X-Git-Url: http://lists.indexdata.com/cgi-bin?a=blobdiff_plain;f=src%2Feventl.c;h=f178015e980f8633eb4aa85d63e782d090986307;hb=03e77a36926d8db74ac218397ddce9ccf181a4d9;hp=8536694557d14555b6019b263948c67e1f428ae9;hpb=b5b08cf342a8d5a0779670e7df649329111b4725;p=pazpar2-moved-to-github.git diff --git a/src/eventl.c b/src/eventl.c index 8536694..f178015 100644 --- a/src/eventl.c +++ b/src/eventl.c @@ -32,6 +32,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include #endif +#include #include #include @@ -52,6 +53,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #include #include #include +#include #include "eventl.h" #include "sel_thread.h" @@ -61,6 +63,13 @@ struct iochan_man_s { int sel_fd; int no_threads; int log_level; + YAZ_MUTEX iochan_mutex; +}; + +struct iochan_man_iter { + iochan_man_t man; + IOCHAN current; + int first; }; iochan_man_t iochan_man_create(int no_threads) @@ -71,7 +80,8 @@ iochan_man_t iochan_man_create(int no_threads) man->sel_fd = -1; man->no_threads = no_threads; man->log_level = yaz_log_module_level("iochan"); - + man->iochan_mutex = 0; + yaz_mutex_create(&man->iochan_mutex); return man; } @@ -99,8 +109,11 @@ void iochan_man_destroy(iochan_man_t *mp) void iochan_add(iochan_man_t man, IOCHAN chan) { chan->man = man; + yaz_mutex_enter(man->iochan_mutex); + yaz_log(man->log_level, "iochan_add : chan=%p channel list=%p", chan, man->channel_list); chan->next = man->channel_list; man->channel_list = chan; + yaz_mutex_leave(man->iochan_mutex); } IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags, @@ -116,7 +129,6 @@ IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags, new_iochan->fun = cb; new_iochan->socketfun = NULL; new_iochan->maskfun = NULL; - new_iochan->force_event = 0; new_iochan->last_event = new_iochan->max_idle = 0; new_iochan->next = NULL; new_iochan->man = 0; @@ -161,6 +173,33 @@ static void run_fun(iochan_man_t man, IOCHAN p) } } +static IOCHAN iochan_man_get_first(struct iochan_man_iter *iter, iochan_man_t man) { + iter->man = man; + iter->first = 1; + yaz_mutex_enter(man->iochan_mutex); + iter->current = man->channel_list; + yaz_log(man->log_level, "iochan_man_get_first : chan=%p ", iter->current); + if (!iter->current) + yaz_mutex_leave(man->iochan_mutex); + return iter->current; +} + +static IOCHAN iochan_man_get_next(struct iochan_man_iter *iter) { + IOCHAN current = NULL, next = NULL; + current = iter->current; + assert(current); + if (current) { + next = current->next; + iter->current = iter->current->next; + if (iter->first) { + yaz_log(iter->man->log_level, "iochan_man_get_next : chan=%p next=%p", current, next); + iter->first = 0; + yaz_mutex_leave(iter->man->iochan_mutex); + } + } + return iter->current; +} + static int event_loop(iochan_man_t man, IOCHAN *iochans) { do /* loop as long as there are active associations to process */ @@ -168,8 +207,9 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) IOCHAN p, *nextp; fd_set in, out, except; int res, max; - static struct timeval nullto = {0, 0}, to; - struct timeval *timeout; + static struct timeval to; + struct timeval *timeout; + static struct iochan_man_iter iter; FD_ZERO(&in); FD_ZERO(&out); @@ -178,7 +218,7 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) to.tv_sec = 300; to.tv_usec = 0; max = 0; - for (p = *iochans; p; p = p->next) + for (p = iochan_man_get_first(&iter, man); p; p = iochan_man_get_next(&iter) ) { if (p->thread_users > 0) continue; @@ -190,8 +230,6 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) to.tv_sec = p->max_idle; if (p->fd < 0) continue; - if (p->force_event) - timeout = &nullto; /* polling select */ if (p->flags & EVENT_INPUT) FD_SET(p->fd, &in); if (p->flags & EVENT_OUTPUT) @@ -201,6 +239,8 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) if (p->fd > max) max = p->fd; } + yaz_log(man->log_level, "max=%d nofds=%d", max, man->sel_fd); + if (man->sel_fd != -1) { if (man->sel_fd > max) @@ -236,9 +276,16 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) } } } - for (p = *iochans; p; p = p->next) + if (man->log_level) + { + int no = 0; + for (p = iochan_man_get_first(&iter, man); p; p = iochan_man_get_next(&iter)) { + no++; + } + yaz_log(man->log_level, "%d channels", no); + } + for (p = iochan_man_get_first(&iter, man); p; p = iochan_man_get_next(&iter)) { - int force_event = p->force_event; time_t now = time(0); if (p->destroyed) @@ -252,29 +299,25 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) continue; } p->this_event = 0; - p->force_event = 0; - if ((p->max_idle && now - p->last_event > p->max_idle) - || force_event == EVENT_TIMEOUT) + if (p->max_idle && now - p->last_event > p->max_idle) { p->last_event = now; p->this_event |= EVENT_TIMEOUT; } if (p->fd >= 0) { - if (FD_ISSET(p->fd, &in) || force_event == EVENT_INPUT) + if (FD_ISSET(p->fd, &in)) { p->last_event = now; - yaz_log(YLOG_DEBUG, "Eventl input event"); p->this_event |= EVENT_INPUT; } - if (FD_ISSET(p->fd, &out) || force_event == EVENT_OUTPUT) + if (FD_ISSET(p->fd, &out)) { p->last_event = now; - yaz_log(YLOG_DEBUG, "Eventl output event"); p->this_event |= EVENT_OUTPUT; } - if (FD_ISSET(p->fd, &except) || force_event == EVENT_EXCEPT) + if (FD_ISSET(p->fd, &except)) { p->last_event = now; p->this_event |= EVENT_EXCEPT; @@ -282,6 +325,7 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) } run_fun(man, p); } + yaz_mutex_enter(man->iochan_mutex); for (nextp = iochans; *nextp; ) { IOCHAN p = *nextp; @@ -294,6 +338,7 @@ static int event_loop(iochan_man_t man, IOCHAN *iochans) else nextp = &p->next; } + yaz_mutex_leave(man->iochan_mutex); } while (*iochans); return 0; @@ -311,6 +356,18 @@ void iochan_man_events(iochan_man_t man) event_loop(man, &man->channel_list); } +void pazpar2_sleep(double d) +{ +#ifdef WIN32 + Sleep( (DWORD) (d * 1000)); +#else + struct timeval tv; + tv.tv_sec = floor(d); + tv.tv_usec = (d - floor(d)) * 1000000; + select(0, 0, 0, 0, &tv); +#endif +} + /* * Local variables: * c-basic-offset: 4