Start converting server to threading

src/server.c

@@ -63,6 +63,7 @@ int main(void) {
     }
 
     /* Loop to accept incoming connections */
+    // TODO: make threads instead of fork()
     while (RUN) {
         if ((child_sockid = accept(serv_sockid, (struct sockaddr *) &child_socket, (socklen_t *) &addr_len)) < 0) {
             perror("accept");
@@ -87,6 +88,26 @@ int main(void) {
     return EXIT_SUCCESS;
 }
 
+/* Thread, listens for incoming messages */
+void ClientListener(int sockid) {
+    char buf[BUF_LEN];
+    int n = 0;
+
+    while (1) {
+        /* Read n bytes at a time, because we don't know how long the message will be */
+        while ((n = read(sockid, buf, BUF_LEN)) > 0) {
+            // TODO: do somethig with the stream (push to global stack?)
+        }
+        if (n < 0) {
+            fprintf(stderr, "ERROR: read\n");
+            break;
+        }
+    }
+}
+
+/* Thread, sends messages to the client */
+void ClientSender(int sockid) {}
+
 /* Handles a client after its connection */
 void service(int sockid) {
     int i, n, t;

src/server.h

@@ -3,6 +3,12 @@
 
 #define LISTEN_ALL // define to listen on 0.0.0.0, else loopback
 
+/* Thread, listens for incoming messages */
+void ClientListener(int);
+
+/* Thread, sends messages to the client */
+void ClientSender(int);
+
 /* Handles a client after its connection */
 void service(int);