Cod sursa ./master_server

Counter Strike 1.6 Master Server facut in 28 ianuarie 2013
#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <string.h>
#include <vector>
#include <time.h>
#include <stdio.h>
#include <pthread.h>
#define SMALL_STACK 16384 //16K for threads stack-minimum

char ip[50];
int port;

using namespace std;

std::vector<string> europe_servers;
int sock;
struct sockaddr_in from;

void* getServers(void *arg)
{
	while(1)
	{
		europe_servers.clear();

		ifstream in("all_servers.ini");
		if(in)
		{
			string server="";
			int num=0;
			while(getline(in,server))
			{
				num++;
				europe_servers.push_back(server);
			}
			in.close();
			ofstream out("log.txt",ios::app);
			out<<"Am citit "<<num<<" servere"<<endl;
			out.close();
		}
		else
		{
			ofstream out("log.txt",ios::app);
			out<<"Nu am putut deschide fisierul all_servers.ini"<<endl;
			out.close();
		}
		sleep(60*3);
	}
	return NULL;
}

void StringExplode(string str, string separator, vector<string>* results)
{
	int found;
	found = str.find_first_of(separator);
	while(found != string::npos)
	{
		if(found > 0)
		{
			results->push_back(str.substr(0,found));
		}
		str = str.substr(found+1);
		found = str.find_first_of(separator);
	}
	if(str.length() > 0)
	{
		results->push_back(str);
	}
}

void sendResponseAll2(sockaddr_in client)
{
	char query[6];

	bzero(&query,strlen(query));
	query[0]=0xff;
	query[1]=0xff;
	query[2]=0xff;
	query[3]=0xff;
	query[4]=0x66;
	query[5]=0x0A;

	char query2[6144]; //6K Stack
	bzero(&query2,strlen(query2));
	int len=0;
	memcpy(query2+len,query,sizeof(query));
	len+=sizeof(query);

	string server = "";
	for(int i=europe_servers.size()/2;i<europe_servers.size();i++)
	{    
		server=europe_servers[i];
		//Calculez IPul si Portul fiecarui server...
		vector<string> parts;
		StringExplode(server,":",&parts);
		char *ip_s = (char *)&parts[0][0];
		char *port_s = (char *)&parts[1][0];

		//Calculez bitii...
		unsigned short port = ntohs((unsigned short)atoi(port_s));
		unsigned long ip = inet_addr(ip_s);
		memcpy(query2+len,&ip,sizeof(ip));
		len+=sizeof(ip);
		memcpy(query2+len,&port,sizeof(port));
		len+=sizeof(port);
	}

	char q3[] = {0x00,0x00,0x00,0x00,0x00,0x00};
	memcpy(query2+len,q3,sizeof(q3));
	len+=sizeof(q3);  

	sendto(sock,query2,len,0,(struct sockaddr *)&client,(unsigned int)sizeof(sockaddr));
}

void sendResponseAll1(sockaddr_in client)
{
	char query[6];

	bzero(&query,strlen(query));
	query[0]=0xff;
	query[1]=0xff;
	query[2]=0xff;
	query[3]=0xff;
	query[4]=0x66;
	query[5]=0x0A;

	char query2[6144]; //6K Stack
	bzero(&query2,strlen(query2)); 
	int len=0;
	memcpy(query2+len,query,sizeof(query)); // copiaza toti bytes query in query 2
	len+=sizeof(query); // len devine , cat query

	string server = "";
	for(int i=0;i<europe_servers.size()/2;i++)
	{    
		server=europe_servers[i];
		//Calculez IPul si Portul fiecarui server...
		vector<string> parts;
		StringExplode(server,":",&parts);
		char *ip_s = (char *)&parts[0][0];
		char *port_s = (char *)&parts[1][0];

