[doldaconnect.git] / lib / guile / autodl

#!/usr/bin/guile -s
!#

(use-modules (dolcon ui))
(use-modules (ice-9 pretty-print))

(define sr '())
(define lastsearch 0)
(define info-searcheta 0)
(define info-numavail 0)
(define info-numreal 0)
(define info-numtotal 0)
(define lastparse 0)
(define srchid -1)
(define session '())
(define trans '())
(define dpeers '())
(define lastdl 0)

(define (logf msg)
  (write-line msg (current-output-port))
  (catch 'system-error (lambda ()
			 (fsync (current-output-port)))
	 (lambda (key . err) #f))
  )

(define (make-getopt opts optdesc)
  (let ((arg opts) (curpos 0) (rest '()))
    (lambda ()
      (if (eq? arg '()) rest
	  (let ((ret #f))
	    (while (not ret)
		   (if (= curpos 0)
		       (if (eq? (string-ref (car arg) 0) #\-)
			   (set! curpos 1)
			   (begin
			     (set! rest (append rest (list (car arg))))
			     (set! arg (cdr arg))
			     (if (eq? arg '())
				 (set! ret #t)))))
		   (if (> curpos 0)
		       (if (< curpos (string-length (car arg)))
			   (begin (set! ret (string-ref (car arg) curpos)) (set! curpos (+ curpos 1)))
			   (begin (set! curpos 0) (set! arg (cdr arg)) (if (eq? arg '()) (set! ret #t))))))
	    (if (eq? ret #t) rest
		(let ((opt (string-index optdesc ret)))
		  (if (eq? opt #f) (throw 'illegal-option ret)
		      (if (and (< opt (- (string-length optdesc) 1)) (eq? (string-ref optdesc (+ opt 1)) #\:))
			  (let ((ret
				 (cons ret (let ((optarg
						  (if (< curpos (string-length (car arg)))
						      (substring (car arg) curpos)
						      (begin (set! arg (cdr arg)) (if (eq? arg '()) (throw 'requires-argument ret)) (car arg)))))
					     (set! arg (cdr arg)) optarg))))
			    (set! curpos 0)
			    ret)
			  (list ret))))))))))

(define (ftime)
  (let ((ctime (gettimeofday)))
    (+ (car ctime) (/ (cdr ctime) 1000000))))

(define (wanttosearch)
  (> (- (current-time) lastsearch)
     (if (eq? (cdr (assoc 'search-mode session)) 'wait)
	 7200
	 (if (> (length trans) 0) 300 60)))
  )

(define defspeed '())
(let ((matchlist (list
		  (cons (make-regexp "^[][{}() ]*BBB" regexp/icase) 100000))))
  (set! defspeed
	(lambda (sr)
	  (catch 'ret
		 (lambda ()
		   (for-each (lambda (o)
			       (if (regexp-exec (car o) (cadr (cdr (assoc 'peer sr))))
				   (throw 'ret (cdr o))))
			     matchlist)
		   15000)
		 (lambda (sig ret)
		   ret))
	  )))

(define (sr-less? sr1 sr2)
  (let ((s1 (if (cdr (assoc 'speed sr1)) (cdr (assoc 'speed sr1)) (defspeed sr1)))
	(s2 (if (cdr (assoc 'speed sr2)) (cdr (assoc 'speed sr2)) (defspeed sr2))))
    (if (= s1 s2)
	(< (cdr (assoc 'resptime sr1)) (cdr (assoc 'resptime sr2)))
	(> s1 s2)))
  )

(define (srg-less? g1 g2)
  (or (> (length (cdr g1)) (length (cdr g2)))
      (and (= (length (cdr g1)) (length (cdr g2)))
	   (> (car g1) (car g2))))
  )

(define (gettrbysize size)
  (catch 'ret
	 (lambda ()
	   (for-each (lambda (o)
		       (if (= (cdr (assoc 'size (cdr o))) size)
			   (throw 'ret (cdr o))))
		     trans)
	   #f)
	 (lambda (sig ret)
	   ret))
  )

(define (download sr)
  (let ((resp #f))
    (let ((args (list "download"
		      (car (cdr (assoc 'peer sr)))
		      (cadr (cdr (assoc 'peer sr)))
		      (cdr (assoc 'filename sr))
		      (cdr (assoc 'size sr)))))
      (let ((hash (assoc 'hash sr)))
	(if (and hash (not (equal? (cdr hash) ""))) (set! args (append args (list "hash" (cdr hash))))))
      (let ((tag (assoc 'tag session)))
	(if tag (set! args (append args (list "tag" (cdr tag))))))
      (let ((uarg (assoc 'uarg session)))
	(if uarg (set! args (append args (list "user" (cdr uarg))))))
      (let ((xargs (assoc 'xargs session)))
	(if xargs (for-each (lambda (o)
			      (set! args (append args (list (car o) (cdr o)))))
			   (cdr xargs))))
      (set! resp (apply dc-ecmd-assert 200 args)))
    (let ((id (car (dc-intresp resp))))
      (set! trans
	    (cons (cons id (list (assoc 'size sr)
				 (assoc 'peer sr)
				 (assoc 'filename sr)
				 (assoc 'resptime sr)
				 '(curpos . 0)
				 '(state . wait)
				 '(curspeed . #f)
				 '(lastpos . 0)
				 (cons 'id id)
				 (cons 'lasttime (current-time))
				 (cons 'lastprog (current-time))))
		  trans))
      (logf (string-append "downloading "
			   (cdr (assoc 'filename sr))
			   " from "
			   (cadr (cdr (assoc 'peer sr)))
			   ", "
			   (number->string (cdr (assoc 'size sr)))
			   " bytes (id "
			   (number->string id)
			   ", "
			   (number->string (cdr (assoc 'slots sr)))
			   " slots), timing out in "
			   (number->string (max 10 (* (cdr (assoc 'resptime sr)) 2)))
			   " seconds"))))
  (set! lastdl (current-time))
  )

(define (disablepeer peer)
  (let ((newglist '()) (numrem 0))
    (for-each (lambda (g)
		(let ((newlist '()))
		  (for-each (lambda (o)
			      (if (not (equal? (cdr (assoc 'peer o)) peer))
				  (set! newlist (cons o newlist))
				  (set! numrem (+ numrem 1))))
			    (cdr g))
		  (if (not (eq? newlist '()))
		      (set! newglist (cons (cons (car g) (sort newlist sr-less?)) newglist)))))
	      sr)
    (set! sr (sort newglist srg-less?))
    (logf (string-append "disabled " (cadr peer) " and removed " (number->string numrem) " search results")))
  (let* ((dpa (assoc peer dpeers)) (dp (and (pair? dpa) (cdr dpa))))
    (if dp
	(set-cdr! (assoc 'time dp) (current-time))
	(set! dpeers (cons (cons peer (list (cons 'time (current-time))
					    (cons 'peer peer)))
			   dpeers))))
  )

