*
*/
+#include "lttng/domain.h"
#define _LGPL_SOURCE
#include <assert.h>
#include <grp.h>
#include <lttng/event-internal.h>
#include <lttng/health-internal.h>
#include <lttng/lttng.h>
+#include <lttng/map/map-internal.h>
+#include <lttng/map/map-query-internal.h>
#include <lttng/session-descriptor-internal.h>
#include <lttng/session-internal.h>
#include <lttng/trigger/trigger-internal.h>
}
ret = lttng_dynamic_buffer_append(&payload.buffer,
- *(exclusion_list + i), LTTNG_SYMBOL_NAME_LEN);
+ exclusion_list[i], exclusion_len);
if (ret) {
goto mem_error;
}
+
+ for (int i = 0; i < (LTTNG_SYMBOL_NAME_LEN - exclusion_len); i++) {
+ char c = 0;
+
+ lttng_dynamic_buffer_append(&payload.buffer, &c, 1);
+ }
}
/* Add filter expression next. */
return ret;
}
+enum lttng_error_code lttng_add_map(struct lttng_handle *handle,
+ struct lttng_map *map)
+{
+
+ int ret;
+ enum lttng_error_code ret_code;
+ struct lttcomm_session_msg lsm = {
+ .cmd_type = LTTNG_ADD_MAP,
+ };
+ struct lttcomm_session_msg *message_lsm;
+ struct lttng_payload message;
+ struct lttng_payload reply;
+
+ lttng_payload_init(&message);
+ lttng_payload_init(&reply);
+
+ if (!map) {
+ ret_code = LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ lsm.domain.type = lttng_map_get_domain(map);
+
+ lttng_strncpy(lsm.session.name, handle->session_name,
+ sizeof(lsm.session.name));
+
+ ret = lttng_dynamic_buffer_append(&message.buffer, &lsm, sizeof(lsm));
+ if (ret) {
+ ret_code = LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ message_lsm = (struct lttcomm_session_msg *) message.buffer.data;
+
+ ret = lttng_map_serialize(map, &message);
+ if (ret < 0) {
+ ret_code = LTTNG_ERR_UNK;
+ goto end;
+ }
+
+ message_lsm->u.add_map.length = (uint32_t) message.buffer.size - sizeof(lsm);
+
+ {
+ struct lttng_payload_view message_view =
+ lttng_payload_view_from_payload(&message, 0, -1);
+
+ message_lsm->fd_count = lttng_payload_view_get_fd_handle_count(
+ &message_view);
+
+ ret = lttng_ctl_ask_sessiond_payload(&message_view, &reply);
+ if (ret < 0) {
+ ret_code = ret;
+ goto end;
+ }
+ }
+
+ ret_code = LTTNG_OK;
+
+end:
+ lttng_payload_reset(&message);
+ lttng_payload_reset(&reply);
+ return ret_code;
+}
+
+enum lttng_error_code lttng_enable_map(struct lttng_handle *handle,
+ const char *map_name)
+{
+ int ret;
+ enum lttng_error_code ret_code;
+ struct lttcomm_session_msg lsm;
+ struct lttng_payload message;
+ struct lttng_payload_view lsm_view =
+ lttng_payload_view_init_from_buffer(
+ (const char *) &lsm, 0, sizeof(lsm));
+ struct lttng_payload reply;
+
+ lttng_payload_init(&message);
+ lttng_payload_init(&reply);
+
+ memset(&lsm, 0, sizeof(lsm));
+ lsm.cmd_type = LTTNG_ENABLE_MAP;
+
+ COPY_DOMAIN_PACKED(lsm.domain, handle->domain);
+
+ ret = lttng_strncpy(lsm.session.name, handle->session_name,
+ sizeof(lsm.session.name));
+ if (ret) {
+ ret_code = LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ ret = lttng_strncpy(lsm.u.enable_map.map_name, map_name,
+ sizeof(lsm.u.enable_map.map_name));
+ if (ret) {
+ ret_code = LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ ret = lttng_dynamic_buffer_append(&message.buffer, &lsm, sizeof(lsm));
+ if (ret) {
+ ret_code = LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ ret = lttng_ctl_ask_sessiond_payload(&lsm_view, &reply);
+ if (ret < 0) {
+ ret_code = LTTNG_ERR_UNK;
+ goto end;
+ }
+
+ ret_code = LTTNG_OK;
+
+end:
+ lttng_payload_reset(&message);
+ lttng_payload_reset(&reply);
+ return ret_code;
+}
+
+enum lttng_error_code lttng_disable_map(struct lttng_handle *handle,
+ const char *map_name)
+{
+ int ret;
+ enum lttng_error_code ret_code;
+ struct lttcomm_session_msg lsm;
+ struct lttng_payload message;
+ struct lttng_payload_view lsm_view =
+ lttng_payload_view_init_from_buffer(
+ (const char *) &lsm, 0, sizeof(lsm));
+ struct lttng_payload reply;
+
+ lttng_payload_init(&message);
+ lttng_payload_init(&reply);
+
+ memset(&lsm, 0, sizeof(lsm));
+ lsm.cmd_type = LTTNG_DISABLE_MAP;
+
+ COPY_DOMAIN_PACKED(lsm.domain, handle->domain);
+
+ ret = lttng_strncpy(lsm.session.name, handle->session_name,
+ sizeof(lsm.session.name));
+ if (ret) {
+ ret_code = LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ ret = lttng_strncpy(lsm.u.disable_map.map_name, map_name,
+ sizeof(lsm.u.disable_map.map_name));
+ if (ret) {
+ ret_code = LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ ret = lttng_dynamic_buffer_append(&message.buffer, &lsm, sizeof(lsm));
+ if (ret) {
+ ret_code = LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ ret = lttng_ctl_ask_sessiond_payload(&lsm_view, &reply);
+ if (ret < 0) {
+ ret_code = LTTNG_ERR_UNK;
+ goto end;
+ }
+
+ ret_code = LTTNG_OK;
+
+end:
+ lttng_payload_reset(&message);
+ lttng_payload_reset(&reply);
+ return ret_code;
+}
+
/*
* All tracing will be stopped for registered events of the channel.
