Overview
Comment: | wip. |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | v1.6584-nanomsg |
Files: | files | file ages | folders |
SHA1: |
96feeca725accb76e0142517827d0af3 |
User & Date: | matt on 2021-06-07 08:46:15 |
Other Links: | branch diff | manifest | tags |
Context
2021-06-07
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08:59 | Adjusted receive for new usage (was copied from mtut.scm check-in: f70db69e66 user: matt tags: v1.6584-nanomsg | |
08:46 | wip. check-in: 96feeca725 user: matt tags: v1.6584-nanomsg | |
06:26 | try nanomsg check-in: 14a50c3c87 user: matt tags: v1.6584-nanomsg | |
Changes
Modified rmtmod.scm from [604907e163] to [7f26d483f5].
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74 75 76 77 78 79 80 | ;; spiffy-request-vars srfi-1 srfi-13 srfi-18 srfi-69 stack system-information | | | 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | ;; spiffy-request-vars srfi-1 srfi-13 srfi-18 srfi-69 stack system-information ;; tcp6 typed-records uri-common z3 apimod commonmod configfmod |
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1595 1596 1597 1598 1599 1600 1601 | (if *server-info* (begin (servdat-host-set! *server-info* ipaddrstr) (servdat-port-set! *server-info* port) (servdat-status-set! *server-info* 'trying-port) (servdat-trynum-set! *server-info* (+ (servdat-trynum *server-info*) 1))) (set! *server-info* (make-servdat host: ipaddrstr port: port))) | | > > > > > > > | | | | | | | | | | | | | > > > > > > > > > > > > > > > > > > > > > | | | | | | | | | | | | | | | | < < < < < < < < < < | > | 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 | (if *server-info* (begin (servdat-host-set! *server-info* ipaddrstr) (servdat-port-set! *server-info* port) (servdat-status-set! *server-info* 'trying-port) (servdat-trynum-set! *server-info* (+ (servdat-trynum *server-info*) 1))) (set! *server-info* (make-servdat host: ipaddrstr port: port))) (let* ((rep (rmt:try-start-server ipaddrstr port))) (let loop ((instr (nn-recv rep))) (let* ((data (string->sexpr instr)) (res (api:process-request *dbstruct-db* data)) (resdat (sexpr->string res))) (set! *db-last-access* (current-seconds)) (nn-send rep resdat) (loop (nn-recv rep))))) ;; (let oloop () ;; (let-values (((i o) (tcp-accept l))) ;; ;; (write-line "Hello!" o) ;; (let loop ((indat (read i))) ;; (if (eof-object? indat) ;; (begin ;; (close-input-port i) ;; (close-output-port o) ;; (oloop)) ;; (let* ((res (api:process-request *dbstruct-db* indat))) ;; (set! *db-last-access* (current-seconds)) ;; (write res o) ;; (loop (read i)))))))) (let* ((portnum (servdat-port *server-info*))) (portlogger:open-run-close portlogger:set-port portnum "released") (debug:print 1 *default-log-port* "INFO: server has been stopped")))) (define (rmt:try-start-server ipaddrstr portnum) (if *server-info* ;; update the server info as we might be trying next port (begin (servdat-host-set! *server-info* ipaddrstr) (servdat-port-set! *server-info* portnum) (servdat-status-set! *server-info* 'trying-port) (servdat-trynum-set! *server-info* (+ (servdat-trynum *server-info*) 1))) (set! *server-info* (make-servdat host: ipaddrstr port: portnum))) (debug:print-info 0 *default-log-port* "rmt:try-start-server time=" (seconds->time-string (current-seconds)) " ipaddrsstr=" ipaddrstr " portnum=" portnum) ;; any error in following steps will result in a retry (if (is-port-in-use portnum) (begin (portlogger:open-run-close portlogger:set-failed portnum) (debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port") ;; (thread-sleep! 0.1) (rmt:try-start-server ipaddrstr (portlogger:open-run-close portlogger:find-port))) (begin (if (not *server-info*) (set! *server-info* (make-servdat host: ipaddrstr port: portnum))) (servdat-status-set! *server-info* 'starting) (servdat-port-set! *server-info* portnum) (if (not (servdat-rep *server-info*)) (servdat-rep-set! *server-info* (nn-socket 'rep))) (let* ((rep (servdat-rep *server-info*))) (debug:print 0 *default-log-port* "INFO: Trying to start server on " ipaddrstr ":" portnum) (handle-exceptions exn (begin (print-error-message exn) (if (< portnum 64000) (begin (debug:print 0 *default-log-port* "WARNING: attempt to start server failed. Trying again ...") (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn)) (debug:print 5 *default-log-port* "exn=" (condition->list exn)) (portlogger:open-run-close portlogger:set-failed portnum) (debug:print 0 *default-log-port* "WARNING: failed to start on portnum: " portnum ", trying next port") ;; (thread-sleep! 0.1) (rmt:try-start-server ipaddrstr (portlogger:open-run-close portlogger:find-port))) (begin (print "ERROR: Tried and tried but could not start the server, stopping at port "portnum)))) (nn-bind rep (conc "tcp://*:" portnum)) rep))))) ;;====================================================================== ;; S E R V E R U T I L I T I E S ;;====================================================================== ;;====================================================================== ;; C L I E N T S |
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2209 2210 2211 2212 2213 2214 2215 | *my-signature*))) ;;====================================================================== ;; Nanomsg transport ;;====================================================================== (define (is-port-in-use port-num) | | | | | | | | | | | 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 | *my-signature*))) ;;====================================================================== ;; Nanomsg transport ;;====================================================================== (define (is-port-in-use port-num) (let* ((ret #f)) (let-values (((inp oup pid) (process "netstat" (list "-tulpn" )))) (let loop ((inl (read-line inp))) (if (not (eof-object? inl)) (begin (if (string-search (regexp (conc ":" port-num)) inl) (begin ;(print "Output: " inl) (set! ret #t)) (loop (read-line inp))))))) ret)) ;;start a server, returns the connection ;; (define (start-nn-server portnum ) (let ((rep (nn-socket 'rep))) (handle-exceptions exn |
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