Mutex work in udpserver

udpserver.cpp

@@ -761,7 +761,8 @@ void udpServer::commonReceived(QList<CLIENT*>* l,CLIENT* current, QByteArray r)
                 udpMutex.lock();
                 current->socket->writeDatagram(match->data, current->ipAddress, current->port);
                 udpMutex.unlock();
-                } else {
+            }
+            else {
                 // Just send an idle!
                 sendControl(current, 0x00, in->seq);
             }
@@ -1182,7 +1183,7 @@ void udpServer::sendTokenResponse(CLIENT* c, quint8 type)
 
 void udpServer::watchdog(CLIENT* c)
 {
-    c->txMutex.lock();
+    if (c->txMutex.tryLock()) {
         //qInfo(logUdpServer()) << c->ipAddress.toString() << ":" << c->port << ":Buffers tx:"<< c->txSeqBuf.length() << " rx:" << c->rxSeqBuf.length();
         // Erase old entries from the tx packet buffer. Keep the first 100 sent packets as we seem to get asked for these?
         if (!c->txSeqBuf.isEmpty())
@@ -1191,16 +1192,16 @@ void udpServer::watchdog(CLIENT* c)
             { return v.timeSent.secsTo(QTime::currentTime()) > PURGE_SECONDS; }), c->txSeqBuf.end());
         }
         c->txMutex.unlock();
-
+    }
     // Erase old entries from the missing packets buffer
-    c->missMutex.lock();
+    if (c->missMutex.tryLock()) {
         if (!c->rxMissing.isEmpty()) {
             c->rxMissing.erase(std::remove_if(c->rxMissing.begin(), c->rxMissing.end(), [](const SEQBUFENTRY& v)
             { return v.timeSent.secsTo(QTime::currentTime()) > PURGE_SECONDS; }), c->rxMissing.end());
         }
         c->missMutex.unlock();
-
-    c->rxMutex.lock();
+    }
+    if (c->rxMutex.tryLock()) {
         if (!c->rxSeqBuf.isEmpty()) {
             std::sort(c->rxSeqBuf.begin(), c->rxSeqBuf.end());
 
@@ -1211,6 +1212,7 @@ void udpServer::watchdog(CLIENT* c)
         }
         c->rxMutex.unlock();
     }
+}
 
 void udpServer::sendStatus(CLIENT* c)
 {
@@ -1339,10 +1341,13 @@ void udpServer::receiveAudioData(const audioPacket &d)
             client->txSeqBuf.last().data = t;
             client->txMutex.unlock();
 
-            udpMutex.lock();
+            if (udpMutex.tryLock()) {
                 client->socket->writeDatagram(t, client->ipAddress, client->port);
                 udpMutex.unlock();
-
+            }
+            else {
+                qDebug(logUdpServer()) << "Failed to lock udpMutex()";
+            }
             client->txSeq++;
             client->sendAudioSeq++;
         }