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Handle large SSDP responses better

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This commit is contained in:
Cameron Gutman
2018-11-07 17:35:46 -08:00
parent 852ee8df8d
commit 2ba42e6dd5
1 changed files with 7 additions and 2 deletions
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9
miss/tracer.cpp
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@@ -70,12 +70,17 @@ struct UPNPDev* getUPnPDevicesByAddress(IN_ADDR address)
u_long mode = 1;
ioctlsocket(s, FIONBIO, &mode);
char responseBuffer[1024];
char responseBuffer[2048];
struct UPNPDev* deviceList = nullptr;
for (;;) {
int bytesRead = recv(s, responseBuffer, sizeof(responseBuffer) - 1, 0);
if (bytesRead == SOCKET_ERROR) {
if (WSAGetLastError() != WSAEWOULDBLOCK) {
if (WSAGetLastError() == WSAEMSGSIZE) {
// Skip packets larger than our buffer
printf("recv() message too large\n");
continue;
}
else if (WSAGetLastError() != WSAEWOULDBLOCK) {
printf("recv() failed: %d\n", WSAGetLastError());
}
break;