#include #include #include #include #include #include #include "message.h" #include "user.h" #include "easysock.h" #include "file_helpers.h" #include "message_helpers.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] = {-1}; char* dest_address[MAX_CONNECTIONS] = {NULL}; FD_ZERO(&read_fd_set); char buffer[BUFFER_SIZE]; User* users = create_user_list("user_file.txt"); 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 < MAX_CONNECTIONS; 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 < MAX_CONNECTIONS; i++) { if (conn_sockets[i] <= 0) { conn_sockets[i] = client_sock; break; } } } for (int i=1; i < MAX_CONNECTIONS; 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] = 0; dest_address[i] = NULL; } else { if (dest_address[i] == NULL) { dest_address[i] = fetch_address(buffer); } // for (int i=0;i on every line */ int num_users = num_of_lines(filename); char* file_str = file_to_string(filename); char* token = malloc(sizeof(char) * 30); User* users = calloc(num_users, sizeof(User)); token = strtok(file_str," \r\n"); for (int i=0;i