Function ld_read_json_one

plugins/libplugin.c:1523–1560

* Try to parse a complete message from lightningd's buffer, and return true * if we could handle it. */

 * if we could handle it.
 */
static bool ld_read_json_one(struct plugin *plugin)
{
	bool complete;

	if (!json_parse_input(&plugin->parser, &plugin->toks,
			      plugin->buffer, plugin->used,
			      &complete)) {
		plugin_err(plugin, "Failed to parse JSON response '%.*s'",
			   (int)plugin->used, plugin->buffer);
		return false;
	}

	if (!complete) {
		/* We need more. */
		return false;
	}

	/* Empty buffer? (eg. just whitespace). */
	if (tal_count(plugin->toks) == 1) {
		toks_reset(plugin->toks);
		jsmn_init(&plugin->parser);
		plugin->used = 0;
		return false;
	}

	/* FIXME: Spark doesn't create proper jsonrpc 2.0!  So we don't
	 * check for "jsonrpc" here. */
	ld_command_handle(plugin, plugin->toks);

	/* Move this object out of the buffer */
	memmove(plugin->buffer, plugin->buffer + plugin->toks[0].end,
		tal_count(plugin->buffer) - plugin->toks[0].end);
	plugin->used -= plugin->toks[0].end;
	toks_reset(plugin->toks);
	jsmn_init(&plugin->parser);

	return true;
}

static struct io_plan *ld_read_json(struct io_conn *conn,
				    struct plugin *plugin)