50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
// TCP Client test program
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#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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int atoi(const char *str);
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int close(int filedes);
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int main(int argc , char *argv[])
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{
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if(argc < 3) {
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printf("usage: client <addr> <port>\n");
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return 1;
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}
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int sock, port = atoi(argv[2]);
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struct sockaddr_in server;
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char message[1000] , server_reply[2000];
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sock = socket(AF_INET , SOCK_STREAM , 0);
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if (sock == -1) {
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printf("could not create socket");
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}
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server.sin_addr.s_addr = inet_addr(argv[1]);
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server.sin_family = AF_INET;
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server.sin_port = htons( port );
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printf("connecting...\n");
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if (connect(sock , (struct sockaddr *)&server , sizeof(server)) < 0) {
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perror("connect failed. Error");
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return 1;
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}
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printf("connected\n");
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char *msg = "welcome to the machine!";
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// TX
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if(send(sock, msg, strlen(msg), 0) < 0) {
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printf("send failed");
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return 1;
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}
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else {
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printf("sent message: %s\n", msg);
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printf("len = %ld\n", strlen(msg));
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}
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close(sock);
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return 0;
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}
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