<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (c) 2014 - Oliver Cotte <olivier.cotte@polymtl.ca>
                   - Jonathan Rajotte <jonathan.r.julien@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
	elementFormDefault="qualified" version="2.7">

	<!-- Maps to the uint32_t type -->
	<xs:simpleType name="uint32_type">
		<xs:restriction base="xs:integer">
			<xs:minInclusive value="0" />
			<xs:maxInclusive value="4294967295" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the uint64_t type -->
	<xs:simpleType name="uint64_type">
		<xs:restriction base="xs:integer">
			<xs:minInclusive value="0" />
			<xs:maxInclusive value="18446744073709551615" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the char name[LTTNG_SYMBOL_NAME_LEN] -->
	<xs:simpleType name="name_type">
		<xs:restriction base="xs:string">
			<xs:maxLength value="255" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_event_type enum -->
	<xs:simpleType name="event_type_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="ALL" />
			<xs:enumeration value="TRACEPOINT" />
			<xs:enumeration value="PROBE" />
			<xs:enumeration value="FUNCTION" />
			<xs:enumeration value="FUNCTION_ENTRY" />
			<xs:enumeration value="NOOP" />
			<xs:enumeration value="SYSCALL" />
			<xs:enumeration value="KPROBE" />
			<xs:enumeration value="KRETPROBE" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_event_field_type enum -->
	<xs:simpleType name="event_field_type_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="OTHER" />
			<xs:enumeration value="INTEGER" />
			<xs:enumeration value="ENUM" />
			<xs:enumeration value="FLOAT" />
			<xs:enumeration value="STRING" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_loglevel_type enum -->
	<xs:simpleType name="loglevel_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="ALL" />
			<xs:enumeration value="RANGE" />
			<xs:enumeration value="SINGLE" />
			<xs:enumeration value="UNKNOWN" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_event_context_type enum -->
	<xs:simpleType name="context_type_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="PERF_COUNTER" />
			<xs:enumeration value="PERF_CPU_COUNTER" />
			<xs:enumeration value="PERF_THREAD_COUNTER" />
			<xs:enumeration value="PID" />
			<xs:enumeration value="PROCNAME" />
			<xs:enumeration value="PRIO" />
			<xs:enumeration value="NICE" />
			<xs:enumeration value="VPID" />
			<xs:enumeration value="TID" />
			<xs:enumeration value="VTID" />
			<xs:enumeration value="PPID" />
			<xs:enumeration value="VPPID" />
			<xs:enumeration value="PTHREAD_ID" />
			<xs:enumeration value="HOSTNAME" />
			<xs:enumeration value="IP" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to loglevel_string char * -->
	<xs:simpleType name="loglevel_string_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="" />
			<xs:enumeration value="TRACE_EMERG" />
			<xs:enumeration value="TRACE_ALERT" />
			<xs:enumeration value="TRACE_CRIT" />
			<xs:enumeration value="TRACE_ERR" />
			<xs:enumeration value="TRACE_WARNING" />
			<xs:enumeration value="TRACE_NOTICE" />
			<xs:enumeration value="TRACE_INFO" />
			<xs:enumeration value="TRACE_DEBUG_SYSTEM" />
			<xs:enumeration value="TRACE_DEBUG_PROGRAM" />
			<xs:enumeration value="TRACE_DEBUG_PROCESS" />
			<xs:enumeration value="TRACE_DEBUG_MODULE" />
			<xs:enumeration value="TRACE_DEBUG_UNIT" />
			<xs:enumeration value="TRACE_DEBUG_FUNCTION" />
			<xs:enumeration value="TRACE_DEBUG_LINE" />
			<xs:enumeration value="TRACE_DEBUG" />
			<xs:enumeration value="JUL_OFF" />
			<xs:enumeration value="JUL_SEVERE" />
			<xs:enumeration value="JUL_WARNING" />
			<xs:enumeration value="JUL_INFO" />
			<xs:enumeration value="JUL_CONFIG" />
			<xs:enumeration value="JUL_FINE" />
			<xs:enumeration value="JUL_FINER" />
			<xs:enumeration value="JUL_FINEST" />
			<xs:enumeration value="JUL_ALL" />
			<xs:enumeration value="LOG4J_OFF" />
			<xs:enumeration value="LOG4J_FATAL" />
			<xs:enumeration value="LOG4J_ERROR" />
			<xs:enumeration value="LOG4J_WARN" />
			<xs:enumeration value="LOG4J_INFO" />
			<xs:enumeration value="LOG4J_DEBUG" />
			<xs:enumeration value="LOG4J_TRACE" />
			<xs:enumeration value="LOG4J_ALL" />
			<xs:enumeration value="PYTHON_CRITICAL" />
			<xs:enumeration value="PYTHON_ERROR" />
			<xs:enumeration value="PYTHON_WARNING" />
			<xs:enumeration value="PYTHON_INFO" />
			<xs:enumeration value="PYTHON_DEBUG" />
			<xs:enumeration value="PYTHON_NOTSET" />
			<xs:enumeration value="UNKNOWN" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_calibrate_type enum -->
	<xs:simpleType name="calibrate_type_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="FUNCTION" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_event_probe_attr struct -->
	<xs:complexType name="event_probe_attributes_type">
		<xs:all>
			<xs:element name="address" type="uint64_type" minOccurs="0" />
			<xs:element name="offset" type="uint64_type" minOccurs="0" />
			<xs:element name="symbol_name" type="name_type" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to the lttng_event_function_attr struct -->
	<xs:complexType name="event_ftrace_attributes_type">
		<xs:all>
			<xs:element name="symbol_name" type="name_type" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to per event type configuration -->
	<xs:complexType name="event_attributes_type">
		<xs:choice>
			<xs:element name="probe_attributes" type="event_probe_attributes_type" />
			<xs:element name="function_attributes" type="event_ftrace_attributes_type" />
		</xs:choice>
	</xs:complexType>

