h1_error (h1 v0.2.1)

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HTTP/1.1 error reason classification.

H1 has no on-the-wire error code frame (unlike H2's RST_STREAM), so this module normalises the reason atoms the parser, connection, and encoder produce. Callers can map them to HTTP status codes or log messages via format/1.

Summary

Types

conn_reason/0
parse_reason/0
reason/0

Functions

classify(_)

Coarse-grained classification for logging and handler dispatch.

format(Other)

Human-readable description of an error reason.

status(_)

Suggested HTTP status code for a given error reason (server side).

Types

conn_reason/0

-type conn_reason() ::
          request_timeout | idle_timeout | expect_timeout | peer_closed | upgrade_rejected |
          keepalive_limit_reached | pipeline_disabled | goaway_sent.

parse_reason/0

-type parse_reason() ::
          bad_request | line_too_long | invalid_method | invalid_uri | invalid_version |
          invalid_header_name | invalid_header_value | header_name_too_long | header_value_too_long |
          too_many_headers | invalid_chunk_size | chunk_size_too_long | chunk_too_large |
          invalid_chunk_terminator | conflicting_framing | body_too_large | method_too_long |
          uri_too_long.

reason/0

-type reason() :: parse_reason() | conn_reason() | {closed, term()} | term().

Functions

classify(_)

-spec classify(reason()) -> parse_error | client_error | server_error | timeout | closed | other.

Coarse-grained classification for logging and handler dispatch.

format(Other)

-spec format(reason()) -> string().

Human-readable description of an error reason.

status(_)

-spec status(reason()) -> 400..599.

Suggested HTTP status code for a given error reason (server side).