43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
#pragma once
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#include <stdlib.h>
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#include <stdint.h>
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#include "libp2p/utils/vector.h"
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struct JournalMessage {
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unsigned long long current_epoch;
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unsigned long long start_epoch;
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unsigned long long end_epoch;
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struct Libp2pVector* journal_entries;
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};
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struct JournalMessage* ipfs_journal_message_new();
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int ipfs_journal_message_free(struct JournalMessage* message);
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/**
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* Determine the maximum size of a protobuf'd JournalMessage
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* @param message the JournalMessage
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* @returns the maximum size of this message in bytes if it were protobuf'd
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*/
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int ipfs_journal_message_encode_size(struct JournalMessage* message);
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/***
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* Protobuf the journal message
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* @param message the JournalMessage to protobuf
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* @param buffer where to place the results
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* @param max_buffer_size the amount of memory allocated for the buffer
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* @param bytes_used the amount of the buffer used
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* @returns true(1) on success, false(0) otherwise
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*/
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int ipfs_journal_message_encode(struct JournalMessage* entry, uint8_t *buffer, size_t max_buffer_size, size_t *bytes_used);
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/***
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* Turn a protobuf'd JournalMessage and turn it into a real JournalMessage
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* @param incoming the incoming bytes
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* @param incoming_size the size of the incoming buffer
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* @param results where to put the new JournalMessage
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* @returns true(1) on success, false(0) otherwise
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*/
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int ipfs_journal_message_decode(const uint8_t *incoming, size_t incoming_size, struct JournalMessage **results);
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