void MTPautoConnection::connectTcp(const QString &addr, int32 port, int32 flags) {
_addrTcp = addr;
_portTcp = port;
_flagsTcp = flags;
connect(&sock, SIGNAL(readyRead()), this, SLOT(socketRead()));
sock.connectToHost(QHostAddress(_addrTcp), _portTcp);
}
void MTPautoConnection::connectHttp(const QString &addr, int32 port, int32 flags) {
address = QUrl(((flags & MTPDdcOption::flag_ipv6) ? qsl("http://[%1]:%2/api") : qsl("http://%1:%2/api")).arg(addr).arg(80));//not p - always 80 port for http transport
TCP_LOG(("HTTP Info: address is %1").arg(address.toDisplayString()));
connect(&manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(requestFinished(QNetworkReply*)));
_addr = addr;
_port = port;
_flags = flags;
connect(&sock, SIGNAL(readyRead()), this, SLOT(socketRead()));
sock.connectToHost(QHostAddress(_addr), _port);
_addrHttp = addr;
_portHttp = port;
_flagsHttp = flags;
mtpBuffer buffer(_preparePQFake(httpNonce));
DEBUG_LOG(("Connection Info: sending fake req_pq through HTTP/%1 transport").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: sending fake req_pq through HTTP/%1 transport").arg((_flagsHttp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
httpSend(buffer);
}
@@ -838,7 +849,7 @@ void MTPautoConnection::requestFinished(QNetworkReply *reply) {
status = HttpReady;
httpStartTimer.start(MTPTcpConnectionWaitTimeout);
} else {
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by pq-response, awaited").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by pq-response, awaited").arg((_flagsHttp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
status = UsingHttp;
sock.disconnectFromHost();
emit connected();
@@ -881,7 +892,7 @@ void MTPautoConnection::socketPacket(const char *packet, uint32 length) {
status = WaitingHttp;
sock.disconnectFromHost();
} else if (status == HttpReady) {
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by bad tcp response, ready").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by bad tcp response, ready").arg((_flagsHttp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
status = UsingHttp;
sock.disconnectFromHost();
emit connected();
@@ -900,7 +911,7 @@ void MTPautoConnection::socketPacket(const char *packet, uint32 length) {
MTPResPQ res_pq = _readPQFakeReply(data);
const MTPDresPQ &res_pq_data(res_pq.c_resPQ());
if (res_pq_data.vnonce == tcpNonce) {
DEBUG_LOG(("Connection Info: TCP/%1-transport chosen by pq-response").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: TCP/%1-transport chosen by pq-response").arg((_flagsTcp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
status = UsingTcp;
emit connected();
}
@@ -910,7 +921,7 @@ void MTPautoConnection::socketPacket(const char *packet, uint32 length) {
status = WaitingHttp;
sock.disconnectFromHost();
} else if (status == HttpReady) {
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by bad tcp response, awaited").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by bad tcp response, awaited").arg((_flagsHttp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
status = UsingHttp;
sock.disconnectFromHost();
emit connected();
@@ -950,7 +961,7 @@ void MTPautoConnection::socketError(QAbstractSocket::SocketError e) {
