+++ /dev/null
-/*
- * Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com>
- * - Olivier Cotte <olivier.cotte@polymtl.ca>
- * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#define _LGPL_SOURCE
-#include <common/config/session-config.h>
-#include <common/defaults.h>
-#include <lttng/snapshot-internal.h>
-#include <lttng/channel.h>
-#include "mi-lttng.h"
-
-#include <assert.h>
-
-#define MI_SCHEMA_MAJOR_VERSION 3
-#define MI_SCHEMA_MINOR_VERSION 0
-
-/* Machine interface namespace URI */
-LTTNG_HIDDEN const char * const mi_lttng_xmlns = "xmlns";
-LTTNG_HIDDEN const char * const mi_lttng_xmlns_xsi = "xmlns:xsi";
-LTTNG_HIDDEN const char * const mi_lttng_w3_schema_uri = "http://www.w3.org/2001/XMLSchema-instance";
-LTTNG_HIDDEN const char * const mi_lttng_schema_location = "xsi:schemaLocation";
-LTTNG_HIDDEN const char * const mi_lttng_schema_location_uri =
- DEFAULT_LTTNG_MI_NAMESPACE " "
- "http://lttng.org/xml/schemas/lttng-mi/" XSTR(MI_SCHEMA_MAJOR_VERSION)
- "/lttng-mi-" XSTR(MI_SCHEMA_MAJOR_VERSION) "."
- XSTR(MI_SCHEMA_MINOR_VERSION) ".xsd";
-LTTNG_HIDDEN const char * const mi_lttng_schema_version = "schemaVersion";
-LTTNG_HIDDEN const char * const mi_lttng_schema_version_value = XSTR(MI_SCHEMA_MAJOR_VERSION)
- "." XSTR(MI_SCHEMA_MINOR_VERSION);
-
-/* Strings related to command */
-const char * const mi_lttng_element_command = "command";
-const char * const mi_lttng_element_command_action = "snapshot_action";
-const char * const mi_lttng_element_command_add_context = "add-context";
-const char * const mi_lttng_element_command_create = "create";
-const char * const mi_lttng_element_command_destroy = "destroy";
-const char * const mi_lttng_element_command_disable_channel = "disable-channel";
-const char * const mi_lttng_element_command_disable_event = "disable-event";
-const char * const mi_lttng_element_command_enable_channels = "enable-channel";
-const char * const mi_lttng_element_command_enable_event = "enable-event";
-const char * const mi_lttng_element_command_list = "list";
-const char * const mi_lttng_element_command_load = "load";
-LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata = "metadata";
-LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata_action = "metadata_action";
-LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate = "regenerate";
-LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate_action = "regenerate_action";
-const char * const mi_lttng_element_command_name = "name";
-const char * const mi_lttng_element_command_output = "output";
-const char * const mi_lttng_element_command_save = "save";
-const char * const mi_lttng_element_command_set_session = "set-session";
-const char * const mi_lttng_element_command_snapshot = "snapshot";
-const char * const mi_lttng_element_command_snapshot_add = "add_snapshot";
-const char * const mi_lttng_element_command_snapshot_del = "del_snapshot";
-const char * const mi_lttng_element_command_snapshot_list = "list_snapshot";
-const char * const mi_lttng_element_command_snapshot_record = "record_snapshot";
-const char * const mi_lttng_element_command_start = "start";
-const char * const mi_lttng_element_command_stop = "stop";
-const char * const mi_lttng_element_command_success = "success";
-const char * const mi_lttng_element_command_track = "track";
-const char * const mi_lttng_element_command_untrack = "untrack";
-const char * const mi_lttng_element_command_version = "version";
-
-/* Strings related to version command */
-const char * const mi_lttng_element_version = "version";
-const char * const mi_lttng_element_version_commit = "commit";
-const char * const mi_lttng_element_version_description = "description";
-const char * const mi_lttng_element_version_license = "license";
-const char * const mi_lttng_element_version_major = "major";
-const char * const mi_lttng_element_version_minor = "minor";
-const char * const mi_lttng_element_version_patch_level = "patchLevel";
-const char * const mi_lttng_element_version_str = "string";
-const char * const mi_lttng_element_version_web = "url";
-
-/* String related to a lttng_event_field */
-const char * const mi_lttng_element_event_field = "event_field";
-const char * const mi_lttng_element_event_fields = "event_fields";
-
-/* String related to lttng_event_perf_counter_ctx */
-const char * const mi_lttng_element_perf_counter_context = "perf";
-
-/* Strings related to pid */
-const char * const mi_lttng_element_pid_id = "id";
