#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/in.h>

#define BUFFER_SIZE 256
#define MESSAGE_SIZE 141

/** gcc -m32 -o server server.c -fno-stack-protector**/

typedef struct sockaddr SOCKADDR;
typedef struct sockaddr_in SOCKADDR_IN;

void run(int);

int main(int argc, char **argv){
	SOCKADDR_IN server, client;
	int socket_res, size_sockaddrin, accept_res, recv_res;

	socket_res = socket(AF_INET, SOCK_STREAM, 0);
	if(socket_res < 0){
		printf("Error: unable to create the socket\n");
	}

	server.sin_family = AF_INET;
	server.sin_addr.s_addr = INADDR_ANY;
	server.sin_port = htons(42742);

	if(bind(socket_res, (SOCKADDR *)&server, sizeof server) < 0){
		printf("Error: unable to bind\n");
	}

	listen(socket_res, 5);
	printf(" ====================== Listening ...  ======================\n");
	size_sockaddrin = sizeof(SOCKADDR_IN);
	accept_res = accept(socket_res,  (SOCKADDR *)&client, (socklen_t *)&size_sockaddrin);
	if(accept_res < 0){
		printf("Error: unable to accept incoming connection\n");
	}

	printf(" ====================== Connected ... ======================\n");
	run(accept_res);
	return 0;
}

void run(int accept_res){
	char tweet[MESSAGE_SIZE];
	char buffer[BUFFER_SIZE];
	int data = recv(accept_res, buffer, BUFFER_SIZE, 0);
	if(data > 0){
		buffer[data-1] = '\0';
		strcpy(tweet, buffer);
		printf("Your tweet: %s\n", tweet);
	}
	else if(data == -1){
		printf("Error: unable to receive\n");
	}
	close(accept_res);
}

void printOK(){
        printf("OK\n");
}