;;======================================================================
;; Copyright 2017, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest 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.
;;
;; Megatest 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 Megatest. If not, see <http://www.gnu.org/licenses/>.
;;======================================================================
(declare (unit tcp-transportmod))
(declare (uses debugprint))
(declare (uses commonmod))
(module tcp-transportmod
*
(import scheme
chicken
data-structures
extras
matchable)
(import (prefix sqlite3 sqlite3:)
posix typed-records srfi-18 srfi-1
srfi-69
stack
files
ports
commonmod
;; debugprint
)
;;======================================================================
;; client
;;======================================================================
;; (define keep-age-param (make-parameter 10)) ;; qif file age, if over move to attic
(defstruct tt
(area #f)
(conns (make-hash-table)) ;; dbfname -> conn
)
(define (tt:make-remote areapath)
(make-tt area: areapath))
(define (tt:handler runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname)
;; NOTE: areapath is passed in and in tt struct. We'll use passed in value for now.
(let* ((conn (hash-table-ref/default (tt-conns runremote) dbfname #f)))
(if conn
;; have connection, call the server
(let* ((res (tt:send-receive runremote conn cmd rid params)))
(cond
((member res '(busy starting))
(thread-sleep! 1)
(tt:handler runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname))
(else
res)))
;; no conn yet, find and or start and find a server
(let* ((server (tt:find-server areapath dbfname)))
(if server
(let* ((conn (tt:server-connect server)))
(hash-table-set! (tt-conns runremote) dbfname conn)
(tt:handler runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname))
;; no server, try to start one
(begin
(tt:start-server areapath dbfname)
(thread-sleep! 1)
(tt:handler runremote cmd rid params attemptnum area-dat areapath readonly-mode dbfname)))))))
(define (tt:bid-for-servership run-id)
#f)
(define (tt:get-current-server run-id)
#f)
(define (tt:send-receive ttdat conn cmd run-id params)
#f)
;;======================================================================
;; server
;;======================================================================
(define (tt:sync-dbs ttdat)
#f)
(define (tt:start-server ttdat)
#f)
(define (tt:server-connect ttdat)
#f)
(define (tt:find-server ttdat)
#f)
(define (tt:shutdown-server ttdat)
#f)
)