Replace TSLQueue with std::deque where possible
Also added std::mutex for each new std::deque. cSendPkts is left as a TSLQueue because it needs to support fast removal from the middle of the data structure (mainly because the queued packets per ConnectionData has an imposed limit of packets to hold).
This commit is contained in:
parent
e66e6c7b74
commit
4c48dbb0cf
2 changed files with 91 additions and 64 deletions
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@ -235,12 +235,15 @@ public:
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std::unordered_map<uint32_t, UDPC_ConnectionId> idMap;
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std::unordered_set<UDPC_ConnectionId, ConnectionIdHasher> deletionMap;
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std::unordered_set<PKContainer, PKContainer> peerPKWhitelist;
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TSLQueue<UDPC_PacketInfo> receivedPkts;
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std::deque<UDPC_PacketInfo> receivedPkts;
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std::mutex receivedPktsMutex;
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TSLQueue<UDPC_PacketInfo> cSendPkts;
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// handled internally
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TSLQueue<UDPC_Event> internalEvents;
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std::deque<UDPC_Event> internalEvents;
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std::mutex internalEventsMutex;
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// handled via interface, if isReceivingEvents is true
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TSLQueue<UDPC_Event> externalEvents;
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std::deque<UDPC_Event> externalEvents;
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std::mutex externalEventsMutex;
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std::default_random_engine rng_engine;
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@ -279,10 +279,12 @@ void UDPC::Context::update_impl() {
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lastUpdated = now;
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// handle internalEvents
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do {
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auto optE = internalEvents.top_and_pop();
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if(optE) {
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switch(optE->type) {
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{
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std::lock_guard<std::mutex> intEvLock(internalEventsMutex);
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while(!internalEvents.empty()) {
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auto event = internalEvents.front();
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internalEvents.pop_front();
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switch(event.type) {
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case UDPC_ET_REQUEST_CONNECT:
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{
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unsigned char *sk = nullptr;
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@ -294,11 +296,11 @@ void UDPC::Context::update_impl() {
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UDPC::ConnectionData newCon(
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false,
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this,
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optE->conId.addr,
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optE->conId.scope_id,
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optE->conId.port,
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event.conId.addr,
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event.conId.scope_id,
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event.conId.port,
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#ifdef UDPC_LIBSODIUM_ENABLED
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flags.test(2) && optE->v.enableLibSodium != 0,
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flags.test(2) && event.v.enableLibSodium != 0,
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sk, pk);
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#else
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false,
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@ -309,52 +311,52 @@ void UDPC::Context::update_impl() {
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UDPC_LoggingType::UDPC_ERROR,
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"Failed to init ConnectionData instance (libsodium "
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"init fail) while client establishing connection with ",
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UDPC_atostr((UDPC_HContext)this, optE->conId.addr),
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UDPC_atostr((UDPC_HContext)this, event.conId.addr),
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" port ",
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optE->conId.port);
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event.conId.port);
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continue;
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}
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newCon.sent = std::chrono::steady_clock::now() - UDPC::INIT_PKT_INTERVAL_DT;
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std::lock_guard<std::mutex> lock(conMapMutex);
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if(conMap.find(optE->conId) == conMap.end()) {
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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if(conMap.find(event.conId) == conMap.end()) {
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conMap.insert(std::make_pair(
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optE->conId,
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event.conId,
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std::move(newCon)));
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auto addrConIter = addrConMap.find(optE->conId.addr);
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auto addrConIter = addrConMap.find(event.conId.addr);
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if(addrConIter == addrConMap.end()) {
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auto insertResult = addrConMap.insert(std::make_pair(
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optE->conId.addr,