if (status == WaitingBoth) {
status = WaitingHttp;
} else if (status == HttpReady) {
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by tcp error, ready").arg((_flags & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
DEBUG_LOG(("Connection Info: HTTP/%1-transport chosen by tcp error, ready").arg((_flagsHttp & MTPDdcOption::flag_ipv6) ? "IPv6" : "IPv4"));
status = UsingHttp;
emit connected();
} else if (status == WaitingTcp || status == UsingTcp) {
@@ -1064,7 +1075,7 @@ void MTPtcpConnection::disconnectFromServer() {
sock.close();
}
void MTPtcpConnection::connectToServer(const QString &addr, int32 port, int32 flags) {
void MTPtcpConnection::connectTcp(const QString &addr, int32 port, int32 flags) {
_addr = addr;
_port = port;
_flags = flags;
@@ -1161,7 +1172,7 @@ void MTPhttpConnection::disconnectFromServer() {
address = QUrl();
}
void MTPhttpConnection::connectToServer(const QString &addr, int32 p, int32 flags) {
void MTPhttpConnection::connectHttp(const QString &addr, int32 p, int32 flags) {
address = QUrl(((flags & MTPDdcOption::flag_ipv6) ? qsl("http://[%1]:%2/api") : qsl("http://%1:%2/api")).arg(addr).arg(80));//not p - always 80 port for http transport
TCP_LOG(("HTTP Info: address is %1").arg(address.toDisplayString()));
connect(&manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(requestFinished(QNetworkReply*)));
@@ -1955,34 +1966,70 @@ void MTProtoConnectionPrivate::restartNow() {
}
void MTProtoConnectionPrivate::socketStart(bool afterConfig) {
int32 flags4 = 0, flags6 = 0;
std::string ip4, ip6;
uint32 port4 = 0, port6 = 0;
bool isDldDc = (dc >= MTP::dldStart) && (dc < MTP::dldEnd);
int32 baseDc = (dc % _mtp_internal::dcShift);
static const int IPv4address = 0, IPv6address = 1;
static const int TcpProtocol = 0, HttpProtocol = 1;
int32 flags[2][2] = { { 0 } };
string ip[2][2];
uint32 port[2][2] = { { 0 } };
{
QReadLocker lock(mtpDcOptionsMutex());
const mtpDcOptions &options(cDcOptions());
mtpDcOptions::const_iterator dcIndex4 = options.constFind(dc % _mtp_internal::dcShift);
if (dcIndex4 != options.cend()) {
ip4 = dcIndex4->ip;
flags4 = dcIndex4->flags;
port4 = dcIndex4->port;
}
mtpDcOptions::const_iterator dcIndex6 = options.constFind((dc % _mtp_internal::dcShift) + (_mtp_internal::dcShift * MTPDdcOption::flag_ipv6));
if (dcIndex6 != options.cend()) {
ip6 = dcIndex6->ip;
flags6 = dcIndex6->flags;
port6 = dcIndex6->port;
int32 shifts[2][2][4] = {
{ // IPv4
{ // TCP IPv4
isDldDc ? (MTPDdcOption::flag_media_only | MTPDdcOption::flag_tcpo_only) : -1,
MTPDdcOption::flag_tcpo_only,
isDldDc ? (MTPDdcOption::flag_media_only) : -1,
0
}, { // HTTP IPv4
-1,
-1,
isDldDc ? (MTPDdcOption::flag_media_only) : -1,
0
},
}, { // IPv6
{ // TCP IPv6
isDldDc ? (MTPDdcOption::flag_media_only | MTPDdcOption::flag_tcpo_only | MTPDdcOption::flag_ipv6) : -1,
MTPDdcOption::flag_tcpo_only | MTPDdcOption::flag_ipv6,
isDldDc ? (MTPDdcOption::flag_media_only | MTPDdcOption::flag_ipv6) : -1,
MTPDdcOption::flag_ipv6
}, { // HTTP IPv6
-1,
-1,
isDldDc ? (MTPDdcOption::flag_media_only | MTPDdcOption::flag_ipv6) : -1,
MTPDdcOption::flag_ipv6
},
},
};
for (int32 address = 0, acount = sizeof(shifts) / sizeof(shifts[0]); address < acount; ++address) {
