SChat/clientreader.cpp

#include "clientreader.h"

ClientReader::ClientReader() {
	buf = new char[65536];
	host_ip = new char[48];
	strcpy(host_ip, "127.0.0.1");
}

ClientReader::~ClientReader() {
	delete[] buf;
	delete[] host_ip;
}

int ClientReader::exec() {
	if (!createSocket()) {
		return -1;
	}

	sendMessage("reader");
	std::cout << std::endl;
	
	std::string message;
	while ((message = receiveMessage()) != "") {
		std::cout << message << std::endl;
	}
	return 0;
}

bool ClientReader::createSocket() {
	sockd = socket(AF_INET, SOCK_STREAM, 0);
	if (sockd == -1) {
		std::cout << "Client: Error: cannot create socket!" << std::endl;
		return false;
	}

    struct sockaddr_in addr;
    memset(&addr, 0, sizeof(addr));
    addr.sin_family = AF_INET;
    addr.sin_port = htons(port);

    // Convert IPv4 and IPv6 addresses from text to binary form 
    if(inet_pton(AF_INET, host_ip, &addr.sin_addr)<=0)  
    { 
        printf("\nInvalid address/Address not supported \n"); 
        return -1; 
    }

	if (connect(sockd, (struct sockaddr *)&addr, sizeof(addr)) < 0) 
    { 
        printf("Client: Error: Connection Failed\n"); 
        return false; 
    } 
	return true;
}

void ClientReader::sendMessage(std::string message) {
	send(sockd, message.c_str(), message.length(), 0);
}

std::string ClientReader::receiveMessage() {
	memset(buf, 0, 65536);
	recv(sockd, buf, 65536, 0);
	return std::string(buf);
}