(define (checktrans)
  (let ((time (current-time)))
    (for-each (lambda (o)
		(if (and (memq (cdr (assoc 'state (cdr o))) '(wait hs))
			 (> (- time (cdr (assoc 'lastprog (cdr o)))) (max 10 (* (cdr (assoc 'resptime (cdr o))) 2))))
		    (begin (logf (string-append "transfer " (number->string (car o)) " timing out"))
			   (dc-ecmd-assert 200 "cancel" (car o))
			   (disablepeer (cdr (assoc 'peer (cdr o))))
			   (set! trans (assq-remove! trans (car o)))
			   (write-info-file)))
		(if (and (eq? (cdr (assoc 'state (cdr o))) 'main)
			 (> (- time (cdr (assoc 'lastprog (cdr o)))) 60))
		    (begin (logf (string-append "transfer " (number->string (car o)) " seems to have stalled"))
			   (dc-ecmd-assert 200 "cancel" (car o))
			   (set! trans (assq-remove! trans (car o)))
			   (write-info-file)))
		(if (and (eq? (cdr (assoc 'state (cdr o))) 'main)
			 (> (- (cdr (assoc 'lastprog (cdr o))) (cdr (assoc 'lasttime (cdr o)))) 20))
		    (begin (set-cdr! (assoc 'curspeed (cdr o))
				     (/ (- (cdr (assoc 'curpos (cdr o))) (cdr (assoc 'lastpos (cdr o))))
					(- (cdr (assoc 'lastprog (cdr o))) (cdr (assoc 'lasttime (cdr o))))))
			   (set-cdr! (assoc 'lastpos (cdr o)) (cdr (assoc 'curpos (cdr o))))
			   (set-cdr! (assoc 'lasttime (cdr o)) (cdr (assoc 'lastprog (cdr o))))
			   (write-info-file))))
		trans))
  )

(define (write-info-file)
  (if (assoc 'info-file session)
      (let ((op (open-output-file (cdr (assoc 'info-file session)))))
	(pretty-print (list (cons 'numdl (length trans))
			    (cons 'lastdl lastdl)
			    (cons 'availsr info-numavail)
			    (cons 'realsr info-numreal)
			    (cons 'totalsr info-numtotal)
			    (cons 'lastsrch lastsearch)
			    (cons 'srcheta info-searcheta)
			    (cons 'srchmode (cdr (assoc 'search-mode session))))
		      op)
	(close-port op))))

(define (parseresults)
  (logf (string-append "entering parseresults with "
		       (number->string
			(apply + (map (lambda (o) (length (cdr o))) sr)))
		       " results in "
		       (number->string (length sr))
		       " sizes"))
  (let ((retval #t) (numreal 0) (numtotal 0) (numavail 0))
    (catch 'ret
	   (lambda ()
	     (and (eq? sr '()) (throw 'ret #f))
	     (let ((numrem 0) (countrem 0) (newglist '()))
	       (for-each (lambda (g)
			   (let ((newlist '()))
			     (for-each (lambda (o)
					 (if (< (- (current-time) (cdr (assoc 'recvtime o))) 300)
					     (set! newlist (cons o newlist))
					     (set! countrem (+ countrem 1))))
				       (cdr g))
			     (if (> (length newlist) 0)
				 (set! newglist (cons (cons (car g) (sort newlist sr-less?)) newglist))
				 (set! numrem (+ numrem 1)))))
			 sr)
	       (set! sr (sort newglist srg-less?))
	       (if (> countrem 0)
		   (logf (string-append "removed " (number->string countrem) " time-outed results and " (number->string numrem) " entire sizes"))))
	     (let ((numrem 0) (newlist '()))
	       (for-each (lambda (o)
			   (if (> (- (current-time) (cdr (assoc 'time o))) 1800)
			       (set! numrem (+ numrem 1))
			       (set! newlist (cons o newlist))))
			 dpeers)
	       (set! dpeers newlist)
	       (logf (string-append "re-enabled " (number->string numrem) " disabled users")))
	     (let ((numrem 0) (countrem 0) (newglist '()))
	       (for-each (lambda (g)
			   (let ((newlist '()))
			     (for-each (lambda (o)
					 (if (not (assoc (cdr (assoc 'peer o)) dpeers))
					     (set! newlist (cons o newlist))
					     (set! countrem (+ countrem 1))))
				       (cdr g))
			     (if (> (length newlist) 0)
				 (set! newglist (cons (cons (car g) (sort newlist sr-less?)) newglist))
				 (set! numrem (+ numrem 1)))))
			 sr)
	       (set! sr (sort newglist srg-less?))
	       (if (> countrem 0)
		   (logf (string-append "removed " (number->string countrem) " results with disabled peers and " (number->string numrem) " entire sizes"))))
	     (and (eq? sr '()) (throw 'ret #f))
	     (set! numtotal (apply + (map (lambda (o) (length (cdr o))) sr)))
	     (let* ((maxsize (apply max (map (lambda (o) (length (cdr o))) sr)))
		    (minsize (/ maxsize 3)))
	       (let ((numrem 0) (countrem 0))
		 (for-each (lambda (o) (if (< (length (cdr o)) minsize)
					   (begin (set! countrem (+ countrem (length (cdr o))))
						  (set! numrem (+ numrem 1)))))
			   sr)
		 (if (> countrem 0)
		     (logf (string-append "will disregard " (number->string countrem) " results from " (number->string numrem) " sizes due to popularity lack")))
		 (set! numreal (- numtotal countrem)))
	       (let ((numrem 0) (numrrem 0))
		 (for-each (lambda (g)
			     (for-each (lambda (o)
					 (if (< (cdr (assoc 'slots o)) 1)
					     (begin (set! numrem (+ numrem 1))
						    (if (>= (length (cdr g)) minsize)
							(set! numrrem (+ numrrem 1))))))
				       (cdr g)))
			   sr)
		 (if (> numrem 0)
		     (logf (string-append (number->string numrem) " results had no slots")))
		 (set! numavail (- numreal numrrem)))
	       (for-each (lambda (g)
			   (if (>= (length (cdr g)) minsize)
			       (catch 'found
				      (lambda ()
					(for-each (lambda (o)
						    (and (> (cdr (assoc 'slots o)) 0)
							 (throw 'found o)))
						  (cdr g)))
				      (lambda (sig sr)
					(let ((tr (gettrbysize (cdr (assoc 'size sr)))))
					  (if (not tr)
					      (if (< (length trans) (cdr (assoc 'maxtrans session)))
						  (download sr))
					      (if (and (cdr (assoc 'curspeed tr))
						       (not (equal? (cdr (assoc 'peer sr)) (cdr (assoc 'peer tr))))
						       (> (- (or (cdr (assoc 'speed sr)) (defspeed sr)) (cdr (assoc 'curspeed tr))) 10000))
						  (begin (logf (string-append "abandoning transfer "
									      (number->string (cdr (assoc 'id tr)))
									      " for possible faster sender"))
							 (dc-ecmd-assert 200 "cancel" (cdr (assoc 'id tr)))
							 (set! trans (assq-remove! trans (cdr (assoc 'id tr))))
							 (download sr)))))))))
			 sr)
	       )
	     )
	   (lambda (sig ret)
	     (set! retval ret)
	     ))
    (set! info-numavail numavail)
    (set! info-numreal numreal)
    (set! info-numtotal numtotal)
    (write-info-file)
    retval)
  )