	<!-- Maps to exclusion type -->
	<xs:complexType name="event_exclusion_list_type">
		<xs:sequence>
			<xs:element name="exclusion" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to lttng_event struct -->
	<xs:complexType name="event_type">
		<xs:all>
			<xs:element name="type" type="event_type_type" default="TRACEPOINT" minOccurs="0" />
			<xs:element name="name" type="name_type" minOccurs="0" />
			<xs:element name="loglevel_type" type="loglevel_type" default="ALL" minOccurs="0" />
			<xs:element name="loglevel" type="loglevel_string_type" default="" minOccurs="0" />
			<xs:element name="enabled" type="xs:boolean" default="false" minOccurs="0" />
			<xs:element name="filter" type="xs:boolean" minOccurs="0" />
			<xs:element name="exclusion" type="xs:boolean" minOccurs="0" />
			<xs:element name="exclusions" type="event_exclusion_list_type" minOccurs="0"/>
			<xs:element name="attributes" type="event_attributes_type" minOccurs="0" />
			<xs:element name="event_fields" type="event_fields_type" minOccurs="0" />
			<xs:element name="success" type="xs:boolean" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to mi_lttng_version struct -->
	<xs:complexType name="version_type">
		<xs:all>
			<xs:element name="name" type="name_type" />
			<xs:element name="string" type="name_type" />
			<xs:element name="major" type="uint32_type" />
			<xs:element name="url" type="xs:string" />
			<xs:element name="minor" type="uint32_type" />
			<xs:element name="commit" type="xs:string" />
			<xs:element name="license" type="xs:string" />
			<xs:element name="patchLevel" type="uint32_type" />
			<xs:element name="description" type="xs:string" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to an array of event -->
	<xs:complexType name="event_list_type">
		<xs:sequence>
			<xs:element name="event" type="event_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to the lttng_domain_type enum -->
	<xs:simpleType name="domain_type_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="KERNEL"/>
			<xs:enumeration value="UST"/>
			<xs:enumeration value="JUL"/>
			<xs:enumeration value="LOG4J"/>
			<xs:enumeration value="PYTHON"/>
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_buffer_type enum -->
	<xs:simpleType name="domain_buffer_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="PER_PID"/>
			<xs:enumeration value="PER_UID"/>
			<xs:enumeration value="GLOBAL"/>
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the type mode of a channel -->
	<xs:simpleType name="channel_overwrite_mode_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="DISCARD" />
			<xs:enumeration value="OVERWRITE" />
		</xs:restriction>
	</xs:simpleType>

	<!-- Maps to the lttng_event_output enum -->
	<xs:simpleType name="event_output_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="SPLICE" />
			<xs:enumeration value="MMAP" />
		</xs:restriction>
	</xs:simpleType>

	<!-- map to a pid -->
	<xs:complexType name="pid_type">
		<xs:all>
			<xs:element name="id" type="xs:int" />
			<xs:element name="name" type="name_type" />
			<xs:element name="events" type="event_list_type" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- maps to an array of pid -->
	<xs:complexType name="pids_type">
		<xs:sequence>
			<xs:element name="pid" type="pid_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<xs:simpleType name="pidbyint">
		<xs:restriction base="xs:integer">
			<xs:minInclusive value="0"/>
			<xs:maxInclusive value="4294967295" />
		</xs:restriction>
	</xs:simpleType>

	<xs:simpleType name="pidwildcard">
		<xs:restriction base="xs:string">
			<xs:enumeration value="*"/>
		</xs:restriction>
	</xs:simpleType>

