31 lines
754 B
C
31 lines
754 B
C
/* Client che si collega a un server e basta */
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#include "../basic.h"
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int main(int argc, char **argv) {
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int sockfd;
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struct sockaddr_in servaddr;
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if (argc != 3){
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printf("usage: daytimecli <indirizzoIP> <porta> \n");
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exit(0);
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}
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if( (sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0 ){
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printf("socket error\n");
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exit(0);
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}
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bzero(&servaddr, sizeof(servaddr));
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servaddr.sin_family = AF_INET;
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servaddr.sin_port = htons(atoi(argv[2])); /* server port */
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if (inet_pton(AF_INET, argv[1], &servaddr.sin_addr) <= 0){
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printf("inet_pton error for %s\n", argv[1]);
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exit(0);
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}
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if (connect(sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr)) < 0){
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printf("connect error\n");
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exit(0);
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}
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exit(0);
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}
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