aboutsummaryrefslogtreecommitdiff
path: root/src/stable/synchroqueue.h
diff options
context:
space:
mode:
authorMike Buland <eichlan@xagasoft.com>2023-07-28 21:18:56 -0700
committerMike Buland <eichlan@xagasoft.com>2023-07-28 21:18:56 -0700
commit915005e218b5d00939b548de65ce6354f7acb487 (patch)
tree2f624a37f86f97cfd61c1995df7e4368b462bcac /src/stable/synchroqueue.h
parente43a2cac32cb773994b11a3d964ec4acc372d273 (diff)
downloadlibbu++-915005e218b5d00939b548de65ce6354f7acb487.tar.gz
libbu++-915005e218b5d00939b548de65ce6354f7acb487.tar.bz2
libbu++-915005e218b5d00939b548de65ce6354f7acb487.tar.xz
libbu++-915005e218b5d00939b548de65ce6354f7acb487.zip
Completely redesigned Server and Client.
Like, seriously, they're almost completely different.
Diffstat (limited to 'src/stable/synchroqueue.h')
-rw-r--r--src/stable/synchroqueue.h100
1 files changed, 96 insertions, 4 deletions
diff --git a/src/stable/synchroqueue.h b/src/stable/synchroqueue.h
index 1c39c2c..b10ec33 100644
--- a/src/stable/synchroqueue.h
+++ b/src/stable/synchroqueue.h
@@ -44,7 +44,8 @@ namespace Bu
44 SynchroQueue() : 44 SynchroQueue() :
45 pStart( NULL ), 45 pStart( NULL ),
46 pEnd( NULL ), 46 pEnd( NULL ),
47 nSize( 0 ) 47 nSize( 0 ),
48 bRunning( true )
48 { 49 {
49 } 50 }
50 51
@@ -76,6 +77,14 @@ namespace Bu
76 */ 77 */
77 void enqueue( T pData ) 78 void enqueue( T pData )
78 { 79 {
80 mRunning.lock();
81 if( !bRunning )
82 {
83 mRunning.unlock();
84 throw Bu::ExceptionBase("SynchoQueue is stopped.");
85 }
86 mRunning.unlock();
87
79 cBlock.lock(); 88 cBlock.lock();
80 89
81 if( pStart == NULL ) 90 if( pStart == NULL )
@@ -119,6 +128,14 @@ namespace Bu
119 */ 128 */
120 T dequeue( bool bBlock=false ) 129 T dequeue( bool bBlock=false )
121 { 130 {
131 mRunning.lock();
132 if( !bRunning )
133 {
134 mRunning.unlock();
135 return T();
136 }
137 mRunning.unlock();
138
122 cBlock.lock(); 139 cBlock.lock();
123 if( pStart == NULL ) 140 if( pStart == NULL )
124 { 141 {
@@ -129,8 +146,18 @@ namespace Bu
129 if( pStart == NULL ) 146 if( pStart == NULL )
130 { 147 {
131 cBlock.unlock(); 148 cBlock.unlock();
132 return NULL; 149 return T();
133 } 150 }
151
152 mRunning.lock();
153 if( !bRunning )
154 {
155 mRunning.unlock();
156 cBlock.unlock();
157 return T();
158 }
159 mRunning.unlock();
160
134 T pTmp = pStart->pData; 161 T pTmp = pStart->pData;
135 Item *pDel = pStart; 162 Item *pDel = pStart;
136 pStart = pStart->pNext; 163 pStart = pStart->pNext;
@@ -143,7 +170,7 @@ namespace Bu
143 } 170 }
144 171
145 cBlock.unlock(); 172 cBlock.unlock();
146 return NULL; 173 return T();
147 } 174 }
148 else 175 else
149 { 176 {
@@ -171,6 +198,14 @@ namespace Bu
171 */ 198 */
172 T dequeue( int nSec, int nUSec ) 199 T dequeue( int nSec, int nUSec )
173 { 200 {
201 mRunning.lock();
202 if( !bRunning )
203 {
204 mRunning.unlock();
205 return T();
206 }
207 mRunning.unlock();
208
174 cBlock.lock(); 209 cBlock.lock();
175 if( pStart == NULL ) 210 if( pStart == NULL )
176 { 211 {
@@ -179,8 +214,17 @@ namespace Bu
179 if( pStart == NULL ) 214 if( pStart == NULL )
180 { 215 {
181 cBlock.unlock(); 216 cBlock.unlock();
182 return NULL; 217 return T();
218 }
219
220 mRunning.lock();
221 if( !bRunning )
222 {
223 mRunning.unlock();
224 cBlock.unlock();
225 return T();
183 } 226 }
227 mRunning.unlock();
184 228
185 T pTmp = pStart->pData; 229 T pTmp = pStart->pData;
186 Item *pDel = pStart; 230 Item *pDel = pStart;
@@ -203,6 +247,35 @@ namespace Bu
203 return pTmp; 247 return pTmp;
204 } 248 }
205 } 249 }
250
251 T drain()
252 {
253 mRunning.lock();
254 if( bRunning )
255 {
256 mRunning.unlock();
257 return NULL;
258 }
259 mRunning.unlock();
260
261 cBlock.lock();
262 if( pStart == NULL )
263 {
264 cBlock.unlock();
265 return T();
266 }
267 else
268 {
269 T pTmp = pStart->pData;
270 Item *pDel = pStart;
271 pStart = pStart->pNext;
272 delete pDel;
273 nSize--;
274
275 cBlock.unlock();
276 return pTmp;
277 }
278 }
206 279
207 /** 280 /**
208 * Checks to see if the queue has data in it or not. Note that there 281 * Checks to see if the queue has data in it or not. Note that there
@@ -235,12 +308,31 @@ namespace Bu
235 cBlock.unlock(); 308 cBlock.unlock();
236 } 309 }
237 310
311 void stop()
312 {
313 mRunning.lock();
314 bRunning = false;
315 mRunning.unlock();
316 unblockAll();
317 }
318
319 bool isRunning() const
320 {
321 bool bRet;
322 mRunning.lock();
323 bRet = bRunning;
324 mRunning.unlock();
325 return bRet;
326 }
327
238 private: 328 private:
239 Item *pStart; /**< The start of the queue, the next element to dequeue. */ 329 Item *pStart; /**< The start of the queue, the next element to dequeue. */
240 Item *pEnd; /**< The end of the queue, the last element to dequeue. */ 330 Item *pEnd; /**< The end of the queue, the last element to dequeue. */
241 long nSize; /**< The number of items in the queue. */ 331 long nSize; /**< The number of items in the queue. */
242 332
243 Condition cBlock; /**< The condition for blocking dequeues. */ 333 Condition cBlock; /**< The condition for blocking dequeues. */
334 mutable Mutex mRunning;
335 bool bRunning;
244 }; 336 };
245} 337}
246 338