/[dynamips]/trunk/udp_recv.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /trunk/udp_recv.c

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Revision 12 - (hide annotations)
Sat Oct 6 16:45:40 2007 UTC (16 years, 5 months ago) by dpavlin
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1 dpavlin 11 #include <stdio.h>
2     #include <stdlib.h>
3     #include <string.h>
4     #include <stdarg.h>
5     #include <unistd.h>
6     #include <fcntl.h>
7     #include <errno.h>
8     #include <assert.h>
9    
10     #include "utils.h"
11     #include "net.h"
12    
13     #define MAX_PKT_SIZE 2048
14    
15     int main(int argc,char *argv[])
16     {
17     char pkt[MAX_PKT_SIZE];
18     ssize_t pkt_size;
19     int sck = -1;
20     FILE *fd;
21    
22     /* Wait connection */
23     if (ip_listen(atoi(argv[2]),SOCK_DGRAM,1,&sck) < 1) {
24     perror("ip_listen");
25     exit(EXIT_FAILURE);
26     }
27    
28     /* Receive packet and store it */
29     if ((pkt_size = recvfrom(sck,pkt,sizeof(pkt),0,NULL,NULL)) < 0) {
30     perror("recvfrom");
31     exit(EXIT_FAILURE);
32     }
33    
34     if (!(fd = fopen(argv[1],"w"))) {
35     perror("fopen");
36     exit(EXIT_FAILURE);
37     }
38    
39     fwrite(pkt,1,pkt_size,fd);
40     fclose(fd);
41     close(sck);
42     return(0);
43     }

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