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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/socket.h>
#include <sys/select.h>
#ifndef S_SPLIT_S // Workaround for splint.
#include <unistd.h>
#endif
int main(int argc, char ** argv)
{
int sockfd, sockfd2;
int n;
struct sockaddr_in client_address;
struct sockaddr_in servaddr;
socklen_t len;
char workspace[128];
int ready;
sockfd=socket(AF_INET,SOCK_DGRAM,0);
sockfd2 = socket(AF_INET, SOCK_DGRAM, 0);
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port=htons(0);
bind(sockfd,(struct sockaddr *)&servaddr,sizeof(servaddr));
//servaddr.sin_port=htons(9001);
bind(sockfd2,(struct sockaddr *)&servaddr,sizeof(servaddr));
fd_set socks;
FD_ZERO( &socks);
FD_SET(sockfd, &socks);
FD_SET(sockfd2, &socks);
int nsocks;
nsocks = sockfd;
if(sockfd2 > nsocks)
{
nsocks = sockfd2;
}
nsocks++;
struct timeval timing;
timing.tv_sec = 30;
timing.tv_usec = 0;
if((ready = select(nsocks, &socks, NULL, NULL, &timing)) == -1)
{
printf("error\n");
}
else if (ready == 0)
{
printf("timeout\n");
}
else
{
if(FD_ISSET(sockfd, &socks))
{
len = sizeof(client_address);
recvfrom(sockfd,workspace,128,0,(struct sockaddr *)&client_address, &len);
printf("%s\n", workspace);
}
if(FD_ISSET(sockfd2, &socks))
{
len = sizeof(client_address);
recvfrom(sockfd2,workspace,128,0,(struct sockaddr *)&client_address, &len);
printf("%s\n", workspace);
}
}
}
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