(define (handlesr filename fnet peer size slots resptime hash)
  (if (eq? (cdr (assoc 'search-mode session)) 'wait)
      (begin (set-cdr! (assoc 'search-mode session) 'normal)
	     (logf "reverting to normal mode")))
  (let ((cl (or (assoc size sr)
		(let ((newp (cons size '()))) (set! sr (append sr (list newp))) newp)))
	(newsr (list
		(cons 'filename filename)
		(cons 'peer (list fnet peer))
		(cons 'size size)
		(cons 'slots slots)
		(cons 'resptime resptime)
		(cons 'speed (getspeed peer))
		(cons 'hash hash)
		(cons 'recvtime (current-time))
		(cons 'dis #f)))
	(newlist '()))
    (for-each (lambda (o) (if (not (and (equal? (cdr (assoc 'filename o)) filename)
					(equal? (cdr (assoc 'peer o)) (list fnet peer))))
			      (set! newlist (cons o newlist))))
	      (cdr cl))
    (set-cdr! cl (sort (cons newsr newlist) sr-less?))
    )
  )

; XXX: Redefine to go through the server, once that is implemented
(define (getspeed username)
  (catch 'system-error
	 (lambda ()
	   (let* ((port (open-input-file (string-append (getenv "HOME") "/dc/users/" username))) (avg 0) (numdls (string->number (read-line port))) (max (string->number (read-line port))) (numents (string->number (read-line port))))
	     (do ((i 0 (+ i 1))) ((= i numents) (close-port port) (/ avg numents)) (set! avg (+ avg (string->number (read-line port)))))
	   ))
	 (lambda args
	   #f
	   )
	 )
  )

(define (validate-session session)
  (catch 'wrong-type-arg
	 (lambda ()
	   (and
	    (assoc 'sexpr session)
	    (assoc 'prio session)
	    (assoc 'maxtrans session)
	    #t
	    )
	   )
	 (lambda (key . args)
	   (display "Session data is not an a-list\n" (current-error-port))
	   #f)
	 )
  )

(define (autodl-main args)
  (let ((dc-server #f) (done #f) (retval 0) (filterexit ""))
    (let ((getopt (make-getopt (cdr args) "whs:S:e:p:t:a:I:E:x:")) (arg #f))
      (do ((arg (getopt) (getopt))) ((not (and (pair? arg) (char? (car arg)))) (set! args arg))
	(cond ((eq? (car arg) #\h)
	       (begin (display "usage: autodl [-s server] -S sessfile\n" (current-error-port))
		      (display "       autodl [-w] [-s server] -e search-expression [-p prio] [-t tag] [-a userarg]\n" (current-error-port))
		      (display "       autodl [-s server]\n" (current-error-port))
		      (display "       autodl -h\n" (current-error-port))
		      (exit 0)))
	      ((eq? (car arg) #\s)
	       (set! dc-server (cdr arg)))
	      ((eq? (car arg) #\S)
	       (let ((port (open-file (cdr arg)))) (set! session (read port)) (close-port port)))
	      ((eq? (car arg) #\p)
	       (let ((c (assoc 'prio session)))
		 (if c (set-cdr! c (cdr arg))
		     (set! session (cons (cons 'prio (cdr arg)) session)))))
	      ((eq? (car arg) #\t)
	       (let ((c (assoc 'tag session)))
		 (if c (set-cdr! c (cdr arg))
		     (set! session (cons (cons 'tag (cdr arg)) session)))))
	      ((eq? (car arg) #\a)
	       (let ((c (assoc 'uarg session)))
		 (if c (set-cdr! c (cdr arg))
		     (set! session (cons (cons 'uarg (cdr arg)) session)))))
	      ((eq? (car arg) #\I)
	       (let ((c (assoc 'info-file session)))
		 (if c (set-cdr! c (cdr arg))
		     (set! session (cons (cons 'info-file (cdr arg)) session)))))
	      ((eq? (car arg) #\E)
	       (let ((c (assoc 'estat-file session)))
		 (if c (set-cdr! c (cdr arg))
		     (set! session (cons (cons 'estat-file (cdr arg)) session)))))
	      ((eq? (car arg) #\e)
	       (set! session (cons (cons 'sexpr (dc-lexsexpr (cdr arg))) session)))
	      ((eq? (car arg) #\w)
	       (set! session (cons '(search-mode . wait) session)))
	      ((eq? (car arg) #\x)
	       (let* ((c (assoc 'xargs session)) (p (string-index (cdr arg) #\=))
		      (recons (cons (substring (cdr arg) 0 p) (substring (cdr arg) (1+ p)))))
		 (if c (set-cdr! c (cons recons (cdr c)))
		     (set! session (cons (cons 'xargs (list recons)) session)))))
	      )
	)
      )
    (if (eq? session '()) (begin (if (isatty? (current-input-port)) (display "Enter session data (s-expr):\n" (current-error-port))) (set! session (read))))
    (if (not (assoc 'prio session))
	(set! session (cons '(prio . 10) session)))
    (if (not (assoc 'maxtrans session))
	(set! session (cons '(maxtrans . 1) session)))
    (if (not (assoc 'search-mode session))
	(set! session (cons '(search-mode . normal) session)))
    (if (not (validate-session session)) (begin (display "Invalid session!\n" (current-error-port)) (exit 1)))
    (if (not dc-server) (set! dc-server (getenv "DCSERVER")))
    (if (not dc-server) (set! dc-server "localhost"))
    (catch 'system-error
	   (lambda ()
	     (dc-c&l #t dc-server #t))
	   (lambda (key . args)
	     (logf (string-append "could not connect to server: " (apply format #f (cadr args) (caddr args))))
	     (exit 2)))
    (dc-ecmd-assert 200 "notify" "trans:act" "on" "trans:prog" "on" "srch:act" "on")
    (for-each (lambda (sig) (sigaction sig (lambda (sig) (throw 'sig sig)))) (list SIGINT SIGTERM SIGHUP))
    (catch 'sig
	   (lambda ()
	     (while #t
		    (if (and (not (= lastsearch -1)) (wanttosearch))
			(begin
			  (if (not (= srchid -1))
			      (dc-ecmd "cansrch" srchid))
			  (let* ((resp (apply dc-ecmd-assert (append (list '(200 501 509) "search" "prio" (number->string (cdr (assoc 'prio session))) "all") (cdr (assoc 'sexpr session)))))
				 (ires (dc-intresp resp))
				 (eres (dc-extract resp)))
			    (case (cdr (assoc 'code eres))
			      ((200)
			       (begin (set! srchid (car ires))
				      (logf (string-append "search scheduled in " (number->string (cadr ires)) " seconds (id " (number->string srchid) ")"))
				      (set! info-searcheta (+ (current-time) (cadr ires)))
				      (set! lastsearch -1)
				      (write-info-file)))
			      ((501)
			       (begin (set! srchid -1)
				      (logf (string-append "no fnetnodes available to search on"))
				      (set! lastsearch (current-time))))
			      ((509)
			       (begin (logf "illegal search expression")
				      (set! done #t)
				      (set! retval 3)
				      (throw 'sig 0)))))))
		    (checktrans)
		    (if (> (- (current-time) lastparse) 20)
			(begin (parseresults)
			       (set! lastparse (current-time))))
		    (dc-select 10000)
		    (while (let ((resp (dc-getresp)))
			     (if resp
				 (begin
				   (let* ((er (dc-extract resp)) (code (cdr (assoc 'code er))) (cmd (cdr (assoc 'cmd er))))
				     (cond
				       ((equal? cmd ".notify")
					(case code
					  ((611) ; Transfer state change
					   (let ((ires (dc-intresp resp)) (tr #f))
					     (if (and ires (assoc (car ires) trans))
						 (begin (set! tr (cdr (assoc (car ires) trans)))
							(set-cdr! (assoc 'state tr)
								  (cdr (assoc (cadr ires) '((0 . wait) (1 . hs) (2 . main) (3 . done)))))
							(set-cdr! (assoc 'lastprog tr) (current-time))))))
					  ((614) ; Transfer error
					   (let ((ires (dc-intresp resp)))
					     (if (and ires (assoc (car ires) trans))
						 (begin (logf (string-append "transfer " (number->string (car ires)) " encountered error " (number->string (cadr ires))))
							(dc-ecmd-assert 200 "cancel" (car ires))
							(let ((tr (cdr (assoc (car ires) trans))))
							  (disablepeer (cdr (assoc 'peer tr))))
							(set! trans (assq-remove! trans (car ires)))))))
					  ((615) ; Transfer progress
					   (let ((ires (dc-intresp resp)) (tr #f))
					     (if (and ires (assoc (car ires) trans))
						 (begin (set! tr (cdr (assoc (car ires) trans)))
							(set-cdr! (assoc 'curpos tr) (cadr ires))
							(set-cdr! (assoc 'lastprog tr) (current-time))))))
					  ((617) ; Transfer destroyed
					   (let* ((ires (dc-intresp resp)) (tr (and ires (assoc (car ires) trans))))
					     (if tr
						 (begin (if (eq? (cdr (assoc 'state (cdr tr))) 'done)
							    (begin (logf (string-append "transfer " (number->string (car ires)) " done (" (cadr ires) ")"))
								   (set! trans (assq-remove! trans (car ires)))
								   (set! done #t)
								   (set! filterexit (cadr ires))
								   (throw 'sig 0))
							    (begin (logf (string-append "transfer " (number->string (car ires)) " disappeared"))
								   (set! trans (assq-remove! trans (car ires)))))))))
					  ((620) ; Search rescheduled
					   (let ((ires (dc-intresp resp)))
					     (if (and ires (= (car ires) srchid))
						 (begin (set! info-searcheta (+ (current-time) (cadr ires)))
							(logf (string-append "search rescheduled to T+" (number->string (cadr ires))))
							(write-info-file)))))
					  ((621) ; Search committed
					   (let ((ires (dc-intresp resp)))
					     (if (and ires (= (car ires) srchid))
						 (begin (logf "search committed")
							(set! info-searcheta 0)
							(set! lastsearch (current-time))
							(write-info-file)))))
					  ((622) ; Search result
					   (let ((ires (list->vector (dc-intresp resp))))
					     (if (and ires (= (vector-ref ires 0) srchid)) (apply handlesr (map (lambda (n) (vector-ref ires n)) '(1 2 3 4 5 7 8))))))
					  