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event.conId.addr,
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std::unordered_set<UDPC_ConnectionId, UDPC::ConnectionIdHasher>{}));
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assert(insertResult.second &&
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"new connection insert into addrConMap must not fail");
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addrConIter = insertResult.first;
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}
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addrConIter->second.insert(optE->conId);
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addrConIter->second.insert(event.conId);
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UDPC_CHECK_LOG(this,
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UDPC_LoggingType::UDPC_INFO,
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"Client initiating connection to ",
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UDPC_atostr((UDPC_HContext)this, optE->conId.addr),
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UDPC_atostr((UDPC_HContext)this, event.conId.addr),
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" port ",
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optE->conId.port,
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event.conId.port,
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" ...");
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} else {
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UDPC_CHECK_LOG(this,
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UDPC_LoggingType::UDPC_WARNING,
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"Client initiate connection, already connected to peer ",
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UDPC_atostr((UDPC_HContext)this, optE->conId.addr),
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UDPC_atostr((UDPC_HContext)this, event.conId.addr),
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" port ",
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optE->conId.port);
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event.conId.port);
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}
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}
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break;
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case UDPC_ET_REQUEST_DISCONNECT:
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{
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std::lock_guard<std::mutex> lock(conMapMutex);
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if(optE->v.dropAllWithAddr != 0) {
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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if(event.v.dropAllWithAddr != 0) {
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// drop all connections with same address
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auto addrConIter = addrConMap.find(optE->conId.addr);
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auto addrConIter = addrConMap.find(event.conId.addr);
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if(addrConIter != addrConMap.end()) {
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for(auto identIter = addrConIter->second.begin();
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identIter != addrConIter->second.end();
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@ -367,7 +369,7 @@ void UDPC::Context::update_impl() {
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}
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} else {
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// drop only specific connection with addr and port
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auto iter = conMap.find(optE->conId);
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auto iter = conMap.find(event.conId);
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if(iter != conMap.end()) {
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deletionMap.insert(iter->first);
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}
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@ -379,12 +381,12 @@ void UDPC::Context::update_impl() {
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break;
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}
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}
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} while(!internalEvents.empty());
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}
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{
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// check timed out, check good/bad mode with rtt, remove timed out
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std::vector<UDPC_ConnectionId> removed;
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std::lock_guard<std::mutex> lock(conMapMutex);
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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for(auto iter = conMap.begin(); iter != conMap.end(); ++iter) {
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temp_dt_fs = now - iter->second.received;
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if(temp_dt_fs >= UDPC::CONNECTION_TIMEOUT) {
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@ -415,7 +417,8 @@ void UDPC::Context::update_impl() {
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}
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iter->second.toggledTimer = std::chrono::steady_clock::duration::zero();
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if(isReceivingEvents.load()) {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_BAD_MODE, iter->first, false});
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}
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} else if(iter->second.flags.test(1)) {
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@ -441,7 +444,8 @@ void UDPC::Context::update_impl() {
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iter->second.port);
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iter->second.flags.set(1);
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if(isReceivingEvents.load()) {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_GOOD_MODE, iter->first, false});
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}
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}
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@ -484,10 +488,12 @@ void UDPC::Context::update_impl() {
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}
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if(isReceivingEvents.load()) {
