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[GNUnet-SVN] r9428 - gnunet/src/util
From: |
gnunet |
Subject: |
[GNUnet-SVN] r9428 - gnunet/src/util |
Date: |
Sun, 8 Nov 2009 14:29:03 -0700 |
Author: grothoff
Date: 2009-11-08 14:29:03 -0700 (Sun, 08 Nov 2009)
New Revision: 9428
Modified:
gnunet/src/util/network.c
Log:
formatting
Modified: gnunet/src/util/network.c
===================================================================
--- gnunet/src/util/network.c 2009-11-08 21:22:51 UTC (rev 9427)
+++ gnunet/src/util/network.c 2009-11-08 21:29:03 UTC (rev 9428)
@@ -1,1556 +1,1051 @@
-/*
- This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
-
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
- option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-/**
- * @file util/network.c
- * @brief basic, low-level networking interface
- * @author Nils Durner
- */
-
-#include "platform.h"
-#include "gnunet_disk_lib.h"
-#include "disk.h"
-#include "gnunet_container_lib.h"
-
-#define DEBUG_NETWORK GNUNET_NO
-
-#ifndef INVALID_SOCKET
-#define INVALID_SOCKET -1
-#endif /*
+/*
+ This file is part of GNUnet.
+ (C) 2009 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 2, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file util/network.c
+ * @brief basic, low-level networking interface
+ * @author Nils Durner
*/
-
-struct GNUNET_NETWORK_Handle
+
+#include "platform.h"
+#include "gnunet_disk_lib.h"
+#include "disk.h"
+#include "gnunet_container_lib.h"
+
+#define DEBUG_NETWORK GNUNET_NO
+
+#ifndef INVALID_SOCKET
+#define INVALID_SOCKET -1
+#endif /* */
+struct GNUNET_NETWORK_Handle
{
-
-int fd;
-
+ int fd;
};
-
-
-struct GNUNET_NETWORK_FDSet
+struct GNUNET_NETWORK_FDSet
{
-
- /* socket descriptors */
+
+ /* socket descriptors */
int nsds;
-
-fd_set sds;
-
-#ifdef WINDOWS
- /* handles */
+ fd_set sds;
+
+#ifdef WINDOWS
+ /* handles */
struct GNUNET_CONTAINER_SList *handles;
-
-#endif /*
- */
+
+#endif /* */
};
-
-
-#ifndef FD_COPY
-#define FD_COPY(s, d) (memcpy ((d), (s), sizeof (fd_set)))
-#endif /*
+
+#ifndef FD_COPY
+#define FD_COPY(s, d) (memcpy ((d), (s), sizeof (fd_set)))
+#endif /* */
+
+/**
+ * Set if a socket should use blocking or non-blocking IO.
+ * @param fd socket
+ * @param doBlock blocking mode
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error
*/
-
-
-
-/**
- * Set if a socket should use blocking or non-blocking IO.
- * @param fd socket
- * @param doBlock blocking mode
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
- */
-static int
-socket_set_blocking (struct GNUNET_NETWORK_Handle *fd,
-int doBlock)
+static int
+socket_set_blocking (struct GNUNET_NETWORK_Handle *fd, int doBlock)
{
-
-#if MINGW
- u_long mode;
-
-mode = !doBlock;
-
-if (ioctlsocket (fd->fd, FIONBIO, &mode) == SOCKET_ERROR)
-
+
+#if MINGW
+ u_long mode;
+ mode = !doBlock;
+ if (ioctlsocket (fd->fd, FIONBIO, &mode) == SOCKET_ERROR)
+
{
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "ioctlsocket");
-
-return GNUNET_SYSERR;
-
-}
-
-return GNUNET_OK;
-
-
-#else /*
- */
- /* not MINGW */
+ SetErrnoFromWinsockError (WSAGetLastError ());
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "ioctlsocket");
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+
+#else /* */
+ /* not MINGW */
int flags = fcntl (fd->fd, F_GETFL);
-
-if (flags == -1)
-
+ if (flags == -1)
+
{
-
-GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "fcntl");
-
-return GNUNET_SYSERR;
-
-}
-
-if (doBlock)
-
-flags &= ~O_NONBLOCK;
-
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "fcntl");
+ return GNUNET_SYSERR;
+ }
+ if (doBlock)
+ flags &= ~O_NONBLOCK;
+
else
-
-flags |= O_NONBLOCK;
-
-if (0 != fcntl (fd->fd, F_SETFL, flags))
-
+ flags |= O_NONBLOCK;
+ if (0 != fcntl (fd->fd, F_SETFL, flags))
+
{
-
-GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "fcntl");
-
-return GNUNET_SYSERR;
-
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "fcntl");
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+
+#endif /* */
}
-
-return GNUNET_OK;
-
-#endif /*
- */
-}
-
-
-
-#ifndef MINGW
-/**
- * Make a socket non-inheritable to child processes
- *
