From 7369505397cdfddf0883e2c24e1652df8bd488fe Mon Sep 17 00:00:00 2001
From: Guangxiong Lin <hi@gxlin.org>
Date: Fri, 16 Dec 2022 13:53:35 +0800
Subject: Refactor file structure

---
 src/client.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 src/client.c

(limited to 'src/client.c')

diff --git a/src/client.c b/src/client.c
new file mode 100644
index 0000000..0b9cbfe
--- /dev/null
+++ b/src/client.c
@@ -0,0 +1,48 @@
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "util.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));
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+    serv_addr.sin_port = htons(8888);
+
+    if (connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == -1)
+        panic("socket connect error");
+
+    for (;;) {
+        char buf[1024];
+        bzero(&buf, sizeof(buf));
+        scanf("%s", buf);
+        ssize_t n_write_bytes = write(sockfd, buf, sizeof(buf));
+        if (n_write_bytes == -1) {
+            printf("socket already disconnected, cannot write any more!\n");
+            break;
+        }
+
+        ssize_t n_read_bytes = read(sockfd, buf, sizeof(buf));
+        if (n_read_bytes > 0) {
+            printf("message from server: %s\n", buf);
+        } else if (n_read_bytes == 0) {
+            printf("server socket disconnected!\n");
+            break;
+        } else if (n_read_bytes == -1) {
+            close(sockfd);
+            panic("socket read error");
+        }
+    }
+}
-- 
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