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if(flags.test(1) && cIter->second.flags.test(3)) {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_FAIL_CONNECT, *iter, false});
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} else {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_DISCONNECTED, *iter, false});
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}
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}
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@ -504,7 +510,7 @@ void UDPC::Context::update_impl() {
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while(true) {
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auto next = sendIter.current();
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if(next) {
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std::lock_guard<std::mutex> lock(conMapMutex);
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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auto iter = conMap.find(next->receiver);
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if(iter != conMap.end()) {
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if(iter->second.sendPkts.size() >= UDPC_QUEUED_PKTS_MAX_SIZE) {
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@ -558,7 +564,7 @@ void UDPC::Context::update_impl() {
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// update send (only if triggerSend flag is set)
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{
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std::lock_guard<std::mutex> lock(conMapMutex);
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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for(auto iter = conMap.begin(); iter != conMap.end(); ++iter) {
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auto delIter = deletionMap.find(iter->first);
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if(!iter->second.flags.test(0) && delIter == deletionMap.end()) {
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@ -1030,7 +1036,7 @@ void UDPC::Context::update_impl() {
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// remove queued for deletion
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for(auto delIter = deletionMap.begin(); delIter != deletionMap.end(); ++delIter) {
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std::lock_guard<std::mutex> lock(conMapMutex);
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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auto iter = conMap.find(*delIter);
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if(iter != conMap.end()) {
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if(iter->second.flags.test(4)) {
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@ -1045,10 +1051,12 @@ void UDPC::Context::update_impl() {
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}
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if(isReceivingEvents.load()) {
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if(flags.test(1) && iter->second.flags.test(3)) {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_FAIL_CONNECT, iter->first, false});
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} else {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_DISCONNECTED, iter->first, false});
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}
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}
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@ -1181,7 +1189,7 @@ void UDPC::Context::update_impl() {
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if(isConnect && !isPing) {
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// is connect packet and is accepting new connections
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std::lock_guard<std::mutex> lock(conMapMutex);
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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if(!flags.test(1)
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&& conMap.find(identifier) == conMap.end()
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&& isAcceptNewConnections.load()) {
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@ -1245,7 +1253,7 @@ void UDPC::Context::update_impl() {
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recvBuf + UDPC_MIN_HEADER_SIZE + 4,
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crypto_sign_PUBLICKEYBYTES);
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{
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std::lock_guard<std::mutex> lock(peerPKWhitelistMutex);
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std::lock_guard<std::mutex> pkWhitelistLock(peerPKWhitelistMutex);
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if(!peerPKWhitelist.empty() && peerPKWhitelist.find(UDPC::PKContainer(newConnection.peer_pk)) == peerPKWhitelist.end()) {
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UDPC_CHECK_LOG(this, UDPC_LoggingType::UDPC_WARNING,
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"peer_pk is not in whitelist, not establishing "
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@ -1309,7 +1317,8 @@ void UDPC::Context::update_impl() {
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}
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addrConIter->second.insert(identifier);
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if(isReceivingEvents.load()) {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_CONNECTED,
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identifier,
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false});
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@ -1357,7 +1366,7 @@ void UDPC::Context::update_impl() {
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recvBuf + UDPC_MIN_HEADER_SIZE + 4,
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crypto_sign_PUBLICKEYBYTES);
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{
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std::lock_guard<std::mutex> lock(peerPKWhitelistMutex);
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std::lock_guard<std::mutex> pkWhitelistLock(peerPKWhitelistMutex);
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if(!peerPKWhitelist.empty() && peerPKWhitelist.find(UDPC::PKContainer(iter->second.peer_pk)) == peerPKWhitelist.end()) {
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UDPC_CHECK_LOG(this, UDPC_LoggingType::UDPC_WARNING,
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"peer_pk is not in whitelist, not establishing "
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@ -1404,7 +1413,8 @@ void UDPC::Context::update_impl() {
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flags.test(2) && iter->second.flags.test(6) ?