					  )
					)
				       
				       )
				     )
				   #t)
				 #f)
			     )
			   #t
			   )
		    )
	     )
	   (lambda (key sig)
	     (logf (string-append "interrupted by signal " (number->string sig)))
	     (if (not done)
		 (set! retval 1)))
	   )
    (logf "quitting...")
    (catch 'sig
	   (lambda ()
	     (if (dc-connected)
		 (begin (for-each (lambda (o)
				    (dc-qcmd (list "cancel" (car o))))
				  trans)
			(if (assoc 'info-file session)
			    (catch 'system-error
				   (lambda ()
				     (delete-file (cdr (assoc 'info-file session))))
				   (lambda (key . args) #t)))
			(if (and done (assoc 'tag session))
			    (dc-qcmd (list "filtercmd" "rmtag" (cdr (assoc 'tag session)))))
			(if (not (= srchid -1))
			    (dc-qcmd (list "cansrch" srchid)))
			(dc-qcmd '("quit"))
			(while (dc-connected) (dc-select))
			)))
	   (lambda (key sig)
	     (logf "forcing quit")))
    (if (assoc 'estat-file session)
	(let ((op (open-output-file (cdr (assoc 'estat-file session)))))
	  (display filterexit op)
	  (newline op)
	  (close-port op)))
    (exit retval)
    )
  )

(setlocale LC_ALL "")
(autodl-main (command-line))
Commit	Line	Data
d3372da9	1	#!/usr/bin/guile -s
	2	!#
	3
	4	(use-modules (dolcon ui))
	5	(use-modules (ice-9 pretty-print))
	6
	7	(define sr '())
	8	(define lastsearch 0)
	9	(define info-searcheta 0)
	10	(define info-numavail 0)
	11	(define info-numreal 0)
	12	(define info-numtotal 0)
	13	(define lastparse 0)
	14	(define srchid -1)
	15	(define session '())
	16	(define trans '())
	17	(define dpeers '())
	18	(define lastdl 0)
	19
	20	(define (logf msg)
	21	(write-line msg (current-output-port))
	22	(catch 'system-error (lambda ()
	23	(fsync (current-output-port)))
	24	(lambda (key . err) #f))
	25	)
	26
	27	(define (make-getopt opts optdesc)
	28	(let ((arg opts) (curpos 0) (rest '()))
	29	(lambda ()
	30	(if (eq? arg '()) rest
	31	(let ((ret #f))
	32	(while (not ret)
	33	(if (= curpos 0)
	34	(if (eq? (string-ref (car arg) 0) #\-)
	35	(set! curpos 1)
	36	(begin
	37	(set! rest (append rest (list (car arg))))
	38	(set! arg (cdr arg))
	39	(if (eq? arg '())
	40	(set! ret #t)))))
	41	(if (> curpos 0)
	42	(if (< curpos (string-length (car arg)))
	43	(begin (set! ret (string-ref (car arg) curpos)) (set! curpos (+ curpos 1)))
	44	(begin (set! curpos 0) (set! arg (cdr arg)) (if (eq? arg '()) (set! ret #t))))))
	45	(if (eq? ret #t) rest
	46	(let ((opt (string-index optdesc ret)))
	47	(if (eq? opt #f) (throw 'illegal-option ret)
	48	(if (and (< opt (- (string-length optdesc) 1)) (eq? (string-ref optdesc (+ opt 1)) #\:))
	49	(let ((ret
	50	(cons ret (let ((optarg
	51	(if (< curpos (string-length (car arg)))
	52	(substring (car arg) curpos)
	53	(begin (set! arg (cdr arg)) (if (eq? arg '()) (throw 'requires-argument ret)) (car arg)))))
	54	(set! arg (cdr arg)) optarg))))
	55	(set! curpos 0)
	56	ret)
	57	(list ret))))))))))
	58
	59	(define (ftime)
	60	(let ((ctime (gettimeofday)))
	61	(+ (car ctime) (/ (cdr ctime) 1000000))))
	62
	63	(define (wanttosearch)
	64	(> (- (current-time) lastsearch)
d30cc4bc	65	(if (eq? (cdr (assoc 'search-mode session)) 'wait)
	66	7200
	67	(if (> (length trans) 0) 300 60)))
d3372da9	68	)
	69
	70	(define defspeed '())
	71	(let ((matchlist (list
	72	(cons (make-regexp "^[][{}() ]*BBB" regexp/icase) 100000))))
	73	(set! defspeed
	74	(lambda (sr)
	75	(catch 'ret
	76	(lambda ()
	77	(for-each (lambda (o)
	78	(if (regexp-exec (car o) (cadr (cdr (assoc 'peer sr))))
	79	(throw 'ret (cdr o))))
	80	matchlist)
	81	15000)
	82	(lambda (sig ret)
	83	ret))
	84	)))
	85
	86	(define (sr-less? sr1 sr2)
	87	(let ((s1 (if (cdr (assoc 'speed sr1)) (cdr (assoc 'speed sr1)) (defspeed sr1)))
	88	(s2 (if (cdr (assoc 'speed sr2)) (cdr (assoc 'speed sr2)) (defspeed sr2))))
	89	(if (= s1 s2)
	90	(< (cdr (assoc 'resptime sr1)) (cdr (assoc 'resptime sr2)))
	91	(> s1 s2)))
	92	)
	93
	94	(define (srg-less? g1 g2)
	95	(or (> (length (cdr g1)) (length (cdr g2)))
	96	(and (= (length (cdr g1)) (length (cdr g2)))
	97	(> (car g1) (car g2))))
	98	)
	99
	100	(define (gettrbysize size)
	101	(catch 'ret
	102	(lambda ()
	103	(for-each (lambda (o)
	104	(if (= (cdr (assoc 'size (cdr o))) size)
	105	(throw 'ret (cdr o))))
	106	trans)
	107	#f)
	108	(lambda (sig ret)
	109	ret))
	110	)
	111
	112	(define (download sr)
	113	(let ((resp #f))
	114	(let ((args (list "download"
	115	(car (cdr (assoc 'peer sr)))
	116	(cadr (cdr (assoc 'peer sr)))
	117	(cdr (assoc 'filename sr))
	118	(cdr (assoc 'size sr)))))
3b0de0fd	119	(let ((hash (assoc 'hash sr)))
3b0de0fd	120	(if (and hash (not (equal? (cdr hash) ""))) (set! args (append args (list "hash" (cdr hash))))))
d3372da9	121	(let ((tag (assoc 'tag session)))
	122	(if tag (set! args (append args (list "tag" (cdr tag))))))
	123	(let ((uarg (assoc 'uarg session)))
	124	(if uarg (set! args (append args (list "user" (cdr uarg))))))
e838f46b	125	(let ((xargs (assoc 'xargs session)))
	126	(if xargs (for-each (lambda (o)
	127	(set! args (append args (list (car o) (cdr o)))))
	128	(cdr xargs))))
d3372da9	129	(set! resp (apply dc-ecmd-assert 200 args)))
	130	(let ((id (car (dc-intresp resp))))
	131	(set! trans
	132	(cons (cons id (list (assoc 'size sr)
	133	(assoc 'peer sr)
	134	(assoc 'filename sr)
	135	(assoc 'resptime sr)
	136	'(curpos . 0)
	137	'(state . wait)
	138	'(curspeed . #f)
	139	'(lastpos . 0)
	140	(cons 'id id)
	141	(cons 'lasttime (current-time))
	142	(cons 'lastprog (current-time))))
	143	trans))
	144	(logf (string-append "downloading "
	145	(cdr (assoc 'filename sr))
	146	" from "
	147	(cadr (cdr (assoc 'peer sr)))
	148	", "
	149	(number->string (cdr (assoc 'size sr)))
	150	" bytes (id "
	151	(number->string id)
	152	", "
	153	(number->string (cdr (assoc 'slots sr)))
	154	" slots), timing out in "
	155	(number->string (max 10 (* (cdr (assoc 'resptime sr)) 2)))
	156	" seconds"))))
	157	(set! lastdl (current-time))
	158	)
	159
	160	(define (disablepeer peer)
	161	(let ((newglist '()) (numrem 0))
	162	(for-each (lambda (g)
	163	(let ((newlist '()))
	164	(for-each (lambda (o)
	165	(if (not (equal? (cdr (assoc 'peer o)) peer))
	166	(set! newlist (cons o newlist))
	167	(set! numrem (+ numrem 1))))
	168	(cdr g))
	169	(if (not (eq? newlist '()))
	170	(set! newglist (cons (cons (car g) (sort newlist sr-less?)) newglist)))))
	171	sr)
	172	(set! sr (sort newglist srg-less?))
	173	(logf (string-append "disabled " (cadr peer) " and removed " (number->string numrem) " search results")))
	174	(let* ((dpa (assoc peer dpeers)) (dp (and (pair? dpa) (cdr dpa))))
	175	(if dp
	176	(set-cdr! (assoc 'time dp) (current-time))
