Artifact 1157749304d2daa3fc0fe0242fabd626f535adb9:
- File server.scm — part of check-in [5dfcd8ae0b] at 2013-04-25 17:14:02 on branch v1.54 — Turned off zmq for now (missed one use statement) (user: mrwellan size: 4091) [more...]
0000: 0a 3b 3b 20 43 6f 70 79 72 69 67 68 74 20 32 30 .;; Copyright 20 0010: 30 36 2d 32 30 31 32 2c 20 4d 61 74 74 68 65 77 06-2012, Matthew 0020: 20 57 65 6c 6c 61 6e 64 2e 0a 3b 3b 20 0a 3b 3b Welland..;; .;; 0030: 20 20 54 68 69 73 20 70 72 6f 67 72 61 6d 20 69 This program i 0040: 73 20 6d 61 64 65 20 61 76 61 69 6c 61 62 6c 65 s made available 0050: 20 75 6e 64 65 72 20 74 68 65 20 47 4e 55 20 47 under the GNU G 0060: 50 4c 20 76 65 72 73 69 6f 6e 20 32 2e 30 20 6f PL version 2.0 o 0070: 72 0a 3b 3b 20 20 67 72 65 61 74 65 72 2e 20 53 r.;; greater. S 0080: 65 65 20 74 68 65 20 61 63 63 6f 6d 70 61 6e 79 ee the accompany 0090: 69 6e 67 20 66 69 6c 65 20 43 4f 50 59 49 4e 47 ing file COPYING 00a0: 20 66 6f 72 20 64 65 74 61 69 6c 73 2e 0a 3b 3b for details..;; 00b0: 20 0a 3b 3b 20 20 54 68 69 73 20 70 72 6f 67 72 .;; This progr 00c0: 61 6d 20 69 73 20 64 69 73 74 72 69 62 75 74 65 am is distribute 00d0: 64 20 57 49 54 48 4f 55 54 20 41 4e 59 20 57 41 d WITHOUT ANY WA 00e0: 52 52 41 4e 54 59 3b 20 77 69 74 68 6f 75 74 20 RRANTY; without 00f0: 65 76 65 6e 20 74 68 65 0a 3b 3b 20 20 69 6d 70 even the.;; imp 0100: 6c 69 65 64 20 77 61 72 72 61 6e 74 79 20 6f 66 lied warranty of 0110: 20 4d 45 52 43 48 41 4e 54 41 42 49 4c 49 54 59 MERCHANTABILITY 0120: 20 6f 72 20 46 49 54 4e 45 53 53 20 46 4f 52 20 or FITNESS FOR 0130: 41 20 50 41 52 54 49 43 55 4c 41 52 0a 3b 3b 20 A PARTICULAR.;; 0140: 20 50 55 52 50 4f 53 45 2e 0a 0a 28 72 65 71 75 PURPOSE...(requ 0150: 69 72 65 2d 65 78 74 65 6e 73 69 6f 6e 20 28 73 ire-extension (s 0160: 72 66 69 20 31 38 29 20 65 78 74 72 61 73 20 74 rfi 18) extras t 0170: 63 70 20 73 31 31 6e 29 0a 0a 28 75 73 65 20 73 cp s11n)..(use s 0180: 72 66 69 2d 31 20 70 6f 73 69 78 20 72 65 67 65 rfi-1 posix rege 0190: 78 20 72 65 67 65 78 2d 63 61 73 65 20 73 72 66 x regex-case srf 01a0: 69 2d 36 39 20 68 6f 73 74 69 6e 66 6f 20 6d 64 i-69 hostinfo md 01b0: 35 20 6d 65 73 73 61 67 65 2d 64 69 67 65 73 74 5 message-digest 01c0: 29 0a 3b 3b 20 28 75 73 65 20 7a 6d 71 29 0a 0a ).;; (use zmq).. 01d0: 28 75 73 65 20 73 70 69 66 66 79 20 75 72 69 2d (use spiffy uri- 01e0: 63 6f 6d 6d 6f 6e 20 69 6e 74 61 72 77 65 62 20 common intarweb 01f0: 68 74 74 70 2d 63 6c 69 65 6e 74 20 73 70 69 66 http-client spif 0200: 66 79 2d 72 65 71 75 65 73 74 2d 76 61 72 73 29 fy-request-vars) 0210: 0a 0a 28 64 65 63 6c 61 72 65 20 28 75 6e 69 74 ..