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checker.cpp
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checker.cpp
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#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include "json.hpp"
#include <iostream>
using json = nlohmann::json;
int main(){
int socket_desc, client_sock, c, read_size;
struct sockaddr_in server, client;
char client_message[8000];
socket_desc = socket(AF_INET, SOCK_STREAM, 0);
if (socket_desc == -1) std::cout << "No Socket created - ERR";
std::cout << "Socket created - OK\n";
server.sin_family = AF_INET;
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons(1234);
if (bind(socket_desc, (struct sockaddr *)&server, sizeof(server)) < 0){
std::cout << "Error\n";
return 1;
}
std::cout << "Binding - OK\n";
listen(socket_desc, 1);
std::cout << "Waiting for clients\n";
c = sizeof(struct sockaddr_in);
client_sock = accept(socket_desc, (struct sockaddr *)&client, (socklen_t*)&c);
if (client_sock < 0){
std::cout << "Can't accept client\n";
return 1;
}
std::cout << "Connection ok\n";
while ((read_size = recv(client_sock, client_message, 2000, 0)) > 0) {
std::cout << "Chunk";
//write(client_sock, client_message, strlen(client_message)); // echo back message
//write(client_sock, ans, 6)
}
json tests = json::parse(client_message);
std::cout << tests << "\n";
std::string answer = "ANSWER";
write(client_sock, answer.data(), answer.size());
return 1;
if (read_size == 0) {
std::cout << "Client disconnected\n";
}
return 0;
}