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authorAlberto Gonzalez Iniesta <agi@inittab.org>2016-12-27 18:25:47 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2016-12-27 18:25:47 +0100
commit3a2bbdb05ca6a6996e424c9fb225cb0d53804125 (patch)
treef29063da5bec4caf3853d49a22a09c8619eebd21 /src/openvpn/event.c
parentd53dba59e78da865c4fe820386ff2f4f76925f3b (diff)
New upstream version 2.4.0upstream/2.4.0
Diffstat (limited to 'src/openvpn/event.c')
-rw-r--r--src/openvpn/event.c1503
1 files changed, 813 insertions, 690 deletions
diff --git a/src/openvpn/event.c b/src/openvpn/event.c
index 409ad13..f4922e0 100644
--- a/src/openvpn/event.c
+++ b/src/openvpn/event.c
@@ -5,7 +5,7 @@
* packet encryption, packet authentication, and
* packet compression.
*
- * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ * Copyright (C) 2002-2017 OpenVPN Technologies, Inc. <sales@openvpn.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
@@ -66,400 +66,453 @@
#endif
static inline int
-tv_to_ms_timeout (const struct timeval *tv)
+tv_to_ms_timeout(const struct timeval *tv)
{
- if (tv->tv_sec == 0 && tv->tv_usec == 0)
- return 0;
- else
- return max_int (tv->tv_sec * 1000 + (tv->tv_usec + 500) / 1000, 1);
+ if (tv->tv_sec == 0 && tv->tv_usec == 0)
+ {
+ return 0;
+ }
+ else
+ {
+ return max_int(tv->tv_sec * 1000 + (tv->tv_usec + 500) / 1000, 1);
+ }
}
#ifdef _WIN32
struct we_set
{
- struct event_set_functions func;
- bool fast;
- HANDLE *events;
- struct event_set_return *esr;
- int n_events;
- int capacity;
+ struct event_set_functions func;
+ bool fast;
+ HANDLE *events;
+ struct event_set_return *esr;
+ int n_events;
+ int capacity;
};
static inline void
-we_set_event (struct we_set *wes, int i, event_t event, unsigned int rwflags, void *arg)
+we_set_event(struct we_set *wes, int i, event_t event, unsigned int rwflags, void *arg)
{
- ASSERT (i >= 0 && i < wes->capacity);
+ ASSERT(i >= 0 && i < wes->capacity);
- if (rwflags == EVENT_READ)
+ if (rwflags == EVENT_READ)
{
- ASSERT (event->read != NULL);
- wes->events[i] = event->read;
+ ASSERT(event->read != NULL);
+ wes->events[i] = event->read;
}
- else if (rwflags == EVENT_WRITE)
+ else if (rwflags == EVENT_WRITE)
{
- ASSERT (event->write != NULL);
- wes->events[i] = event->write;
+ ASSERT(event->write != NULL);
+ wes->events[i] = event->write;
}
- else
- msg (M_FATAL, "fatal error in we_set_events: rwflags=%d", rwflags);
-
- wes->esr[i].rwflags = rwflags;
- wes->esr[i].arg = arg;
+ else
+ {
+ msg(M_FATAL, "fatal error in we_set_events: rwflags=%d", rwflags);
+ }
+
+ wes->esr[i].rwflags = rwflags;
+ wes->esr[i].arg = arg;
}
static inline bool
-we_append_event (struct we_set *wes, event_t event, unsigned int rwflags, void *arg)
+we_append_event(struct we_set *wes, event_t event, unsigned int rwflags, void *arg)
{
- if (rwflags & EVENT_WRITE)
+ if (rwflags & EVENT_WRITE)
{
- if (wes->n_events < wes->capacity)
- {
- we_set_event (wes, wes->n_events, event, EVENT_WRITE, arg);
- ++wes->n_events;
- }
- else
- return false;
+ if (wes->n_events < wes->capacity)
+ {
+ we_set_event(wes, wes->n_events, event, EVENT_WRITE, arg);
+ ++wes->n_events;
+ }
+ else
+ {
+ return false;
+ }
}
- if (rwflags & EVENT_READ)
+ if (rwflags & EVENT_READ)
{
- if (wes->n_events < wes->capacity)
- {
- we_set_event (wes, wes->n_events, event, EVENT_READ, arg);
- ++wes->n_events;
- }
- else
- return false;
+ if (wes->n_events < wes->capacity)
+ {
+ we_set_event(wes, wes->n_events, event, EVENT_READ, arg);
+ ++wes->n_events;
+ }
+ else
+ {
+ return false;
+ }
}
- return true;
+ return true;
}
static void
-we_del_event (struct we_set *wes, event_t event)
+we_del_event(struct we_set *wes, event_t event)
{
- int i, j = 0;
- const int len = wes->n_events;
+ int i, j = 0;
+ const int len = wes->n_events;
- for (i = 0; i < len; ++i)
+ for (i = 0; i < len; ++i)
{
- const HANDLE h = wes->events[i];
- if (h == event->read || h == event->write)
- --wes->n_events;
- else
- {
- if (i != j)
- {
- wes->events[j] = wes->events[i];
- wes->esr[j] = wes->esr[i];
- }
- ++j;
- }
+ const HANDLE h = wes->events[i];
+ if (h == event->read || h == event->write)
+ {
+ --wes->n_events;
+ }
+ else
+ {
+ if (i != j)
+ {
+ wes->events[j] = wes->events[i];
+ wes->esr[j] = wes->esr[i];
+ }
+ ++j;
+ }
}
}
static void
-we_del_index (struct we_set *wes, int index)
+we_del_index(struct we_set *wes, int index)
{
- int i;
- ASSERT (index >= 0 && index < wes->n_events);
- for (i = index; i < wes->n_events - 1; ++i)
+ int i;
+ ASSERT(index >= 0 && index < wes->n_events);
+ for (i = index; i < wes->n_events - 1; ++i)
{
- wes->events[i] = wes->events[i+1];
- wes->esr[i] = wes->esr[i+1];
+ wes->events[i] = wes->events[i+1];
+ wes->esr[i] = wes->esr[i+1];
}
- --wes->n_events;
+ --wes->n_events;
}
static void
-we_get_rw_indices (struct we_set *wes, event_t event, int *ri, int *wi)
+we_get_rw_indices(struct we_set *wes, event_t event, int *ri, int *wi)
{
- int i;
- *ri = *wi = -1;
- for (i = 0; i < wes->n_events; ++i)
+ int i;
+ *ri = *wi = -1;
+ for (i = 0; i < wes->n_events; ++i)
{
- const HANDLE h = wes->events[i];
- if (h == event->read)
- {
- ASSERT (*ri == -1);
- *ri = i;
- }
- else if (h == event->write)
- {
- ASSERT (*wi == -1);
- *wi = i;
- }
+ const HANDLE h = wes->events[i];
+ if (h == event->read)
+ {
+ ASSERT(*ri == -1);
+ *ri = i;
+ }
+ else if (h == event->write)
+ {
+ ASSERT(*wi == -1);
+ *wi = i;
+ }
}
}
static void
-we_free (struct event_set *es)
+we_free(struct event_set *es)
{
- struct we_set *wes = (struct we_set *) es;
- free (wes->events);
- free (wes->esr);
- free (wes);
+ struct we_set *wes = (struct we_set *) es;
+ free(wes->events);
+ free(wes->esr);
+ free(wes);
}
static void
-we_reset (struct event_set *es)
