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feat: make custommsg hook chainable

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Changelog-Changed: custommsg hook is now chainable
This commit is contained in:
Michael Schmoock 2021-01-27 12:49:55 +01:00 committed by Rusty Russell
parent a5f16ab5b1
commit 8e71c7a1f1
2 changed files with 27 additions and 7 deletions
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27
lightningd/peer_control.c
View File

@ -2410,10 +2410,28 @@ struct custommsg_payload {
const u8 *msg;
};
static void custommsg_callback(struct custommsg_payload *payload STEALS,
static bool custommsg_cb(struct custommsg_payload *payload,
const char *buffer, const jsmntok_t *toks)
{
tal_free(payload);
const jsmntok_t *t_res;
if (!toks || !buffer)
return true;
t_res = json_get_member(buffer, toks, "result");
/* fail */
if (!t_res || !json_tok_streq(buffer, t_res, "continue"))
fatal("Plugin returned an invalid response to the "
"custommsg hook: %s", buffer);
/* call next hook */
return true;
}
static void custommsg_final(struct custommsg_payload *payload STEALS)
{
tal_steal(tmpctx, payload);
}
static void custommsg_payload_serialize(struct custommsg_payload *payload,
@ -2423,8 +2441,9 @@ static void custommsg_payload_serialize(struct custommsg_payload *payload,
json_add_node_id(stream, "peer_id", &payload->peer_id);
}
REGISTER_SINGLE_PLUGIN_HOOK(custommsg,
custommsg_callback,
REGISTER_PLUGIN_HOOK(custommsg,
custommsg_cb,
custommsg_final,
custommsg_payload_serialize,
struct custommsg_payload *);

1
tests/plugins/custommsg.py
View File

@ -10,6 +10,7 @@ def on_custommsg(peer_id, message, plugin, **kwargs):
msg=message,
peer_id=peer_id
))
return {'result': 'continue'}
plugin.run()