protocol

const (
	ServerSide = "SERVER"
	ClientSide = "CLIENT"
)

const (
	OpReply        = 1    // Reply to a client request. responseTo is set.
	OpUpdate       = 2001 // Update document.
	OpInsert       = 2002 // Insert new document.
	Reserved       = 2003 // Formerly used for OP_GET_BY_OID.
	OpQuery        = 2004 // Query a collection.
	OpGetMore      = 2005 // Get more data from a query. See Cursors.
	OpDelete       = 2006 // Delete documents.
	OpKillCursors  = 2007 // Notify database that the client has finished with the cursor.
	OpCommand      = 2010 // Cluster internal protocol representing a command request.
	OpCommandreply = 2011 // Cluster internal protocol representing a reply to an OP_COMMAND.
	OpMsg          = 2013 // Send a message using the format introduced in MongoDB 3.6.
)