+we_reset(struct event_set *es)
{
- struct we_set *wes = (struct we_set *) es;
- ASSERT (wes->fast);
- wes->n_events = 0;
+ struct we_set *wes = (struct we_set *) es;
+ ASSERT(wes->fast);
+ wes->n_events = 0;
}
static void
-we_del (struct event_set *es, event_t event)
+we_del(struct event_set *es, event_t event)
{
- struct we_set *wes = (struct we_set *) es;
- ASSERT (!wes->fast);
- we_del_event (wes, event);
+ struct we_set *wes = (struct we_set *) es;
+ ASSERT(!wes->fast);
+ we_del_event(wes, event);
}
static void
-we_ctl (struct event_set *es, event_t event, unsigned int rwflags, void *arg)
+we_ctl(struct event_set *es, event_t event, unsigned int rwflags, void *arg)
{
- struct we_set *wes = (struct we_set *) es;
+ struct we_set *wes = (struct we_set *) es;
- dmsg (D_EVENT_WAIT, "WE_CTL n=%d ev=%p rwflags=0x%04x arg=" ptr_format,
- wes->n_events,
- event,
- rwflags,
- (ptr_type)arg);
+ dmsg(D_EVENT_WAIT, "WE_CTL n=%d ev=%p rwflags=0x%04x arg=" ptr_format,
+ wes->n_events,
+ event,
+ rwflags,
+ (ptr_type)arg);
- if (wes->fast)
+ if (wes->fast)
{
- if (!we_append_event (wes, event, rwflags, arg))
- goto err;
+ if (!we_append_event(wes, event, rwflags, arg))
+ {
+ goto err;
+ }
}
- else
+ else
{
- int ri, wi;
- int one = -1;
- int n = 0;
-
- we_get_rw_indices (wes, event, &ri, &wi);
- if (wi >= 0)
- {
- one = wi;
- ++n;
- }
- if (ri >= 0)
- {
- one = ri;
- ++n;
- }
- switch (rwflags)
- {
- case 0:
- switch (n)
- {
- case 0:
- break;
- case 1:
- we_del_index (wes, one);
- break;
- case 2:
- we_del_event (wes, event);
- break;
- default:
- ASSERT (0);
- }
- break;
- case EVENT_READ:
- switch (n)
- {
- case 0:
- if (!we_append_event (wes, event, EVENT_READ, arg))
- goto err;
- break;
- case 1:
- we_set_event (wes, one, event, EVENT_READ, arg);
- break;
- case 2:
- we_del_index (wes, wi);
- break;
- default:
- ASSERT (0);
- }
- break;
- case EVENT_WRITE:
- switch (n)
- {
- case 0:
- if (!we_append_event (wes, event, EVENT_WRITE, arg))
- goto err;
- break;
- case 1:
- we_set_event (wes, one, event, EVENT_WRITE, arg);
- break;
- case 2:
- we_del_index (wes, ri);
- break;
- default:
- ASSERT (0);
- }
- break;
- case EVENT_READ|EVENT_WRITE:
- switch (n)
- {
- case 0:
- if (!we_append_event (wes, event, EVENT_READ|EVENT_WRITE, arg))
- goto err;
- break;
- case 1:
- if (ri == -1)
- {
- ASSERT (wi != -1);
- if (!we_append_event (wes, event, EVENT_READ, arg))
- goto err;
- }
- else if (wi == -1)
- {
- if (!we_append_event (wes, event, EVENT_WRITE, arg))
- goto err;
- }
- else
- ASSERT (0);
- break;
- case 2:
- break;
- default:
- ASSERT (0);
- }
- break;
- default:
- msg (M_FATAL, "fatal error in we_ctl: rwflags=%d", rwflags);
- }
+ int ri, wi;
+ int one = -1;
+ int n = 0;
+
+ we_get_rw_indices(wes, event, &ri, &wi);
+ if (wi >= 0)
+ {
+ one = wi;
+ ++n;
+ }
+ if (ri >= 0)
+ {
+ one = ri;
+ ++n;
+ }
+ switch (rwflags)
+ {
+ case 0:
+ switch (n)
+ {
+ case 0:
+ break;
+
+ case 1:
+ we_del_index(wes, one);
+ break;
+
+ case 2:
+ we_del_event(wes, event);
+ break;
+
+ default:
+ ASSERT(0);
+ }
+ break;
+
+ case EVENT_READ:
+ switch (n)
+ {
+ case 0:
+ if (!we_append_event(wes, event, EVENT_READ, arg))
+ {
+ goto err;
+ }
+ break;
+
+ case 1:
+ we_set_event(wes, one, event, EVENT_READ, arg);
+ break;
+
+ case 2:
+ we_del_index(wes, wi);
+ break;
+
+ default:
+ ASSERT(0);
+ }
+ break;
+
+ case EVENT_WRITE:
+ switch (n)
+ {
+ case 0:
+ if (!we_append_event(wes, event, EVENT_WRITE, arg))
+ {
+ goto err;
+ }
+ break;
+
+ case 1:
+ we_set_event(wes, one, event, EVENT_WRITE, arg);
+ break;
+
+ case 2:
+ we_del_index(wes, ri);
+ break;
+
+ default:
+ ASSERT(0);
+ }
+ break;
+
+ case EVENT_READ|EVENT_WRITE:
+ switch (n)
+ {
+ case 0:
+ if (!we_append_event(wes, event, EVENT_READ|EVENT_WRITE, arg))
+ {
+ goto err;
+ }
+ break;
+
+ case 1:
+ if (ri == -1)
+ {
+ ASSERT(wi != -1);
+ if (!we_append_event(wes, event, EVENT_READ, arg))
+ {
+ goto err;
+ }
+ }
+ else if (wi == -1)
+ {
+ if (!we_append_event(wes, event, EVENT_WRITE, arg))
+ {
+ goto err;
+ }
+ }
+ else
+ {
+ ASSERT(0);
+ }
+ break;
+
+ case 2:
+ break;
+
+ default:
+ ASSERT(0);
+ }
+ break;
+
+ default:
+ msg(M_FATAL, "fatal error in we_ctl: rwflags=%d", rwflags);
+ }
}
- return;
+ return;
- err:
- msg (D_EVENT_ERRORS, "Error: Windows resource limit WSA_MAXIMUM_WAIT_EVENTS (%d) has been exceeded", WSA_MAXIMUM_WAIT_EVENTS);
+err:
+ msg(D_EVENT_ERRORS, "Error: Windows resource limit WSA_MAXIMUM_WAIT_EVENTS (%d) has been exceeded", WSA_MAXIMUM_WAIT_EVENTS);
}
static int
-we_wait (struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
+we_wait(struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
{
- struct we_set *wes = (struct we_set *) es;
- const int timeout = tv_to_ms_timeout (tv);
- DWORD status;
+ struct we_set *wes = (struct we_set *) es;
+ const int timeout = tv_to_ms_timeout(tv);
+ DWORD status;
- dmsg (D_EVENT_WAIT, "WE_WAIT enter n=%d to=%d", wes->n_events, timeout);
+ dmsg(D_EVENT_WAIT, "WE_WAIT enter n=%d to=%d", wes->n_events, timeout);
#ifdef ENABLE_DEBUG
- if (check_debug_level (D_EVENT_WAIT)) {
- int i;
- for (i = 0; i < wes->n_events; ++i)
- dmsg (D_EVENT_WAIT, "[%d] ev=%p rwflags=0x%04x arg=" ptr_format,
- i,
- wes->events[i],
- wes->esr[i].rwflags,
- (ptr_type)wes->esr[i].arg);
- }
+ if (check_debug_level(D_EVENT_WAIT))
+ {
+ int i;
+ for (i = 0; i < wes->n_events; ++i)
+ dmsg(D_EVENT_WAIT, "[%d] ev=%p rwflags=0x%04x arg=" ptr_format,
+ i,
+ wes->events[i],
+ wes->esr[i].rwflags,
+ (ptr_type)wes->esr[i].arg);
+ }
#endif
- /*
- * First poll our event list with 0 timeout
- */
- status = WSAWaitForMultipleEvents(
- (DWORD) wes->n_events,
- wes->events,
- FALSE,
- (DWORD) 0,
- FALSE);
-
- /*
- * If at least one event is already set, we must
- * individually poll the whole list.
