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NekoX/TMessagesProj/jni/tgnet/ConnectionsManager.cpp

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/*
* This is the source code of tgnet library v. 1.0
* It is licensed under GNU GPL v. 2 or later.
* You should have received a copy of the license in this archive (see LICENSE).
*
* Copyright Nikolai Kudashov, 2015.
*/
#include <stdlib.h>
#include <sys/eventfd.h>
#include <unistd.h>
#include <chrono>
#include <algorithm>
#include <fcntl.h>
#include <memory.h>
#include <openssl/rand.h>
#include <zlib.h>
#include "ConnectionsManager.h"
#include "FileLog.h"
#include "EventObject.h"
#include "MTProtoScheme.h"
#include "NativeByteBuffer.h"
#include "Connection.h"
#include "Datacenter.h"
#include "Request.h"
#include "BuffersStorage.h"
#include "ByteArray.h"
#include "Config.h"
#ifdef ANDROID
#include <jni.h>
JavaVM *javaVm = nullptr;
JNIEnv *jniEnv = nullptr;
jclass jclass_ByteBuffer = nullptr;
jmethodID jclass_ByteBuffer_allocateDirect = 0;
#endif
static bool done = false;
ConnectionsManager::ConnectionsManager() {
if ((epolFd = epoll_create(128)) == -1) {
DEBUG_E("unable to create epoll instance");
exit(1);
}
int flags;
if ((flags = fcntl(epolFd, F_GETFD, NULL)) < 0) {
DEBUG_W("fcntl(%d, F_GETFD)", epolFd);
}
if (!(flags & FD_CLOEXEC)) {
if (fcntl(epolFd, F_SETFD, flags | FD_CLOEXEC) == -1) {
DEBUG_W("fcntl(%d, F_SETFD)", epolFd);
}
}
if ((epollEvents = new epoll_event[128]) == nullptr) {
DEBUG_E("unable to allocate epoll events");
exit(1);
}
pipeFd = new int[2];
if (pipe(pipeFd) != 0) {
DEBUG_E("unable to create pipe");
exit(1);
}
flags = fcntl(pipeFd[0], F_GETFL);
if (flags == -1) {
DEBUG_E("fcntl get pipefds[0] failed");
exit(1);
}
if (fcntl(pipeFd[0], F_SETFL, flags | O_NONBLOCK) == -1) {
DEBUG_E("fcntl set pipefds[0] failed");
exit(1);
}
flags = fcntl(pipeFd[1], F_GETFL);
if (flags == -1) {
DEBUG_E("fcntl get pipefds[1] failed");
exit(1);
}
if (fcntl(pipeFd[1], F_SETFL, flags | O_NONBLOCK) == -1) {
DEBUG_E("fcntl set pipefds[1] failed");
exit(1);
}
EventObject *eventObject = new EventObject(pipeFd, EventObjectPipe);
epoll_event eventMask = {};
eventMask.events = EPOLLIN;
eventMask.data.ptr = eventObject;
if (epoll_ctl(epolFd, EPOLL_CTL_ADD, pipeFd[0], &eventMask) != 0) {
DEBUG_E("can't add pipe to epoll");
exit(1);
}
networkBuffer = new NativeByteBuffer((uint32_t) READ_BUFFER_SIZE);
if (networkBuffer == nullptr) {
DEBUG_E("unable to allocate read buffer");
exit(1);
}
pthread_mutex_init(&mutex, NULL);
}
ConnectionsManager::~ConnectionsManager() {
if (epolFd != 0) {
close(epolFd);
epolFd = 0;
}
pthread_mutex_destroy(&mutex);
}
ConnectionsManager& ConnectionsManager::getInstance() {
static ConnectionsManager instance;
return instance;
}
int ConnectionsManager::callEvents(int64_t now) {
if (!events.empty()) {
for (std::list<EventObject *>::iterator iter = events.begin(); iter != events.end();) {
EventObject *eventObject = (*iter);
if (eventObject->time <= now) {
iter = events.erase(iter);
eventObject->onEvent(0);
} else {
int diff = (int) (eventObject->time - now);
return diff > 1000 ? 1000 : diff;
}
}
}
if (!networkPaused) {
return 1000;
}
int32_t timeToPushPing = (sendingPushPing ? 30000 : 60000 * 3) - abs(now - lastPushPingTime);
if (timeToPushPing <= 0) {
return 1000;
}
DEBUG_D("schedule next epoll wakeup in %d ms", timeToPushPing);
return timeToPushPing;
}
void ConnectionsManager::checkPendingTasks() {
while (true) {
std::function<void()> task;
pthread_mutex_lock(&mutex);
if (pendingTasks.empty()) {
pthread_mutex_unlock(&mutex);
return;
}
task = pendingTasks.front();
pendingTasks.pop();
pthread_mutex_unlock(&mutex);
task();
}
}
void ConnectionsManager::select() {
checkPendingTasks();
int eventsCount = epoll_wait(epolFd, epollEvents, 128, callEvents(getCurrentTimeMillis()));
checkPendingTasks();
int64_t now = getCurrentTimeMillis();
callEvents(now);
for (int32_t a = 0; a < eventsCount; a++) {
EventObject *eventObject = (EventObject *) epollEvents[a].data.ptr;
eventObject->onEvent(epollEvents[a].events);
}
size_t count = activeConnections.size();
for (uint32_t a = 0; a < count; a++) {
activeConnections[a]->checkTimeout(now);
}
Datacenter *datacenter = getDatacenterWithId(currentDatacenterId);
if (pushConnectionEnabled) {
if ((sendingPushPing && abs(now - lastPushPingTime) >= 30000) || abs(now - lastPushPingTime) >= 60000 * 3 + 10000) {
lastPushPingTime = 0;
sendingPushPing = false;
if (datacenter != nullptr) {
Connection *connection = datacenter->getPushConnection(false);
if (connection != nullptr) {
connection->suspendConnection();
}
}
DEBUG_D("push ping timeout");
}
if (abs(now - lastPushPingTime) >= 60000 * 3) {
DEBUG_D("time for push ping");
lastPushPingTime = now;
if (datacenter != nullptr) {
sendPing(datacenter, true);
}
}
}
if (lastPauseTime != 0 && abs(now - lastPauseTime) >= nextSleepTimeout) {
bool dontSleep = !requestingSaltsForDc.empty();
if (!dontSleep) {
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
if (request->connectionType & ConnectionTypeDownload || request->connectionType & ConnectionTypeUpload) {
dontSleep = true;
break;
}
}
}
if (!dontSleep) {
for (requestsIter iter = requestsQueue.begin(); iter != requestsQueue.end(); iter++) {
Request *request = iter->get();
if (request->connectionType & ConnectionTypeDownload || request->connectionType & ConnectionTypeUpload) {
dontSleep = true;
break;
}
}
}
if (!dontSleep) {
if (!networkPaused) {
DEBUG_D("pausing network and timers by sleep time = %d", nextSleepTimeout);
for (std::map<uint32_t, Datacenter *>::iterator iter = datacenters.begin(); iter != datacenters.end(); iter++) {
iter->second->suspendConnections();
}
}
networkPaused = true;
return;
} else {
lastPauseTime = now;
DEBUG_D("don't sleep because of salt, upload or download request");
}
}
if (networkPaused) {
networkPaused = false;
DEBUG_D("resume network and timers");
}
if (delegate != nullptr) {
delegate->onUpdate();
}
if (datacenter != nullptr) {
if (datacenter->hasAuthKey()) {
if (abs(now - lastPingTime) >= 19000) {
lastPingTime = now;
sendPing(datacenter, false);
}
if (abs((int32_t) (now / 1000) - lastDcUpdateTime) >= DC_UPDATE_TIME) {
updateDcSettings(0);
}
processRequestQueue(0, 0);
} else if (!datacenter->isHandshaking()) {
datacenter->beginHandshake(true);
}
}
}
void ConnectionsManager::scheduleTask(std::function<void()> task) {
pthread_mutex_lock(&mutex);
pendingTasks.push(task);
pthread_mutex_unlock(&mutex);
wakeup();
}
void ConnectionsManager::scheduleEvent(EventObject *eventObject, uint32_t time) {
eventObject->time = getCurrentTimeMillis() + time;
std::list<EventObject *>::iterator iter;
for (iter = events.begin(); iter != events.end(); iter++) {
if ((*iter)->time > eventObject->time) {
break;
}
}
events.insert(iter, eventObject);
}
void ConnectionsManager::removeEvent(EventObject *eventObject) {
for (std::list<EventObject *>::iterator iter = events.begin(); iter != events.end(); iter++) {
if (*iter == eventObject) {
events.erase(iter);
break;
}
}
}
void ConnectionsManager::wakeup() {
char ch = 'x';
write(pipeFd[1], &ch, 1);
}
void *ConnectionsManager::ThreadProc(void *data) {
DEBUG_D("network thread started");
#ifdef ANDROID
javaVm->AttachCurrentThread(&jniEnv, NULL);
#endif
ConnectionsManager *networkManager = (ConnectionsManager *) (data);
if (networkManager->currentUserId != 0 && networkManager->pushConnectionEnabled) {
Datacenter *datacenter = networkManager->getDatacenterWithId(networkManager->currentDatacenterId);
if (datacenter != nullptr) {
datacenter->createPushConnection()->setSessionId(networkManager->pushSessionId);
networkManager->sendPing(datacenter, true);
}
}
do {
networkManager->select();
} while (!done);
return nullptr;
}
void ConnectionsManager::loadConfig() {
if (config == nullptr) {
config = new Config("tgnet.dat");
}
NativeByteBuffer *buffer = config->readConfig();
if (buffer != nullptr) {
uint32_t version = buffer->readUint32(nullptr);
DEBUG_D("config version = %u", version);
if (version <= configVersion) {
testBackend = buffer->readBool(nullptr);
if (buffer->readBool(nullptr)) {
currentDatacenterId = buffer->readUint32(nullptr);
timeDifference = buffer->readInt32(nullptr);
lastDcUpdateTime = buffer->readInt32(nullptr);
pushSessionId = buffer->readInt64(nullptr);
if (version >= 2) {
registeredForInternalPush = buffer->readBool(nullptr);
}
DEBUG_D("current dc id = %u, time difference = %d, registered for push = %d", currentDatacenterId, timeDifference, (int32_t) registeredForInternalPush);
uint32_t count = buffer->readUint32(nullptr);
for (uint32_t a = 0; a < count; a++) {
sessionsToDestroy.push_back(buffer->readInt64(nullptr));
}
count = buffer->readUint32(nullptr);
for (uint32_t a = 0; a < count; a++) {
Datacenter *datacenter = new Datacenter(buffer);
datacenters[datacenter->getDatacenterId()] = datacenter;
DEBUG_D("datacenter(%p) %u loaded (hasAuthKey = %d)", datacenter, datacenter->getDatacenterId(), (int) datacenter->hasAuthKey());
}
}
}
buffer->reuse();
}
if (currentDatacenterId != 0 && currentUserId) {
Datacenter *datacenter = getDatacenterWithId(currentDatacenterId);
if (datacenter == nullptr || !datacenter->hasAuthKey()) {
if (datacenter != nullptr) {
DEBUG_D("reset authorization because of dc %p", datacenter);
}
currentDatacenterId = 0;
datacenters.clear();
scheduleTask([&] {
if (delegate != nullptr) {
delegate->onLogout();
}
});
}
}
initDatacenters();
if ((datacenters.size() != 0 && currentDatacenterId == 0) || pushSessionId == 0) {
if (pushSessionId == 0) {
RAND_bytes((uint8_t *) &pushSessionId, 8);
}
if (currentDatacenterId == 0) {
currentDatacenterId = 2;
}
saveConfig();
}
movingToDatacenterId = DEFAULT_DATACENTER_ID;
}
void ConnectionsManager::saveConfig() {
if (config == nullptr) {
config = new Config("tgnet.dat");
}
NativeByteBuffer *buffer = BuffersStorage::getInstance().getFreeBuffer(32 * 1024);
buffer->writeInt32(configVersion);
buffer->writeBool(testBackend);
Datacenter *currentDatacenter = getDatacenterWithId(currentDatacenterId);
buffer->writeBool(currentDatacenter != nullptr);
if (currentDatacenter != nullptr) {
buffer->writeInt32(currentDatacenterId);
buffer->writeInt32(timeDifference);
buffer->writeInt32(lastDcUpdateTime);
