forked from sipa/bitcoin-seeder
/
main.cpp
93 lines (81 loc) · 1.75 KB
/
main.cpp
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#include <pthread.h>
#include "bitcoin.h"
#include "db.h"
#define NTHREADS 100
using namespace std;
extern "C" {
// #include "dns.h"
}
CAddrDb db;
extern "C" void* ThreadCrawler(void* data) {
do {
db.Stats();
CIPPort ip;
int wait = 5;
if (!db.Get(ip, wait)) {
wait *= 1000;
wait += rand() % (500 * NTHREADS);
Sleep(wait);
continue;
}
int ban = 0;
vector<CAddress> addr;
bool ret = TestNode(ip,ban,addr);
db.Add(addr);
if (ret) {
db.Good(ip);
} else {
db.Bad(ip, ban);
}
} while(1);
}
extern "C" int GetIPList(struct in_addr *addr, int max, int ipv4only) {
set<CIP> ips;
db.GetIPs(ips, max, ipv4only);
int n = 0;
for (set<CIP>::iterator it = ips.begin(); it != ips.end(); it++) {
if ((*it).GetInAddr(&addr[n]))
n++;
}
return n;
}
extern "C" int dnsserver(void);
extern "C" void* ThreadDNS(void*) {
dnsserver();
}
extern "C" void* ThreadDumper(void*) {
do {
Sleep(100000);
{
FILE *f = fopen("dnsseed.dat","w+");
if (f) {
CAutoFile cf(f);
cf << db;
}
}
} while(1);
}
#define NTHREADS 100
int main(void) {
FILE *f = fopen("dnsseed.dat","r");
if (f) {
CAutoFile cf(f);
cf >> db;
}
vector<CIP> ips;
LookupHost("dnsseed.bluematt.me", ips);
for (vector<CIP>::iterator it = ips.begin(); it != ips.end(); it++) {
db.Add(CIPPort(*it, 8333));
}
pthread_t thread[NTHREADS+2];
for (int i=0; i<NTHREADS; i++) {
pthread_create(&thread[i], NULL, ThreadCrawler, NULL);
}
pthread_create(&thread[NTHREADS], NULL, ThreadDumper, NULL);
pthread_create(&thread[NTHREADS+1], NULL, ThreadDNS, NULL);
for (int i=0; i<NTHREADS+2; i++) {
void* res;
pthread_join(thread[i], &res);
}
return 0;
}