kresolver_p.h
00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025 #ifndef KRESOLVER_P_H
00026 #define KRESOLVER_P_H
00027
00028 #include <config.h>
00029
00030 #include <qstring.h>
00031 #include <qcstring.h>
00032 #include <qvaluelist.h>
00033 #include <qptrlist.h>
00034 #include <qptrqueue.h>
00035 #include <qthread.h>
00036 #include <qmutex.h>
00037 #include <qwaitcondition.h>
00038 #include <qsemaphore.h>
00039 #include <qevent.h>
00040
00041 #include "kdemacros.h"
00042 #include "kresolver.h"
00043
00044
00045 #if !defined(HAVE_GETPROTOBYNAME_R) || !defined(HAVE_GETSERVBYNAME_R) || !defined(HAVE_GETHOSTBYNAME_R) || !defined(HAVE_GETSERVBYPORT_R)
00046 # define NEED_MUTEX
00047 extern QMutex getXXbyYYmutex;
00048 #endif
00049
00050 namespace KNetwork
00051 {
00052
00053
00054 class KResolverWorkerBase;
00055 class KResolverWorkerFactoryBase;
00056
00057 class KResolverPrivate
00058 {
00059 public:
00060
00061 KResolver* parent;
00062 bool deleteWhenDone : 1;
00063 bool waiting : 1;
00064
00065
00066 volatile int status;
00067 volatile int errorcode, syserror;
00068
00069
00070 struct InputData
00071 {
00072 QString node, service;
00073 QCString protocolName;
00074 int flags;
00075 int familyMask;
00076 int socktype;
00077 int protocol;
00078 } input;
00079
00080
00081 QMutex mutex;
00082
00083
00084 KResolverResults results;
00085
00086 KResolverPrivate(KResolver* _parent,
00087 const QString& _node = QString::null,
00088 const QString& _service = QString::null)
00089 : parent(_parent), deleteWhenDone(false), waiting(false),
00090 status(0), errorcode(0), syserror(0)
00091 {
00092 input.node = _node;
00093 input.service = _service;
00094 input.flags = 0;
00095 input.familyMask = KResolver::AnyFamily;
00096 input.socktype = 0;
00097 input.protocol = 0;
00098
00099 results.setAddress(_node, _service);
00100 }
00101 };
00102
00103 namespace Internal
00104 {
00105 class KResolverManager;
00106 class KResolverThread;
00107
00108 struct RequestData
00109 {
00110
00111 KNetwork::KResolverPrivate *obj;
00112 const KNetwork::KResolverPrivate::InputData *input;
00113 KNetwork::KResolverWorkerBase *worker;
00114 RequestData *requestor;
00115
00116 volatile int nRequests;
00117 };
00118
00119
00120
00121
00122
00123 class KResolverManager
00124 {
00125 public:
00126 enum EventTypes
00127 { ResolutionCompleted = 1576 };
00128
00129
00130
00131
00132
00133
00134
00135 QWaitCondition notifyWaiters;
00136
00137 private:
00138
00139
00140
00141 volatile unsigned short runningThreads;
00142
00143
00144
00145
00146
00147 unsigned short availableThreads;
00148
00149
00150
00151
00152
00153
00154 QWaitCondition feedWorkers;
00155
00156
00157 QMutex mutex;
00158
00159
00160 QPtrList<KResolverThread> workers;
00161
00162
00163 QPtrList<RequestData> newRequests;
00164
00165
00166 QPtrList<RequestData> currentRequests;
00167
00168
00169 QPtrList<KNetwork::KResolverWorkerFactoryBase> workerFactories;
00170
00171
00172 KResolverManager();
00173
00174 public:
00175 static KResolverManager* manager() KDE_NO_EXPORT;
00176
00177
00178 ~KResolverManager();
00179
00180
00181
00182
00183 void registerThread(KResolverThread* id);
00184
00185
00186
00187
00188 void unregisterThread(KResolverThread* id);
00189
00190
00191
00192
00193
00194
00195
00196
00197
00198
00199 RequestData* requestData(KResolverThread* id, int maxWaitTime);
00200
00201
00202
00203
00204
00205
00206
00207 void releaseData(KResolverThread *id, RequestData* data);
00208
00209
00210
00211
00212
00213
00214 void registerNewWorker(KNetwork::KResolverWorkerFactoryBase *factory);
00215
00216
00217
00218
00219 void enqueue(KNetwork::KResolver *obj, RequestData* requestor);
00220
00221
00222
00223
00224 void dispatch(RequestData* data);
00225
00226
00227
00228
00229 void dequeue(KNetwork::KResolver *obj);
00230
00231
00232
00233
00234
00235
00236 void aboutToBeDeleted(KNetwork::KResolver *obj);
00237
00238
00239
00240
00241 void newEvent();
00242
00243
00244
00245
00246
00247
00248 void receiveEvent();
00249
00250 private:
00251
00252
00253
00254 KNetwork::KResolverWorkerBase *findWorker(KNetwork::KResolverPrivate *p);
00255
00256
00257
00258
00259 RequestData* findData(KResolverThread*);
00260
00261
00262
00263
00264
00265
00266 void handleFinished();
00267
00268
00269
00270
00271
00272
00273 bool handleFinishedItem(RequestData* item);
00274
00275
00276
00277
00278
00279
00280 void doNotifying(RequestData *p);
00281
00282
00283
00284
00285
00286
00287 bool dequeueNew(KNetwork::KResolver* obj);
00288 };
00289
00290
00291
00292
00293
00294
00295 class KResolverThread: public QThread
00296 {
00297 public:
00298
00299 KResolverThread();
00300 RequestData* data;
00301
00302 protected:
00303 virtual void run();
00304
00305 friend class KNetwork::Internal::KResolverManager;
00306 friend class KNetwork::KResolverWorkerBase;
00307 };
00308
00309 }
00310
00311 }
00312
00313
00314 #endif
This file is part of the documentation for kdecore Library Version 3.3.90.