git-hulk commented on code in PR #1999:
URL: https://github.com/apache/kvrocks/pull/1999#discussion_r1450042474
##########
src/commands/cmd_server.cc:
##########
@@ -1221,6 +1221,39 @@ class CommandAnalyze : public Commander {
std::vector<std::string> command_args_;
};
+class CommandReset : public Commander {
+ public:
+ Status Execute(Server *srv, Connection *conn, std::string *output) override {
+ // 1. Discards the current MULTI transaction block, if one exists.
+ if (conn->IsFlagEnabled(Connection::kMultiExec)) {
+ conn->ResetMultiExec();
+ }
+ // 2. Unwatches all keys WATCHed by the connection.
+ srv->ResetWatchedKeys(conn);
+ // 3. Disables CLIENT TRACKING, if in use. (not yet supported)
+ // 4. Sets the connection to READWRITE mode.
+ // 5. Cancels the connection's ASKING mode, if previously set. (not yet
supported)
+ // 6. Sets CLIENT REPLY to ON. (not yet supported)
+ // 9. Exits MONITOR mode, when applicable.
+ if (conn->IsFlagEnabled(Connection::kMonitor)) {
+ conn->Owner()->QuitMonitorConn(conn);
+ }
+ // 10. Aborts Pub/Sub's subscription state (SUBSCRIBE and PSUBSCRIBE),
when appropriate.
+ if (conn->SubscriptionsCount() != 0) {
+ conn->UnsubscribeAll();
+ }
+ if (conn->PSubscriptionsCount() != 0) {
+ conn->PUnsubscribeAll();
+ }
Review Comment:
The connection will not receive any commands after entering the monitor or
subscribe mode, so I guess it should be unable to cancel them here.
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