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wip building base socket loop

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asus
2023-02-08 14:07:06 +01:00
parent a8bd2210e0
commit 00a8022cfd
2 changed files with 35 additions and 43 deletions
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mini_serv.c
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@@ -33,55 +33,47 @@ void putstr(int fd, char *str) {
write(fd, str, strlen(str));
}
void error(char *str, int code) {
void error(char *str) {
putstr(2, str);
exit(code);
exit(1);
}
int main(int ac, char **av) {
int port;
int sockfd;
// int connfd;
// int len;
struct sockaddr_in servaddr;
// struct cli;
int port;
int server_fd;
int client_fd;
char buf[1024];
struct sockaddr_in addr;
socklen_t len;
fd_set fds;
if (ac < 1)
error("Wrong number of arguments\n", 1);
port = atoi(av[1]);
if (port == -1)
error("Fatal error\n", 1);
if (ac != 2)
error("Wrong number of arguments\n");
if ( (port = atoi(av[1])) == -1)
error("Fatal error\n");
// socket create and verification
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd == -1)
error("socket creation failed...\n", 0);
else
putstr(1, "Socket successfully created..\n");
bzero(&servaddr, sizeof(servaddr));
if ( (server_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
error("Fatal error\n");
bzero(&addr, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
addr.sin_port = htons(port);
// assign IP, PORT
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
servaddr.sin_port = htons(8081);
len = sizeof(addr);
if (bind(server_fd, (const struct sockaddr *)&addr, len) == -1)
error("Fatal error\n");
if (listen(server_fd, 10) == -1)
error("Fatal error\n");
// // Binding newly created socket to given IP and verification
// if ((bind(sockfd, (const struct sockaddr *)&servaddr, sizeof(servaddr))) != 0) {
// printf("socket bind failed...\n");
// exit(0);
// }
// else
// printf("Socket successfully binded..\n");
// if (listen(sockfd, 10) != 0) {
// printf("cannot listen\n");
// exit(0);
// }
// len = sizeof(cli);
// connfd = accept(sockfd, (struct sockaddr *)&cli, &len);
// if (connfd < 0) {
// printf("server acccept failed...\n");
// exit(0);
// }
// else
// printf("server acccept the client...\n");
while (1) {
if ( (client_fd = accept(server_fd, (struct sockaddr *)&addr, &len)) == -1)
error("Fatal error\n");
FD_ZERO(&fds);
FD_SET(client_fd, &fds);
select(client_fd + 1, &fds, NULL, NULL, NULL);
if (FD_ISSET(client_fd, &fds))
recv(client_fd, buf, 1024, 0);
}
return (0);
}