Function plugin_set_dynamic_opt

lightningd/plugin.c:2295–2356

}

struct command_result *plugin_set_dynamic_opt(struct command *cmd,
					      const struct opt_table *ot,
					      const char **vals,
					      size_t nvals,
					      bool transient,
					      struct command_result *(*success)
					      (struct command *,
					       const struct opt_table *,
					       const char **,
					       size_t,
					       bool))
{
	struct plugin_opt *popt;
	struct plugin *plugin;
	struct jsonrpc_request *req;
	struct plugin_set_return *psr;

	plugin = plugin_opt_find_any(cmd->ld->plugins, ot, &popt);
	assert(plugin);

	assert(ot->type & OPT_DYNAMIC);

	psr = tal(cmd, struct plugin_set_return);
	psr->cmd = cmd;
	/* vals is a child of cmd, so no copy needed. */
	psr->vals = vals;
	psr->nvals = nvals;
	psr->optname = tal_strdup(psr, ot->names + 2);
	psr->success = success;
	psr->transient = transient;

	if (command_check_only(cmd)) {
		/* If plugin doesn't support check, we can't check */
		if (!plugin->can_check)
			return command_check_done(cmd);
		req = jsonrpc_request_start(cmd, "check",
					    cmd->id,
					    command_logger(cmd),
					    NULL, plugin_setconfig_done,
					    psr);
		json_add_string(req->stream, "command_to_check", "setconfig");
	} else {
		req = jsonrpc_request_start(cmd, "setconfig",
					    cmd->id,
					    command_logger(cmd),
					    NULL, plugin_setconfig_done,
					    psr);
	}
	json_add_string(req->stream, "config", psr->optname);
	/* Multi options: send array. Scalar: send single value or nothing. */
	if (ot->type & OPT_MULTI) {
		json_array_start(req->stream, "val");
		for (size_t i = 0; i < nvals; i++)
			json_add_string(req->stream, NULL, vals[i]);
		json_array_end(req->stream);
	} else if (nvals > 0 && vals[0]) {
		json_add_string(req->stream, "val", vals[0]);
	}