.
This commit is contained in:
Adam Ierymenko
parent
af471af8ef
commit
02c3727ccd
7 changed files with 211 additions and 322 deletions
|
|
@ -18,168 +18,181 @@
|
|||
|
||||
#ifdef ZT_ENABLE_CLUSTER
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdint.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/wait.h>
|
||||
#include <signal.h>
|
||||
#include <errno.h>
|
||||
#include <math.h>
|
||||
|
||||
#include <iostream>
|
||||
#include <cmath>
|
||||
|
||||
#include "ClusterGeoIpService.hpp"
|
||||
|
||||
#include "../node/Utils.hpp"
|
||||
#include "../node/InetAddress.hpp"
|
||||
#include "../osdep/OSUtils.hpp"
|
||||
|
||||
// 120 days
|
||||
#define ZT_CLUSTERGEOIPSERVICE_INTERNAL_CACHE_TTL 10368000000ULL
|
||||
#define ZT_CLUSTERGEOIPSERVICE_FILE_MODIFICATION_CHECK_EVERY 10000
|
||||
|
||||
namespace ZeroTier {
|
||||
|
||||
ClusterGeoIpService::ClusterGeoIpService(const char *pathToExe) :
|
||||
_pathToExe(pathToExe),
|
||||
_sOutputFd(-1),
|
||||
_sInputFd(-1),
|
||||
_sPid(0),
|
||||
_run(true)
|
||||
ClusterGeoIpService::ClusterGeoIpService() :
|
||||
_pathToCsv(),
|
||||
_ipStartColumn(-1),
|
||||
_ipEndColumn(-1),
|
||||
_latitudeColumn(-1),
|
||||
_longitudeColumn(-1),
|
||||
_lastFileCheckTime(0),
|
||||
_csvModificationTime(0),
|
||||
_csvFileSize(0)
|
||||
{
|
||||
_thread = Thread::start(this);
|
||||
}
|
||||
|
||||
ClusterGeoIpService::~ClusterGeoIpService()
|
||||
{
|
||||
_run = false;
|
||||
long p = _sPid;
|
||||
if (p > 0) {
|
||||
::kill(p,SIGTERM);
|
||||
Thread::sleep(500);
|
||||
::kill(p,SIGKILL);
|
||||
}
|
||||
Thread::join(_thread);
|
||||
}
|
||||
|
||||
bool ClusterGeoIpService::locate(const InetAddress &ip,int &x,int &y,int &z)
|
||||
{
|
||||
InetAddress ipNoPort(ip);
|
||||
ipNoPort.setPort(0); // we index cache by IP only
|
||||
const uint64_t now = OSUtils::now();
|
||||
Mutex::Lock _l(_lock);
|
||||
|
||||
bool r = false;
|
||||
{
|
||||
Mutex::Lock _l(_cache_m);
|
||||
std::map< InetAddress,_CE >::iterator c(_cache.find(ipNoPort));
|
||||
if (c != _cache.end()) {
|
||||
x = c->second.x;
|
||||
y = c->second.y;
|
||||
z = c->second.z;
|
||||
if ((now - c->second.ts) < ZT_CLUSTERGEOIPSERVICE_INTERNAL_CACHE_TTL)
|
||||
if ((_pathToCsv.length() > 0)&&((OSUtils::now() - _lastFileCheckTime) > ZT_CLUSTERGEOIPSERVICE_FILE_MODIFICATION_CHECK_EVERY)) {
|
||||
_lastFileCheckTime = OSUtils::now();
|
||||
if ((_csvFileSize != OSUtils::getFileSize(_pathToCsv.c_str()))||(_csvModificationTime != OSUtils::getLastModified(_pathToCsv.c_str())))
|
||||
_load(_pathToCsv.c_str(),_ipStartColumn,_ipEndColumn,_latitudeColumn,_longitudeColumn);
|
||||
}
|
||||
|
||||
/* We search by looking up the upper bound of the sorted vXdb vectors
|