buffer->writeInt64(pushSessionId);
buffer->writeBool(registeredForInternalPush);
std::vector<int64_t> sessions;
currentDatacenter->getSessions(sessions);
uint32_t count = (uint32_t) sessions.size();
buffer->writeInt32(count);
for (uint32_t a = 0; a < count; a++) {
buffer->writeInt64(sessions[a]);
}
count = (uint32_t) datacenters.size();
buffer->writeInt32(count);
for (std::map<uint32_t, Datacenter *>::iterator iter = datacenters.begin(); iter != datacenters.end(); iter++) {
iter->second->serializeToStream(buffer);
}
}
config->writeConfig(buffer);
buffer->reuse();
}
inline NativeByteBuffer *decompressGZip(NativeByteBuffer *data) {
int retCode;
z_stream stream;
memset(&stream, 0, sizeof(z_stream));
stream.avail_in = data->limit();
stream.next_in = data->bytes();
retCode = inflateInit2(&stream, 15 + 32);
if (retCode != Z_OK) {
DEBUG_E("can't decompress data");
exit(1);
}
NativeByteBuffer *result = BuffersStorage::getInstance().getFreeBuffer(data->limit() * 4);
stream.avail_out = result->capacity();
stream.next_out = result->bytes();
while (1) {
retCode = inflate(&stream, Z_NO_FLUSH);
if (retCode == Z_STREAM_END) {
break;
}
if (retCode == Z_OK) {
NativeByteBuffer *newResult = BuffersStorage::getInstance().getFreeBuffer(result->capacity() * 2);
memcpy(newResult->bytes(), result->bytes(), result->capacity());
stream.avail_out = newResult->capacity() - result->capacity();
stream.next_out = newResult->bytes() + result->capacity();
result->reuse();
result = newResult;
} else {
DEBUG_E("can't decompress data");
exit(1);
}
}
result->limit((uint32_t) stream.total_out);
inflateEnd(&stream);
return result;
}
inline NativeByteBuffer *compressGZip(NativeByteBuffer *buffer) {
if (buffer == nullptr || buffer->limit() == 0) {
return nullptr;
}
z_stream stream;
int retCode;
memset(&stream, 0, sizeof(z_stream));
stream.avail_in = buffer->limit();
stream.next_in = buffer->bytes();
retCode = deflateInit2(&stream, Z_BEST_COMPRESSION, Z_DEFLATED, 15 + 16, 8, Z_DEFAULT_STRATEGY);
if (retCode != Z_OK) {
DEBUG_E("%s: deflateInit2() failed with error %i", __PRETTY_FUNCTION__, retCode);
return nullptr;
}
NativeByteBuffer *result = BuffersStorage::getInstance().getFreeBuffer(buffer->limit());
stream.avail_out = result->limit();
stream.next_out = result->bytes();
retCode = deflate(&stream, Z_FINISH);
if ((retCode != Z_OK) && (retCode != Z_STREAM_END)) {
DEBUG_E("%s: deflate() failed with error %i", __PRETTY_FUNCTION__, retCode);
deflateEnd(&stream);
result->reuse();
return nullptr;
}
if (retCode != Z_STREAM_END || stream.total_out >= buffer->limit() - 4) {
deflateEnd(&stream);
result->reuse();
return nullptr;
}
result->limit((uint32_t) stream.total_out);
deflateEnd(&stream);
return result;
}
int64_t ConnectionsManager::getCurrentTimeMillis() {
clock_gettime(CLOCK_REALTIME, &timeSpec);
return (int64_t) timeSpec.tv_sec * 1000 + (int64_t) timeSpec.tv_nsec / 1000000;
}
int32_t ConnectionsManager::getCurrentTime() {
return (int32_t) (getCurrentTimeMillis() / 1000) + timeDifference;
}
int32_t ConnectionsManager::getTimeDifference() {
return timeDifference;
}
int64_t ConnectionsManager::generateMessageId() {
int64_t messageId = (int64_t) ((((double) getCurrentTimeMillis() + ((double) timeDifference) * 1000) * 4294967296.0) / 1000.0);
if (messageId <= lastOutgoingMessageId) {
messageId = lastOutgoingMessageId + 1;
}
while (messageId % 4 != 0) {
messageId++;
}
lastOutgoingMessageId = messageId;
return messageId;
}
bool ConnectionsManager::isNetworkAvailable() {
return networkAvailable;
}
void ConnectionsManager::cleanUp() {
scheduleTask([&] {
for (requestsIter iter = requestsQueue.begin(); iter != requestsQueue.end();) {
Request *request = iter->get();
if (request->requestFlags & RequestFlagWithoutLogin) {
iter++;
continue;
}
if (request->onCompleteRequestCallback != nullptr) {
TL_error *error = new TL_error();
error->code = -1000;
error->text = "";
request->onComplete(nullptr, error);
delete error;
}
iter = requestsQueue.erase(iter);
}
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end();) {
Request *request = iter->get();
if (request->requestFlags & RequestFlagWithoutLogin) {
iter++;
continue;
}
if (request->onCompleteRequestCallback != nullptr) {
TL_error *error = new TL_error();
error->code = -1000;
error->text = "";
request->onComplete(nullptr, error);
delete error;
}
iter = runningRequests.erase(iter);
}
quickAckIdToRequestIds.clear();
for (std::map<uint32_t, Datacenter *>::iterator iter = datacenters.begin(); iter != datacenters.end(); iter++) {
iter->second->recreateSessions();
iter->second->authorized = false;
}
sessionsToDestroy.clear();
currentUserId = 0;
registeredForInternalPush = false;
saveConfig();
});
}
void ConnectionsManager::onConnectionClosed(Connection *connection) {
Datacenter *datacenter = connection->getDatacenter();
if (connection->getConnectionType() == ConnectionTypeGeneric) {
if (datacenter->isHandshaking()) {
datacenter->onHandshakeConnectionClosed(connection);
}
if (datacenter->getDatacenterId() == currentDatacenterId) {
if (networkAvailable) {
if (connectionState != ConnectionStateConnecting) {
connectionState = ConnectionStateConnecting;
if (delegate != nullptr) {
delegate->onConnectionStateChanged(connectionState);
}
}
} else {
if (connectionState != ConnectionStateWaitingForNetwork) {
connectionState = ConnectionStateWaitingForNetwork;
if (delegate != nullptr) {
delegate->onConnectionStateChanged(connectionState);
}
}
}
}
} else if (connection->getConnectionType() == ConnectionTypePush) {
DEBUG_D("connection(%p) push connection closed", connection);
sendingPushPing = false;
lastPushPingTime = getCurrentTimeMillis() - 60000 * 3 + 4000;
}
}
void ConnectionsManager::onConnectionConnected(Connection *connection) {
Datacenter *datacenter = connection->getDatacenter();
if (connection->getConnectionType() == ConnectionTypeGeneric) {
if (datacenter->isHandshaking()) {
datacenter->onHandshakeConnectionConnected(connection);
return;
}
}
if (datacenter->hasAuthKey()) {
if (connection->getConnectionType() == ConnectionTypePush) {
sendingPushPing = false;
lastPushPingTime = getCurrentTimeMillis();
sendPing(datacenter, true);
} else {
if (networkPaused && lastPauseTime != 0) {
lastPauseTime = getCurrentTimeMillis();
}
processRequestQueue(connection->getConnectionType(), datacenter->getDatacenterId());
}
}
}
void ConnectionsManager::onConnectionQuickAckReceived(Connection *connection, int32_t ack) {
std::map<int32_t, std::vector<int32_t>>::iterator iter = quickAckIdToRequestIds.find(ack);
if (iter == quickAckIdToRequestIds.end()) {
return;
}
for (requestsIter iter2 = runningRequests.begin(); iter2 != runningRequests.end(); iter2++) {
Request *request = iter2->get();
if (std::find(iter->second.begin(), iter->second.end(), request->requestToken) != iter->second.end()) {
request->onQuickAck();
}
}
quickAckIdToRequestIds.erase(iter);
}
void ConnectionsManager::onConnectionDataReceived(Connection *connection, NativeByteBuffer *data, uint32_t length) {
bool error = false;
if (length == 4) {
int32_t code = data->readInt32(&error);
DEBUG_E("mtproto error = %d", code);
connection->reconnect();
return;
}
uint32_t mark = data->position();
int64_t keyId = data->readInt64(&error);
if (error) {
connection->reconnect();
return;
}
Datacenter *datacenter = connection->getDatacenter();
if (connectionState != ConnectionStateConnected && connection->getConnectionType() == ConnectionTypeGeneric && datacenter->getDatacenterId() == currentDatacenterId) {
connectionState = ConnectionStateConnected;
if (delegate != nullptr) {
delegate->onConnectionStateChanged(connectionState);
}
}
if (keyId == 0) {
int64_t messageId = data->readInt64(&error);
if (error) {
connection->reconnect();
return;
}
if (connection->isMessageIdProcessed(messageId)) {
return;
}
uint32_t messageLength = data->readUint32(&error);
if (error) {
connection->reconnect();
return;
}
if (messageLength != data->remaining()) {
DEBUG_E("connection(%p) received incorrect message length", connection);
connection->reconnect();
return;
}
TLObject *request;
if (datacenter->isHandshaking()) {
request = datacenter->getCurrentHandshakeRequest();
} else {
request = getRequestWithMessageId(messageId);
}
TLObject *object = TLdeserialize(request, messageLength, data);
if (object != nullptr) {
if (datacenter->isHandshaking()) {
datacenter->processHandshakeResponse(object, messageId);
} else {
processServerResponse(object, messageId, 0, 0, connection, 0, 0);
connection->addProcessedMessageId(messageId);
}
delete object;
}
} else {
if (length < 24 + 32 || !datacenter->decryptServerResponse(keyId, data->bytes() + mark + 8, data->bytes() + mark + 24, length - 24)) {
DEBUG_E("connection(%p) unable to decrypt server response", connection);
datacenter->switchTo443Port();
connection->suspendConnection();
connection->connect();
return;
}
data->position(mark + 24);
int64_t messageServerSalt = data->readInt64(&error);
int64_t messageSessionId = data->readInt64(&error);
if (messageSessionId != connection->getSissionId()) {
DEBUG_E("connection(%p) received invalid message session id (0x%llx instead of 0x%llx)", connection, (uint64_t) messageSessionId, (uint64_t) connection->getSissionId());
return;
}
bool doNotProcess = false;
int64_t messageId = data->readInt64(&error);
int32_t messageSeqNo = data->readInt32(&error);
uint32_t messageLength = data->readUint32(&error);
if (connection->isMessageIdProcessed(messageId)) {
doNotProcess = true;
}
if (messageSeqNo % 2 != 0) {
connection->addMessageToConfirm(messageId);
}
if (!doNotProcess) {
TLObject *object = TLdeserialize(nullptr, messageLength, data);
if (object != nullptr) {
DEBUG_D("connection(%p, dc%u, type %d) received object %s", connection, datacenter->getDatacenterId(), connection->getConnectionType(), typeid(*object).name());
processServerResponse(object, messageId, messageSeqNo, messageServerSalt, connection, 0, 0);
connection->addProcessedMessageId(messageId);
delete object;
if (connection->getConnectionType() == ConnectionTypePush) {
std::vector<std::unique_ptr<NetworkMessage>> messages;
sendMessagesToConnectionWithConfirmation(messages, connection, false);
}
} else {
if (delegate != nullptr) {
