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Add check for no pkt received (non-blocking)

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Stephen Seo 2019-03-04 15:27:01 +09:00
parent d38c7ac105
commit da9bd55e06
1 changed files with 8 additions and 0 deletions
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8
src/UDPConnection.c
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@ -4,6 +4,7 @@
#include <string.h> #include <string.h>
#include <stdarg.h> #include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <errno.h>
UDPC_Context* UDPC_init(uint16_t listenPort, int isClient) UDPC_Context* UDPC_init(uint16_t listenPort, int isClient)
{ {
@ -460,6 +461,13 @@ void UDPC_update(UDPC_Context *ctx)
0, 0,
(struct sockaddr*) &receivedData, (struct sockaddr*) &receivedData,
&receivedDataSize); &receivedDataSize);
if(bytes == 0 && (errno == EAGAIN || errno == EWOULDBLOCK))
{
// expected result for non-blocking socket
return;
}
if(bytes < 20) if(bytes < 20)
{ {
UDPC_INTERNAL_log(ctx, 2, "Got invalid packet from %s port %d (too small)", UDPC_INTERNAL_log(ctx, 2, "Got invalid packet from %s port %d (too small)",