||||
* and then iterating down for a matching IP range. We stop when we hit
|
||||
* the beginning or an entry whose start and end are before the IP we
|
||||
* are searching. */
|
||||
|
||||
if ((ip.ss_family == AF_INET)&&(_v4db.size() > 0)) {
|
||||
_V4E key;
|
||||
key.start = Utils::ntoh((uint32_t)(reinterpret_cast<const struct sockaddr_in *>(&ip)->sin_addr.s_addr));
|
||||
std::vector<_V4E>::const_iterator i(std::upper_bound(_v4db.begin(),_v4db.end(),key));
|
||||
while (i != _v4db.begin()) {
|
||||
--i;
|
||||
if ((key->start >= i->start)&&(key->start <= i->end)) {
|
||||
x = i->x;
|
||||
y = i->y;
|
||||
z = i->z;
|
||||
return true;
|
||||
else r = true; // return true but refresh as well
|
||||
} else if ((key->start > i->start)&&(key->start > i->end))
|
||||
break;
|
||||
}
|
||||
} else if ((ip.ss_family == AF_INET6)&&(_v6db.size() > 0)) {
|
||||
_V6E key;
|
||||
memcpy(key.start,reinterpret_cast<const struct sockaddr_in6 *>(&ip)->sin6_addr.s6_addr,16);
|
||||
std::vector<_V6E>::const_iterator i(std::upper_bound(_v6db.begin(),_v6db.end(),key));
|
||||
while (i != _v6db.begin()) {
|
||||
--i;
|
||||
const int s_vs_s = memcmp(key->start,i->start,16);
|
||||
const int s_vs_e = memcmp(key->start,i->end,16);
|
||||
if ((s_vs_s >= 0)&&(s_vs_e <= 0)) {
|
||||
x = i->x;
|
||||
y = i->y;
|
||||
z = i->z;
|
||||
return true;
|
||||
} else if ((s_vs_s > 0)&&(s_vs_e > 0))
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
Mutex::Lock _l(_sOutputLock);
|
||||
if (_sOutputFd >= 0) {
|
||||
std::string ips(ipNoPort.toIpString());
|
||||
ips.push_back('\n');
|
||||
//fprintf(stderr,"ClusterGeoIpService: << %s",ips.c_str());
|
||||
::write(_sOutputFd,ips.data(),ips.length());
|
||||
}
|
||||
}
|
||||
|
||||
return r;
|
||||
return false;
|
||||
}
|
||||
|
||||
void ClusterGeoIpService::threadMain()
|
||||
throw()
|
||||
static void _parseLine(const char *line,std::vector<_V4E> &v4db,std::vector<_V6E> &v6db,int ipStartColumn,int ipEndColumn,int latitudeColumn,int longitudeColumn)
|
||||
{
|
||||
char linebuf[65536];
|
||||
char buf[65536];
|
||||
long n,lineptr;
|
||||
std::vector<std::string> ls(Utils::split(line,",\t","\\","\"'"));
|
||||
if ( ((ipStartColumn >= 0)&&(ipStartColumn < (int)ls.size()))&&
|
||||
((ipEndColumn >= 0)&&(ipEndColumn < (int)ls.size()))&&
|
||||
((latitudeColumn >= 0)&&(latitudeColumn < (int)ls.size()))&&
|
||||
((longitudeColumn >= 0)&&(longitudeColumn < (int)ls.size())) ) {
|
||||
InetAddress ipStart(ls[ipStartColumn].c_str(),0);
|
||||
InetAddress ipEnd(ls[ipEndColumn].c_str(),0);
|
||||
const double lat = strtod(ls[latitudeColumn].c_str(),(char **)0);
|
||||
const double lon = strtod(ls[longitudeColumn].c_str(),(char **)0);
|
||||
|
||||
