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Diffstat (limited to 'server.c')
-rw-r--r--server.c37
1 files changed, 34 insertions, 3 deletions
diff --git a/server.c b/server.c
index 9e2fd5c..63f3062 100644
--- a/server.c
+++ b/server.c
@@ -1,11 +1,20 @@
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
-#include <string.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "common.h"
int main()
{
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
+ if (sockfd == -1)
+ panic("socket creation error");
struct sockaddr_in serv_addr;
bzero(&serv_addr, sizeof(serv_addr));
@@ -13,14 +22,36 @@ int main()
serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
serv_addr.sin_port = htons(8888);
- bind(sockfd, (struct sockaddr*)&serv_addr, sizeof(serv_addr));
+ if (bind(sockfd, (struct sockaddr*)&serv_addr, sizeof(serv_addr)) == -1)
+ panic("socket bind error");
- listen(sockfd, SOMAXCONN);
+ if (listen(sockfd, SOMAXCONN) == -1)
+ panic("socket listen error");
struct sockaddr_in clnt_addr;
socklen_t clnt_addr_len = sizeof(clnt_addr);
bzero(&clnt_addr, sizeof(clnt_addr));
+
int clnt_sockfd = accept(sockfd, (struct sockaddr *)&clnt_addr, &clnt_addr_len);
+ if (clnt_sockfd == -1)
+ panic("socket accept error");
printf("New client fd %d, ip: %s, port: %d\n", clnt_sockfd, inet_ntoa(clnt_addr.sin_addr), ntohs(clnt_addr.sin_port));
+
+ while (true) {
+ char buf[1024];
+ bzero(&buf, sizeof(buf));
+ ssize_t n_read_bytes = read(clnt_sockfd, buf, sizeof(buf));
+ if (n_read_bytes > 0) {
+ printf("message from client fd %d: %s\n", clnt_sockfd, buf);
+ write(clnt_sockfd, buf, sizeof(buf));
+ } else if (n_read_bytes == 0) {
+ printf("client fd %d disconnected\n", clnt_sockfd);
+ close(clnt_sockfd);
+ break;
+ } else if (n_read_bytes == -1) {
+ close(clnt_sockfd);
+ panic("socket read error");
+ }
+ }
}