source: network-demos/socket/pgmHost/serverUdp.c @ 7ba2ac5

4.11netdemos-4-5-branchnetwork-demos-4-10-branchnetwork-demos-4-6-branchnetwork-demos-4-7-branchnetwork-demos-4-8-branchnetwork-demos-4-9-branchrtems-4-5-branch
Last change on this file since 7ba2ac5 was 7ba2ac5, checked in by Joel Sherrill <joel.sherrill@…>, on Aug 21, 1998 at 1:26:06 PM

Added CVS Id Strings which were missing

  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 * serverUdp.c : generate an executable to test the UDP Sockets.
3 * the RTEMS target must be configured as client.
4 * Don't forget to change the IP address.
5 *
6 *  $Id$
7 */
8
9
10#include <stdio.h>
11#include <string.h>
12#include <errno.h>
13#include <sys/time.h>
14
15#include <sys/param.h>
16#include <sys/socket.h>
17#include <sys/file.h>
18
19#include <netinet/in_systm.h>
20#include <netinet/in.h>
21#include <netinet/ip.h>
22#include <arpa/inet.h>
23
24#include "../buffer.h"
25
26#define DEFAULT_IP "194.2.81.126"
27#define DEFAULT_LISTEN_IP "194.2.81.61"
28
29int main(int argc, char** argv)
30{
31
32  int   sd;
33  struct   sockaddr_in server, from;
34  int fromlen;
35  char *tabChar;
36  int rc;
37  unsigned long msgId;
38  char *server_name= "localhost";
39  unsigned short port;
40
41   port = DEFAULT_PORT_CLIENT;
42   server_name = DEFAULT_IP;
43
44   bzero(&server, sizeof(server));
45   server.sin_family = AF_INET;
46   inet_aton (server_name, (struct in_addr*)&(server.sin_addr.s_addr));
47
48   server.sin_port = htons(port);
49
50   sd = socket(AF_INET,SOCK_DGRAM, 0);
51   if (sd == -1) {
52     printf(" socket failed errno = %d\n", errno);
53     return 0;
54   }
55 
56   rc = bind(sd, (struct sockaddr *)&server, sizeof(server)) ;
57   if (rc == -1) {
58     printf(" bind failed errno = %d\n", errno);
59     return 0;
60   }
61
62   tabChar = AllocBuffer();
63
64   if(!tabChar) {
65     printf("malloc failed ...\n");
66     return 0;
67     }
68           
69   bzero(&from, sizeof(from));
70   from.sin_family = AF_INET;
71   inet_aton (DEFAULT_LISTEN_IP, (struct in_addr*)&(from.sin_addr.s_addr));
72   fromlen = sizeof(from);
73
74   printf("UDP Server : ready to receive messages...\n");
75
76   msgId = 0; 
77   
78   for(;;){
79     rc=recvfrom(sd, tabChar, SIZE_MAX_RCV_BUFFER, 0, (struct sockaddr *)&from, &fromlen);
80
81     if (rc < 0) {
82       printf("\n Recvfrom error %d\n\n",errno);
83     }
84     else{
85       msgId = CheckBuffer(tabChar);
86     }
87     if (msgId == 0)
88       break ;
89   }
90
91   FreeBuffer(tabChar);
92   return 0;
93} 
94
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