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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "syncres.hh"
#include "mtasker.hh"
#include "rec_channel.hh"
#include "iputils.hh"
#include "logger.hh"
#include "arguments.hh"
#include "lock.hh"
void doCarbonDump(void*)
try
{
string hostname;
vector<string> carbonServers;
{
Lock l(&g_carbon_config_lock);
stringtok(carbonServers, arg()["carbon-server"], ", ");
hostname=arg()["carbon-ourname"];
}
if(carbonServers.empty())
return;
if(hostname.empty()) {
char tmp[HOST_NAME_MAX+1];
memset(tmp, 0, sizeof(tmp));
if (gethostname(tmp, sizeof(tmp)) != 0) {
throw std::runtime_error("The 'carbon-ourname' setting has not been set and we are unable to determine the system's hostname: " + stringerror());
}
char *p = strchr(tmp, '.');
if(p) *p=0;
hostname=tmp;
boost::replace_all(hostname, ".", "_");
}
registerAllStats();
string msg;
for(const auto& carbonServer: carbonServers) {
ComboAddress remote(carbonServer, 2003);
Socket s(remote.sin4.sin_family, SOCK_STREAM);
s.setNonBlocking();
s.connect(remote); // we do the connect so the first attempt happens while we gather stats
if(msg.empty()) {
typedef map<string,string> all_t;
all_t all=getAllStatsMap();
ostringstream str;
time_t now=time(0);
for(const all_t::value_type& val : all) {
str<<"pdns."<<hostname<<".recursor."<<val.first<<' '<<val.second<<' '<<now<<"\r\n";
}
msg = str.str();
}
int ret=asendtcp(msg, &s); // this will actually do the right thing waiting on the connect
if(ret < 0)
L<<Logger::Warning<<"Error writing carbon data to "<<remote.toStringWithPort()<<": "<<strerror(errno)<<endl;
if(ret==0)
L<<Logger::Warning<<"Timeout connecting/writing carbon data to "<<remote.toStringWithPort()<<endl;
}
}
catch(PDNSException& e)
{
L<<Logger::Error<<"Error in carbon thread: "<<e.reason<<endl;
}
catch(std::exception& e)
{
L<<Logger::Error<<"Error in carbon thread: "<<e.what()<<endl;
}
catch(...)
{
L<<Logger::Error<<"Unknown error in carbon thread"<<endl;
}
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