(declare (unit 0220: 20 73 65 72 76 65 72 29 29 0a 0a 28 64 65 63 6c server))..(decl 0230: 61 72 65 20 28 75 73 65 73 20 63 6f 6d 6d 6f 6e are (uses common 0240: 29 29 0a 28 64 65 63 6c 61 72 65 20 28 75 73 65 )).(declare (use 0250: 73 20 64 62 29 29 0a 28 64 65 63 6c 61 72 65 20 s db)).(declare 0260: 28 75 73 65 73 20 74 61 73 6b 73 29 29 20 3b 3b (uses tasks)) ;; 0270: 20 74 61 73 6b 73 20 61 72 65 20 77 68 65 72 65 tasks are where 0280: 20 73 74 75 66 66 20 69 73 20 6d 61 69 6e 74 61 stuff is mainta 0290: 69 6e 65 64 20 61 62 6f 75 74 20 77 68 61 74 20 ined about what 02a0: 69 73 20 72 75 6e 6e 69 6e 67 2e 0a 28 64 65 63 is running..(dec 02b0: 6c 61 72 65 20 28 75 73 65 73 20 73 79 6e 63 68 lare (uses synch 02c0: 61 73 68 29 29 0a 28 64 65 63 6c 61 72 65 20 28 ash)).(declare ( 02d0: 75 73 65 73 20 68 74 74 70 2d 74 72 61 6e 73 70 uses http-transp 02e0: 6f 72 74 29 29 0a 3b 3b 20 28 64 65 63 6c 61 72 ort)).;; (declar 02f0: 65 20 28 75 73 65 73 20 7a 6d 71 2d 74 72 61 6e e (uses zmq-tran 0300: 73 70 6f 72 74 29 29 0a 28 64 65 63 6c 61 72 65 sport)).(declare 0310: 20 28 75 73 65 73 20 64 61 65 6d 6f 6e 29 29 0a (uses daemon)). 0320: 0a 28 69 6e 63 6c 75 64 65 20 22 63 6f 6d 6d 6f .(include "commo 0330: 6e 5f 72 65 63 6f 72 64 73 2e 73 63 6d 22 29 0a n_records.scm"). 0340: 28 69 6e 63 6c 75 64 65 20 22 64 62 5f 72 65 63 (include "db_rec 0350: 6f 72 64 73 2e 73 63 6d 22 29 0a 0a 28 64 65 66 ords.scm")..(def 0360: 69 6e 65 20 28 73 65 72 76 65 72 3a 6d 61 6b 65 ine (server:make 0370: 2d 73 65 72 76 65 72 2d 75 72 6c 20 68 6f 73 74 -server-url host 0380: 70 6f 72 74 29 0a 20 20 28 69 66 20 28 6e 6f 74 port). (if (not 0390: 20 68 6f 73 74 70 6f 72 74 29 0a 20 20 20 20 20 hostport). 03a0: 20 23 66 0a 20 20 20 20 20 20 28 63 6f 6e 63 20 #f. (conc 03b0: 22 68 74 74 70 3a 2f 2f 22 20 28 63 61 72 20 68 "http://" (car h 03c0: 6f 73 74 70 6f 72 74 29 20 22 3a 22 20 28 63 61 ostport) ":" (ca 03d0: 64 72 20 68 6f 73 74 70 6f 72 74 29 29 29 29 0a dr hostport)))). 03e0: 0a 28 64 65 66 69 6e 65 20 20 2a 73 65 72 76 65 .(define *serve 03f0: 72 2d 6c 6f 6f 70 2d 68 65 61 72 74 2d 62 65 61 r-loop-heart-bea 0400: 74 2a 20 28 63 75 72 72 65 6e 74 2d 73 65 63 6f t* (current-seco 0410: 6e 64 73 29 29 0a 28 64 65 66 69 6e 65 20 2a 68 nds)).