for (int32 protocol = 0, pcount = sizeof(shifts[0]) / sizeof(shifts[0][0]); protocol < pcount; ++protocol) {
for (int32 shift = 0, scount = sizeof(shifts[0][0]) / sizeof(shifts[0][0][0]); shift < scount; ++shift) {
int32 mask = shifts[address][protocol][shift];
if (mask < 0) continue;
mtpDcOptions::const_iterator index = options.constFind(baseDc + _mtp_internal::dcShift * mask);
if (index != options.cend()) {
ip[address][protocol] = index->ip;
flags[address][protocol] = index->flags;
port[address][protocol] = index->port;
break;
}
}
}
}
}
bool noIPv4 = (!port4 || ip4.empty()), noIPv6 = (!cTryIPv6() || !port6 || ip6.empty());
bool noIPv4 = !port[IPv4address][HttpProtocol], noIPv6 = (!cTryIPv6() || !port[IPv6address][HttpProtocol]);
if (noIPv4 && noIPv6) {
if (afterConfig) {
if (noIPv4) LOG(("MTP Error: DC %1 options for IPv4 not found right after config load!").arg(dc));
if (cTryIPv6() && noIPv6) LOG(("MTP Error: DC %1 options for IPv6 not found right after config load!").arg(dc));
if (noIPv4) LOG(("MTP Error: DC %1 options for IPv4 over HTTP not found right after config load!").arg(dc));
if (cTryIPv6() && noIPv6) LOG(("MTP Error: DC %1 options for IPv6 over HTTP not found right after config load!").arg(dc));
return restart();
}
if (noIPv4) DEBUG_LOG(("MTP Info: DC %1 options for IPv4 not found, waiting for config").arg(dc));
if (cTryIPv6() && noIPv6) DEBUG_LOG(("MTP Info: DC %1 options for IPv6 not found, waiting for config").arg(dc));
if (noIPv4) DEBUG_LOG(("MTP Info: DC %1 options for IPv4 over HTTP not found, waiting for config").arg(dc));
if (cTryIPv6() && noIPv6) DEBUG_LOG(("MTP Info: DC %1 options for IPv6 over HTTP not found, waiting for config").arg(dc));
connect(mtpConfigLoader(), SIGNAL(loaded()), this, SLOT(onConfigLoaded()));
mtpConfigLoader()->load();
return;
@@ -1998,19 +2045,21 @@ void MTProtoConnectionPrivate::socketStart(bool afterConfig) {
_pingId = _pingMsgId = _pingIdToSend = _pingSendAt = 0;
_pingSender.stop();
if (!noIPv4) DEBUG_LOG(("MTP Info: creating IPv4 connection to %1:%2..").arg(ip4.c_str()).arg(port4));
if (!noIPv6) DEBUG_LOG(("MTP Info: creating IPv6 connection to [%1]:%2..").arg(ip6.c_str()).arg(port6));
if (!noIPv4) DEBUG_LOG(("MTP Info: creating IPv4 connection to %1:%2 (tcp) and %1:%2 (http)..").arg(ip[IPv4address][TcpProtocol].c_str()).arg(port[IPv4address][TcpProtocol]).arg(ip[IPv4address][HttpProtocol].c_str()).arg(port[IPv4address][HttpProtocol]));
if (!noIPv6) DEBUG_LOG(("MTP Info: creating IPv4 connection to [%1]:%2 (tcp) and [%1]:%2 (http)..").arg(ip[IPv6address][TcpProtocol].c_str()).arg(port[IPv6address][TcpProtocol]).arg(ip[IPv4address][HttpProtocol].c_str()).arg(port[IPv4address][HttpProtocol]));
_waitForConnectedTimer.start(_waitForConnected);
if (_conn4) {
connect(_conn4, SIGNAL(connected()), this, SLOT(onConnected4()));
connect(_conn4, SIGNAL(disconnected()), this, SLOT(onDisconnected4()));
_conn4->connectToServer(ip4.c_str(), port4, flags4);
_conn4->connectTcp(ip[IPv4address][TcpProtocol].c_str(), port[IPv4address][TcpProtocol], flags[IPv4address][TcpProtocol]);
_conn4->connectHttp(ip[IPv4address][HttpProtocol].c_str(), port[IPv4address][HttpProtocol], flags[IPv4address][HttpProtocol]);
}
if (_conn6) {
