#include <common/unix.h>
#include <common/utils.h>
#include <lttng/event-internal.h>
+#include <lttng/map/map.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/userspace-probe-internal.h>
return ret_code;
}
+static enum lttng_error_code receive_lttng_map(int sock,
+ int *sock_error,
+ uint32_t map_len,
+ struct lttng_map **_map)
+{
+ int ret;
+ ssize_t sock_recv_len;
+ enum lttng_error_code ret_code;
+ struct lttng_payload map_payload;
+ struct lttng_map *map = NULL;
+
+ lttng_payload_init(&map_payload);
+ ret = lttng_dynamic_buffer_set_size(
+ &map_payload.buffer, map_len);
+ if (ret) {
+ ret_code = LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ sock_recv_len = lttcomm_recv_unix_sock(
+ sock, map_payload.buffer.data, map_len);
+ if (sock_recv_len < 0 || sock_recv_len != map_len) {
+ ERR("Failed to receive map in command payload");
+ *sock_error = 1;
+ ret_code = LTTNG_ERR_INVALID_PROTOCOL;
+ goto end;
+ }
+
+ /* Deserialize map. */
+ {
+ struct lttng_payload_view view =
+ lttng_payload_view_from_payload(
+ &map_payload, 0, -1);
+
+ if (lttng_map_create_from_payload(&view, &map) !=
+ map_len) {
+ ERR("Invalid map received as part of command payload");
+ ret_code = LTTNG_ERR_INVALID_TRIGGER;
+ lttng_map_put(map);
+ goto end;
+ }
+ }
+
+ *_map = map;
+ ret_code = LTTNG_OK;
+
+end:
+ return ret_code;
+}
+
+static enum lttng_error_code receive_lttng_map_query(int sock,
+ int *sock_error,
+ uint32_t map_query_len,
+ struct lttng_map_query **_map_query)
+{
+ int ret;
+ ssize_t sock_recv_len;
+ enum lttng_error_code ret_code;
+ struct lttng_payload map_query_payload;
+ struct lttng_map_query *map_query = NULL;
+
+ lttng_payload_init(&map_query_payload);
+ ret = lttng_dynamic_buffer_set_size(
+ &map_query_payload.buffer, map_query_len);
+ if (ret) {
+ ret_code = LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ sock_recv_len = lttcomm_recv_unix_sock(
+ sock, map_query_payload.buffer.data, map_query_len);
+ if (sock_recv_len < 0 || sock_recv_len != map_query_len) {
+ ERR("Failed to receive map query in command payload");
+ *sock_error = 1;
+ ret_code = LTTNG_ERR_INVALID_PROTOCOL;
+ goto end;
+ }
+
+ /* Deserialize map query. */
+ {
+ struct lttng_payload_view view =
+ lttng_payload_view_from_payload(
+ &map_query_payload, 0, -1);
+
+ if (lttng_map_query_create_from_payload(&view, &map_query) !=
+ map_query_len) {
+ ERR("Invalid map query received as part of command payload");
+ ret_code = LTTNG_ERR_INVALID_TRIGGER;
+ lttng_map_query_destroy(map_query);
+ goto end;
+ }
+ }
+
+ *_map_query = map_query;
+ ret_code = LTTNG_OK;
+
+end:
+ return ret_code;
+}
+
/*
* Version of setup_lttng_msg() without command header.