(define *h 0420: 65 61 72 74 62 65 61 74 2d 6d 75 74 65 78 2a 20 eartbeat-mutex* 0430: 28 6d 61 6b 65 2d 6d 75 74 65 78 29 29 0a 0a 3b (make-mutex))..; 0440: 3b 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ;=============== 0450: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0460: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0470: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0480: 3d 3d 3d 3d 3d 3d 3d 0a 3b 3b 20 53 20 45 20 52 =======.;; S E R 0490: 20 56 20 45 20 52 0a 3b 3b 3d 3d 3d 3d 3d 3d 3d V E R.;;======= 04a0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 04b0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 04c0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 04d0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 0a ===============. 04e0: 0a 3b 3b 20 43 61 6c 6c 20 74 68 69 73 20 74 6f .;; Call this to 04f0: 20 73 74 61 72 74 20 74 68 65 20 61 63 74 75 61 start the actua 0500: 6c 20 73 65 72 76 65 72 0a 3b 3b 0a 0a 3b 3b 20 l server.;;..;; 0510: 61 6c 6c 20 72 6f 75 74 65 73 20 74 68 6f 75 67 all routes thoug 0520: 68 20 68 65 72 65 20 65 6e 64 20 69 6e 20 65 78 h here end in ex 0530: 69 74 20 2e 2e 2e 0a 28 64 65 66 69 6e 65 20 28 it ....(define ( 0540: 73 65 72 76 65 72 3a 6c 61 75 6e 63 68 20 74 72 server:launch tr 0550: 61 6e 73 70 6f 72 74 29 0a 20 20 28 69 66 20 28 ansport). (if ( 0560: 6e 6f 74 20 2a 74 6f 70 70 61 74 68 2a 29 0a 20 not *toppath*). 0570: 20 20 20 20 20 28 69 66 20 28 6e 6f 74 20 28 73 (if (not (s 0580: 65 74 75 70 2d 66 6f 72 2d 72 75 6e 29 29 0a 09 etup-for-run)).. 0590: 20 20 28 62 65 67 69 6e 0a 09 20 20 20 20 28 64 (begin.. (d 05a0: 65 62 75 67 3a 70 72 69 6e 74 20 30 20 22 45 52 ebug:print 0 "ER 05b0: 52 4f 52 3a 20 63 61 6e 6e 6f 74 20 66 69 6e 64 ROR: cannot find 05c0: 20 6d 65 67 61 74 65 73 74 2e 63 6f 6e 66 69 67 megatest.config 05d0: 2c 20 65 78 69 74 69 6e 67 22 29 0a 09 20 20 20 , exiting").. 05e0: 20 28 65 78 69 74 29 29 29 29 0a 20 20 28 64 65 (exit)))). (de 05f0: 62 75 67 3a 70 72 69 6e 74 2d 69 6e 66 6f 20 32 bug:print-info 2 0600: 20 22 53 74 61 72 74 69 6e 67 20 73 65 72 76 65 "Starting serve 0610: 72 20 75 73 69 6e 67 20 22 20 74 72 61 6e 73 70 r using " transp 0620: 6f 72 74 20 22 20 74 72 61 6e 73 70 6f 72 74 22 ort " transport" 0630: 29 0a 20 20 28 73 65 74 21 20 2a 74 72 61 6e 73 ). (set! *trans 0640: 70 6f 72 74 2d 74 79 70 65 2a 20 74 72 61 6e 73 port-type* trans 0650: 70 6f 72 74 29 0a 20 20 28 63 61 73 65 20 74 72 port). (case tr 0660: 61 6e 73 70 6f 72 74 0a 20 20 20 20 28 28 66 73 ansport. ((fs 0670: 29 20 20 20 28 65 78 69 74 29 29 20 3b 3b 20 74 ) (exit)) ;; t 0680: 68 65 72 65 20 69 73 20 6e 6f 20 22 66 73 22 20 here is no "fs" 0690: 74 72 61 6e 73 70 6f 72 74 0a 20 20 20 20 28 28 transport. (( 06a0: 68 74 74 70 29 20 28 68 74 74 70 2d 74 72 61 6e http) (http-tran 06b0: 73 70 6f 72 74 3a 6c 61 75 6e 63 68 29 29 0a 20 sport:launch)). 