TEST_F(GQueueTest, pushTailLink)
{
int testData1 = 42;
int testData2 = 1337;
GList *list = g_list_prepend(NULL, &testData1);
g_queue_push_tail_link(queue, list);
ASSERT_TRUE(queue->head != NULL) << "queue head should not be NULL after inserting an element";
ASSERT_EQ(queue->head, queue->tail) << "queue tail should be equal to head after inserting an element";
ASSERT_EQ(&testData1, queue->head->data) << "queue element data should be set correctly";
ASSERT_TRUE(queue->head->next == NULL) << "queue head should not have a next element after inserting one";
ASSERT_TRUE(queue->head->prev == NULL) << "queue tail should not have a next element after inserting one";
ASSERT_EQ(1, queue->length) << "queue length should be one after inserting an element";
list = g_list_prepend(NULL, &testData2);
g_queue_push_tail_link(queue, list);
ASSERT_TRUE(queue->head != NULL) << "queue head should not be NULL after inserting another element";
ASSERT_NE(queue->head, queue->tail) << "queue tail should not be equal to head after inserting another element";
ASSERT_EQ(&testData1, queue->head->data) << "second queue element data should be set correctly";
ASSERT_EQ(queue->tail, queue->head->next) << "second queue head should have tail as next element";
ASSERT_TRUE(queue->head->prev == NULL) << "queue head should not have a previous element";
ASSERT_EQ(&testData2, queue->tail->data) << "queue tail data should be set correctly";
ASSERT_EQ(queue->head, queue->tail->prev) << "queue tail should have head as previous element";
ASSERT_TRUE(queue->tail->next == NULL) << "queue tail should not have a next element";
ASSERT_EQ(2, queue->length) << "queue length should be two after inserting another element";
}
static void throttle_register(liThrottlePoolWorkerState *pwstate, liThrottlePoolState *pstate) {
if (NULL == pstate->pool_link.data) {
g_queue_push_tail_link(&pwstate->waiting, &pstate->pool_link);
pstate->pool_link.data = &pwstate->waiting;
g_atomic_int_inc((gint*) &pwstate->connections);
}
}
void
sql_reserved_query_move_to_tail(sql_reserved_query *srq, reserved_query_item *rqi)
{
GList *to_tail = rqi->list_pos;
GQueue *gq = NULL;
reserved_query_item *rm_rqi = NULL;
int ret = 0;
if (srq == NULL || to_tail == NULL) return;
ret = g_queue_link_index(srq->gq_reserved_long_query, to_tail);
gq = (ret != -1) ? (srq->gq_reserved_long_query) : (srq->gq_reserved_short_query);
if (g_queue_get_length(gq) == 0) return ;
if (to_tail != gq->tail)
{
g_queue_unlink(gq, to_tail);
g_queue_push_tail_link(gq, to_tail);
rqi->list_pos = g_queue_peek_tail_link(gq);
}
#ifdef FILTER_DEBUG
g_queue_travel(srq->gq_reserved_long_query);
g_queue_travel(srq->gq_reserved_short_query);
#endif
return ;
}
/* steal the first chunk from in and append it to out, return number of bytes stolen */
goffset li_chunkqueue_steal_chunk(liChunkQueue *out, liChunkQueue *in) {
liChunk *c;
goffset length;
GList *l = g_queue_pop_head_link(&in->queue);
if (!l) return 0;
g_queue_push_tail_link(&out->queue, l);
c = (liChunk*) l->data;
length = li_chunk_length(c);
in->bytes_out += length;
in->length -= length;
out->bytes_in += length;
out->length += length;
if (in->limit != out->limit) {
if (c->type == STRING_CHUNK) {
cqlimit_update(out, c->data.str->len);
