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;; nmsg-transport.scm file.
;;
;;======================================================================
(require-extension (srfi 18) extras tcp s11n)
(use srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest
directory-utils posix-extras matchable typed-records)
(use spiffy uri-common intarweb http-client spiffy-request-vars)
(declare (unit server))
(declare (uses common))
(declare (uses db))
;; Basic stuff for safely kicking off a server
(declare (uses portlogger))
(import portlogger)
(declare (uses nmsg-transport))
(import nmsg-transport)
;; Might want to bring the daemonizing back
;; (declare (uses daemon))
(include "common_records.scm")
(include "db_records.scm")
;;======================================================================
;; P K T S S T U F F
;;======================================================================
;;======================================================================
;; N A N O M S G B A S E D S E R V E R
;;======================================================================
(defstruct nmsg
(conn #f)
(hosts (make-hash-table))
pkt
pktspec
(mutex (make-mutex))
)
;; make it a global? Well, it is local to nmsg module
(define *nmsg-conndat* (make-nmsg))
(nmsg-pktspec-set! *nmsg-conndat*
`((server (hostname . h)
(port . p)
(pid . i)
)))
;; get a port
;; start the nmsg server
;; look for other servers
;; contact other servers and compile list of servers
;; there are two types of server
;; main servers - dashboards, runners and dedicated servers - need pkt
;; passive servers - test executers, step calls, list-runs - no pkt
;;
(define (server:start-nmsg #!key (force-server-type #f))
(mutex-lock! (nmsg-mutex *nmsg-conndat*))
(let* ((server-type (or force-server-type
(if (args:any? "-run" "-server")
'main
'passive)))
(port-num (portlogger:open-run-close portlogger:find-port))
(nmsg-conn (nmsg:start-server port-num))
(pktspec (nmsg-pktspec *nmsg-conndat*))
(pktdir (conc (get-environment-variable "MT_RUN_AREA_HOME")
"/.server-pkts")))
(if (not (directory? pktdir))(create-directory pktdir))
;; server is started, now create pkt if needed
(if (eq? server-type 'main)
(nmsg-pkt-set! *nmsg-conndat*
(pkts:write-alist->pkt
pktdir
`((hostname . ,(get-host-name))
(port . ,port-num)
(pid . ,(current-process-id)))
pktspec: pktspec
ptype: 'server)))
(nmsg-conn-set! *nmsg-conndat* nmsg-conn)
(mutex-unlock! (nmsg-mutex *nmsg-conndat*))
))
;;
;;
;; ;; Call this to start the actual server
;; ;;
;;
;; ;; all routes though here end in exit ...
;; ;;
;; ;; start_server
;; ;;
;; (define (server:launch run-id transport-type)
;; (case transport-type
;; ((http)(http-transport:launch))
;; ;;((nmsg)(nmsg-transport:launch run-id))
;; ;;((rpc) (rpc-transport:launch run-id))
;; (else (debug:print-error 0 *default-log-port* "unknown server type " transport-type))))
;;
;; ;;======================================================================
;; ;; S E R V E R U T I L I T I E S
;; ;;======================================================================
;;
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;; nmsg-transport.scm file.
