For the error EWOULDBLOCK try again 10 times until quitting.
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8b66c47e49
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@ -148,6 +148,7 @@ IsmasClient::sendRequestReceiveResponse(int port, QString const &request) {
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int const bytesToWrite = strlen(request.toStdString().c_str());
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strncpy(buf, request.toStdString().c_str(), sizeof(buf)-1);
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int loop = 0;
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int bytesWritten = 0;
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while (bytesWritten < bytesToWrite) {
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int n = ::sendto(sockfd, buf+bytesWritten, bytesToWrite-bytesWritten, 0, NULL, 0);
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@ -155,14 +156,18 @@ IsmasClient::sendRequestReceiveResponse(int port, QString const &request) {
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bytesWritten += n;
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} else {
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if (errno == EWOULDBLOCK) {
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if (++loop < 10) {
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QThread::msleep(500);
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continue;
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}
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printErrorMessage(port, clientIP, clientPort,
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QString("TIMEOUT (") + strerror(errno) + ")");
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QString("WRITE TIMEOUT %1(").arg(loop) + strerror(errno) + ")");
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::close(sockfd);
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return std::nullopt;
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} else
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if (errno == EINTR) {
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printErrorMessage(port, clientIP, clientPort,
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QString("INTERRUPTED BY SIGNAL (1) (") + strerror(errno) + ")");
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QString("WRITE INTERRUPTED BY SIGNAL (1) (") + strerror(errno) + ")");
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continue;
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}
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}
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@ -177,6 +182,7 @@ IsmasClient::sendRequestReceiveResponse(int port, QString const &request) {
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printInfoMessage(port, clientIP, clientPort, QString("MESSAGE SENT ") + buf);
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loop = 0;
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bzero(buf, sizeof(buf));
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int bytesToRead = sizeof(buf)-1;
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int bytesRead = 0;
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@ -196,8 +202,12 @@ IsmasClient::sendRequestReceiveResponse(int port, QString const &request) {
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} else
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if (n < 0) {
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if (errno == EWOULDBLOCK) {
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if (++loop < 10) {
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QThread::msleep(500);
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continue;
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}
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printErrorMessage(port, clientIP, clientPort,
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QString("TIMEOUT (") + strerror(errno) + ")");
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QString("READ TIMEOUT %1(").arg(loop) + strerror(errno) + ")");
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::close(sockfd);
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return std::nullopt;
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}
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