Expand description
Common PostgreSQL network (“wire”) protocol logic.
Structs§
- Connection
Counter - Connection
Handle - Handle to an open connection, allows us to maintain a count of all connections.
- Cursor
- Decodes data within pgwire messages.
- Error
Response - GS2Header
- SASL
Client Final Response - SASL
Initial Response - User
Metadata - Metadata about a user that is required to allocate a
ConnectionHandle.
Enums§
- Channel
Binding - Codec
Error - Conn
- Connection
Error - Decode
State - Format
- The encoding format for a
mz_pgrepr::Value. - Frontend
Message - A decoded frontend pgwire message, representing instructions for the backend.
- Frontend
Startup Message - Like
FrontendMessage, but only the messages that can occur during startup protocol negotiation. - Severity
Constants§
- ACCEPT_
SSL_ ENCRYPTION - CONN_
UUID_ KEY - FORWARDED_
STARTUP_ PARAM_ ALLOWANCE - Startup budget allowed on top of
MAX_STARTUP_FRAME_SIZEfor parameters a balancer appends while forwarding. - MAX_
FORWARDED_ STARTUP_ FRAME_ SIZE - Maximum size of a startup frame accepted from a client that may be behind a balancer.
- MAX_
PREAUTH_ FRAME_ SIZE - Maximum frame size accepted from a client that has not yet authenticated.
- MAX_
REQUEST_ SIZE - Maximum allowed size for a request.
- MAX_
STARTUP_ FRAME_ SIZE - Maximum size of a startup frame accepted directly from a client.
- MZ_
FORWARDED_ FOR_ KEY - REJECT_
ENCRYPTION - VERSIONS
- VERSION_
3 - VERSION_
CANCEL - VERSION_
GSSENC - VERSION_
SSL
Traits§
Functions§
- decode_
startup - Reads and decodes one startup message from the client.
- input_
err - Constructs an error indicating that the client has violated the pgwire protocol.
- parse_
frame_ len - Parses a frame length header, rejecting frames larger than
max_frame_len.