-
-/* Strings related to save command */
-const char * const mi_lttng_element_save = "save";
-
-/* Strings related to load command */
-const char * const mi_lttng_element_load = "load";
-
-/* General elements of mi_lttng */
-const char * const mi_lttng_element_empty = "";
-const char * const mi_lttng_element_id = "id";
-const char * const mi_lttng_element_nowrite = "nowrite";
-const char * const mi_lttng_element_success = "success";
-const char * const mi_lttng_element_type_enum = "ENUM";
-const char * const mi_lttng_element_type_float = "FLOAT";
-const char * const mi_lttng_element_type_integer = "INTEGER";
-const char * const mi_lttng_element_type_other = "OTHER";
-const char * const mi_lttng_element_type_string = "STRING";
-
-/* String related to loglevel */
-const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT";
-const char * const mi_lttng_loglevel_str_crit = "TRACE_CRIT";
-const char * const mi_lttng_loglevel_str_debug = "TRACE_DEBUG";
-const char * const mi_lttng_loglevel_str_debug_function = "TRACE_DEBUG_FUNCTION";
-const char * const mi_lttng_loglevel_str_debug_line = "TRACE_DEBUG_LINE";
-const char * const mi_lttng_loglevel_str_debug_module = "TRACE_DEBUG_MODULE";
-const char * const mi_lttng_loglevel_str_debug_process = "TRACE_DEBUG_PROCESS";
-const char * const mi_lttng_loglevel_str_debug_program = "TRACE_DEBUG_PROGRAM";
-const char * const mi_lttng_loglevel_str_debug_system = "TRACE_DEBUG_SYSTEM";
-const char * const mi_lttng_loglevel_str_debug_unit = "TRACE_DEBUG_UNIT";
-const char * const mi_lttng_loglevel_str_emerg = "TRACE_EMERG";
-const char * const mi_lttng_loglevel_str_err = "TRACE_ERR";
-const char * const mi_lttng_loglevel_str_info = "TRACE_INFO";
-const char * const mi_lttng_loglevel_str_notice = "TRACE_NOTICE";
-const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN";
-const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING";
-
-/* String related to loglevel JUL */
-const char * const mi_lttng_loglevel_str_jul_all = "JUL_ALL";
-const char * const mi_lttng_loglevel_str_jul_config = "JUL_CONFIG";
-const char * const mi_lttng_loglevel_str_jul_fine = "JUL_FINE";
-const char * const mi_lttng_loglevel_str_jul_finer = "JUL_FINER";
-const char * const mi_lttng_loglevel_str_jul_finest = "JUL_FINEST";
-const char * const mi_lttng_loglevel_str_jul_info = "JUL_INFO";
-const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF";
-const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE";
-const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING";
-
-/* String related to loglevel LOG4J */
-const char * const mi_lttng_loglevel_str_log4j_off = "LOG4J_OFF";
-const char * const mi_lttng_loglevel_str_log4j_fatal = "LOG4J_FATAL";
-const char * const mi_lttng_loglevel_str_log4j_error = "LOG4J_ERROR";
-const char * const mi_lttng_loglevel_str_log4j_warn = "LOG4J_WARN";
-const char * const mi_lttng_loglevel_str_log4j_info = "LOG4J_INFO";
-const char * const mi_lttng_loglevel_str_log4j_debug = "LOG4J_DEBUG";
-const char * const mi_lttng_loglevel_str_log4j_trace = "LOG4J_TRACE";
-const char * const mi_lttng_loglevel_str_log4j_all = "LOG4J_ALL";
-
-/* String related to loglevel Python */
-const char * const mi_lttng_loglevel_str_python_critical = "PYTHON_CRITICAL";
-const char * const mi_lttng_loglevel_str_python_error = "PYTHON_ERROR";
-const char * const mi_lttng_loglevel_str_python_warning = "PYTHON_WARNING";
-const char * const mi_lttng_loglevel_str_python_info = "PYTHON_INFO";
-const char * const mi_lttng_loglevel_str_python_debug = "PYTHON_DEBUG";
-const char * const mi_lttng_loglevel_str_python_notset = "PYTHON_NOTSET";
-
-/* String related to loglevel type */
-const char * const mi_lttng_loglevel_type_all = "ALL";
-const char * const mi_lttng_loglevel_type_range = "RANGE";
-const char * const mi_lttng_loglevel_type_single = "SINGLE";
-const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN";
-
-/* String related to a lttng_snapshot_output */
-const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url";
-const char * const mi_lttng_element_snapshot_data_url = "data_url";
-const char * const mi_lttng_element_snapshot_max_size = "max_size";
-const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr";
-const char * const mi_lttng_element_snapshot_session_name = "session_name";
-const char * const mi_lttng_element_snapshots = "snapshots";
-
-/* String related to track/untrack command */
