286 lines
10 KiB
Scheme
286 lines
10 KiB
Scheme
;;;
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;;; Copyright (C) 2007 Lothar May l-may@gmx.de
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;;;
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;;; All rights reserved.
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;;;
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;;; Redistribution and use in source and binary forms, with or
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;;; without modification, are permitted provided that the
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;;; following conditions are met:
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;;; 1. Redistributions of source code must retain the above
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;;; copyright notice, this list of conditions and the
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;;; following disclaimer.
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;;; 2. Redistributions in binary form must reproduce the
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;;; above copyright notice, this list of conditions and
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;;; the following disclaimer in the documentation and/or
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;;; other materials provided with the distribution.
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;;; 3. Neither the name of the project nor the names of
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;;; its contributors may be used to endorse or promote
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;;; products derived from this software without specific
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;;; prior written permission.
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;;;
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;;; THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS
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;;; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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;;; BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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;;; MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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;;; DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS
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;;; BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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;;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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;;; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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;;; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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;;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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;;; IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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;;; USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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;;; OF SUCH DAMAGE.
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;;; Version 1.0.0
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;;; Socket functions
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(load "sock.scm")
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;;; Helper functions
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(load "helper.scm")
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;;; SCTP Payload Protocol Identifier for PKTH
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(define pkth-ppid 0)
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;;; SCTP Port for PKTH
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(define pkth-port 7234)
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;;; PKTH protocol version
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(define pkth-version-major 2)
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(define pkth-version-minor 0)
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(define pkth-type-init #x0001)
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(define pkth-type-init-ack #x0002)
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(define pkth-type-game-list-new #x0003)
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(define pkth-type-game-list-update #x0004)
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(define pkth-type-game-list-player-joined #x0005)
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(define pkth-type-game-list-player-left #x0006)
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(define pkth-type-retrieve-player-info #x0007)
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(define pkth-type-player-info #x0008)
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(define pkth-type-create-game #x0009)
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(define pkth-type-join-game #x000A)
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(define pkth-type-join-game-ack #x000B)
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(define pkth-type-join-game-failed #x000C)
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(define pkth-type-player-joined #x000D)
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(define pkth-type-player-left #x000E)
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(define pkth-type-game-admin-changed #x000F)
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(define pkth-type-kick-player #x0010)
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(define pkth-type-leave-current-game #x0011)
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(define pkth-type-start-event #x0012)
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(define pkth-type-game-start #x0013)
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(define pkth-type-hand-start #x0014)
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(define pkth-type-players-turn #x0015)
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(define pkth-type-players-action #x0016)
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(define pkth-type-players-action-done #x0017)
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(define pkth-type-players-action-rejected #x0018)
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(define pkth-type-deal-flop-cards #x0019)
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(define pkth-type-deal-turn-card #x001A)
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(define pkth-type-deal-river-card #x001B)
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(define pkth-type-all-in-show-cards #x001C)
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(define pkth-type-end-of-hand-show-cards #x001D)
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(define pkth-type-end-of-hand-hide-cards #x001E)
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(define pkth-type-end-of-game #x001F)
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(define pkth-type-removed-from-game #x0100)
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(define pkth-type-send-chat-text #x0200)
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(define pkth-type-chat-text #x0201)
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(define pkth-type-error #x0400)
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(define pkth-game-flag-password-protected #x01)
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(define pkth-player-flag-human #x01)
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(define pkth-player-flag-has-avatar #x02)
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(define pkth-start-flag-fill-with-cpu-players #x01)
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(define pkth-privacy-flag-show-avatar #x01)
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;;; Reasons why join game failed.
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(define pkth-join-failed-game-full #x0001)
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(define pkth-join-failed-game-already-running #x0002)
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(define pkth-join-failed-invalid-password #x0003)
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(define pkth-join-failed-other-reason #xFFFF)
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;;; Reasons for being removed from a game.
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(define pkth-removed-on-request #x0000)
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(define pkth-removed-game-full #x0001)
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(define pkth-removed-game-already-running #x0002)
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(define pkth-removed-kicked #x0003)
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(define pkth-removed-other-reason #xFFFF)
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;;; Internal error codes.
