/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Ola.proto
 * Defines the protocol buffers used to talk to olad
 * Copyright (C) 2005 - 2008 Simon Newton
 */

package ola.proto;

enum RegisterAction {
  REGISTER = 1;
  UNREGISTER = 2;
}

enum PatchAction {
  PATCH = 1;
  UNPATCH = 2;
}

enum MergeMode {
  HTP = 1;
  LTP = 2;
}

enum PluginIds {
  OLA_PLUGIN_ALL = 0;
  OLA_PLUGIN_DUMMY = 1;
  OLA_PLUGIN_ARTNET = 2;
  OLA_PLUGIN_SHOWNET = 3;
  OLA_PLUGIN_ESPNET = 4;
  OLA_PLUGIN_USBPRO = 5;
  OLA_PLUGIN_OPENDMX = 6;
  OLA_PLUGIN_SANDNET = 7;
  OLA_PLUGIN_STAGEPROFI = 8;
  OLA_PLUGIN_PATHPORT = 9;
  OLA_PLUGIN_DMX4LINUX = 10;
  OLA_PLUGIN_E131 = 11;
  OLA_PLUGIN_USBDMX = 12;
}



// This is a special string which indicates that no response will be received
// for an RPC.
message STREAMING_NO_RESPONSE {}

// Generic Ack Message
message Ack {}

// request the list of available plugins
message PluginListRequest {}

message PluginInfo {
  required int32 plugin_id = 1;
  required string name = 2;
}

message PluginListReply {
  repeated PluginInfo plugin = 1;
}

// request the description for a plugin
message PluginDescriptionRequest {
  required int32 plugin_id = 1;
}

message PluginDescriptionReply {
  required string name = 1;
  required string description = 2;
}


// request info on a device
message DeviceInfoRequest {
  optional int32 plugin_id = 1;
}

message PortInfo {
  required int32 port_id = 1;
  required int32 priority_capability = 2;
  required string description = 5;
  optional int32 universe = 3;
  optional bool active = 4;
  optional int32 priority_mode = 6;
  optional int32 priority = 7;
}

message DeviceInfo {
  required int32 device_alias = 1;
  required int32 plugin_id = 2;
  required string device_name = 3;
  repeated PortInfo input_port = 4;
  repeated PortInfo output_port = 5;
  required string device_id = 6;
}

message DeviceInfoReply {
  repeated DeviceInfo device = 1;
}

message DmxData {
  required int32 universe = 1;
  required bytes data = 2;
  optional int32 priority = 3;
}

message RegisterDmxRequest {
  required int32 universe = 1;
  required RegisterAction action = 2;
}

message PatchPortRequest {
  required int32 universe = 1;
  required int32 device_alias = 2;
  required int32 port_id = 3;
  required PatchAction action = 4;
  required bool is_output = 5;
}

message UniverseNameRequest {
  required int32 universe = 1;
  required string name = 2;
}

message MergeModeRequest {
  required int32 universe = 1;
  required MergeMode merge_mode = 2;
}

// request info about a universe
message OptionalUniverseRequest {
  optional int32 universe = 1;
}

message UniverseInfo {
  required int32 universe = 1;
  required string name = 2;
  required MergeMode merge_mode = 3;
  required int32 input_port_count = 4;
  required int32 output_port_count = 5;
  required int32 rdm_devices = 6;
}

message UniverseInfoReply {
  repeated UniverseInfo universe = 1;
}

message PortPriorityRequest {
  required int32 device_alias = 1;
  required bool is_output = 2;
  required int32 port_id = 3;
  required int32 priority_mode = 4;
  optional int32 priority = 5;
}



// a device config request
message DeviceConfigRequest {
  required int32 device_alias = 1;
  required bytes data = 2;
}

message DeviceConfigReply {
  required bytes data = 1;
}

// RDM Messages
// This represents a UID
message UID {
  required int32 esta_id = 1;  // only lower 2 bytes are used
  required fixed32 device_id = 2;
}

// Request the UID list for a universe
message UniverseRequest {
  required int32 universe = 1;
}

message UIDListReply {
  required int32 universe = 1;
  repeated UID uid = 2;
}

message RDMRequest {
  required int32 universe = 1;
  required UID uid = 2;
  required int32 sub_device = 3;
  required int32 param_id = 4;
  required bytes data = 5; // 0 - 231 bytes
  required bool is_set = 6;
}

message RDMResponse {
  required bool was_broadcast = 1;
  required uint32 response_code = 2;
  required uint32 message_count = 3;
  required bytes data = 4; // 0 - 231 bytes
}

// Services

// RPCs handled by the OLA Server
service OlaServerService {
  rpc GetPlugins (PluginListRequest) returns (PluginListReply);
  rpc GetPluginDescription (PluginDescriptionRequest) returns
    (PluginDescriptionReply);
  rpc GetDeviceInfo (DeviceInfoRequest) returns (DeviceInfoReply);
  rpc GetCandidatePorts (OptionalUniverseRequest) returns (DeviceInfoReply);
  rpc ConfigureDevice (DeviceConfigRequest) returns (DeviceConfigReply);
  rpc SetPortPriority (PortPriorityRequest) returns (Ack);
  rpc GetUniverseInfo (OptionalUniverseRequest) returns (UniverseInfoReply);
  rpc SetUniverseName (UniverseNameRequest) returns (Ack);
  rpc SetMergeMode (MergeModeRequest) returns (Ack);
  rpc PatchPort (PatchPortRequest) returns (Ack);
  rpc RegisterForDmx (RegisterDmxRequest) returns (Ack);
  rpc UpdateDmxData (DmxData) returns (Ack);
  rpc GetDmx (UniverseRequest) returns (DmxData);
  rpc GetUIDs (UniverseRequest) returns (UIDListReply);
  rpc ForceDiscovery (UniverseRequest) returns (Ack);
  rpc SetSourceUID (UID) returns (Ack);
  rpc RDMCommand (RDMRequest) returns (RDMResponse);
  rpc StreamDmxData (DmxData) returns (STREAMING_NO_RESPONSE);
}

// RPCs handled by the OLA Client
service OlaClientService {
  rpc UpdateDmxData (DmxData) returns (Ack);
}