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Increase SSDP UDP socket recv buffer size

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Cameron Gutman
2018-11-30 00:32:57 -08:00
parent e7f03cfa93
commit 218c0d7385
1 changed files with 7 additions and 0 deletions
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7
miss/tracer.cpp
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@@ -47,6 +47,13 @@ struct UPNPDev* getUPnPDevicesByAddress(IN_ADDR address)
return nullptr;
}
// We will be reading all responses at the end, so ensure we have ample buffer space
// to allow responses to accumulate without loss.
int recvBufferSize = 65535;
if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, (char*)&recvBufferSize, sizeof(recvBufferSize)) == SOCKET_ERROR) {
printf("setsockopt() failed: %d\n", WSAGetLastError());
}
// Send the first search message with HOST set properly
chars = snprintf(searchBuffer, ARRAYSIZE(searchBuffer), k_SsdpSearchFormatString, inet_ntoa(address));
if (send(s, searchBuffer, chars, 0) == SOCKET_ERROR) {