42/42_SIDE_exam_06_miniserv
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

working

Browse Source
This commit is contained in:
hulamy
2023-02-10 14:53:51 +01:00
parent b445e7ac7a
commit dfeb3c5e8f
3 changed files with 147 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
mini_serv.c
View File

@@ -31,7 +31,7 @@
// strstr
// write
#define BUFSIZE 1024
#define BUFSIZE 42000
void error(char *str) {
write(2, str, strlen(str));
@@ -57,24 +57,13 @@ int init_socket(struct sockaddr_in *addr, int len, int port) {
}
void broadcast(char *buf, fd_set *set, int max_fd, int server_fd, int sender_fd) {
write(1, "---\n", 4);
for(int i = 0; i <= max_fd; ++i) {
printf("[%d]\n", i);
if (i == server_fd)
{
write(1, "is server\n", 10);
continue;
}
if (i == sender_fd)
{
write(1, "is sender\n", 10);
continue;
}
if (FD_ISSET(i, set))
{
send(i, buf, strlen(buf), 0);
write(1, buf, strlen(buf));
}
}
}
@@ -85,6 +74,7 @@ int main(int ac, char **av) {
int max_fd;
int client_id;
char buf[BUFSIZE];
char tmpbuf[BUFSIZE];
struct sockaddr_in addr;
socklen_t addr_len;
fd_set fdset;
@@ -99,6 +89,7 @@ int main(int ac, char **av) {
addr_len = sizeof(addr);
server_fd = init_socket(&addr, addr_len, port);
FD_ZERO(&fdset);
FD_SET(server_fd, &fdset);
max_fd = server_fd;
@@ -107,14 +98,12 @@ int main(int ac, char **av) {
/*
*/
while (1) {
// FD_ZERO(&rdset);
rdset = fdset;
select(max_fd + 1, &rdset, NULL, NULL, NULL);
// new connection
if (FD_ISSET(server_fd, &rdset))
{
if (FD_ISSET(server_fd, &rdset)) {
client_fd = accept(server_fd, (struct sockaddr *)&addr, &addr_len);
FD_SET(client_fd, &fdset);
clients[client_fd] = client_id;
@@ -129,25 +118,21 @@ int main(int ac, char **av) {
client_fd = 0;
while(client_fd <= max_fd) {
ret = 1;
if (FD_ISSET(client_fd, &rdset))
if (FD_ISSET(client_fd, &rdset)) {
bzero(buf, BUFSIZE);
ret = recv(client_fd, buf, BUFSIZE, 0);
if (ret == 0) {
sprintf(buf, "server: client %d just left\n", clients[client_fd]);
write(1, buf, strlen(buf));
broadcast(buf, &fdset, max_fd, server_fd, client_fd);
FD_CLR(client_fd, &fdset);
}
else {
sprintf(buf, "client %d: %s\n", clients[client_fd], buf);
write(1, buf, strlen(buf));
broadcast(buf, &fdset, max_fd, server_fd, client_fd);
if (ret == 0) {
sprintf(buf, "server: client %d just left\n", clients[client_fd]);
broadcast(buf, &fdset, max_fd, server_fd, client_fd);
FD_CLR(client_fd, &fdset);
}
else if (ret > 0) {
sprintf(tmpbuf, "client %d: %s", clients[client_fd], buf);
broadcast(tmpbuf, &fdset, max_fd, server_fd, client_fd);
}
}
client_fd++;
}
// "client %d: "
// "server: client %d just left\n"
}
return (0);