- * @param h the socket to make non-inheritable
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- * @warning Not implemented on Windows
- */
-static int
-socket_set_inheritable (const struct GNUNET_NETWORK_Handle
-*h)
+
+#ifndef MINGW
+/**
+ * Make a socket non-inheritable to child processes
+ *
+ * @param h the socket to make non-inheritable
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @warning Not implemented on Windows
+ */
+static int
+socket_set_inheritable (const struct GNUNET_NETWORK_Handle *h)
{
-
-int i;
-
-
-i = fcntl (h->fd, F_GETFD);
-
-if (i == (i | FD_CLOEXEC))
-
-return GNUNET_OK;
-
-return (fcntl (h->fd, F_SETFD, i | FD_CLOEXEC) == 0)
+ int i;
+ i = fcntl (h->fd, F_GETFD);
+ if (i == (i | FD_CLOEXEC))
+ return GNUNET_OK;
+ return (fcntl (h->fd, F_SETFD, i | FD_CLOEXEC) == 0)
? GNUNET_OK : GNUNET_SYSERR;
-
}
-
-#endif /*
+
+#endif /* */
+
+#ifdef DARWIN
+/**
+ * The MSG_NOSIGNAL equivalent on Mac OS X
+ *
+ * @param h the socket to make non-delaying
*/
-
-
-
-#ifdef DARWIN
-/**
- * The MSG_NOSIGNAL equivalent on Mac OS X
- *
- * @param h the socket to make non-delaying
- */
-static void
-socket_set_nosigpipe (const struct GNUNET_NETWORK_Handle
-*h)
+static void
+socket_set_nosigpipe (const struct GNUNET_NETWORK_Handle *h)
{
-
-int value = 1;
-
-if (0 !=
- setsockopt (h->fd, SOL_SOCKET, SO_NOSIGPIPE, &value, sizeof (value)))
-
-GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
-"setsockopt");
-
+ int value = 1;
+ if (0 !=
+ setsockopt (h->fd, SOL_SOCKET, SO_NOSIGPIPE, &value, sizeof (value)))
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "setsockopt");
}
-
-#endif /*
+
+#endif /* */
+
+/**
+ * Disable delays when sending data via the socket.
+ * (GNUnet makes sure that messages are as big as
+ * possible already).
+ *
+ * @param h the socket to make non-delaying
*/
-
-
-
-/**
- * Disable delays when sending data via the socket.
- * (GNUnet makes sure that messages are as big as
- * possible already).
- *
- * @param h the socket to make non-delaying
- */
-static void
-socket_set_nodelay (const struct GNUNET_NETWORK_Handle
-*h)
+static void
+socket_set_nodelay (const struct GNUNET_NETWORK_Handle *h)
{
-
-int value = 1;
-
-if (0 !=
- setsockopt (h->fd, IPPROTO_TCP, TCP_NODELAY, &value, sizeof (value)))
-
-GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
-"setsockopt");
-
-
+ int value = 1;
+ if (0 !=
+ setsockopt (h->fd, IPPROTO_TCP, TCP_NODELAY, &value, sizeof (value)))
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "setsockopt");
}
-
-
-
-
-/**
- * accept a new connection on a socket
- *
- * @param desc bound socket
- * @param address address of the connecting peer, may be NULL
- * @param address_len length of address
- * @return client socket
- */
-struct GNUNET_NETWORK_Handle *
+
+/**
+ * accept a new connection on a socket
+ *
+ * @param desc bound socket
+ * @param address address of the connecting peer, may be NULL
+ * @param address_len length of address
+ * @return client socket
+ */
+struct GNUNET_NETWORK_Handle *
GNUNET_NETWORK_socket_accept (const struct GNUNET_NETWORK_Handle *desc,
-
-struct sockaddr *address,
-
-socklen_t * address_len)
+ struct sockaddr *address,
+ socklen_t * address_len)
{
-
-struct GNUNET_NETWORK_Handle *ret;
-
-
-ret = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle));
-
-ret->fd = accept (desc->fd, address, address_len);
-
-if (ret->fd == INVALID_SOCKET)
-
+ struct GNUNET_NETWORK_Handle *ret;
+ ret = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle));
+ ret->fd = accept (desc->fd, address, address_len);
+ if (ret->fd == INVALID_SOCKET)
+
{
-
-#ifdef MINGW
- SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
- GNUNET_free (ret);
-
-return NULL;
-
-}
-
-#ifndef MINGW
- if (ret->fd >= FD_SETSIZE)
-
+
+#ifdef MINGW
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ GNUNET_free (ret);
+ return NULL;
+ }
+
+#ifndef MINGW
+ if (ret->fd >= FD_SETSIZE)
+
{
-
-GNUNET_break (0 == close (ret->fd));
-
-GNUNET_free (ret);
-
-errno = EMFILE;
-
-return NULL;
-
-}
-
-#endif /*
- */
- if (GNUNET_SYSERR == socket_set_blocking (ret, GNUNET_NO))
-
+ GNUNET_break (0 == close (ret->fd));
+ GNUNET_free (ret);
+ errno = EMFILE;
+ return NULL;
+ }
+
+#endif /* */
+ if (GNUNET_SYSERR == socket_set_blocking (ret, GNUNET_NO))
+
{
-
- /* we might want to treat this one as fatal... */
- GNUNET_break (0);
-
-GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (ret));
-
-return NULL;
-
+
+ /* we might want to treat this one as fatal... */
+ GNUNET_break (0);
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (ret));
+ return NULL;
+ }
+
+#ifndef MINGW
+ if (GNUNET_OK != socket_set_inheritable (ret))
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "socket_set_inheritable");
+
+#endif /* */
+#ifdef DARWIN
+ socket_set_nosigpipe (ret);
+
+#endif /* */
+ socket_set_nodelay (ret);
+ return ret;
}
-
-#ifndef MINGW
- if (GNUNET_OK != socket_set_inheritable (ret))
-
-GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
-
-"socket_set_inheritable");
-
-#endif /*
- */
-#ifdef DARWIN
- socket_set_nosigpipe (ret);
-
-#endif /*
- */
- socket_set_nodelay (ret);
-
-return ret;
-
-}
-
-
-/**
- * Bind to a connected socket
- * @param desc socket
- * @param address address to be bound
- * @param address_len length of address
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- */
-int
+
+/**
+ * Bind to a connected socket
+ * @param desc socket
+ * @param address address to be bound
+ * @param address_len length of address
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ */
+int
GNUNET_NETWORK_socket_bind (struct GNUNET_NETWORK_Handle *desc,
-
-const struct sockaddr *address,
-
-socklen_t address_len)
+ const struct sockaddr *address,
+ socklen_t address_len)
{
-
-int ret;
-
-
-ret = bind (desc->fd, address, address_len);
-
-#ifdef MINGW
- if (SOCKET_ERROR == ret)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
- return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
-
+ int ret;
+ ret = bind (desc->fd, address, address_len);
+
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
}
-
-
-
-/**
- * Close a socket
- * @param desc socket
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- */
-int
-GNUNET_NETWORK_socket_close (struct GNUNET_NETWORK_Handle *desc)
-{
-
-int ret;
-
-int eno;
-
-
-#ifdef MINGW
- ret = closesocket (desc->fd);
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#else /*
+
+/**
+ * Close a socket
+ * @param desc socket
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
*/
- ret = close (desc->fd);
-
-#endif /*
- */
- eno = errno;
-
-GNUNET_free (desc);
-
-errno = eno;
-
-return (ret == 0) ? GNUNET_OK : GNUNET_SYSERR;
-
+int
+GNUNET_NETWORK_socket_close (struct GNUNET_NETWORK_Handle *desc)
+{
+ int ret;
+ int eno;
+
+#ifdef MINGW
+ ret = closesocket (desc->fd);
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#else /* */
+ ret = close (desc->fd);
+
+#endif /* */
+ eno = errno;
+ GNUNET_free (desc);
+ errno = eno;
+ return (ret == 0) ? GNUNET_OK : GNUNET_SYSERR;
}
-
-
-/**
- * Connect a socket
- * @param desc socket
- * @param address peer address
- * @param address_len length of address
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- */
-int
+
+/**
+ * Connect a socket
+ * @param desc socket
+ * @param address peer address
+ * @param address_len length of address
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ */
+int
GNUNET_NETWORK_socket_connect (const struct GNUNET_NETWORK_Handle *desc,
-
-const struct sockaddr *address,
-
-socklen_t address_len)
+ const struct sockaddr *address,
+ socklen_t address_len)
{
-
-int ret;
-
-
-ret = connect (desc->fd, address, address_len);
-
-#ifdef MINGW
- if (SOCKET_ERROR == ret)
-
+ int ret;
+ ret = connect (desc->fd, address, address_len);
+
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+
{
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-if (errno == EWOULDBLOCK)
-
-errno = EINPROGRESS;
-
+ SetErrnoFromWinsockError (WSAGetLastError ());
+ if (errno == EWOULDBLOCK)
+ errno = EINPROGRESS;
+ }
+
+#endif /* */
+ return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
}
-
-#endif /*
- */
- return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
-
-}
-
-
-/**
