36 lines
806 B
C
36 lines
806 B
C
#include "Tcp.h"
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int open_tcp(char* ip, int port) {
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int sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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perror("ERROR opening socket");
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exit(1);
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}
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struct hostent *server;
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struct sockaddr_in serv_addr;
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server = gethostbyname(ip);
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if (server == NULL) {
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fprintf(stderr,"ERROR, no such host\n");
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exit(0);
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}
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bzero((char *) &serv_addr, sizeof(serv_addr));
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serv_addr.sin_family = AF_INET;
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bcopy((char *)server->h_addr, (char *)&serv_addr.sin_addr.s_addr, server->h_length);
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serv_addr.sin_port = htons(port);
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if (connect(sockfd, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) < 0) {
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perror("ERROR connecting");
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exit(1);
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}
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return sockfd;
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}
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int close_tcp(int fd) {
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return close(fd);
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} |