cqlimit_update(in, - (goffset)c->data.str->len);
} else if (c->type == MEM_CHUNK) {
cqlimit_update(out, c->mem->len);
cqlimit_update(in, - (goffset)c->mem->len);
} else if (c->type == BUFFER_CHUNK) {
cqlimit_update(out, c->data.buffer.length);
cqlimit_update(in, - (goffset)c->data.buffer.length);
}
}
return length;
}
static void
queue_insert_after_link (GQueue *queue,
GList *sibling,
GList *link_)
{
if (sibling == queue->tail)
g_queue_push_tail_link (queue, link_);
else
queue_insert_before_link (queue, sibling->next, link_);
}
static void __chunkqueue_append_file(liChunkQueue *cq, GString *filename, off_t start, off_t length, int fd, gboolean is_temp) {
liChunk *c = chunk_new();
c->type = FILE_CHUNK;
c->data.file.file = li_chunkfile_new(filename, fd, is_temp);
c->data.file.start = start;
c->data.file.length = length;
g_queue_push_tail_link(&cq->queue, &c->cq_link);
cq->length += length;
cq->bytes_in += length;
}
/* memory gets copied */
void li_chunkqueue_append_mem(liChunkQueue *cq, const void *mem, gssize len) {
liChunk *c;
if (!len) return;
c = chunk_new();
c->type = MEM_CHUNK;
c->mem = g_byte_array_sized_new(len);
g_byte_array_append(c->mem, mem, len);
g_queue_push_tail_link(&cq->queue, &c->cq_link);
cq->length += c->mem->len;
cq->bytes_in += c->mem->len;
cqlimit_update(cq, c->mem->len);
}
/* pass ownership of mem to chunkqueue, do not free/modify it afterwards
* you may modify the data (not the length) if you are sure it isn't sent before.
* if the length is NULL, mem is destroyed immediately
*/
void li_chunkqueue_append_bytearr(liChunkQueue *cq, GByteArray *mem) {
liChunk *c;
if (!mem->len) {
g_byte_array_free(mem, TRUE);
return;
}
c = chunk_new();
c->type = MEM_CHUNK;
c->mem = mem;
g_queue_push_tail_link(&cq->queue, &c->cq_link);
cq->length += mem->len;
cq->bytes_in += mem->len;
cqlimit_update(cq, mem->len);
}
/* pass ownership of str to chunkqueue, do not free/modify it afterwards
* you may modify the data (not the length) if you are sure it isn't sent before.
* if the length is NULL, str is destroyed immediately
*/
void li_chunkqueue_append_string(liChunkQueue *cq, GString *str) {
liChunk *c;
if (!str->len) {
g_string_free(str, TRUE);
return;
}
c = chunk_new();
c->type = STRING_CHUNK;
c->data.str = str;
g_queue_push_tail_link(&cq->queue, &c->cq_link);
cq->length += str->len;
cq->bytes_in += str->len;
cqlimit_update(cq, str->len);
}
/* increases reference for cf (if length > 0) */
void li_chunkqueue_append_chunkfile(liChunkQueue *cq, liChunkFile *cf, off_t start, off_t length) {
if (length) {
liChunk *c = chunk_new();
li_chunkfile_acquire(cf);
c->type = FILE_CHUNK;
c->data.file.file = cf;
c->data.file.start = start;
c->data.file.length = length;
g_queue_push_tail_link(&cq->queue, &c->cq_link);
cq->length += length;
cq->bytes_in += length;
}
}
static gboolean push_request(liMemcachedCon *con, int_request *req, GError **err) {
UNUSED(err);
li_memcached_con_acquire(con);
send_request(con, req);
req->iter.data = req;
g_queue_push_tail_link(&con->req_queue, &req->iter);
memcached_start_io(con);
li_event_io_set_events(&con->con_watcher, LI_EV_READ | LI_EV_WRITE);
return TRUE;
}
/* pass ownership of one buffer reference to chunkqueue
