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performance tweaks

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2693 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2006-09-14 00:15:03 +00:00
parent 0ff8b417e9
commit 8a0e9ccf1f
9 changed files with 541 additions and 30 deletions
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18
src/switch_buffer.c
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@@ -39,7 +39,8 @@ typedef enum {
} switch_buffer_flag_t;
struct switch_buffer {
unsigned char *data;
switch_byte_t *data;
switch_byte_t *front;
switch_size_t used;
switch_size_t datalen;
switch_size_t max_len;
@@ -56,6 +57,7 @@ SWITCH_DECLARE(switch_status_t) switch_buffer_create(switch_memory_pool_t *pool,
&& (new_buffer->data = switch_core_alloc(pool, max_len)) != 0) {
new_buffer->datalen = max_len;
new_buffer->id = buffer_id++;
new_buffer->front = new_buffer->data;
*buffer = new_buffer;
return SWITCH_STATUS_SUCCESS;
}
@@ -84,6 +86,7 @@ SWITCH_DECLARE(switch_status_t) switch_buffer_create_dynamic(switch_buffer_t **b
new_buffer->datalen = start_len;
new_buffer->id = buffer_id++;
new_buffer->blocksize = blocksize;
new_buffer->front = new_buffer->data;
switch_set_flag(new_buffer, SWITCH_BUFFER_FLAG_DYNAMIC);
*buffer = new_buffer;
@@ -163,8 +166,9 @@ SWITCH_DECLARE(switch_size_t) switch_buffer_read(switch_buffer_t *buffer, void *
reading = buffer->used;
}
memcpy(data, buffer->data, reading);
memmove(buffer->data, buffer->data + reading, buffer->datalen - reading);
memcpy(data, buffer->front, reading);
buffer->front += reading;
buffer->used -= reading;
//if (buffer->id == 3) printf("%u o %d = %d\n", buffer->id, (uint32_t)reading, (uint32_t)buffer->used);
return reading;
@@ -180,10 +184,15 @@ SWITCH_DECLARE(switch_size_t) switch_buffer_write(switch_buffer_t *buffer, void
freespace = buffer->datalen - buffer->used;
if (buffer->front != buffer->data) {
memmove(buffer->data, buffer->front, buffer->used);
buffer->front = buffer->data;
}
if (switch_test_flag(buffer, SWITCH_BUFFER_FLAG_DYNAMIC)) {
if (freespace < datalen) {
switch_size_t new_size, new_block_size;
new_size = buffer->datalen + datalen;
new_block_size = buffer->datalen + buffer->blocksize;
@@ -194,7 +203,6 @@ SWITCH_DECLARE(switch_size_t) switch_buffer_write(switch_buffer_t *buffer, void
if (!(buffer->data = realloc(buffer->data, new_size))) {
return 0;
}
buffer->datalen = new_size;
}
}