accepts a single tcp connection

proto.md

@@ -9,7 +9,7 @@ lulchat relies on HTTP, webRTC and websocket technologies. We use this in order
 When we refer to data types, always assume that they are being sent over the wire in network-byte order (big endian).
 
 # Usernames
-Usernames must only contain alphanumeric characters, numbers, and underscores. Must contain between 3 and 21 characters. The following RegexP validates all usernames:
+Usernames must only contain alphanumeric characters, numbers, and underscores. Must contain between 1 and 21 characters. The following RegexP validates all usernames:
 ```sh
 ^[A-Za-z0-9_]{1,21}$
 ```

src/chat.c

@@ -0,0 +1,107 @@
+#include <stdio.h>
+#include <unistd.h> // sleep
+#include <pthread.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <string.h>
+
+#define PORT 8080
+
+void *loop(){
+	
+	while(1) {
+		sleep(1);
+		printf("testing\n");
+	}
+}
+
+int main(int argc, char *argv[]){
+	
+	int server_handle;
+	if((server_handle = socket(AF_INET, SOCK_STREAM, 0)) < 0){
+		
+		perror("Failed to create socket");
+		exit(1);
+	}
+	
+	int opt = 1;
+	if(
+		setsockopt(
+			server_handle,
+			SOL_SOCKET,
+			SO_REUSEADDR | SO_REUSEPORT,
+			&opt,
+			sizeof(opt)
+		)
+	){
+		
+		perror("Could not set socket options");
+		exit(1);
+	}
+	
+	struct sockaddr_in address;
+	address.sin_family = AF_UNSPEC;
+	address.sin_addr.s_addr = INADDR_ANY;
+	address.sin_port = htons(PORT);
+	if(
+		(	
+			bind(
+				server_handle,
+				(struct sockaddr*)&address,
+				sizeof(address)
+			)
+		) < 0
+	){
+		
+		perror("Failed to bind to socket");
+		exit(1);
+	}
+	
+	if(
+		listen(
+			server_handle,
+			3
+		) < 0
+	){
+		
+		perror("Failed to listen to socket");
+		exit(1);
+	}
+	
+	printf("[INFO] Listening for connections\n");
+	
+	int client_handle;
+	socklen_t addrlen = sizeof(address);
+	//while(1){
+		
+		if(
+			(
+				client_handle = accept(
+					server_handle,
+					(struct sockaddr*)&address,
+					&addrlen
+				)
+			) < 0
+		){
+			
+			perror("Failed to accept client connection");
+			exit(1);
+		}
+	//}
+	
+	ssize_t buffer_read;
+	
+	while(1){
+		char buffer[1024] = {0};
+		buffer_read = read(client_handle, buffer, 1023);
+		
+		printf("Message (%zd): %s", buffer_read, buffer);
+		send(client_handle, buffer, strlen(buffer), 0);
+	}
+	
+	return 0;
+	/*
+	pthread_t thread_id;
+	pthread_create(&thread_id, NULL, loop, NULL);*/
+	//pthread_join(thread_id, NULL);
+}

src/configutils.c

@@ -0,0 +1,6 @@
+#include <stdlib.h>
+
+int main(){
+	
+	printf("boobs");
+}