static int
handle_rpc(struct jsonrpc *rpc, struct jsonrpc_msg *msg, bool *done)
{
if (msg->type == JSONRPC_REQUEST) {
struct jsonrpc_msg *reply = NULL;
if (!strcmp(msg->method, "echo")) {
reply = jsonrpc_create_reply(json_clone(msg->params), msg->id);
} else {
struct json *error = json_object_create();
json_object_put_string(error, "error", "unknown method");
reply = jsonrpc_create_error(error, msg->id);
ovs_error(0, "unknown request %s", msg->method);
}
jsonrpc_send(rpc, reply);
return 0;
} else if (msg->type == JSONRPC_NOTIFY) {
if (!strcmp(msg->method, "shutdown")) {
*done = true;
return 0;
} else {
ovs_error(0, "unknown notification %s", msg->method);
return ENOTTY;
}
} else {
ovs_error(0, "unsolicited JSON-RPC reply or error");
return EPROTO;
}
}
struct jsonrpc_msg *
jsonrpc_session_recv(struct jsonrpc_session *s)
{
if (s->rpc) {
struct jsonrpc_msg *msg;
jsonrpc_recv(s->rpc, &msg);
if (msg) {
reconnect_received(s->reconnect, time_msec());
if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
/* Echo request. Send reply. */
struct jsonrpc_msg *reply;
reply = jsonrpc_create_reply(json_clone(msg->params), msg->id);
jsonrpc_session_send(s, reply);
} else if (msg->type == JSONRPC_REPLY
&& msg->id && msg->id->type == JSON_STRING
&& !strcmp(msg->id->u.string, "echo")) {
/* It's a reply to our echo request. Suppress it. */
} else {
return msg;
}
jsonrpc_msg_destroy(msg);
}
}
return NULL;
}
struct jsonrpc_msg *
jsonrpc_session_recv(struct jsonrpc_session *s)
{
if (s->rpc) {
unsigned int received_bytes;
struct jsonrpc_msg *msg;
received_bytes = jsonrpc_get_received_bytes(s->rpc);
jsonrpc_recv(s->rpc, &msg);
if (received_bytes != jsonrpc_get_received_bytes(s->rpc)) {
/* Data was successfully received.
*
* Previously we only counted receiving a full message as activity,
* but with large messages or a slow connection that policy could
* time out the session mid-message. */
reconnect_activity(s->reconnect, time_msec());
}
if (msg) {
if (msg->type == JSONRPC_REQUEST && !strcmp(msg->method, "echo")) {
/* Echo request. Send reply. */
struct jsonrpc_msg *reply;
reply = jsonrpc_create_reply(json_clone(msg->params), msg->id);
jsonrpc_session_send(s, reply);
} else if (msg->type == JSONRPC_REPLY
&& msg->id && msg->id->type == JSON_STRING
&& !strcmp(msg->id->u.string, "echo")) {
/* It's a reply to our echo request. Suppress it. */
} else {
return msg;
}
jsonrpc_msg_destroy(msg);
}
}
return NULL;
}