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Client.cpp
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Client.cpp
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#include "Client.h"
#include "Server.h"
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
int client(int argc, char *argv[]) {
if (argc < 3) {
std::cout << ("You need to initialize the client with the \"address\" and \"port\" arguments.") << std::endl;
return (EXIT_FAILURE);
}
// getting server address and port
struct hostent *server = gethostbyname(argv[1]);
if (server == NULL) {
std::cout << ("Server does not exist.") << std::endl;
return (EXIT_FAILURE);
}
int port = atoi(argv[2]);
if (port <= 0) {
std::cout << "Port has to be a whole number larger than 0." << std::endl;
return (EXIT_FAILURE);
}
// creating socket
int sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0) {
std::cout << "Error - socket." << std::endl;
return (EXIT_FAILURE);
}
// definition of the server address
struct sockaddr_in serverAddress;
bzero((char *)&serverAddress, sizeof(serverAddress));
serverAddress.sin_family = AF_INET;
bcopy((char *)server->h_addr, (char *)&serverAddress.sin_addr.s_addr, server->h_length);
serverAddress.sin_port = htons(port);
if (connect(sock,(struct sockaddr *)&serverAddress, sizeof(serverAddress)) < 0) {
std::cout << "Error - connect." << std::endl;
return (EXIT_FAILURE);
}
// initialization of data to be sent between threads
Data data;
data.socket = sock;
data.game_over = false;
outputStart(2);
// creating thread for writing data to socket
std::thread clientThread = std::thread(clientInputHandler, std::ref(data));
// reading data from socket
display(data);
// waiting for the writing thread to end
clientThread.join();
outputEnd();
// closing the socket
close(sock);
return (EXIT_SUCCESS);
}
void clientInputHandler(Data &data) {
char buffer[BUFFER_LENGTH + 1];
buffer[BUFFER_LENGTH] = '\0';
while(!data.game_over) {
bzero(buffer, BUFFER_LENGTH);
fgets(buffer, BUFFER_LENGTH + 1, stdin);
data.mutex.lock();
write(data.socket, buffer, strlen(buffer) + 1);
data.mutex.unlock();
}
}
void display(Data &data) {
std::string s;
char buffer[BUFFER_LENGTH + 1];
buffer[BUFFER_LENGTH] = '\0';
while(!data.game_over) {
bzero(buffer, BUFFER_LENGTH);
read(data.socket, buffer, BUFFER_LENGTH);
s = buffer;
for (int y = 0; y < GAME_HEIGHT; y++) {
std::cout << BLUE_LINE;
for (int x = 0; x < GAME_WIDTH; x++) {
char out = s[y * GAME_WIDTH + x];
switch (out) {
case ' ':
std::cout << " ";
break;
case 'o':
std::cout << GREEN_o;
break;
case 's':
std::cout << YELLOW_o;
break;
case 'x':
std::cout << RED_x;
break;
case 'O':
std::cout << GREEN_O;
break;
case 'S':
std::cout << YELLOW_O;
break;
}
}
std::cout << BLUE_LINE;
std::cout << std::endl;
}
std::cout << "\n\n\n";
usleep(1000);
bzero(buffer, BUFFER_LENGTH);
read(data.socket, buffer, BUFFER_LENGTH);
s = buffer;
if(!s.empty()) {
std::cout << s << std::endl;
std::cout << "Press x to end the game :)" << std::endl;
data.game_over = true;
}
}
}