06c0: 20 20 20 28 28 7a 6d 71 29 20 20 28 7a 6d 71 2d ((zmq) (zmq- 06d0: 74 72 61 6e 73 70 6f 72 74 3a 6c 61 75 6e 63 68 transport:launch 06e0: 29 29 0a 20 20 20 20 28 65 6c 73 65 0a 20 20 20 )). (else. 06f0: 20 20 28 64 65 62 75 67 3a 70 72 69 6e 74 20 22 (debug:print " 0700: 57 41 52 4e 49 4e 47 3a 20 75 6e 72 65 63 6f 67 WARNING: unrecog 0710: 6e 69 73 65 64 20 74 72 61 6e 73 70 6f 72 74 20 nised transport 0720: 22 20 74 72 61 6e 73 70 6f 72 74 29 0a 20 20 20 " transport). 0730: 20 20 28 65 78 69 74 29 29 29 29 0a 0a 3b 3b 3d (exit))))..;;= 0740: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0750: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0760: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0770: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0780: 3d 3d 3d 3d 3d 0a 3b 3b 20 51 20 55 20 45 20 55 =====.;; Q U E U 0790: 20 45 20 20 20 4d 20 41 20 4e 20 41 20 47 20 45 E M A N A G E 07a0: 20 4d 20 45 20 4e 20 54 0a 3b 3b 3d 3d 3d 3d 3d M E N T.;;===== 07b0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 07c0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 07d0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 07e0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 07f0: 3d 0a 0a 3b 3b 20 57 65 20 64 6f 6e 27 74 20 77 =..;; We don't w 0800: 61 6e 74 20 74 6f 20 66 6c 75 73 68 20 74 68 65 ant to flush the 0810: 20 71 75 65 75 65 20 69 66 20 69 74 20 77 61 73 queue if it was 0820: 20 6a 75 73 74 20 66 6c 75 73 68 65 64 0a 28 64 just flushed.(d 0830: 65 66 69 6e 65 20 2a 73 65 72 76 65 72 3a 6c 61 efine *server:la 0840: 73 74 2d 77 72 69 74 65 2d 66 6c 75 73 68 2a 20 st-write-flush* 0850: 28 63 75 72 72 65 6e 74 2d 6d 69 6c 6c 69 73 65 (current-millise 0860: 63 6f 6e 64 73 29 29 0a 0a 3b 3b 20 46 6c 75 73 conds))..;; Flus 0870: 68 20 74 68 65 20 71 75 65 75 65 20 65 76 65 72 h the queue ever 0880: 79 20 74 68 69 72 64 20 6f 66 20 61 20 73 65 63 y third of a sec 0890: 6f 6e 64 2e 20 43 61 6e 20 77 65 20 61 73 73 75 ond. Can we assu 08a0: 6d 65 20 74 68 61 74 20 73 65 74 75 70 2d 66 6f me that setup-fo 08b0: 72 2d 72 75 6e 20 0a 3b 3b 20 68 61 73 20 61 6c r-run .;; has al 08c0: 72 65 61 64 79 20 62 65 65 6e 20 64 6f 6e 65 3f ready been done? 08d0: 0a 28 64 65 66 69 6e 65 20 28 73 65 72 76 65 72 .(define (server 08e0: 3a 77 72 69 74 65 2d 71 75 65 75 65 2d 68 61 6e :write-queue-han 08f0: 64 6c 65 72 29 0a 20 20 28 69 66 20 28 73 65 74 dler). (if (set 0900: 75 70 2d 66 6f 72 2d 72 75 6e 29 0a 20 20 20 20 up-for-run). 