MILESTONE 3: PJSIP Wrapper JNI completo y funcionando

GSMGateway/app/src/main/cpp/pj/pool_i.h

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+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+
+
+#include <pj/string.h>
+
+
+PJ_IDEF(pj_size_t) pj_pool_get_capacity( pj_pool_t *pool )
+{
+    return pool->capacity;
+}
+
+PJ_IDEF(pj_size_t) pj_pool_get_used_size( pj_pool_t *pool )
+{
+    pj_pool_block *b = pool->block_list.next;
+    pj_size_t used_size = sizeof(pj_pool_t);
+    while (b != &pool->block_list) {
+        used_size += (b->cur - b->buf) + sizeof(pj_pool_block);
+        b = b->next;
+    }
+    return used_size;
+}
+
+PJ_IDEF(void*) pj_pool_alloc_from_block( pj_pool_block *block, pj_size_t size )
+{
+    /* The operation below is valid for size==0. 
+     * When size==0, the function will return the pointer to the pool
+     * memory address, but no memory will be allocated.
+     */
+    if (size & (PJ_POOL_ALIGNMENT-1)) {
+        size = (size + PJ_POOL_ALIGNMENT) & ~(PJ_POOL_ALIGNMENT-1);
+    }
+    if ((pj_size_t)(block->end - block->cur) >= size) {
+        void *ptr = block->cur;
+        block->cur += size;
+        return ptr;
+    }
+    return NULL;
+}
+
+PJ_IDEF(void*) pj_pool_alloc( pj_pool_t *pool, pj_size_t size)
+{
+    void *ptr = pj_pool_alloc_from_block(pool->block_list.next, size);
+    if (!ptr)
+        ptr = pj_pool_allocate_find(pool, size);
+    return ptr;
+}
+
+
+PJ_IDEF(void*) pj_pool_calloc( pj_pool_t *pool, pj_size_t count, pj_size_t size)
+{
+    void *buf = pj_pool_alloc( pool, size*count);
+    if (buf)
+        pj_bzero(buf, size * count);
+    return buf;
+}
+
+PJ_IDEF(const char *) pj_pool_getobjname( const pj_pool_t *pool )
+{
+    return pool->obj_name;
+}
+
+PJ_IDEF(pj_pool_t*) pj_pool_create( pj_pool_factory *f, 
+                                    const char *name,
+                                    pj_size_t initial_size, 
+                                    pj_size_t increment_size,
+                                    pj_pool_callback *callback)
+{
+    return (*f->create_pool)(f, name, initial_size, increment_size, callback);
+}
+
+PJ_IDEF(void) pj_pool_release( pj_pool_t *pool )
+{
+#if PJ_POOL_RELEASE_WIPE_DATA
+    pj_pool_block *b;
+
+    b = pool->block_list.next;
+    while (b != &pool->block_list) {
+        volatile unsigned char *p = b->buf;
+        while (p < b->end) *p++ = 0;
+        b = b->next;
+    }
+#endif
+
+    if (pool->factory->release_pool)
+        (*pool->factory->release_pool)(pool->factory, pool);
+}
+
+
+PJ_IDEF(void) pj_pool_safe_release( pj_pool_t **ppool )
+{
+    pj_pool_t *pool = *ppool;
+    *ppool = NULL;
+    if (pool)
+        pj_pool_release(pool);
+}
+
+PJ_IDEF(void) pj_pool_secure_release( pj_pool_t **ppool )
+{
+    pj_pool_block *b;
+    pj_pool_t *pool = *ppool;
+    *ppool = NULL;
+
+    if (!pool)
+        return;
+
+    b = pool->block_list.next;
+    while (b != &pool->block_list) {
+        volatile unsigned char *p = b->buf;
+        while (p < b->end) *p++ = 0;
+        b = b->next;
+    }
+
+    pj_pool_release(pool);
+}