lib/process, socket-util: Update necessary headers

[sliver-openvswitch.git] / lib / socket-util.c

diff --git a/lib/socket-util.c b/lib/socket-util.c
index 357594d..eec2713 100644 (file)
--- a/lib/socket-util.c
+++ b/lib/socket-util.c
@@ -27,7 +27,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/ioctl.h>
-#include <sys/resource.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/uio.h>
@@ -122,56 +121,13 @@ set_dscp(int fd, uint8_t dscp)
     return 0;
 }
 
-static bool
-rlim_is_finite(rlim_t limit)
-{
-    if (limit == RLIM_INFINITY) {
-        return false;
-    }
-
-#ifdef RLIM_SAVED_CUR           /* FreeBSD 8.0 lacks RLIM_SAVED_CUR. */
-    if (limit == RLIM_SAVED_CUR) {
-        return false;
-    }
-#endif
-
-#ifdef RLIM_SAVED_MAX           /* FreeBSD 8.0 lacks RLIM_SAVED_MAX. */
-    if (limit == RLIM_SAVED_MAX) {
-        return false;
-    }
-#endif
-
-    return true;
-}
-
-/* Returns the maximum valid FD value, plus 1. */
-int
-get_max_fds(void)
-{
-    static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
-    static int max_fds;
-
-    if (ovsthread_once_start(&once)) {
-        struct rlimit r;
-        if (!getrlimit(RLIMIT_NOFILE, &r) && rlim_is_finite(r.rlim_cur)) {
-            max_fds = r.rlim_cur;
-        } else {
-            VLOG_WARN("failed to obtain fd limit, defaulting to 1024");
-            max_fds = 1024;
-        }
-        ovsthread_once_done(&once);
-    }
-
-    return max_fds;
-}
-
 /* Translates 'host_name', which must be a string representation of an IP
  * address, into a numeric IP address in '*addr'.  Returns 0 if successful,
  * otherwise a positive errno value. */
 int
 lookup_ip(const char *host_name, struct in_addr *addr)
 {
-    if (!inet_aton(host_name, addr)) {
+    if (!inet_pton(AF_INET, host_name, addr)) {
         static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
         VLOG_ERR_RL(&rl, "\"%s\" is not a valid IP address", host_name);
         return ENOENT;
@@ -208,7 +164,7 @@ lookup_hostname(const char *host_name, struct in_addr *addr)
     struct addrinfo *result;
     struct addrinfo hints;
 
-    if (inet_aton(host_name, addr)) {
+    if (inet_pton(AF_INET, host_name, addr)) {
         return 0;
     }
 
@@ -267,14 +223,19 @@ check_connection_completion(int fd)
 
     pfd.fd = fd;
     pfd.events = POLLOUT;
+
+#ifndef _WIN32
     do {
         retval = poll(&pfd, 1, 0);
     } while (retval < 0 && errno == EINTR);
+#else
+    retval = WSAPoll(&pfd, 1, 0);
+#endif
     if (retval == 1) {
         if (pfd.revents & POLLERR) {
-            ssize_t n = send(fd, "", 1, MSG_DONTWAIT);
+            ssize_t n = send(fd, "", 1, 0);
             if (n < 0) {
-                return errno;
+                return sock_errno();
             } else {
                 VLOG_ERR_RL(&rl, "poll return POLLERR but send succeeded");
                 return EPROTO;
@@ -282,7 +243,7 @@ check_connection_completion(int fd)
         }
         return 0;
     } else if (retval < 0) {
-        VLOG_ERR_RL(&rl, "poll: %s", ovs_strerror(errno));
+        VLOG_ERR_RL(&rl, "poll: %s", sock_strerror(sock_errno()));
         return errno;
     } else {
         return EAGAIN;
@@ -314,8 +275,7 @@ drain_rcvbuf(int fd)
          * On other Unix-like OSes, MSG_TRUNC has no effect in the flags
          * argument. */
         char buffer[LINUX_DATAPATH ? 1 : 2048];
-        ssize_t n_bytes = recv(fd, buffer, sizeof buffer,
-                               MSG_TRUNC | MSG_DONTWAIT);
+        ssize_t n_bytes = recv(fd, buffer, sizeof buffer, MSG_TRUNC);
         if (n_bytes <= 0 || n_bytes >= rcvbuf) {
             break;
         }
@@ -354,6 +314,7 @@ drain_fd(int fd, size_t n_packets)
     }
 }
 
