Update to libevent from patches-1.3 r335.

libevent/WIN32-Code/misc.c

@@ -88,4 +88,4 @@ socketpair(int d, int type, int protocol, int *sv)
 	sv[1] = (int)fd;
 
 	return (0);
-}
+}

libevent/WIN32-Code/win32.c

@@ -25,11 +25,15 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#ifdef _MSC_VER
 #include "config.h"
-
+#else
-#include <winsock2.h>
+/* Avoid the windows/msvc thing. */
+#include "../config.h"
+#endif
 
 #include <windows.h>
+#include <winsock2.h>
 #include <sys/types.h>
 #include <sys/queue.h>
 #include <sys/tree.h>

libevent/buffer.c

@@ -135,17 +135,23 @@ evbuffer_add_vprintf(struct evbuffer *buf, const char *fmt, va_list ap)
 	va_list aq;
 
 	for (;;) {
-		buffer = buf->buffer + buf->off;
+		buffer = (char *)buf->buffer + buf->off;
 		space = buf->totallen - buf->misalign - buf->off;
 
+#ifndef va_copy
+#define	va_copy(dst, src)	memcpy(&(dst), &(src), sizeof(va_list))
+#endif
 		va_copy(aq, ap);
+
 #ifdef WIN32
 		sz = vsnprintf(buffer, space - 1, fmt, aq);
 		buffer[space - 1] = '\0';
 #else
 		sz = vsnprintf(buffer, space, fmt, aq);
 #endif
+
 		va_end(aq);
+
 		if (sz == -1)
 			return (-1);
 		if (sz < space) {
@@ -285,7 +291,7 @@ evbuffer_expand(struct evbuffer *buf, size_t datlen)
 }
 
 int
-evbuffer_add(struct evbuffer *buf, void *data, size_t datlen)
+evbuffer_add(struct evbuffer *buf, const void *data, size_t datlen)
 {
 	size_t need = buf->misalign + buf->off + datlen;
 	size_t oldoff = buf->off;
@@ -429,12 +435,13 @@ evbuffer_find(struct evbuffer *buffer, const u_char *what, size_t len)
 	u_char *search = buffer->buffer;
 	u_char *p;
 
-	while ((p = memchr(search, *what, remain)) != NULL && remain >= len) {
+	while ((p = memchr(search, *what, remain)) != NULL) {
+		remain = buffer->off - (size_t)(search - buffer->buffer);
+		if (remain < len)
+			break;
 		if (memcmp(p, what, len) == 0)
 			return (p);
-
 		search = p + 1;
-		remain = buffer->off - (size_t)(search - buffer->buffer);
 	}
 
 	return (NULL);

libevent/configure.in

@@ -1,8 +1,7 @@
 dnl configure.in for libevent
-dnl Dug Song <dugsong@monkey.org>
 AC_INIT(event.c)
 
-AM_INIT_AUTOMAKE(libevent,1.2)
+AM_INIT_AUTOMAKE(libevent,1.3a)
 AM_CONFIG_HEADER(config.h)
 AM_MAINTAINER_MODE
 
@@ -39,7 +38,7 @@ AC_CHECK_LIB(socket, socket)
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(fcntl.h stdarg.h inttypes.h stdint.h poll.h signal.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/ioctl.h sys/devpoll.h port.h)
+AC_CHECK_HEADERS(fcntl.h stdarg.h inttypes.h stdint.h poll.h signal.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/ioctl.h sys/devpoll.h port.h netinet/in6.h)
 if test "x$ac_cv_header_sys_queue_h" = "xyes"; then
 	AC_MSG_CHECKING(for TAILQ_FOREACH in sys/queue.h)
 	AC_EGREP_CPP(yes,
@@ -132,8 +131,7 @@ AC_C_INLINE
 AC_HEADER_TIME
 
 dnl Checks for library functions.
-AC_CHECK_FUNCS(gettimeofday vasprintf fcntl clock_gettime strtok_r)
+AC_CHECK_FUNCS(gettimeofday vasprintf fcntl clock_gettime strtok_r strsep getaddrinfo getnameinfo strlcpy inet_ntop)
-dnl AC_REPLACE_FUNCS(strlcpy)
 