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", libsodium enabled" : ", libsodium disabled");
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if(isReceivingEvents.load()) {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_CONNECTED,
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identifier,
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false});
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@ -1413,7 +1423,7 @@ void UDPC::Context::update_impl() {
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return;
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}
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std::lock_guard<std::mutex> lock(conMapMutex);
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std::lock_guard<std::mutex> conMapLock(conMapMutex);
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auto iter = conMap.find(identifier);
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if(iter == conMap.end() || iter->second.flags.test(3)
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|| !iter->second.flags.test(4) || iter->second.id != conID) {
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@ -1481,7 +1491,8 @@ void UDPC::Context::update_impl() {
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}
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}
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if(isReceivingEvents.load()) {
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externalEvents.push(UDPC_Event{
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std::lock_guard<std::mutex> extEvLock(externalEventsMutex);
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externalEvents.push_back(UDPC_Event{
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UDPC_ET_DISCONNECTED, identifier, false});
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}
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conMap.erase(conIter);
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@ -1642,7 +1653,8 @@ void UDPC::Context::update_impl() {
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recPktInfo.receiver.port = ntohs(socketInfo.sin6_port);
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recPktInfo.rtt = durationToMS(iter->second.rtt);
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receivedPkts.push(recPktInfo);
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std::lock_guard<std::mutex> receivedPktsLock(receivedPktsMutex);
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receivedPkts.push_back(recPktInfo);
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} else if(pktType == 1 && bytes > (int)UDPC_LSFULL_HEADER_SIZE) {
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UDPC_PacketInfo recPktInfo = UDPC::get_empty_pinfo();
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recPktInfo.dataSize = bytes - UDPC_LSFULL_HEADER_SIZE;
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@ -1660,7 +1672,8 @@ void UDPC::Context::update_impl() {
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recPktInfo.receiver.port = ntohs(socketInfo.sin6_port);
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recPktInfo.rtt = durationToMS(iter->second.rtt);
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receivedPkts.push(recPktInfo);
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std::lock_guard<std::mutex> receivedPktsLock(receivedPktsMutex);
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receivedPkts.push_back(recPktInfo);
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} else {
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UDPC_CHECK_LOG(this,
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UDPC_LoggingType::UDPC_VERBOSE,
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@ -2099,7 +2112,8 @@ void UDPC_client_initiate_connection(
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}
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#endif
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c->internalEvents.push(UDPC_Event{UDPC_ET_REQUEST_CONNECT, connectionId, enableLibSodium});
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std::lock_guard<std::mutex> intEvLock(c->internalEventsMutex);
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c->internalEvents.push_back(UDPC_Event{UDPC_ET_REQUEST_CONNECT, connectionId, enableLibSodium});
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}
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void UDPC_queue_send(UDPC_HContext ctx, UDPC_ConnectionId destinationId,
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@ -2140,7 +2154,7 @@ unsigned long UDPC_get_queued_size(UDPC_HContext ctx, UDPC_ConnectionId id, int
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return 0;
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}
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std::lock_guard<std::mutex> lock(c->conMapMutex);
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std::lock_guard<std::mutex> conMapLock(c->conMapMutex);
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auto iter = c->conMap.find(id);
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if(iter != c->conMap.end()) {
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if(exists) {
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@ -2173,7 +2187,8 @@ void UDPC_drop_connection(UDPC_HContext ctx, UDPC_ConnectionId connectionId, int
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return;
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}
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c->internalEvents.push(UDPC_Event{UDPC_ET_REQUEST_DISCONNECT, connectionId, dropAllWithAddr});
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std::lock_guard<std::mutex> intEvLock(c->internalEventsMutex);