	<xs:complexType name="pid_target_type">
		<xs:all>
			<xs:element name="pid">
				<xs:simpleType>
					<xs:union memberTypes="pidbyint pidwildcard" />
				</xs:simpleType>
			</xs:element>
			<xs:element name="success" type="xs:boolean" default="false" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to a list of pid_targets-->
	<xs:complexType name="targets_type">
		<xs:sequence>
			<xs:choice>
				<xs:element name="pid_target" type="pid_target_type" minOccurs="0" maxOccurs="unbounded"/>
			</xs:choice>
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to a pid_tracker-->
	<xs:complexType name="pid_tracker_type">
		<xs:all>
			<xs:element name="targets" type="targets_type" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to a list of trackers-->
	<xs:complexType name="trackers_type">
		<xs:sequence minOccurs="0" maxOccurs="unbounded">
			<xs:element name="pid_tracker" type="pid_tracker_type" maxOccurs="1" />
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to struct lttng_domain and contains channels -->
	<xs:complexType name="domain_type">
		<xs:all>
			<xs:element name="type" type="domain_type_type" />
			<xs:element name="buffer_type" type="domain_buffer_type" />
			<xs:element name="pids" type="pids_type" minOccurs="0" />
			<xs:element name="channels" type="channels_type" minOccurs="0" />
			<xs:element name="events" type="event_list_type" minOccurs="0" />
			<xs:element name="trackers" type="trackers_type" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to struct lttng_channel -->
	<xs:complexType name="channel_type">
		<xs:all>
			<xs:element name="name" type="name_type" />
			<xs:element name="enabled" type="xs:boolean" default="true" minOccurs="0" />
			<xs:element name="attributes" type="channel_attributes_type" minOccurs="0" />
			<xs:element name="events" type="event_list_type" minOccurs="0" />
			<xs:element name="success" type="xs:boolean" default="false" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to struct lttng_channel_attr -->
	<xs:complexType name="channel_attributes_type">
		<xs:all>
			<xs:element name="overwrite_mode" type="channel_overwrite_mode_type" default="DISCARD" minOccurs="0" />
			<xs:element name="subbuffer_size" type="uint64_type" minOccurs="0" /> <!-- bytes -->
			<xs:element name="subbuffer_count" type="uint64_type" default="4" minOccurs="0" />
			<xs:element name="switch_timer_interval" type="uint32_type" default="0" minOccurs="0" />  <!-- usec -->
			<xs:element name="read_timer_interval" type="uint32_type" />  <!-- usec -->
			<xs:element name="output_type" type="event_output_type" />
			<xs:element name="tracefile_size" type="uint64_type" default="0" minOccurs="0" /> <!-- bytes -->
			<xs:element name="tracefile_count" type="uint64_type" default="0" minOccurs="0" />
			<xs:element name="live_timer_interval" type="uint32_type" default="0" minOccurs="0" /> <!-- usec -->
		</xs:all>
	</xs:complexType>

	<!-- Maps to struct lttng_snapshot_output -->
	<xs:complexType name="snapshot_type">
		<xs:all>
			<xs:element name="id" type="uint32_type" minOccurs="0" />
			<xs:element name="max_size" type="uint64_type" minOccurs="0" />
			<xs:element name="name" type="name_type" minOccurs="0" />
			<xs:element name="session_name" type="name_type" minOccurs="0" />
			<xs:element name="ctrl_url" type="name_type" minOccurs="0" />
			<xs:element name="data_url" type="name_type" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<xs:complexType name="snapshots_type">
		<xs:sequence>
			<xs:element name="snapshot" type="snapshot_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<xs:complexType name="channels_type">
		<xs:sequence>
			<xs:element name="channel" type="channel_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to a lttng_session -->
	<xs:complexType name="session_type">
		<xs:all>
			<xs:element name="name" type="name_type" />
			<xs:element name="path" type="name_type" minOccurs="0" />
			<xs:element name="enabled" type="xs:boolean" default="false" minOccurs="0" />
			<xs:element name="snapshot_mode" type="uint32_type" minOccurs="0" />
			<xs:element name="live_timer_interval" type="uint32_type" minOccurs="0" />
			<xs:element name="channels" type="channels_type" minOccurs="0" />
			<xs:element name="domains" type="domains_type" minOccurs="0" />
			<xs:element name="snapshots" type="snapshots_type" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to a lttng_event_field -->
	<xs:complexType name="event_field_type">
		<xs:all>
			<xs:element name="name" type="name_type" />
			<xs:element name="type" type="event_field_type_type" />
			<xs:element name="nowrite" type="xs:int" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to the save command -->
	<xs:complexType name="save_type">
		<xs:all>
			<xs:element name="session" type="session_type" />
			<xs:element name="path" type="name_type" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to the load command -->
	<xs:complexType name="load_type">
		<xs:all>
			<xs:element name="session" type="session_type" />
			<xs:element name="path" type="name_type" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to struct lttng_calibrate -->
	<xs:complexType name="calibrate_type">
		<xs:all>
			<xs:element name="type" type="calibrate_type_type" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to lttng_event_perf_counter_ctx -->
	<xs:complexType name="perf_counter_context_type">
		<xs:all>
			<xs:element name="type" type="uint32_type" />
			<xs:element name="config" type="uint64_type" />
			<xs:element name="name" type="name_type" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to lttng_event_context -->
	<xs:complexType name="context_type">
		<xs:all>
			<xs:element name="type" type="context_type_type" />
			<xs:element name="perf_counter_context" type="perf_counter_context_type" minOccurs="0" />
			<xs:element name="success" type="xs:boolean" default="false" minOccurs="0" />
		</xs:all>
	</xs:complexType>

