X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fust-core.c;h=76f729a6720af105a7f120780ed2da16430b8e11;hb=HEAD;hp=19f62840d66fe73cff9a7fb557b53f3aad9bf4de;hpb=daacdbfc04fe07ecff0a0d1878b4f48d38912c78;p=lttng-ust.git diff --git a/liblttng-ust/ust-core.c b/liblttng-ust/ust-core.c deleted file mode 100644 index 19f62840..00000000 --- a/liblttng-ust/ust-core.c +++ /dev/null @@ -1,139 +0,0 @@ -/* - * SPDX-License-Identifier: LGPL-2.1-only - * - * Copyright (C) 2011 Mathieu Desnoyers - */ - -#define _LGPL_SOURCE -#include -#include -#include - -#include "ust-events-internal.h" -#include -#include "lttng-tracer-core.h" -#include "jhash.h" - -static CDS_LIST_HEAD(lttng_transport_list); -static CDS_LIST_HEAD(lttng_counter_transport_list); - -struct lttng_transport *lttng_ust_transport_find(const char *name) -{ - struct lttng_transport *transport; - - cds_list_for_each_entry(transport, <tng_transport_list, node) { - if (!strcmp(transport->name, name)) - return transport; - } - return NULL; -} - -struct lttng_counter_transport *lttng_counter_transport_find(const char *name) -{ - struct lttng_counter_transport *transport; - - cds_list_for_each_entry(transport, <tng_counter_transport_list, node) { - if (!strcmp(transport->name, name)) - return transport; - } - return NULL; -} - -/** - * lttng_transport_register - LTT transport registration - * @transport: transport structure - * - * Registers a transport which can be used as output to extract the data out of - * LTTng. Called with ust_lock held. - */ -void lttng_transport_register(struct lttng_transport *transport) -{ - cds_list_add_tail(&transport->node, <tng_transport_list); -} - -/** - * lttng_transport_unregister - LTT transport unregistration - * @transport: transport structure - * Called with ust_lock held. - */ -void lttng_transport_unregister(struct lttng_transport *transport) -{ - cds_list_del(&transport->node); -} - -/** - * lttng_counter_transport_register - LTTng counter transport registration - * @transport: transport structure - * - * Registers a counter transport which can be used as output to extract - * the data out of LTTng. Called with ust_lock held. - */ -void lttng_counter_transport_register(struct lttng_counter_transport *transport) -{ - cds_list_add_tail(&transport->node, <tng_counter_transport_list); -} - -/** - * lttng_counter_transport_unregister - LTTng counter transport unregistration - * @transport: transport structure - * Called with ust_lock held. - */ -void lttng_counter_transport_unregister(struct lttng_counter_transport *transport) -{ - cds_list_del(&transport->node); -} - -/* - * Needed by comm layer. - */ -struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_session *session, - const struct lttng_ust_enum_desc *enum_desc) -{ - struct lttng_enum *_enum; - struct cds_hlist_head *head; - struct cds_hlist_node *node; - size_t name_len = strlen(enum_desc->name); - uint32_t hash; - - hash = jhash(enum_desc->name, name_len, 0); - head = &session->priv->enums_ht.table[hash & (LTTNG_UST_ENUM_HT_SIZE - 1)]; - cds_hlist_for_each_entry(_enum, node, head, hlist) { - assert(_enum->desc); - if (_enum->desc == enum_desc) - return _enum; - } - return NULL; -} - -size_t lttng_ust_dummy_get_size(struct lttng_ust_ctx_field *field, size_t offset) -{ - size_t size = 0; - - size += lib_ring_buffer_align(offset, lttng_alignof(char)); - size += sizeof(char); /* tag */ - return size; -} - -void lttng_ust_dummy_record(struct lttng_ust_ctx_field *field, - struct lttng_ust_lib_ring_buffer_ctx *ctx, - struct lttng_channel *chan) -{ - char sel_char = (char) LTTNG_UST_DYNAMIC_TYPE_NONE; - - lib_ring_buffer_align_ctx(ctx, lttng_alignof(sel_char)); - chan->ops->event_write(ctx, &sel_char, sizeof(sel_char)); -} - -void lttng_ust_dummy_get_value(struct lttng_ust_ctx_field *field, - struct lttng_ust_ctx_value *value) -{ - value->sel = LTTNG_UST_DYNAMIC_TYPE_NONE; -} - -int lttng_context_is_app(const char *name) -{ - if (strncmp(name, "$app.", strlen("$app.")) != 0) { - return 0; - } - return 1; -}