	177	(set! dpeers (cons (cons peer (list (cons 'time (current-time))
	178	(cons 'peer peer)))
	179	dpeers))))
	180	)
	181
	182	(define (checktrans)
	183	(let ((time (current-time)))
	184	(for-each (lambda (o)
	185	(if (and (memq (cdr (assoc 'state (cdr o))) '(wait hs))
	186	(> (- time (cdr (assoc 'lastprog (cdr o)))) (max 10 (* (cdr (assoc 'resptime (cdr o))) 2))))
	187	(begin (logf (string-append "transfer " (number->string (car o)) " timing out"))
	188	(dc-ecmd-assert 200 "cancel" (car o))
	189	(disablepeer (cdr (assoc 'peer (cdr o))))
ecd6e23d	190	(set! trans (assq-remove! trans (car o)))
ecd6e23d	191	(write-info-file)))
d3372da9	192	(if (and (eq? (cdr (assoc 'state (cdr o))) 'main)
	193	(> (- time (cdr (assoc 'lastprog (cdr o)))) 60))
	194	(begin (logf (string-append "transfer " (number->string (car o)) " seems to have stalled"))
	195	(dc-ecmd-assert 200 "cancel" (car o))
ecd6e23d	196	(set! trans (assq-remove! trans (car o)))
ecd6e23d	197	(write-info-file)))
d3372da9	198	(if (and (eq? (cdr (assoc 'state (cdr o))) 'main)
	199	(> (- (cdr (assoc 'lastprog (cdr o))) (cdr (assoc 'lasttime (cdr o)))) 20))
	200	(begin (set-cdr! (assoc 'curspeed (cdr o))
	201	(/ (- (cdr (assoc 'curpos (cdr o))) (cdr (assoc 'lastpos (cdr o))))
	202	(- (cdr (assoc 'lastprog (cdr o))) (cdr (assoc 'lasttime (cdr o))))))
	203	(set-cdr! (assoc 'lastpos (cdr o)) (cdr (assoc 'curpos (cdr o))))
ecd6e23d	204	(set-cdr! (assoc 'lasttime (cdr o)) (cdr (assoc 'lastprog (cdr o))))
ecd6e23d	205	(write-info-file))))
d3372da9	206	trans))
	207	)
	208
	209	(define (write-info-file)
	210	(if (assoc 'info-file session)
	211	(let ((op (open-output-file (cdr (assoc 'info-file session)))))
d576878b	212	(pretty-print (list (cons 'numdl (length trans))
	213	(cons 'lastdl lastdl)
	214	(cons 'availsr info-numavail)
	215	(cons 'realsr info-numreal)
	216	(cons 'totalsr info-numtotal)
	217	(cons 'lastsrch lastsearch)
	218	(cons 'srcheta info-searcheta)
	219	(cons 'srchmode (cdr (assoc 'search-mode session))))
	220	op)
d3372da9	221	(close-port op))))
	222
	223	(define (parseresults)
	224	(logf (string-append "entering parseresults with "
	225	(number->string
	226	(apply + (map (lambda (o) (length (cdr o))) sr)))
	227	" results in "
	228	(number->string (length sr))
	229	" sizes"))
	230	(let ((retval #t) (numreal 0) (numtotal 0) (numavail 0))
	231	(catch 'ret
	232	(lambda ()
	233	(and (eq? sr '()) (throw 'ret #f))
	234	(let ((numrem 0) (countrem 0) (newglist '()))
	235	(for-each (lambda (g)
	236	(let ((newlist '()))
	237	(for-each (lambda (o)
	238	(if (< (- (current-time) (cdr (assoc 'recvtime o))) 300)
	239	(set! newlist (cons o newlist))
	240	(set! countrem (+ countrem 1))))
	241	(cdr g))
	242	(if (> (length newlist) 0)
	243	(set! newglist (cons (cons (car g) (sort newlist sr-less?)) newglist))
	244	(set! numrem (+ numrem 1)))))
	245	sr)
	246	(set! sr (sort newglist srg-less?))
	247	(if (> countrem 0)
	248	(logf (string-append "removed " (number->string countrem) " time-outed results and " (number->string numrem) " entire sizes"))))
	249	(let ((numrem 0) (newlist '()))
	250	(for-each (lambda (o)
	251	(if (> (- (current-time) (cdr (assoc 'time o))) 1800)
	252	(set! numrem (+ numrem 1))
	253	(set! newlist (cons o newlist))))
	254	dpeers)
	255	(set! dpeers newlist)
	256	(logf (string-append "re-enabled " (number->string numrem) " disabled users")))
	257	(let ((numrem 0) (countrem 0) (newglist '()))
	258	(for-each (lambda (g)
	259	(let ((newlist '()))
	260	(for-each (lambda (o)
	261	(if (not (assoc (cdr (assoc 'peer o)) dpeers))
	262	(set! newlist (cons o newlist))
	263	(set! countrem (+ countrem 1))))
	264	(cdr g))
	265	(if (> (length newlist) 0)
	266	(set! newglist (cons (cons (car g) (sort newlist sr-less?)) newglist))
	267	(set! numrem (+ numrem 1)))))
	268	sr)
	269	(set! sr (sort newglist srg-less?))
	270	(if (> countrem 0)
	271	(logf (string-append "removed " (number->string countrem) " results with disabled peers and " (number->string numrem) " entire sizes"))))
	272	(and (eq? sr '()) (throw 'ret #f))
	273	(set! numtotal (apply + (map (lambda (o) (length (cdr o))) sr)))
	274	(let* ((maxsize (apply max (map (lambda (o) (length (cdr o))) sr)))
	275	(minsize (/ maxsize 3)))
	276	(let ((numrem 0) (countrem 0))
	277	(for-each (lambda (o) (if (< (length (cdr o)) minsize)
	278	(begin (set! countrem (+ countrem (length (cdr o))))
	279	(set! numrem (+ numrem 1)))))
	280	sr)
	281	(if (> countrem 0)
	282	(logf (string-append "will disregard " (number->string countrem) " results from " (number->string numrem) " sizes due to popularity lack")))
	283	(set! numreal (- numtotal countrem)))
	284	(let ((numrem 0) (numrrem 0))
285	(for-each (lambda (g)
286	(for-each (lambda (o)
287	(if (< (cdr (assoc 'slots o)) 1)
288	(begin (set! numrem (+ numrem 1))
289	(if (>= (length (cdr g)) minsize)
290	(set! numrrem (+ numrrem 1))))))
291	(cdr g)))
292	sr)
293	(if (> numrem 0)
294	(logf (string-append (number->string numrem) " results had no slots")))
295	(set! numavail (- numreal numrrem)))
296	(for-each (lambda (g)
297	(if (>= (length (cdr g)) minsize)
298	(catch 'found
299	(lambda ()
300	(for-each (lambda (o)
301	(and (> (cdr (assoc 'slots o)) 0)
302	(throw 'found o)))
303	(cdr g)))
304	(lambda (sig sr)
305	(let ((tr (gettrbysize (cdr (assoc 'size sr)))))
306	(if (not tr)
307	(if (< (length trans) (cdr (assoc 'maxtrans session)))
308	(download sr))
309	(if (and (cdr (assoc 'curspeed tr))
