(define fnetnodes '())
(define loop-procs '())
(define fn-procs '())
+(define msg-procs '())
+(define timeouts '())
(define-public dc-fn-update
(lambda ()
(set! fn-procs (cons (list event proc)
fn-procs))))
-(define-public dc-handle-fn
+(define dc-handle-fn
(lambda ()
(dc-fn-update)
(let* ((notify (lambda (event data) (for-each (lambda (o) (if (eq? event (car o)) ((cadr o) data))) fn-procs)))
(notify 'dstr (cdr nform))
(set! fnetnodes (delq nform fnetnodes))))))))
+(define-public dc-msgproc-reg
+ (lambda (proc)
+ (set! msg-procs (cons proc msg-procs))))
+
+(define dc-handle-msg
+ (lambda ()
+ (dc-loop-reg ".notify" 640 (lambda (r er)
+ (let ((sender (cadadr (assq 'resp er)))
+ (message (cddadr (assq 'resp er))))
+ (for-each (lambda (o) (o sender message))
+ msg-procs))))))
+
+(define-public dc-util-handle
+ (lambda what
+ (for-each (lambda (o)
+ (case o
+ ((fn) (dc-handle-fn))
+ ((msg) (dc-handle-msg))))
+ what)))
+
+(define-public dc-timeout
+ (lambda (rel timeout proc)
+ (let* ((tf (gettimeofday))
+ (t (+ (car tf) (/ (cdr tf) 1000000))))
+ (set! timeouts (merge timeouts (list (cons (if rel (+ timeout t) timeout) proc))
+ (lambda (a b) (< (car a) (car b))))))))
+
(define-public dc-loop-reg
(lambda (cmd code proc)
(set! loop-procs (cons (cons (cons cmd code) proc)
(define-public dc-loop
(lambda ()
(while #t
- (dc-select 10000)
+ (dc-select (if (eq? timeouts '())
+ 10000
+ (let* ((tf (gettimeofday))
+ (t (+ (car tf) (/ (cdr tf) 1000000)))
+ (dt (- (caar timeouts) t)))
+ (if (< dt 0) 0 (truncate (inexact->exact (* dt 1000)))))))
(while (let ((resp (dc-getresp)))
(if resp
(let* ((er (dc-extract resp)) (code (cdr (assq 'code er))) (cmd (cdr (assq 'cmd er))))
loop-procs))
#f))
#f)
+ (while (and (not (eq? timeouts '()))
+ (let* ((tf (gettimeofday))
+ (t (+ (car tf) (/ (cdr tf) 1000000))))
+ (>= t (caar timeouts))))
+ ((cdar timeouts))
+ (set! timeouts (cdr timeouts)))
(for-each (lambda (o)
(if (equal? (caar o) ".periodic")
((cdr o))))