delegate->onUnparsedMessageReceived(0, data, connection->getConnectionType());
}
}
} else {
std::vector<std::unique_ptr<NetworkMessage>> messages;
sendMessagesToConnectionWithConfirmation(messages, connection, false);
}
}
}
TLObject *ConnectionsManager::getRequestWithMessageId(int64_t messageId) {
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
if (request->messageId == messageId) {
return request->rawRequest;
}
}
return nullptr;
}
TLObject *ConnectionsManager::TLdeserialize(TLObject *request, uint32_t bytes, NativeByteBuffer *data) {
bool error = false;
uint32_t position = data->position();
uint32_t constructor = data->readUint32(&error);
if (error) {
data->position(position);
return nullptr;
}
TLObject *object = TLClassStore::TLdeserialize(data, bytes, constructor, error);
if (error) {
if (object != nullptr) {
delete object;
}
data->position(position);
return nullptr;
}
if (object == nullptr) {
if (request != nullptr) {
TL_api_request *apiRequest = dynamic_cast<TL_api_request *>(request);
if (apiRequest != nullptr) {
object = apiRequest->deserializeResponse(data, bytes, error);
DEBUG_D("api request constructor 0x%x, don't parse", constructor);
} else {
object = request->deserializeResponse(data, constructor, error);
if (object != nullptr && error) {
delete object;
object = nullptr;
}
}
} else {
DEBUG_D("not found request to parse constructor 0x%x", constructor);
}
}
if (object == nullptr) {
data->position(position);
}
return object;
}
void ConnectionsManager::processServerResponse(TLObject *message, int64_t messageId, int32_t messageSeqNo, int64_t messageSalt, Connection *connection, int64_t innerMsgId, int64_t containerMessageId) {
const std::type_info &typeInfo = typeid(*message);
Datacenter *datacenter = connection->getDatacenter();
if (typeInfo == typeid(TL_new_session_created)) {
TL_new_session_created *response = (TL_new_session_created *) message;
if (!connection->isSessionProcessed(response->unique_id)) {
DEBUG_D("connection(%p, dc%u, type %d) new session created (first message id: 0x%llx, server salt: 0x%llx, unique id: 0x%llx)", connection, datacenter->getDatacenterId(), connection->getConnectionType(), (uint64_t) response->first_msg_id, (uint64_t) response->server_salt, (uint64_t) response->unique_id);
std::unique_ptr<TL_future_salt> salt = std::unique_ptr<TL_future_salt>(new TL_future_salt());
salt->valid_until = salt->valid_since = getCurrentTime();
salt->valid_until += 30 * 60;
salt->salt = response->server_salt;
datacenter->addServerSalt(salt);
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
Datacenter *requestDatacenter = getDatacenterWithId(request->datacenterId);
if (request->messageId < response->first_msg_id && request->connectionType & connection->getConnectionType() && requestDatacenter != nullptr && requestDatacenter->getDatacenterId() == datacenter->getDatacenterId()) {
DEBUG_D("clear request %p - %s", request->rawRequest, typeid(*request->rawRequest).name());
request->clear(true);
}
}
saveConfig();
if (datacenter->getDatacenterId() == currentDatacenterId && currentUserId) {
if (connection->getConnectionType() == ConnectionTypePush) {
registerForInternalPushUpdates();
} else if (connection->getConnectionType() == ConnectionTypeGeneric) {
if (delegate != nullptr) {
delegate->onSessionCreated();
}
}
}
connection->addProcessedSession(response->unique_id);
}
} else if (typeInfo == typeid(TL_msg_container)) {
TL_msg_container *response = (TL_msg_container *) message;
size_t count = response->messages.size();
for (uint32_t a = 0; a < count; a++) {
TL_message *innerMessage = response->messages[a].get();
int64_t innerMessageId = innerMessage->msg_id;
if (innerMessage->seqno % 2 != 0) {
connection->addMessageToConfirm(innerMessageId);
}
if (connection->isMessageIdProcessed(innerMessageId)) {
continue;
}
if (innerMessage->unparsedBody != nullptr) {
if (delegate != nullptr) {
delegate->onUnparsedMessageReceived(0, innerMessage->unparsedBody.get(), connection->getConnectionType());
}
} else {
processServerResponse(innerMessage->body.get(), 0, innerMessage->seqno, messageSalt, connection, innerMessageId, messageId);
}
connection->addProcessedMessageId(innerMessageId);
}
} else if (typeInfo == typeid(TL_pong)) {
if (connection->getConnectionType() == ConnectionTypePush) {
if (!registeredForInternalPush) {
registerForInternalPushUpdates();
}
DEBUG_D("connection(%p, dc%u, type %d) received push ping", connection, datacenter->getDatacenterId(), connection->getConnectionType());
sendingPushPing = false;
} else {
TL_pong *response = (TL_pong *) message;
if (response->ping_id == lastPingId) {
int64_t currentTime = getCurrentTimeMillis();
int32_t diff = (int32_t) (currentTime / 1000) - pingTime;
if (abs(diff) < 10) {
currentPingTime = (diff + currentPingTime) / 2;
if (messageId != 0) {
int64_t timeMessage = (int64_t) (messageId / 4294967296.0 * 1000);
timeDifference = (int32_t) ((timeMessage - currentTime) / 1000 - currentPingTime / 2);
}
}
}
}
} else if (typeInfo == typeid(TL_future_salts)) {
TL_future_salts *response = (TL_future_salts *) message;
int64_t requestMid = response->req_msg_id;
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
if (request->respondsToMessageId(requestMid)) {
request->onComplete(response, nullptr);
request->completed = true;
runningRequests.erase(iter);
break;
}
}
} else if (dynamic_cast<DestroySessionRes *>(message)) {
DestroySessionRes *response = (DestroySessionRes *) message;
DEBUG_D("destroyed session 0x%llx (%s)", (uint64_t) response->session_id, typeInfo == typeid(TL_destroy_session_ok) ? "ok" : "not found");
} else if (typeInfo == typeid(TL_rpc_result)) {
TL_rpc_result *response = (TL_rpc_result *) message;
int64_t resultMid = response->req_msg_id;
bool hasResult = response->result.get() != nullptr;
bool ignoreResult = false;
if (hasResult) {
TLObject *object = response->result.get();
DEBUG_D("connection(%p, dc%u, type %d) received rpc_result with %s", connection, datacenter->getDatacenterId(), connection->getConnectionType(), typeid(*object).name());
}
RpcError *error = hasResult ? dynamic_cast<RpcError *>(response->result.get()) : nullptr;
if (error != nullptr) {
DEBUG_E("connection(%p, dc%u, type %d) rpc error %d: %s", connection, datacenter->getDatacenterId(), connection->getConnectionType(), error->error_code, error->error_message.c_str());
if (error->error_code == 303) {
uint32_t migrateToDatacenterId = DEFAULT_DATACENTER_ID;
static std::vector<std::string> migrateErrors;
if (migrateErrors.empty()) {
migrateErrors.push_back("NETWORK_MIGRATE_");
migrateErrors.push_back("PHONE_MIGRATE_");
migrateErrors.push_back("USER_MIGRATE_");
}
size_t count = migrateErrors.size();
for (uint32_t a = 0; a < count; a++) {
std::string &possibleError = migrateErrors[a];
if (error->error_message.find(possibleError) != std::string::npos) {
std::string num = error->error_message.substr(possibleError.size(), error->error_message.size() - possibleError.size());
uint32_t val = (uint32_t) atoi(num.c_str());
migrateToDatacenterId = val;
}
}
if (migrateToDatacenterId != DEFAULT_DATACENTER_ID) {
ignoreResult = true;
moveToDatacenter(migrateToDatacenterId);
}
}
}
uint32_t retryRequestsFromDatacenter = DEFAULT_DATACENTER_ID - 1;
uint32_t retryRequestsConnections = 0;
if (!ignoreResult) {
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
if (request->respondsToMessageId(resultMid)) {
DEBUG_D("got response for request %p - %s", request->rawRequest, typeid(*request->rawRequest).name());
bool discardResponse = false;
bool isError = false;
bool allowInitConnection = true;
if (request->onCompleteRequestCallback != nullptr) {
TL_error *implicitError = nullptr;
NativeByteBuffer *unpacked_data = nullptr;
TLObject *result = response->result.get();
if (typeid(*result) == typeid(TL_gzip_packed)) {
TL_gzip_packed *innerResponse = (TL_gzip_packed *) result;
unpacked_data = decompressGZip(innerResponse->packed_data.get());
TLObject *object = TLdeserialize(request->rawRequest, unpacked_data->limit(), unpacked_data);
if (object != nullptr) {
response->result = std::unique_ptr<TLObject>(object);
} else {
response->result = std::unique_ptr<TLObject>(nullptr);
}
}
hasResult = response->result.get() != nullptr;
error = hasResult ? dynamic_cast<RpcError *>(response->result.get()) : nullptr;
TL_error *error2 = hasResult ? dynamic_cast<TL_error *>(response->result.get()) : nullptr;
if (error != nullptr) {
allowInitConnection = false;
DEBUG_E("request %p rpc error %d: %s", request, error->error_code, error->error_message.c_str());
if ((request->requestFlags & RequestFlagFailOnServerErrors) == 0) {
if (error->error_code == 500 || error->error_code < 0) {
discardResponse = true;
request->minStartTime = request->startTime + (request->serverFailureCount > 10 ? 10 : request->serverFailureCount);
request->serverFailureCount++;
} else if (error->error_code == 420) {
int32_t waitTime = 2;
static std::string floodWait = "FLOOD_WAIT_";
if (error->error_message.find(floodWait) != std::string::npos) {
std::string num = error->error_message.substr(floodWait.size(), error->error_message.size() - floodWait.size());
waitTime = atoi(num.c_str());
if (waitTime <= 0) {
waitTime = 2;
}
}
discardResponse = true;
request->failedByFloodWait = waitTime;
request->startTime = 0;
request->minStartTime = (int32_t) (getCurrentTimeMillis() / 1000 + waitTime);
} else if (error->error_code == 400) {
static std::string waitFailed = "MSG_WAIT_FAILED";
if (error->error_message.find(waitFailed) != std::string::npos) {
discardResponse = true;
request->minStartTime = (int32_t) (getCurrentTimeMillis() / 1000 + 1);
request->startTime = 0;
}
}
}
if (!discardResponse) {
implicitError = new TL_error();
implicitError->code = error->error_code;
implicitError->text = error->error_message;
}
} else if (error2 == nullptr) {
if (request->rawRequest == nullptr || response->result == nullptr) {
allowInitConnection = false;
DEBUG_E("rawRequest is null");
implicitError = new TL_error();
implicitError->code = -1000;
implicitError->text = "";
}
}
if (!discardResponse) {
if (implicitError != nullptr || error2 != nullptr) {
isError = true;
request->onComplete(nullptr, implicitError != nullptr ? implicitError : error2);
