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Cleanup: Deduplicated code for client moves

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This commit is contained in:
Philipp Schafft 2020-09-29 23:49:57 +00:00
parent 987bdec373
commit 833d666803
1 changed files with 22 additions and 36 deletions
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54
src/source.c
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@ -343,6 +343,24 @@ client_t *source_find_client(source_t *source, int id)
return NULL;
}
static inline void source_move_clients__single(source_t *source, avl_tree *from, avl_tree *to, avl_node *node) {
client_t *client = (client_t*)node->key;
avl_delete(from, client, NULL);
/* when switching a client to a different queue, be wary of the
* refbuf it's referring to, if it's http headers then we need
* to write them so don't release it.
*/
if (client->check_buffer != format_check_http_buffer) {
client_set_queue(client, NULL);
client->check_buffer = format_check_file_buffer;
if (source->con == NULL)
client->intro_offset = -1;
}
avl_insert(to, (void *)client);
}
/* Move clients from source to dest provided dest is running
* and that the stream format is the same.
@ -373,8 +391,6 @@ void source_move_clients(source_t *source, source_t *dest)
do
{
client_t *client;
/* we need to move the client and pending trees - we must take the
* locks in this order to avoid deadlocks */
avl_tree_wlock(source->pending_tree);
@ -399,22 +415,7 @@ void source_move_clients(source_t *source, source_t *dest)
avl_node *node = avl_get_first(source->pending_tree);
if (node == NULL)
break;
client = (client_t *)(node->key);
avl_delete (source->pending_tree, client, NULL);
/* when switching a client to a different queue, be wary of the
* refbuf it's referring to, if it's http headers then we need
* to write them so don't release it.
*/
if (client->check_buffer != format_check_http_buffer)
{
client_set_queue (client, NULL);
client->check_buffer = format_check_file_buffer;
if (source->con == NULL)
client->intro_offset = -1;
}
avl_insert (dest->pending_tree, (void *)client);
source_move_clients__single(source, source->pending_tree, dest->pending_tree, node);
count++;
}
@ -423,22 +424,7 @@ void source_move_clients(source_t *source, source_t *dest)
avl_node *node = avl_get_first(source->client_tree);
if (node == NULL)
break;
client = (client_t *)(node->key);
avl_delete (source->client_tree, client, NULL);
/* when switching a client to a different queue, be wary of the
* refbuf it's referring to, if it's http headers then we need
* to write them so don't release it.
*/
if (client->check_buffer != format_check_http_buffer)
{
client_set_queue (client, NULL);
client->check_buffer = format_check_file_buffer;
if (source->con == NULL)
client->intro_offset = -1;
}
avl_insert (dest->pending_tree, (void *)client);
source_move_clients__single(source, source->client_tree, dest->pending_tree, node);
count++;
}
ICECAST_LOG_INFO("passing %lu listeners to \"%s\"", count, dest->mount);