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Use private udns context for each DNSClient

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This commit is contained in:
Torsten Dreyer 2016-11-20 12:35:43 +01:00
parent 73f57bbbd8
commit 9088f41352
2 changed files with 24 additions and 18 deletions
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32
simgear/io/DNSClient.cxx
View File

@ -22,7 +22,7 @@
//
#include "DNSClient.hxx"
#include "udns.h"
#include <udns.h>
#include <time.h>
#include <simgear/debug/logstream.hxx>
@ -33,16 +33,21 @@ namespace DNS {
class Client::ClientPrivate {
public:
ClientPrivate() {
if (dns_init(NULL, 0) < 0)
ctx = dns_new(NULL);
if (dns_init(ctx, 0) < 0)
SG_LOG(SG_IO, SG_ALERT, "Can't init udns library" );
if( dns_open(NULL) < 0 )
if( dns_open(ctx) < 0 )
SG_LOG(SG_IO, SG_ALERT, "Can't open udns context" );
}
~ClientPrivate() {
dns_close(NULL);
dns_close(ctx);
dns_free(ctx);
}
struct dns_ctx * ctx;
};
Request::Request( const std::string & dn ) :
@ -111,10 +116,10 @@ static void dnscbSRV(struct dns_ctx *ctx, struct dns_rr_srv *result, void *data)
r->setComplete();
}
void SRVRequest::submit()
void SRVRequest::submit( Client * client )
{
// if service is defined, pass service and protocol
if (!dns_submit_srv(NULL, getDn().c_str(), _service.empty() ? NULL : _service.c_str(), _service.empty() ? NULL : _protocol.c_str(), 0, dnscbSRV, this )) {
if (!dns_submit_srv(client->d->ctx, getDn().c_str(), _service.empty() ? NULL : _service.c_str(), _service.empty() ? NULL : _protocol.c_str(), 0, dnscbSRV, this )) {
SG_LOG(SG_IO, SG_ALERT, "Can't submit dns request for " << getDn());
return;
}
@ -148,10 +153,10 @@ static void dnscbTXT(struct dns_ctx *ctx, struct dns_rr_txt *result, void *data)
r->setComplete();
}
void TXTRequest::submit()
void TXTRequest::submit( Client * client )
{
// protocol and service an already encoded in DN so pass in NULL for both
if (!dns_submit_txt(NULL, getDn().c_str(), DNS_C_IN, 0, dnscbTXT, this )) {
if (!dns_submit_txt(client->d->ctx, getDn().c_str(), DNS_C_IN, 0, dnscbTXT, this )) {
SG_LOG(SG_IO, SG_ALERT, "Can't submit dns request for " << getDn());
return;
}
@ -196,9 +201,9 @@ static void dnscbNAPTR(struct dns_ctx *ctx, struct dns_rr_naptr *result, void *d
r->setComplete();
}
void NAPTRRequest::submit()
void NAPTRRequest::submit( Client * client )
{
if (!dns_submit_naptr(NULL, getDn().c_str(), 0, dnscbNAPTR, this )) {
if (!dns_submit_naptr(client->d->ctx, getDn().c_str(), 0, dnscbNAPTR, this )) {
SG_LOG(SG_IO, SG_ALERT, "Can't submit dns request for " << getDn());
return;
}
@ -217,15 +222,16 @@ Client::Client() :
void Client::makeRequest(const Request_ptr& r)
{
r->submit();
r->submit(this);
}
void Client::update(int waitTimeout)
{
time_t now = time(NULL);
if( dns_timeouts( NULL, waitTimeout, now ) < 0 )
if( dns_timeouts( d->ctx, waitTimeout, now ) < 0 )
return;
dns_ioevent(NULL, now);
dns_ioevent(d->ctx, now);
}
} // of namespace DNS

10
simgear/io/DNSClient.hxx
View File

@ -39,6 +39,7 @@ namespace simgear
namespace DNS
{
class Client;
class Request : public SGReferenced
{
public:
@ -50,7 +51,7 @@ public:
bool isTimeout() const;
void setComplete( bool b = true ) { _complete = b; }
virtual void submit() = 0;
virtual void submit( Client * client) = 0;
std::string cname;
std::string qname;
@ -68,7 +69,7 @@ class NAPTRRequest : public Request
{
public:
NAPTRRequest( const std::string & dn );
virtual void submit();
virtual void submit( Client * client );
struct NAPTR : SGReferenced {
int order;
@ -91,7 +92,7 @@ class SRVRequest : public Request
public:
SRVRequest( const std::string & dn );
SRVRequest( const std::string & dn, const string & service, const string & protocol );
virtual void submit();
virtual void submit( Client * client );
struct SRV : SGReferenced {
int priority;
@ -111,7 +112,7 @@ class TXTRequest : public Request
{
public:
TXTRequest( const std::string & dn );
virtual void submit();
virtual void submit( Client * client );
typedef std::vector<string> TXT_list;
typedef std::map<std::string,std::string> TXT_Attribute_map;
@ -131,7 +132,6 @@ public:
// void cancelRequest(const Request_ptr& r, std::string reason = std::string());
private:
class ClientPrivate;
std::auto_ptr<ClientPrivate> d;
};