		//Calculez bitii...
		unsigned short port = ntohs((unsigned short)atoi(port_s));
		unsigned long ip = inet_addr(ip_s);
		memcpy(query2+len,&ip,sizeof(ip));
		len+=sizeof(ip);
		memcpy(query2+len,&port,sizeof(port));
		len+=sizeof(port);
	}

	sendto(sock,query2,len,0,(struct sockaddr *)&client,(unsigned int)sizeof(sockaddr));
}

int main(int argc, char *argv[])
{
	//Argumente: port "ip_listening"
	port=atoi(argv[1]);
	strcpy(ip,argv[2]);
	ofstream log("log.txt",ios::app);

	pthread_t sql;
	pthread_attr_t thread_attr;
	pthread_attr_init(&thread_attr);
	pthread_attr_setstacksize(&thread_attr, SMALL_STACK);

	pthread_create(&sql,&thread_attr,getServers,NULL);

	sock = socket(AF_INET, SOCK_DGRAM, 0);

	if(sock<0)
	{
		cout<<"Nu am putut deschide socketul pe portul: "<<port<<'\n';
		time_t t = time(0);
		tm* lt = localtime(&t);
		log<<lt->tm_mday<<"-"<<lt->tm_mon+1<<"-"<<lt->tm_year+1900<<" "<<lt->tm_hour<<":"<<lt->tm_min<<":"<<lt->tm_sec<<"   Nu am putut deschide socketul pe portul "<<port<<endl;
	}
	else
	{
		cout<<"Socket deschis pe portul: "<<port<<'\n';
		time_t t = time(0);
		tm* lt = localtime(&t);
		log<<lt->tm_mday<<"-"<<lt->tm_mon+1<<"-"<<lt->tm_year+1900<<" "<<lt->tm_hour<<":"<<lt->tm_min<<":"<<lt->tm_sec<<"   Socket deschis pe portul "<<port<<endl;
	}

	struct sockaddr_in binder;
	bzero(&binder,sizeof(binder));
	binder.sin_family=AF_INET;
	binder.sin_addr.s_addr=inet_addr(ip);
	binder.sin_port = htons(port);

	if(bind(sock,(sockaddr *)&binder,sizeof(binder))>=0)
	{
		cout<<"Socket bindat pe portul: "<<port<<'\n';
		time_t t = time(0);
		tm* lt = localtime(&t);
		log<<lt->tm_mday<<"-"<<lt->tm_mon+1<<"-"<<lt->tm_year+1900<<" "<<lt->tm_hour<<":"<<lt->tm_min<<":"<<lt->tm_sec<<"   Socket bindat pe portul: "<<port<<endl;
	}
	else
	{
		cout<<"Nu am putut binda socketul pe portul: "<<port<<'\n';
		time_t t = time(0);
		tm* lt = localtime(&t);
		log<<lt->tm_mday<<"-"<<lt->tm_mon+1<<"-"<<lt->tm_year+1900<<" "<<lt->tm_hour<<":"<<lt->tm_min<<":"<<lt->tm_sec<<"   Nu am putut binda socketul pe portul: "<<port<<endl;
	}

	cout<<"Incep ascultarea!"<<endl;

	char buf[2048];
	unsigned int fromlen = sizeof(struct sockaddr_in);
	while (1)
	{
		int n = recvfrom(sock,buf,2048,0,(struct sockaddr *)&from,&fromlen);
		if(n>0)
		{
			char ipc[40];
			sprintf(ipc,"%s",inet_ntoa(from.sin_addr));
			time_t t = time(0);
			tm* lt = localtime(&t);
			log<<"IPul "<<ipc<<" a trimis requst la "<<lt->tm_mday<<"-"<<lt->tm_mon+1<<"-"<<lt->tm_year+1900<<" "<<lt->tm_hour<<":"<<lt->tm_min<<":"<<lt->tm_sec<<endl;
			if(buf[0]==0x31)
			{
				sendResponseAll1(from);
				sendResponseAll2(from);
			}
		}
		sleep(0.5);
	}
	return 0;
}

/*
g++ -Wall -pthread main2.cpp -o ptr `mysql_config --cflags --libs`
*/