-const char * const mi_lttng_element_track_untrack_all_wildcard = "*";
-
-/* Deprecated symbols preserved for ABI compatibility. */
-const char * const mi_lttng_context_type_perf_counter;
-const char * const mi_lttng_context_type_perf_cpu_counter;
-const char * const mi_lttng_context_type_perf_thread_counter;
-const char * const mi_lttng_element_track_untrack_pid_target;
-const char * const mi_lttng_element_track_untrack_targets;
-const char * const mi_lttng_element_calibrate;
-const char * const mi_lttng_element_calibrate_function;
-const char * const mi_lttng_element_command_calibrate;
-
-/* This is a merge of jul loglevel and regular loglevel
- * Those should never overlap by definition
- * (see struct lttng_event loglevel)
- */
-LTTNG_HIDDEN
-const char *mi_lttng_loglevel_string(int value, enum lttng_domain_type domain)
-{
- switch (domain) {
- case LTTNG_DOMAIN_KERNEL:
- case LTTNG_DOMAIN_UST:
- switch (value) {
- case -1:
- return mi_lttng_element_empty;
- case LTTNG_LOGLEVEL_EMERG:
- return mi_lttng_loglevel_str_emerg;
- case LTTNG_LOGLEVEL_ALERT:
- return mi_lttng_loglevel_str_alert;
- case LTTNG_LOGLEVEL_CRIT:
- return mi_lttng_loglevel_str_crit;
- case LTTNG_LOGLEVEL_ERR:
- return mi_lttng_loglevel_str_err;
- case LTTNG_LOGLEVEL_WARNING:
- return mi_lttng_loglevel_str_warning;
- case LTTNG_LOGLEVEL_NOTICE:
- return mi_lttng_loglevel_str_notice;
- case LTTNG_LOGLEVEL_INFO:
- return mi_lttng_loglevel_str_info;
- case LTTNG_LOGLEVEL_DEBUG_SYSTEM:
- return mi_lttng_loglevel_str_debug_system;
- case LTTNG_LOGLEVEL_DEBUG_PROGRAM:
- return mi_lttng_loglevel_str_debug_program;
- case LTTNG_LOGLEVEL_DEBUG_PROCESS:
- return mi_lttng_loglevel_str_debug_process;
- case LTTNG_LOGLEVEL_DEBUG_MODULE:
- return mi_lttng_loglevel_str_debug_module;
- case LTTNG_LOGLEVEL_DEBUG_UNIT:
- return mi_lttng_loglevel_str_debug_unit;
- case LTTNG_LOGLEVEL_DEBUG_FUNCTION:
- return mi_lttng_loglevel_str_debug_function;
- case LTTNG_LOGLEVEL_DEBUG_LINE:
- return mi_lttng_loglevel_str_debug_line;
- case LTTNG_LOGLEVEL_DEBUG:
- return mi_lttng_loglevel_str_debug;
- default:
- return mi_lttng_loglevel_str_unknown;
- }
- break;
- case LTTNG_DOMAIN_LOG4J:
- switch (value) {
- case -1:
- return mi_lttng_element_empty;
- case LTTNG_LOGLEVEL_LOG4J_OFF:
- return mi_lttng_loglevel_str_log4j_off;
- case LTTNG_LOGLEVEL_LOG4J_FATAL:
- return mi_lttng_loglevel_str_log4j_fatal;
- case LTTNG_LOGLEVEL_LOG4J_ERROR:
- return mi_lttng_loglevel_str_log4j_error;
- case LTTNG_LOGLEVEL_LOG4J_WARN:
- return mi_lttng_loglevel_str_log4j_warn;
- case LTTNG_LOGLEVEL_LOG4J_INFO:
- return mi_lttng_loglevel_str_log4j_info;
- case LTTNG_LOGLEVEL_LOG4J_DEBUG:
- return mi_lttng_loglevel_str_log4j_debug;
- case LTTNG_LOGLEVEL_LOG4J_TRACE:
- return mi_lttng_loglevel_str_log4j_trace;
- case LTTNG_LOGLEVEL_LOG4J_ALL:
- return mi_lttng_loglevel_str_log4j_all;
- default:
- return mi_lttng_loglevel_str_unknown;
- }
- break;
- case LTTNG_DOMAIN_JUL:
- switch (value) {
- case -1:
- return mi_lttng_element_empty;
- case LTTNG_LOGLEVEL_JUL_OFF:
- return mi_lttng_loglevel_str_jul_off;
- case LTTNG_LOGLEVEL_JUL_SEVERE:
- return mi_lttng_loglevel_str_jul_severe;
- case LTTNG_LOGLEVEL_JUL_WARNING:
- return mi_lttng_loglevel_str_jul_warning;
- case LTTNG_LOGLEVEL_JUL_INFO:
- return mi_lttng_loglevel_str_jul_info;
- case LTTNG_LOGLEVEL_JUL_CONFIG:
- return mi_lttng_loglevel_str_jul_config;
- case LTTNG_LOGLEVEL_JUL_FINE:
- return mi_lttng_loglevel_str_jul_fine;
- case LTTNG_LOGLEVEL_JUL_FINER:
- return mi_lttng_loglevel_str_jul_finer;
- case LTTNG_LOGLEVEL_JUL_FINEST:
- return mi_lttng_loglevel_str_jul_finest;
- case LTTNG_LOGLEVEL_JUL_ALL:
- return mi_lttng_loglevel_str_jul_all;
- default:
- return mi_lttng_loglevel_str_unknown;
- }
- break;
- case LTTNG_DOMAIN_PYTHON:
- switch (value) {
- case LTTNG_LOGLEVEL_PYTHON_CRITICAL:
- return mi_lttng_loglevel_str_python_critical;
- case LTTNG_LOGLEVEL_PYTHON_ERROR:
- return mi_lttng_loglevel_str_python_error;
- case LTTNG_LOGLEVEL_PYTHON_WARNING:
- return mi_lttng_loglevel_str_python_warning;
- case LTTNG_LOGLEVEL_PYTHON_INFO:
- return mi_lttng_loglevel_str_python_info;
- case LTTNG_LOGLEVEL_PYTHON_DEBUG:
- return mi_lttng_loglevel_str_python_debug;
- case LTTNG_LOGLEVEL_PYTHON_NOTSET:
- return mi_lttng_loglevel_str_python_notset;
- default:
- return mi_lttng_loglevel_str_unknown;
- }
- break;
- default:
- return mi_lttng_loglevel_str_unknown;
- }
-}
-
-LTTNG_HIDDEN
-const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value)
-{
- switch (value) {
- case LTTNG_EVENT_LOGLEVEL_ALL:
- return mi_lttng_loglevel_type_all;
- case LTTNG_EVENT_LOGLEVEL_RANGE:
- return mi_lttng_loglevel_type_range;
- case LTTNG_EVENT_LOGLEVEL_SINGLE:
- return mi_lttng_loglevel_type_single;
- default:
- return mi_lttng_loglevel_type_unknown;
- }
-}
-
-LTTNG_HIDDEN
-const char *mi_lttng_eventtype_string(enum lttng_event_type value)
-{
- switch (value) {
- case LTTNG_EVENT_ALL:
- return config_event_type_all;
- case LTTNG_EVENT_TRACEPOINT:
- return config_event_type_tracepoint;
- case LTTNG_EVENT_PROBE:
- return config_event_type_probe;
- case LTTNG_EVENT_FUNCTION:
- return config_event_type_function;
- case LTTNG_EVENT_FUNCTION_ENTRY:
- return config_event_type_function_entry;
- case LTTNG_EVENT_SYSCALL:
- return config_event_type_syscall;
- case LTTNG_EVENT_NOOP:
- return config_event_type_noop;
- default:
- return mi_lttng_element_empty;
- }
-}
-
-static
-const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val)
-{
- switch (val) {
- case LTTNG_EVENT_CONTEXT_PID:
- return config_event_context_pid;
- case LTTNG_EVENT_CONTEXT_PROCNAME:
- return config_event_context_procname;
- case LTTNG_EVENT_CONTEXT_PRIO:
- return config_event_context_prio;
- case LTTNG_EVENT_CONTEXT_NICE:
- return config_event_context_nice;
- case LTTNG_EVENT_CONTEXT_VPID:
- return config_event_context_vpid;
- case LTTNG_EVENT_CONTEXT_TID:
- return config_event_context_tid;
- case LTTNG_EVENT_CONTEXT_VTID:
- return config_event_context_vtid;
- case LTTNG_EVENT_CONTEXT_PPID:
- return config_event_context_ppid;
- case LTTNG_EVENT_CONTEXT_VPPID:
- return config_event_context_vppid;
- case LTTNG_EVENT_CONTEXT_PTHREAD_ID:
- return config_event_context_pthread_id;
- case LTTNG_EVENT_CONTEXT_HOSTNAME:
- return config_event_context_hostname;
- case LTTNG_EVENT_CONTEXT_IP:
- return config_event_context_ip;
- default:
- return NULL;
- }
-}
-
-LTTNG_HIDDEN
-const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val)
-{
- switch (val) {
- case(LTTNG_EVENT_FIELD_INTEGER):
- return mi_lttng_element_type_integer;
- case(LTTNG_EVENT_FIELD_ENUM):
- return mi_lttng_element_type_enum;
- case(LTTNG_EVENT_FIELD_FLOAT):
- return mi_lttng_element_type_float;
- case(LTTNG_EVENT_FIELD_STRING):
- return mi_lttng_element_type_string;
- default:
- return mi_lttng_element_type_other;
- }
-}
-
-LTTNG_HIDDEN
-const char *mi_lttng_domaintype_string(enum lttng_domain_type value)
-{
- /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
- switch (value) {
- case LTTNG_DOMAIN_KERNEL:
- return config_domain_type_kernel;
- case LTTNG_DOMAIN_UST:
- return config_domain_type_ust;
- case LTTNG_DOMAIN_JUL:
- return config_domain_type_jul;
- case LTTNG_DOMAIN_LOG4J:
- return config_domain_type_log4j;
- case LTTNG_DOMAIN_PYTHON:
- return config_domain_type_python;
- default:
- /* Should not have an unknown domain */
- assert(0);
- return NULL;
- }
-}
-
-LTTNG_HIDDEN
-const char *mi_lttng_buffertype_string(enum lttng_buffer_type value)
-{
- switch (value) {
- case LTTNG_BUFFER_PER_PID:
- return config_buffer_type_per_pid;
- case LTTNG_BUFFER_PER_UID:
- return config_buffer_type_per_uid;
- case LTTNG_BUFFER_GLOBAL:
- return config_buffer_type_global;
- default:
- /* Should not have an unknow buffer type */
- assert(0);
- return NULL;
- }
-}
-
-LTTNG_HIDDEN
-struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type)
-{
- struct mi_writer *mi_writer;
-
- mi_writer = zmalloc(sizeof(struct mi_writer));
- if (!mi_writer) {
- PERROR("zmalloc mi_writer_create");
- goto end;
- }
- if (mi_output_type == LTTNG_MI_XML) {
- mi_writer->writer = config_writer_create(fd_output, 0);
- if (!mi_writer->writer) {
- goto err_destroy;
- }
- mi_writer->type = LTTNG_MI_XML;
- } else {
- goto err_destroy;
- }
-
-end:
- return mi_writer;
-
-err_destroy:
- free(mi_writer);
- return NULL;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_destroy(struct mi_writer *writer)
-{
- int ret;
-
- if (!writer) {
- ret = -EINVAL;
- goto end;
- }
-
- ret = config_writer_destroy(writer->writer);
- if (ret < 0) {
- goto end;
- }
-
- free(writer);
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_command_open(struct mi_writer *writer, const char *command)
-{
- int ret;
-
- /*
- * A command is always the MI's root node, it must declare the current
- * namespace and schema URIs and the schema's version.
- */
- ret = config_writer_open_element(writer->writer,
- mi_lttng_element_command);
- if (ret) {
- goto end;
- }
-
- ret = config_writer_write_attribute(writer->writer,
- mi_lttng_xmlns, DEFAULT_LTTNG_MI_NAMESPACE);
- if (ret) {
- goto end;
- }
-
- ret = config_writer_write_attribute(writer->writer,
- mi_lttng_xmlns_xsi, mi_lttng_w3_schema_uri);
- if (ret) {
- goto end;
- }
-
- ret = config_writer_write_attribute(writer->writer,
- mi_lttng_schema_location,
- mi_lttng_schema_location_uri);
- if (ret) {
- goto end;
- }
-
- ret = config_writer_write_attribute(writer->writer,
- mi_lttng_schema_version,
- mi_lttng_schema_version_value);
- if (ret) {
- goto end;
- }
-
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_command_name, command);
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_command_close(struct mi_writer *writer)
-{
- return mi_lttng_writer_close_element(writer);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_open_element(struct mi_writer *writer,
- const char *element_name)
-{
- return config_writer_open_element(writer->writer, element_name);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_close_element(struct mi_writer *writer)
-{
- return config_writer_close_element(writer->writer);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_close_multi_element(struct mi_writer *writer,
- unsigned int nb_element)
-{
- int ret, i;
-
- if (nb_element < 1) {
- ret = 0;
- goto end;
- }
- for (i = 0; i < nb_element; i++) {
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto end;
- }
- }
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_write_element_unsigned_int(struct mi_writer *writer,
- const char *element_name, uint64_t value)
-{
- return config_writer_write_element_unsigned_int(writer->writer,
- element_name, value);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_write_element_signed_int(struct mi_writer *writer,
- const char *element_name, int64_t value)
-{
- return config_writer_write_element_signed_int(writer->writer,
- element_name, value);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_write_element_bool(struct mi_writer *writer,
- const char *element_name, int value)
-{
- return config_writer_write_element_bool(writer->writer,
- element_name, value);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_writer_write_element_string(struct mi_writer *writer,
- const char *element_name, const char *value)
-{
- return config_writer_write_element_string(writer->writer,
- element_name, value);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version,
- const char *lttng_description, const char *lttng_license)
-{
- int ret;
-
- /* Open version */
- ret = mi_lttng_writer_open_element(writer, mi_lttng_element_version);
- if (ret) {
- goto end;
- }
-
- /* Version string (contain info like rc etc.) */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_version_str, version->version);
- if (ret) {
- goto end;
- }
-
- /* Major version number */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_version_major, version->version_major);
- if (ret) {
- goto end;
- }
-
- /* Minor version number */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_version_minor, version->version_minor);
- if (ret) {
- goto end;
- }
-
- /* Commit version number */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_version_commit, version->version_commit);
- if (ret) {
- goto end;
- }
-
- /* Patch number */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_version_patch_level, version->version_patchlevel);
- if (ret) {
- goto end;
- }
-
- /* Name of the version */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_name, version->version_name);
- if (ret) {
- goto end;
- }
-
- /* Description mostly related to beer... */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_version_description, lttng_description);
- if (ret) {
- goto end;
- }
-
- /* url */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_version_web, version->package_url);
- if (ret) {
- goto end;
- }
-
- /* License: free as in free beer...no...*speech* */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_version_license, lttng_license);
- if (ret) {
- goto end;
- }
-
- /* Close version element */
- ret = mi_lttng_writer_close_element(writer);
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_sessions_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer, config_element_sessions);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_session(struct mi_writer *writer,
- struct lttng_session *session, int is_open)
-{
- int ret;
-
- assert(session);
-
- /* Open sessions element */
- ret = mi_lttng_writer_open_element(writer,
- config_element_session);
- if (ret) {
- goto end;
- }
-
- /* Name of the session */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_name, session->name);
- if (ret) {
- goto end;
- }
-
- /* Path */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_path, session->path);
- if (ret) {
- goto end;
- }
-
- /* Enabled ? */
- ret = mi_lttng_writer_write_element_bool(writer,
- config_element_enabled, session->enabled);
- if (ret) {
- goto end;
- }
-
- /* Snapshot mode */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_snapshot_mode, session->snapshot_mode);
- if (ret) {
- goto end;
- }
-
- /* Live timer interval in usec */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_live_timer_interval,
- session->live_timer_interval);
- if (ret) {
- goto end;
- }
-
- if (!is_open) {
- /* Closing session element */
- ret = mi_lttng_writer_close_element(writer);
- }
-end:
- return ret;
-
-}
-
-LTTNG_HIDDEN
-int mi_lttng_domains_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer, config_element_domains);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_domain(struct mi_writer *writer,
- struct lttng_domain *domain, int is_open)
-{
- int ret = 0;
- const char *str_domain;
- const char *str_buffer;
-
- assert(domain);
-
- /* Open domain element */
- ret = mi_lttng_writer_open_element(writer, config_element_domain);
- if (ret) {
- goto end;
- }
-
- /* Domain Type */
- str_domain = mi_lttng_domaintype_string(domain->type);
- ret = mi_lttng_writer_write_element_string(writer, config_element_type,
- str_domain);
- if (ret) {
- goto end;
- }
-
- /* Buffer Type */
- str_buffer= mi_lttng_buffertype_string(domain->buf_type);
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_buffer_type, str_buffer);
- if (ret) {
- goto end;
- }
-
- /* TODO: union attr
- * This union is not currently used and was added for
- * future ust domain support.
- * Date: 25-06-2014
- * */
-
- if (!is_open) {
- /* Closing domain element */
- ret = mi_lttng_writer_close_element(writer);
- }
-
-end:
- return ret;
-
-}
-
-LTTNG_HIDDEN
-int mi_lttng_channels_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer, config_element_channels);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_channel(struct mi_writer *writer,
- struct lttng_channel *channel, int is_open)
-{
- int ret = 0;
-
- assert(channel);
-
- /* Opening channel element */
- ret = mi_lttng_writer_open_element(writer, config_element_channel);
- if (ret) {
- goto end;
- }
-
- /* Name */
- ret = mi_lttng_writer_write_element_string(writer, config_element_name,
- channel->name);
- if (ret) {
- goto end;
- }
-
- /* Enabled ? */
- ret = mi_lttng_writer_write_element_bool(writer,
- config_element_enabled, channel->enabled);
- if (ret) {
- goto end;
- }
-
- /* Attribute */
- ret = mi_lttng_channel_attr(writer, &channel->attr);
- if (ret) {
- goto end;
- }
-
- if (!is_open) {
- /* Closing channel element */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto end;
- }
- }
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_channel_attr(struct mi_writer *writer,
- struct lttng_channel_attr *attr)
-{
- int ret = 0;
- struct lttng_channel *chan = caa_container_of(attr,
- struct lttng_channel, attr);
- uint64_t discarded_events, lost_packets;
-
- assert(attr);
-
- ret = lttng_channel_get_discarded_event_count(chan, &discarded_events);
- if (ret) {
- goto end;
- }
-
- ret = lttng_channel_get_lost_packet_count(chan, &lost_packets);
- if (ret) {
- goto end;
- }
-
- /* Opening Attributes */
- ret = mi_lttng_writer_open_element(writer, config_element_attributes);
- if (ret) {
- goto end;
- }
-
- /* Overwrite */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_overwrite_mode,
- attr->overwrite ? config_overwrite_mode_overwrite :
- config_overwrite_mode_discard);
- if (ret) {
- goto end;
- }
-
- /* Sub buffer size in byte */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_subbuf_size, attr->subbuf_size);
- if (ret) {
- goto end;
- }
-
- /* Number of subbuffer (power of two) */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_num_subbuf,
- attr->num_subbuf);
- if (ret) {
- goto end;
- }
-
- /* Switch timer interval in usec */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_switch_timer_interval,
- attr->switch_timer_interval);
- if (ret) {
- goto end;
- }
-
- /* Read timer interval in usec */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_read_timer_interval,
- attr->read_timer_interval);
- if (ret) {
- goto end;
- }
-
- /* Event output */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_output_type,
- attr->output == LTTNG_EVENT_SPLICE ?
- config_output_type_splice : config_output_type_mmap);
- if (ret) {
- goto end;
- }
-
- /* Tracefile size in bytes */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_tracefile_size, attr->tracefile_size);
- if (ret) {
- goto end;
- }
-
- /* Count of tracefiles */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_tracefile_count,
- attr->tracefile_count);
- if (ret) {
- goto end;
- }
-
- /* Live timer interval in usec*/
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_live_timer_interval,
- attr->live_timer_interval);
- if (ret) {
- goto end;
- }
-
- /* Discarded events */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_discarded_events,
- discarded_events);
- if (ret) {
- goto end;
- }
-
- /* Lost packets */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_lost_packets,
- lost_packets);
- if (ret) {
- goto end;
- }
-
- /* Closing attributes */
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto end;
- }
-end:
- return ret;
-
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event_common_attributes(struct mi_writer *writer,
- struct lttng_event *event)
-{
- int ret;
- const char *filter_expression;
-
- /* Open event element */
- ret = mi_lttng_writer_open_element(writer, config_element_event);
- if (ret) {
- goto end;
- }
-
- /* Event name */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_name, event->name);
- if (ret) {
- goto end;
- }
-
- /* Event type */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_type, mi_lttng_eventtype_string(event->type));
- if (ret) {
- goto end;
- }
-
- /* Is event enabled */
- ret = mi_lttng_writer_write_element_bool(writer,
- config_element_enabled, event->enabled);
- if (ret) {
- goto end;
- }
-
- /* Event filter expression */
- ret = lttng_event_get_filter_expression(event, &filter_expression);
- if (ret) {
- goto end;
- }
-
- if (filter_expression) {
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_filter_expression,
- filter_expression);
- if (ret) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static int write_event_exclusions(struct mi_writer *writer,
- struct lttng_event *event)
-{
- int i;
- int ret;
- int exclusion_count;
-
- /* Open event exclusions */
- ret = mi_lttng_writer_open_element(writer, config_element_exclusions);
- if (ret) {
- goto end;
- }
-
- exclusion_count = lttng_event_get_exclusion_name_count(event);
- if (exclusion_count < 0) {
- ret = exclusion_count;
- goto end;
- }
-
- for (i = 0; i < exclusion_count; i++) {
- const char *name;
-
- ret = lttng_event_get_exclusion_name(event, i, &name);
- if (ret) {
- /* Close exclusions */
- mi_lttng_writer_close_element(writer);
- goto end;
- }
-
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_exclusion, name);
- if (ret) {
- /* Close exclusions */
- mi_lttng_writer_close_element(writer);
- goto end;
- }
- }
-
- /* Close exclusions */
- ret = mi_lttng_writer_close_element(writer);
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer,
- struct lttng_event *event, enum lttng_domain_type domain)
-{
- int ret;
-
- /* Event loglevel */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_loglevel,
- mi_lttng_loglevel_string(event->loglevel, domain));
- if (ret) {
- goto end;
- }
-
- /* Log level type */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_loglevel_type,
- mi_lttng_logleveltype_string(event->loglevel_type));
- if (ret) {
- goto end;
- }
-
- /* Event exclusions */
- ret = write_event_exclusions(writer, event);
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event_tracepoint_no_loglevel(struct mi_writer *writer,
- struct lttng_event *event)
-{
- /* event exclusion filter */
- return write_event_exclusions(writer, event);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event_function_probe(struct mi_writer *writer,
- struct lttng_event *event)
-{
- int ret;
-
- ret = mi_lttng_writer_open_element(writer, config_element_attributes);
- if (ret) {
- goto end;
- }
-
- ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
- if (ret) {
- goto end;
- }
-
- if (event->attr.probe.addr != 0) {
- /* event probe address */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_address, event->attr.probe.addr);
- if (ret) {
- goto end;
- }
- } else {
- /* event probe offset */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_offset, event->attr.probe.offset);
- if (ret) {
- goto end;
- }
-
- /* event probe symbol_name */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_symbol_name, event->attr.probe.symbol_name);
- if (ret) {
- goto end;
- }
- }
-
- /* Close probe_attributes and attributes */
- ret = mi_lttng_close_multi_element(writer, 2);
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event_function_entry(struct mi_writer *writer,
- struct lttng_event *event)
-{
- int ret;
-
- ret = mi_lttng_writer_open_element(writer, config_element_attributes);
- if (ret) {
- goto end;
- }
-
- ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
- if (ret) {
- goto end;
- }
-
- /* event probe symbol_name */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_symbol_name, event->attr.ftrace.symbol_name);
- if (ret) {
- goto end;
- }
-
- /* Close function_attributes and attributes */
- ret = mi_lttng_close_multi_element(writer, 2);
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_events_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer, config_element_events);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event(struct mi_writer *writer,
- struct lttng_event *event, int is_open, enum lttng_domain_type domain)
-{
- int ret;
-
- ret = mi_lttng_event_common_attributes(writer, event);
- if (ret) {
- goto end;
- }
-
- switch (event->type) {
- case LTTNG_EVENT_TRACEPOINT:
- {
- if (event->loglevel != -1) {
- ret = mi_lttng_event_tracepoint_loglevel(writer, event, domain);
- } else {
- ret = mi_lttng_event_tracepoint_no_loglevel(writer, event);
- }
- break;
- }
- case LTTNG_EVENT_FUNCTION:
- /* Fallthrough */
- case LTTNG_EVENT_PROBE:
- ret = mi_lttng_event_function_probe(writer, event);
- break;
- case LTTNG_EVENT_FUNCTION_ENTRY:
- ret = mi_lttng_event_function_entry(writer, event);
- break;
- case LTTNG_EVENT_ALL:
- /* Fallthrough */
- default:
- break;
- }
-
- if (!is_open) {
- ret = mi_lttng_writer_close_element(writer);
- }
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_trackers_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer, config_element_trackers);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_pid_tracker_open(struct mi_writer *writer)
-{
- int ret;
-
- /* Open element pid_tracker */
- ret = mi_lttng_writer_open_element(writer, config_element_pid_tracker);
- if (ret) {
- goto end;
- }
-
- /* Open targets element */
- ret = mi_lttng_targets_open(writer);
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_pids_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer, config_element_pids);
-}
-
-/*
- * TODO: move the listing of pid for user agent to process semantic on
- * mi api bump. The use of process element break the mi api.
- */
-LTTNG_HIDDEN
-int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *name,
- int is_open)
-{
- int ret;
-
- /* Open pid process */
- ret = mi_lttng_writer_open_element(writer, config_element_pid);
- if (ret) {
- goto end;
- }
-
- /* Writing pid number */
- ret = mi_lttng_writer_write_element_signed_int(writer,
- mi_lttng_element_pid_id, (int)pid);
- if (ret) {
- goto end;
- }
-
- /* Writing name of the process */
- if (name) {
- ret = mi_lttng_writer_write_element_string(writer, config_element_name,
- name);
- if (ret) {
- goto end;
- }
- }
-
- if (!is_open) {
- /* Closing Pid */
- ret = mi_lttng_writer_close_element(writer);
- }
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_targets_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer,
- config_element_targets);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_pid_target(struct mi_writer *writer, pid_t pid, int is_open)
-{
- int ret;
-
- ret = mi_lttng_writer_open_element(writer,
- config_element_target_pid);
- if (ret) {
- goto end;
- }
-
- /* Writing pid number
- * Special case for element all on track untrack command
- * All pid is represented as wildcard *
- */
- if ((int) pid == -1) {
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_pid,
- mi_lttng_element_track_untrack_all_wildcard);
- } else {
- ret = mi_lttng_writer_write_element_signed_int(writer,
- config_element_pid, (int) pid);
- }
- if (ret) {
- goto end;
- }
-
- if (!is_open) {
- ret = mi_lttng_writer_close_element(writer);
- if (ret) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event_fields_open(struct mi_writer *writer)
-{
- return mi_lttng_writer_open_element(writer, mi_lttng_element_event_fields);
-}
-
-LTTNG_HIDDEN
-int mi_lttng_event_field(struct mi_writer *writer,
- struct lttng_event_field *field)
-{
- int ret;
-
- if (!field->field_name[0]) {
- ret = 0;
- goto end;
- }
-
- /* Open field */
- ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_field);
- if (ret) {
- goto end;
- }
-
- if (!field->field_name[0]) {
- goto close;
- }
-
- /* Name */
- ret = mi_lttng_writer_write_element_string(writer, config_element_name,
- field->field_name);
- if (ret) {
- goto end;
- }
-
- /* Type */
- ret = mi_lttng_writer_write_element_string(writer, config_element_type,
- mi_lttng_eventfieldtype_string(field->type));
- if (ret) {
- goto end;
- }
-
- /* nowrite */
- ret = mi_lttng_writer_write_element_signed_int(writer,
- mi_lttng_element_nowrite, field->nowrite);
- if (ret) {
- goto end;
- }
-
-close:
- /* Close field element */
- ret = mi_lttng_writer_close_element(writer);
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_perf_counter_context(struct mi_writer *writer,
- struct lttng_event_perf_counter_ctx *perf_context)
-{
- int ret;
-
- /* Open perf_counter_context */
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_perf_counter_context);
- if (ret) {
- goto end;
- }
-
- /* Type */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_type, perf_context->type);
- if (ret) {
- goto end;
- }
-
- /* Config */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- config_element_config, perf_context->config);
- if (ret) {
- goto end;
- }
-
- /* Name of the perf counter */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_name, perf_context->name);
- if (ret) {
- goto end;
- }
-
- /* Close perf_counter_context */
- ret = mi_lttng_writer_close_element(writer);
-end:
- return ret;
-}
-
-static
-int mi_lttng_app_context(struct mi_writer *writer,
- const char *provider_name, const char *ctx_name)
-{
- int ret;
-
- /* Open app */
- ret = mi_lttng_writer_open_element(writer,
- config_element_context_app);
- if (ret) {
- goto end;
- }
-
- /* provider_name */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_context_app_provider_name,
- provider_name);
- if (ret) {
- goto end;
- }
-
- /* ctx_name */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_context_app_ctx_name, ctx_name);
- if (ret) {
- goto end;
- }
-
- /* Close app */
- ret = mi_lttng_writer_close_element(writer);
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_context(struct mi_writer *writer,
- struct lttng_event_context *context, int is_open)
-{
- int ret;
-
- /* Open context */
- ret = mi_lttng_writer_open_element(writer , config_element_context);
- if (ret) {
- goto end;
- }
-
- /* Special case for PERF_*_COUNTER
- * print the lttng_event_perf_counter_ctx*/
- switch (context->ctx) {
- case LTTNG_EVENT_CONTEXT_PERF_COUNTER:
- case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER:
- case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER:
- {
- struct lttng_event_perf_counter_ctx *perf_context =
- &context->u.perf_counter;
- ret = mi_lttng_perf_counter_context(writer, perf_context);
- if (ret) {
- goto end;
- }
- break;
- }
- case LTTNG_EVENT_CONTEXT_APP_CONTEXT:
- {
- ret = mi_lttng_app_context(writer,
- context->u.app_ctx.provider_name,
- context->u.app_ctx.ctx_name);
- if (ret) {
- goto end;
- }
- break;
- }
- default:
- {
- const char *type_string = mi_lttng_event_contexttype_string(
- context->ctx);
- if (!type_string) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- /* Print context type */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_type, type_string);