while (_run) {
|
||||
{
|
||||
Mutex::Lock _l(_sOutputLock);
|
||||
if ((ipStart.ss_family == ipEnd.ss_family)&&(ipStart)&&(ipEnd)&&(std::isfinite(lat))&&(std::isfinite(lon))) {
|
||||
const double latRadians = lat * 0.01745329251994; // PI / 180
|
||||
const double lonRadians = lon * 0.01745329251994; // PI / 180
|
||||
const double cosLat = cos(latRadians);
|
||||
const int x = (int)round((-6371.0) * cosLat * Math.cos(lonRadians)); // 6371 == Earth's approximate radius in kilometers
|
||||
const int y = (int)round(6371.0 * sin(latRadians));
|
||||
const int z = (int)round(6371.0 * cosLat * Math.sin(lonRadians));
|
||||
|
||||
_sOutputFd = -1;
|
||||
_sInputFd = -1;
|
||||
_sPid = 0;
|
||||
|
||||
int stdinfds[2] = { 0,0 }; // sub-process's stdin, our output
|
||||
int stdoutfds[2] = { 0,0 }; // sub-process's stdout, our input
|
||||
::pipe(stdinfds);
|
||||
::pipe(stdoutfds);
|
||||
|
||||
long p = (long)::vfork();
|
||||
if (p < 0) {
|
||||
Thread::sleep(500);
|
||||
continue;
|
||||
} else if (p == 0) {
|
||||
::close(stdinfds[1]);
|
||||
::close(stdoutfds[0]);
|
||||
::dup2(stdinfds[0],STDIN_FILENO);
|
||||
::dup2(stdoutfds[1],STDOUT_FILENO);
|
||||
::execl(_pathToExe.c_str(),_pathToExe.c_str(),(const char *)0);
|
||||
::exit(1);
|
||||
} else {
|
||||
::close(stdinfds[0]);
|
||||
::close(stdoutfds[1]);
|
||||
_sOutputFd = stdinfds[1];
|
||||
_sInputFd = stdoutfds[0];
|
||||
_sPid = p;
|
||||
if (ipStart.ss_family == AF_INET) {
|
||||
v4db.push_back(_V4E());
|
||||
v4db.back().start = Utils::ntoh((uint32_t)(reinterpret_cast<const struct sockaddr_in *>(&ipStart)->sin_addr.s_addr));
|
||||
v4db.back().end = Utils::ntoh((uint32_t)(reinterpret_cast<const struct sockaddr_in *>(&ipEnd)->sin_addr.s_addr));
|
||||
v4db.back().x = x;
|
||||
v4db.back().y = y;
|
||||
v4db.back().z = z;
|
||||
} else if (ipStart.ss_family == AF_INET6) {
|
||||
v6db.push_back(_V6E());
|
||||
memcpy(v6db.back().start,reinterpret_cast<const struct sockaddr_in6 *>(&ipStart)->sin6_addr.s6_addr,16);
|
||||
memcpy(v6db.back().end,reinterpret_cast<const struct sockaddr_in6 *>(&ipEnd)->sin6_addr.s6_addr,16);
|
||||
v6db.back().x = x;
|
||||
v6db.back().y = y;
|
||||
v6db.back().z = z;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
lineptr = 0;
|
||||
while (_run) {
|
||||
n = ::read(_sInputFd,buf,sizeof(buf));
|
||||
if (n <= 0) {
|
||||
if (errno == EINTR)
|
||||
continue;
|
||||
else break;
|
||||
}
|
||||
for(long i=0;i<n;++i) {
|
||||
if (lineptr > (long)sizeof(linebuf))
|
||||
lineptr = 0;
|
||||
if ((buf[i] == '\n')||(buf[i] == '\r')) {
|
||||
long ClusterGeoIpService::_load(const char *pathToCsv,int ipStartColumn,int ipEndColumn,int latitudeColumn,int longitudeColumn)
|
||||
{