if (error2 != nullptr) {
delete error2;
}
} else {
request->onComplete(response->result.get(), nullptr);
}
}
if (implicitError != nullptr && implicitError->code == 401) {
allowInitConnection = false;
isError = true;
static std::string sessionPasswordNeeded = "SESSION_PASSWORD_NEEDED";
if (implicitError->text.find(sessionPasswordNeeded) != std::string::npos) {
//ignore this error
} else if (datacenter->getDatacenterId() == currentDatacenterId || datacenter->getDatacenterId() == movingToDatacenterId) {
if (request->connectionType & ConnectionTypeGeneric && currentUserId) {
currentUserId = 0;
if (delegate != nullptr) {
delegate->onLogout();
}
cleanUp();
}
} else {
datacenter->authorized = false;
saveConfig();
discardResponse = true;
if (request->connectionType & ConnectionTypeDownload || request->connectionType & ConnectionTypeUpload) {
retryRequestsFromDatacenter = datacenter->datacenterId;
retryRequestsConnections = request->connectionType;
}
}
}
if (unpacked_data != nullptr) {
unpacked_data->reuse();
}
if (implicitError != nullptr) {
delete implicitError;
}
}
if (!discardResponse) {
if (allowInitConnection && request->isInitRequest && !isError) {
if (datacenter->lastInitVersion != currentVersion) {
datacenter->lastInitVersion = currentVersion;
saveConfig();
DEBUG_D("dc%d init connection completed", datacenter->getDatacenterId());
} else {
DEBUG_D("dc%d rpc is init, but init connection already completed", datacenter->getDatacenterId());
}
}
request->completed = true;
removeRequestFromGuid(request->requestToken);
runningRequests.erase(iter);
} else {
request->messageId = 0;
request->messageSeqNo = 0;
request->connectionToken = 0;
}
break;
}
}
}
if (retryRequestsFromDatacenter != DEFAULT_DATACENTER_ID - 1) {
processRequestQueue(retryRequestsConnections, retryRequestsFromDatacenter);
} else {
processRequestQueue(0, 0);
}
} else if (typeInfo == typeid(TL_msgs_ack)) {
} else if (typeInfo == typeid(TL_bad_msg_notification)) {
TL_bad_msg_notification *result = (TL_bad_msg_notification *) message;
DEBUG_E("bad message: %d", result->error_code);
switch (result->error_code) {
case 16:
case 17:
case 19:
case 32:
case 33:
case 64: {
int64_t realId = messageId != 0 ? messageId : containerMessageId;
if (realId == 0) {
realId = innerMsgId;
}
if (realId != 0) {
int64_t time = (int64_t) (messageId / 4294967296.0 * 1000);
int64_t currentTime = getCurrentTimeMillis();
timeDifference = (int32_t) ((time - currentTime) / 1000 - currentPingTime / 2);
}
datacenter->recreateSessions();
saveConfig();
lastOutgoingMessageId = 0;
clearRequestsForDatacenter(datacenter);
break;
}
default:
break;
}
} else if (typeInfo == typeid(TL_bad_server_salt)) {
TL_bad_server_salt *response = (TL_bad_server_salt *) message;
if (messageId != 0) {
int64_t time = (int64_t) (messageId / 4294967296.0 * 1000);
int64_t currentTime = getCurrentTimeMillis();
timeDifference = (int32_t) ((time - currentTime) / 1000 - currentPingTime / 2);
lastOutgoingMessageId = messageId > (lastOutgoingMessageId ? messageId : lastOutgoingMessageId);
}
int64_t resultMid = response->bad_msg_id;
if (resultMid != 0) {
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
if ((request->connectionType & ConnectionTypeDownload) == 0) {
continue;
}
Datacenter *requestDatacenter = getDatacenterWithId(request->datacenterId);
if (requestDatacenter != nullptr && requestDatacenter->getDatacenterId() == datacenter->getDatacenterId()) {
request->retryCount = 0;
request->failedBySalt = true;
}
}
}
datacenter->clearServerSalts();
std::unique_ptr<TL_future_salt> salt = std::unique_ptr<TL_future_salt>(new TL_future_salt());
salt->valid_until = salt->valid_since = getCurrentTime();
salt->valid_until += 30 * 60;
salt->salt = messageSalt;
datacenter->addServerSalt(salt);
saveConfig();
requestSaltsForDatacenter(datacenter);
if (datacenter->hasAuthKey()) {
processRequestQueue(AllConnectionTypes, datacenter->getDatacenterId());
}
} else if (dynamic_cast<MsgDetailedInfo *>(message)) {
MsgDetailedInfo *response = (MsgDetailedInfo *) message;
bool requestResend = false;
bool confirm = true;
if (typeInfo == typeid(TL_msg_detailed_info)) {
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
if (request->respondsToMessageId(response->msg_id)) {
if (request->completed) {
break;
}
int32_t currentTime = (int32_t) (getCurrentTimeMillis() / 1000);
if (request->lastResendTime == 0 || abs(currentTime - request->lastResendTime) >= 60) {
request->lastResendTime = currentTime;
requestResend = true;
} else {
confirm = false;
}
break;
}
}
} else {
if (!connection->isMessageIdProcessed(messageId)) {
requestResend = true;
}
}
if (requestResend) {
TL_msg_resend_req *request = new TL_msg_resend_req();
request->msg_ids.push_back(response->answer_msg_id);
NetworkMessage *networkMessage = new NetworkMessage();
networkMessage->message = std::unique_ptr<TL_message>(new TL_message());
networkMessage->message->msg_id = generateMessageId();
networkMessage->message->bytes = request->getObjectSize();
networkMessage->message->body = std::unique_ptr<TLObject>(request);
networkMessage->message->seqno = connection->generateMessageSeqNo(false);
std::vector<std::unique_ptr<NetworkMessage>> array;
array.push_back(std::unique_ptr<NetworkMessage>(networkMessage));
sendMessagesToConnection(array, connection, false);
} else if (confirm) {
connection->addMessageToConfirm(response->answer_msg_id);
}
} else if (typeInfo == typeid(TL_gzip_packed)) {
TL_gzip_packed *response = (TL_gzip_packed *) message;
NativeByteBuffer *data = decompressGZip(response->packed_data.get());
TLObject *object = TLdeserialize(getRequestWithMessageId(messageId), data->limit(), data);
if (object != nullptr) {
DEBUG_D("connection(%p, dc%u, type %d) received object %s", connection, datacenter->getDatacenterId(), connection->getConnectionType(), typeid(*object).name());
processServerResponse(object, messageId, messageSeqNo, messageSalt, connection, innerMsgId, containerMessageId);
delete object;
} else {
if (delegate != nullptr) {
delegate->onUnparsedMessageReceived(messageId, data, connection->getConnectionType());
}
}
data->reuse();
} else if (typeInfo == typeid(TL_updatesTooLong)) {
if (connection->connectionType == ConnectionTypePush) {
if (networkPaused) {
lastPauseTime = getCurrentTimeMillis();
DEBUG_D("received internal push: wakeup network in background");
} else if (lastPauseTime != 0) {
lastPauseTime = getCurrentTimeMillis();
DEBUG_D("received internal push: reset sleep timeout");
} else {
DEBUG_D("received internal push");
}
if (delegate != nullptr) {
delegate->onInternalPushReceived();
}
} else {
if (delegate != nullptr) {
NativeByteBuffer *data = BuffersStorage::getInstance().getFreeBuffer(message->getObjectSize());
message->serializeToStream(data);
data->position(0);
delegate->onUnparsedMessageReceived(0, data, connection->getConnectionType());
data->reuse();
}
}
}
}
void ConnectionsManager::sendPing(Datacenter *datacenter, bool usePushConnection) {
if (usePushConnection && (currentUserId == 0 || !usePushConnection)) {
return;
}
Connection *connection = nullptr;
if (usePushConnection) {
connection = datacenter->getPushConnection(true);
} else {
connection = datacenter->getGenericConnection(true);
}
if (connection == nullptr || (!usePushConnection && connection->getConnectionToken() == 0)) {
return;
}
TL_ping_delay_disconnect *request = new TL_ping_delay_disconnect();
request->ping_id = ++lastPingId;
if (usePushConnection) {
request->disconnect_delay = 60 * 7;
} else {
request->disconnect_delay = 35;
pingTime = (int32_t) (getCurrentTimeMillis() / 1000);
}
NetworkMessage *networkMessage = new NetworkMessage();
networkMessage->message = std::unique_ptr<TL_message>(new TL_message());
networkMessage->message->msg_id = generateMessageId();
networkMessage->message->bytes = request->getObjectSize();
networkMessage->message->body = std::unique_ptr<TLObject>(request);
networkMessage->message->seqno = connection->generateMessageSeqNo(false);
std::vector<std::unique_ptr<NetworkMessage>> array;
array.push_back(std::unique_ptr<NetworkMessage>(networkMessage));
NativeByteBuffer *transportData = datacenter->createRequestsData(array, nullptr, connection);
if (usePushConnection) {
DEBUG_D("dc%d send ping to push connection", datacenter->getDatacenterId());
sendingPushPing = true;
}
connection->sendData(transportData, false);
}
bool ConnectionsManager::isIpv6Enabled() {
return ipv6Enabled;
}
void ConnectionsManager::initDatacenters() {
Datacenter *datacenter;
if (!testBackend) {
if (datacenters.find(1) == datacenters.end()) {
datacenter = new Datacenter(1);
datacenter->addAddressAndPort("149.154.175.50", 443, 0);
datacenter->addAddressAndPort("2001:b28:f23d:f001:0000:0000:0000:000a", 443, 1);
datacenters[1] = datacenter;
}
if (datacenters.find(2) == datacenters.end()) {
datacenter = new Datacenter(2);
datacenter->addAddressAndPort("149.154.167.51", 443, 0);
datacenter->addAddressAndPort("2001:67c:4e8:f002:0000:0000:0000:000a", 443, 1);
datacenters[2] = datacenter;
}
if (datacenters.find(3) == datacenters.end()) {
datacenter = new Datacenter(3);
datacenter->addAddressAndPort("149.154.175.100", 443, 0);
datacenter->addAddressAndPort("2001:b28:f23d:f003:0000:0000:0000:000a", 443, 1);
datacenters[3] = datacenter;
}
if (datacenters.find(4) == datacenters.end()) {
datacenter = new Datacenter(4);
datacenter->addAddressAndPort("149.154.167.91", 443, 0);
datacenter->addAddressAndPort("2001:67c:4e8:f004:0000:0000:0000:000a", 443, 1);
datacenters[4] = datacenter;
}
if (datacenters.find(5) == datacenters.end()) {
datacenter = new Datacenter(5);
datacenter->addAddressAndPort("149.154.171.5", 443, 0);
datacenter->addAddressAndPort("2001:b28:f23f:f005:0000:0000:0000:000a", 443, 1);
datacenters[5] = datacenter;
}
} else {
if (datacenters.find(1) == datacenters.end()) {
datacenter = new Datacenter(1);
datacenter->addAddressAndPort("149.154.175.10", 443, 0);
datacenter->addAddressAndPort("2001:b28:f23d:f001:0000:0000:0000:000e", 443, 1);
datacenters[1] = datacenter;
}
if (datacenters.find(2) == datacenters.end()) {
datacenter = new Datacenter(2);
datacenter->addAddressAndPort("149.154.167.40", 443, 0);