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c->internalEvents.push_back(UDPC_Event{UDPC_ET_REQUEST_DISCONNECT, connectionId, dropAllWithAddr});
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return;
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}
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@ -2183,7 +2198,7 @@ int UDPC_has_connection(UDPC_HContext ctx, UDPC_ConnectionId connectionId) {
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return 0;
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}
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std::lock_guard<std::mutex> lock(c->conMapMutex);
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std::lock_guard<std::mutex> conMapLock(c->conMapMutex);
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return c->conMap.find(connectionId) == c->conMap.end() ? 0 : 1;
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}
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@ -2194,7 +2209,7 @@ UDPC_ConnectionId* UDPC_get_list_connected(UDPC_HContext ctx, unsigned int *size
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return nullptr;
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}
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std::lock_guard<std::mutex> lock(c->conMapMutex);
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std::lock_guard<std::mutex> conMapLock(c->conMapMutex);
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if(c->conMap.empty()) {
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if(size) {
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@ -2280,11 +2295,15 @@ UDPC_Event UDPC_get_event(UDPC_HContext ctx, unsigned long *remaining) {
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return UDPC_Event{UDPC_ET_NONE, UDPC_create_id_anyaddr(0), 0};
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}
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auto optE = c->externalEvents.top_and_pop_and_rsize(remaining);
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if(optE) {
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return *optE;
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} else {
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std::lock_guard<std::mutex> extEvLock(c->externalEventsMutex);
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if(c->externalEvents.empty()) {
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if(remaining) { *remaining = 0; }
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return UDPC_Event{UDPC_ET_NONE, UDPC_create_id_anyaddr(0), 0};
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} else {
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auto event = c->externalEvents.front();
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c->externalEvents.pop_front();
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if(remaining) { *remaining = c->externalEvents.size(); }
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return event;
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}
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}
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@ -2294,11 +2313,16 @@ UDPC_PacketInfo UDPC_get_received(UDPC_HContext ctx, unsigned long *remaining) {
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return UDPC::get_empty_pinfo();
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}
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auto opt_pinfo = c->receivedPkts.top_and_pop_and_rsize(remaining);
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if(opt_pinfo) {
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return *opt_pinfo;
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std::lock_guard<std::mutex> receivedPktsLock(c->receivedPktsMutex);
|
||||
if(c->receivedPkts.empty()) {
|
||||
if(remaining) { *remaining = 0; }
|
||||
return UDPC::get_empty_pinfo();
|
||||
} else {
|
||||
auto pinfo = c->receivedPkts.front();
|
||||
c->receivedPkts.pop_front();
|
||||
if(remaining) { *remaining = c->receivedPkts.size(); }
|
||||
return pinfo;
|
||||
}
|
||||
return UDPC::get_empty_pinfo();
|
||||
}
|
||||
|
||||
int UDPC_set_libsodium_keys(UDPC_HContext ctx, unsigned char *sk, unsigned char *pk) {
|
||||
|
@ -2340,7 +2364,7 @@ int UDPC_add_whitelist_pk(UDPC_HContext ctx, unsigned char *pk) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
std::lock_guard<std::mutex> lock(c->peerPKWhitelistMutex);
|
||||
std::lock_guard<std::mutex> pkWhitelistLock(c->peerPKWhitelistMutex);
|
||||
auto result = c->peerPKWhitelist.insert(UDPC::PKContainer(pk));
|
||||
if(result.second) {
|
||||
return c->peerPKWhitelist.size();
|
||||
|
@ -2354,7 +2378,7 @@ int UDPC_has_whitelist_pk(UDPC_HContext ctx, unsigned char *pk) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
std::lock_guard<std::mutex> lock(c->peerPKWhitelistMutex);
|
||||
std::lock_guard<std::mutex> pkWhitelistLock(c->peerPKWhitelistMutex);
|
||||
if(c->peerPKWhitelist.find(UDPC::PKContainer(pk)) != c->peerPKWhitelist.end()) {
|
||||
return 1;
|
||||
}
|
||||
|
@ -2367,7 +2391,7 @@ int UDPC_remove_whitelist_pk(UDPC_HContext ctx, unsigned char *pk) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
std::lock_guard<std::mutex> lock(c->peerPKWhitelistMutex);
|
||||
std::lock_guard<std::mutex> pkWhitelistLock(c->peerPKWhitelistMutex);
|
||||
if(c->peerPKWhitelist.erase(UDPC::PKContainer(pk)) != 0) {
|
||||
return 1;
|
||||
}
|
||||
|
@ -2380,7 +2404,7 @@ int UDPC_clear_whitelist(UDPC_HContext ctx) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
std::lock_guard<std::mutex> lock(c->peerPKWhitelistMutex);
|
||||
std::lock_guard<std::mutex> pkWhitelistLock(c->peerPKWhitelistMutex);
|
||||
c->peerPKWhitelist.clear();
|
||||
return 1;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue