diff options
Diffstat (limited to 'src/libstrongswan/processing')
-rw-r--r-- | src/libstrongswan/processing/processor.h | 2 | ||||
-rw-r--r-- | src/libstrongswan/processing/scheduler.c | 19 | ||||
-rw-r--r-- | src/libstrongswan/processing/scheduler.h | 7 | ||||
-rw-r--r-- | src/libstrongswan/processing/watcher.c | 113 |
4 files changed, 94 insertions, 47 deletions
diff --git a/src/libstrongswan/processing/processor.h b/src/libstrongswan/processing/processor.h index f96530e54..ee08870fb 100644 --- a/src/libstrongswan/processing/processor.h +++ b/src/libstrongswan/processing/processor.h @@ -23,6 +23,8 @@ #ifndef PROCESSOR_H_ #define PROCESSOR_H_ +#include <utils/utils.h> + typedef struct processor_t processor_t; #include <stdlib.h> diff --git a/src/libstrongswan/processing/scheduler.c b/src/libstrongswan/processing/scheduler.c index 3f1598fc4..d90852561 100644 --- a/src/libstrongswan/processing/scheduler.c +++ b/src/libstrongswan/processing/scheduler.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008 Tobias Brunner + * Copyright (C) 2008-2015 Tobias Brunner * Copyright (C) 2005-2006 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil @@ -300,16 +300,26 @@ METHOD(scheduler_t, schedule_job_ms, void, schedule_job_tv(this, job, tv); } -METHOD(scheduler_t, destroy, void, +METHOD(scheduler_t, flush, void, private_scheduler_t *this) { event_t *event; - this->condvar->destroy(this->condvar); - this->mutex->destroy(this->mutex); + + this->mutex->lock(this->mutex); while ((event = remove_event(this)) != NULL) { event_destroy(event); } + this->condvar->signal(this->condvar); + this->mutex->unlock(this->mutex); +} + +METHOD(scheduler_t, destroy, void, + private_scheduler_t *this) +{ + flush(this); + this->condvar->destroy(this->condvar); + this->mutex->destroy(this->mutex); free(this->heap); free(this); } @@ -328,6 +338,7 @@ scheduler_t * scheduler_create() .schedule_job = _schedule_job, .schedule_job_ms = _schedule_job_ms, .schedule_job_tv = _schedule_job_tv, + .flush = _flush, .destroy = _destroy, }, .heap_size = HEAP_SIZE_DEFAULT, diff --git a/src/libstrongswan/processing/scheduler.h b/src/libstrongswan/processing/scheduler.h index abbf74e2c..7f91fcc59 100644 --- a/src/libstrongswan/processing/scheduler.h +++ b/src/libstrongswan/processing/scheduler.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009 Tobias Brunner + * Copyright (C) 2009-2015 Tobias Brunner * Copyright (C) 2005-2007 Martin Willi * Copyright (C) 2005 Jan Hutter * Hochschule fuer Technik Rapperswil @@ -115,6 +115,11 @@ struct scheduler_t { u_int (*get_job_load) (scheduler_t *this); /** + * Remove all scheduled jobs. + */ + void (*flush)(scheduler_t *this); + + /** * Destroys a scheduler object. */ void (*destroy) (scheduler_t *this); diff --git a/src/libstrongswan/processing/watcher.c b/src/libstrongswan/processing/watcher.c index d4de2a907..5b94208bf 100644 --- a/src/libstrongswan/processing/watcher.c +++ b/src/libstrongswan/processing/watcher.c @@ -24,9 +24,6 @@ #include <unistd.h> #include <errno.h> -#ifndef WIN32 -#include <sys/select.h> -#endif #include <fcntl.h> typedef struct private_watcher_t private_watcher_t; @@ -121,11 +118,7 @@ static void update(private_watcher_t *this) this->pending = TRUE; if (this->notify[1] != -1) { -#ifdef WIN32 - if (send(this->notify[1], buf, sizeof(buf), 0) == -1) -#else if (write(this->notify[1], buf, sizeof(buf)) == -1) -#endif { DBG1(DBG_JOB, "notifying watcher failed: %s", strerror(errno)); } @@ -245,23 +238,57 @@ static void activate_all(private_watcher_t *this) } /** + * Find flagged revents in a pollfd set by fd + */ +static int find_revents(struct pollfd *pfd, int count, int fd) +{ + int i; + + for (i = 0; i < count; i++) + { + if (pfd[i].fd == fd) + { + return pfd[i].revents; + } + } + return 0; +} + +/** + * Check if entry is waiting for a specific event, and if it got signaled + */ +static bool entry_ready(entry_t *entry, watcher_event_t event, int revents) +{ + if (entry->events & event) + { + switch (event) + { + case WATCHER_READ: + return (revents & (POLLIN | POLLHUP | POLLNVAL)) != 0; + case WATCHER_WRITE: + return (revents & (POLLOUT | POLLHUP | POLLNVAL)) != 0; + case WATCHER_EXCEPT: + return (revents & (POLLERR | POLLHUP | POLLNVAL)) != 0; + } + } + return FALSE; +} + +/** * Dispatching function */ static job_requeue_t watch(private_watcher_t *this) { enumerator_t *enumerator; entry_t *entry; - fd_set rd, wr, ex; - int maxfd = 0, res; + struct pollfd *pfd; + int count = 0, res; bool rebuild = FALSE; - FD_ZERO(&rd); - FD_ZERO(&wr); - FD_ZERO(&ex); - this->mutex->lock(this->mutex); - if (this->fds->get_count(this->fds) == 0) + count = this->fds->get_count(this->fds); + if (count == 0) { this->state = WATCHER_STOPPED; this->mutex->unlock(this->mutex); @@ -272,33 +299,34 @@ static job_requeue_t watch(private_watcher_t *this) this->state = WATCHER_RUNNING; } - if (this->notify[0] != -1) - { - FD_SET(this->notify[0], &rd); - maxfd = this->notify[0]; - } + pfd = alloca(sizeof(*pfd) * (count + 1)); + pfd[0].fd = this->notify[0]; + pfd[0].events = POLLIN; + count = 1; enumerator = this->fds->create_enumerator(this->fds); while (enumerator->enumerate(enumerator, &entry)) { if (!entry->in_callback) { + pfd[count].fd = entry->fd; + pfd[count].events = 0; if (entry->events & WATCHER_READ) { DBG3(DBG_JOB, " watching %d for reading", entry->fd); - FD_SET(entry->fd, &rd); + pfd[count].events |= POLLIN; } if (entry->events & WATCHER_WRITE) { DBG3(DBG_JOB, " watching %d for writing", entry->fd); - FD_SET(entry->fd, &wr); + pfd[count].events |= POLLOUT; } if (entry->events & WATCHER_EXCEPT) { DBG3(DBG_JOB, " watching %d for exceptions", entry->fd); - FD_SET(entry->fd, &ex); + pfd[count].events |= POLLERR; } - maxfd = max(maxfd, entry->fd); + count++; } } enumerator->destroy(enumerator); @@ -306,30 +334,27 @@ static job_requeue_t watch(private_watcher_t *this) while (!rebuild) { + int revents; char buf[1]; bool old; ssize_t len; job_t *job; - DBG2(DBG_JOB, "watcher going to select()"); + DBG2(DBG_JOB, "watcher going to poll() %d fds", count); thread_cleanup_push((void*)activate_all, this); old = thread_cancelability(TRUE); - res = select(maxfd + 1, &rd, &wr, &ex, NULL); + res = poll(pfd, count, -1); thread_cancelability(old); thread_cleanup_pop(FALSE); if (res > 0) { - if (this->notify[0] != -1 && FD_ISSET(this->notify[0], &rd)) + if (pfd[0].revents & POLLIN) { while (TRUE) { -#ifdef WIN32 - len = recv(this->notify[0], buf, sizeof(buf), 0); -#else len = read(this->notify[0], buf, sizeof(buf)); -#endif if (len == -1) { if (errno != EAGAIN && errno != EWOULDBLOCK) @@ -354,21 +379,25 @@ static job_requeue_t watch(private_watcher_t *this) rebuild = TRUE; break; } - if (FD_ISSET(entry->fd, &rd) && (entry->events & WATCHER_READ)) - { - DBG2(DBG_JOB, "watched FD %d ready to read", entry->fd); - notify(this, entry, WATCHER_READ); - } - if (FD_ISSET(entry->fd, &wr) && (entry->events & WATCHER_WRITE)) - { - DBG2(DBG_JOB, "watched FD %d ready to write", entry->fd); - notify(this, entry, WATCHER_WRITE); - } - if (FD_ISSET(entry->fd, &ex) && (entry->events & WATCHER_EXCEPT)) + revents = find_revents(pfd, count, entry->fd); + if (entry_ready(entry, WATCHER_EXCEPT, revents)) { DBG2(DBG_JOB, "watched FD %d has exception", entry->fd); notify(this, entry, WATCHER_EXCEPT); } + else + { + if (entry_ready(entry, WATCHER_READ, revents)) + { + DBG2(DBG_JOB, "watched FD %d ready to read", entry->fd); + notify(this, entry, WATCHER_READ); + } + if (entry_ready(entry, WATCHER_WRITE, revents)) + { + DBG2(DBG_JOB, "watched FD %d ready to write", entry->fd); + notify(this, entry, WATCHER_WRITE); + } + } } enumerator->destroy(enumerator); this->mutex->unlock(this->mutex); @@ -388,7 +417,7 @@ static job_requeue_t watch(private_watcher_t *this) { if (!this->pending && errno != EINTR) { /* complain only if no pending updates */ - DBG1(DBG_JOB, "watcher select() error: %s", strerror(errno)); + DBG1(DBG_JOB, "watcher poll() error: %s", strerror(errno)); } return JOB_REQUEUE_DIRECT; } |