testisnullus commented on code in PR #1796:
URL:
https://github.com/apache/cassandra-gocql-driver/pull/1796#discussion_r1716642579
##########
session.go:
##########
@@ -780,6 +780,95 @@ func (s *Session) MapExecuteBatchCAS(batch *Batch, dest
map[string]interface{})
return applied, iter, iter.err
}
+// connectionType is a custom type that represents the different stages
+// of a client connection in a Cassandra cluster. It is used to filter and
categorize
+// connections based on their current state.
+type connectionType string
+
+const (
+ Ready connectionType = "ready"
+ Connecting connectionType = "connecting"
+ Idle connectionType = "idle"
+ Closed connectionType = "closed"
+ Failed connectionType = "failed"
+)
+
+// ClientConnection represents a client connection to a Cassandra node. It
holds detailed
+// information about the connection, including the client address, connection
stage, driver details,
+// and various configuration options.
+type ClientConnection struct {
+ Address string
+ Port int
+ ConnectionStage string
+ DriverName string
+ DriverVersion string
+ Hostname string
+ KeyspaceName *string
+ ProtocolVersion int
+ RequestCount int
+ SSLCipherSuite *string
+ SSLEnabled bool
+ SSLProtocol *string
+ Username string
+}
+
+// RetrieveClientConnections retrieves a list of client connections from the
+// `system_views.clients` table based on the specified connection type. The
function
+// queries the Cassandra database for connections with a given
`connection_stage` and
+// scans the results into a slice of `ClientConnection` structs. It handles
nullable
+// fields and returns the list of connections or an error if the operation
fails.
+func (s *Session) RetrieveClientConnections(connectionType connectionType)
([]*ClientConnection, error) {
+ const stmt = `
+ SELECT address, port, connection_stage, driver_name,
driver_version,
+ hostname, keyspace_name, protocol_version,
request_count,
+ ssl_cipher_suite, ssl_enabled, ssl_protocol, username
+ FROM system_views.clients
+ WHERE connection_stage = ?`
+
+ iter := s.control.query(stmt, connectionType)
+ if iter.NumRows() == 0 {
+ return nil, ErrKeyspaceDoesNotExist
Review Comment:
Oops, fixed, ty
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