datacenter->addAddressAndPort("2001:67c:4e8:f002:0000:0000:0000:000e", 443, 1);
datacenters[2] = datacenter;
}
if (datacenters.find(3) == datacenters.end()) {
datacenter = new Datacenter(3);
datacenter->addAddressAndPort("149.154.175.117", 443, 0);
datacenter->addAddressAndPort("2001:b28:f23d:f003:0000:0000:0000:000e", 443, 1);
datacenters[3] = datacenter;
}
}
}
void ConnectionsManager::attachConnection(ConnectionSocket *connection) {
if (std::find(activeConnections.begin(), activeConnections.end(), connection) != activeConnections.end()) {
return;
}
activeConnections.push_back(connection);
}
void ConnectionsManager::detachConnection(ConnectionSocket *connection) {
std::vector<ConnectionSocket *>::iterator iter = std::find(activeConnections.begin(), activeConnections.end(), connection);
if (iter != activeConnections.end()) {
activeConnections.erase(iter);
}
}
int32_t ConnectionsManager::sendRequest(TLObject *object, onCompleteFunc onComplete, onQuickAckFunc onQuickAck, uint32_t flags, uint32_t datacenterId, ConnectionType connetionType, bool immediate) {
int32_t requestToken = lastRequestToken++;
sendRequest(object, onComplete, onQuickAck, flags, datacenterId, connetionType, immediate, requestToken);
return requestToken;
}
void ConnectionsManager::sendRequest(TLObject *object, onCompleteFunc onComplete, onQuickAckFunc onQuickAck, uint32_t flags, uint32_t datacenterId, ConnectionType connetionType, bool immediate, int32_t requestToken) {
if (!currentUserId && !(flags & RequestFlagWithoutLogin)) {
DEBUG_D("can't do request without login %s", typeid(*object).name());
delete object;
return;
}
scheduleTask([&, requestToken, object, onComplete, onQuickAck, flags, datacenterId, connetionType, immediate] {
Request *request = new Request(requestToken, connetionType, flags, datacenterId, onComplete, onQuickAck);
request->rawRequest = object;
request->rpcRequest = wrapInLayer(object, getDatacenterWithId(datacenterId), request);
requestsQueue.push_back(std::unique_ptr<Request>(request));
if (immediate) {
processRequestQueue(0, 0);
}
});
}
#ifdef ANDROID
void ConnectionsManager::sendRequest(TLObject *object, onCompleteFunc onComplete, onQuickAckFunc onQuickAck, uint32_t flags, uint32_t datacenterId, ConnectionType connetionType, bool immediate, int32_t requestToken, jobject ptr1, jobject ptr2) {
if (!currentUserId && !(flags & RequestFlagWithoutLogin)) {
DEBUG_D("can't do request without login %s", typeid(*object).name());
delete object;
JNIEnv *env = 0;
if (javaVm->GetEnv((void **) &env, JNI_VERSION_1_6) != JNI_OK) {
DEBUG_E("can't get jnienv");
exit(1);
}
if (ptr1 != nullptr) {
env->DeleteGlobalRef(ptr1);
ptr1 = nullptr;
}
if (ptr2 != nullptr) {
env->DeleteGlobalRef(ptr2);
ptr2 = nullptr;
}
return;
}
scheduleTask([&, requestToken, object, onComplete, onQuickAck, flags, datacenterId, connetionType, immediate, ptr1, ptr2] {
DEBUG_D("send request %p - %s", object, typeid(*object).name());
Request *request = new Request(requestToken, connetionType, flags, datacenterId, onComplete, onQuickAck);
request->rawRequest = object;
request->ptr1 = ptr1;
request->ptr2 = ptr2;
request->rpcRequest = wrapInLayer(object, getDatacenterWithId(datacenterId), request);
DEBUG_D("send request wrapped %p - %s", request->rpcRequest.get(), typeid(*(request->rpcRequest.get())).name());
requestsQueue.push_back(std::unique_ptr<Request>(request));
if (immediate) {
processRequestQueue(0, 0);
}
});
}
#endif
void ConnectionsManager::cancelRequestsForGuid(int32_t guid) {
scheduleTask([&, guid] {
std::map<int32_t, std::vector<int32_t>>::iterator iter = requestsByGuids.find(guid);
if (iter != requestsByGuids.end()) {
std::vector<int32_t> &requests = iter->second;
size_t count = requests.size();
for (uint32_t a = 0; a < count; a++) {
cancelRequestInternal(requests[a], true, false);
std::map<int32_t, int32_t>::iterator iter2 = guidsByRequests.find(requests[a]);
if (iter2 != guidsByRequests.end()) {
guidsByRequests.erase(iter2);
}
}
requestsByGuids.erase(iter);
}
});
}
void ConnectionsManager::bindRequestToGuid(int32_t requestToken, int32_t guid) {
scheduleTask([&, requestToken, guid] {
std::map<int32_t, std::vector<int32_t>>::iterator iter = requestsByGuids.find(guid);
if (iter != requestsByGuids.end()) {
iter->second.push_back(requestToken);
} else {
std::vector<int32_t> array;
array.push_back(requestToken);
requestsByGuids[guid] = array;
}
guidsByRequests[requestToken] = guid;
});
}
void ConnectionsManager::setUserId(int32_t userId) {
scheduleTask([&, userId] {
int32_t oldUserId = currentUserId;
currentUserId = userId;
if (oldUserId == userId && userId != 0) {
registerForInternalPushUpdates();
}
if (currentUserId != userId && userId != 0) {
updateDcSettings(0);
}
if (currentUserId != 0 && pushConnectionEnabled) {
Datacenter *datacenter = getDatacenterWithId(currentDatacenterId);
if (datacenter != nullptr) {
datacenter->createPushConnection()->setSessionId(pushSessionId);
sendPing(datacenter, true);
}
}
});
}
void ConnectionsManager::switchBackend() {
scheduleTask([&] {
testBackend = !testBackend;
datacenters.clear();
initDatacenters();
saveConfig();
exit(1);
});
}
void ConnectionsManager::removeRequestFromGuid(int32_t requestToken) {
std::map<int32_t, int32_t>::iterator iter2 = guidsByRequests.find(requestToken);
if (iter2 != guidsByRequests.end()) {
std::map<int32_t, std::vector<int32_t>>::iterator iter = requestsByGuids.find(iter2->first);
if (iter != requestsByGuids.end()) {
std::vector<int32_t>::iterator iter3 = std::find(iter->second.begin(), iter->second.end(), iter->first);
if (iter3 != iter->second.end()) {
iter->second.erase(iter3);
if (iter->second.empty()) {
requestsByGuids.erase(iter);
}
}
}
guidsByRequests.erase(iter2);
}
}
void ConnectionsManager::cancelRequestInternal(int32_t token, bool notifyServer, bool removeFromClass) {
for (requestsIter iter = requestsQueue.begin(); iter != requestsQueue.end(); iter++) {
Request *request = iter->get();
if (request->requestToken == token) {
request->cancelled = true;
DEBUG_D("cancelled queued rpc request %p - %s", request->rawRequest, typeid(*request->rawRequest).name());
requestsQueue.erase(iter);
if (removeFromClass) {
removeRequestFromGuid(token);
}
return;
}
}
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
if (request->requestToken == token) {
if (notifyServer) {
TL_rpc_drop_answer *dropAnswer = new TL_rpc_drop_answer();
dropAnswer->req_msg_id = request->messageId;
sendRequest(dropAnswer, nullptr, nullptr, RequestFlagEnableUnauthorized | RequestFlagWithoutLogin | RequestFlagFailOnServerErrors, request->datacenterId, request->connectionType, true);
}
request->cancelled = true;
DEBUG_D("cancelled running rpc request %p - %s", request->rawRequest, typeid(*request->rawRequest).name());
runningRequests.erase(iter);
if (removeFromClass) {
removeRequestFromGuid(token);
}
return;
}
}
}
void ConnectionsManager::cancelRequest(int32_t token, bool notifyServer) {
if (token == 0) {
return;
}
scheduleTask([&, token, notifyServer] {
cancelRequestInternal(token, notifyServer, true);
});
}
void ConnectionsManager::onDatacenterHandshakeComplete(Datacenter *datacenter, int32_t timeDiff) {
saveConfig();
uint32_t datacenterId = datacenter->getDatacenterId();
if (datacenterId == currentDatacenterId || datacenterId == movingToDatacenterId) {
timeDifference = timeDiff;
datacenter->recreateSessions();
clearRequestsForDatacenter(datacenter);
}
processRequestQueue(AllConnectionTypes, datacenterId);
}
void ConnectionsManager::onDatacenterExportAuthorizationComplete(Datacenter *datacenter) {
saveConfig();
processRequestQueue(AllConnectionTypes, datacenter->getDatacenterId());
}
void ConnectionsManager::sendMessagesToConnection(std::vector<std::unique_ptr<NetworkMessage>> &messages, Connection *connection, bool reportAck) {
if (messages.empty() || connection == nullptr) {
return;
}
std::vector<std::unique_ptr<NetworkMessage>> currentMessages;
Datacenter *datacenter = connection->getDatacenter();
uint32_t currentSize = 0;
size_t count = messages.size();
for (uint32_t a = 0; a < count; a++) {
NetworkMessage *networkMessage = messages[a].get();
currentMessages.push_back(std::move(messages[a]));
currentSize += networkMessage->message->bytes;
if (currentSize >= 3 * 1024 || a == count - 1) {
int32_t quickAckId = 0;
NativeByteBuffer *transportData = datacenter->createRequestsData(currentMessages, reportAck ? &quickAckId : nullptr, connection);
if (transportData != nullptr) {
if (reportAck && quickAckId != 0) {
std::vector<int32_t> requestIds;
size_t count2 = currentMessages.size();
for (uint32_t b = 0; b < count2; b++) {
NetworkMessage *message = currentMessages[b].get();
if (message->requestId != 0) {
requestIds.push_back(message->requestId);
}
}
if (!requestIds.empty()) {
std::map<int32_t, std::vector<int32_t>>::iterator iter = quickAckIdToRequestIds.find(quickAckId);
if (iter == quickAckIdToRequestIds.end()) {
quickAckIdToRequestIds[quickAckId] = requestIds;
} else {
iter->second.insert(iter->second.end(), requestIds.begin(), requestIds.end());
}
}
}
connection->sendData(transportData, reportAck);
} else {
DEBUG_E("connection(%p) connection data is empty", connection);
}
currentSize = 0;
currentMessages.clear();
}
}
}
void ConnectionsManager::sendMessagesToConnectionWithConfirmation(std::vector<std::unique_ptr<NetworkMessage>> &messages, Connection *connection, bool reportAck) {
NetworkMessage *networkMessage = connection->generateConfirmationRequest();
if (networkMessage != nullptr) {
messages.push_back(std::unique_ptr<NetworkMessage>(networkMessage));
}
sendMessagesToConnection(messages, connection, reportAck);
}
void ConnectionsManager::requestSaltsForDatacenter(Datacenter *datacenter) {
if (std::find(requestingSaltsForDc.begin(), requestingSaltsForDc.end(), datacenter->getDatacenterId()) != requestingSaltsForDc.end()) {
return;
}
requestingSaltsForDc.push_back(datacenter->getDatacenterId());
TL_get_future_salts *request = new TL_get_future_salts();
request->num = 32;
sendRequest(request, [&, datacenter](TLObject *response, TL_error *error) {
std::vector<uint32_t>::iterator iter = std::find(requestingSaltsForDc.begin(), requestingSaltsForDc.end(), datacenter->getDatacenterId());
if (iter != requestingSaltsForDc.end()) {
