source: network-demos/socket/pgmHost/clientTcp.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: 2.5 KB
Line 
1/*
2 * clientTcp.c : generate an executable to test the TCP Sockets.
3 * the RTEMS target must be configured as server.
4 * Don't forget to change the IP address.
5 *
6 *  $Id$
7 */
8
9#include <stdio.h>
10#include <string.h>
11#include <errno.h>
12#include <unistd.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#include <netinet/ip_icmp.h>
24#include <netdb.h>
25
26#include "../buffer.h"
27
28#define DEFAULT_IP "194.2.81.61"
29#define DEFAULT_LISTEN_IP "194.2.81.126"
30
31int main(int argc, char** argv )
32{
33  int   sd;
34  struct   sockaddr_in server;
35  struct  hostent *hp;
36  struct sockaddr_in from;
37  int fromlen;
38  int i,retval;
39  char  *tabChar;
40  char *server_name= "localhost";
41  unsigned short port;
42  unsigned long lenChar;
43  struct timespec timeToWait, timeRem;
44
45  printf("main begin...\n");
46  port = DEFAULT_PORT_SERVER;
47  server_name = DEFAULT_IP;
48
49  bzero(&server, sizeof(server));
50
51  sd = socket (AF_INET,SOCK_STREAM,0);
52  printf("socket() result:<%d>\n", sd);
53
54  if (sd<0) {
55    printf("opening stream socket\n");
56    exit(-1);
57  }
58       
59  if (inet_aton (server_name, (struct in_addr*)&(server.sin_addr.s_addr)) == 0) {
60    printf("%s : IP address: bad format\n",
61           argv[0]);
62  } 
63
64  server.sin_family = AF_INET;
65  server.sin_port = htons(port);
66
67  /* Connect to TCP/SERVER */
68  if ( (retval = connect(sd, &server, sizeof(server))) < 0 ) {
69    close(sd);
70    perror("connecting stream socket");
71    exit(0);
72  }
73  printf("connect() result:<%d>\n", retval);
74  fromlen = sizeof(from);
75  if ( (retval = getpeername(sd,&from,&fromlen)) <0){
76    perror("could't get peername\n");
77    exit(1);
78  }
79  printf("getpeername() result:<%d>\n", retval);
80  printf("Connected to TCP/Server:");
81  printf("%s:%d\n", inet_ntoa(from.sin_addr), ntohs(from.sin_port));
82
83  if ((hp = gethostbyaddr((const char *)(&from.sin_addr.s_addr),
84                          sizeof(from.sin_addr.s_addr),AF_INET)) == NULL)
85    fprintf(stderr, "Can't find host %s\n", inet_ntoa(from.sin_addr));
86  else
87    printf("(Name is : %s)\n", hp->h_name);
88
89  printf("Now, let's send packets...");
90
91  while(1) {
92       
93    tabChar = BuildBuffer();
94    lenChar = *((unsigned long *)(tabChar));
95   
96    i = send(sd, tabChar, lenChar, 0);
97    if (i == -1) 
98      {
99        fprintf(stderr,"send() failed (at least locally detected errors)\n");
100        return -1;
101      }
102    timeToWait.tv_sec = 1;
103    timeToWait.tv_nsec = 0;
104    nanosleep(&timeToWait, &timeRem);
105         
106    FreeBuffer(tabChar);
107   
108  }
109 
110  close(sd);
111  exit (0);
112}       
113
114
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