Added kqueue support in spdyd.

configure.ac

@@ -77,11 +77,6 @@ if test "x${have_cunit}" = "xyes"; then
 fi
 
 AM_CONDITIONAL([HAVE_CUNIT], [ test "x${have_cunit}" = "xyes" ])
-AX_HAVE_EPOLL([have_epoll=yes], [have_epoll=no])
-if test "x${have_epoll}" = "xyes"; then
-  AC_DEFINE([HAVE_EPOLL], [1], [Define to 1 if you have the `epoll`.])
-fi
-AM_CONDITIONAL([HAVE_EPOLL], [ test "x${have_epoll}" = "xyes" ])
 
 # openssl (for examples)
 PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.1])
@@ -114,6 +109,15 @@ AC_CHECK_FUNCS([ \
   memset \
 ])
 
+AX_HAVE_EPOLL([have_epoll=yes], [have_epoll=no])
+if test "x${have_epoll}" = "xyes"; then
+  AC_DEFINE([HAVE_EPOLL], [1], [Define to 1 if you have the `epoll`.])
+fi
+AM_CONDITIONAL([HAVE_EPOLL], [ test "x${have_epoll}" = "xyes" ])
+
+AC_CHECK_FUNCS([kqueue], [have_kqueue=yes])
+AM_CONDITIONAL([HAVE_KQUEUE], [test "x${have_kqueue}" = "xyes"])
+
 AC_CONFIG_FILES([
   Makefile
   lib/Makefile

examples/EventPoll.h

@@ -31,6 +31,8 @@
 
 #ifdef HAVE_EPOLL
 #  include "EventPoll_epoll.h"
-#endif // HAVE_EPOLL
+#elif HAVE_KQUEUE
+#  include "EventPoll_kqueue.h"
+#endif // HAVE_KQUEUE
 
 #endif // EVENT_POLL_H

examples/EventPoll_kqueue.cc

@@ -0,0 +1,113 @@
+/*
+ * Spdylay - SPDY Library
+ *
+ * Copyright (c) 2012 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "EventPoll_kqueue.h"
+
+#include <unistd.h>
+
+#include <cerrno>
+#include <cassert>
+
+namespace spdylay {
+
+EventPoll::EventPoll(size_t max_events)
+  : max_events_(max_events), num_events_(0)
+{
+  kq_ = kqueue();
+  assert(kq_ != -1);
+  evlist_ = new struct kevent[max_events_];
+}
+
+EventPoll::~EventPoll()
+{
+  if(kq_ != -1) {
+    close(kq_);
+  }
+  delete [] evlist_;
+}
+    
+int EventPoll::poll(int timeout)
+{
+  timespec ts, *ts_ptr;
+  if(timeout == -1) {
+    ts_ptr = 0;
+  } else {
+    ts.tv_sec = timeout/1000;
+    ts.tv_nsec = (timeout%1000)*1000000;
+    ts_ptr = &ts;
+  }
+  num_events_ = 0;
+  int n;
+  while((n = kevent(kq_, evlist_, 0, evlist_, max_events_, ts_ptr)) == -1 &&
+        errno == EINTR);
+  if(n > 0) {
+    num_events_ = n;
+  }
+  return n;
+}
+
+int EventPoll::get_num_events()
+{
+  return num_events_;
+}
+
+void* EventPoll::get_user_data(size_t p)
+{
+  return evlist_[p].udata;
+}
+
+int EventPoll::get_events(size_t p)
+{
+  int events = 0;
+  short filter = evlist_[p].filter;
+  if(filter == EVFILT_READ) {
+    events |= EP_POLLIN;
+  }
+  if(filter == EVFILT_WRITE) {
+    events |= EP_POLLOUT;
+  }
+  return events;
+}
+
+namespace {
+int update_event(int kq, int fd, int events, void *user_data)
+{
+  struct kevent changelist[2];
+  EV_SET(&changelist[0], fd, EVFILT_READ,
+         EV_ADD | ((events & EP_POLLIN) ? EV_ENABLE : EV_DISABLE),
+         0, 0, user_data);
+  EV_SET(&changelist[1], fd, EVFILT_WRITE,
+         EV_ADD | ((events & EP_POLLOUT) ? EV_ENABLE : EV_DISABLE),
+         0, 0, user_data);
+  timespec ts = { 0, 0 };
+  return kevent(kq, changelist, 2, changelist, 0, &ts);
+}
+} // namespace
+
+int EventPoll::ctl_event(int op, int fd, int events, void *user_data)
+{
+  return update_event(kq_, fd, events, user_data);
+}
+
+} // namespace spdylay

examples/EventPoll_kqueue.h

@@ -0,0 +1,62 @@
+/*
+ * Spdylay - SPDY Library
+ *
+ * Copyright (c) 2012 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef EVENT_POLL_KQUEUE_H
+#define EVENT_POLL_KQUEUE_H
+
+#include <cstdlib>
+
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+
+#include "EventPollEvent.h"
+
+namespace spdylay {
+
+class EventPoll {
+public:
+  EventPoll(size_t max_events);
+  ~EventPoll();
+  // Returns 0 if this function succeeds, or -1.
+  // On success
+  int poll(int timeout);
+  // Returns number of events detected in previous call of poll().
+  int get_num_events();
+  // Returns events of p-eth event.
+  int get_events(size_t p);
+  // Returns user data of p-th event.
+  void* get_user_data(size_t p);
+  // Adds/Modifies event to watch.
+  int ctl_event(int op, int fd, int events, void *user_data);
+private:
+  int kq_;
+  size_t max_events_;
+  struct kevent *evlist_;
+  size_t num_events_;
+};
+
+} // namespace spdylay
+
+#endif // EVENT_POLL_KQUEUE_H

examples/Makefile.am

@@ -27,20 +27,24 @@ AM_CPPFLAGS = -I$(srcdir)/../lib/includes -I$(builddir)/../lib/includes \
 AM_LDFLAGS = @OPENSSL_LIBS@
 LDADD = $(top_builddir)/lib/libspdylay.la
 
-bin_PROGRAMS = spdycat
+bin_PROGRAMS = spdycat spdyd
 
 HELPER_OBJECTS = uri.cc util.cc spdylay_ssl.cc
 HELPER_HFILES = uri.h util.h spdylay_ssl.h
 
 spdycat_SOURCES = ${HELPER_OBJECTS} ${HELPER_HFILES} spdycat.cc
 
-if HAVE_EPOLL
-
 spdyd_SOURCES = ${HELPER_OBJECTS} ${HELPER_HFILES} spdyd.cc EventPoll.h \
 	EventPollEvent.h
 
+if HAVE_EPOLL
+
 spdyd_SOURCES += EventPoll_epoll.cc EventPoll_epoll.h
 
-bin_PROGRAMS += spdyd
-
 endif # HAVE_EPOLL
+
+if HAVE_KQUEUE
+
+spdyd_SOURCES += EventPoll_kqueue.cc EventPoll_kqueue.h
+
+endif # HAVE_KQUEUE

examples/spdylay_ssl.cc

@@ -169,7 +169,10 @@ int make_listen_socket(uint16_t port)
   memset(&hints, 0, sizeof(addrinfo));
   hints.ai_family = AF_UNSPEC;
   hints.ai_socktype = SOCK_STREAM;
-  hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
+  hints.ai_flags = AI_PASSIVE;
+#ifdef AI_ADDRCONFIG
+  hints.ai_flags |= AI_ADDRCONFIG;
+#endif // AI_ADDRCONFIG
   addrinfo *res, *rp;
   r = getaddrinfo(0, service, &hints, &res);
   if(r != 0) {