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tinmop/src/gui/client/json-rpc-communication.lisp

186 lines
8.4 KiB
Common Lisp

;; tinmop: a multiprotocol client
;; Copyright © cage
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program.
;; If not, see [[http://www.gnu.org/licenses/][http://www.gnu.org/licenses/]].
(in-package :json-rpc-communication)
(defparameter *server-process* nil)
(defparameter *server-stream* nil)
(defun read-from-server ()
(let ((json (read-json *server-stream*)))
(rpc:maybe-log-message (format nil "json from server: ~a" json))
(json:parse json
:object-as :plist
:object-key-fn #'format-keyword)))
(defgeneric send-to-server (object))
(defmethod send-to-server ((object string))
(send-to-server (string->octets object)))
(defmethod send-to-server ((object vector))
(write-sequence object *server-stream*)
(write-byte +command-delimiter+ *server-stream*)
(finish-output *server-stream*))
(defmethod send-to-server ((object character))
(send-to-server (char-code object)))
(defmethod send-to-server ((object integer))
(write-byte (logand object #xff) *server-stream*)
(finish-output *server-stream*))
(defparameter *request-lock* (bt:make-lock))
(defgeneric make-request (method id &rest args))
(defmethod make-request ((method symbol) id &rest args)
(misc:with-lock (*request-lock*)
(apply #'make-request (string-downcase (symbol-name method)) id args)))
(define-condition rpc-error-response (conditions:text-error)
((data
:initform nil
:initarg :data
:reader data)
(code
:initform nil
:initarg :code
:reader code)
(id
:initform nil
:initarg :id
:reader id))
(:report (lambda (condition stream)
(format stream
"id: ~a (~a) ~a data ~a"
(id condition)
(code condition)
(conditions:text condition)
(data condition))))
(:documentation "Error failed rpc request"))
(defmethod make-request ((method string) id &rest args)
(let ((request (rpc:encode-to-string (apply #'rpc:make-request method id args))))
(send-to-server request)
(let ((raw-response (read-from-server)))
(if (rpc:error-response-p raw-response)
(multiple-value-bind (id message code data)
(rpc:extract-error raw-response)
(error 'rpc-error-response
:id id
:code code
:data data
:text message))
(values (rpc:extract-results raw-response)
raw-response)))))
(defun close-server ()
(make-request :quit-program 1))
(defun start-client ()
(with-output-to-string (stream)
(let ((process (os-utils:run-external-program +program-name+
(list (format nil
"-~a"
command-line:+start-server-command-line+))
:search t
:wait nil
:output :stream
:input :stream
:error :stream)))
(if process
(let ((process-stream (make-two-way-stream (os-utils:process-output process)
(os-utils:process-input process))))
(setf *server-stream* process-stream
*server-process* process))
(error (_ "Unable to create server process"))))))
(defun start-client* ()
(with-output-to-string (stream)
(let* ((test-iri "gemini://omg.pebcak.club/")
(process (os-utils:run-external-program "/home/cage/lisp/tinmop/tinmop" ;+program-name+
(list (format nil
"-~a"
command-line:+start-server-command-line+))
:search t
:wait nil
:output :stream
:input :stream
:error :stream)))
(if process
(let ((process-stream (make-two-way-stream (os-utils:process-output process)
(os-utils:process-input process))))
(setf *server-stream* process-stream
*server-process* process)
(loop repeat 2 do
(let ((request (rpc:encode-to-string (rpc:make-request "gemini-request"
1
test-iri
t))))
(format t "sending ~a~%" request)
(send-to-server request)
(format t "returned ~s~%" (read-from-server))))
(sleep 3)
(let ((info-request (rpc:encode-to-string (rpc:make-request "gemini-stream-info"
1
test-iri))))
(format t "sending ~a~%" info-request)
(send-to-server info-request)
(format t "returned ~s~%" (read-from-server)))
(let ((status-request (make-request "gemini-stream-completed-p" 1 test-iri)))
(format t "returned ~s~%" status-request))
(let ((line-request (rpc:encode-to-string (rpc:make-request "gemini-stream-parsed-line"
1
test-iri
2))))
(format t "sending ~a~%" line-request)
(send-to-server line-request)
(format t "returned ~s~%" (read-from-server)))
(let ((lines-request (rpc:encode-to-string
(rpc:make-request "gemini-stream-parsed-line-slice"
1
test-iri
10
15))))
(format t "sending ~a~%" lines-request)
(send-to-server lines-request)
(format t "returned ~s~%" (read-from-server)))
(let ((all-info-request (rpc:encode-to-string
(rpc:make-request "gemini-all-stream-info" 1))))
(format t "sending ~a~%" all-info-request)
(send-to-server all-info-request)
(format t "returned ~s~%" (read-from-server)))
(let ((pop-history-request (rpc:encode-to-string
(rpc:make-request "gemini-pop-url-from-history" 1))))
(format t "sending ~a~%" pop-history-request)
(send-to-server pop-history-request)
(format t "returned ~s~%" (read-from-server)))
(let ((certificates (rpc:encode-to-string
(rpc:make-request "gemini-certificates" 1))))
(format t "sending ~a~%" certificates)
(send-to-server certificates)
(format t "returned ~s~%" (read-from-server)))
(let ((toc (rpc:encode-to-string
(rpc:make-request "gemini-toc" 1 test-iri))))
(format t "sending ~a~%" toc)
(send-to-server toc)
(format t "returned ~s~%" (read-from-server)))
(close-server))
(error (_ "Unable to create server process"))))))