requestingSaltsForDc.erase(iter);
}
if (error == nullptr) {
TL_future_salts *res = (TL_future_salts *) response;
datacenter->mergeServerSalts(res->salts);
saveConfig();
}
}, nullptr, RequestFlagWithoutLogin | RequestFlagEnableUnauthorized, datacenter->getDatacenterId(), ConnectionTypeGeneric, true);
}
void ConnectionsManager::clearRequestsForDatacenter(Datacenter *datacenter) {
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end(); iter++) {
Request *request = iter->get();
Datacenter *requestDatacenter = getDatacenterWithId(request->datacenterId);
if (requestDatacenter->getDatacenterId() == datacenter->getDatacenterId()) {
request->clear(true);
}
}
}
void ConnectionsManager::registerForInternalPushUpdates() {
if (registeringForPush || !currentUserId) {
return;
}
registeredForInternalPush = false;
registeringForPush = true;
TL_account_registerDevice *request = new TL_account_registerDevice();
request->token_type = 7;
request->token = to_string_uint64(pushSessionId);
request->app_sandbox = false;
request->app_version = currentAppVersion;
request->device_model = currentDeviceModel;
request->lang_code = currentLangCode;
request->system_version = currentSystemVersion;
if (request->lang_code.empty()) {
request->lang_code = "en";
}
if (request->device_model.empty()) {
request->device_model = "device model unknown";
}
if (request->app_version.empty()) {
request->app_version = "app version unknown";
}
if (request->system_version.empty()) {
request->system_version = "system version unknown";
}
sendRequest(request, [&](TLObject *response, TL_error *error) {
if (error == nullptr) {
registeredForInternalPush = true;
DEBUG_D("registered for internal push");
} else {
registeredForInternalPush = false;
DEBUG_E("unable to registering for internal push");
}
saveConfig();
registeringForPush = false;
}, nullptr, 0, DEFAULT_DATACENTER_ID, ConnectionTypeGeneric, true);
}
inline void addMessageToDatacenter(uint32_t datacenterId, NetworkMessage *networkMessage, std::map<uint32_t, std::vector<std::unique_ptr<NetworkMessage>>> &genericMessagesToDatacenters) {
std::map<uint32_t, std::vector<std::unique_ptr<NetworkMessage>>>::iterator iter = genericMessagesToDatacenters.find(datacenterId);
if (iter == genericMessagesToDatacenters.end()) {
std::vector<std::unique_ptr<NetworkMessage>> &array = genericMessagesToDatacenters[datacenterId] = std::vector<std::unique_ptr<NetworkMessage>>();
array.push_back(std::unique_ptr<NetworkMessage>(networkMessage));
} else {
iter->second.push_back(std::unique_ptr<NetworkMessage>(networkMessage));
}
}
void ConnectionsManager::processRequestQueue(uint32_t connectionTypes, uint32_t dc) {
static std::map<uint32_t, std::vector<std::unique_ptr<NetworkMessage>>> genericMessagesToDatacenters;
static std::vector<uint32_t> unknownDatacenterIds;
static std::vector<Datacenter *> neededDatacenters;
static std::vector<Datacenter *> unauthorizedDatacenters;
genericMessagesToDatacenters.clear();
unknownDatacenterIds.clear();
neededDatacenters.clear();
unauthorizedDatacenters.clear();
Connection *genericConnection = nullptr;
Datacenter *defaultDatacenter = getDatacenterWithId(currentDatacenterId);
if (defaultDatacenter != nullptr) {
genericConnection = defaultDatacenter->getGenericConnection(true);
}
int32_t currentTime = (int32_t) (getCurrentTimeMillis() / 1000);
uint32_t genericRunningRequestCount = 0;
uint32_t uploadRunningRequestCount = 0;
uint32_t downloadRunningRequestCount = 0;
for (requestsIter iter = runningRequests.begin(); iter != runningRequests.end();) {
Request *request = iter->get();
const std::type_info &typeInfo = typeid(*request->rawRequest);
switch (request->connectionType & 0x0000ffff) {
case ConnectionTypeGeneric:
genericRunningRequestCount++;
break;
case ConnectionTypeDownload:
downloadRunningRequestCount++;
break;
case ConnectionTypeUpload:
uploadRunningRequestCount++;
break;
default:
break;
}
uint32_t datacenterId = request->datacenterId;
if (datacenterId == DEFAULT_DATACENTER_ID) {
if (movingToDatacenterId != DEFAULT_DATACENTER_ID) {
iter++;
continue;
}
datacenterId = currentDatacenterId;
}
if (request->requestFlags & RequestFlagTryDifferentDc) {
int32_t requestStartTime = request->startTime;
int32_t timeout = 30;
if (updatingDcSettings && dynamic_cast<TL_help_getConfig *>(request->rawRequest)) {
requestStartTime = updatingDcStartTime;
updatingDcStartTime = currentTime;
timeout = 60;
}
if (request->startTime != 0 && abs(currentTime - requestStartTime) >= timeout) {
DEBUG_D("move %s to requestsQueue", typeid(*request->rawRequest).name());
requestsQueue.push_back(std::move(*iter));
iter = runningRequests.erase(iter);
continue;
}
}
Datacenter *requestDatacenter = getDatacenterWithId(datacenterId);
if (requestDatacenter->lastInitVersion != currentVersion && !request->isInitRequest) {
request->rpcRequest.release();
request->rpcRequest = wrapInLayer(request->rawRequest, requestDatacenter, request);
request->serializedLength = request->getRpcRequest()->getObjectSize();
}
if (requestDatacenter == nullptr) {
if (std::find(unknownDatacenterIds.begin(), unknownDatacenterIds.end(), datacenterId) == unknownDatacenterIds.end()) {
unknownDatacenterIds.push_back(datacenterId);
}
iter++;
continue;
} else if (!requestDatacenter->hasAuthKey()) {
if (std::find(neededDatacenters.begin(), neededDatacenters.end(), requestDatacenter) == neededDatacenters.end()) {
neededDatacenters.push_back(requestDatacenter);
}
iter++;
continue;
} else if (!(request->requestFlags & RequestFlagEnableUnauthorized) && !requestDatacenter->authorized && request->datacenterId != DEFAULT_DATACENTER_ID && request->datacenterId != currentDatacenterId) {
if (std::find(unauthorizedDatacenters.begin(), unauthorizedDatacenters.end(), requestDatacenter) == unauthorizedDatacenters.end()) {
unauthorizedDatacenters.push_back(requestDatacenter);
}
iter++;
continue;
}
Connection *connection = requestDatacenter->getConnectionByType(request->connectionType, true);
int32_t maxTimeout = request->connectionType & ConnectionTypeGeneric ? 8 : 30;
if (!networkAvailable || connection->getConnectionToken() == 0) {
iter++;
continue;
}
uint32_t requestConnectionType = request->connectionType & 0x0000ffff;
bool forceThisRequest = (connectionTypes & requestConnectionType) && requestDatacenter->getDatacenterId() == dc;
if (typeInfo == typeid(TL_get_future_salts) || typeInfo == typeid(TL_destroy_session)) {
if (request->messageId != 0) {
request->addRespondMessageId(request->messageId);
}
request->clear(false);
forceThisRequest = false;
}
if (forceThisRequest || (abs(currentTime - request->startTime) > maxTimeout &&
(currentTime >= request->minStartTime ||
(request->failedByFloodWait != 0 && (request->minStartTime - currentTime) > request->failedByFloodWait) ||
(request->failedByFloodWait == 0 && abs(currentTime - request->minStartTime) >= 60))
)
) {
if (!forceThisRequest && request->connectionToken > 0) {
if (request->connectionType & ConnectionTypeGeneric && request->connectionToken == connection->getConnectionToken()) {
DEBUG_D("request token is valid, not retrying %s", typeInfo.name());
iter++;
continue;
} else {
if (connection->getConnectionToken() != 0 && request->connectionToken == connection->getConnectionToken()) {
DEBUG_D("request download token is valid, not retrying %s", typeInfo.name());
iter++;
continue;
}
}
}
if (request->connectionToken != 0 && request->connectionToken != connection->getConnectionToken()) {
request->lastResendTime = 0;
}
request->retryCount++;
if (!request->failedBySalt) {
if (request->connectionType & ConnectionTypeDownload) {
uint32_t retryMax = 10;
if (!(request->requestFlags & RequestFlagForceDownload)) {
if (request->failedByFloodWait) {
retryMax = 1;
} else {
retryMax = 6;
}
}
if (request->retryCount >= retryMax) {
DEBUG_E("timed out %s", typeInfo.name());
TL_error *error = new TL_error();
error->code = -123;
error->text = "RETRY_LIMIT";
request->onComplete(nullptr, error);
delete error;
iter = runningRequests.erase(iter);
continue;
}
}
} else {
request->failedBySalt = false;
}
if (request->messageSeqNo == 0) {
request->messageSeqNo = connection->generateMessageSeqNo(true);
request->messageId = generateMessageId();
}
request->startTime = currentTime;
NetworkMessage *networkMessage = new NetworkMessage();
networkMessage->message = std::unique_ptr<TL_message>(new TL_message());
networkMessage->message->msg_id = request->messageId;
networkMessage->message->bytes = request->serializedLength;
networkMessage->message->outgoingBody = request->getRpcRequest();
networkMessage->message->seqno = request->messageSeqNo;
networkMessage->requestId = request->requestToken;
networkMessage->invokeAfter = (request->requestFlags & RequestFlagInvokeAfter) != 0;
networkMessage->needQuickAck = (request->requestFlags & RequestFlagNeedQuickAck) != 0;
request->connectionToken = connection->getConnectionToken();
switch (requestConnectionType) {
case ConnectionTypeGeneric:
addMessageToDatacenter(requestDatacenter->getDatacenterId(), networkMessage, genericMessagesToDatacenters);
break;
case ConnectionTypeDownload:
case ConnectionTypeUpload: {
std::vector<std::unique_ptr<NetworkMessage>> array;
array.push_back(std::unique_ptr<NetworkMessage>(networkMessage));
sendMessagesToConnectionWithConfirmation(array, connection, false);
break;
}
default:
delete networkMessage;
}
}
iter++;
}
if (genericConnection != nullptr && !sessionsToDestroy.empty() && genericConnection->getConnectionToken() != 0) {
std::vector<int64_t>::iterator iter = sessionsToDestroy.begin();
sessionsToDestroy.erase(iter);
if (abs(currentTime - lastDestroySessionRequestTime) > 2) {
lastDestroySessionRequestTime = currentTime;
TL_destroy_session *request = new TL_destroy_session();
request->session_id = *iter;
NetworkMessage *networkMessage = new NetworkMessage();
networkMessage->message = std::unique_ptr<TL_message>(new TL_message());
networkMessage->message->msg_id = generateMessageId();
networkMessage->message->bytes = request->getObjectSize();
networkMessage->message->body = std::unique_ptr<TLObject>(request);
networkMessage->message->seqno = genericConnection->generateMessageSeqNo(false);
