42/42_SIDE_exam_06_miniserv
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new tester

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asus
2023-02-17 15:03:41 +01:00
parent 356267e288
commit 101d7b7581
24 changed files with 87 additions and 12648 deletions
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102
mini_serv.c
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@@ -1,108 +1,100 @@
#include <errno.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h> //sprintf
#include <stdio.h>
#define BUFSIZE 42000
#define MSGSIZE 1024
#define BUFSIZE MSGSIZE + 20
typedef struct s_client {
int id;
char msg[1024];
} t_client;
char msg[MSGSIZE];
} t_client;
void error(char *str) {
write(2, str, strlen(str));
void error(char *msg) {
write(2, msg, strlen(msg));
exit(1);
}
int init_socket(struct sockaddr_in *addr, int len, int port) {
int server_fd;
if ( (server_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
error("Fatal error2\n");
bzero(addr, len);
addr->sin_family = AF_INET;
addr->sin_addr.s_addr = htonl(2130706433); //127.0.0.1
addr->sin_port = htons(port);
if (bind(server_fd, (const struct sockaddr *)addr, len) == -1)
error("Fatal error3\n");
if (listen(server_fd, 10) == -1)
error("Fatal error4\n");
return server_fd;
}
void broadcast(char *buf, fd_set *set, int max_fd, int server_fd, int sender_fd) {
void broadcast(char *msg, fd_set *set, int max_fd, int server_fd, int current_fd) {
for(int i = 0; i <= max_fd; ++i) {
if (i == server_fd)
continue;
if (i == sender_fd)
if (i == current_fd)
continue;
if (FD_ISSET(i, set))
send(i, buf, strlen(buf), 0);
send(i, msg, strlen(msg), 0);
}
}
int main(int ac, char **av) {
int server_fd;
int client_fd;
int client_id;
int id;
int ret;
int port;
int max_fd;
int ret;
t_client clients[FD_SETSIZE];
t_client client;
char buf[BUFSIZE];
char msg[BUFSIZE];
struct sockaddr_in addr;
struct sockaddr_in addr;
socklen_t addr_len;
fd_set fdset;
fd_set rdset;
t_client clients[FD_SETSIZE];
if (ac != 2)
error("Wrong number of arguments\n");
if ( (port = atoi(av[1])) == -1)
error("Fatal error1\n");
addr_len = sizeof(addr);
bzero(&addr, addr_len);
server_fd = init_socket(&addr, addr_len, port);
// socket create and verification
server_fd = socket(AF_INET, SOCK_STREAM, 0);
if (server_fd == -1)
error("Fatal error2\n");
// assign IP, PORT
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
addr.sin_port = htons(port);
// Binding newly created socket to given IP and verification
if ((bind(server_fd, (const struct sockaddr *)&addr, addr_len)) == -1)
error("Fatal error3\n");
if (listen(server_fd, 10) == -1)
error("Fatal error4\n");
FD_ZERO(&fdset);
FD_SET(server_fd, &fdset);
max_fd = server_fd;
client_id = 0;
bzero(&clients, sizeof(clients));
id = 0;
while (1) {
while(1) {
rdset = fdset;
select(max_fd + 1, &rdset, NULL, NULL, NULL);
// new connection
if (FD_ISSET(server_fd, &rdset)) {
client_fd = accept(server_fd, (struct sockaddr *)&addr, &addr_len);
FD_SET(client_fd, &fdset);
clients[client_fd].id = client_id;
if (client_fd > max_fd)
max_fd = client_fd;
sprintf(msg, "server: client %d just arrived\n", client_id);
clients[client_fd].id = id;
bzero(clients[client_fd].msg, MSGSIZE);
sprintf(msg, "server: client %d just arrived\n", id);
broadcast(msg, &fdset, max_fd, server_fd, client_fd);
client_id++;
id++;
}
// new message
client_fd = 0;
while(client_fd <= max_fd) {
ret = 1;
if (FD_ISSET(client_fd, &rdset)) {
bzero(buf, BUFSIZE);
ret = recv(client_fd, buf, BUFSIZE, 0);
if (ret == 0) {
sprintf(msg, "server: client %d just left\n", clients[client_fd].id);
@@ -117,25 +109,23 @@ int main(int ac, char **av) {
}
}
else if (ret > 0) {
client = clients[client_fd];
for(int i = 0, j = strlen(client.msg); i < ret; ++i, ++j) {
client.msg[j] = buf[i];
for(int i = 0, j = strlen(clients[client_fd].msg); i < ret; ++i, ++j) {
clients[client_fd].msg[j] = buf[i];
if (buf[i] == '\n') {
client.msg[j] = '\0';
sprintf(msg, "client %d: %s\n", client.id, client.msg);
clients[client_fd].msg[j] = '\0';
sprintf(msg, "client %d: %s\n", clients[client_fd].id, clients[client_fd].msg);
broadcast(msg, &fdset, max_fd, server_fd, client_fd);
bzero(client.msg, strlen(client.msg));
bzero(clients[client_fd].msg, MSGSIZE);
j = -1;
}
}
}
}
client_fd++;
++client_fd;
}
}
return (0);
return(0);
}