/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.sling.distribution.journal.messages;

message PackageMessage {
   enum ReqType {
       ADD = 0;
       DELETE = 1;
       TEST = 2;
   }
   required string pubSlingId = 1;      // Publisher agent Sling identifier
   //required int32 maxRetries = 9;
   required ReqType reqType = 4;      // The request type
   required string pkgId = 3;           // Content package identifier
   required string pkgType = 11;        // The package type
   optional int64 pkgLength = 5;
   optional bytes pkgBinary = 6;        // The content package binary. Either the pkgBinary or the pkgBinaryRef field MUST be set.
   optional string pkgBinaryRef = 10;   // The reference to the content binary in the shared blob store.  Either the pkgBinary or the pkgBinaryRef field MUST be set.
   optional string pubAgentName = 2;    // Publisher agent name
   optional string userId = 12;
   repeated string paths = 7;
   repeated string deepPaths = 8;
}

message PackageStatusMessage {
   enum Status {
       REMOVED_FAILED = 0;                       // The package has been removed automatically after failing every retry attempts
       REMOVED = 1;                              // The package has been removed explicitly
       IMPORTED = 2;                             // The package has been imported
   }
   required string subSlingId = 1;               // Subscriber agent Sling identifier
   required string subAgentName = 2;             // Subscriber agent name
   required string pubAgentName = 3;             // Publisher agent name
   required int64 offset = 4;                    // The offset of the package for which the status is given
   required Status status = 5;                   // The package status
}


message SubscriberState {
   required string pubAgentName = 1;    // Publisher agent name
   required int64 offset = 2;           // Last processed offset on the Subscriber agent
   optional int32 retries = 3;          // Nb of retries for the current offset on the Subscriber agent
}

message SubscriberConfiguration {
   required bool editable = 1;
   required int32 maxRetries = 2;       // The max number of retry attempts to process this package. A value smaller than zero indicates an infinite number of retry attempts. A value greater or equal to zero indicates a specific number of retry attempts.
}

message DiscoveryMessage {
   required string subSlingId = 1;               // Subscriber agent Sling identifier
   required string subAgentName = 2;             // Subscriber agent name
   repeated SubscriberState subscriberState = 3;
   required SubscriberConfiguration subscriberConfiguration = 4;
}

message ClearCommand {
   required int64 offset = 1;
}

message CommandMessage {
   required string subSlingId = 1;               // Subscriber agent Sling identifier
   required string subAgentName = 2;             // Subscriber agent name
   optional ClearCommand clearCommand = 3;
}

message PingMessage {
}