310	(not (equal? (cdr (assoc 'peer sr)) (cdr (assoc 'peer tr))))
311	(> (- (or (cdr (assoc 'speed sr)) (defspeed sr)) (cdr (assoc 'curspeed tr))) 10000))
312	(begin (logf (string-append "abandoning transfer "
313	(number->string (cdr (assoc 'id tr)))
314	" for possible faster sender"))
315	(dc-ecmd-assert 200 "cancel" (cdr (assoc 'id tr)))
316	(set! trans (assq-remove! trans (cdr (assoc 'id tr))))
317	(download sr)))))))))
318	sr)
319	)
320	)
321	(lambda (sig ret)
322	(set! retval ret)
323	))
324	(set! info-numavail numavail)
325	(set! info-numreal numreal)
326	(set! info-numtotal numtotal)
ecd6e23d	327	(write-info-file)
d3372da9	328	retval)
	329	)
	330
3b0de0fd	331	(define (handlesr filename fnet peer size slots resptime hash)
2bb57f49	332	(if (eq? (cdr (assoc 'search-mode session)) 'wait)
	333	(begin (set-cdr! (assoc 'search-mode session) 'normal)
	334	(logf "reverting to normal mode")))
d3372da9	335	(let ((cl (or (assoc size sr)
	336	(let ((newp (cons size '()))) (set! sr (append sr (list newp))) newp)))
	337	(newsr (list
	338	(cons 'filename filename)
	339	(cons 'peer (list fnet peer))
	340	(cons 'size size)
	341	(cons 'slots slots)
	342	(cons 'resptime resptime)
	343	(cons 'speed (getspeed peer))
3b0de0fd	344	(cons 'hash hash)
d3372da9	345	(cons 'recvtime (current-time))
	346	(cons 'dis #f)))
	347	(newlist '()))
	348	(for-each (lambda (o) (if (not (and (equal? (cdr (assoc 'filename o)) filename)
	349	(equal? (cdr (assoc 'peer o)) (list fnet peer))))
	350	(set! newlist (cons o newlist))))
	351	(cdr cl))
	352	(set-cdr! cl (sort (cons newsr newlist) sr-less?))
	353	)
	354	)
	355
	356	; XXX: Redefine to go through the server, once that is implemented
	357	(define (getspeed username)
	358	(catch 'system-error
	359	(lambda ()
	360	(let* ((port (open-input-file (string-append (getenv "HOME") "/dc/users/" username))) (avg 0) (numdls (string->number (read-line port))) (max (string->number (read-line port))) (numents (string->number (read-line port))))
	361	(do ((i 0 (+ i 1))) ((= i numents) (close-port port) (/ avg numents)) (set! avg (+ avg (string->number (read-line port)))))
	362	))
	363	(lambda args
	364	#f
	365	)
	366	)
	367	)
	368
	369	(define (validate-session session)
	370	(catch 'wrong-type-arg
	371	(lambda ()
	372	(and
	373	(assoc 'sexpr session)
	374	(assoc 'prio session)
	375	(assoc 'maxtrans session)
	376	#t
	377	)
	378	)
	379	(lambda (key . args)
	380	(display "Session data is not an a-list\n" (current-error-port))
	381	#f)
	382	)
	383	)
	384
	385	(define (autodl-main args)
aa82fda0	386	(let ((dc-server #f) (done #f) (retval 0) (filterexit ""))
e838f46b	387	(let ((getopt (make-getopt (cdr args) "whs:S:e:p:t:a:I:E:x:")) (arg #f))
d3372da9	388	(do ((arg (getopt) (getopt))) ((not (and (pair? arg) (char? (car arg)))) (set! args arg))
	389	(cond ((eq? (car arg) #\h)
	390	(begin (display "usage: autodl [-s server] -S sessfile\n" (current-error-port))
d30cc4bc	391	(display " autodl [-w] [-s server] -e search-expression [-p prio] [-t tag] [-a userarg]\n" (current-error-port))
d3372da9	392	(display " autodl [-s server]\n" (current-error-port))
	393	(display " autodl -h\n" (current-error-port))
	394	(exit 0)))
	395	((eq? (car arg) #\s)
	396	(set! dc-server (cdr arg)))
	397	((eq? (car arg) #\S)
	398	(let ((port (open-file (cdr arg)))) (set! session (read port)) (close-port port)))
	399	((eq? (car arg) #\p)
	400	(let ((c (assoc 'prio session)))
	401	(if c (set-cdr! c (cdr arg))
	402	(set! session (cons (cons 'prio (cdr arg)) session)))))
	403	((eq? (car arg) #\t)
	404	(let ((c (assoc 'tag session)))
	405	(if c (set-cdr! c (cdr arg))
	406	(set! session (cons (cons 'tag (cdr arg)) session)))))
	407	((eq? (car arg) #\a)
	408	(let ((c (assoc 'uarg session)))
	409	(if c (set-cdr! c (cdr arg))
	410	(set! session (cons (cons 'uarg (cdr arg)) session)))))
	411	((eq? (car arg) #\I)
	412	(let ((c (assoc 'info-file session)))
	413	(if c (set-cdr! c (cdr arg))
	414	(set! session (cons (cons 'info-file (cdr arg)) session)))))
aa82fda0	415	((eq? (car arg) #\E)
	416	(let ((c (assoc 'estat-file session)))
	417	(if c (set-cdr! c (cdr arg))
	418	(set! session (cons (cons 'estat-file (cdr arg)) session)))))
d3372da9	419	((eq? (car arg) #\e)
d3372da9	420	(set! session (cons (cons 'sexpr (dc-lexsexpr (cdr arg))) session)))
d30cc4bc	421	((eq? (car arg) #\w)
d30cc4bc	422	(set! session (cons '(search-mode . wait) session)))
e838f46b	423	((eq? (car arg) #\x)
	424	(let* ((c (assoc 'xargs session)) (p (string-index (cdr arg) #\=))
	425	(recons (cons (substring (cdr arg) 0 p) (substring (cdr arg) (1+ p)))))
	426	(if c (set-cdr! c (cons recons (cdr c)))
	427	(set! session (cons (cons 'xargs (list recons)) session)))))
d3372da9	428	)
	429	)
	430	)
	431	(if (eq? session '()) (begin (if (isatty? (current-input-port)) (display "Enter session data (s-expr):\n" (current-error-port))) (set! session (read))))
	432	(if (not (assoc 'prio session))
	433	(set! session (cons '(prio . 10) session)))
	434	(if (not (assoc 'maxtrans session))
	435	(set! session (cons '(maxtrans . 1) session)))
d30cc4bc	436	(if (not (assoc 'search-mode session))
53acfa81	437	(set! session (cons '(search-mode . normal) session)))
d3372da9	438	(if (not (validate-session session)) (begin (display "Invalid session!\n" (current-error-port)) (exit 1)))
	439	(if (not dc-server) (set! dc-server (getenv "DCSERVER")))
	440	(if (not dc-server) (set! dc-server "localhost"))
	441	(catch 'system-error
	442	(lambda ()