0910: 20 20 28 6c 65 74 20 28 28 64 62 20 28 6f 70 65 (let ((db (ope 0920: 6e 2d 64 62 29 29 29 0a 09 28 6c 65 74 20 6c 6f n-db)))..(let lo 0930: 6f 70 20 28 29 0a 09 20 20 28 6c 65 74 20 28 28 op ().. (let (( 0940: 6c 61 73 74 2d 77 72 69 74 65 2d 66 6c 75 73 68 last-write-flush 0950: 2d 74 69 6d 65 20 23 66 29 29 0a 09 20 20 20 20 -time #f)).. 0960: 28 6d 75 74 65 78 2d 6c 6f 63 6b 21 20 2a 69 6e (mutex-lock! *in 0970: 63 6f 6d 69 6e 67 2d 6d 75 74 65 78 2a 29 0a 09 coming-mutex*).. 0980: 20 20 20 20 28 73 65 74 21 20 6c 61 73 74 2d 77 (set! last-w 0990: 72 69 74 65 2d 66 6c 75 73 68 2d 74 69 6d 65 20 rite-flush-time 09a0: 2a 73 65 72 76 65 72 3a 6c 61 73 74 2d 77 72 69 *server:last-wri 09b0: 74 65 2d 66 6c 75 73 68 2a 29 0a 09 20 20 20 20 te-flush*).. 09c0: 28 6d 75 74 65 78 2d 75 6e 6c 6f 63 6b 21 20 2a (mutex-unlock! * 09d0: 69 6e 63 6f 6d 69 6e 67 2d 6d 75 74 65 78 2a 29 incoming-mutex*) 09e0: 0a 09 20 20 20 20 28 69 66 20 28 3e 20 28 2d 20 .. (if (> (- 09f0: 28 63 75 72 72 65 6e 74 2d 6d 69 6c 6c 69 73 65 (current-millise 0a00: 63 6f 6e 64 73 29 20 6c 61 73 74 2d 77 72 69 74 conds) last-writ 0a10: 65 2d 66 6c 75 73 68 2d 74 69 6d 65 29 20 31 30 e-flush-time) 10 0a20: 29 0a 09 09 28 62 65 67 69 6e 0a 09 09 20 20 28 )...(begin... ( 0a30: 6d 75 74 65 78 2d 6c 6f 63 6b 21 20 2a 64 62 3a mutex-lock! *db: 0a40: 70 72 6f 63 65 73 73 2d 71 75 65 75 65 2d 6d 75 process-queue-mu 0a50: 74 65 78 2a 29 0a 09 09 20 20 28 64 62 3a 70 72 tex*)... (db:pr 0a60: 6f 63 65 73 73 2d 63 61 63 68 65 64 2d 77 72 69 ocess-cached-wri 0a70: 74 65 73 20 64 62 29 0a 09 09 20 20 28 6d 75 74 tes db)... (mut 0a80: 65 78 2d 75 6e 6c 6f 63 6b 21 20 2a 64 62 3a 70 ex-unlock! *db:p 0a90: 72 6f 63 65 73 73 2d 71 75 65 75 65 2d 6d 75 74 rocess-queue-mut 0aa0: 65 78 2a 29 0a 09 09 20 20 28 74 68 72 65 61 64 ex*)... (thread 0ab0: 2d 73 6c 65 65 70 21 20 30 2e 30 30 35 29 29 29 -sleep! 0.005))) 0ac0: 29 0a 09 20 20 28 6c 6f 6f 70 29 29 29 0a 20 20 ).. (loop))). 0ad0: 20 20 20 20 28 62 65 67 69 6e 0a 09 28 64 65 62 (begin..(deb 0ae0: 75 67 3a 70 72 69 6e 74 20 30 20 22 45 52 52 4f ug:print 0 "ERRO 0af0: 52 3a 20 66 61 69 6c 65 64 20 74 6f 20 73 65 74 R: failed to set 0b00: 75 70 20 66 6f 72 20 4d 65 67 61 74 65 73 74 20 up for Megatest 0b10: 69 6e 20 73 65 72 76 65 72 3a 77 72 69 74 65 2d in server:write- 0b20: 71 75 65 75 65 2d 68 61 6e 64 6c 65 72 22 29 0a queue-handler"). 0b30: 09 28 65 78 69 74 20 31 29 29 29 29 0a 20 20 20 .(exit 1)))). 