addMessageToDatacenter(defaultDatacenter->getDatacenterId(), networkMessage, genericMessagesToDatacenters);
}
}
for (requestsIter iter = requestsQueue.begin(); iter != requestsQueue.end();) {
Request *request = iter->get();
if (request->cancelled) {
iter = requestsQueue.erase(iter);
continue;
}
uint32_t datacenterId = request->datacenterId;
if (datacenterId == DEFAULT_DATACENTER_ID) {
if (movingToDatacenterId != DEFAULT_DATACENTER_ID) {
iter++;
continue;
}
datacenterId = currentDatacenterId;
}
if (request->requestFlags & RequestFlagTryDifferentDc) {
int32_t requestStartTime = request->startTime;
int32_t timeout = 30;
if (updatingDcSettings && dynamic_cast<TL_help_getConfig *>(request->rawRequest)) {
requestStartTime = updatingDcStartTime;
timeout = 60;
} else {
request->startTime = 0;
}
if (requestStartTime != 0 && abs(currentTime - requestStartTime) >= timeout) {
std::vector<uint32_t> allDc;
for (std::map<uint32_t, Datacenter *>::iterator iter2 = datacenters.begin(); iter2 != datacenters.end(); iter2++) {
if (iter2->first == datacenterId) {
continue;
}
allDc.push_back(iter2->first);
}
uint8_t index;
RAND_bytes(&index, 1);
datacenterId = allDc[index % allDc.size()];
if (dynamic_cast<TL_help_getConfig *>(request->rawRequest)) {
updatingDcStartTime = currentTime;
request->datacenterId = datacenterId;
} else {
currentDatacenterId = datacenterId;
}
}
}
Datacenter *requestDatacenter = getDatacenterWithId(datacenterId);
if (requestDatacenter->lastInitVersion != currentVersion && !request->isInitRequest) {
request->rpcRequest.release();
request->rpcRequest = wrapInLayer(request->rawRequest, requestDatacenter, request);
}
if (requestDatacenter == nullptr) {
if (std::find(unknownDatacenterIds.begin(), unknownDatacenterIds.end(), datacenterId) == unknownDatacenterIds.end()) {
unknownDatacenterIds.push_back(datacenterId);
}
iter++;
continue;
} else if (!requestDatacenter->hasAuthKey()) {
if (std::find(neededDatacenters.begin(), neededDatacenters.end(), requestDatacenter) == neededDatacenters.end()) {
neededDatacenters.push_back(requestDatacenter);
}
iter++;
continue;
} else if (!(request->requestFlags & RequestFlagEnableUnauthorized) && !requestDatacenter->authorized && request->datacenterId != DEFAULT_DATACENTER_ID && request->datacenterId != currentDatacenterId) {
if (std::find(unauthorizedDatacenters.begin(), unauthorizedDatacenters.end(), requestDatacenter) == unauthorizedDatacenters.end()) {
unauthorizedDatacenters.push_back(requestDatacenter);
}
iter++;
continue;
}
Connection *connection = requestDatacenter->getConnectionByType(request->connectionType, true);
if (request->connectionType & ConnectionTypeGeneric && connection->getConnectionToken() == 0) {
iter++;
continue;
}
switch (request->connectionType & 0x0000ffff) {
case ConnectionTypeGeneric:
if (genericRunningRequestCount >= 60) {
iter++;
continue;
}
genericRunningRequestCount++;
break;
case ConnectionTypeDownload:
if (!networkAvailable || downloadRunningRequestCount >= 5) {
iter++;
continue;
}
downloadRunningRequestCount++;
break;
case ConnectionTypeUpload:
if (!networkAvailable || uploadRunningRequestCount >= 5) {
iter++;
continue;
}
uploadRunningRequestCount++;
break;
default:
break;
}
uint32_t requestLength = request->rpcRequest->getObjectSize();
if (request->requestFlags & RequestFlagCanCompress) {
request->requestFlags &= ~RequestFlagCanCompress;
NativeByteBuffer *original = BuffersStorage::getInstance().getFreeBuffer(requestLength);
request->rpcRequest->serializeToStream(original);
NativeByteBuffer *buffer = compressGZip(original);
if (buffer != nullptr) {
TL_gzip_packed *packed = new TL_gzip_packed();
packed->originalRequest = std::move(request->rpcRequest);
packed->packed_data_to_send = buffer;
request->rpcRequest = std::unique_ptr<TLObject>(packed);
requestLength = packed->getObjectSize();
}
original->reuse();
}
request->messageId = generateMessageId();
request->serializedLength = requestLength;
request->messageSeqNo = connection->generateMessageSeqNo(true);
request->startTime = (int32_t) (getCurrentTimeMillis() / 1000);
request->connectionToken = connection->getConnectionToken();
NetworkMessage *networkMessage = new NetworkMessage();
networkMessage->message = std::unique_ptr<TL_message>(new TL_message());
networkMessage->message->msg_id = request->messageId;
networkMessage->message->bytes = request->serializedLength;
networkMessage->message->outgoingBody = request->getRpcRequest();
networkMessage->message->seqno = request->messageSeqNo;
networkMessage->requestId = request->requestToken;
networkMessage->invokeAfter = (request->requestFlags & RequestFlagInvokeAfter) != 0;
networkMessage->needQuickAck = (request->requestFlags & RequestFlagNeedQuickAck) != 0;
runningRequests.push_back(std::move(*iter));
switch (request->connectionType & 0x0000ffff) {
case ConnectionTypeGeneric:
addMessageToDatacenter(requestDatacenter->getDatacenterId(), networkMessage, genericMessagesToDatacenters);
break;
case ConnectionTypeDownload:
case ConnectionTypeUpload: {
std::vector<std::unique_ptr<NetworkMessage>> array;
array.push_back(std::unique_ptr<NetworkMessage>(networkMessage));
sendMessagesToConnectionWithConfirmation(array, connection, false);
break;
}
default:
delete networkMessage;
}
iter = requestsQueue.erase(iter);
}
for (std::map<uint32_t, Datacenter *>::iterator iter = datacenters.begin(); iter != datacenters.end(); iter++) {
Datacenter *datacenter = iter->second;
std::map<uint32_t, std::vector<std::unique_ptr<NetworkMessage>>>::iterator iter2 = genericMessagesToDatacenters.find(datacenter->getDatacenterId());
if (iter2 == genericMessagesToDatacenters.end()) {
Connection *connection = datacenter->getGenericConnection(false);
if (connection != nullptr && connection->getConnectionToken() != 0 && connection->hasMessagesToConfirm()) {
genericMessagesToDatacenters[datacenter->getDatacenterId()] = std::vector<std::unique_ptr<NetworkMessage>>();
}
}
}
for (std::map<uint32_t, std::vector<std::unique_ptr<NetworkMessage>>>::iterator iter = genericMessagesToDatacenters.begin(); iter != genericMessagesToDatacenters.end(); iter++) {
Datacenter *datacenter = getDatacenterWithId(iter->first);
if (datacenter != nullptr) {
bool scannedPreviousRequests = false;
int64_t lastSentMessageRpcId = 0;
bool needQuickAck = false;
std::vector<std::unique_ptr<NetworkMessage>> &array = iter->second;
size_t count = array.size();
for (uint32_t b = 0; b < count; b++) {
NetworkMessage *networkMessage = array[b].get();
if (networkMessage->needQuickAck) {
needQuickAck = true;
}
if (networkMessage->invokeAfter) {
if (!scannedPreviousRequests) {
scannedPreviousRequests = true;
std::vector<int64_t> currentRequests;
for (uint32_t a = 0; a < count; a++) {
NetworkMessage *currentNetworkMessage = array[a].get();
TL_message *currentMessage = currentNetworkMessage->message.get();
if (currentNetworkMessage->invokeAfter) {
currentRequests.push_back(currentMessage->msg_id);
}
}
int64_t maxRequestId = 0;
for (requestsIter iter2 = runningRequests.begin(); iter2 != runningRequests.end(); iter2++) {
Request *request = iter2->get();
if (request->requestFlags & RequestFlagInvokeAfter) {
if (request->messageId > maxRequestId && std::find(currentRequests.begin(), currentRequests.end(), request->messageId) == currentRequests.end()) {
maxRequestId = request->messageId;
}
}
}
lastSentMessageRpcId = maxRequestId;
}
TL_message *message = networkMessage->message.get();
if (lastSentMessageRpcId != 0 && lastSentMessageRpcId != message->msg_id) {
TL_invokeAfterMsg *request = new TL_invokeAfterMsg();
request->msg_id = lastSentMessageRpcId;
if (message->outgoingBody != nullptr) {
DEBUG_D("wrap outgoingBody(%p, %s) to TL_invokeAfterMsg", message->outgoingBody, typeid(*message->outgoingBody).name());
request->outgoingQuery = message->outgoingBody;
message->outgoingBody = nullptr;
} else {
DEBUG_D("wrap body(%p, %s) to TL_invokeAfterMsg", message->body.get(), typeid(*(message->body.get())).name());
request->query = std::move(message->body);
}
message->body = std::unique_ptr<TLObject>(request);
message->bytes += 4 + 8;
}
lastSentMessageRpcId = message->msg_id;
}
}
sendMessagesToConnectionWithConfirmation(array, datacenter->getGenericConnection(true), needQuickAck);
}
}
if (connectionTypes == ConnectionTypeGeneric && dc == currentDatacenterId) {
std::map<uint32_t, std::vector<std::unique_ptr<NetworkMessage>>>::iterator iter2 = genericMessagesToDatacenters.find(currentDatacenterId);
if (iter2 == genericMessagesToDatacenters.end()) {
sendPing(getDatacenterWithId(currentDatacenterId), false);
}
}
if (!unknownDatacenterIds.empty()) {
updateDcSettings(0);
}
size_t count = neededDatacenters.size();
for (uint32_t a = 0; a < count; a++) {
Datacenter *datacenter = neededDatacenters[a];
if (datacenter->getDatacenterId() != movingToDatacenterId && !datacenter->isHandshaking() && !datacenter->hasAuthKey()) {
datacenter->beginHandshake(true);
}
}
if (currentUserId) {
count = unauthorizedDatacenters.size();
for (uint32_t a = 0; a < count; a++) {
Datacenter *datacenter = unauthorizedDatacenters[a];
uint32_t id = datacenter->getDatacenterId();
if (id != currentDatacenterId && id != movingToDatacenterId && !datacenter->isExportingAuthorization()) {
datacenter->exportAuthorization();
}
}
}
}
Datacenter *ConnectionsManager::getDatacenterWithId(uint32_t datacenterId) {
if (datacenterId == DEFAULT_DATACENTER_ID) {
return datacenters[currentDatacenterId];
}
std::map<uint32_t, Datacenter *>::iterator iter = datacenters.find(datacenterId);
return iter != datacenters.end() ? iter->second : nullptr;
}
std::unique_ptr<TLObject> ConnectionsManager::wrapInLayer(TLObject *object, Datacenter *datacenter, Request *baseRequest) {
if (object->isNeedLayer()) {
if (datacenter == nullptr || datacenter->lastInitVersion != currentVersion) {
if (datacenter->getDatacenterId() == currentDatacenterId) {
registerForInternalPushUpdates();
}
baseRequest->isInitRequest = true;
initConnection *request = new initConnection();
request->query = std::unique_ptr<TLObject>(object);
request->api_id = currentApiId;
request->app_version = currentAppVersion;
request->device_model = currentDeviceModel;
request->lang_code = currentLangCode;
request->system_version = currentSystemVersion;