* if the length is NULL, reference is released immediately
*/
void li_chunkqueue_append_buffer(liChunkQueue *cq, liBuffer *buffer) {
liChunk *c;
if (!buffer->used) {
li_buffer_release(buffer);
return;
}
c = chunk_new();
c->type = BUFFER_CHUNK;
c->data.buffer.buffer = buffer;
c->data.buffer.offset = 0;
c->data.buffer.length = buffer->used;
g_queue_push_tail_link(&cq->queue, &c->cq_link);
cq->length += buffer->used;
cq->bytes_in += buffer->used;
cqlimit_update(cq, buffer->used);
}
void li_chunkqueue_append_buffer2(liChunkQueue *cq, liBuffer *buffer, gsize offset, gsize length) {
liChunk *c;
if (length == 0) {
li_buffer_release(buffer);
return;
}
assert(offset + length <= buffer->used);
c = chunk_new();
c->type = BUFFER_CHUNK;
c->data.buffer.buffer = buffer;
c->data.buffer.offset = offset;
c->data.buffer.length = length;
g_queue_push_tail_link(&cq->queue, &c->cq_link);
cq->length += length;
cq->bytes_in += length;
cqlimit_update(cq, length);
}
void
joy_gfx3d_screen_lower_window(JoyScreen *self, JoyBubble *window)
{
struct Private *priv = GET_PRIVATE(self);
if (G_UNLIKELY(!priv->windows)) {
return;
}
gint n = g_queue_index(priv->windows, window);
if (G_UNLIKELY(-1 == n)) {
return;
}
GList *node = g_queue_pop_nth_link(priv->windows, n);
if (G_UNLIKELY(!node)) {
return;
}
g_queue_push_tail_link(priv->windows, node);
}
void li_event_add_closing_socket(liEventLoop *loop, int fd) {
closing_socket *cs;
if (-1 == fd) return;
shutdown(fd, SHUT_WR);
if (loop->end) {
close(fd);
return;
}
cs = g_slice_new0(closing_socket);
cs->loop = loop;
cs->fd = fd;
g_queue_push_tail_link(&loop->closing_sockets, &cs->sockets_link);
cs->close_timeout = li_event_now(loop) + 10.0;
ev_once(loop->loop, fd, EV_READ, 10.0, closing_socket_cb, cs);
}
static lua_config* lua_config_new(liServer *srv, liPlugin *p, GString *filename, guint ttl, liValue *args) {
module_config *mc = p->data;
lua_config *conf = g_slice_new0(lua_config);
conf->filename = filename;
conf->ttl = ttl;
conf->p = p;
conf->args = args;
lua_find_file(filename);
if (LI_SERVER_INIT != g_atomic_int_get(&srv->state)) {
conf->worker_config = g_slice_alloc0(sizeof(lua_worker_config) * srv->worker_count);
} else {
conf->mconf_link.data = conf;
g_queue_push_tail_link(&mc->lua_configs, &conf->mconf_link);
}
return conf;
}
static void
cogland_surface_frame (struct wl_client *client,
struct wl_resource *surface_resource,
uint32_t callback_id)
{
CoglandFrameCallback *callback;
CoglandSurface *surface = surface_resource->data;
callback = g_slice_new0 (CoglandFrameCallback);
callback->compositor = surface->compositor;
callback->node.data = callback;
callback->resource.object.interface = &wl_callback_interface;
callback->resource.object.id = callback_id;
callback->resource.destroy = destroy_frame_callback;
callback->resource.data = callback;
wl_client_add_resource (client, &callback->resource);
g_queue_push_tail_link (&surface->compositor->frame_callbacks,
&callback->node);
}
/**
* g_queue_push_nth_link:
* @queue: a #GQueue
* @n: the position to insert the link. If this is negative or larger than
* the number of elements in @queue, the link is added to the end of
* @queue.
* @link_: the link to add to @queue
*
* Inserts @link into @queue at the given position.
