c-ipfs/include/ipfs/journal/journal_entry.h

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2017-08-24 15:08:27 +00:00
#pragma once
/**
* A journal entry protobuf
*/
#include <stdlib.h>
#include <stdint.h>
struct JournalEntry {
unsigned long long timestamp;
uint8_t pin;
uint8_t *hash;
size_t hash_size;
};
struct JournalEntry* ipfs_journal_entry_new();
int ipfs_journal_entry_free(struct JournalEntry* entry);
/**
* Determine the maximum size of a protobuf'd JournalEntry
*/
int ipfs_journal_entry_encode_size(struct JournalEntry* entry);
/***
* Protobuf the journal entry
* @param entry the JournalEntry to protobuf
* @param buffer where to place the results
* @param max_buffer_size the amount of memory allocated for the buffer
* @param bytes_used the amount of the buffer used
* @returns true(1) on success, false(0) otherwise
*/
int ipfs_journal_entry_encode(struct JournalEntry* entry, uint8_t *buffer, size_t max_buffer_size, size_t *bytes_used);
/***
* Turn a protobuf'd JournalEntry and turn it into a real JournalEntry
* @param incoming the incoming bytes
* @param incoming_size the size of the incoming buffer
* @param results where to put the new JournalEntry
* @returns true(1) on success, false(0) otherwise
*/
int ipfs_journal_entry_decode(uint8_t *incoming, size_t incoming_size, struct JournalEntry **results);