* Returns size of returned session payload data or a negative error code.
return ret;
}
+enum lttng_error_code lttng_list_maps(struct lttng_handle *handle,
+ struct lttng_map_list **map_list)
+{
+ int ret;
+ enum lttng_error_code ret_code = LTTNG_OK;
+ struct lttcomm_session_msg lsm = { .cmd_type = LTTNG_LIST_MAPS };
+ struct lttng_map_list *local_map_list = NULL;
+ struct lttng_payload reply;
+ struct lttng_payload_view lsm_view =
+ lttng_payload_view_init_from_buffer(
+ (const char *) &lsm, 0, sizeof(lsm));
+
+ lttng_payload_init(&reply);
+
+ if (handle == NULL) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ ret = lttng_strncpy(lsm.session.name, handle->session_name,
+ sizeof(lsm.session.name));
+ if (ret) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ COPY_DOMAIN_PACKED(lsm.domain, handle->domain);
+
+ ret = lttng_ctl_ask_sessiond_payload(&lsm_view, &reply);
+ if (ret < 0) {
+ ret_code = (enum lttng_error_code) -ret;
+ goto end;
+ }
+
+ {
+ struct lttng_payload_view reply_view =
+ lttng_payload_view_from_payload(
+ &reply, 0, reply.buffer.size);
+
+ ret = lttng_map_list_create_from_payload(
+ &reply_view, &local_map_list);
+ if (ret < 0) {
+ ret_code = LTTNG_ERR_FATAL;
+ goto end;
+ }
+ }
+
+ *map_list = local_map_list;
+ local_map_list = NULL;
+end:
+ lttng_payload_reset(&reply);
+ lttng_map_list_destroy(local_map_list);
+ return ret_code;
+}
+
/*
* Ask the session daemon for all available events of a session channel.
* Sets the contents of the events array.
return ret_code;
}
+/*
+ * Ask the session daemon for all values for a given map.
+ * On error, returns a negative value.
+ */
+enum lttng_error_code lttng_list_map_content(
+ struct lttng_handle *handle, const struct lttng_map *map,
+ const struct lttng_map_query *map_query,
+ struct lttng_map_content **map_content)
+{
+ struct lttcomm_session_msg lsm = {
+ .cmd_type = LTTNG_LIST_MAP_VALUES,
+ };
+ struct lttcomm_session_msg *message_lsm;
+ struct lttng_payload message;
+ struct lttng_payload reply;
+ enum lttng_error_code ret;
+ struct lttng_map_content *local_map_content = NULL;
+ uint32_t map_length, map_query_length;
+
+ lttng_payload_init(&message);
+ lttng_payload_init(&reply);
+
+ if (!map || !map_query) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ lsm.domain.type = handle->domain.type;
+ ret = lttng_strncpy(lsm.session.name, handle->session_name,
+ sizeof(lsm.session.name));
+ if (ret) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ ret = lttng_dynamic_buffer_append(&message.buffer, &lsm, sizeof(lsm));
+ if (ret) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ ret = lttng_map_serialize(map, &message);
+ if (ret < 0) {
+ ret = -LTTNG_ERR_UNK;
+ goto end;
+ }
+
+ map_length = (uint32_t) message.buffer.size - sizeof(lsm);
+
+ ret = lttng_map_query_serialize(map_query, &message);
+ if (ret < 0) {
+ ret = -LTTNG_ERR_UNK;
+ goto end;
+ }
+ map_query_length = (uint32_t) message.buffer.size - map_length - sizeof(lsm);
+
+ message_lsm = (struct lttcomm_session_msg *) message.buffer.data;
+ message_lsm->u.list_map_values.map_length = map_length;
+ message_lsm->u.list_map_values.query_length = map_query_length;
+ {
+ struct lttng_payload_view message_view =
+ lttng_payload_view_from_payload(
+ &message, 0, -1);
+
+ ret = lttng_ctl_ask_sessiond_payload(&message_view, &reply);
+ if (ret < 0) {
+ goto end;
+ }
+ }
+
+
+ {
+ struct lttng_payload_view reply_view =
+ lttng_payload_view_from_payload(
+ &reply, 0, reply.buffer.size);
+ ret = lttng_map_content_create_from_payload(
+ &reply_view, &local_map_content);
+ if (ret < 0) {
+ ret = LTTNG_ERR_FATAL;
+ goto end;
+ }
+ }
+
+ *map_content = local_map_content;
+ local_map_content = NULL;
+
+ ret = LTTNG_OK;
+ goto end;
+end:
+ lttng_payload_reset(&reply);
+ lttng_payload_reset(&message);
+ lttng_map_content_destroy(local_map_content);
+ return ret;
+}
+
/*
* lib constructor.
*/
projects / lttng-tools.git / blobdiff