*
* Since: 2.4
**/
void
g_queue_push_nth_link (GQueue *queue,
gint n,
GList *link_)
{
GList *next;
GList *prev;
g_return_if_fail (queue != NULL);
g_return_if_fail (link_ != NULL);
if (n < 0 || n >= queue->length)
{
g_queue_push_tail_link (queue, link_);
return;
}
g_assert (queue->head);
g_assert (queue->tail);
next = g_queue_peek_nth_link (queue, n);
prev = next->prev;
if (prev)
prev->next = link_;
next->prev = link_;
link_->next = next;
link_->prev = prev;
if (queue->head->prev)
queue->head = queue->head->prev;
if (queue->tail->next)
queue->tail = queue->tail->next;
queue->length++;
}
void li_job_later(liJobQueue *jq, liJob *job) {
if (NULL != job->link.data) return; /* already queued */
job->link.data = jq;
g_queue_push_tail_link(&jq->queue, &job->link);
}
static memcached_ctx* mc_ctx_parse(liServer *srv, liPlugin *p, liValue *config) {
memcached_ctx *ctx;
memcached_config *mconf = p->data;
GString def_server = li_const_gstring(CONST_STR_LEN("127.0.0.1:11211"));
if (config && config->type != LI_VALUE_HASH) {
ERROR(srv, "%s", "memcache expects an optional hash of options");
return NULL;
}
ctx = g_slice_new0(memcached_ctx);
ctx->srv = srv;
ctx->refcount = 1;
ctx->p = p;
ctx->addr = li_sockaddr_from_string(&def_server, 11211);
ctx->pattern = li_pattern_new(srv, "%{req.path}");
ctx->flags = 0;
ctx->ttl = 30;
ctx->maxsize = 64*1024; /* 64 kB */
ctx->headers = FALSE;
if (config) {
GHashTable *ht = config->data.hash;
GHashTableIter it;
gpointer pkey, pvalue;
g_hash_table_iter_init(&it, ht);
while (g_hash_table_iter_next(&it, &pkey, &pvalue)) {
GString *key = pkey;
liValue *value = pvalue;
if (g_string_equal(key, &mon_server)) {
if (value->type != LI_VALUE_STRING) {
ERROR(srv, "memcache option '%s' expects string as parameter", mon_server.str);
goto option_failed;
}
li_sockaddr_clear(&ctx->addr);
ctx->addr = li_sockaddr_from_string(value->data.string, 11211);
if (NULL == ctx->addr.addr) {
ERROR(srv, "invalid socket address: '%s'", value->data.string->str);
goto option_failed;
}
} else if (g_string_equal(key, &mon_key)) {
if (value->type != LI_VALUE_STRING) {
ERROR(srv, "memcache option '%s' expects string as parameter", mon_key.str);
goto option_failed;
}
li_pattern_free(ctx->pattern);
ctx->pattern = li_pattern_new(srv, value->data.string->str);
if (NULL == ctx->pattern) {
ERROR(srv, "memcache: couldn't parse pattern for key '%s'", value->data.string->str);
goto option_failed;
}
} else if (g_string_equal(key, &mon_flags)) {
if (value->type != LI_VALUE_NUMBER || value->data.number <= 0) {
ERROR(srv, "memcache option '%s' expects positive integer as parameter", mon_flags.str);
goto option_failed;
}
ctx->flags = value->data.number;
} else if (g_string_equal(key, &mon_ttl)) {
if (value->type != LI_VALUE_NUMBER || value->data.number < 0) {
ERROR(srv, "memcache option '%s' expects non-negative integer as parameter", mon_ttl.str);
goto option_failed;
}
ctx->ttl = value->data.number;
} else if (g_string_equal(key, &mon_maxsize)) {
if (value->type != LI_VALUE_NUMBER || value->data.number <= 0) {
ERROR(srv, "memcache option '%s' expects positive integer as parameter", mon_maxsize.str);
goto option_failed;
}
ctx->maxsize = value->data.number;
} else if (g_string_equal(key, &mon_headers)) {
if (value->type != LI_VALUE_BOOLEAN) {
ERROR(srv, "memcache option '%s' expects boolean as parameter", mon_headers.str);
goto option_failed;
}
ctx->headers = value->data.boolean;
if (ctx->headers) {
ERROR(srv, "%s", "memcache: lookup/storing headers not supported yet");
goto option_failed;
}
} else {
ERROR(srv, "unknown option for memcache '%s'", key->str);
goto option_failed;
}
}
}
if (LI_SERVER_INIT != g_atomic_int_get(&srv->state)) {
ctx->worker_client_ctx = g_slice_alloc0(sizeof(liMemcachedCon*) * srv->worker_count);
} else {
ctx->mconf_link.data = ctx;