0b40: 20 0a 3b 3b 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d .;;============ 0b50: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0b60: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0b70: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0b80: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 0a 3b 3b 20 53 20 ==========.;; S 0b90: 45 20 52 20 56 20 45 20 52 20 20 20 55 20 54 20 E R V E R U T 0ba0: 49 20 4c 20 49 20 54 20 49 20 45 20 53 20 0a 3b I L I T I E S .; 0bb0: 3b 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ;=============== 0bc0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0bd0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0be0: 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ================ 0bf0: 3d 3d 3d 3d 3d 3d 3d 0a 0a 3b 3b 20 47 65 6e 65 =======..;; Gene 0c00: 72 61 74 65 20 61 20 75 6e 69 71 75 65 20 73 69 rate a unique si 0c10: 67 6e 61 74 75 72 65 20 66 6f 72 20 74 68 69 73 gnature for this 0c20: 20 73 65 72 76 65 72 0a 28 64 65 66 69 6e 65 20 server.(define 0c30: 28 73 65 72 76 65 72 3a 6d 6b 2d 73 69 67 6e 61 (server:mk-signa 0c40: 74 75 72 65 29 0a 20 20 28 6d 65 73 73 61 67 65 ture). (message 0c50: 2d 64 69 67 65 73 74 2d 73 74 72 69 6e 67 20 28 -digest-string ( 0c60: 6d 64 35 2d 70 72 69 6d 69 74 69 76 65 29 20 0a md5-primitive) . 0c70: 09 09 09 20 28 77 69 74 68 2d 6f 75 74 70 75 74 ... (with-output 0c80: 2d 74 6f 2d 73 74 72 69 6e 67 0a 09 09 09 20 20 -to-string.... 0c90: 20 28 6c 61 6d 62 64 61 20 28 29 0a 09 09 09 20 (lambda ().... 0ca0: 20 20 20 20 28 77 72 69 74 65 20 28 6c 69 73 74 (write (list 0cb0: 20 28 63 75 72 72 65 6e 74 2d 64 69 72 65 63 74 (current-direct 0cc0: 6f 72 79 29 0a 09 09 09 09 09 20 20 28 61 72 67 ory)...... (arg 0cd0: 76 29 29 29 29 29 29 29 0a 0a 0a 3b 3b 20 57 68 v)))))))...;; Wh 0ce0: 65 6e 20 75 73 69 6e 67 20 7a 6d 71 20 74 68 69 en using zmq thi 0cf0: 73 20 77 6f 75 6c 64 20 73 65 6e 64 20 74 68 65 s would send the 0d00: 20 6d 65 73 73 61 67 65 20 62 61 63 6b 20 28 74 message back (t 0d10: 77 6f 20 73 74 65 70 20 70 72 6f 63 65 73 73 29 wo step process) 0d20: 0a 3b 3b 20 77 69 74 68 20 73 70 69 66 66 79 20 .;; with spiffy 0d30: 6f 72 20 72 70 63 20 74 68 69 73 20 73 69 6d 70 or rpc this simp 0d40: 6c 79 20 72 65 74 75 72 6e 73 20 74 68 65 20 72 ly returns the r 0d50: 65 74 75 72 6e 20 64 61 74 61 20 74 6f 20 62 65 eturn data to be 0d60: 20 72 65 74 75 72 6e 65 64 0a 3b 3b 20 0a 28 64 returned.;; .(d 0d70: 65 66 69 6e 65 20 28 73 65 72 76 65 72 3a 72 65 efine (server:re 0d80: 70 6c 79 20 72 65 74 75 72 6e 2d 61 64 64 72 20 ply return-addr 0d90: 71 75 65 72 79 2d 73 69 67 20 73 75 63 63 65 73 query-sig succes 0da0: 73 2f 66 61 69 6c 20 72 65 73 75 6c 74 29 0a 20 s/fail result). 