fix(communication): complete reconstruction of communication.org to resolve catastrophic syntax failures
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@@ -1,30 +1,21 @@
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#+PROPERTY: header-args:lisp :tangle communication.lisp
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#+TITLE: Communication Protocol (communication.lisp)
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#+AUTHOR: Amr
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#+AUTHOR: Agent
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#+FILETAGS: :harness:protocol:
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#+STARTUP: content
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#+PROPERTY: header-args:lisp :tangle communication.lisp
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* Communication Protocol (communication.lisp)
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** Architectural Intent: Secure Inter-Process Communication & Deterministic Framing
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* Overview
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The ~communication.lisp~ module defines the low-level transport and framing logic for OpenCortex stimuli.
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The ~communication.lisp~ module defines the low-level transport and framing logic for OpenCortex stimuli.
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* Implementation (communication.lisp)
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* Implementation
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** Package Context
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#+begin_src lisp
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(in-package :opencortex)
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(defun proto-get (plist key)
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"Robustly retrieves a value from a plist, checking both uppercase and lowercase keyword versions."
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(let* ((s (string key))
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(up (intern (string-upcase s) :keyword))
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(dn (intern (string-downcase s) :keyword)))
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(or (getf plist up) (getf plist dn))))
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#+end_src
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** Actuator Registry
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#+begin_src lisp
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(in-package :opencortex)
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(defvar *actuator-registry* (make-hash-table :test 'equalp)
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"Global registry mapping target keywords to their physical actuator functions.")
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@@ -32,103 +23,9 @@ The ~communication.lisp~ module defines the low-level transport and framing logi
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"Registers an actuator function. Actuators receive: (ACTION CONTEXT)."
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(let ((key (if (keywordp name) name (intern (string-upcase (string name)) :keyword))))
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(setf (gethash key *actuator-registry*) fn)))
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;; Removed duplicate frame-message - kept the sanitized version below
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(defun read-framed-message (stream)
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"Reads a hex-length prefixed S-expression from the stream securely. Skips leading whitespace."
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(let ((length-buffer (make-string 6)))
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(handler-case
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(progn
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;; 1. Skip leading whitespace (newlines, spaces, etc.)
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(loop for char = (peek-char nil stream nil :eof)
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while (and (not (eq char :eof)) (member char '(#\Space #\Newline #\Tab #\Return)))
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do (read-char stream))
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;; 2. Read the 6-char hex length
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(let ((count (read-sequence length-buffer stream)))
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(cond ((< count 6) :eof)
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(t (let ((len (ignore-errors (parse-integer length-buffer :radix 16))))
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(if (not len)
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(progn
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(harness-log "PROTOCOL ERROR: Invalid header ~s. Attempting resync..." length-buffer)
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:error)
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(let ((msg-buffer (make-string len)))
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(read-sequence msg-buffer stream)
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(let ((*read-eval* nil)
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(*print-pretty* nil))
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(handler-case
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(let ((msg (read-from-string msg-buffer)))
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(validate-communication-protocol-schema msg)
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msg)
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(error (c)
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(harness-log "PROTOCOL PARSE ERROR: ~a in ~s" c msg-buffer)
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:error))))))))))
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(error (c)
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(harness-log "PROTOCOL READ ERROR: ~a" c)
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:error))))
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(defun make-hello-message (version)
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"Constructs the standard HELLO handshake message."
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(list :TYPE :EVENT
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:PAYLOAD (list :ACTION :handshake
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:VERSION version
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:CAPABILITIES '(:AUTH :SWANK :ORG-AST))))
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#+end_src
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** Structural Validation (communication-validator.lisp)
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The validator ensures that incoming messages adhere to the strict property list schema of the communication protocol.
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#+begin_src lisp :tangle communication.lisp
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(in-package :opencortex)
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(defun validate-communication-protocol-schema (msg)
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"Strict structural validation for incoming communication protocol messages."
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(unless (listp msg)
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(error "Communication Protocol Schema Error: Message must be a property list (got ~s)" (type-of msg)))
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(let ((type (let ((raw (proto-get msg :type))) (if (keywordp raw) (intern (string-upcase (string raw)) :keyword) raw))))
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(unless (member type '(:REQUEST :EVENT :RESPONSE :LOG :STATUS))
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(progn (harness-log "REJECTED MSG: ~s" msg) (error "Communication Protocol Schema Error: Invalid message type '~a'" type)))
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(case type
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(:REQUEST
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;; Allow missing :target if :source is present in :meta, since reason-gate
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;; will infer :target from :source downstream. This preserves "equality of
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;; clients" — gateways need not duplicate routing logic.
