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Add database methods for sending unacked messages.

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This commit is contained in:
akwizgran
2021-06-07 17:27:46 +01:00
parent 608e1eac6b
commit 9a58b37ce2
4 changed files with 114 additions and 0 deletions
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23
bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java
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@@ -190,6 +190,18 @@ public interface DatabaseComponent extends TransactionManager {
Collection<Message> generateBatch(Transaction txn, ContactId c,
int maxLength, int maxLatency) throws DbException;
/**
* Returns a batch of messages for the given contact containing the
* messages with the given IDs, for transmission over a transport with
* the given maximum latency.
* <p/>
* If any of the given messages are not in the database or are not visible
* to the contact, they are omitted from the batch without throwing an
* exception.
*/
Collection<Message> generateBatch(Transaction txn, ContactId c,
Collection<MessageId> ids, int maxLatency) throws DbException;
/**
* Returns an offer for the given contact for transmission over a
* transport with the given maximum latency, or null if there are no
@@ -446,6 +458,17 @@ public interface DatabaseComponent extends TransactionManager {
MessageStatus getMessageStatus(Transaction txn, ContactId c, MessageId m)
throws DbException;
/**
* Returns the IDs of all messages that are eligible to be sent to the
* given contact, together with their raw lengths. This may include
* messages that have already been sent and are not yet due for
* retransmission.
* <p/>
* Read-only.
*/
Map<MessageId, Integer> getUnackedMessagesToSend(Transaction txn,
ContactId c) throws DbException;
/**
* Returns the next time (in milliseconds since the Unix epoch) when a
* message is due to be deleted, or {@link #NO_CLEANUP_DEADLINE}