+#ifndef _WIN32
 /* Attempts to shorten 'name' by opening a file descriptor for the directory
  * part of the name and indirecting through /proc/self/fd/<dirfd>/<basename>.
  * On systems with Linux-like /proc, this works as long as <basename> isn't too
@@ -614,6 +575,7 @@ get_unix_name_len(socklen_t sun_len)
             ? sun_len - offsetof(struct sockaddr_un, sun_path)
             : 0);
 }
+#endif /* _WIN32 */
 
 ovs_be32
 guess_netmask(ovs_be32 ip_)
@@ -962,28 +924,6 @@ error:
     return -error;
 }
 
-/* Returns a readable and writable fd for /dev/null, if successful, otherwise
- * a negative errno value.  The caller must not close the returned fd (because
- * the same fd will be handed out to subsequent callers). */
-int
-get_null_fd(void)
-{
-    static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
-    static int null_fd;
-
-    if (ovsthread_once_start(&once)) {
-        null_fd = open("/dev/null", O_RDWR);
-        if (null_fd < 0) {
-            int error = errno;
-            VLOG_ERR("could not open /dev/null: %s", ovs_strerror(error));
-            null_fd = -error;
-        }
-        ovsthread_once_done(&once);
-    }
-
-    return null_fd;
-}
-
 int
 read_fully(int fd, void *p_, size_t size, size_t *bytes_read)
 {
@@ -1033,6 +973,7 @@ int
 fsync_parent_dir(const char *file_name)
 {
     int error = 0;
+#ifndef _WIN32
     char *dir;
     int fd;
 
@@ -1054,6 +995,7 @@ fsync_parent_dir(const char *file_name)
         VLOG_ERR("%s: open failed (%s)", dir, ovs_strerror(error));
     }
     free(dir);
+#endif
 
     return error;
 }
@@ -1139,6 +1081,7 @@ describe_sockaddr(struct ds *string, int fd,
             ds_put_format(string, "%s:%"PRIu16,
                           ss_format_address(&ss, addrbuf, sizeof addrbuf),
                           ss_get_port(&ss));
+#ifndef _WIN32
         } else if (ss.ss_family == AF_UNIX) {
             struct sockaddr_un sun;
             const char *null;
@@ -1149,6 +1092,7 @@ describe_sockaddr(struct ds *string, int fd,
             null = memchr(sun.sun_path, '\0', maxlen);
             ds_put_buffer(string, sun.sun_path,
                           null ? null - sun.sun_path : maxlen);
+#endif
         }
 #ifdef HAVE_NETLINK
         else if (ss.ss_family == AF_NETLINK) {
@@ -1239,6 +1183,7 @@ describe_fd(int fd)
     struct stat s;
 
     ds_init(&string);
+#ifndef _WIN32
     if (fstat(fd, &s)) {
         ds_put_format(&string, "fstat failed (%s)", ovs_strerror(errno));
     } else if (S_ISSOCK(s.st_mode)) {
@@ -1258,9 +1203,13 @@ describe_fd(int fd)
         put_fd_filename(&string, fd);
 #endif
     }
+#else
+    ds_put_format(&string,"file descriptor");
+#endif /* _WIN32 */
     return ds_steal_cstr(&string);
 }
 
+#ifndef _WIN32
 /* Calls ioctl() on an AF_INET sock, passing the specified 'command' and
  * 'arg'.  Returns 0 if successful, otherwise a positive errno value. */
 int
@@ -1299,6 +1248,7 @@ af_inet_ifreq_ioctl(const char *name, struct ifreq *ifr, unsigned long int cmd,
     }
     return error;
 }
+#endif
 \f
 /* sockaddr_storage helpers. */