	443	(dc-c&l #t dc-server #t))
	444	(lambda (key . args)
	445	(logf (string-append "could not connect to server: " (apply format #f (cadr args) (caddr args))))
	446	(exit 2)))
c6a77cc5	447	(dc-ecmd-assert 200 "notify" "trans:act" "on" "trans:prog" "on" "srch:act" "on")
d3372da9	448	(for-each (lambda (sig) (sigaction sig (lambda (sig) (throw 'sig sig)))) (list SIGINT SIGTERM SIGHUP))
	449	(catch 'sig
	450	(lambda ()
	451	(while #t
	452	(if (and (not (= lastsearch -1)) (wanttosearch))
	453	(begin
	454	(if (not (= srchid -1))
	455	(dc-ecmd "cansrch" srchid))
	456	(let* ((resp (apply dc-ecmd-assert (append (list '(200 501 509) "search" "prio" (number->string (cdr (assoc 'prio session))) "all") (cdr (assoc 'sexpr session)))))
	457	(ires (dc-intresp resp))
	458	(eres (dc-extract resp)))
	459	(case (cdr (assoc 'code eres))
	460	((200)
	461	(begin (set! srchid (car ires))
	462	(logf (string-append "search scheduled in " (number->string (cadr ires)) " seconds (id " (number->string srchid) ")"))
	463	(set! info-searcheta (+ (current-time) (cadr ires)))
ecd6e23d	464	(set! lastsearch -1)
ecd6e23d	465	(write-info-file)))
d3372da9	466	((501)
	467	(begin (set! srchid -1)
	468	(logf (string-append "no fnetnodes available to search on"))
	469	(set! lastsearch (current-time))))
	470	((509)
	471	(begin (logf "illegal search expression")
	472	(set! done #t)
	473	(set! retval 3)
	474	(throw 'sig 0)))))))
	475	(checktrans)
	476	(if (> (- (current-time) lastparse) 20)
	477	(begin (parseresults)
	478	(set! lastparse (current-time))))
d3372da9	479	(dc-select 10000)
	480	(while (let ((resp (dc-getresp)))
	481	(if resp
	482	(begin
	483	(let* ((er (dc-extract resp)) (code (cdr (assoc 'code er))) (cmd (cdr (assoc 'cmd er))))
	484	(cond
	485	((equal? cmd ".notify")
	486	(case code
	487	((611) ; Transfer state change
	488	(let ((ires (dc-intresp resp)) (tr #f))
	489	(if (and ires (assoc (car ires) trans))
	490	(begin (set! tr (cdr (assoc (car ires) trans)))
	491	(set-cdr! (assoc 'state tr)
	492	(cdr (assoc (cadr ires) '((0 . wait) (1 . hs) (2 . main) (3 . done)))))
	493	(set-cdr! (assoc 'lastprog tr) (current-time))))))
	494	((614) ; Transfer error
	495	(let ((ires (dc-intresp resp)))
	496	(if (and ires (assoc (car ires) trans))
	497	(begin (logf (string-append "transfer " (number->string (car ires)) " encountered error " (number->string (cadr ires))))
	498	(dc-ecmd-assert 200 "cancel" (car ires))
	499	(let ((tr (cdr (assoc (car ires) trans))))
	500	(disablepeer (cdr (assoc 'peer tr))))
	501	(set! trans (assq-remove! trans (car ires)))))))
	502	((615) ; Transfer progress
	503	(let ((ires (dc-intresp resp)) (tr #f))
	504	(if (and ires (assoc (car ires) trans))
	505	(begin (set! tr (cdr (assoc (car ires) trans)))
	506	(set-cdr! (assoc 'curpos tr) (cadr ires))
	507	(set-cdr! (assoc 'lastprog tr) (current-time))))))
	508	((617) ; Transfer destroyed
	509	(let* ((ires (dc-intresp resp)) (tr (and ires (assoc (car ires) trans))))
	510	(if tr
	511	(begin (if (eq? (cdr (assoc 'state (cdr tr))) 'done)
2fc2772d	512	(begin (logf (string-append "transfer " (number->string (car ires)) " done (" (cadr ires) ")"))
d3372da9	513	(set! trans (assq-remove! trans (car ires)))
d3372da9	514	(set! done #t)
2fc2772d	515	(set! filterexit (cadr ires))
d3372da9	516	(throw 'sig 0))
	517	(begin (logf (string-append "transfer " (number->string (car ires)) " disappeared"))
	518	(set! trans (assq-remove! trans (car ires)))))))))
	519	((620) ; Search rescheduled
	520	(let ((ires (dc-intresp resp)))
	521	(if (and ires (= (car ires) srchid))
	522	(begin (set! info-searcheta (+ (current-time) (cadr ires)))
d30cc4bc	523	(logf (string-append "search rescheduled to T+" (number->string (cadr ires))))
d30cc4bc	524	(write-info-file)))))
d3372da9	525	((621) ; Search committed
	526	(let ((ires (dc-intresp resp)))
	527	(if (and ires (= (car ires) srchid))
	528	(begin (logf "search committed")
	529	(set! info-searcheta 0)
d30cc4bc	530	(set! lastsearch (current-time))
d30cc4bc	531	(write-info-file)))))
d3372da9	532	((622) ; Search result
d3372da9	533	(let ((ires (list->vector (dc-intresp resp))))
3b0de0fd	534	(if (and ires (= (vector-ref ires 0) srchid)) (apply handlesr (map (lambda (n) (vector-ref ires n)) '(1 2 3 4 5 7 8))))))
d3372da9	535
	536	)
	537	)
	538
	539	)
	540	)
	541	#t)
	542	#f)
	543	)
	544	#t
	545	)
	546	)
	547	)
	548	(lambda (key sig)
	549	(logf (string-append "interrupted by signal " (number->string sig)))
	550	(if (not done)
	551	(set! retval 1)))
	552	)
	553	(logf "quitting...")
	554	(catch 'sig
	555	(lambda ()
	556	(if (dc-connected)
	557	(begin (for-each (lambda (o)
	558	(dc-qcmd (list "cancel" (car o))))
	559	trans)
	560	(if (assoc 'info-file session)
	561	(catch 'system-error
	562	(lambda ()
	563	(delete-file (cdr (assoc 'info-file session))))
	564	(lambda (key . args) #t)))
	565	(if (and done (assoc 'tag session))
	566	(dc-qcmd (list "filtercmd" "rmtag" (cdr (assoc 'tag session)))))
	567	(if (not (= srchid -1))
	568	(dc-qcmd (list "cansrch" srchid)))
	569	(dc-qcmd '("quit"))
	570	(while (dc-connected) (dc-select))
	571	)))
	572	(lambda (key sig)
	573	(logf "forcing quit")))
aa82fda0	574	(if (assoc 'estat-file session)
aa82fda0	575	(let ((op (open-output-file (cdr (assoc 'estat-file session)))))
fc068ee7	576	(display filterexit op)
aa82fda0	577	(newline op)
aa82fda0	578	(close-port op)))
d3372da9	579	(exit retval)
	580	)
	581	)
	582
	583	(setlocale LC_ALL "")
	584	(autodl-main (command-line))