*/
case LTTNG_SESSION_LIST_ROTATION_SCHEDULES:
case LTTNG_CLEAR_SESSION:
case LTTNG_LIST_TRIGGERS:
+ case LTTNG_LIST_MAP_VALUES:
need_domain = false;
break;
default:
switch (cmd_ctx->lsm.cmd_type) {
case LTTNG_REGISTER_TRIGGER:
case LTTNG_UNREGISTER_TRIGGER:
+ case LTTNG_ADD_MAP:
+ case LTTNG_ENABLE_MAP:
+ case LTTNG_DISABLE_MAP:
+ case LTTNG_LIST_MAP_VALUES:
need_consumerd = false;
break;
default:
switch (cmd_ctx->lsm.cmd_type) {
case LTTNG_DISABLE_CHANNEL:
case LTTNG_DISABLE_EVENT:
+ case LTTNG_DISABLE_MAP:
switch (cmd_ctx->lsm.domain.type) {
case LTTNG_DOMAIN_KERNEL:
if (!cmd_ctx->session->kernel_session) {
kernel_poll_pipe[1]);
break;
}
+ case LTTNG_ADD_MAP:
+ {
+ ret = cmd_add_map(cmd_ctx, *sock);
+
+ break;
+ }
+ case LTTNG_ENABLE_MAP:
+ ret = cmd_enable_map(cmd_ctx->session, cmd_ctx->lsm.domain.type,
+ cmd_ctx->lsm.u.enable_map.map_name);
+ break;
+ case LTTNG_DISABLE_MAP:
+ {
+ ret = cmd_disable_map(cmd_ctx->session, cmd_ctx->lsm.domain.type,
+ cmd_ctx->lsm.u.disable_map.map_name);
+
+ break;
+ }
case LTTNG_PROCESS_ATTR_TRACKER_ADD_INCLUDE_VALUE:
case LTTNG_PROCESS_ATTR_TRACKER_REMOVE_INCLUDE_VALUE:
{
ret = LTTNG_OK;
break;
}
+ case LTTNG_LIST_MAPS:
+ {
+ struct lttng_map_list *return_map_list = NULL;
+ size_t original_payload_size;
+ size_t payload_size;
+
+ ret = setup_empty_lttng_msg(cmd_ctx);
+ if (ret) {
+ ret = LTTNG_ERR_NOMEM;
+ goto setup_error;
+ }
+
+ original_payload_size = cmd_ctx->reply_payload.buffer.size;
+
+ ret = cmd_list_maps(cmd_ctx->lsm.domain.type, cmd_ctx->session,
+ &return_map_list);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+
+ assert(return_map_list);
+ ret = lttng_map_list_serialize(return_map_list,
+ &cmd_ctx->reply_payload);
+ lttng_map_list_destroy(return_map_list);
+ if (ret) {
+ ERR("Failed to serialize map_list in reply to `%s` command",
+ lttcomm_sessiond_command_str(cmd_ctx->lsm.cmd_type));
+ ret = LTTNG_ERR_NOMEM;
+ goto error;
+ }
+
+ payload_size = cmd_ctx->reply_payload.buffer.size -
+ original_payload_size;
+
+ update_lttng_msg(cmd_ctx, 0, payload_size);
+
+ ret = LTTNG_OK;
+ break;
+ }
case LTTNG_LIST_EVENTS:
{
ssize_t list_ret;
ret = LTTNG_OK;
break;
}
+ case LTTNG_LIST_MAP_VALUES:
+ {
+ struct lttng_map_content *return_map_content = NULL;
+ struct lttng_map *payload_map = NULL;
+ struct lttng_map_query *payload_map_query = NULL;
+ size_t original_reply_payload_size;
+ size_t reply_payload_size;
+
+ ret = setup_empty_lttng_msg(cmd_ctx);
+ if (ret) {
+ ret = LTTNG_ERR_NOMEM;
+ goto setup_error;
+ }
+
+ original_reply_payload_size = cmd_ctx->reply_payload.buffer.size;
+
+ ret = receive_lttng_map(*sock, sock_error,
+ cmd_ctx->lsm.u.list_map_values.map_length,
+ &payload_map);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+
+ ret = receive_lttng_map_query(*sock, sock_error,
+ cmd_ctx->lsm.u.list_map_values.query_length,
+ &payload_map_query);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+
+ ret = cmd_list_map_values(cmd_ctx->lsm.session.name,
+ payload_map, payload_map_query,
+ &return_map_content);
+ if (ret != LTTNG_OK) {
+ goto error;
+ }
+ assert(return_map_content);
+ ret = lttng_map_content_serialize(return_map_content,
+ &cmd_ctx->reply_payload);
+ lttng_map_content_destroy(return_map_content);
+ if (ret) {
+ ERR("Failed to serialize key-value pair list in reply to `list map values` command");
+ ret = LTTNG_ERR_NOMEM;
+ goto error;
+ }
+
+ reply_payload_size = cmd_ctx->reply_payload.buffer.size -
+ original_reply_payload_size;
+
+ update_lttng_msg(cmd_ctx, 0, reply_payload_size);
+
+ ret = LTTNG_OK;
+ break;
+ }
default:
ret = LTTNG_ERR_UND;
break;
projects / lttng-tools.git / blobdiff