Diff: GhmMessageList.cpp

Revision:

29:b6af04b77a56

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GhmMessageList.cpp	Mon Oct 27 13:42:26 2014 -0700
@@ -0,0 +1,159 @@
+/**
+ * ACKme WiConnect Host Library is licensed under the BSD licence: 
+ * 
+ * Copyright (c)2014 ACKme Networks.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met: 
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, 
+ * this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, 
+ * this list of conditions and the following disclaimer in the documentation 
+ * and/or other materials provided with the distribution. 
+ * 3. The name of the author may not be used to endorse or promote products 
+ * derived from this software without specific prior written permission. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ */
+#include "Wiconnect.h"
+#include "api/types/GhmMessageList.h"
+#include "internal/common.h"
+
+
+/*************************************************************************************************/
+GhmMessageList::GhmMessageList(int bufferLen_, void *buffer_)
+{
+    Wiconnect *wiconnect = Wiconnect::getInstance();
+    wiconnect_assert(wiconnect, "GhmMessageList(), bad buffer", (bufferLen_ == 0 && buffer_ == NULL) || (bufferLen_ != 0 && buffer_ != NULL));
+
+    buffer = (uint8_t*)buffer_;
+    bufferLen = bufferLen_;
+    reset();
+}
+
+/*************************************************************************************************/
+GhmMessageList::~GhmMessageList()
+{
+    reset();
+}
+
+/*************************************************************************************************/
+void GhmMessageList::reset(void)
+{
+#ifdef WICONNECT_ENABLE_MALLOC
+    if(buffer == NULL)
+    {
+        GhmMessage* result = listHead;
+        while(result != NULL)
+        {
+            GhmMessage* tmp = result;
+            result = result->next;
+            delete tmp;
+        }
+    }
+#endif
+    listHead = listTail = NULL;
+    bufferPtr = buffer;
+    bufferRemaining = bufferLen;
+    count = 0;
+}
+
+/*************************************************************************************************/
+WiconnectResult GhmMessageList::add(const char *msgId, const char* timestamp, const char *length)
+{
+    WiconnectResult result;
+    GhmMessage *res;
+
+    if(buffer == NULL)
+    {
+#ifdef WICONNECT_ENABLE_MALLOC
+        res = new GhmMessage();
+        if(res == NULL)
+#endif
+        {
+            return WICONNECT_NULL_BUFFER;
+        }
+    }
+    else
+    {
+        if(bufferRemaining < sizeof(GhmMessage))
+        {
+            return WICONNECT_OVERFLOW;
+        }
+        res = (GhmMessage*)bufferPtr;
+        memset(res, 0, sizeof(GhmMessage));
+        bufferRemaining -= sizeof(GhmMessage);
+        bufferPtr += sizeof(GhmMessage);
+    }
+
+    if(WICONNECT_FAILED(result, res->init(msgId, timestamp, length)))
+    {
+        if(buffer == NULL)
+        {
+            delete res;
+        }
+    }
+    else
+    {
+        if(listHead == NULL)
+        {
+            listHead = listTail = res;
+        }
+        else
+        {
+            res->previous = listTail;
+            listTail->next = res;
+            listTail = res;
+        }
+        ++count;
+    }
+
+    return result;
+}
+
+/*************************************************************************************************/
+const GhmMessage* GhmMessageList::getListHead() const
+{
+    return listHead;
+}
+
+/*************************************************************************************************/
+int GhmMessageList::getCount() const
+{
+    return count;
+}
+
+/*************************************************************************************************/
+const GhmMessage* GhmMessageList::getResult(int i) const
+{
+    if(i >= count)
+        return NULL;
+
+    GhmMessage* result = listHead;
+    while(i-- != 0)
+        result = result->next;
+
+    return result;
+}
+
+/*************************************************************************************************/
+const GhmMessage* GhmMessageList::operator [](int i) const
+{
+    return getResult(i);
+}
+
+
+
+
+