;;
;;======================================================================
(require-extension (srfi 18) extras tcp s11n)
(use srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest
directory-utils posix-extras matchable typed-records
pkts)
(use spiffy uri-common intarweb http-client spiffy-request-vars)
(declare (unit server))
(declare (uses common))
(declare (uses db))
(import db)
;; Basic stuff for safely kicking off a server
(declare (uses portlogger))
(import portlogger)
(declare (uses nmsg-transport))
(import nmsg-transport)
;; Might want to bring the daemonizing back
;; (declare (uses daemon))
(include "common_records.scm")
(include "db_records.scm")
;;======================================================================
;; P K T S S T U F F
;;======================================================================
;;======================================================================
;; N A N O M S G B A S E D S E R V E R
;;======================================================================
(defstruct nmsg
(conn #f)
(port #f)
(myaddr #f)
(hosts (make-hash-table))
pkt
pktspec
pktfile
(mutex (make-mutex))
)
;; make it a global? Well, it is local to nmsg module
(define *nmsg-conndat* (make-nmsg))
(nmsg-pktspec-set! *nmsg-conndat*
`((server (hostname . h)
(port . p)
(pid . i)
)))
;; get a port
;; start the nmsg server
;; look for other servers
;; contact other servers and compile list of servers
;; there are two types of server
;; main servers - dashboards, runners and dedicated servers - need pkt
;; passive servers - test executers, step calls, list-runs - no pkt
;;
(define (server:start-nmsg #!optional (force-server-type #f))
(mutex-lock! (nmsg-mutex *nmsg-conndat*))
(let* ((server-type (or force-server-type
(if (args:any? "-run" "-server")
'main
'passive)))
(port-num (portlogger:open-run-close portlogger:find-port))
(nmsg-conn (nmsg:start-server port-num))
(pktspec (nmsg-pktspec *nmsg-conndat*))
(mtdir (or (get-environment-variable "MT_RUN_AREA_HOME")
(if (file-exists? "megatest.config")
(current-directory)
(begin
(print "ERROR: We don't appear to be in a megatest area and MT_RUN_AREA_HOME is not set.")
#f))))
(pktdir (conc mtdir
"/.server-pkts")))
(if (not mtdir)
#f
(begin
(if (not (directory? pktdir))(create-directory pktdir))
;; server is started, now create pkt if needed
(if (eq? server-type 'main)
(begin
(nmsg-pkt-set! *nmsg-conndat*
(write-alist->pkt
pktdir
`((hostname . ,(get-host-name))
(port . ,port-num)
(pid . ,(current-process-id)))
pktspec: pktspec
ptype: 'server))
(nmsg-pktfile-set! *nmsg-conndat* (conc pktdir "/" (nmsg-pkt *nmsg-conndat*) ".pkt"))))
(nmsg-conn-set! *nmsg-conndat* nmsg-conn)
(nmsg-port-set! *nmsg-conndat* port-num)
(mutex-unlock! (nmsg-mutex *nmsg-conndat*))
#t))))
;; Call this to start the actual server
;;
;; start_server
;;
;; mode: '
;;
(define (server:launch mode)
(let ((start-time (current-seconds)))
(server:start-nmsg mode)
(let loop ((dead-time (- (current-seconds) start-time)))
(thread-sleep! 1)
(if (< dead-time 10)
(loop (- (current-seconds) start-time))
(print "Timed out. Exiting")))))
(define (server:shutdown)
(let ((conn (nmsg-conn *nmsg-conndat*))
(pktf (nmsg-pktfile *nmsg-conndat*))
(port (nmsg-port *nmsg-conndat*)))
(if conn
(begin
(if pktf (delete-file* pktf))
(server:send-all "imshuttingdown")
(nmsg:close conn)
(portlogger:open-run-close portlogger:release-port port)))))
(define (server:send-all msg)
#f)
;; look up all pkts and get the server id (the hash), port, host/ip
;;
(define (server:get-all)
'())
(define (server:get-my-best-address)
(ip->string (car (filter (lambda (x)
(not (eq? (u8vector-ref x 0) 127)))
(vector->list (hostinfo-addresses (hostname->hostinfo "zeus")))))))
;; whoami? I am my pkt
;;
(define (server:whoami?)
(nmsg-pkt *nmsg-conndat*))
;;======================================================================
;; S E R V E R U T I L I T I E S
;;======================================================================
;; get a signature for identifing this process
(define (server:get-process-signature)
(conc (get-host-name) " " (current-process-id)))
;; ;; Get the transport
;; (define (server:get-transport)
;; (if *transport-type*
;; *transport-type*
;; (let ((ttype (string->symbol
;; (or (args:get-arg "-transport")
;; (configf:lookup *configdat* "server" "transport")
|