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;;======================================================================
;; Copyright 2006-2017, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;; 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,
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;; 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/>.
;;
;;======================================================================
(use format typed-records) ;; RADT => purpose of json format??
(declare (unit rmt))
(declare (uses api))
(declare (uses tdb))
;;(declare (uses nmsg-transport))
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(define *send-receive-mutex* (make-mutex)) ;; should have separate mutex per run-id
;; RA => e.g. usage (rmt:send-receive 'get-var #f (list varname))
;;
(define (rmt:send-receive cmd rid params #!key (attemptnum 1)(area-dat #f)) ;; start attemptnum at 1 so the modulo below works as expected
#;(common:telemetry-log (conc "rmt:"(->string cmd))
payload: `((rid . ,rid)
(params . ,params)))
(if (> attemptnum 2)
(debug:print 0 "INFO: attemptnum in rmt:send-receive is " attemptnum))
(cond
((> attemptnum 2) (thread-sleep! 0.05))
((> attemptnum 10) (thread-sleep! 0.5))
((> attemptnum 20) (thread-sleep! 1)))
;;DOT digraph megatest_state_status {
;;DOT ranksep=0;
;;DOT // rankdir=LR;
;;DOT node [shape="box"];
;;DOT "rmt:send-receive" -> MUTEXLOCK;
;;DOT { edge [style=invis];"case 1" -> "case 2" -> "case 3" -> "case 4" -> "case 5" -> "case 6" -> "case 7" -> "case 8" -> "case 9" -> "case 10" -> "case 11"; }
;; do all the prep locked under the rmt-mutex
(mutex-lock! *rmt-mutex*)
;; 1. check if server is started IFF cmd is a write OR if we are not on the homehost, store in runremote
;; 2. check the age of the connections. refresh the connection if it is older than timeout-20 seconds.
;; 3. do the query, if on homehost use local access
;;
(let* ((start-time (current-seconds)) ;; snapshot time so all use cases get same value
(areapath *toppath*);; TODO - resolve from dbstruct to be compatible with multiple areas
(runremote (or area-dat
*runremote*))
(attemptnum (+ 1 attemptnum))
(readonly-mode (if (and runremote
(readonly-mode (rmtmod:calc-ro-mode runremote *toppath*)))
(remote-ro-mode-checked runremote))
(remote-ro-mode runremote)
(let* ((dbfile (conc *toppath* "/megatest.db"))
(ro-mode (not (file-write-access? dbfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
(if runremote
(begin
(remote-ro-mode-set! runremote ro-mode)
(remote-ro-mode-checked-set! runremote #t)
ro-mode)
ro-mode)))))
;; ensure we have a record for our connection for given area
(if (not runremote) ;; can remove this one. should never get here.
(begin
(set! *runremote* (make-remote))
(set! runremote *runremote*))) ;; new runremote will come from this on next iteration
;; ensure we have a homehost record
(if (not (pair? (remote-hh-dat runremote))) ;; not on homehost
(thread-sleep! 0.1) ;; since we shouldn't get here, delay a little
(remote-hh-dat-set! runremote (common:get-homehost)))
;;(print "BB> readonly-mode is "readonly-mode" dbfile is "dbfile)
;; readonly mode, read request- handle it - case 20
;; readonly mode, read request- handle it - case 2
((and readonly-mode
(member cmd api:read-only-queries))
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 20")
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 2")
(rmt:open-qry-close-locally cmd 0 params)
)
;;DOT CASE3 [label="write in\nread-only mode"];
;;DOT MUTEXLOCK -> CASE3 [label="readonly\nmode?"]; {rank=same "case 3" CASE3}
;;DOT CASE3 -> "#f";
;; readonly mode, write request. Do nothing, return #f
(readonly-mode
(readonly-mode (extras-readonly-mode *rmt-mutex* *default-log-port* cmd params))
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 21")
(debug:print 0 *default-log-port* "WARNING: write transaction requested on a readonly area. cmd="cmd" params="params)
#f
)
(let ((expire-time (+ (- start-time (remote-server-timeout runremote))(random 10)))) ;; Subtract or add the random value? Seems like it should be substract but Neither fixes the "WARNING: failure in with-input-from-request to #<request>.\n message: Server closed connection before sending response"
(< (http-transport:server-dat-get-last-access (remote-conndat runremote)) expire-time)))
(> (current-seconds) ;; if it has been more than server-timeout seconds since last contact, close this connection and start a new on
(+ (http-transport:server-dat-get-last-access (remote-conndat runremote))
(remote-server-timeout runremote))))
(debug:print-info 0 *default-log-port* "Connection to " (remote-server-url runremote) " expired due to no accesses, forcing new connection.")
(http-transport:close-connections area-dat: runremote)
(remote-conndat-set! runremote #f) ;; invalidate the connection, thus forcing a new connection.
(mutex-unlock! *rmt-mutex*)
(rmt:send-receive cmd rid params attemptnum: attemptnum))
;;DOT CASE5 [label="local\nread"];
;;DOT MUTEXLOCK -> CASE5 [label="server not required,\non homehost,\nread-only query"]; {rank=same "case 5" CASE5};
;;DOT CASE5 -> "rmt:open-qry-close-locally";
;; on homehost and this is a read
((and (not (remote-force-server runremote)) ;; honor forced use of server
(cdr (remote-hh-dat runremote)) ;; on homehost
(member cmd api:read-only-queries)) ;; this is a read
((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
(cdr (remote-hh-dat runremote)) ;; on homehost
(member cmd api:read-only-queries)) ;; this is a read
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 3")
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 5")
(rmt:open-qry-close-locally cmd 0 params))
;;DOT CASE6 [label="init\nremote"];
;;DOT MUTEXLOCK -> CASE6 [label="on homehost,\nwrite query,\nhave server,\ncan't reach it"]; {rank=same "case 6" CASE6};
;;DOT CASE6 -> "rmt:send-receive";
;; on homehost and this is a write, we already have a server, but server has died
((and (cdr (remote-hh-dat runremote)) ;; on homehost
(not (member cmd api:read-only-queries)) ;; this is a write
(remote-server-url runremote) ;; have a server
(not (server:ping (remote-server-url runremote)))) ;; server has died. NOTE: this is not a cheap call! Need better approach.
(set! *runremote* (make-remote))
(remote-force-server-set! runremote (common:force-server?))
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 4.1")
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 6")
(rmt:send-receive cmd rid params attemptnum: attemptnum))
;;DOT CASE7 [label="homehost\nwrite"];
;;DOT MUTEXLOCK -> CASE7 [label="server not required,\non homehost,\na write,\nhave a server"]; {rank=same "case 7" CASE7};
;;DOT CASE7 -> "rmt:open-qry-close-locally";
;; on homehost and this is a write, we already have a server
((and (not (remote-force-server runremote)) ;; honor forced use of server
((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
(cdr (remote-hh-dat runremote)) ;; on homehost
(not (member cmd api:read-only-queries)) ;; this is a write
(remote-server-url runremote)) ;; have a server
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 4")
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 4.1")
(rmt:open-qry-close-locally cmd 0 params))
;;DOT CASE8 [label="force\nserver"];
;;DOT MUTEXLOCK -> CASE8 [label="server not required,\nhave homehost info,\nno connection yet,\nnot a read-only query"]; {rank=same "case 8" CASE8};
;;DOT CASE8 -> "rmt:open-qry-close-locally";
;; on homehost, no server contact made and this is a write, passively start a server
((and (not (remote-force-server runremote)) ;; honor forced use of server
(cdr (remote-hh-dat runremote)) ;; new
(not (remote-server-url runremote))
(not (member cmd api:read-only-queries)))
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 5")
((and (not (remote-force-server runremote)) ;; honor forced use of server, i.e. server NOT required
(cdr (remote-hh-dat runremote)) ;; have homehost
(not (remote-server-url runremote)) ;; no connection yet
(not (member cmd api:read-only-queries))) ;; not a read-only query
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 8")
(let ((server-url (server:check-if-running *toppath*))) ;; (server:read-dotserver->url *toppath*))) ;; (server:check-if-running *toppath*))) ;; Do NOT want to run server:check-if-running - very expensive to do for every write call
(if server-url
(remote-server-url-set! runremote server-url) ;; the string can be consumed by the client setup if needed
(if (common:force-server?)
(server:start-and-wait *toppath*)
(server:kind-run *toppath*))))
(remote-force-server-set! runremote (common:force-server?))
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 5.1")
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 8.1")
(rmt:open-qry-close-locally cmd 0 params))
;;DOT CASE9 [label="force server\nnot on homehost"];
;;DOT MUTEXLOCK -> CASE9 [label="no connection\nand either require server\nor not on homehost"]; {rank=same "case 9" CASE9};
;;DOT CASE9 -> "start\nserver" -> "rmt:send-receive";
((or (and (remote-force-server runremote) ;; we are forcing a server and don't yet have a connection to one
(not (remote-conndat runremote)))
(and (not (cdr (remote-hh-dat runremote))) ;; not on a homehost
(not (remote-conndat runremote)))) ;; and no connection
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 6 hh-dat: " (remote-hh-dat runremote) " conndat: " (remote-conndat runremote))
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9, hh-dat: " (remote-hh-dat runremote) " conndat: " (remote-conndat runremote))
(mutex-unlock! *rmt-mutex*)
(if (not (server:check-if-running *toppath*)) ;; who knows, maybe one has started up?
(server:start-and-wait *toppath*))
(remote-force-server-set! runremote (common:force-server?))
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 7")
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 10")
(rmt:open-qry-close-locally cmd (if rid rid 0) params))
;;DOT CASE11 [label="send_receive"];
;;DOT MUTEXLOCK -> CASE11 [label="else"]; {rank=same "case 11" CASE11};
;;DOT CASE11 -> "rmt:send-receive" [label="call failed"];
;;DOT CASE11 -> "RESULT" [label="call succeeded"];
;; not on homehost, do server query
(else (extras-case-11 *default-log-port* runremote cmd params attemptnum rid)))))
;;DOT }
(else
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9")
(mutex-lock! *rmt-mutex*)
(let* ((conninfo (remote-conndat runremote))
(dat (case (remote-transport runremote)
((http) (condition-case ;; handling here has caused a lot of problems. However it is needed to deal with attemtped communication to servers that have gone away
(http-transport:client-api-send-receive 0 conninfo cmd params)
((commfail)(vector #f "communications fail"))
((exn)(vector #f "other fail" (print-call-chain)))))
(else
(debug:print 0 *default-log-port* "ERROR: transport " (remote-transport runremote) " not supported")
(exit))))
(success (if (vector? dat) (vector-ref dat 0) #f))
(res (if (vector? dat) (vector-ref dat 1) #f)))
(if (vector? conninfo)(http-transport:server-dat-update-last-access conninfo)) ;; refresh access time
;; (mutex-unlock! *rmt-mutex*)
(debug:print-info 13 *default-log-port* "rmt:send-receive, case 9. conninfo=" conninfo " dat=" dat " runremote = " runremote)
(mutex-unlock! *rmt-mutex*)
(if success ;; success only tells us that the transport was successful, have to examine the data to see if there was a detected issue at the other end
(if (and (vector? res)
(eq? (vector-length res) 2)
(eq? (vector-ref res 1) 'overloaded)) ;; since we are looking at the data to carry the error we'll use a fairly obtuse combo to minimise the chances of some sort of collision.
(let ((wait-delay (+ attemptnum (* attemptnum 10))))
(debug:print 0 *default-log-port* "WARNING: server is overloaded. Delaying " wait-delay " seconds and trying call again.")
(mutex-lock! *rmt-mutex*)
(set! *runremote* #f) ;; force starting over
(mutex-unlock! *rmt-mutex*)
(thread-sleep! wait-delay)
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
res) ;; All good, return res
(begin
(debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
(remote-conndat-set! runremote #f)
(remote-server-url-set! runremote #f)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9.1")
(if (not (server:check-if-running *toppath*))
(server:start-and-wait *toppath*))
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))))))))
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;; (rmt:send-receive #f 'get-run-ids-matching (list keynames target res)))
(define (rmt:get-prereqs-not-met run-id waitons ref-test-name ref-item-path #!key (mode '(normal))(itemmaps #f))
(rmt:send-receive 'get-prereqs-not-met run-id (list run-id waitons ref-test-name ref-item-path mode itemmaps)))
(define (rmt:get-count-tests-running-for-run-id run-id)
(rmt:send-receive 'get-count-tests-running-for-run-id run-id (list run-id)))
(define (rmt:get-not-completed-cnt run-id)
(rmt:send-receive 'get-not-completed-cnt run-id (list run-id)))
;; Statistical queries
(define (rmt:get-count-tests-running run-id)
(rmt:send-receive 'get-count-tests-running run-id (list run-id)))
(define (rmt:get-count-tests-running-for-testname run-id testname)
(rmt:send-receive 'get-count-tests-running-for-testname run-id (list run-id testname)))
(define (rmt:get-count-tests-running-in-jobgroup run-id jobgroup)
(rmt:send-receive 'get-count-tests-running-in-jobgroup run-id (list run-id jobgroup)))
;; state and status are extra hints not usually used in the calculation
;;
(define (rmt:set-state-status-and-roll-up-items run-id test-name item-path state status comment)
(rmt:send-receive 'set-state-status-and-roll-up-items run-id (list run-id test-name item-path state status comment)))
(define (rmt:set-state-status-and-roll-up-run run-id state status)
(rmt:send-receive 'set-state-status-and-roll-up-run run-id (list run-id state status)))
(define (rmt:update-pass-fail-counts run-id test-name)
(rmt:general-call 'update-pass-fail-counts run-id test-name test-name test-name))
(define (rmt:top-test-set-per-pf-counts run-id test-name)
(rmt:send-receive 'top-test-set-per-pf-counts run-id (list run-id test-name)))
(define (rmt:get-raw-run-stats run-id)
(rmt:send-receive 'get-raw-run-stats run-id (list run-id)))
(define (rmt:get-test-times runname target)
(rmt:send-receive 'get-test-times #f (list runname target )))
;;======================================================================
;; R U N S
;;======================================================================
(define (rmt:get-run-info run-id)
(rmt:send-receive 'get-run-info run-id (list run-id)))
(define (rmt:get-num-runs runpatt)
(rmt:send-receive 'get-num-runs #f (list runpatt)))
(define (rmt:get-runs-cnt-by-patt runpatt targetpatt keys)
(rmt:send-receive 'get-runs-cnt-by-patt #f (list runpatt targetpatt keys)))
;; Use the special run-id == #f scenario here since there is no run yet
(define (rmt:register-run keyvals runname state status user contour)
(rmt:send-receive 'register-run #f (list keyvals runname state status user contour)))
(define (rmt:get-run-name-from-id run-id)
(rmt:send-receive 'get-run-name-from-id run-id (list run-id)))
(define (rmt:delete-run run-id)
(rmt:send-receive 'delete-run run-id (list run-id)))
(define (rmt:update-run-stats run-id stats)
(rmt:send-receive 'update-run-stats #f (list run-id stats)))
(define (rmt:delete-old-deleted-test-records)
(rmt:send-receive 'delete-old-deleted-test-records #f '()))
(define (rmt:get-runs runpatt count offset keypatts)
(rmt:send-receive 'get-runs #f (list runpatt count offset keypatts)))
(define (rmt:simple-get-runs runpatt count offset target)
(rmt:send-receive 'simple-get-runs #f (list runpatt count offset target)))
(define (rmt:get-all-run-ids)
(rmt:send-receive 'get-all-run-ids #f '()))
(define (rmt:get-prev-run-ids run-id)
(rmt:send-receive 'get-prev-run-ids #f (list run-id)))
(define (rmt:lock/unlock-run run-id lock unlock user)
(rmt:send-receive 'lock/unlock-run #f (list run-id lock unlock user)))
;; set/get status
(define (rmt:get-run-status run-id)
(rmt:send-receive 'get-run-status #f (list run-id)))
(define (rmt:get-run-state run-id)
(rmt:send-receive 'get-run-state #f (list run-id)))
(define (rmt:set-run-status run-id run-status #!key (msg #f))
(rmt:send-receive 'set-run-status #f (list run-id run-status msg)))
(define (rmt:set-run-state-status run-id state status )
(rmt:send-receive 'set-run-state-status #f (list run-id state status)))
(define (rmt:update-run-event_time run-id)
(rmt:send-receive 'update-run-event_time #f (list run-id)))
(define (rmt:get-runs-by-patt keys runnamepatt targpatt offset limit fields last-runs-update) ;; fields of #f uses default
(rmt:send-receive 'get-runs-by-patt #f (list keys runnamepatt targpatt offset limit fields last-runs-update)))
(define (rmt:get-runs-by-patt keys runnamepatt targpatt offset limit fields last-runs-update #!key (sort-order "asc")) ;; fields of #f uses default
(rmt:send-receive 'get-runs-by-patt #f (list keys runnamepatt targpatt offset limit fields last-runs-update sort-order)))
(define (rmt:find-and-mark-incomplete run-id ovr-deadtime)
;; (if (rmt:send-receive 'have-incompletes? run-id (list run-id ovr-deadtime))
(rmt:send-receive 'mark-incomplete run-id (list run-id ovr-deadtime))) ;; )
(define (rmt:get-main-run-stats run-id)
(rmt:send-receive 'get-main-run-stats #f (list run-id)))
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(rmt:send-receive 'tasks-add #f (list action owner target runname testpatt params)))
(define (rmt:tasks-set-state-given-param-key param-key new-state)
(rmt:send-receive 'tasks-set-state-given-param-key #f (list param-key new-state)))
(define (rmt:tasks-get-last target runname)
(rmt:send-receive 'tasks-get-last #f (list target runname)))
;;======================================================================
;; N O S Y N C D B
;;======================================================================
(define (rmt:no-sync-set var val)
(rmt:send-receive 'no-sync-set #f `(,var ,val)))
(define (rmt:no-sync-get/default var default)
(rmt:send-receive 'no-sync-get/default #f `(,var ,default)))
(define (rmt:no-sync-del! var)
(rmt:send-receive 'no-sync-del! #f `(,var)))
(define (rmt:no-sync-get-lock keyname)
(rmt:send-receive 'no-sync-get-lock #f `(,keyname)))
;;======================================================================
;; A R C H I V E S
;;======================================================================
(define (rmt:archive-get-allocations testname itempath dneeded)
(rmt:send-receive 'archive-get-allocations #f (list testname itempath dneeded)))
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(rmt:send-receive 'archive-register-disk #f (list bdisk-name bdisk-path df)))
(define (rmt:test-set-archive-block-id run-id test-id archive-block-id)
(rmt:send-receive 'test-set-archive-block-id run-id (list run-id test-id archive-block-id)))
(define (rmt:test-get-archive-block-info archive-block-id)
(rmt:send-receive 'test-get-archive-block-info #f (list archive-block-id)))
(define (rmtmod:calc-ro-mode runremote *toppath*)
(if (and runremote
(remote-ro-mode-checked runremote))
(remote-ro-mode runremote)
(let* ((dbfile (conc *toppath* "/megatest.db"))
(ro-mode (not (file-write-access? dbfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
(if runremote
(begin
(remote-ro-mode-set! runremote ro-mode)
(remote-ro-mode-checked-set! runremote #t)
ro-mode)
ro-mode))))
(define (extras-readonly-mode rmt-mutex log-port cmd params)
(mutex-unlock! rmt-mutex)
(debug:print-info 12 log-port "rmt:send-receive, case 3")
(debug:print 0 log-port "WARNING: write transaction requested on a readonly area. cmd="cmd" params="params)
#f)
(define (extras-transport-failed *default-log-port* *rmt-mutex* attemptnum runremote cmd rid params)
(debug:print 0 *default-log-port* "WARNING: communication failed. Trying again, try num: " attemptnum)
(mutex-lock! *rmt-mutex*)
(remote-conndat-set! runremote #f)
(http-transport:close-connections area-dat: runremote)
(remote-server-url-set! runremote #f)
(mutex-unlock! *rmt-mutex*)
(debug:print-info 12 *default-log-port* "rmt:send-receive, case 9.1")
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
(define (extras-transport-succeded *default-log-port* *rmt-mutex* attemptnum runremote res params rid cmd)
(if (and (vector? res)
(eq? (vector-length res) 2)
(eq? (vector-ref res 1) 'overloaded)) ;; since we are
;; looking at the
;; data to carry the
;; error we'll use a
;; fairly obtuse
;; combo to minimise
;; the chances of
;; some sort of
;; collision. this
;; is the case where
;; the returned data
;; is bad or the
;; server is
;; overloaded and we
;; want to ease off
;; the queries
(let ((wait-delay (+ attemptnum (* attemptnum 10))))
(debug:print 0 *default-log-port* "WARNING: server is overloaded. Delaying " wait-delay " seconds and trying call again.")
(mutex-lock! *rmt-mutex*)
(http-transport:close-connections area-dat: runremote)
(set! *runremote* #f) ;; force starting over
(mutex-unlock! *rmt-mutex*)
(thread-sleep! wait-delay)
(rmt:send-receive cmd rid params attemptnum: (+ attemptnum 1)))
res)) ;; All good, return res
#;(set-functions rmt:send-receive remote-server-url-set!
http-transport:close-connections remote-conndat-set!
debug:print debug:print-info
remote-ro-mode remote-ro-mode-set!
remote-ro-mode-checked-set! remote-ro-mode-checked)
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