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00020
00021 #include <config.h>
00022
00023 #include <tqeventloop.h>
00024 #include <tqapplication.h>
00025 #include <kurl.h>
00026 #ifdef HAVE_SYS_TYPES_H
00027 #include <sys/types.h>
00028 #endif
00029 #include <netinet/in.h>
00030 #ifdef HAVE_DNSSD
00031 #include <avahi-client/client.h>
00032 #include <avahi-common/strlst.h>
00033 #ifdef AVAHI_API_0_6
00034 #include <avahi-client/lookup.h>
00035 #endif
00036 #endif
00037 #include "remoteservice.h"
00038 #include "responder.h"
00039 #include "sdevent.h"
00040
00041 namespace DNSSD
00042 {
00043 #ifdef HAVE_DNSSD
00044 #ifdef AVAHI_API_0_6
00045 void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol proto, AvahiResolverEvent e,
00046 const char* name, const char* type, const char* domain, const char* hostname, const AvahiAddress* a,
00047 uint16_t port, AvahiStringList* txt, AvahiLookupResultFlags, void* context);
00048 #else
00049 void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol proto, AvahiResolverEvent e,
00050 const char* name, const char* type, const char* domain, const char* hostname, const AvahiAddress* a,
00051 uint16_t port, AvahiStringList* txt, void* context);
00052 #endif
00053 #endif
00054
00055 class RemoteServicePrivate : public Responder
00056 {
00057 public:
00058 RemoteServicePrivate() : m_resolved(false), m_running(false)
00059 #ifdef HAVE_DNSSD
00060 , m_resolver(0)
00061 #endif
00062 {}
00063 bool m_resolved;
00064 bool m_running;
00065 #ifdef HAVE_DNSSD
00066 AvahiServiceResolver* m_resolver;
00067 void stop() {
00068 m_running = false;
00069 if (m_resolver) avahi_service_resolver_free(m_resolver);
00070 m_resolver=0;
00071 }
00072 #endif
00073 };
00074
00075 RemoteService::RemoteService(const TQString& label)
00076 {
00077 decode(label);
00078 d = new RemoteServicePrivate();
00079 }
00080 RemoteService::RemoteService(const TQString& name,const TQString& type,const TQString& domain)
00081 : ServiceBase(name, type, domain)
00082 {
00083 d = new RemoteServicePrivate();
00084 }
00085
00086 RemoteService::RemoteService(const KURL& url)
00087 {
00088 d = new RemoteServicePrivate();
00089 if (!url.isValid()) return;
00090 if (url.protocol()!="invitation") return;
00091 if (!url.hasPath()) return;
00092 m_hostName = url.host();
00093 m_port = url.port();
00094 m_type = url.path().section('/',1,1);
00095 m_serviceName = url.path().section('/',2);
00096 m_textData = url.queryItems();
00097 d->m_resolved=true;
00098 }
00099
00100 RemoteService::~RemoteService()
00101 {
00102 #ifdef HAVE_DNSSD
00103 if (d->m_resolver) avahi_service_resolver_free(d->m_resolver);
00104 #endif
00105 delete d;
00106 }
00107
00108 bool RemoteService::resolve()
00109 {
00110 resolveAsync();
00111 while (d->m_running && !d->m_resolved) Responder::self().process();
00112 #ifdef HAVE_DNSSD
00113 d->stop();
00114 #endif
00115 return d->m_resolved;
00116 }
00117
00118 void RemoteService::resolveAsync()
00119 {
00120 if (d->m_running) return;
00121 d->m_resolved = false;
00122
00123 #ifdef HAVE_DNSSD
00124 #ifdef AVAHI_API_0_6
00125 d->m_resolver = avahi_service_resolver_new(Responder::self().client(),AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
00126 m_serviceName.utf8(), m_type.ascii(), domainToDNS(m_domain), AVAHI_PROTO_UNSPEC, AVAHI_LOOKUP_NO_ADDRESS,
00127 resolve_callback, this);
00128 #else
00129 d->m_resolver = avahi_service_resolver_new(Responder::self().client(),AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
00130 m_serviceName.utf8(), m_type.ascii(), m_domain.utf8(), AVAHI_PROTO_UNSPEC, resolve_callback, this);
00131 #endif
00132 if (d->m_resolver) d->m_running=true;
00133 else emit resolved(false);
00134 #endif
00135 }
00136
00137 bool RemoteService::isResolved() const
00138 {
00139 return d->m_resolved;
00140 }
00141
00142 void RemoteService::customEvent(TQCustomEvent* event)
00143 {
00144 if (event->type() == TQEvent::User+SD_ERROR) {
00145 #ifdef HAVE_DNSSD
00146 d->stop();
00147 #endif
00148 d->m_resolved=false;
00149 emit resolved(false);
00150 }
00151 if (event->type() == TQEvent::User+SD_RESOLVE) {
00152 ResolveEvent* rev = static_cast<ResolveEvent*>(event);
00153 m_hostName = rev->m_hostname;
00154 m_port = rev->m_port;
00155 m_textData = rev->m_txtdata;
00156 d->m_resolved = true;
00157 emit resolved(true);
00158 }
00159 }
00160
00161 void RemoteService::virtual_hook(int, void*)
00162 {
00163
00164 }
00165
00166 TQDataStream & operator<< (TQDataStream & s, const RemoteService & a)
00167 {
00168 s << (static_cast<ServiceBase>(a));
00169 TQ_INT8 resolved = a.d->m_resolved ? 1:0;
00170 s << resolved;
00171 return s;
00172 }
00173
00174 TQDataStream & operator>> (TQDataStream & s, RemoteService & a)
00175 {
00176
00177 #ifdef HAVE_DNSSD
00178 a.d->stop();
00179 #endif
00180 TQ_INT8 resolved;
00181 operator>>(s,(static_cast<ServiceBase&>(a)));
00182 s >> resolved;
00183 a.d->m_resolved = (resolved == 1);
00184 return s;
00185 }
00186
00187 #ifdef HAVE_DNSSD
00188 #ifdef AVAHI_API_0_6
00189 void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol, AvahiResolverEvent e,
00190 const char*, const char*, const char*, const char* hostname, const AvahiAddress*,
00191 uint16_t port, AvahiStringList* txt, AvahiLookupResultFlags, void* context)
00192 #else
00193 void resolve_callback(AvahiServiceResolver*, AvahiIfIndex, AvahiProtocol, AvahiResolverEvent e,
00194 const char*, const char*, const char*, const char* hostname, const AvahiAddress*,
00195 uint16_t port, AvahiStringList* txt, void* context)
00196 #endif
00197 {
00198 TQObject *obj = reinterpret_cast<TQObject*>(context);
00199 if (e != AVAHI_RESOLVER_FOUND) {
00200 ErrorEvent err;
00201 TQApplication::sendEvent(obj, &err);
00202 return;
00203 }
00204 TQMap<TQString,TQString> map;
00205 while (txt) {
00206 char *key, *value;
00207 size_t size;
00208 if (avahi_string_list_get_pair(txt,&key,&value,&size)) break;
00209 map[TQString::fromUtf8(key)]=(value) ? TQString::fromUtf8(value) : TQString::null;
00210 txt = txt->next;
00211 }
00212 ResolveEvent rev(DNSToDomain(hostname),port,map);
00213 TQApplication::sendEvent(obj, &rev);
00214 }
00215 #endif
00216
00217
00218 }
00219
00220 #include "remoteservice.moc"