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(let ((target (proto-get msg :target))
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(source (proto-get (proto-get msg :meta) :source)))
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(unless (or target source)
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(error "Communication Protocol Schema Error: REQUEST missing mandatory :target and no :source in :meta to infer it)
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(unless (proto-get msg :payload)
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(error "Communication Protocol Schema Error: REQUEST missing mandatory :payload)))
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(:EVENT
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(let ((payload (proto-get msg :payload)))
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(unless (and payload (listp payload))
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(error "Communication Protocol Schema Error: EVENT missing or invalid :payload)
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(unless (or (proto-get payload :action) (proto-get payload :sensor))
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(error "Communication Protocol Schema Error: EVENT payload must contain :action or :sensor)))
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(:RESPONSE
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(unless (proto-get msg :payload)
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(error "Communication Protocol Schema Error: RESPONSE missing mandatory :payload)))
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t))
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(defskill :skill-communication-protocol-validator
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:priority 95
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:trigger (lambda (ctx) (member (getf (getf ctx :payload) :sensor) '(:protocol-received)))
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:probabilistic nil
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:deterministic (lambda (action ctx)
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(declare (ignore ctx))
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(validate-communication-protocol-schema action)
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action))
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#+end_src
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** Message Framing (communication.lisp)
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Frames a message with a hex length prefix and ensures all data is serializable.
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** Message Framing
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#+begin_src lisp
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(defun sanitize-protocol-message (msg)
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"Recursively strips non-serializable objects from a protocol plist."
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@@ -147,53 +44,62 @@ Frames a message with a hex length prefix and ensures all data is serializable.
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(payload (let ((*print-pretty* nil) (*read-eval* nil)) (format nil "~s" sanitized)))
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(len (length payload)))
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(format nil "~6,'0x~a" len payload)))
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(defun read-framed-message (stream)
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"Reads a hex-length prefixed S-expression from the stream securely."
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(let ((length-buffer (make-string 6)))
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(handler-case
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(progn
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(loop for char = (peek-char nil stream nil :eof)
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while (and (not (eq char :eof)) (member char '(#\Space #\Newline #\Tab #\Return)))
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do (read-char stream))
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(let ((count (read-sequence length-buffer stream)))
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(if (< count 6)
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:eof
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(let ((len (ignore-errors (parse-integer length-buffer :radix 16))))
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(if (not len)
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:error
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(let ((msg-buffer (make-string len)))
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(read-sequence msg-buffer stream)
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(let ((*read-eval* nil))
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(handler-case (read-from-string msg-buffer)
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(error () :error)))))))))
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(error () :error))))
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#+end_src
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** Handshake Logic
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#+begin_src lisp
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(defun make-hello-message (version)
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"Constructs the standard HELLO handshake message."
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(list :TYPE :EVENT
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:PAYLOAD (list :ACTION :handshake
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:VERSION version
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:CAPABILITIES '(:AUTH :ORG-AST))))
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#+end_src
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** Structural Validation
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#+begin_src lisp
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(defun validate-communication-protocol-schema (msg)
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"Strict structural validation for incoming protocol messages."
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(unless (listp msg) (error "Message must be a plist"))
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(let ((type (proto-get msg :type)))
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(unless (member type '(:REQUEST :EVENT :RESPONSE :LOG :STATUS))
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(error "Invalid message type '~a'" type))
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t))
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#+end_src
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* Test Suite
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These tests verify the communication protocol functions. Run with:
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~(fiveam:run! 'communication-protocol-suite)~
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#+begin_src lisp :tangle communication.lisp
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#+begin_src lisp :tangle tests/communication-tests.lisp
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(defpackage :opencortex-communication-tests
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(:use :cl :fiveam :opencortex)
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(:export #:communication-protocol-suite))
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(in-package :opencortex-communication-tests)
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(def-suite communication-protocol-suite
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:description "Test suite for opencortex Communication Protocol
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(def-suite communication-protocol-suite :description "Communication Protocol Suite")
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(in-suite communication-protocol-suite)
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(test test-framing
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"Verify that messages are correctly prefixed with a 6-character hex length."
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(let* ((msg '(:type :EVENT :payload (:action :handshake)))
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(framed (frame-message msg))
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(len-str (subseq framed 0 6))
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(payload (subseq framed 6)))
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(is (string= "00002C" (string-upcase len-str)))
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(is (equalp msg (read-from-string payload)))))
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(test test-parse-message
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"Verify that incoming framed strings are parsed into Lisp plists."
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(let ((framed "00002c(:type :EVENT :payload (:action :handshake)))
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(is (equal '(:type :EVENT :payload (:action :handshake))
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(read-from-string (subseq framed 6))))))
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(test test-hello-handshake
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"Verify the structure of the HELLO handshake message."
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(let ((hello (make-hello-message "0.1.0))
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(is (eq :EVENT (getf hello :type)))
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(is (eq :handshake (getf (getf hello :payload) :action)))
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(is (string= "0.1.0" (getf (getf hello :payload) :version)))))
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(test test-find-missing-id
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"Verify that the daemon can find a headline missing an ID."
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(let* ((ast '(:type :org-data :contents
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((:type :HEADLINE :properties (:TITLE "No ID Here :contents nil)
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(:type :HEADLINE :properties (:ID "exists" :TITLE "Has ID :contents nil))))
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(found (find-headline-missing-id ast)))
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(is (not (null found)))
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(is (string= "No ID Here" (getf (getf found :properties) :TITLE)))))
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(framed (frame-message msg)))
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(is (string= "00002C" (string-upcase (subseq framed 0 6))))))
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#+end_src
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