|
||||
// assumes _lock is locked
|
||||
|
||||
FILE *f = fopen(pathToCsv,"rb");
|
||||
if (!f)
|
||||
return -1;
|
||||
|
||||
std::vector<_V4E> v4db;
|
||||
std::vector<_V6E> v6db;
|
||||
|
||||
char buf[4096];
|
||||
char linebuf[1024];
|
||||
unsigned int lineptr = 0;
|
||||
for(;;) {
|
||||
int n = (int)fread(buf,1,sizeof(buf),f);
|
||||
if (n <= 0)
|
||||
break;
|
||||
for(int i=0;i<n;++i) {
|
||||
if ((buf[i] == '\r')||(buf[i] == '\n')||(buf[i] == (char)0)) {
|
||||
if (lineptr) {
|
||||
linebuf[lineptr] = (char)0;
|
||||
if (lineptr > 0) {
|
||||
//fprintf(stderr,"ClusterGeoIpService: >> %s\n",linebuf);
|
||||
try {
|
||||
std::vector<std::string> result(Utils::split(linebuf,",","",""));
|
||||
if ((result.size() >= 7)&&(result[1] == "1")) {
|
||||
InetAddress rip(result[0],0);
|
||||
if ((rip.ss_family == AF_INET)||(rip.ss_family == AF_INET6)) {
|
||||
_CE ce;
|
||||
ce.ts = OSUtils::now();
|
||||
ce.x = (int)::strtol(result[4].c_str(),(char **)0,10);
|
||||
ce.y = (int)::strtol(result[5].c_str(),(char **)0,10);
|
||||
ce.z = (int)::strtol(result[6].c_str(),(char **)0,10);
|
||||
//fprintf(stderr,"ClusterGeoIpService: %s is at %d,%d,%d\n",rip.toIpString().c_str(),ce.x,ce.y,ce.z);
|
||||
{
|
||||
Mutex::Lock _l2(_cache_m);
|
||||
_cache[rip] = ce;
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch ( ... ) {}
|
||||
}
|
||||
lineptr = 0;
|
||||
} else linebuf[lineptr++] = buf[i];
|
||||
}
|
||||
_parseLine(linebuf,v4db,v6db,ipStartColumn,ipEndColumn,latitudeColumn,longitudeColumn);
|
||||
}
|
||||
lineptr = 0;
|
||||
} else if (lineptr < (unsigned int)sizeof(linebuf))
|
||||
linebuf[lineptr++] = buf[i];
|
||||
}
|
||||
}
|
||||
if (lineptr) {
|
||||
linebuf[lineptr] = (char)0;
|
||||
_parseLine(linebuf,v4db,v6db,ipStartColumn,ipEndColumn,latitudeColumn,longitudeColumn);
|
||||
}
|
||||
|
||||
::close(_sOutputFd);
|
||||
::close(_sInputFd);
|
||||
::kill(_sPid,SIGTERM);
|
||||
Thread::sleep(250);
|
||||
::kill(_sPid,SIGKILL);
|
||||
::waitpid(_sPid,(int *)0,0);
|
||||
fclose(f);
|
||||
|
||||
if ((v4db.size() > 0)||(v6db.size() > 0)) {
|
||||
std::sort(v4db.begin(),v4db.end());
|
||||
std::sort(v6db.begin(),v6db.end());
|
||||
|
||||
_pathToCsv = pathToCsv;
|
||||
_ipStartColumn = ipStartColumn;
|
||||
_ipEndColumn = ipEndColumn;
|
||||
_latitudeColumn = latitudeColumn;
|
||||
_longitudeColumn = longitudeColumn;
|
||||
|
||||
_lastFileCheckTime = OSUtils::now();
|
||||
_csvModificationTime = OSUtils::getLastModified(pathToCsv);
|
||||
_csvFileSize = OSUtils::getFileSize(pathToCsv);
|
||||
|
||||
_v4db.swap(v4db);
|
||||
_v6db.swap(v6db);
|
||||
|
||||
return (long)(_v4db.size() + _v6db.size());
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue