1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
;; Copyright 2006-2012, Matthew Welland.
;;
;; This program is made available under the GNU GPL version 2.0 or
;; greater. See the accompanying file COPYING for details.
;;
;; This program is distributed WITHOUT ANY WARRANTY; without even the
;; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;; PURPOSE.
;;======================================================================
;; C L I E N T S
;;======================================================================
(require-extension (srfi 18) extras tcp s11n)
(use sqlite3 srfi-1 posix regex regex-case srfi-69 hostinfo md5 message-digest)
;; (use zmq)
(import (prefix sqlite3 sqlite3:))
(use spiffy uri-common intarweb http-client spiffy-request-vars uri-common intarweb directory-utils)
(define (client:logout serverdat)
(let ((ok (and (socket? serverdat)
(cdb:logout serverdat *toppath* (client:get-signature)))))
ok))
(define (client:connect iface port)
(case (server:get-transport)
((rpc) (rpc:client-connect iface port))
((http) (http:client-connect iface port))
((zmq) (zmq:client-connect iface port))
(else (rpc:client-connect iface port))))
(define (client:setup run-id #!key (remaining-tries 10) (failed-connects 0))
(case (server:get-transport)
((rpc) (rpc-transport:client-setup run-id)) ;;(client:setup-rpc run-id))
((http)(client:setup-http run-id))
(else (rpc-transport:client-setup run-id)))) ;; (client:setup-rpc run-id))))
;; (define (client:login-no-auto-setup server-info run-id)
;; (case (server:get-transport)
;; ((rpc) (rpc:login-no-auto-client-setup server-info run-id))
;; ((http) (rmt:login-no-auto-client-setup server-info run-id))
;; (else (rpc:login-no-auto-client-setup server-info run-id))))
;;
;; (define (client:setup-rpc run-id)
;; (debug:print 0 *default-log-port* "INFO: client:setup remaining-tries=" remaining-tries)
;; (if (<= remaining-tries 0)
;; (begin
;; (debug:print-error 0 *default-log-port* "failed to start or connect to server for run-id " run-id)
;; (exit 1))
;; (let ((host-info (hash-table-ref/default *runremote* run-id #f)))
;; (debug:print-info 0 *default-log-port* "client:setup host-info=" host-info ", remaining-tries=" remaining-tries)
;; (if host-info
;; (let* ((iface (car host-info))
;; (port (cadr host-info))
;; (start-res (client:connect iface port))
;; ;; (ping-res (server:ping-server run-id iface port))
;; (ping-res (client:login-no-auto-setup start-res run-id)))
;; (if ping-res ;; sucessful login?
;; (begin
;; (hash-table-set! *runremote* run-id start-res)
;; start-res) ;; return the server info
;; (if (member remaining-tries '(3 4 6))
;; (begin ;; login failed
;; (debug:print 25 *default-log-port* "INFO: client:setup start-res=" start-res ", run-id=" run-id ", server-dat=" host-info)
;; (hash-table-delete! *runremote* run-id)
;; (open-run-close tasks:server-force-clean-run-record
;; tasks:open-db
;; run-id
;; (car host-info)
;; (cadr host-info)
;; " client:setup (host-info=#t)")
;; (thread-sleep! 5)
;; (client:setup run-id remaining-tries: 10)) ;; (- remaining-tries 1)))
;; (begin
;; (debug:print 25 *default-log-port* "INFO: client:setup failed to connect, start-res=" start-res ", run-id=" run-id ", host-info=" host-info)
;; (thread-sleep! 5)
;; (client:setup run-id remaining-tries: (- remaining-tries 1))))))
;; ;; YUK: rename server-dat here
;; (let* ((server-dat (open-run-close tasks:get-server tasks:open-db run-id)))
;; (debug:print-info 0 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
;; (if server-dat
;; (let* ((iface (tasks:hostinfo-get-interface server-dat))
;; (port (tasks:hostinfo-get-port server-dat))
;; (start-res (http-transport:client-connect iface port))
;; ;; (ping-res (server:ping-server run-id iface port))
;; (ping-res (rmt:login-no-auto-client-setup start-res run-id)))
;; (if start-res
;; (begin
;; (hash-table-set! *runremote* run-id start-res)
;; start-res)
;; (if (member remaining-tries '(2 5))
;; (begin ;; login failed
;; (debug:print 25 *default-log-port* "INFO: client:setup start-res=" start-res ", run-id=" run-id ", server-dat=" server-dat)
;; (hash-table-delete! *runremote* run-id)
;; (open-run-close tasks:server-force-clean-run-record
;; tasks:open-db
;; run-id
;; (tasks:hostinfo-get-interface server-dat)
;; (tasks:hostinfo-get-port server-dat)
;; " client:setup (server-dat = #t)")
;; (thread-sleep! 2)
;; (server:try-running run-id)
;; (thread-sleep! 10) ;; give server a little time to start up
;; (client:setup run-id remaining-tries: 10)) ;; (- remaining-tries 1)))
;; (begin
;; (debug:print 25 *default-log-port* "INFO: client:setup start-res=" start-res ", run-id=" run-id ", server-dat=" server-dat)
;; (thread-sleep! 5)
;; (client:setup run-id remaining-tries: (- remaining-tries 1))))))
;; (begin ;; no server registered
;; (if (eq? remaining-tries 2)
;; (begin
;; ;; (open-run-close tasks:server-clean-out-old-records-for-run-id tasks:open-db run-id " client:setup (server-dat=#f)")
;; (client:setup run-id remaining-tries: 10))
;; (begin
;; (thread-sleep! 2)
;; (debug:print 25 *default-log-port* "INFO: client:setup start-res (not defined here), run-id=" run-id ", server-dat=" server-dat)
;; (if (< (open-run-close tasks:num-in-available-state tasks:open-db run-id) 3)
;; (begin
;; ;; (open-run-close tasks:server-clean-out-old-records-for-run-id tasks:open-db run-id " client:setup (server-dat=#f)")
;; (server:try-running run-id)))
;; (thread-sleep! 10) ;; give server a little time to start up
;; (client:setup run-id remaining-tries: (- remaining-tries 1)))))))))))
;; Do all the connection work, look up the transport type and set up the
;; connection if required.
;;
;; There are two scenarios.
;; 1. We are a test manager and we received *transport-type* and *runremote* via cmdline
;; 2. We are a run tests, list runs or other interactive process and we must figure out
;; *transport-type* and *runremote* from the monitor.db
;;
;; client:setup
;;
;; lookup_server, need to remove *runremote* stuff
;;
(define (client:setup-http run-id #!key (remaining-tries 10) (failed-connects 0))
(let* ((tdbdat (tasks:open-db)))
(if (<= remaining-tries 0)
(begin
(debug:print-error 0 *default-log-port* "failed to start or connect to server for run-id " run-id)
(exit 1))
(let* ((server-dat (tasks:get-server (db:delay-if-busy tdbdat) run-id)))
(debug:print-info 4 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
(if server-dat
(let* ((iface (tasks:hostinfo-get-interface server-dat))
(hostname (tasks:hostinfo-get-hostname server-dat))
(port (tasks:hostinfo-get-port server-dat))
(start-res (case *transport-type*
((http)(http-transport:client-connect iface port))
((nmsg)(nmsg-transport:client-connect hostname port))))
(ping-res (case *transport-type*
((http)(rmt:login-no-auto-client-setup start-res run-id))
((nmsg)(let ((logininfo (rmt:login-no-auto-client-setup start-res run-id)))
(if logininfo
(car (vector-ref logininfo 1))
#f))))))
(if (and start-res
ping-res)
(begin
(hash-table-set! *runremote* run-id start-res)
(debug:print-info 2 *default-log-port* "connected to " (http-transport:server-dat-make-url start-res))
start-res)
(begin ;; login failed but have a server record, clean out the record and try again
(debug:print-info 0 *default-log-port* "client:setup, login failed, will attempt to start server ... start-res=" start-res ", run-id=" run-id ", server-dat=" server-dat)
(case *transport-type*
((http)(http-transport:close-connections run-id)))
(hash-table-delete! *runremote* run-id)
(tasks:kill-server-run-id run-id)
(tasks:server-force-clean-run-record (db:delay-if-busy tdbdat)
run-id
(tasks:hostinfo-get-interface server-dat)
(tasks:hostinfo-get-port server-dat)
" client:setup (server-dat = #t)")
(if (> remaining-tries 8)
(thread-sleep! (+ 1 (random 5))) ;; spread out the starts a little
(thread-sleep! (+ 15 (random 20)))) ;; it isn't going well. give it plenty of time
(server:try-running run-id)
(thread-sleep! 5) ;; give server a little time to start up
(client:setup run-id remaining-tries: (- remaining-tries 1))
)))
(begin ;; no server registered
(let ((num-available (tasks:num-in-available-state (db:dbdat-get-db tdbdat) run-id)))
(debug:print-info 0 *default-log-port* "client:setup, no server registered, remaining-tries=" remaining-tries " num-available=" num-available)
(if (< num-available 2)
(server:try-running run-id))
(thread-sleep! (+ 5 (random (- 20 remaining-tries)))) ;; give server a little time to start up, randomize a little to avoid start storms.
(client:setup run-id remaining-tries: (- remaining-tries 1)))))))))
;; keep this as a function to ease future
(define (client:start run-id server-info)
(http-transport:client-connect (tasks:hostinfo-get-interface server-info)
(tasks:hostinfo-get-port server-info)))
;; ;; client:signal-handler
;; (define (client:signal-handler signum)
;; (signal-mask! signum)
;; (set! *time-to-exit* #t)
;; (handle-exceptions
;; exn
;; (debug:print 0 *default-log-port* " ... exiting ...")
;; (let ((th1 (make-thread (lambda ()
;; "") ;; do nothing for now (was flush out last call if applicable)
;; "eat response"))
;; (th2 (make-thread (lambda ()
;; (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.")
;; (thread-sleep! 1) ;; give the flush one second to do it's stuff
;; (debug:print 0 *default-log-port* " Done.")
;; (exit 4))
;; "exit on ^C timer")))
;; (thread-start! th2)
;; (thread-start! th1)
;; (thread-join! th2))))
;;
;; ;; client:launch
;; ;; Need to set the signal handler somewhere other than here as this
;; ;; routine will go away.
;; ;;
;; (define (client:launch run-id)
;; (set-signal-handler! signal/int client:signal-handler)
;; (set-signal-handler! signal/term client:signal-handler)
;; (if (client:setup run-id)
;; (debug:print-info 2 *default-log-port* "connected as client")
;; (begin
;; (debug:print-error 0 *default-log-port* "Failed to connect as client")
;; (exit))))
;;
|
|
|
>
>
>
>
>
|
|
>
|
>
>
<
|
<
<
|
<
<
|
|
|
>
|
|
>
|
|
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
>
|
|
|
|
|
>
>
>
>
|
>
>
>
>
>
|
<
<
<
<
<
<
<
<
<
<
<
<
<
|
|
<
|
<
|
<
<
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
<
<
|
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
;; Copyright 2006-2012, 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/>.
;;======================================================================
;; C L I E N T S
;;======================================================================
(use srfi-18 extras tcp s11n srfi-1 posix regex srfi-69 hostinfo md5
message-digest matchable spiffy uri-common intarweb http-client
spiffy-request-vars uri-common intarweb directory-utils)
(declare (unit client))
(declare (uses common))
(declare (uses db))
(declare (uses tasks)) ;; tasks are where stuff is maintained about what is running.
(include "common_records.scm")
(include "db_records.scm")
;; client:get-signature
(define (client:get-signature)
(if *my-client-signature* *my-client-signature*
(let ((sig (conc (get-host-name) " " (current-process-id))))
(set! *my-client-signature* sig)
*my-client-signature*)))
;; Not currently used! But, I think it *should* be used!!!
#;(define (client:logout serverdat)
(let ((ok (and (socket? serverdat)
(cdb:logout serverdat *toppath* (client:get-signature)))))
ok))
#;(define (client:connect iface port)
(http-transport:client-connect iface port)
#;(case (server:get-transport)
((rpc) (rpc:client-connect iface port))
((http) (http:client-connect iface port))
((zmq) (zmq:client-connect iface port))
(else (rpc:client-connect iface port))))
(define (client:setup areapath #!key (remaining-tries 100) (failed-connects 0))
(client:setup-http areapath remaining-tries: remaining-tries failed-connects: failed-connects)
#;(case (server:get-transport)
((rpc) (rpc-transport:client-setup remaining-tries: remaining-tries failed-connects: failed-connects)) ;;(client:setup-rpc run-id))
((http)(client:setup-http areapath remaining-tries: remaining-tries failed-connects: failed-connects))
(else (rpc-transport:client-setup remaining-tries: remaining-tries failed-connects: failed-connects)))) ;; (client:setup-rpc run-id))))
;; Do all the connection work, look up the transport type and set up the
;; connection if required.
;;
;; There are two scenarios.
;; 1. We are a test manager and we received *transport-type* and *runremote* via cmdline
;; 2. We are a run tests, list runs or other interactive process and we must figure out
;; *transport-type* and *runremote* from the monitor.db
;;
;; client:setup
;;
;; lookup_server, need to remove *runremote* stuff
;;
(define (client:setup-http areapath #!key (remaining-tries 100) (failed-connects 0)(area-dat #f))
(debug:print-info 2 *default-log-port* "client:setup remaining-tries=" remaining-tries)
(server:start-and-wait areapath)
(if (<= remaining-tries 0)
(begin
(debug:print-error 0 *default-log-port* "failed to start or connect to server")
(exit 1))
;;
;; Alternatively here, we can get the list of candidate servers and work our way
;; through them searching for a good one.
;;
(let* ((server-dat (server:get-rand-best areapath)) ;; (server:get-first-best areapath))
(runremote (or area-dat *runremote*)))
(if (not server-dat) ;; no server found
(client:setup-http areapath remaining-tries: (- remaining-tries 1))
(let ((host (cadr server-dat))
(port (caddr server-dat)))
(debug:print-info 4 *default-log-port* "client:setup server-dat=" server-dat ", remaining-tries=" remaining-tries)
(if (and (not area-dat)
(not *runremote*))
(set! *runremote* (make-remote)))
(if (and host port)
(let* ((start-res (case *transport-type*
((http)(http-transport:client-connect host port))))
(ping-res (case *transport-type*
((http)(rmt:login-no-auto-client-setup start-res)))))
(if (and start-res
ping-res)
(let ((runremote (or area-dat *runremote*))) ;; it might have been generated only a few statements ago
(remote-conndat-set! runremote start-res) ;; (hash-table-set! runremote run-id start-res)
(debug:print-info 2 *default-log-port* "connected to " (http-transport:server-dat-make-url start-res))
start-res)
(begin ;; login failed but have a server record, clean out the record and try again
(debug:print-info 0 *default-log-port* "client:setup, login unsuccessful, will attempt to start server ... start-res=" start-res ", server-dat=" server-dat) ;; had runid. Fixes part of Randy;s ticket 1405717332
(case *transport-type*
((http)(http-transport:close-connections)))
(remote-conndat-set! runremote #f) ;; (hash-table-delete! runremote run-id)
(thread-sleep! 1)
(client:setup-http areapath remaining-tries: (- remaining-tries 1))
)))
(begin ;; no server registered
;; (server:kind-run areapath)
(server:start-and-wait areapath)
(debug:print-info 0 *default-log-port* "client:setup, no server registered, remaining-tries=" remaining-tries)
(thread-sleep! 1) ;; (+ 5 (random (- 20 remaining-tries)))) ;; give server a little time to start up, randomize a little to avoid start storms.
(client:setup-http areapath remaining-tries: (- remaining-tries 1)))))))))
|