67 }
68
69 AccessBridgeMessageQueue::~AccessBridgeMessageQueue() {
70 // empty queue, then exit
71 }
72
73 /**
74 * getEventsWaiting - gets the number of events waiting to fire
75 */
76 int
77 AccessBridgeMessageQueue::getEventsWaiting() {
78 return size;
79 }
80
81 /**
82 * add - add an element to the queue, which is locked with semaphores
83 *
84 */
85 QueueReturns
86 AccessBridgeMessageQueue::add(AccessBridgeQueueElement *element) {
87 PrintDebugString(" in AccessBridgeMessageQueue::add()");
88 PrintDebugString(" queue size = %d", size);
89
90 QueueReturns returnVal = cElementPushedOK;
91 if (queueLocked) {
92 PrintDebugString(" queue was locked; returning cQueueInUse!");
93 return cQueueInUse;
94 }
95 queueLocked = TRUE;
96 {
97 PrintDebugString(" adding element to queue!");
98 if (end == (AccessBridgeQueueElement *) 0) {
99 if (start == (AccessBridgeQueueElement *) 0 && size == 0) {
100 start = element;
101 end = element;
102 element->previous = (AccessBridgeQueueElement *) 0;
103 element->next = (AccessBridgeQueueElement *) 0;
104 size++;
105 } else {
106 returnVal = cQueueBroken; // bad voodo!
107 }
108 } else {
109 element->previous = end;
110 element->next = (AccessBridgeQueueElement *) 0;
111 end->next = element;
112 end = element;
113 size++;
114 }
115 }
116 queueLocked = FALSE;
117 PrintDebugString(" returning from AccessBridgeMessageQueue::add()");
118 return returnVal;
119 }
120
121
122 /**
123 * remove - remove an element from the queue, which is locked with semaphores
124 *
125 */
126 QueueReturns
127 AccessBridgeMessageQueue::remove(AccessBridgeQueueElement **element) {
128 PrintDebugString(" in AccessBridgeMessageQueue::remove()");
129 PrintDebugString(" queue size = %d", size);
130
131 QueueReturns returnVal = cMoreMessages;
132 if (queueLocked) {
133 PrintDebugString(" queue was locked; returning cQueueInUse!");
134 return cQueueInUse;
135 }
136 queueLocked = TRUE;
137 {
138 PrintDebugString(" removing element from queue!");
139 if (size > 0) {
140 if (start != (AccessBridgeQueueElement *) 0) {
141 *element = start;
142 start = start->next;
143 if (start != (AccessBridgeQueueElement *) 0) {
144 start->previous = (AccessBridgeQueueElement *) 0;
145 } else {
146 end = (AccessBridgeQueueElement *) 0;
147 if (size != 1) {
148 returnVal = cQueueBroken; // bad voodo, should only be 1 in this situation
149 }
150 }
151 size--;
152 } else {
153 returnVal = cQueueBroken; // bad voodo!
154 }
155 } else {
156 returnVal = cQueueEmpty;
157 }
158 }
159 queueLocked = FALSE;
160 PrintDebugString(" returning from AccessBridgeMessageQueue::remove()");
161 return returnVal;
162 }
163
164
165 /**
166 * setRemoveLock - set the state of the removeLock (TRUE or FALSE)
167 *
168 */
169 QueueReturns
170 AccessBridgeMessageQueue::setRemoveLock(BOOL removeLockSetting) {
171 if (queueLocked) {
172 return cQueueInUse;
173 }
174 queueRemoveLocked = removeLockSetting;
175
176 return cQueueOK;
177 }
178
179 /**
180 * setRemoveLock - set the state of the removeLock (TRUE or FALSE)
|
67 }
68
69 AccessBridgeMessageQueue::~AccessBridgeMessageQueue() {
70 // empty queue, then exit
71 }
72
73 /**
74 * getEventsWaiting - gets the number of events waiting to fire
75 */
76 int
77 AccessBridgeMessageQueue::getEventsWaiting() {
78 return size;
79 }
80
81 /**
82 * add - add an element to the queue, which is locked with semaphores
83 *
84 */
85 QueueReturns
86 AccessBridgeMessageQueue::add(AccessBridgeQueueElement *element) {
87 PrintDebugString("[INFO]: in AccessBridgeMessageQueue::add()");
88 PrintDebugString("[INFO]: queue size = %d", size);
89
90 QueueReturns returnVal = cElementPushedOK;
91 if (queueLocked) {
92 PrintDebugString("[WARN]: queue was locked; returning cQueueInUse!");
93 return cQueueInUse;
94 }
95 queueLocked = TRUE;
96 {
97 PrintDebugString("[INFO]: adding element to queue!");
98 if (end == (AccessBridgeQueueElement *) 0) {
99 if (start == (AccessBridgeQueueElement *) 0 && size == 0) {
100 start = element;
101 end = element;
102 element->previous = (AccessBridgeQueueElement *) 0;
103 element->next = (AccessBridgeQueueElement *) 0;
104 size++;
105 } else {
106 returnVal = cQueueBroken; // bad voodo!
107 }
108 } else {
109 element->previous = end;
110 element->next = (AccessBridgeQueueElement *) 0;
111 end->next = element;
112 end = element;
113 size++;
114 }
115 }
116 queueLocked = FALSE;
117 PrintDebugString("[INFO]: returning from AccessBridgeMessageQueue::add()");
118 return returnVal;
119 }
120
121
122 /**
123 * remove - remove an element from the queue, which is locked with semaphores
124 *
125 */
126 QueueReturns
127 AccessBridgeMessageQueue::remove(AccessBridgeQueueElement **element) {
128 PrintDebugString("[INFO]: in AccessBridgeMessageQueue::remove()");
129 PrintDebugString("[INFO]: queue size = %d", size);
130
131 QueueReturns returnVal = cMoreMessages;
132 if (queueLocked) {
133 PrintDebugString("[WARN]: queue was locked; returning cQueueInUse!");
134 return cQueueInUse;
135 }
136 queueLocked = TRUE;
137 {
138 PrintDebugString("[INFO]: removing element from queue!");
139 if (size > 0) {
140 if (start != (AccessBridgeQueueElement *) 0) {
141 *element = start;
142 start = start->next;
143 if (start != (AccessBridgeQueueElement *) 0) {
144 start->previous = (AccessBridgeQueueElement *) 0;
145 } else {
146 end = (AccessBridgeQueueElement *) 0;
147 if (size != 1) {
148 returnVal = cQueueBroken; // bad voodo, should only be 1 in this situation
149 }
150 }
151 size--;
152 } else {
153 returnVal = cQueueBroken; // bad voodo!
154 }
155 } else {
156 returnVal = cQueueEmpty;
157 }
158 }
159 queueLocked = FALSE;
160 PrintDebugString("[INFO]: returning from AccessBridgeMessageQueue::remove()");
161 return returnVal;
162 }
163
164
165 /**
166 * setRemoveLock - set the state of the removeLock (TRUE or FALSE)
167 *
168 */
169 QueueReturns
170 AccessBridgeMessageQueue::setRemoveLock(BOOL removeLockSetting) {
171 if (queueLocked) {
172 return cQueueInUse;
173 }
174 queueRemoveLocked = removeLockSetting;
175
176 return cQueueOK;
177 }
178
179 /**
180 * setRemoveLock - set the state of the removeLock (TRUE or FALSE)
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