	<!-- Maps to an array of domain -->
	<xs:complexType name="domains_type">
		<xs:sequence>
			<xs:element name="domain" type="domain_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to an array of session -->
	<xs:complexType name="sessions_type">
		<xs:sequence>
			<xs:element name="session" type="session_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to an array of event_field -->
	<xs:complexType name="event_fields_type">
		<xs:sequence>
			<xs:element name="event_field" type="event_field_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to an array of context -->
	<xs:complexType name="contexts_type">
		<xs:sequence>
			<xs:element name="context" type="context_type" minOccurs="0" maxOccurs="unbounded" />
		</xs:sequence>
	</xs:complexType>

	<!-- Maps to an action dutring snapshot command -->
	<xs:complexType name="snapshot_action_type">
		<xs:sequence>
			<xs:element name="name" type="snapshot_actiontype_type" minOccurs="0" />
			<xs:element name="output" type="output_type" minOccurs="0" />
		</xs:sequence>
	</xs:complexType>

	<!-- Type of snapshot commands -->
	<xs:simpleType name="snapshot_actiontype_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="list-output" />
			<xs:enumeration value="del-output" />
			<xs:enumeration value="add-output" />
			<xs:enumeration value="record-output" />
		</xs:restriction>
	</xs:simpleType>

	<xs:complexType name="output_type">
		<xs:choice>
			<xs:element name="domains" type="domains_type" minOccurs="0" />
			<xs:element name="sessions" type="sessions_type" minOccurs="0" />
			<xs:element name="session" type="session_type" minOccurs="0" />
			<xs:element name="snapshot_action" type="snapshot_action_type" minOccurs="0" />
			<xs:element name="snapshot" type="snapshot_type" minOccurs="0" />
			<xs:element name="version" type="version_type" minOccurs="0" />
			<xs:element name="save" type="save_type" minOccurs="0" />
			<xs:element name="load" type="load_type" minOccurs="0" />
			<xs:element name="calibrate" type="calibrate_type" minOccurs="0" />
			<xs:element name="contexts" type="contexts_type" minOccurs="0" />
			<xs:element name="channels" type="channels_type" minOccurs="0" />
			<xs:element name="events" type="event_list_type" minOccurs="0" />
			<xs:element name="channel" type="channel_type" minOccurs="0" />
			<xs:element name="targets" type="targets_type" minOccurs="0" />
		</xs:choice>
	</xs:complexType>

	<!-- Maps to the mi_lttng commands -->
	<xs:simpleType name="command_string_type">
		<xs:restriction base="xs:string">
			<xs:enumeration value="create" />
			<xs:enumeration value="list" />
			<xs:enumeration value="snapshot" />
			<xs:enumeration value="version" />
			<xs:enumeration value="save" />
			<xs:enumeration value="load" />
			<xs:enumeration value="start" />
			<xs:enumeration value="stop" />
			<xs:enumeration value="destroy" />
			<xs:enumeration value="calibrate" />
			<xs:enumeration value="add-context" />
			<xs:enumeration value="enable-channel" />
			<xs:enumeration value="enable-event" />
			<xs:enumeration value="set-session" />
			<xs:enumeration value="disable-event" />
			<xs:enumeration value="disable-channel" />
			<xs:enumeration value="track" />
			<xs:enumeration value="untrack" />
		</xs:restriction>
	</xs:simpleType>

	<xs:element name="command">
		<xs:complexType>
			<xs:all>
				<xs:element name="name" type="command_string_type" maxOccurs="1" />
				<xs:element name="output" type="output_type" maxOccurs="1" />
				<xs:element name="success" type="xs:boolean" minOccurs="0" maxOccurs="1" />
			</xs:all>
		</xs:complexType>
	</xs:element>
</xs:schema>
