Fix socket erros

.vscode/settings.json

@@ -3,6 +3,10 @@
         "unistd.h": "c",
         "stdio.h": "c",
         "in.h": "c",
-        "time.h": "c"
+        "time.h": "c",
+        "signal.h": "c",
+        "string.h": "c",
+        "stdlib.h": "c",
+        "inet.h": "c"
     }
 }

client.c

@@ -10,7 +10,7 @@
 #define TRUE               1
 #define FALSE              0
 #define HOST_IP            "127.0.0.1"   // IPV4 loopback address
-#define SERVER_PORT        8179         // Server port
+#define SERVER_PORT        8294         // Server port
 #define PORT_USED_CODE     256
 #define SOCKET_ERROR_CODE  -1         // Socket create, Connection server, Receive buffer to server code error
 #define SYSTEM_EXIT_FAILED  1        // Operating System program error response 
@@ -82,37 +82,27 @@ int is_server_down()
     system(full_command) == PORT_USED_CODE ? FALSE : TRUE;
 }
 
+
 int receive_buffer(int client_socket, int buffer_size)
 {
-    if(!is_server_down())
+    int bytes_read;
+
+    char received_buffer[buffer_size];
+
+    printf("[CLIENT] - Receiving [PONG]\n");
+
+    while((bytes_read = recv(client_socket, received_buffer, buffer_size, 0)) > 0)
     {
-        char received_buffer[buffer_size]; // Buffer will be send by server to client
-        int bytes_read = recv(client_socket, received_buffer, sizeof(received_buffer), 0);
 
-        if(bytes_read == SOCKET_ERROR_CODE)
+        received_buffer[bytes_read] = '\0';
-        {
-            perror("Receive server message error!");
 
-        }else
+        printf("VALUE RECEIVED [  %s  ]", received_buffer);
-        {
-            received_buffer[bytes_read] = '\0'; // Buffer string finalized with '\0',
 
-            float size_in_kb = ((float)buffer_size/(float)KB);
+        printf("\n[CLIENT] - Server message received successfully!");
 
-            if(buffer_size >= KB){
+        return 0;
-                printf("[CLIENT] - Receive [PONG] %dKB", (buffer_size/KB));
-            }else{
-                
-                printf("[CLIENT] - Receive [PONG] %fKB", ((float)buffer_size/(float)KB));
-            }
-
-            printf("\n[CLIENT] - Server message received successfully!\n\n");
-
-        }
-    }else{
-        printf("Server is down!");
-        exit(SYSTEM_EXIT_SUCCESS);
     }
+   return 1;
 }
 
 void send_buffer(int client_socket, char sended_buffer[], int buffer_size)
@@ -126,8 +116,8 @@ void send_buffer(int client_socket, char sended_buffer[], int buffer_size)
         printf("[CLIENT] - Sending [PING] %fKB\n\n", ((float)buffer_size/(float)KB));
     }
     
-    send(client_socket, sended_buffer, strlen(sended_buffer), 0);
+    send(client_socket, sended_buffer, buffer_size, 0);
-    receive_buffer(client_socket, buffer_size);
+    
 
 }
 
@@ -146,8 +136,10 @@ void socket_listen(int client_socket, char sended_buffer[], int buffer_size)
         exit(SYSTEM_EXIT_FAILED);
     }
 
-    send_buffer(client_socket, sended_buffer, buffer_size);
+    while(TRUE){
-   
+        send_buffer(client_socket, sended_buffer, buffer_size);
+        receive_buffer(client_socket, buffer_size);
+    }
 }
 
 int main(int argc, char** argv)
@@ -156,7 +148,11 @@ int main(int argc, char** argv)
     int buffer_size = (int)atoi(argv[1]);
 
     char sended_buffer[buffer_size];
-    memset(&sended_buffer, '0', buffer_size);
+    
+    for(int i = 0; i < buffer_size; i++)
+    {
+        sended_buffer[i] = '0';
+    }
 
     int client_socket  = init_socket();
     
@@ -175,7 +171,7 @@ int main(int argc, char** argv)
 
     double elapsed_time_ms = (double)(end - start) * 1000.0 / CLOCKS_PER_SEC;
 
-    printf("Time: %.2f ms\n\n", elapsed_time_ms);
+    printf("\nTime: %.2f ms\n\n", elapsed_time_ms);
 
     printf("==================================================================\n");
 

server.c

@@ -9,7 +9,7 @@
 #define FALSE              0
 #define TRUE               1
 #define HOST_IP            "127.0.0.1"    // IPV4 loopback address
-#define SERVER_PORT        8179          // Server port
+#define SERVER_PORT        8294          // Server port
 #define MAX_CONNECTIONS     2          // Num max client connected simultaneously 
 #define SOCKET_ERROR_CODE  -1         // Socket create, Connection server, Receive buffer to server code error
 #define SYSTEM_EXIT_FAILED  1        // Operating System program error response 
@@ -43,7 +43,7 @@ socket_address config_server_address()
     return server_address;
 }
 
-void bind_server(int server_socket, socket_address server_address)
+void bind_server(int server_socket, socket_address server_address, int buffer_size)
 {
 
     struct sockaddr *address = (struct sockaddr*)&server_address;
@@ -76,36 +76,33 @@ int accept_connection(int client_socket, int server_socket, socket_address clien
 
 }
 
-void send_buffer(int client_socket, char buffer[])
+void send_buffer(int client_socket, char buffer[], char buffer_size)
 {
     
-    printf("\n[SERVER] - Sending [PONG]\n\n");
+    printf("\n[SERVER] - Sending [PONG]\n");
-    send(client_socket, buffer, strlen(buffer), 0);
+    send(client_socket, buffer, buffer_size, 0);
 }
 
 
-void receive_buffer(int client_socket, char buffer[], int buffer_size)
+int receive_buffer(int client_socket, char buffer[], int buffer_size)
 {
     int bytes_read;
-    int lock = FALSE;
 
     char received_buffer[buffer_size];
 
     printf("[SERVER] - Receiving [PING]\n");
 
-    while((bytes_read = recv(client_socket, received_buffer, sizeof(received_buffer), 0)) > 0)
+    while((bytes_read = recv(client_socket, received_buffer, buffer_size, 0)) > 0)
     {
-        if(!lock){
 
-            lock = TRUE;
+        received_buffer[bytes_read] = '\0';
-            received_buffer[bytes_read] = '\0';
-            printf("[SERVER] - Client message received successfully!");
 
-            send_buffer(client_socket, received_buffer);
+        printf("VALUE RECEIVED [  %s  ]", received_buffer);
-        }
+
+        printf("\n[SERVER] - Client message received successfully!");
+
+        send_buffer(client_socket, received_buffer, buffer_size);
     }
-
-    
 }
 
 void controlc_handler()
@@ -133,12 +130,15 @@ void server_listen(int client_socket, int server_socket, socket_address client_a
     //    exit(SYSTEM_EXIT_FAILED);
     //} 
 
-    //while(TRUE)
+    char received_buffer[buffer_size];
-    //{
+    
+
+    while(TRUE)
+    {
         client_socket = accept_connection(client_socket, server_socket, client_address, client_addr_len);
         
         receive_buffer(client_socket, buffer, buffer_size);
-    //}
+    }
     
 }
 
@@ -158,7 +158,7 @@ int main(int argc, char** argv)
 
     server_address = config_server_address();
 
-    bind_server(server_socket, server_address);
+    bind_server(server_socket, server_address, buffer_size);
     
     server_listen(client_socket, server_socket, client_address, client_addr_len, buffer, buffer_size);
 }