- */
- if (status >= WSA_WAIT_EVENT_0 && status < WSA_WAIT_EVENT_0 + (DWORD) wes->n_events)
+ /*
+ * First poll our event list with 0 timeout
+ */
+ status = WSAWaitForMultipleEvents(
+ (DWORD) wes->n_events,
+ wes->events,
+ FALSE,
+ (DWORD) 0,
+ FALSE);
+
+ /*
+ * If at least one event is already set, we must
+ * individually poll the whole list.
+ */
+ if (status >= WSA_WAIT_EVENT_0 && status < WSA_WAIT_EVENT_0 + (DWORD) wes->n_events)
{
- int i;
- int j = 0;
- for (i = 0; i < wes->n_events; ++i)
- {
- if (j >= outlen)
- break;
- if (WaitForSingleObject (wes->events[i], 0) == WAIT_OBJECT_0)
- {
- *out = wes->esr[i];
- dmsg (D_EVENT_WAIT, "WE_WAIT leave [%d,%d] rwflags=0x%04x arg=" ptr_format,
- i, j, out->rwflags, (ptr_type)out->arg);
- ++j;
- ++out;
- }
- }
- return j;
+ int i;
+ int j = 0;
+ for (i = 0; i < wes->n_events; ++i)
+ {
+ if (j >= outlen)
+ {
+ break;
+ }
+ if (WaitForSingleObject(wes->events[i], 0) == WAIT_OBJECT_0)
+ {
+ *out = wes->esr[i];
+ dmsg(D_EVENT_WAIT, "WE_WAIT leave [%d,%d] rwflags=0x%04x arg=" ptr_format,
+ i, j, out->rwflags, (ptr_type)out->arg);
+ ++j;
+ ++out;
+ }
+ }
+ return j;
}
- else
+ else
{
- /*
- * If caller specified timeout > 0, we know at this point
- * that no events are set, so wait only for the first event
- * (or timeout) and return at most one event_set_return object.
- *
- * If caller specified timeout == 0, the second call to
- * WSAWaitForMultipleEvents would be redundant -- just
- * return 0 indicating timeout.
- */
- if (timeout > 0)
- status = WSAWaitForMultipleEvents(
- (DWORD) wes->n_events,
- wes->events,
- FALSE,
- (DWORD) timeout,
- FALSE);
-
- if (outlen >= 1 && status >= WSA_WAIT_EVENT_0 && status < WSA_WAIT_EVENT_0 + (DWORD) wes->n_events)
- {
- *out = wes->esr[status - WSA_WAIT_EVENT_0];
- dmsg (D_EVENT_WAIT, "WE_WAIT leave rwflags=0x%04x arg=" ptr_format,
- out->rwflags, (ptr_type)out->arg);
- return 1;
- }
- else if (status == WSA_WAIT_TIMEOUT)
- return 0;
- else
- return -1;
+ /*
+ * If caller specified timeout > 0, we know at this point
+ * that no events are set, so wait only for the first event
+ * (or timeout) and return at most one event_set_return object.
+ *
+ * If caller specified timeout == 0, the second call to
+ * WSAWaitForMultipleEvents would be redundant -- just
+ * return 0 indicating timeout.
+ */
+ if (timeout > 0)
+ {
+ status = WSAWaitForMultipleEvents(
+ (DWORD) wes->n_events,
+ wes->events,
+ FALSE,
+ (DWORD) timeout,
+ FALSE);
+ }
+
+ if (outlen >= 1 && status >= WSA_WAIT_EVENT_0 && status < WSA_WAIT_EVENT_0 + (DWORD) wes->n_events)
+ {
+ *out = wes->esr[status - WSA_WAIT_EVENT_0];
+ dmsg(D_EVENT_WAIT, "WE_WAIT leave rwflags=0x%04x arg=" ptr_format,
+ out->rwflags, (ptr_type)out->arg);
+ return 1;
+ }
+ else if (status == WSA_WAIT_TIMEOUT)
+ {
+ return 0;
+ }
+ else
+ {
+ return -1;
+ }
}
}
static struct event_set *
-we_init (int *maxevents, unsigned int flags)
+we_init(int *maxevents, unsigned int flags)
{
- struct we_set *wes;
+ struct we_set *wes;
- dmsg (D_EVENT_WAIT, "WE_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
+ dmsg(D_EVENT_WAIT, "WE_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
- ALLOC_OBJ_CLEAR (wes, struct we_set);
+ ALLOC_OBJ_CLEAR(wes, struct we_set);
- /* set dispatch functions */
- wes->func.free = we_free;
- wes->func.reset = we_reset;
- wes->func.del = we_del;
- wes->func.ctl = we_ctl;
- wes->func.wait = we_wait;
+ /* set dispatch functions */
+ wes->func.free = we_free;
+ wes->func.reset = we_reset;
+ wes->func.del = we_del;
+ wes->func.ctl = we_ctl;
+ wes->func.wait = we_wait;
- if (flags & EVENT_METHOD_FAST)
- wes->fast = true;
- wes->n_events = 0;
+ if (flags & EVENT_METHOD_FAST)
+ {
+ wes->fast = true;
+ }
+ wes->n_events = 0;
- /* Figure our event capacity */
- ASSERT (*maxevents > 0);
- wes->capacity = min_int (*maxevents * 2, WSA_MAXIMUM_WAIT_EVENTS);
- *maxevents = min_int (*maxevents, WSA_MAXIMUM_WAIT_EVENTS);
+ /* Figure our event capacity */
+ ASSERT(*maxevents > 0);
+ wes->capacity = min_int(*maxevents * 2, WSA_MAXIMUM_WAIT_EVENTS);
+ *maxevents = min_int(*maxevents, WSA_MAXIMUM_WAIT_EVENTS);
- /* Allocate space for Win32 event handles */
- ALLOC_ARRAY_CLEAR (wes->events, HANDLE, wes->capacity);
+ /* Allocate space for Win32 event handles */
+ ALLOC_ARRAY_CLEAR(wes->events, HANDLE, wes->capacity);
- /* Allocate space for event_set_return objects */
- ALLOC_ARRAY_CLEAR (wes->esr, struct event_set_return, wes->capacity);
+ /* Allocate space for event_set_return objects */
+ ALLOC_ARRAY_CLEAR(wes->esr, struct event_set_return, wes->capacity);
- dmsg (D_EVENT_WAIT, "WE_INIT maxevents=%d capacity=%d",
- *maxevents, wes->capacity);
+ dmsg(D_EVENT_WAIT, "WE_INIT maxevents=%d capacity=%d",
+ *maxevents, wes->capacity);
- return (struct event_set *) wes;
+ return (struct event_set *) wes;
}
#endif /* _WIN32 */
@@ -468,145 +521,163 @@ we_init (int *maxevents, unsigned int flags)
struct ep_set
{
- struct event_set_functions func;
- bool fast;
- int epfd;
- int maxevents;
- struct epoll_event *events;
+ struct event_set_functions func;
+ bool fast;
+ int epfd;
+ int maxevents;
+ struct epoll_event *events;
};
static void
-ep_free (struct event_set *es)
+ep_free(struct event_set *es)
{
- struct ep_set *eps = (struct ep_set *) es;
- close (eps->epfd);
- free (eps->events);
- free (eps);
+ struct ep_set *eps = (struct ep_set *) es;
+ close(eps->epfd);
+ free(eps->events);
+ free(eps);
}
static void
-ep_reset (struct event_set *es)
+ep_reset(struct event_set *es)
{
- const struct ep_set *eps = (struct ep_set *) es;
- ASSERT (eps->fast);
+ const struct ep_set *eps = (struct ep_set *) es;
+ ASSERT(eps->fast);
}
static void
-ep_del (struct event_set *es, event_t event)
+ep_del(struct event_set *es, event_t event)
{
- struct epoll_event ev;
- struct ep_set *eps = (struct ep_set *) es;
+ struct epoll_event ev;
+ struct ep_set *eps = (struct ep_set *) es;
- dmsg (D_EVENT_WAIT, "EP_DEL ev=%d", (int)event);
+ dmsg(D_EVENT_WAIT, "EP_DEL ev=%d", (int)event);
- ASSERT (!eps->fast);
- CLEAR (ev);
- epoll_ctl (eps->epfd, EPOLL_CTL_DEL, event, &ev);
+ ASSERT(!eps->fast);
+ CLEAR(ev);
+ epoll_ctl(eps->epfd, EPOLL_CTL_DEL, event, &ev);
}
static void
-ep_ctl (struct event_set *es, event_t event, unsigned int rwflags, void *arg)
+ep_ctl(struct event_set *es, event_t event, unsigned int rwflags, void *arg)
{
- struct ep_set *eps = (struct ep_set *) es;
- struct epoll_event ev;
+ struct ep_set *eps = (struct ep_set *) es;
+ struct epoll_event ev;
- CLEAR (ev);
+ CLEAR(ev);
- ev.data.ptr = arg;
- if (rwflags & EVENT_READ)
- ev.events |= EPOLLIN;
- if (rwflags & EVENT_WRITE)
- ev.events |= EPOLLOUT;
+ ev.data.ptr = arg;
+ if (rwflags & EVENT_READ)
+ {
+ ev.events |= EPOLLIN;
+ }
+ if (rwflags & EVENT_WRITE)
+ {
+ ev.events |= EPOLLOUT;
+ }
- dmsg (D_EVENT_WAIT, "EP_CTL fd=%d rwflags=0x%04x ev=0x%08x arg=" ptr_format,
- (int)event,
- rwflags,
- (unsigned int)ev.events,
- (ptr_type)ev.data.ptr);
+ dmsg(D_EVENT_WAIT, "EP_CTL fd=%d rwflags=0x%04x ev=0x%08x arg=" ptr_format,
+ (int)event,
+ rwflags,
+ (unsigned int)ev.events,
+ (ptr_type)ev.data.ptr);
- if (epoll_ctl (eps->epfd, EPOLL_CTL_MOD, event, &ev) < 0)
+ if (epoll_ctl(eps->epfd, EPOLL_CTL_MOD, event, &ev) < 0)
{
- if (errno == ENOENT)
- {
- if (epoll_ctl (eps->epfd, EPOLL_CTL_ADD, event, &ev) < 0)
- msg (M_ERR, "EVENT: epoll_ctl EPOLL_CTL_ADD failed, sd=%d", (int)event);
- }
- else
- msg (M_ERR, "EVENT: epoll_ctl EPOLL_CTL_MOD failed, sd=%d", (int)event);
+ if (errno == ENOENT)
+ {
+ if (epoll_ctl(eps->epfd, EPOLL_CTL_ADD, event, &ev) < 0)
+ {
+ msg(M_ERR, "EVENT: epoll_ctl EPOLL_CTL_ADD failed, sd=%d", (int)event);
+ }
+ }
+ else
+ {
+ msg(M_ERR, "EVENT: epoll_ctl EPOLL_CTL_MOD failed, sd=%d", (int)event);
+ }
}
}
static int
-ep_wait (struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
+ep_wait(struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
{
- struct ep_set *eps = (struct ep_set *) es;
- int stat;
+ struct ep_set *eps = (struct ep_set *) es;
+ int stat;
- if (outlen > eps->maxevents)
- outlen = eps->maxevents;
+ if (outlen > eps->maxevents)
+ {
+ outlen = eps->maxevents;
+ }
- stat = epoll_wait (eps->epfd, eps->events, outlen, tv_to_ms_timeout (tv));
- ASSERT (stat <= outlen);
+ stat = epoll_wait(eps->epfd, eps->events, outlen, tv_to_ms_timeout(tv));
+ ASSERT(stat <= outlen);
- if (stat > 0)
+ if (stat > 0)
{
- int i;
- const struct epoll_event *ev = eps->events;
- struct event_set_return *esr = out;
- for (i = 0; i < stat; ++i)
- {
- esr->rwflags = 0;
- if (ev->events & (EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP))
- esr->rwflags |= EVENT_READ;
- if (ev->events & EPOLLOUT)
- esr->rwflags |= EVENT_WRITE;
- esr->arg = ev->data.ptr;
- dmsg (D_EVENT_WAIT, "EP_WAIT[%d] rwflags=0x%04x ev=0x%08x arg=" ptr_format,
- i, esr->rwflags, ev->events, (ptr_type)ev->data.ptr);
- ++ev;
- ++esr;
- }
+ int i;
+ const struct epoll_event *ev = eps->events;
+ struct event_set_return *esr = out;
+ for (i = 0; i < stat; ++i)
+ {
+ esr->rwflags = 0;
+ if (ev->events & (EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP))
+ {
+ esr->rwflags |= EVENT_READ;
+ }
+ if (ev->events & EPOLLOUT)
+ {
+ esr->rwflags |= EVENT_WRITE;
+ }
+ esr->arg = ev->data.ptr;
+ dmsg(D_EVENT_WAIT, "EP_WAIT[%d] rwflags=0x%04x ev=0x%08x arg=" ptr_format,
+ i, esr->rwflags, ev->events, (ptr_type)ev->data.ptr);
+ ++ev;
+ ++esr;
+ }
}
- return stat;
+ return stat;
}
static struct event_set *
-ep_init (int *maxevents, unsigned int flags)
+ep_init(int *maxevents, unsigned int flags)
{
- struct ep_set *eps;
- int fd;
+ struct ep_set *eps;
+ int fd;
- dmsg (D_EVENT_WAIT, "EP_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
+ dmsg(D_EVENT_WAIT, "EP_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
- /* open epoll file descriptor */
- fd = epoll_create (*maxevents);
- if (fd < 0)
- return NULL;
+ /* open epoll file descriptor */
+ fd = epoll_create(*maxevents);
+ if (fd < 0)
+ {
+ return NULL;
+ }
- set_cloexec (fd);
+ set_cloexec(fd);
- ALLOC_OBJ_CLEAR (eps, struct ep_set);
+ ALLOC_OBJ_CLEAR(eps, struct ep_set);
- /* set dispatch functions */
- eps->func.free = ep_free;
- eps->func.reset = ep_reset;
- eps->func.del = ep_del;
- eps->func.ctl = ep_ctl;
- eps->func.wait = ep_wait;
+ /* set dispatch functions */
