cory/tildefriends
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Add a callback for when messages are added to the database. Abuse it to forward messages semi-live.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3686 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2021-11-11 00:05:07 +00:00
parent 18c90214a8
commit 63c344112d
4 changed files with 123 additions and 25 deletions
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65
src/ssb.c
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@ -94,6 +94,14 @@ typedef struct _tf_ssb_connections_changed_callback_node_t {
tf_ssb_connections_changed_callback_node_t* next;
} tf_ssb_connections_changed_callback_node_t;
typedef struct _tf_ssb_message_added_callback_node_t tf_ssb_message_added_callback_node_t;
typedef struct _tf_ssb_message_added_callback_node_t {
tf_ssb_message_added_callback_t* callback;
tf_ssb_callback_cleanup_t* cleanup;
void* user_data;
tf_ssb_message_added_callback_node_t* next;
} tf_ssb_message_added_callback_node_t;
typedef struct _tf_ssb_blob_want_added_callback_node_t tf_ssb_blob_want_added_callback_node_t;
typedef struct _tf_ssb_blob_want_added_callback_node_t {
tf_ssb_blob_want_added_callback_t* callback;
@ -142,6 +150,7 @@ typedef struct _tf_ssb_t {
tf_ssb_rpc_callback_node_t* rpc;
tf_ssb_connections_changed_callback_node_t* connections_changed;
tf_ssb_message_added_callback_node_t* message_added;
tf_ssb_blob_want_added_callback_node_t* blob_want_added;
tf_ssb_broadcasts_changed_callback_node_t* broadcasts_changed;
} tf_ssb_t;
@ -1145,6 +1154,8 @@ void tf_ssb_append_message(tf_ssb_t* ssb, JSValue message)
printf("Failed to verify message signature.\n");
}
tf_ssb_notify_message_added(ssb, id);
JS_FreeValue(context, root);
}
@ -1610,6 +1621,16 @@ void tf_ssb_destroy(tf_ssb_t* ssb)
}
free(node);
}
while (ssb->message_added)
{
tf_ssb_message_added_callback_node_t* node = ssb->message_added;
ssb->message_added = node->next;
if (node->cleanup)
{
node->cleanup(ssb, node->user_data);
}
free(node);
}
while (ssb->blob_want_added)
{
tf_ssb_blob_want_added_callback_node_t* node = ssb->blob_want_added;
@ -2270,6 +2291,50 @@ JSValue tf_ssb_connection_get_object(tf_ssb_connection_t* connection)
return connection ? connection->object : JS_UNDEFINED;
}
void tf_ssb_add_message_added_callback(tf_ssb_t* ssb, void (*callback)(tf_ssb_t* ssb, const char* id, void* user_data), void (*cleanup)(tf_ssb_t* ssb, void* user_data), void* user_data)
{
tf_ssb_message_added_callback_node_t* node = malloc(sizeof(tf_ssb_message_added_callback_node_t));
*node = (tf_ssb_message_added_callback_node_t)
{
.callback = callback,
.cleanup = cleanup,
.user_data = user_data,
.next = ssb->message_added,
};
ssb->message_added = node;
}
void tf_ssb_remove_message_added_callback(tf_ssb_t* ssb, tf_ssb_message_added_callback_t* callback, void* user_data)
{
tf_ssb_message_added_callback_node_t** it = &ssb->message_added;
while (*it)
{
if ((*it)->callback == callback &&
(*it)->user_data == user_data)
{
tf_ssb_message_added_callback_node_t* node = *it;
*it = node->next;
if (node->cleanup)
{
node->cleanup(ssb, node->user_data);
}
free(node);
}
else
{
*it = (*it)->next;
}
}
}
void tf_ssb_notify_message_added(tf_ssb_t* ssb, const char* id)
{
for (tf_ssb_message_added_callback_node_t* node = ssb->message_added; node; node = node->next)
{
node->callback(ssb, id, node->user_data);
}
}
void tf_ssb_add_blob_want_added_callback(tf_ssb_t* ssb, void (*callback)(tf_ssb_t* ssb, const char* id, void* user_data), void (*cleanup)(tf_ssb_t* ssb, void* user_data), void* user_data)
{
tf_ssb_blob_want_added_callback_node_t* node = malloc(sizeof(tf_ssb_blob_want_added_callback_node_t));