source: network-demos/socket/pgmHost/clientTcp.c @ f3b4c5a

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 f3b4c5a was f3b4c5a, checked in by Joel Sherrill <joel.sherrill@…>, on Aug 11, 1998 at 1:31:51 PM

New test from Emmanuel Raguet <raguet@…>.

  • 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
7#include <stdio.h>
8#include <string.h>
9#include <errno.h>
10#include <unistd.h>
11#include <sys/time.h>
12
13#include <sys/param.h>
14#include <sys/socket.h>
15#include <sys/file.h>
16 
17#include <netinet/in_systm.h>
18#include <netinet/in.h>
19#include <netinet/ip.h>
20#include <arpa/inet.h>
21#include <netinet/ip_icmp.h>
22#include <netdb.h>
23
24#include "../buffer.h"
25
26#define DEFAULT_IP "194.2.81.61"
27#define DEFAULT_LISTEN_IP "194.2.81.126"
28
29int main(int argc, char** argv )
30{
31  int   sd;
32  struct   sockaddr_in server;
33  struct  hostent *hp;
34  struct sockaddr_in from;
35  int fromlen;
36  int i,retval;
37  char  *tabChar;
38  char *server_name= "localhost";
39  unsigned short port;
40  unsigned long lenChar;
41  struct timespec timeToWait, timeRem;
42
43  printf("main begin...\n");
44  port = DEFAULT_PORT_SERVER;
45  server_name = DEFAULT_IP;
46
47  bzero(&server, sizeof(server));
48
49  sd = socket (AF_INET,SOCK_STREAM,0);
50  printf("socket() result:<%d>\n", sd);
51
52  if (sd<0) {
53    printf("opening stream socket\n");
54    exit(-1);
55  }
56       
57  if (inet_aton (server_name, (struct in_addr*)&(server.sin_addr.s_addr)) == 0) {
58    printf("%s : IP address: bad format\n",
59           argv[0]);
60  } 
61
62  server.sin_family = AF_INET;
63  server.sin_port = htons(port);
64
65  /* Connect to TCP/SERVER */
66  if ( (retval = connect(sd, &server, sizeof(server))) < 0 ) {
67    close(sd);
68    perror("connecting stream socket");
69    exit(0);
70  }
71  printf("connect() result:<%d>\n", retval);
72  fromlen = sizeof(from);
73  if ( (retval = getpeername(sd,&from,&fromlen)) <0){
74    perror("could't get peername\n");
75    exit(1);
76  }
77  printf("getpeername() result:<%d>\n", retval);
78  printf("Connected to TCP/Server:");
79  printf("%s:%d\n", inet_ntoa(from.sin_addr), ntohs(from.sin_port));
80
81  if ((hp = gethostbyaddr((const char *)(&from.sin_addr.s_addr),
82                          sizeof(from.sin_addr.s_addr),AF_INET)) == NULL)
83    fprintf(stderr, "Can't find host %s\n", inet_ntoa(from.sin_addr));
84  else
85    printf("(Name is : %s)\n", hp->h_name);
86
87  printf("Now, let's send packets...");
88
89  while(1) {
90       
91    tabChar = BuildBuffer();
92    lenChar = *((unsigned long *)(tabChar));
93   
94    i = send(sd, tabChar, lenChar, 0);
95    if (i == -1) 
96      {
97        fprintf(stderr,"send() failed (at least locally detected errors)\n");
98        return -1;
99      }
100    timeToWait.tv_sec = 1;
101    timeToWait.tv_nsec = 0;
102    nanosleep(&timeToWait, &timeRem);
103         
104    FreeBuffer(tabChar);
105   
106  }
107 
108  close(sd);
109  exit (0);
110}       
111
112
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