g_queue_push_tail_link(&mconf->prepare_ctx, &ctx->mconf_link);
}
return ctx;
option_failed:
mc_ctx_release(NULL, ctx);
return NULL;
}
static void
_eventd_nd_notification_refresh_list(EventdPluginContext *context, EventdNdQueue *queue)
{
if ( queue->more_notification != NULL )
{
g_queue_pop_tail_link(queue->queue);
queue->more_notification->visible = FALSE;
}
while ( ( g_queue_get_length(queue->queue) < queue->limit ) && ( ! g_queue_is_empty(queue->wait_queue) ) )
{
GList *link;
link = g_queue_pop_head_link(queue->wait_queue);
if ( queue->reverse )
g_queue_push_tail_link(queue->queue, link);
else
g_queue_push_head_link(queue->queue, link);
EventdNdNotification *self = link->data;
gint timeout;
timeout = eventd_nd_style_get_bubble_timeout(self->style);
if ( timeout > 0 )
self->timeout = g_timeout_add_full(G_PRIORITY_DEFAULT, timeout, _eventd_nd_event_timedout, self, NULL);
self->visible = TRUE;
}
if ( queue->more_indicator )
{
if ( ! g_queue_is_empty(queue->wait_queue) )
{
if ( queue->more_notification == NULL )
queue->more_notification = eventd_nd_notification_new(context, NULL, context->style);
else
{
_eventd_nd_notification_update(queue->more_notification, NULL);
g_queue_push_tail_link(queue->queue, queue->more_notification->link);
}
queue->more_notification->visible = TRUE;
}
else if ( queue->more_notification != NULL )
eventd_nd_notification_free(queue->more_notification);
}
gpointer data = NULL;
if ( context->backend->move_begin != NULL )
data = context->backend->move_begin(context->backend->context, g_queue_get_length(queue->queue));
gboolean right, center, bottom;
right = ( queue->anchor == EVENTD_ND_ANCHOR_TOP_RIGHT ) || ( queue->anchor == EVENTD_ND_ANCHOR_BOTTOM_RIGHT );
center = ( queue->anchor == EVENTD_ND_ANCHOR_TOP ) || ( queue->anchor == EVENTD_ND_ANCHOR_BOTTOM );
bottom = ( queue->anchor == EVENTD_ND_ANCHOR_BOTTOM_LEFT ) || ( queue->anchor == EVENTD_ND_ANCHOR_BOTTOM ) || ( queue->anchor == EVENTD_ND_ANCHOR_BOTTOM_RIGHT );
gint bx, by;
bx = queue->margin_x;
by = queue->margin_y;
if ( center )
bx = context->geometry.w;
else if ( right )
bx = context->geometry.w - bx;
if ( bottom )
by = context->geometry.h - by;
GList *self_;
for ( self_ = g_queue_peek_head_link(queue->queue) ; self_ != NULL ; self_ = g_list_next(self_) )
{
EventdNdNotification *self = self_->data;
if ( bottom )
by -= self->border_size.height;
gint x, y;
x = center ? ( ( bx / 2 ) - ( self->border_size.width / 2 ) ) : right ? ( bx - self->border_size.width ) : bx;
y = by;
x -= self->offset.x;
y -= self->offset.y;
context->backend->move_surface(self->surface, x, y, data);
if ( bottom )
by -= queue->spacing;
else
by += self->border_size.height + queue->spacing;
}
if ( context->backend->move_end != NULL )
context->backend->move_end(context->backend->context, data);
}
static void
dspy_introspection_model_init_parse_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
DspyIntrospectionModel *self = (DspyIntrospectionModel *)object;
g_autoptr(Introspect) state = user_data;
g_autoptr(GError) error = NULL;
DspyNodeInfo *info = NULL;
GCancellable *cancellable;
gint *n_active;
g_assert (DSPY_IS_INTROSPECTION_MODEL (self));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (state != NULL);
g_assert (G_IS_TASK (state->task));
g_assert (state->path != NULL);
self = g_task_get_source_object (state->task);
n_active = g_task_get_task_data (state->task);
cancellable = g_task_get_cancellable (state->task);
g_assert (self != NULL);
g_assert (DSPY_IS_INTROSPECTION_MODEL (self));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
g_assert (n_active != NULL);
g_assert (*n_active > 0);
if ((info = parse_xml_finish (self, result, &error)))
{
g_assert (DSPY_IS_NODE (info));
g_assert (info->kind == DSPY_NODE_KIND_NODE);
/* First, queue a bunch of sub-path reads based on any discovered
* nodes from querying this specific node.