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(define pkth-err-reserved #x0000)
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(define pkth-err-init-version-not-supported #x0001)
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(define pkth-err-init-server-full #x0002)
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(define pkth-err-init-invalid-password #x0004)
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(define pkth-err-init-player-name-in-use #x0005)
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(define pkth-err-init-invalid-player-name #x0006)
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(define pkth-err-general-invalid-packet #xFF01)
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(define pkth-err-general-invalid-state #xFF02)
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(define pkth-err-general-player-kicked #xFF03)
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(define pkth-err-other #xFFFF)
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;;; Constant for reserved
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(define pkth-reserved 0)
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;;; Header lengths
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(define pkth-header-length-common 4)
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;;; Common header value lengths
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(define pkth-length-type 2)
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(define pkth-length-msg-length 2)
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;;; Value lengths
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(define pkth-length-version 2)
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(define pkth-length-string-length 2)
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(define pkth-length-flags 2)
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(define pkth-length-reserved 2)
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(define pkth-length-player-id 4)
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(define pkth-length-session-id 4)
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(define pkth-length-md5 16)
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(define pkth-length-blind-value 2)
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;;; Value offsets common header
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(define pkth-offset-type 0)
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(define pkth-offset-msg-length (+ pkth-offset-type pkth-length-type))
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(define pkth-offset-data (+ pkth-offset-msg-length pkth-length-msg-length))
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;;; Value offsets pkth-type-init
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(define pkth-init-offset-version-major pkth-offset-data)
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(define pkth-init-offset-version-minor (+ pkth-init-offset-version-major pkth-length-version))
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(define pkth-init-offset-password-length (+ pkth-init-offset-version-minor pkth-length-version))
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(define pkth-init-offset-player-name-length (+ pkth-init-offset-password-length pkth-length-string-length))
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(define pkth-init-offset-privacy-flags (+ pkth-init-offset-player-name-length pkth-length-string-length))
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(define pkth-init-offset-reserved (+ pkth-init-offset-privacy-flags pkth-length-flags))
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(define pkth-init-offset-avatar-md5 (+ pkth-init-offset-reserved pkth-length-reserved))
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(define pkth-init-offset-password (+ pkth-init-offset-avatar-md5 pkth-length-md5))
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;;; Value offsets pkth-type-init-ack
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(define pkth-init-ack-offset-session-id pkth-offset-data)
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(define pkth-init-ack-offset-player-id (+ pkth-init-ack-offset-session-id pkth-length-session-id))
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;;; Minimum/maximum packet length
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(define pkth-minimum-message-length 8)
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(define pkth-maximum-message-length 264)
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;;;
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;;; Header constructors
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;;;
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(define (pkth-create-packet type data)
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(append
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(uint16->bytes type)
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(uint16->bytes (+ pkth-header-length-common (apply + (map length data))))
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(apply append data)))
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(define (pkth-create-md5 m0 m1 m2 m3 m4 m5 m6 m7 m8 m9 mA mB mC mD mE mF)
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(append
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(uint8->bytes m0)
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(uint8->bytes m1)
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(uint8->bytes m2)
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(uint8->bytes m3)
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(uint8->bytes m4)
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(uint8->bytes m5)
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(uint8->bytes m6)
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(uint8->bytes m7)
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(uint8->bytes m8)
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(uint8->bytes m9)
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(uint8->bytes mA)
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(uint8->bytes mB)
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(uint8->bytes mC)
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(uint8->bytes mD)
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(uint8->bytes mE)
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(uint8->bytes mF)))
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(define (pkth-create-init-ex version-major version-minor privacy-flags avatar-md5 password player-name)
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(pkth-create-packet
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pkth-type-init
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(list
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(uint16->bytes version-major)
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(uint16->bytes version-minor)
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(uint16->bytes (string-length password))
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(uint16->bytes (string-length player-name))
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(uint16->bytes privacy-flags)
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(uint16->bytes 0)
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avatar-md5
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(append-padding (string->bytes password))
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(append-padding (string->bytes player-name)))))
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(define (pkth-create-init privacy-flags avatar-md5 password player-name)
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(pkth-create-init-ex pkth-version-major pkth-version-minor privacy-flags avatar-md5 password player-name))
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#!
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(pkth-create-init
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pkth-privacy-flag-show-avatar
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(pkth-create-md5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16)
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""
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"hallo")
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!#
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(define (pkth-create-init-ack session-id player-id)
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(pkth-create-packet
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pkth-type-init-ack
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(list
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(uint32->bytes session-id)
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(uint32->bytes player-id))))
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#!
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(pkth-create-init-ack #x6666 #x8888)
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!#
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(define pkth-assert-minimal-length
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(lambda (message)
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(test-assert (>= (length message) pkth-minimum-message-length) "PKTH message is too small (no common header)!")))
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#!
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(pkth-assert-minimal-length '(1 2 3 4))
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(pkth-assert-minimal-length '(1 2 3 4 5 6))
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!#
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(define pkth-assert-length
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(lambda (ls len)
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(test-assert (>= (length ls) len) "PKTH message is too small!")))
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#!
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(pkth-assert-length '(1 2 3 4 5 6 7 8) 16)
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(pkth-assert-length '(1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16) 16)
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!#
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;;;
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;;; Packet getter functions
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;;;
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(define pkth-get-type
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(lambda (message)
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(pkth-assert-minimal-length message)
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(bytes->uint16 (list-head (list-tail message pkth-offset-type) pkth-length-type))))
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(define pkth-get-length
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(lambda (message)
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(pkth-assert-minimal-length message)
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(bytes->uint16 (list-head (list-tail message pkth-offset-msg-length) pkth-length-msg-length))))
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(define pkth-get-data
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(lambda (message)
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(pkth-assert-minimal-length message)
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(list-tail message pkth-offset-data)))
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;;; pkth-type-init
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#!
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(let ((sock (sock-connect (sock-create-tcp AF_INET) "127.0.0.1" pkth-port)))
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(sock-send
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sock
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(bytes->string
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(pkth-create-init
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pkth-privacy-flag-show-avatar
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(pkth-create-md5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16)
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""
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"hallo")))
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(sleep 1)
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(sock-close sock))
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!#
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