client file implemented

computer_networks/lab/lab3/client.c

@@ -0,0 +1,73 @@
+/**
+ * /mnt/z/my_git/sixth-semester/computer_networks/lab/lab3/client.c
+ * @file client.c
+ * @author Avinal Kumar
+ * @since February 10, 2021
+ *
+ * Client implementation
+ */
+
+#include <sys/socket.h>
+#include <stdio.h>
+#include <string.h>
+#include <netdb.h>
+#include <stdlib.h>
+
+int main()
+{
+    char buf[100];
+    int k;
+    int sock_desc;
+    struct sockaddr_in client;
+    memset(&client, 0, sizeof(client));
+    sock_desc = socket(AF_INET, SOCK_STREAM, 0);
+
+    if (sock_desc == -1)
+    {
+        printf("Error in socket creation");
+        exit(1);
+    }
+
+    client.sin_family = AF_INET;
+    client.sin_addr.s_addr = inet_addr("127.0.0.1");
+    //client.sin_addr.s_addr=INADDR_ANY;
+    client.sin_port = 3002;
+
+    k = connect(sock_desc, (struct sockaddr *)&client, sizeof(client));
+    if (k == -1)
+    {
+        printf("Error in connecting to server");
+        exit(1);
+    }
+
+    // image file size
+    printf("Getting image size ...\n");
+    FILE *data;
+    data = fopen("SocialMedia.jpg", "r");
+    int data_size = 0;
+    fseek(data, 0, SEEK_END);
+    data_size = ftell(data);
+    fseek(data, 0, SEEK_SET);
+    sleep(1);
+    printf("Sending image size ...\n");
+    write(sock_desc, &data_size, sizeof(data_size));
+    sleep(1);
+
+    // sending
+    printf("Sending image, please wait ...\n");
+    char send_buffer[data_size];
+    sleep(2);
+    int nb = fread(send_buffer, 1, sizeof(send_buffer), data);
+    while (!feof(data))
+    {
+        write(sock_desc, send_buffer, nb);
+        nb = fread(send_buffer, 1, sizeof(send_buffer), data);
+    }
+
+    sleep(2);
+    printf("Image sent successfully !!");
+
+    close(sock_desc);
+    exit(0);
+    return 0;
+}