added test client

CMakeLists.txt

@@ -3,4 +3,5 @@ project(qotd C)
 
 set(CMAKE_C_STANDARD 99)
 
-add_executable(qotd main.c quote.c quote.h server.c server.h)
+add_executable(server server/main.c server/quote.c server/quote.h server/server.c server/server.h)
+add_executable(client client/main.c)

client/main.c

@@ -0,0 +1,49 @@
+//
+// Created by k0rb4k on 22/04/2021.
+//
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+    struct sockaddr_in server;
+    int sock;
+
+    server.sin_family = AF_INET;
+    server.sin_addr.s_addr = inet_addr("127.0.0.1");
+    server.sin_port = htons(17);
+
+    sock = socket(server.sin_family, SOCK_STREAM, IPPROTO_IP);
+    if (sock == -1) {
+        puts("socket not created");
+        return 1;
+    }
+
+    if (connect(sock, (const struct sockaddr *) &server, sizeof(server)) < 0) {
+        puts("connection failed");
+        return 2;
+    }
+
+    char *payload = "I dream of sushi";
+    if (send(sock, payload, strlen(payload), 0) < 0) {
+        puts("error while sending payload");
+        return 3;
+    }
+
+    char response[2048];
+    if (recv(sock, response, 2048, 0)) {
+        puts("receive failed");
+        return 4;
+    }
+    puts("server response :");
+    puts(response);
+
+    close(sock);
+
+    return 0;
+}

main.c

@@ -1,10 +0,0 @@
-#include "quote.h"
-#include "server.h"
-
-int main(int argc, char *argv[]) {
-    char quote[1024];
-    getRandomQuote(quote);
-    printf("%s\n", quote);
-
-    return 0;
-}

server.c

@@ -1,23 +0,0 @@
-//
-// Created by k0rb4k on 30/03/2021.
-//
-
-#include "server.h"
-
-void tcpListen() {
-    int serverFd;
-    struct sockaddr_in address;
-
-    address.sin_family = AF_INET;
-    address.sin_addr.s_addr = INADDR_ANY;
-    address.sin_port = htons(17);
-
-    serverFd = socket(AF_INET, SOCK_STREAM, 0);
-
-    bind(serverFd, (const struct sockaddr *) &address, sizeof address);
-    // TODO: listen and respond
-}
-
-void udpListen() {
-
-}

server/main.c

@@ -0,0 +1,11 @@
+#include "quote.h"
+#include "server.h"
+
+int main(int argc, char *argv[]) {
+//    char quote[1024];
+//    getRandomQuote(quote);
+//    printf("%s\n", quote);
+    tcpServer();
+
+    return 0;
+}

server/server.c

@@ -0,0 +1,44 @@
+//
+// Created by k0rb4k on 30/03/2021.
+//
+
+#include "server.h"
+
+void tcpServer() {
+    int serverSocket, clientSocket;
+    unsigned long addressLength;
+    struct sockaddr_in serverAddress, clientAddress;
+
+    serverAddress.sin_family = AF_INET;
+    serverAddress.sin_addr.s_addr = INADDR_ANY;
+    serverAddress.sin_port = htons(17);
+
+    serverSocket = socket(serverAddress.sin_family, SOCK_STREAM, IPPROTO_IP);
+    if (serverSocket == -1) {
+        puts("socket not created");
+        exit(1);
+    }
+    puts("socket created");
+
+    if (bind(serverSocket, (const struct sockaddr *) &serverAddress, sizeof serverAddress) < 0) {
+        puts("bind failed");
+        exit(2);
+    }
+
+    listen(serverSocket, 5);
+
+    addressLength = sizeof(struct sockaddr_in);
+    clientSocket = accept(serverSocket, (struct sockaddr *) &clientAddress, (socklen_t *) addressLength);
+    if (clientSocket < 0) {
+        puts("client connection failed");
+        exit(3);
+    }
+    puts("client connected");
+
+    write(clientSocket, "test", strlen("test"));
+    // TODO: listen and respond
+}
+
+void udpServer() {
+
+}

server/server.h

@@ -7,9 +7,13 @@
 
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
 
-void tcpListen();
+void tcpServer();
 
-void udpListen();
+void udpServer();
 
 #endif //QOTD_SERVER_H