Function parse_request

lightningd/jsonrpc.c:1008–1132

We return struct command_result so command_fail return value has a natural * sink; we don't actually use the result. */

/* We return struct command_result so command_fail return value has a natural
 * sink; we don't actually use the result. */
static struct command_result *
parse_request(struct json_connection *jcon,
	      const char *buffer,
	      const jsmntok_t tok[],
	      const char **methodname)
{
	const jsmntok_t *method, *id, *params, *filter, *jsonrpc;
	struct command *c;
	struct rpc_command_hook_payload *rpc_hook;
	bool completed;

	if (tok[0].type != JSMN_OBJECT) {
		json_command_malformed(jcon, "null",
				       "Expected {} for json command");
		return NULL;
	}

	method = json_get_member(buffer, tok, "method");
	params = json_get_member(buffer, tok, "params");
	filter = json_get_member(buffer, tok, "filter");
	id = json_get_member(buffer, tok, "id");

	if (!id) {
		json_command_malformed(jcon, "null", "No id");
		return NULL;
	}

	if (id->type != JSMN_STRING && id->type != JSMN_PRIMITIVE) {
		json_command_malformed(jcon, "null",
				       "Expected string/primitive for id");
		return NULL;
	}

	jsonrpc = json_get_member(buffer, tok, "jsonrpc");
	if (!jsonrpc || jsonrpc->type != JSMN_STRING || !json_tok_streq(buffer, jsonrpc, "2.0")) {
		json_command_malformed(jcon, "null", "jsonrpc: \"2.0\" must be specified in the request");
		return NULL;
	}

	/* Allocate the command off of the `jsonrpc` object and not
	 * the connection since the command may outlive `conn`. */
	c = tal(jcon->ld->jsonrpc, struct command);
	c->jcon = jcon;
	c->send_notifications = jcon->notifications_enabled;
	c->ld = jcon->ld;
	c->pending = false;
	c->json_stream = NULL;
	c->id_is_string = (id->type == JSMN_STRING);
	/* Include "" around string */
	c->id = tal_strndup(c,
			    json_tok_full(buffer, id),
			    json_tok_full_len(id));
	c->mode = CMD_NORMAL;
	c->filter = NULL;
	list_add_tail(&jcon->commands, &c->list);
	tal_add_destructor(c, destroy_command);

	if (!method || !params) {