 if test "x$ac_cv_func_clock_gettime" = "xyes"; then
    AC_DEFINE(DNS_USE_CPU_CLOCK_FOR_ID, 1, [Define if clock_gettime is available in libc])
@@ -341,6 +339,17 @@ AC_CHECK_TYPE(u_int64_t, unsigned long long)
 AC_CHECK_TYPE(u_int32_t, unsigned int)
 AC_CHECK_TYPE(u_int16_t, unsigned short)
 AC_CHECK_TYPE(u_int8_t, unsigned char)
+AC_CHECK_TYPES([struct in6_addr], , ,
+[#ifdef WIN32
+#include <winsock2.h>
+#else
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN6_H
+#include <netinet/in6.h>
+#endif])
 
 AC_MSG_CHECKING([for socklen_t])
 AC_TRY_COMPILE([

libevent/evdns.h

@@ -213,6 +213,7 @@
  *    3 file too large
  *    4 out of memory
  *    5 short read from file
+ *    6 no nameservers in file
  *
  * Internals:
  *
@@ -237,6 +238,10 @@
 #ifndef EVENTDNS_H
 #define EVENTDNS_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Error codes 0-5 are as described in RFC 1035. */
 #define DNS_ERR_NONE 0
 /* The name server was unable to interpret the query */
@@ -262,6 +267,7 @@
 
 #define DNS_IPv4_A 1
 #define DNS_PTR 2
+#define DNS_IPv6_AAAA 3
 
 #define DNS_QUERY_NO_SEARCH 1
 
@@ -272,7 +278,7 @@
 
 /* 
  * The callback that contains the results from a lookup.
- * - type is either DNS_IPv4_A or DNS_PTR
+ * - type is either DNS_IPv4_A or DNS_PTR or DNS_IPv6_AAAA
  * - count contains the number of addresses of form type
  * - ttl is the number of seconds the resolution may be cached for.
  * - addresses needs to be cast according to type
@@ -288,8 +294,12 @@ int evdns_clear_nameservers_and_suspend(void);
 int evdns_resume(void);
 int evdns_nameserver_ip_add(const char *ip_as_string);
 int evdns_resolve_ipv4(const char *name, int flags, evdns_callback_type callback, void *ptr);
+int evdns_resolve_ipv6(const char *name, int flags, evdns_callback_type callback, void *ptr);
 struct in_addr;
+struct in6_addr;
 int evdns_resolve_reverse(struct in_addr *in, int flags, evdns_callback_type callback, void *ptr);
+int evdns_resolve_reverse_ipv6(struct in6_addr *in, int flags, evdns_callback_type callback, void *ptr);
+int evdns_set_option(const char *option, const char *val, int flags);
 int evdns_resolv_conf_parse(int flags, const char *);
 #ifdef MS_WINDOWS
 int evdns_config_windows_nameservers(void);
@@ -303,4 +313,53 @@ void evdns_set_log_fn(evdns_debug_log_fn_type fn);
 
 #define DNS_NO_SEARCH 1
 
+#ifdef __cplusplus
+}
+#endif
+
+/*
+ * Structures and functions used to implement a DNS server.
+ */
+
+struct evdns_server_request {
+	int flags;
+	int nquestions;
+	struct evdns_server_question **questions;
+};
+struct evdns_server_question {
+	int type;
+	int class;
+	char name[1];
+};
+typedef void (*evdns_request_callback_fn_type)(struct evdns_server_request *, void *);
+#define EVDNS_ANSWER_SECTION 0
+#define EVDNS_AUTHORITY_SECTION 1
+#define EVDNS_ADDITIONAL_SECTION 2
+
+#define EVDNS_TYPE_A	   1
+#define EVDNS_TYPE_NS	   2
+#define EVDNS_TYPE_CNAME   5
+#define EVDNS_TYPE_SOA	   6
+#define EVDNS_TYPE_PTR	  12
+#define EVDNS_TYPE_MX	  15
+#define EVDNS_TYPE_TXT	  16
+#define EVDNS_TYPE_AAAA	  28
+
+#define EVDNS_QTYPE_AXFR 252
+#define EVDNS_QTYPE_ALL	 255
+
+#define EVDNS_CLASS_INET   1
+
+struct evdns_server_port *evdns_add_server_port(int socket, int is_tcp, evdns_request_callback_fn_type callback, void *user_data);
+void evdns_close_server_port(struct evdns_server_port *port);
+
+int evdns_server_request_add_reply(struct evdns_server_request *req, int section, const char *name, int type, int class, int ttl, int datalen, int is_name, const char *data);
+int evdns_server_request_add_a_reply(struct evdns_server_request *req, const char *name, int n, void *addrs, int ttl);
+int evdns_server_request_add_aaaa_reply(struct evdns_server_request *req, const char *name, int n, void *addrs, int ttl);
+int evdns_server_request_add_ptr_reply(struct evdns_server_request *req, struct in_addr *in, const char *inaddr_name, const char *hostname, int ttl);
+int evdns_server_request_add_cname_reply(struct evdns_server_request *req, const char *name, const char *cname, int ttl);
+
+int evdns_server_request_respond(struct evdns_server_request *req, int err);
+int evdns_server_request_drop(struct evdns_server_request *req);
+
 #endif  // !EVENTDNS_H

