Fix tcp connection

CMakeLists.txt

@@ -5,5 +5,13 @@ execute_process(
     COMMAND mkdir -p bin
 )
 
-add_executable(./bin/server ./include/socket.h ./include/utils.h ./src/socket.c ./src/utils.c ./src/main_server.c)
+set(SOURCE_FILES
-add_executable(./bin/client ./include/socket.h ./include/utils.h ./src/socket.c ./src/utils.c ./src/main_client.c)
+    src/socket.c
+    src/pipe.c
+    src/utils.c
+)
+
+include_directories(include)
+
+add_executable(./bin/server ${SOURCE_FILES} ./src/main_server.c)
+add_executable(./bin/client ${SOURCE_FILES} ./src/main_client.c)

include/pipe.h

@@ -5,11 +5,10 @@
     #define NUM_OF_PIPE_DESCRIPTORS   2
     #define CHILD_PROCESS             0
 
+    #include <sys/types.h>
+
     extern int *create_pipe();
     extern pid_t fork_process();
 
-    extern void server_write_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer);
+    extern float pingpong_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer);
-    extern void server_read_pipe( int* descriptors, pid_t child, int buffer_size, int *buffer);
-    extern void client_read_pipe( int* descriptors, pid_t child, int buffer_size, int *buffer);
-    extern void client_write_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer);
 #endif // __PIPE_H__

src/main_client.c

@@ -42,8 +42,7 @@ void send_buffer(void *server_address)
 
     if(socket_type == TCP_SOCKET_FLAG) send(client_socket, buffer, buffer_size, 0);
     else sendto(client_socket, buffer, buffer_size, 0, address, server_addr_size);
-
+    receive_buffer(server_address);
-    receive_buffer(socket_type == UNIX_SOCKET_FLAG ? (void*)&unix_server_address : (void*)&ipv4_server_address);
 }
 
 void controlc_handler()
@@ -96,8 +95,6 @@ void attribuite_and_init_socket(int socket_type)
             descriptors = create_pipe();
             child       = fork_process();
 
-            server_read_pipe(descriptors, child, buffer_size, buffer);
-
             break;
 
         default:
@@ -128,12 +125,16 @@ int main(int argc, char** argv)
 
     buffer = get_init_buffer(buffer_size);
 
+    float sum_elapsed_time_ms = 0.0;
+
     for(int i = 0; i < num_of_read_bytes; i++)
     {
-        socket_listen();
+        socket_type == PIPE_CONNECTION_FLAG ? elapsed_time_ms = pingpong_pipe(descriptors, child, buffer_size, buffer) : socket_listen();
 
-        printf("%lf\n", (float)(elapsed_time_ms));
+        sum_elapsed_time_ms += elapsed_time_ms;
     }
 
+    printf("%lf\n", (float)((sum_elapsed_time_ms)/(num_of_read_bytes)));
+
     return SYSTEM_EXIT_SUCCESS;
 }

src/main_server.c

@@ -12,7 +12,9 @@ pid_t child;
 int server_socket, client_socket;
 
 
-socket_address client_address, server_address;
+socket_address client_address;
+
+void* server_address;
 
 int *buffer;
 size_t buffer_size;
@@ -69,19 +71,22 @@ void attribuite_socket_type(int socket_type)
     {
         case TCP_SOCKET_FLAG: // TCP SOCKET
 
-            server_socket = create_socket(AF_INET, SOCK_STREAM);
+            server_socket  = create_socket(AF_INET, SOCK_STREAM);
-            config_tcp_upd_server_address();
+            socket_address_ipv4 udp_ip_address = config_tcp_upd_server_address();
+            server_address = (void *)&udp_ip_address;
             break;
     
         case UDP_SOCKET_FLAG: // UDP SOCKET
         
-            server_socket = create_socket(AF_INET, SOCK_DGRAM);
+            server_socket  = create_socket(AF_INET, SOCK_DGRAM);
-            config_tcp_upd_server_address();
+            socket_address_ipv4 tcp_ip_address = config_tcp_upd_server_address();
+            server_address = (void *)&tcp_ip_address;
             break;
     
         case UNIX_SOCKET_FLAG: // UNIXDOMAIN SOCKET
-            server_socket = create_socket(AF_UNIX, SOCK_DGRAM);
+            server_socket  = create_socket(AF_UNIX, SOCK_DGRAM);
-            config_unixdomain_server_address();
+            socket_address_unix unix_address = config_unixdomain_server_address();
+            server_address = (void *)&unix_address;
             break;
 
         case PIPE_CONNECTION_FLAG: // PIPE CONNECTION FLAG
@@ -114,17 +119,20 @@ void get_args(int argc, char** argv)
 int main(int argc, char** argv)
 {
 
+    printf("OI0");
     get_args(argc, argv);
+    printf("OI1");
     attribuite_socket_type(socket_type);
 
     buffer = (int*)malloc(buffer_size*sizeof(int));    
-
+    printf("OI2");
-    bind_server((void*)&server_address, socket_type, server_socket);
+    //bind_server(server_address, socket_type, server_socket);
-    
+    printf("OI3");
     for(int i = 0; i < num_of_read_bytes; i++)
     {
         server_listen();
     }
 
