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BitcoinPrivate-seeder
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Add whitelist for service filter, use a map for cacheTime

This commit is contained in:
Jonas Schnelli 2016-06-02 22:10:44 +02:00
parent 5c8b9e392b
commit c9679dc98e
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GPG Key ID: 29D4BCB6416F53EC
1 changed files with 22 additions and 5 deletions
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27
main.cpp
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@ -15,6 +15,17 @@ using namespace std;
bool fTestNet = false;
uint64_t filter_whitelist[] = {
0x0000000000000001,
0x0000000000000003,
0x0000000000000005,
0x0000000000000007,
0x0000000000000009,
0x000000000000000B,
0x000000000000000D,
0x000000000000000F,
};
class CDnsSeedOpts {
public:
int nThreads;
@ -175,9 +186,10 @@ public:
const int id;
std::map<uint64_t, vector<addr_t> > cache;
int nIPv4, nIPv6;
time_t cacheTime;
std::map<uint64_t, time_t> cacheTime;
unsigned int cacheHits;
uint64_t dbQueries;
std::vector<uint64_t> filterWhitelist;
void cacheHit(uint64_t requestedFlags, bool force = false) {
static bool nets[NET_MAX] = {};
@ -187,7 +199,7 @@ public:
}
time_t now = time(NULL);
cacheHits++;
if (force || cacheHits > (cache[requestedFlags].size()*cache[requestedFlags].size()/400) || (cacheHits*cacheHits > cache[requestedFlags].size() / 20 && (now - cacheTime > 5))) {
if (force || cacheHits > (cache[requestedFlags].size()*cache[requestedFlags].size()/400) || (cacheHits*cacheHits > cache[requestedFlags].size() / 20 && (now - cacheTime[requestedFlags] > 5))) {
set<CNetAddr> ips;
db.GetIPs(ips, requestedFlags, 1000, nets);
dbQueries++;
@ -213,7 +225,7 @@ public:
}
}
cacheHits = 0;
cacheTime = now;
cacheTime[requestedFlags] = now;
}
}
@ -227,11 +239,12 @@ public:
dns_opt.port = opts->nPort;
dns_opt.nRequests = 0;
cache.clear();
cacheTime = 0;
cacheTime.clear();
cacheHits = 0;
dbQueries = 0;
nIPv4 = 0;
nIPv6 = 0;
filterWhitelist = std::vector<uint64_t>(filter_whitelist, filter_whitelist + (sizeof filter_whitelist / sizeof filter_whitelist[0]));
}
void run() {
@ -247,9 +260,13 @@ extern "C" int GetIPList(void *data, char *requestedHostname, addr_t* addr, int
if (hostlen > 1 && requestedHostname[0] == 'x' && requestedHostname[1] != '0') {
char *pEnd;
uint64_t flags = (uint64_t)strtoull(requestedHostname+1, &pEnd, 16);
if (*pEnd == '.' && pEnd <= requestedHostname+17)
if (*pEnd == '.' && pEnd <= requestedHostname+17 && std::find(thread->filterWhitelist.begin(), thread->filterWhitelist.end(), flags) != thread->filterWhitelist.end())
requestedFlags = flags;
else
return 0;
}
else if (strcasecmp(requestedHostname, thread->dns_opt.host))
return 0;
thread->cacheHit(requestedFlags);
unsigned int size = thread->cache[requestedFlags].size();
unsigned int maxmax = (ipv4 ? thread->nIPv4 : 0) + (ipv6 ? thread->nIPv6 : 0);