libevent/event.c

@@ -149,8 +149,12 @@ gettime(struct timeval *tp)
 {
 #ifdef HAVE_CLOCK_GETTIME
 	struct timespec	ts;
-	
+#ifdef HAVE_CLOCK_MONOTONIC      
 	if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
+#else
+	if (clock_gettime(CLOCK_REALTIME, &ts) == -1)
+#endif
 		return (-1);
 	tp->tv_sec = ts.tv_sec;
 	tp->tv_usec = ts.tv_nsec / 1000;
@@ -297,6 +301,8 @@ event_process_active(struct event_base *base)
 		}
 	}
 
+	assert(activeq != NULL);
+
 	for (ev = TAILQ_FIRST(activeq); ev; ev = TAILQ_FIRST(activeq)) {
 		event_queue_remove(base, ev, EVLIST_ACTIVE);
 		
@@ -307,6 +313,8 @@ event_process_active(struct event_base *base)
 			ncalls--;
 			ev->ev_ncalls = ncalls;
 			(*ev->ev_callback)((int)ev->ev_fd, ev->ev_res, ev->ev_arg);
+			if (event_gotsig)
+				return;
 		}
 	}
 }

libevent/event.h

@@ -38,6 +38,7 @@ extern "C" {
 #include <windows.h>
 #undef WIN32_LEAN_AND_MEAN
 typedef unsigned char u_char;
+typedef unsigned short u_short;
 #endif
 
 #define EVLIST_TIMEOUT	0x01
@@ -191,7 +192,7 @@ void event_active(struct event *, int, short);
 int event_pending(struct event *, short, struct timeval *);
 
 #ifdef WIN32
-#define event_initialized(ev)		((ev)->ev_flags & EVLIST_INIT && (ev)->ev_fd != INVALID_HANDLE_VALUE)
+#define event_initialized(ev)		((ev)->ev_flags & EVLIST_INIT && (ev)->ev_fd != (int)INVALID_HANDLE_VALUE)
 #else
 #define event_initialized(ev)		((ev)->ev_flags & EVLIST_INIT)
 #endif
@@ -259,6 +260,7 @@ struct bufferevent {
 
 struct bufferevent *bufferevent_new(int fd,
     evbuffercb readcb, evbuffercb writecb, everrorcb errorcb, void *cbarg);
+int bufferevent_base_set(struct event_base *base, struct bufferevent *bufev);
 int bufferevent_priority_set(struct bufferevent *bufev, int pri);
 void bufferevent_free(struct bufferevent *bufev);
 int bufferevent_write(struct bufferevent *bufev, void *data, size_t size);
@@ -277,7 +279,7 @@ void bufferevent_settimeout(struct bufferevent *bufev,
 struct evbuffer *evbuffer_new(void);
 void evbuffer_free(struct evbuffer *);
 int evbuffer_expand(struct evbuffer *, size_t);
-int evbuffer_add(struct evbuffer *, void *, size_t);
+int evbuffer_add(struct evbuffer *, const void *, size_t);
 int evbuffer_remove(struct evbuffer *, void *, size_t);
 char *evbuffer_readline(struct evbuffer *);
 int evbuffer_add_buffer(struct evbuffer *, struct evbuffer *);