103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#ifndef SINGLE_PRIMARY_MESSAGE_INCLUDED
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#define SINGLE_PRIMARY_MESSAGE INCLUDED
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#include <string>
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#include <set>
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#include <vector>
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#include "gcs_plugin_messages.h"
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class Single_primary_message : public Plugin_gcs_message
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{
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public:
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enum enum_payload_item_type
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{
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// This type should not be used anywhere.
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PIT_UNKNOWN= 0,
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// Length of the payload item: 2 bytes
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PIT_SINGLE_PRIMARY_MESSAGE_TYPE= 1,
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// No valid type codes can appear after this one.
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PIT_MAX= 2
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};
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/**
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The several single primary type messages.
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*/
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typedef enum
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{
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/**This type should not be used anywhere.*/
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SINGLE_PRIMARY_UNKNOWN= 0,
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/**A new primary was elected.*/
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SINGLE_PRIMARY_NEW_PRIMARY_MESSAGE= 1,
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/**Primary did apply queue after election.*/
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SINGLE_PRIMARY_QUEUE_APPLIED_MESSAGE= 2,
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/**The end of the enum.*/
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SINGLE_PRIMARY_MESSAGE_TYPE_END= 3
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} Single_primary_message_type;
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/**
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Message constructor
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@param[in] type the single primary message type
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*/
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Single_primary_message(Single_primary_message_type type);
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/**
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Message destructor
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*/
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virtual ~Single_primary_message();
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/**
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Message constructor for raw data
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@param[in] buf raw data
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@param[in] len raw length
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*/
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Single_primary_message(const uchar* buf, uint64 len);
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/** Returns this single primary message type */
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Single_primary_message_type get_single_primary_message_type()
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{
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return single_primary_message_type;
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}
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protected:
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/**
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Encodes the message contents for transmission.
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@param[out] buffer the message buffer to be written
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*/
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void encode_payload(std::vector<unsigned char>* buffer) const;
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/**
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Message decoding method
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@param[in] buffer the received data
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@param[in] end the end of buffer
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*/
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void decode_payload(const unsigned char* buffer,
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const unsigned char* end);
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private:
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/**The message type*/
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Single_primary_message_type single_primary_message_type;
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};
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#endif /* SINGLE_PRIMARY_MESSAGE_INCLUDED */
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