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Implemented client side of journaling protocol

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This commit is contained in:
jmjatlanta 2017-08-28 06:56:22 -05:00
parent 60c6085469
commit 1b69cdf1e8
6 changed files with 210 additions and 26 deletions
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57
include/ipfs/repo/config/replication.h
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@ -1,10 +1,32 @@
#pragma once
#include "libp2p/utils/vector.h"
#include "libp2p/peer/peer.h"
struct ReplicationPeer {
struct Libp2pPeer* peer;
unsigned long long lastConnect;
unsigned long long lastJournalTime;
};
struct Replication {
int announce_minutes;
struct Libp2pVector* nodes;
struct Libp2pVector* replication_peers;
};
/**
* Allocate a new ReplicationPeer struct
* @returns the new struct
*/
struct ReplicationPeer* repo_config_replication_peer_new();
/***
* Free the resources of a ReplicationPeer
* @param rp the ReplicationPeer to free
* @returns true(1)
*/
int repo_config_replication_peer_free(struct ReplicationPeer* rp);
/***
* allocate memory and initialize the replication struct
* @param replication a pointer to the struct to be allocated
@ -18,3 +40,36 @@ int repo_config_replication_new(struct Replication** replication);
* @returns true(1);
*/
int repo_config_replication_free(struct Replication* replication);
/***
* Determines if this peer is one of our approved replication nodes
* @param replication the replication struct
* @param peer the peer to examine
* @returns true(1) if this peer should be kept syncronized, false(0) otherwise
*/
int repo_config_replication_approved_node(struct Replication* replication, struct Libp2pPeer* peer);
/**
* Determine the last time a replication was successful for this peer (at least we sent it something without error)
* @param replication the replication struct
* @param peer the peer to examine
* @returns the time since the last replication, or the announce time if we have no record
*/
unsigned long long repo_config_replication_last_attempt(struct Replication* replication, struct Libp2pPeer* peer);
/***
* Determine the last journal record time that was sent to this peer
* @param replication the replication struct
* @param peer the peer to examine
* @returns the time of the last journal entry successfully sent
*/
unsigned long long repo_config_replication_last_journal_time(struct Replication* replication, struct Libp2pPeer* peer);
/***
* Given a peer, return the ReplicationPeer record
* @param replication the context
* @param key the peer to look for
* @returns the ReplicationPeer struct, or NULL if not found
*/
struct ReplicationPeer* repo_config_get_replication_peer(struct Replication* replication, struct Libp2pPeer* key);