+    printf("OI4");
     return SYSTEM_EXIT_SUCCESS;
 }

src/pipe.c

@@ -7,14 +7,14 @@
 
 int *create_pipe()
 {
-    int pipe_descriptors[NUM_OF_PIPE_DESCRIPTORS];
+    int *pipe_descriptors = (int*)malloc(NUM_OF_PIPE_DESCRIPTORS*sizeof(int));
 
     if(pipe(pipe_descriptors) == PIPE_ERROR_CODE)
     {
         panic("Pipe creation failed");
     }
 
-    return &pipe_descriptors[0];
+    return pipe_descriptors;
 }
 
 pid_t fork_process()
@@ -29,50 +29,43 @@ pid_t fork_process()
     return child_pid;
 }
 
-void client_write_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer)
+float pingpong_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer)
-{
-    close(descriptors[0]);
-    write(descriptors[1], buffer, sizeof(descriptors));
-    close(descriptors[1]);
-}
-
-void client_read_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer)
-{
-    if (child == CHILD_PROCESS) {
-        close(descriptors[1]);
-        
-        read(descriptors[0], buffer, sizeof(buffer));
-        close(descriptors[0]);
-    }else
-    {
-        server_write_pipe(descriptors, child, buffer_size, buffer);
-    }
-}
-
-
-void server_read_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer)
 {
 
-    int* received_buffer = (int*)malloc(buffer_size*sizeof(int));
+    int *pipe_client_to_server = create_pipe();
+    int *pipe_server_to_client = create_pipe();
 
     if (child == CHILD_PROCESS)
     {
-        close(descriptors[1]);
+        close(pipe_client_to_server[1]);
+        close(pipe_server_to_client[0]);
 
-        read(descriptors[0], received_buffer, sizeof(buffer));
+        ssize_t bytes_read;
+        clock_t start_time = clock();
+        bytes_read = read(pipe_client_to_server[0], buffer, sizeof(buffer));
        
-        close(descriptors[0]);
+        write(pipe_server_to_client[1], buffer, bytes_read);
-        exit(EXIT_SUCCESS);
+        clock_t end_time = clock();
+
+        close(pipe_client_to_server[0]);
+        close(pipe_server_to_client[1]);
+
+        return ((float)(end_time - start_time) / (CLOCKS_PER_SEC/1000));
     }else
     {
-        client_write_pipe(descriptors, child, buffer_size, buffer);
+        close(pipe_client_to_server[0]);
+        close(pipe_server_to_client[1]);
+
+        clock_t start_time = clock();
+        write(pipe_client_to_server[1], buffer, sizeof(buffer));
+        
+        ssize_t bytes_read = read(pipe_server_to_client[0], buffer, sizeof(buffer));
+        clock_t end_time = clock();
+
+
+        close(pipe_client_to_server[1]);
+        close(pipe_server_to_client[0]);
+
+        return ((float)(end_time - start_time) / (CLOCKS_PER_SEC/1000));
     }
 }
-
-
-void server_write_pipe(int* descriptors, pid_t child, int buffer_size, int *buffer)
-{
-    close(descriptors[0]);
-    write(descriptors[1], buffer, sizeof(buffer));
-    close(descriptors[1]);
-}

src/socket.c

@@ -14,7 +14,7 @@ int create_socket(int sin_family, int sock)
 {
     int server_socket;
 
-    server_socket = socket(sin_family, sock, -1);
+    server_socket = socket(sin_family, sock, 0);
 
     if(server_socket == SOCKET_ERROR_CODE)
     {
@@ -45,11 +45,13 @@ socket_address_ipv4 config_tcp_upd_server_address()
 
 void connect_to_server(void *server_address, int client_socket)
 {
-    struct sockaddr* address = (struct sockaddr*)&server_address;
+    socket_address_ipv4 server = config_tcp_upd_server_address();
+
+    struct sockaddr* address = (struct sockaddr*)&server;
 
     int connection_response = connect(client_socket,
                                         address,
-                                        (socklen_t)sizeof(server_address)
+                                        (socklen_t)sizeof(server)
                                     );
 
     if(connection_response == SOCKET_ERROR_CODE)
@@ -64,9 +66,10 @@ void connect_to_server(void *server_address, int client_socket)
 void bind_server(void *server_address, int socket_type, int server_socket)
 {
 
-    struct sockaddr* address = (struct sockaddr*)&server_address;
+    socket_address_ipv4 server = config_tcp_upd_server_address();
+    struct sockaddr* address = (struct sockaddr*)&server;
 
-    int server_bind_response = bind(server_socket, address, sizeof(server_address));
+    int server_bind_response = bind(server_socket, address, sizeof(server));
 
     if (socket_type == UNIX_SOCKET_FLAG) unlink((const char*)address);