// Run like this:  simple_client address port
// Results in argv ["./simple_client", "address", "port"]

#include<sys/socket.h>
#include<sys/types.h>
#include<netinet/ip.h>
#include<netdb.h>
#include<arpa/inet.h>
#include<stdio.h>
#include<unistd.h>
#include<stdlib.h>

int main(int args, char ** argv){
	struct sockaddr_in sad;
	sad.sin_port = htons(atoi(argv[2]));
	sad.sin_family = AF_INET;

	int skt = socket(AF_INET, SOCK_STREAM, 0);

	struct hostent* entry = gethostbyname(argv[1]);
	struct in_addr **addr_list = (struct in_addr**)entry->h_addr_list;
	struct in_addr* c_addr = addr_list[0];
	char* ip_string = inet_ntoa(*c_addr);
	sad.sin_addr = *c_addr;
	printf("Connecting to:  %s\n", ip_string);

	connect(skt, (struct sockaddr*)&sad, sizeof(struct sockaddr_in));

	char type = 78;
	write(skt, &type, 1);
	int32_t weight = 1000;
	write(skt, &weight, 4);
	read(skt, &type, 1);

	// optional
	if(type == 'A')
		printf("Squirrel was accepted\n");

	type = 81;
	write(skt, &type, 1);
	read(skt, &type, 1);
	int32_t response[2];
	read(skt, &response, 8);
	printf("Squirrels:  %d\nAverage Weight:  %d\n", response[0], response[1]);

	close(skt);
	return 0;
}