diff options
Diffstat (limited to 'q6/b/server.c')
-rw-r--r-- | q6/b/server.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/q6/b/server.c b/q6/b/server.c new file mode 100644 index 0000000..e217c2b --- /dev/null +++ b/q6/b/server.c | |||
@@ -0,0 +1,44 @@ | |||
1 | #include <stdio.h> | ||
2 | #include <stdlib.h> | ||
3 | #include <sys/types.h> | ||
4 | #include <sys/socket.h> | ||
5 | #include <netinet/in.h> | ||
6 | #include <unistd.h> | ||
7 | #include <string.h> | ||
8 | #include <arpa/inet.h> | ||
9 | |||
10 | int main(int argc, char *argv[]) { | ||
11 | int sockfd, connfd; | ||
12 | struct sockaddr_in servaddr, cli; | ||
13 | |||
14 | sockfd = socket(AF_INET, SOCK_STREAM, 0); | ||
15 | servaddr.sin_family = AF_INET; | ||
16 | servaddr.sin_addr.s_addr = htonl(INADDR_ANY); | ||
17 | |||
18 | int port = atoi(argv[1]); | ||
19 | servaddr.sin_port = htons(port); | ||
20 | |||
21 | bind(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)); | ||
22 | |||
23 | listen(sockfd, 128); | ||
24 | printf("Server started at %s...\n", inet_ntoa(servaddr.sin_addr)); | ||
25 | fflush(stdout); | ||
26 | |||
27 | while(1) { | ||
28 | socklen_t len = sizeof(cli); | ||
29 | connfd = accept(sockfd, (struct sockaddr *)&cli, &len); | ||
30 | int i = getpeername(connfd, (struct sockaddr*)&cli, &len); | ||
31 | |||
32 | printf("Client connected at port %d\n", htons(cli.sin_port)); | ||
33 | int n; | ||
34 | char buf[100]; | ||
35 | |||
36 | while((n = recv(connfd, buf, 100, 0)) > 0) { | ||
37 | printf("Client message: %s\n", buf); | ||
38 | fflush(stdout); | ||
39 | send(connfd, buf, n, 0); | ||
40 | }; | ||
41 | close(connfd); | ||
42 | } | ||
43 | return 0; | ||
44 | } | ||