0db0: 20 28 64 65 62 75 67 3a 70 72 69 6e 74 2d 69 6e (debug:print-in 0dc0: 66 6f 20 31 31 20 22 73 65 72 76 65 72 3a 72 65 fo 11 "server:re 0dd0: 70 6c 79 20 72 65 74 75 72 6e 2d 61 64 64 72 3d ply return-addr= 0de0: 22 20 72 65 74 75 72 6e 2d 61 64 64 72 20 22 2c " return-addr ", 0df0: 20 72 65 73 75 6c 74 3d 22 20 72 65 73 75 6c 74 result=" result 0e00: 29 0a 20 20 3b 3b 20 28 73 65 6e 64 2d 6d 65 73 ). ;; (send-mes 0e10: 73 61 67 65 20 70 75 62 73 6f 63 6b 20 74 61 72 sage pubsock tar 0e20: 67 65 74 20 73 65 6e 64 2d 6d 6f 72 65 3a 20 23 get send-more: # 0e30: 74 29 0a 20 20 3b 3b 20 28 73 65 6e 64 2d 6d 65 t). ;; (send-me 0e40: 73 73 61 67 65 20 70 75 62 73 6f 63 6b 20 0a 20 ssage pubsock . 0e50: 20 28 63 61 73 65 20 2a 74 72 61 6e 73 70 6f 72 (case *transpor 0e60: 74 2d 74 79 70 65 2a 0a 20 20 20 20 28 28 66 73 t-type*. ((fs 0e70: 29 20 72 65 73 75 6c 74 29 0a 20 20 20 20 28 28 ) result). (( 0e80: 68 74 74 70 29 28 64 62 3a 6f 62 6a 2d 3e 73 74 http)(db:obj->st 0e90: 72 69 6e 67 20 28 76 65 63 74 6f 72 20 73 75 63 ring (vector suc 0ea0: 63 65 73 73 2f 66 61 69 6c 20 71 75 65 72 79 2d cess/fail query- 0eb0: 73 69 67 20 72 65 73 75 6c 74 29 29 29 0a 20 20 sig result))). 0ec0: 20 20 28 28 7a 6d 71 29 0a 20 20 20 20 20 28 6c ((zmq). (l 0ed0: 65 74 20 28 28 70 75 62 2d 73 6f 63 6b 65 74 20 et ((pub-socket 0ee0: 28 76 65 63 74 6f 72 2d 72 65 66 20 2a 72 75 6e (vector-ref *run 0ef0: 72 65 6d 6f 74 65 2a 20 31 29 29 29 0a 20 20 20 remote* 1))). 0f00: 20 20 20 20 28 73 65 6e 64 2d 6d 65 73 73 61 67 (send-messag 0f10: 65 20 70 75 62 2d 73 6f 63 6b 65 74 20 72 65 74 e pub-socket ret 0f20: 75 72 6e 2d 61 64 64 72 20 73 65 6e 64 2d 6d 6f urn-addr send-mo 0f30: 72 65 3a 20 23 74 29 0a 20 20 20 20 20 20 20 28 re: #t). ( 0f40: 73 65 6e 64 2d 6d 65 73 73 61 67 65 20 70 75 62 send-message pub 0f50: 2d 73 6f 63 6b 65 74 20 28 64 62 3a 6f 62 6a 2d -socket (db:obj- 0f60: 3e 73 74 72 69 6e 67 20 28 76 65 63 74 6f 72 20 >string (vector 0f70: 73 75 63 63 65 73 73 2f 66 61 69 6c 20 71 75 65 success/fail que 0f80: 72 79 2d 73 69 67 20 72 65 73 75 6c 74 29 29 29 ry-sig result))) 0f90: 29 29 0a 20 20 20 20 28 65 6c 73 65 20 0a 20 20 )). (else . 0fa0: 20 20 20 28 64 65 62 75 67 3a 70 72 69 6e 74 20 (debug:print 0fb0: 30 20 22 45 52 52 4f 52 3a 20 75 6e 72 65 63 6f 0 "ERROR: unreco 0fc0: 67 6e 69 73 65 64 20 74 72 61 6e 73 70 6f 72 74 gnised transport 0fd0: 20 74 79 70 65 3a 20 22 20 2a 74 72 61 6e 73 70 type: " *transp 0fe0: 6f 72 74 2d 74 79 70 65 2a 29 0a 20 20 20 20 20 ort-type*). 0ff0: 72 65 73 75 6c 74 29 29 29 0a 0a result)))..