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Ruby API

H2 object

H2.new

Creates a new H2 object

H2.connect(url)

Connects to a URL (only https is implemented currently)

H2.send_prefix()

Sends the HTTP/2 connection prefix

H2.send_settings([[key, value],...])

Sends an SETTINGS frame

H2.send_settings_ack()

Sends a SETTINGS frame with the ack flag

H2.send_priority(stream_id, dependent_stream_id, exclusive_flag, weight)

Send a PRIORITY frame

H2.send_window_update(sid, increment)

Send a WINDOW_UPDATE frame

H2.send_ping()

Sends a PING frame

H2.send_headers({headers}, stream_id, flags, priority)

Sends a HEADER frame

H2.send_data(stream_id, flags, data)

Sends a DATA frame

H2.read(timeout_ms)

Reads a Frame, or times out. Returns nil on timeout

Frame object

Frame.type

Returns a string representation of the frame type

Frame.type_num

Returns a numeric representation of the frame type

Frame.to_s

Returns a text representation of a frame

Frame.flags

Returns the frame flags field

Frame.len

Returns the length of the frame's payload

Frame.is_end_stream

Returns true if the END_STREAM flag is set

Frame.stream_id

Returns the length of the frame's stream_id

Frame.ack()

For types that support it (PING, SETTINGS) send a ack frame

Priority object

Priority.new(dependent_sid, exclusive, weight)

Creates a new priority object (to be used with H2.send_headers)