*/
for (const GList *iter = info->nodes.head; iter; iter = iter->next)
{
DspyNodeInfo *child = iter->data;
g_autofree gchar *child_path = NULL;
g_assert (child != NULL);
g_assert (DSPY_IS_NODE (child));
g_assert (child->kind == DSPY_NODE_KIND_NODE);
child_path = g_build_path ("/", state->path, child->path, NULL);
dspy_introspection_model_introspect (state->task, state->connection, child_path);
}
/* Now add this node to our root if it contains any intefaces. */
if (info->interfaces->interfaces.length > 0)
{
g_autofree gchar *abs_path = g_build_path ("/", state->path, info->path, NULL);
g_mutex_lock (&self->chunks_mutex);
info->path = g_string_chunk_insert_const (self->chunks, abs_path);
g_mutex_unlock (&self->chunks_mutex);
g_queue_push_tail_link (&self->root->nodes, &info->link);
info->parent = (DspyNode *)self->root;
emit_row_inserted_for_tree (self, (DspyNode *)info);
/* Stolen */
info = NULL;
}
g_clear_pointer (&info, _dspy_node_free);
}
if (--(*n_active) == 0)
g_task_return_boolean (state->task, TRUE);
}
/* steal up to length bytes from in and put them into out, return number of bytes stolen */
goffset li_chunkqueue_steal_len(liChunkQueue *out, liChunkQueue *in, goffset length) {
liChunk *c, *cnew;
GList* l;
goffset bytes = 0, meminbytes = 0, memoutbytes = 0;
goffset we_have;
while ( (NULL != (c = li_chunkqueue_first_chunk(in))) && length > 0 ) {
we_have = li_chunk_length(c);
if (!we_have) { /* remove empty chunks */
if (c->type == STRING_CHUNK) meminbytes -= c->data.str->len;
else if (c->type == MEM_CHUNK) meminbytes -= c->mem->len;
else if (c->type == BUFFER_CHUNK) meminbytes -= c->data.buffer.length;
chunk_free(in, c);
continue;
}
if (we_have <= length) { /* move complete chunk */
l = g_queue_pop_head_link(&in->queue);
g_queue_push_tail_link(&out->queue, l);
bytes += we_have;
if (c->type == STRING_CHUNK) {
meminbytes -= c->data.str->len;
memoutbytes += c->data.str->len;
} else if (c->type == MEM_CHUNK) {
meminbytes -= c->mem->len;
memoutbytes += c->mem->len;
} else if (c->type == BUFFER_CHUNK) {
meminbytes -= c->data.buffer.length;
memoutbytes += c->data.buffer.length;
}
length -= we_have;
} else { /* copy first part of a chunk */
cnew = chunk_new();
switch (c->type) {
case UNUSED_CHUNK: /* impossible, has length 0 */
/* remove "empty" chunks */
chunk_free(in, c);
chunk_free(NULL, cnew);
continue;
case STRING_CHUNK: /* change type to MEM_CHUNK, as we copy it anyway */
cnew->type = MEM_CHUNK;
cnew->mem = g_byte_array_sized_new(length);
g_byte_array_append(cnew->mem, (guint8*) c->data.str->str + c->offset, length);
memoutbytes += length;
break;
case MEM_CHUNK:
cnew->type = MEM_CHUNK;
cnew->mem = g_byte_array_sized_new(length);
g_byte_array_append(cnew->mem, (guint8*) c->mem->data + c->offset, length);
memoutbytes += length;
break;
case FILE_CHUNK:
cnew->type = FILE_CHUNK;
li_chunkfile_acquire(c->data.file.file);
cnew->data.file.file = c->data.file.file;
cnew->data.file.start = c->data.file.start + c->offset;
cnew->data.file.length = length;
break;
case BUFFER_CHUNK:
cnew->type = BUFFER_CHUNK;
li_buffer_acquire(c->data.buffer.buffer);
cnew->data.buffer.buffer = c->data.buffer.buffer;
cnew->data.buffer.offset = c->data.buffer.offset + c->offset;
cnew->data.buffer.length = length;
memoutbytes += length;
break;
}
c->offset += length;
bytes += length;
length = 0;
g_queue_push_tail_link(&out->queue, &cnew->cq_link);
}
}
in->bytes_out += bytes;
in->length -= bytes;
out->bytes_in += bytes;
out->length += bytes;
cqlimit_update(out, memoutbytes);
cqlimit_update(in, meminbytes);
return bytes;
}