if (request->lang_code.empty()) {
request->lang_code = "en";
}
if (request->device_model.empty()) {
request->device_model = "device model unknown";
}
if (request->app_version.empty()) {
request->app_version = "app version unknown";
}
if (request->system_version.empty()) {
request->system_version = "system version unknown";
}
invokeWithLayer *request2 = new invokeWithLayer();
request2->layer = currentLayer;
request2->query = std::unique_ptr<TLObject>(request);
DEBUG_D("wrap in layer %s", typeid(*object).name());
return std::unique_ptr<TLObject>(request2);
}
}
return std::unique_ptr<TLObject>(object);
}
void ConnectionsManager::updateDcSettings(uint32_t dcNum) {
if (updatingDcSettings) {
return;
}
updatingDcStartTime = (int32_t) (getCurrentTimeMillis() / 1000);
updatingDcSettings = true;
TL_help_getConfig *request = new TL_help_getConfig();
sendRequest(request, [&](TLObject *response, TL_error *error) {
if (!updatingDcSettings) {
return;
}
if (response != nullptr) {
TL_config *config = (TL_config *) response;
int32_t updateIn = config->expires - getCurrentTime();
if (updateIn <= 0) {
updateIn = 120;
}
lastDcUpdateTime = (int32_t) (getCurrentTimeMillis() / 1000) - DC_UPDATE_TIME + updateIn;
struct DatacenterInfo {
std::vector<std::string> addressesIpv4;
std::vector<std::string> addressesIpv6;
std::vector<std::string> addressesIpv4Download;
std::vector<std::string> addressesIpv6Download;
std::map<std::string, uint32_t> ports;
void addAddressAndPort(std::string address, uint32_t port, uint32_t flags) {
std::vector<std::string> *addresses;
if ((flags & 2) != 0) {
if ((flags & 1) != 0) {
addresses = &addressesIpv6Download;
} else {
addresses = &addressesIpv4Download;
}
} else {
if ((flags & 1) != 0) {
addresses = &addressesIpv6;
} else {
addresses = &addressesIpv4;
}
}
if (std::find(addresses->begin(), addresses->end(), address) != addresses->end()) {
return;
}
addresses->push_back(address);
ports[address] = port;
}
};
std::map<uint32_t, std::unique_ptr<DatacenterInfo>> map;
size_t count = config->dc_options.size();
for (uint32_t a = 0; a < count; a++) {
TL_dcOption *dcOption = config->dc_options[a].get();
std::map<uint32_t, std::unique_ptr<DatacenterInfo>>::iterator iter = map.find((uint32_t) dcOption->id);
DatacenterInfo *info;
if (iter == map.end()) {
map[dcOption->id] = std::unique_ptr<DatacenterInfo>(info = new DatacenterInfo);
} else {
info = iter->second.get();
}
info->addAddressAndPort(dcOption->ip_address, (uint32_t) dcOption->port, (uint32_t) dcOption->flags);
}
if (!map.empty()) {
for (std::map<uint32_t, std::unique_ptr<DatacenterInfo>>::iterator iter = map.begin(); iter != map.end(); iter++) {
Datacenter *datacenter = getDatacenterWithId(iter->first);
DatacenterInfo *info = iter->second.get();
if (datacenter == nullptr) {
datacenter = new Datacenter(iter->first);
datacenters[iter->first] = datacenter;
}
datacenter->replaceAddressesAndPorts(info->addressesIpv4, info->ports, 0);
datacenter->replaceAddressesAndPorts(info->addressesIpv6, info->ports, 1);
datacenter->replaceAddressesAndPorts(info->addressesIpv4Download, info->ports, 2);
datacenter->replaceAddressesAndPorts(info->addressesIpv6Download, info->ports, 3);
if (iter->first == movingToDatacenterId) {
movingToDatacenterId = DEFAULT_DATACENTER_ID;
moveToDatacenter(iter->first);
}
}
saveConfig();
processRequestQueue(AllConnectionTypes, 0);
}
if (delegate != nullptr) {
delegate->onUpdateConfig(config);
}
}
updatingDcSettings = false;
}, nullptr, RequestFlagEnableUnauthorized | RequestFlagWithoutLogin | RequestFlagTryDifferentDc, dcNum == 0 ? currentDatacenterId : dcNum, ConnectionTypeGeneric, true);
}
void ConnectionsManager::moveToDatacenter(uint32_t datacenterId) {
if (movingToDatacenterId == datacenterId) {
return;
}
movingToDatacenterId = datacenterId;
Datacenter *currentDatacenter = getDatacenterWithId(currentDatacenterId);
clearRequestsForDatacenter(currentDatacenter);
if (currentUserId) {
TL_auth_exportAuthorization *request = new TL_auth_exportAuthorization();
request->dc_id = datacenterId;
sendRequest(request, [&, datacenterId](TLObject *response, TL_error *error) {
if (error == nullptr) {
movingAuthorization = std::move(((TL_auth_exportedAuthorization *) response)->bytes);
authorizeOnMovingDatacenter();
} else {
moveToDatacenter(datacenterId);
}
}, nullptr, RequestFlagWithoutLogin, DEFAULT_DATACENTER_ID, ConnectionTypeGeneric, true);
} else {
authorizeOnMovingDatacenter();
}
}
void ConnectionsManager::authorizeOnMovingDatacenter() {
Datacenter *datacenter = getDatacenterWithId(movingToDatacenterId);
if (datacenter == nullptr) {
updateDcSettings(0);
return;
}
datacenter->recreateSessions();
clearRequestsForDatacenter(datacenter);
if (!datacenter->hasAuthKey() && !datacenter->isHandshaking()) {
datacenter->clearServerSalts();
datacenter->beginHandshake(true);
}
if (movingAuthorization != nullptr) {
TL_auth_importAuthorization *request = new TL_auth_importAuthorization();
request->id = currentUserId;
request->bytes = std::move(movingAuthorization);
sendRequest(request, [&](TLObject *response, TL_error *error) {
if (error == nullptr) {
authorizedOnMovingDatacenter();
} else {
moveToDatacenter(movingToDatacenterId);
}
}, nullptr, RequestFlagWithoutLogin, datacenter->getDatacenterId(), ConnectionTypeGeneric, true);
} else {
authorizedOnMovingDatacenter();
}
}
void ConnectionsManager::authorizedOnMovingDatacenter() {
movingAuthorization.reset();
currentDatacenterId = movingToDatacenterId;
movingToDatacenterId = DEFAULT_DATACENTER_ID;
saveConfig();
processRequestQueue(0, 0);
}
void ConnectionsManager::applyDatacenterAddress(uint32_t datacenterId, std::string ipAddress, uint32_t port) {
scheduleTask([&, datacenterId, ipAddress, port] {
Datacenter *datacenter = getDatacenterWithId(datacenterId);
if (datacenter != nullptr) {
std::vector<std::string> addresses;
std::map<std::string, uint32_t> ports;
addresses.push_back(ipAddress);
ports[ipAddress] = port;
datacenter->replaceAddressesAndPorts(addresses, ports, 0);
datacenter->suspendConnections();
updateDcSettings(datacenterId);
}
});
}
ConnectionState ConnectionsManager::getConnectionState() {
return connectionState;
}
void ConnectionsManager::setDelegate(ConnectiosManagerDelegate *connectiosManagerDelegate) {
delegate = connectiosManagerDelegate;
}
void ConnectionsManager::setPushConnectionEnabled(bool value) {
pushConnectionEnabled = value;
Datacenter *datacenter = getDatacenterWithId(currentDatacenterId);
if (datacenter != nullptr) {
if (!pushConnectionEnabled) {
Connection *connection = datacenter->getPushConnection(false);
if (connection != nullptr) {
connection->suspendConnection();
}
} else {
datacenter->createPushConnection()->setSessionId(pushSessionId);
sendPing(datacenter, true);
}
}
}
void ConnectionsManager::init(uint32_t version, int32_t layer, int32_t apiId, std::string deviceModel, std::string systemVersion, std::string appVersion, std::string langCode, std::string configPath, std::string logPath, int32_t userId, bool isPaused, bool enablePushConnection) {
currentVersion = version;
currentLayer = layer;
currentApiId = apiId;
currentConfigPath = configPath;
currentDeviceModel = deviceModel;
currentSystemVersion = systemVersion;
currentAppVersion = appVersion;
currentLangCode = langCode;
currentUserId = userId;
currentLogPath = logPath;
pushConnectionEnabled = enablePushConnection;
if (isPaused) {
lastPauseTime = getCurrentTimeMillis();
}
if (!currentConfigPath.empty() && currentConfigPath.find_last_of('/') != currentConfigPath.size() - 1) {
currentConfigPath += "/";
}
if (!logPath.empty()) {
FileLog::init(logPath);
}
loadConfig();
pthread_create(&networkThread, NULL, (ConnectionsManager::ThreadProc), this);
}
void ConnectionsManager::resumeNetwork(bool partial) {
scheduleTask([&, partial] {
if (partial) {
if (networkPaused) {
lastPauseTime = getCurrentTimeMillis();
networkPaused = false;
DEBUG_D("wakeup network in background");
} else if (lastPauseTime != 0) {
lastPauseTime = getCurrentTimeMillis();
networkPaused = false;
DEBUG_D("reset sleep timeout");
}
} else {
lastPauseTime = 0;
networkPaused = false;
}
});
}
void ConnectionsManager::pauseNetwork() {
if (lastPauseTime != 0) {
return;
}
lastPauseTime = getCurrentTimeMillis();
}
void ConnectionsManager::setNetworkAvailable(bool value) {
scheduleTask([&, value] {
networkAvailable = value;
if (!networkAvailable) {
connectionState = ConnectionStateWaitingForNetwork;
} else {
for (std::map<uint32_t, Datacenter *>::iterator iter = datacenters.begin(); iter != datacenters.end(); iter++) {
if (iter->second->isHandshaking()) {
iter->second->createGenericConnection()->connect();
}
}
}
if (delegate != nullptr) {
delegate->onConnectionStateChanged(connectionState);
}
});
}
void ConnectionsManager::setUseIpv6(bool value) {
scheduleTask([&, value] {
ipv6Enabled = value;
});
}
#ifdef ANDROID
void ConnectionsManager::useJavaVM(JavaVM *vm, bool useJavaByteBuffers) {
javaVm = vm;
if (useJavaByteBuffers) {
JNIEnv *env = 0;
if (javaVm->GetEnv((void **) &env, JNI_VERSION_1_6) != JNI_OK) {
DEBUG_E("can't get jnienv");
exit(1);
}
jclass_ByteBuffer = (jclass) env->NewGlobalRef(env->FindClass("java/nio/ByteBuffer"));
if (jclass_ByteBuffer == 0) {
DEBUG_E("can't find java ByteBuffer class");
exit(1);
}
jclass_ByteBuffer_allocateDirect = env->GetStaticMethodID(jclass_ByteBuffer, "allocateDirect", "(I)Ljava/nio/ByteBuffer;");
if (jclass_ByteBuffer_allocateDirect == 0) {
DEBUG_E("can't find java ByteBuffer allocateDirect");
exit(1);
}
DEBUG_D("using java ByteBuffer");
}
}
#endif
/*
public void applyCountryPortNumber(final String phone) {
if (phone == null || phone.length() == 0) {
return;
}
Utilities.stageQueue.postRunnable(new Runnable() {
@Override
public void run() {
if (phone.startsWith("968")) {
for (HashMap.Entry<Integer, Datacenter> entry : datacenters.entrySet()) {
Datacenter datacenter = entry.getValue();
datacenter.overridePort = 8888;
datacenter.suspendConnections();
}
} else {
for (HashMap.Entry<Integer, Datacenter> entry : datacenters.entrySet()) {
Datacenter datacenter = entry.getValue();
datacenter.overridePort = -1;
}
}
}
});
}
*/
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