+ eps->func.free = ep_free;
+ eps->func.reset = ep_reset;
+ eps->func.del = ep_del;
+ eps->func.ctl = ep_ctl;
+ eps->func.wait = ep_wait;
- /* fast method ("sort of") corresponds to epoll one-shot */
- if (flags & EVENT_METHOD_FAST)
- eps->fast = true;
+ /* fast method ("sort of") corresponds to epoll one-shot */
+ if (flags & EVENT_METHOD_FAST)
+ {
+ eps->fast = true;
+ }
- /* allocate space for epoll_wait return */
- ASSERT (*maxevents > 0);
- eps->maxevents = *maxevents;
- ALLOC_ARRAY_CLEAR (eps->events, struct epoll_event, eps->maxevents);
+ /* allocate space for epoll_wait return */
+ ASSERT(*maxevents > 0);
+ eps->maxevents = *maxevents;
+ ALLOC_ARRAY_CLEAR(eps->events, struct epoll_event, eps->maxevents);
- /* set epoll control fd */
- eps->epfd = fd;
+ /* set epoll control fd */
+ eps->epfd = fd;
- return (struct event_set *) eps;
+ return (struct event_set *) eps;
}
#endif /* EPOLL */
@@ -614,191 +685,207 @@ ep_init (int *maxevents, unsigned int flags)
struct po_set
{
- struct event_set_functions func;
- bool fast;
- struct pollfd *events;
- void **args;
- int n_events;
- int capacity;
+ struct event_set_functions func;
+ bool fast;
+ struct pollfd *events;
+ void **args;
+ int n_events;
+ int capacity;
};
static void
-po_free (struct event_set *es)
+po_free(struct event_set *es)
{
- struct po_set *pos = (struct po_set *) es;
- free (pos->events);
- free (pos->args);
- free (pos);
+ struct po_set *pos = (struct po_set *) es;
+ free(pos->events);
+ free(pos->args);
+ free(pos);
}
static void
-po_reset (struct event_set *es)
+po_reset(struct event_set *es)
{
- struct po_set *pos = (struct po_set *) es;
- ASSERT (pos->fast);
- pos->n_events = 0;
+ struct po_set *pos = (struct po_set *) es;
+ ASSERT(pos->fast);
+ pos->n_events = 0;
}
static void
-po_del (struct event_set *es, event_t event)
+po_del(struct event_set *es, event_t event)
{
- struct po_set *pos = (struct po_set *) es;
- int i;
+ struct po_set *pos = (struct po_set *) es;
+ int i;
- dmsg (D_EVENT_WAIT, "PO_DEL ev=%d", (int)event);
+ dmsg(D_EVENT_WAIT, "PO_DEL ev=%d", (int)event);
- ASSERT (!pos->fast);
- for (i = 0; i < pos->n_events; ++i)
+ ASSERT(!pos->fast);
+ for (i = 0; i < pos->n_events; ++i)
{
- if (pos->events[i].fd == event)
- {
- int j;
- for (j = i; j < pos->n_events - 1; ++j)
- {
- pos->events[j] = pos->events[j+1];
- pos->args[j] = pos->args[j+1];
- }
- --pos->n_events;
- break;
- }
+ if (pos->events[i].fd == event)
+ {
+ int j;
+ for (j = i; j < pos->n_events - 1; ++j)
+ {
+ pos->events[j] = pos->events[j+1];
+ pos->args[j] = pos->args[j+1];
+ }
+ --pos->n_events;
+ break;
+ }
}
}
static inline void
-po_set_pollfd_events (struct pollfd *pfdp, unsigned int rwflags)
+po_set_pollfd_events(struct pollfd *pfdp, unsigned int rwflags)
{
- pfdp->events = 0;
- if (rwflags & EVENT_WRITE)
- pfdp->events |= POLLOUT;
- if (rwflags & EVENT_READ)
- pfdp->events |= (POLLIN|POLLPRI);
+ pfdp->events = 0;
+ if (rwflags & EVENT_WRITE)
+ {
+ pfdp->events |= POLLOUT;
+ }
+ if (rwflags & EVENT_READ)
+ {
+ pfdp->events |= (POLLIN|POLLPRI);
+ }
}
static inline bool
-po_append_event (struct po_set *pos, event_t event, unsigned int rwflags, void *arg)
+po_append_event(struct po_set *pos, event_t event, unsigned int rwflags, void *arg)
{
- if (pos->n_events < pos->capacity)
+ if (pos->n_events < pos->capacity)
{
- struct pollfd *pfdp = &pos->events[pos->n_events];
- pfdp->fd = event;
- pos->args[pos->n_events] = arg;
- po_set_pollfd_events (pfdp, rwflags);
- ++pos->n_events;
- return true;
+ struct pollfd *pfdp = &pos->events[pos->n_events];
+ pfdp->fd = event;
+ pos->args[pos->n_events] = arg;
+ po_set_pollfd_events(pfdp, rwflags);
+ ++pos->n_events;
+ return true;
+ }
+ else
+ {
+ return false;
}
- else
- return false;
}
static void
-po_ctl (struct event_set *es, event_t event, unsigned int rwflags, void *arg)
+po_ctl(struct event_set *es, event_t event, unsigned int rwflags, void *arg)
{
- struct po_set *pos = (struct po_set *) es;
+ struct po_set *pos = (struct po_set *) es;
- dmsg (D_EVENT_WAIT, "PO_CTL rwflags=0x%04x ev=%d arg=" ptr_format,
- rwflags, (int)event, (ptr_type)arg);
+ dmsg(D_EVENT_WAIT, "PO_CTL rwflags=0x%04x ev=%d arg=" ptr_format,
+ rwflags, (int)event, (ptr_type)arg);
- if (pos->fast)
+ if (pos->fast)
{
- if (!po_append_event (pos, event, rwflags, arg))
- goto err;
+ if (!po_append_event(pos, event, rwflags, arg))
+ {
+ goto err;
+ }
}
- else
+ else
{
- int i;
- for (i = 0; i < pos->n_events; ++i)
- {
- struct pollfd *pfdp = &pos->events[i];
- if (pfdp->fd == event)
- {
- pos->args[i] = arg;
- po_set_pollfd_events (pfdp, rwflags);
- goto done;
- }
- }
- if (!po_append_event (pos, event, rwflags, arg))
- goto err;
+ int i;
+ for (i = 0; i < pos->n_events; ++i)
+ {
+ struct pollfd *pfdp = &pos->events[i];
+ if (pfdp->fd == event)
+ {
+ pos->args[i] = arg;
+ po_set_pollfd_events(pfdp, rwflags);
+ goto done;
+ }
+ }
+ if (!po_append_event(pos, event, rwflags, arg))
+ {
+ goto err;
+ }
}
- done:
- return;
+done:
+ return;
- err:
- msg (D_EVENT_ERRORS, "Error: poll: too many I/O wait events");
+err:
+ msg(D_EVENT_ERRORS, "Error: poll: too many I/O wait events");
}
static int
-po_wait (struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
+po_wait(struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
{
- struct po_set *pos = (struct po_set *) es;
- int stat;
+ struct po_set *pos = (struct po_set *) es;
+ int stat;
- stat = poll (pos->events, pos->n_events, tv_to_ms_timeout (tv));
+ stat = poll(pos->events, pos->n_events, tv_to_ms_timeout(tv));
- ASSERT (stat <= pos->n_events);
+ ASSERT(stat <= pos->n_events);
- if (stat > 0)
+ if (stat > 0)
{
- int i, j=0;
- const struct pollfd *pfdp = pos->events;
- for (i = 0; i < pos->n_events && j < outlen; ++i)
- {
- if (pfdp->revents & (POLLIN|POLLPRI|POLLERR|POLLHUP|POLLOUT))
- {
- out->rwflags = 0;
- if (pfdp->revents & (POLLIN|POLLPRI|POLLERR|POLLHUP))
- out->rwflags |= EVENT_READ;
- if (pfdp->revents & POLLOUT)
- out->rwflags |= EVENT_WRITE;
- out->arg = pos->args[i];
- dmsg (D_EVENT_WAIT, "PO_WAIT[%d,%d] fd=%d rev=0x%08x rwflags=0x%04x arg=" ptr_format " %s",
- i, j, pfdp->fd, pfdp->revents, out->rwflags, (ptr_type)out->arg, pos->fast ? "" : "[scalable]");
- ++out;
- ++j;
- }
- else if (pfdp->revents)
- {
- msg (D_EVENT_ERRORS, "Error: poll: unknown revents=0x%04x", (unsigned int)pfdp->revents);
- }
- ++pfdp;
- }
- return j;
+ int i, j = 0;
+ const struct pollfd *pfdp = pos->events;
+ for (i = 0; i < pos->n_events && j < outlen; ++i)
+ {
+ if (pfdp->revents & (POLLIN|POLLPRI|POLLERR|POLLHUP|POLLOUT))
+ {
+ out->rwflags = 0;
+ if (pfdp->revents & (POLLIN|POLLPRI|POLLERR|POLLHUP))
+ {
+ out->rwflags |= EVENT_READ;
+ }
+ if (pfdp->revents & POLLOUT)
+ {
+ out->rwflags |= EVENT_WRITE;
+ }
+ out->arg = pos->args[i];
+ dmsg(D_EVENT_WAIT, "PO_WAIT[%d,%d] fd=%d rev=0x%08x rwflags=0x%04x arg=" ptr_format " %s",
+ i, j, pfdp->fd, pfdp->revents, out->rwflags, (ptr_type)out->arg, pos->fast ? "" : "[scalable]");
+ ++out;
+ ++j;
+ }
+ else if (pfdp->revents)
+ {
+ msg(D_EVENT_ERRORS, "Error: poll: unknown revents=0x%04x", (unsigned int)pfdp->revents);
+ }
+ ++pfdp;
+ }
+ return j;
}
- return stat;
+ return stat;
}
static struct event_set *
-po_init (int *maxevents, unsigned int flags)
+po_init(int *maxevents, unsigned int flags)
{
- struct po_set *pos;
+ struct po_set *pos;
- dmsg (D_EVENT_WAIT, "PO_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
+ dmsg(D_EVENT_WAIT, "PO_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
- ALLOC_OBJ_CLEAR (pos, struct po_set);
+ ALLOC_OBJ_CLEAR(pos, struct po_set);
- /* set dispatch functions */
- pos->func.free = po_free;
- pos->func.reset = po_reset;
- pos->func.del = po_del;
- pos->func.ctl = po_ctl;
- pos->func.wait = po_wait;
+ /* set dispatch functions */
+ pos->func.free = po_free;
+ pos->func.reset = po_reset;
+ pos->func.del = po_del;
+ pos->func.ctl = po_ctl;
+ pos->func.wait = po_wait;
- if (flags & EVENT_METHOD_FAST)
- pos->fast = true;
+ if (flags & EVENT_METHOD_FAST)
+ {
+ pos->fast = true;
+ }
- pos->n_events = 0;
+ pos->n_events = 0;
- /* Figure our event capacity */
- ASSERT (*maxevents > 0);
- pos->capacity = *maxevents;
+ /* Figure our event capacity */
+ ASSERT(*maxevents > 0);
+ pos->capacity = *maxevents;
- /* Allocate space for pollfd structures to be passed to poll() */
- ALLOC_ARRAY_CLEAR (pos->events, struct pollfd, pos->capacity);
+ /* Allocate space for pollfd structures to be passed to poll() */
+ ALLOC_ARRAY_CLEAR(pos->events, struct pollfd, pos->capacity);
- /* Allocate space for event_set_return objects */
- ALLOC_ARRAY_CLEAR (pos->args, void *, pos->capacity);
+ /* Allocate space for event_set_return objects */
+ ALLOC_ARRAY_CLEAR(pos->args, void *, pos->capacity);
- return (struct event_set *) pos;
+ return (struct event_set *) pos;
}
#endif /* POLL */
@@ -806,259 +893,295 @@ po_init (int *maxevents, unsigned int flags)
struct se_set
{
- struct event_set_functions func;
- bool fast;
- fd_set readfds;
- fd_set writefds;
- void **args; /* allocated to capacity size */
- int maxfd; /* largest fd seen so far, always < capacity */
- int capacity; /* fixed largest fd + 1 */
+ struct event_set_functions func;
+ bool fast;
+ fd_set readfds;
+ fd_set writefds;
+ void **args; /* allocated to capacity size */
+ int maxfd; /* largest fd seen so far, always < capacity */
+ int capacity; /* fixed largest fd + 1 */
};
static void
-se_free (struct event_set *es)
+se_free(struct event_set *es)
{
- struct se_set *ses = (struct se_set *) es;
- free (ses->args);
- free (ses);
+ struct se_set *ses = (struct se_set *) es;
+ free(ses->args);
+ free(ses);
}
static void
-se_reset (struct event_set *es)
+se_reset(struct event_set *es)
{
- struct se_set *ses = (struct se_set *) es;
- int i;
- ASSERT (ses->fast);
-
- dmsg (D_EVENT_WAIT, "SE_RESET");
-
- FD_ZERO (&ses->readfds);
- FD_ZERO (&ses->writefds);
- for (i = 0; i <= ses->maxfd; ++i)
- ses->args[i] = NULL;
- ses->maxfd = -1;
+ struct se_set *ses = (struct se_set *) es;
+ int i;
+ ASSERT(ses->fast);
+
+ dmsg(D_EVENT_WAIT, "SE_RESET");
+
+ FD_ZERO(&ses->readfds);
+ FD_ZERO(&ses->writefds);
+ for (i = 0; i <= ses->maxfd; ++i)
+ ses->args[i] = NULL;
+ ses->maxfd = -1;
}
static void
-se_del (struct event_set *es, event_t event)
+se_del(struct event_set *es, event_t event)
{
- struct se_set *ses = (struct se_set *) es;
- ASSERT (!ses->fast);
+ struct se_set *ses = (struct se_set *) es;
+ ASSERT(!ses->fast);
- dmsg (D_EVENT_WAIT, "SE_DEL ev=%d", (int)event);
+ dmsg(D_EVENT_WAIT, "SE_DEL ev=%d", (int)event);
- if (event >= 0 && event < ses->capacity)
+ if (event >= 0 && event < ses->capacity)
+ {
+ FD_CLR(event, &ses->readfds);
+ FD_CLR(event, &ses->writefds);
+ ses->args[event] = NULL;
+ }
+ else
{
- FD_CLR (event, &ses->readfds);
- FD_CLR (event, &ses->writefds);
- ses->args[event] = NULL;
+ msg(D_EVENT_ERRORS, "Error: select/se_del: too many I/O wait events");
}
- else
- msg (D_EVENT_ERRORS, "Error: select/se_del: too many I/O wait events");
- return;
+ return;
}
static void
-se_ctl (struct event_set *es, event_t event, unsigned int rwflags, void *arg)
+se_ctl(struct event_set *es, event_t event, unsigned int rwflags, void *arg)
{
- struct se_set *ses = (struct se_set *) es;
+ struct se_set *ses = (struct se_set *) es;
- dmsg (D_EVENT_WAIT, "SE_CTL rwflags=0x%04x ev=%d fast=%d cap=%d maxfd=%d arg=" ptr_format,
- rwflags, (int)event, (int)ses->fast, ses->capacity, ses->maxfd, (ptr_type)arg);
+ dmsg(D_EVENT_WAIT, "SE_CTL rwflags=0x%04x ev=%d fast=%d cap=%d maxfd=%d arg=" ptr_format,
+ rwflags, (int)event, (int)ses->fast, ses->capacity, ses->maxfd, (ptr_type)arg);
- if (event >= 0 && event < ses->capacity)
+ if (event >= 0 && event < ses->capacity)
{
- ses->maxfd = max_int (event, ses->maxfd);
- ses->args[event] = arg;
- if (ses->fast)
- {
- if (rwflags & EVENT_READ)
- openvpn_fd_set (event, &ses->readfds);
- if (rwflags & EVENT_WRITE)
- openvpn_fd_set (event, &ses->writefds);
- }
- else
- {
- if (rwflags & EVENT_READ)
- openvpn_fd_set (event, &ses->readfds);
- else
- FD_CLR (event, &ses->readfds);
- if (rwflags & EVENT_WRITE)
- openvpn_fd_set (event, &ses->writefds);
- else
- FD_CLR (event, &ses->writefds);
- }
+ ses->maxfd = max_int(event, ses->maxfd);
+ ses->args[event] = arg;
+ if (ses->fast)
+ {
+ if (rwflags & EVENT_READ)
+ {
+ openvpn_fd_set(event, &ses->readfds);
+ }
+ if (rwflags & EVENT_WRITE)
+ {
+ openvpn_fd_set(event, &ses->writefds);
+ }
+ }
+ else
+ {
+ if (rwflags & EVENT_READ)
+ {
+ openvpn_fd_set(event, &ses->readfds);
+ }
+ else
+ {
+ FD_CLR(event, &ses->readfds);
+ }
+ if (rwflags & EVENT_WRITE)
+ {
+ openvpn_fd_set(event, &ses->writefds);
+ }
+ else
+ {
+ FD_CLR(event, &ses->writefds);
+ }
+ }
}
- else
+ else
{
- msg (D_EVENT_ERRORS, "Error: select: too many I/O wait events, fd=%d cap=%d",
- (int) event,
- ses->capacity);
+ msg(D_EVENT_ERRORS, "Error: select: too many I/O wait events, fd=%d cap=%d",
+ (int) event,
+ ses->capacity);
}
}
static int
-se_wait_return (struct se_set *ses,
- fd_set *read,
- fd_set *write,
- struct event_set_return *out,
- int outlen)
+se_wait_return(struct se_set *ses,
+ fd_set *read,
+ fd_set *write,
+ struct event_set_return *out,
+ int outlen)
{
- int i, j = 0;
- for (i = 0; i <= ses->maxfd && j < outlen; ++i)
+ int i, j = 0;
+ for (i = 0; i <= ses->maxfd && j < outlen; ++i)
{
- const bool r = FD_ISSET (i, read);
- const bool w = FD_ISSET (i, write);
- if (r || w)
- {
- out->rwflags = 0;
- if (r)
- out->rwflags |= EVENT_READ;
- if (w)
- out->rwflags |= EVENT_WRITE;
- out->arg = ses->args[i];
- dmsg (D_EVENT_WAIT, "SE_WAIT[%d,%d] rwflags=0x%04x arg=" ptr_format,
- i, j, out->rwflags, (ptr_type)out->arg);
- ++out;
- ++j;
- }
+ const bool r = FD_ISSET(i, read);
+ const bool w = FD_ISSET(i, write);
+ if (r || w)
+ {
+ out->rwflags = 0;
+ if (r)
+ {
+ out->rwflags |= EVENT_READ;
+ }
+ if (w)
+ {
+ out->rwflags |= EVENT_WRITE;
+ }
+ out->arg = ses->args[i];
+ dmsg(D_EVENT_WAIT, "SE_WAIT[%d,%d] rwflags=0x%04x arg=" ptr_format,
+ i, j, out->rwflags, (ptr_type)out->arg);
+ ++out;
+ ++j;
+ }
}
- return j;
+ return j;
}
static int
-se_wait_fast (struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
+se_wait_fast(struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
{
- struct se_set *ses = (struct se_set *) es;
- struct timeval tv_tmp = *tv;
- int stat;
+ struct se_set *ses = (struct se_set *) es;
+ struct timeval tv_tmp = *tv;
+ int stat;
- dmsg (D_EVENT_WAIT, "SE_WAIT_FAST maxfd=%d tv=%d/%d",
- ses->maxfd,
- (int)tv_tmp.tv_sec,
- (int)tv_tmp.tv_usec);
+ dmsg(D_EVENT_WAIT, "SE_WAIT_FAST maxfd=%d tv=%d/%d",
+ ses->maxfd,
+ (int)tv_tmp.tv_sec,
+ (int)tv_tmp.tv_usec);
- stat = select (ses->maxfd + 1, &ses->readfds, &ses->writefds, NULL, &tv_tmp);
+ stat = select(ses->maxfd + 1, &ses->readfds, &ses->writefds, NULL, &tv_tmp);
- if (stat > 0)
- stat = se_wait_return (ses, &ses->readfds, &ses->writefds, out, outlen);
+ if (stat > 0)
+ {
+ stat = se_wait_return(ses, &ses->readfds, &ses->writefds, out, outlen);
+ }
- return stat;
+ return stat;
}
static int
-se_wait_scalable (struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
+se_wait_scalable(struct event_set *es, const struct timeval *tv, struct event_set_return *out, int outlen)
{
- struct se_set *ses = (struct se_set *) es;
- struct timeval tv_tmp = *tv;
- fd_set read = ses->readfds;
- fd_set write = ses->writefds;
- int stat;
+ struct se_set *ses = (struct se_set *) es;
+ struct timeval tv_tmp = *tv;
+ fd_set read = ses->readfds;
+ fd_set write = ses->writefds;
+ int stat;
- dmsg (D_EVENT_WAIT, "SE_WAIT_SCALEABLE maxfd=%d tv=%d/%d",
- ses->maxfd, (int)tv_tmp.tv_sec, (int)tv_tmp.tv_usec);
+ dmsg(D_EVENT_WAIT, "SE_WAIT_SCALEABLE maxfd=%d tv=%d/%d",
+ ses->maxfd, (int)tv_tmp.tv_sec, (int)tv_tmp.tv_usec);
- stat = select (ses->maxfd + 1, &read, &write, NULL, &tv_tmp);
+ stat = select(ses->maxfd + 1, &read, &write, NULL, &tv_tmp);
- if (stat > 0)
- stat = se_wait_return (ses, &read, &write, out, outlen);
+ if (stat > 0)
+ {
+ stat = se_wait_return(ses, &read, &write, out, outlen);
+ }
- return stat;
+ return stat;
}
static struct event_set *
-se_init (int *maxevents, unsigned int flags)
+se_init(int *maxevents, unsigned int flags)
{
- struct se_set *ses;
+ struct se_set *ses;
- dmsg (D_EVENT_WAIT, "SE_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
+ dmsg(D_EVENT_WAIT, "SE_INIT maxevents=%d flags=0x%08x", *maxevents, flags);
- ALLOC_OBJ_CLEAR (ses, struct se_set);
+ ALLOC_OBJ_CLEAR(ses, struct se_set);
- /* set dispatch functions */
- ses->func.free = se_free;
- ses->func.reset = se_reset;
- ses->func.del = se_del;
- ses->func.ctl = se_ctl;
- ses->func.wait = se_wait_scalable;
+ /* set dispatch functions */
+ ses->func.free = se_free;
+ ses->func.reset = se_reset;
+ ses->func.del = se_del;
+ ses->func.ctl = se_ctl;
+ ses->func.wait = se_wait_scalable;
- if (flags & EVENT_METHOD_FAST)
+ if (flags & EVENT_METHOD_FAST)
{
- ses->fast = true;
- ses->func.wait = se_wait_fast;
+ ses->fast = true;
+ ses->func.wait = se_wait_fast;
}
- /* Select needs to be passed this value + 1 */
- ses->maxfd = -1;
+ /* Select needs to be passed this value + 1 */
+ ses->maxfd = -1;
- /* Set our event capacity */
- ASSERT (*maxevents > 0);
- *maxevents = min_int (*maxevents, SELECT_MAX_FDS);
- ses->capacity = SELECT_MAX_FDS;
+ /* Set our event capacity */
+ ASSERT(*maxevents > 0);
+ *maxevents = min_int(*maxevents, SELECT_MAX_FDS);
+ ses->capacity = SELECT_MAX_FDS;
- /* Allocate space for event_set_return void * args */
- ALLOC_ARRAY_CLEAR (ses->args, void *, ses->capacity);
+ /* Allocate space for event_set_return void * args */
+ ALLOC_ARRAY_CLEAR(ses->args, void *, ses->capacity);
- return (struct event_set *) ses;
+ return (struct event_set *) ses;
}
#endif /* SELECT */
static struct event_set *
-event_set_init_simple (int *maxevents, unsigned int flags)
+event_set_init_simple(int *maxevents, unsigned int flags)
{
- struct event_set *ret = NULL;
+ struct event_set *ret = NULL;
#ifdef _WIN32
- ret = we_init (maxevents, flags);
+ ret = we_init(maxevents, flags);
#elif POLL && SELECT
#if 0 /* Define to 1 if EVENT_METHOD_US_TIMEOUT should cause select to be favored over poll */
- if (flags & EVENT_METHOD_US_TIMEOUT)
- ret = se_init (maxevents, flags);
+ if (flags & EVENT_METHOD_US_TIMEOUT)
+ {
+ ret = se_init(maxevents, flags);
+ }
+#endif
+#ifdef SELECT_PREFERRED_OVER_POLL
+ if (!ret)
+ {
+ ret = se_init(maxevents, flags);
+ }
+ if (!ret)
+ {
+ ret = po_init(maxevents, flags);
+ }
+#else /* ifdef SELECT_PREFERRED_OVER_POLL */
+ if (!ret)
+ {
+ ret = po_init(maxevents, flags);
+ }
+ if (!ret)
+ {
+ ret = se_init(maxevents, flags);
+ }
#endif
-# ifdef SELECT_PREFERRED_OVER_POLL
- if (!ret)
- ret = se_init (maxevents, flags);
- if (!ret)
- ret = po_init (maxevents, flags);
-# else
- if (!ret)
- ret = po_init (maxevents, flags);
- if (!ret)
- ret = se_init (maxevents, flags);
-# endif
#elif POLL
- ret = po_init (maxevents, flags);
+ ret = po_init(maxevents, flags);
#elif SELECT
- ret = se_init (maxevents, flags);
-#else
+ ret = se_init(maxevents, flags);
+#else /* ifdef _WIN32 */
#error At least one of poll, select, or WSAWaitForMultipleEvents must be supported by the kernel
-#endif
- ASSERT (ret);
- return ret;
+#endif /* ifdef _WIN32 */
+ ASSERT(ret);
+ return ret;
}
static struct event_set *
-event_set_init_scalable (int *maxevents, unsigned int flags)
+event_set_init_scalable(int *maxevents, unsigned int flags)
{
- struct event_set *ret = NULL;
+ struct event_set *ret = NULL;
#if EPOLL
- ret = ep_init (maxevents, flags);
- if (!ret)
+ ret = ep_init(maxevents, flags);
+ if (!ret)
{
- msg (M_WARN, "Note: sys_epoll API is unavailable, falling back to poll/select API");
- ret = event_set_init_simple (maxevents, flags);
+ msg(M_WARN, "Note: sys_epoll API is unavailable, falling back to poll/select API");
+ ret = event_set_init_simple(maxevents, flags);
}
-#else
- ret = event_set_init_simple (maxevents, flags);
+#else /* if EPOLL */
+ ret = event_set_init_simple(maxevents, flags);
#endif
- ASSERT (ret);
- return ret;
+ ASSERT(ret);
+ return ret;
}
struct event_set *
-event_set_init (int *maxevents, unsigned int flags)
+event_set_init(int *maxevents, unsigned int flags)
{
- if (flags & EVENT_METHOD_FAST)
- return event_set_init_simple (maxevents, flags);
- else
- return event_set_init_scalable (maxevents, flags);
+ if (flags & EVENT_METHOD_FAST)
+ {
+ return event_set_init_simple(maxevents, flags);
+ }
+ else
+ {
+ return event_set_init_scalable(maxevents, flags);
+ }
}