connect(_conn6, SIGNAL(connected()), this, SLOT(onConnected6()));
connect(_conn6, SIGNAL(disconnected()), this, SLOT(onDisconnected6()));
_conn6->connectToServer(ip6.c_str(), port6, flags6);
_conn6->connectTcp(ip[IPv6address][TcpProtocol].c_str(), port[IPv6address][TcpProtocol], flags[IPv6address][TcpProtocol]);
_conn6->connectHttp(ip[IPv6address][HttpProtocol].c_str(), port[IPv6address][HttpProtocol], flags[IPv6address][HttpProtocol]);
}
}
Telegram/SourceFiles/mtproto/mtpConnection.h
+13 -6
View File
@@ -113,7 +113,8 @@ public:
virtual void sendData(mtpBuffer &buffer) = 0; // has size + 3, buffer[0] = len, buffer[1] = packetnum, buffer[last] = crc32
virtual void disconnectFromServer() = 0;
virtual void connectToServer(const QString &addr, int32 port, int32 flags) = 0;
virtual void connectTcp(const QString &addr, int32 port, int32 flags) = 0;
virtual void connectHttp(const QString &addr, int32 port, int32 flags) = 0;
virtual bool isConnected() const = 0;
virtual bool usingHttpWait() {
return false;
@@ -181,7 +182,8 @@ public:
void sendData(mtpBuffer &buffer);
void disconnectFromServer();
void connectToServer(const QString &addr, int32 port, int32 flags);
void connectTcp(const QString &addr, int32 port, int32 flags);
void connectHttp(const QString &addr, int32 port, int32 flags);
bool isConnected() const;
bool usingHttpWait();
bool needHttpWait();
@@ -228,8 +230,9 @@ private:
typedef QSet<QNetworkReply*> Requests;
Requests requests;
QString _addr;
int32 _port, _tcpTimeout, _flags;
QString _addrTcp, _addrHttp;
int32 _portTcp, _portHttp, _flagsTcp, _flagsHttp;
int32 _tcpTimeout;
QTimer tcpTimeoutTimer;
};
@@ -243,7 +246,9 @@ public:
void sendData(mtpBuffer &buffer);
void disconnectFromServer();
void connectToServer(const QString &addr, int32 port, int32 flags);
void connectTcp(const QString &addr, int32 port, int32 flags);
void connectHttp(const QString &addr, int32 port, int32 flags) { // not supported
}
bool isConnected() const;
int32 debugState() const;
@@ -288,7 +293,9 @@ public:
void sendData(mtpBuffer &buffer);
void disconnectFromServer();
void connectToServer(const QString &addr, int32 port, int32 flags);
void connectTcp(const QString &addr, int32 port, int32 flags) { // not supported
}
void connectHttp(const QString &addr, int32 port, int32 flags);
bool isConnected() const;
bool usingHttpWait();
bool needHttpWait();
Telegram/SourceFiles/mtproto/mtpDC.cpp
+8 -4
View File
@@ -258,16 +258,20 @@ void MTProtoConfigLoader::enumDC() {
} else {
MTP::killSession(MTP::cfg + _enumCurrent);
}
OrderedSet<int32> dcs;
{
QReadLocker lock(mtpDcOptionsMutex());
const mtpDcOptions &options(cDcOptions());
for (mtpDcOptions::const_iterator i = options.cbegin(), e = options.cend(); i != e; ++i) {
if (i.key() == _enumCurrent) {
_enumCurrent = (++i == e) ? options.cbegin().key() : i.key();
break;
}
dcs.insert(i.key() % _mtp_internal::dcShift);
}
}
OrderedSet<int32>::const_iterator i = dcs.constFind(_enumCurrent);
if (i == dcs.cend() || (++i) == dcs.cend()) {
_enumCurrent = dcs.cbegin().key();
} else {
_enumCurrent = i.key();
}
_enumRequest = MTP::send(MTPhelp_GetConfig(), rpcDone(configLoaded), rpcFail(configFailed), MTP::cfg + _enumCurrent);
_enumDCTimer.start(MTPEnumDCTimeout);