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Add contact and transport keys in the same transaction.

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This avoids a potential problem where the app crashes after adding the contact but before adding the transport keys, leaving the contact unusable.
This commit is contained in:
akwizgran
2016-02-26 10:57:32 +00:00
parent 8c8b2a5358
commit 1d89c6cebc
9 changed files with 37 additions and 50 deletions
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5
briar-api/src/org/briarproject/api/contact/ContactManager.java
View File

@@ -1,5 +1,6 @@
package org.briarproject.api.contact;
import org.briarproject.api.crypto.SecretKey;
import org.briarproject.api.db.DbException;
import org.briarproject.api.db.Transaction;
import org.briarproject.api.identity.Author;
@@ -19,8 +20,8 @@ public interface ContactManager {
* Stores a contact associated with the given local and remote pseudonyms,
* and returns an ID for the contact.
*/
ContactId addContact(Author remote, AuthorId local, boolean active)
throws DbException;
ContactId addContact(Author remote, AuthorId local, SecretKey master,
long timestamp, boolean alice, boolean active) throws DbException;
/** Returns the contact with the given ID. */
Contact getContact(ContactId c) throws DbException;

6
briar-api/src/org/briarproject/api/transport/KeyManager.java
View File

@@ -3,6 +3,8 @@ package org.briarproject.api.transport;
import org.briarproject.api.TransportId;
import org.briarproject.api.contact.ContactId;
import org.briarproject.api.crypto.SecretKey;
import org.briarproject.api.db.DbException;
import org.briarproject.api.db.Transaction;
/**
* Responsible for managing transport keys and recognising the pseudo-random
@@ -16,8 +18,8 @@ public interface KeyManager {
* {@link StreamContext StreamContexts} for the contact can be created
* after this method has returned.
*/
void addContact(ContactId c, SecretKey master, long timestamp,
boolean alice);
void addContact(Transaction txn, ContactId c, SecretKey master,
long timestamp, boolean alice) throws DbException;
/**
* Returns a {@link StreamContext} for sending a stream to the given