X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=server%2Feventl.c;h=8eb29589a1a4c612cadc52543ddb9f67b509c630;hp=104088c9c080e581f80d68b38b22b3fadfa3c170;hb=d09e17f371431d3397588e6b749219608d37766a;hpb=7f22a88d407609fc8a4f8554ef754dd649145447 diff --git a/server/eventl.c b/server/eventl.c index 104088c..8eb2958 100644 --- a/server/eventl.c +++ b/server/eventl.c @@ -1,10 +1,35 @@ /* - * Copyright (C) 1994, Index Data I/S - * All rights reserved. + * Copyright (c) 1995, Index Data + * See the file LICENSE for details. * Sebastian Hammer, Adam Dickmeiss * * $Log: eventl.c,v $ - * Revision 1.5 1995-03-15 08:37:41 quinn + * Revision 1.13 1995-08-29 11:17:56 quinn + * Added code to receive close + * + * Revision 1.12 1995/08/29 10:41:18 quinn + * Small. + * + * Revision 1.11 1995/06/19 12:39:09 quinn + * Fixed bug in timeout code. Added BER dumper. + * + * Revision 1.10 1995/06/16 10:31:33 quinn + * Added session timeout. + * + * Revision 1.9 1995/06/05 10:53:31 quinn + * Added a better SCAN. + * + * Revision 1.8 1995/05/16 08:51:01 quinn + * License, documentation, and memory fixes + * + * Revision 1.7 1995/03/27 15:02:01 quinn + * Added some includes for better portability + * + * Revision 1.6 1995/03/27 08:34:21 quinn + * Added dynamic server functionality. + * Released bindings to session.c (is now redundant) + * + * Revision 1.5 1995/03/15 08:37:41 quinn * Now we're pretty much set for nonblocking I/O. * * Revision 1.4 1995/03/14 16:59:48 quinn @@ -26,10 +51,22 @@ #include #include #include +#include +#include +#ifdef _AIX +#include +#endif #include -IOCHAN iochans = 0; +#include + +static IOCHAN iochans = 0; + +IOCHAN iochan_getchan(void) +{ + return iochans; +} IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags) { @@ -43,6 +80,7 @@ IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags) new->fun = cb; new->next = iochans; new->force_event = 0; + new->last_event = new->max_idle = 0; iochans = new; return new; } @@ -54,18 +92,20 @@ int event_loop() IOCHAN p, nextp; fd_set in, out, except; int res, max; - static struct timeval nullto = {0, 0}; + static struct timeval nullto = {0, 0}, to; struct timeval *timeout; FD_ZERO(&in); FD_ZERO(&out); FD_ZERO(&except); - timeout = 0; /* hang on select */ + timeout = &to; /* hang on select */ + to.tv_sec = 10/*5*60*/; + to.tv_usec = 0; max = 0; for (p = iochans; p; p = p->next) { if (p->force_event) - timeout = &nullto; + timeout = &nullto; /* polling select */ if (p->flags & EVENT_INPUT) FD_SET(p->fd, &in); if (p->flags & EVENT_OUTPUT) @@ -81,20 +121,40 @@ int event_loop() continue; return 1; } - for (p = iochans; p; p = nextp) + for (p = iochans; p; p = p->next) { int force_event = p->force_event; + time_t now = time(0); p->force_event = 0; - nextp = p->next; if (FD_ISSET(p->fd, &in) || force_event == EVENT_INPUT) + { + p->last_event = now; (*p->fun)(p, EVENT_INPUT); + } if (!p->destroyed && (FD_ISSET(p->fd, &out) || - force_event == EVENT_OUTPUT)) + force_event == EVENT_OUTPUT)) + { + p->last_event = now; (*p->fun)(p, EVENT_OUTPUT); + } if (!p->destroyed && (FD_ISSET(p->fd, &except) || force_event == EVENT_EXCEPT)) + { + p->last_event = now; (*p->fun)(p, EVENT_EXCEPT); + } + if (!p->destroyed && p->max_idle && now - p->last_event > + p->max_idle) + { + p->last_event = now; + (*p->fun)(p, EVENT_TIMEOUT); + } + } + for (p = iochans; p; p = nextp) + { + nextp = p->next; + if (p->destroyed) { IOCHAN tmp = p, pr; @@ -106,7 +166,7 @@ int event_loop() for (pr = iochans; pr; pr = pr->next) if (pr->next == p) break; - assert(pr); + assert(pr); /* grave error if it weren't there */ pr->next = p->next; } if (nextp == p)