// 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]);
	if(!entry){
		if(h_errno == HOST_NOT_FOUND){
			printf("This is our own message that says the host wasn't found\n");
		}
		herror("gethostbyname");
		return 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);

	if( connect(skt, (struct sockaddr*)&sad, sizeof(struct sockaddr_in)) ){
		perror("connect");
		return 1;
	}
	float results[2];
	ssize_t actual_length = 0;
	/* We could do it this way:
	while(1){
		actual_length += read(skt, ((void*)&results) + actual_length, sizeof(results)); // 8 bytes
		printf("Received %ld bytes\n", actual_length);
		if(actual_length == sizeof(results))
			break;
	}
	*/
	actual_length = recv(skt, &results, 8, MSG_WAITALL);
	printf("Received number:  %f and %f\n", results[0], results[1]);

	close(skt);
	return 0;
}