Added code for client connections

main.c

@@ -1,20 +1,87 @@
 #include "message.h"
 #include "user.h"
+#include "easysock.h"
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdbool.h>
+#include <assert.h>
+#include <unistd.h>
+
+#define BUFFER_SIZE 10000
+#define MAX_CONNECTIONS 100
 
 int num_of_lines(char* filename);
 char* file_to_string(char* filename);
 User* create_user_list(char* filename);
 
 int main() {
+	struct sockaddr temp_addr;
+	socklen_t temp_addrlen;
 
+	fd_set read_fd_set;
+	int conn_sockets[MAX_CONNECTIONS] = {0};
+	FD_ZERO(&read_fd_set);
+	char buffer[BUFFER_SIZE];
 	User* users = create_user_list("user_file.txt");
 
-	Message message = new_message("Hello, this is a text message",users[0],users[1]);
+	struct sockaddr addr_struct;
+	int server_sock = create_local(4,'T',"127.0.0.1",30000,&addr_struct);
+	conn_sockets[0] = server_sock;
+
+	assert(listen(server_sock,MAX_CONNECTIONS) == 0);
+
+	while (true) {
+		FD_ZERO(&read_fd_set);
+		for (int i=0; i < sizeof(conn_sockets); i++) {
+			if (conn_sockets[i] > 0) {
+				FD_SET(conn_sockets[i],&read_fd_set);
+			}
+		}
+
+		int num_conns = select(FD_SETSIZE, &read_fd_set, NULL, NULL, NULL);
+
+		if (num_conns > 0) {
+			if (FD_ISSET(conn_sockets[0],&read_fd_set)) {
+				int client_sock = accept(conn_sockets[0],&temp_addr,&temp_addrlen);
+				for (int i=0;i < sizeof(conn_sockets); i++) {
+					if (conn_sockets[i] <= 0) {
+						conn_sockets[i] = client_sock;
+						break;
+					}
+				}
+			}
+
+			for (int i=1; i < sizeof(conn_sockets); i++) {
+				printf("Checking FD: %d\n",i);
+				if (FD_ISSET(conn_sockets[i],&read_fd_set)) {
+					int num_bytes_read = recv(conn_sockets[i],buffer,sizeof(buffer),0);
+					if (num_bytes_read <= 0) {
+						close(conn_sockets[i]);
+						conn_sockets[i] = -1;
+					} else {
+						for (int i=0;i<num_bytes_read;i++) {
+							printf("%c",buffer[i]);
+						}
+					}
+
+					
+				}
+			}
+
+
+		}
+		
+
+
+	}
+
+//	Message message = new_message("Hello, this is a text message",users[0],users[1]);
+
+
+
+//	printf("Message was: %s\nSentfrom: %s\nSent to: %s\nWith password: %s\nSent at: %s\n",message.text, message.sender.username, message.recipient.username, message.recipient.password, asctime(&message.timeinfo));
 
-	printf("Message was: %s\nSentfrom: %s\nSent to: %s\nWith password: %s\nSent at: %s\n",message.text, message.sender.username, message.recipient.username, message.recipient.password, asctime(&message.timeinfo));
 	
 }