- break;
- }
- }
-
- /* Close context */
- if (!is_open) {
- ret = mi_lttng_writer_close_element(writer);
- }
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_snapshot_output_session_name(struct mi_writer *writer,
- const char *session_name)
-{
- int ret;
-
- /* Open session element */
- ret = mi_lttng_writer_open_element(writer, config_element_session);
- if (ret) {
- goto end;
- }
-
- /* Snapshot output list for current session name */
- ret = mi_lttng_writer_write_element_string(writer, config_element_name,
- session_name);
- if (ret) {
- goto end;
- }
-
- /* Open element snapshots (sequence one snapshot) */
- ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots);
- if (ret) {
- goto end;
- }
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_snapshot_list_output(struct mi_writer *writer,
- struct lttng_snapshot_output *output)
-{
- int ret;
-
- /* Open element snapshot output */
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_command_snapshot);
- if (ret) {
- goto end;
- }
-
- /* ID of the snapshot output */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_id, output->id);
- if (ret) {
- goto end;
- }
-
- /* Name of the output */
- ret = mi_lttng_writer_write_element_string(writer, config_element_name,
- output->name);
- if (ret) {
- goto end;
- }
-
- /* Destination of the output (ctrl_url)*/
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
- if (ret) {
- goto end;
- }
-
- /* Destination of the output (data_url) */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_data_url, output->data_url);
- if (ret) {
- goto end;
- }
-
- /* total size of all stream combined */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_snapshot_max_size, output->max_size);
- if (ret) {
- goto end;
- }
-
- /* Close snapshot output element */
- ret = mi_lttng_writer_close_element(writer);
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id,
- const char *name, const char *current_session_name)
-{
- int ret;
-
- /* Open element del_snapshot */
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_command_snapshot);
- if (ret) {
- goto end;
- }
-
-
- if (id != UINT32_MAX) {
- /* "Snapshot output "id" successfully deleted
- * for "current_session_name"
- * ID of the snapshot output
- */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_id, id);
- if (ret) {
- goto end;
- }
- } else {
- /* "Snapshot output "name" successfully deleted
- * for session "current_session_name"
- * Name of the output
- */
- ret = mi_lttng_writer_write_element_string(writer, config_element_name,
- name);
- if (ret) {
- goto end;
- }
- }
-
- /* Snapshot was deleted for session "current_session_name"*/
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_session_name,
- current_session_name);
- if (ret) {
- goto end;
- }
-
- /* Close snapshot element */
- ret = mi_lttng_writer_close_element(writer);
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_snapshot_add_output(struct mi_writer *writer,
- const char *current_session_name, const char *n_ptr,
- struct lttng_snapshot_output *output)
-{
- int ret;
-
- /* Open element snapshot */
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_command_snapshot);
- if (ret) {
- goto end;
- }
-
- /* Snapshot output id */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_id, output->id);
- if (ret) {
- goto end;
- }
-
- /* Snapshot output names */
- ret = mi_lttng_writer_write_element_string(writer,
- config_element_name, n_ptr);
- if (ret) {
- goto end;
- }
-
- /* Destination of the output (ctrl_url)*/
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
- if (ret) {
- goto end;
- }
-
- /* Snapshot added for session "current_session_name"*/
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_session_name, current_session_name);
- if (ret) {
- goto end;
- }
-
- /* total size of all stream combined */
- ret = mi_lttng_writer_write_element_unsigned_int(writer,
- mi_lttng_element_snapshot_max_size, output->max_size);
- if (ret) {
- goto end;
- }
-
- /* Close snapshot element */
- ret = mi_lttng_writer_close_element(writer);
-
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int mi_lttng_snapshot_record(struct mi_writer *writer,
- const char *current_session_name, const char *url,
- const char *cmdline_ctrl_url, const char *cmdline_data_url)
-{
- int ret;
-
- /* Open element snapshot */
- ret = mi_lttng_writer_open_element(writer,
- mi_lttng_element_command_snapshot);
- if (ret) {
- goto end;
- }
-
- /*
- * If a valid an URL was given, serialize it,
- * else take the command line data and ctrl urls*/
- if (url) {
- /* Destination of the output (ctrl_url)*/
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_ctrl_url, url);
- if (ret) {
- goto end;
- }
- } else if (cmdline_ctrl_url) {
- /* Destination of the output (ctrl_url)*/
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url);
- if (ret) {
- goto end;
- }
-
- /* Destination of the output (data_url) */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_snapshot_data_url, cmdline_data_url);
- if (ret) {
- goto end;
- }
- }
-
- /* Close record_snapshot element */
- ret = mi_lttng_writer_close_element(writer);
-
-end:
- return ret;
-}
projects / lttng-tools.git / blobdiff