- * Get socket options
- *
- * @param desc socket
- * @param level protocol level of the option
- * @param optname identifier of the option
- * @param optval options
- * @param optlen length of optval
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- */
-int
+
+/**
+ * Get socket options
+ *
+ * @param desc socket
+ * @param level protocol level of the option
+ * @param optname identifier of the option
+ * @param optval options
+ * @param optlen length of optval
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ */
+int
GNUNET_NETWORK_socket_getsockopt (const struct GNUNET_NETWORK_Handle *desc,
-
-int level, int optname, void *optval,
-
-socklen_t * optlen)
+ int level, int optname, void *optval,
+ socklen_t * optlen)
{
-
-int ret;
-
-
-ret = getsockopt (desc->fd, level, optname, optval, optlen);
-
-#ifdef MINGW
- if (ret == 0 && level == SOL_SOCKET && optname == SO_ERROR)
-
-*((int *) optval) = GetErrnoFromWinsockError (*((int *) optval));
-
+ int ret;
+ ret = getsockopt (desc->fd, level, optname, optval, optlen);
+
+#ifdef MINGW
+ if (ret == 0 && level == SOL_SOCKET && optname == SO_ERROR)
+ *((int *) optval) = GetErrnoFromWinsockError (*((int *) optval));
+
else if (SOCKET_ERROR == ret)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
- return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
-
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
}
-
-
-/**
- * Listen on a socket
- * @param desc socket
- * @param backlog length of the listen queue
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- */
-int
+
+/**
+ * Listen on a socket
+ * @param desc socket
+ * @param backlog length of the listen queue
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ */
+int
GNUNET_NETWORK_socket_listen (const struct GNUNET_NETWORK_Handle *desc,
-
-int backlog)
+ int backlog)
{
-
-int ret;
-
-
-ret = listen (desc->fd, backlog);
-
-#ifdef MINGW
- if (SOCKET_ERROR == ret)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
-
-return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
-
+ int ret;
+ ret = listen (desc->fd, backlog);
+
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
}
-
-
-/**
- * Read data from a connected socket (always non-blocking).
- * @param desc socket
- * @param buffer buffer
- * @param length length of buffer
- */
- ssize_t
+
+/**
+ * Read data from a connected socket (always non-blocking).
+ * @param desc socket
+ * @param buffer buffer
+ * @param length length of buffer
+ */
+ssize_t
GNUNET_NETWORK_socket_recv (const struct GNUNET_NETWORK_Handle * desc,
-
-void *buffer, size_t length)
+ void *buffer, size_t length)
{
-
-int ret;
-
-int flags;
-
-
-flags = 0;
-
-#ifdef MSG_DONTWAIT
- flags |= MSG_DONTWAIT;
-
-#endif /*
- */
- ret = recv (desc->fd, buffer, length, flags);
-
-#ifdef MINGW
- if (SOCKET_ERROR == ret)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
-
-return ret;
-
+ int ret;
+ int flags;
+ flags = 0;
+
+#ifdef MSG_DONTWAIT
+ flags |= MSG_DONTWAIT;
+
+#endif /* */
+ ret = recv (desc->fd, buffer, length, flags);
+
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret;
}
-
-
-/**
- * Send data (always non-blocking).
- *
- * @param desc socket
- * @param buffer data to send
- * @param length size of the buffer
- * @return number of bytes sent, GNUNET_SYSERR on error
- */
- ssize_t
+
+/**
+ * Send data (always non-blocking).
+ *
+ * @param desc socket
+ * @param buffer data to send
+ * @param length size of the buffer
+ * @return number of bytes sent, GNUNET_SYSERR on error
+ */
+ssize_t
GNUNET_NETWORK_socket_send (const struct GNUNET_NETWORK_Handle * desc,
-
-const void *buffer, size_t length)
+ const void *buffer, size_t length)
{
-
-int ret;
-
-int flags;
-
-
-flags = 0;
-
-#ifdef MSG_DONTWAIT
- flags |= MSG_DONTWAIT;
-
-#endif /*
- */
-#ifdef MSG_NOSIGNAL
- flags |= MSG_NOSIGNAL;
-
-#endif /*
- */
- ret = send (desc->fd, buffer, length, flags);
-
-#ifdef MINGW
- if (SOCKET_ERROR == ret)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
-
-return ret;
-
+ int ret;
+ int flags;
+ flags = 0;
+
+#ifdef MSG_DONTWAIT
+ flags |= MSG_DONTWAIT;
+
+#endif /* */
+#ifdef MSG_NOSIGNAL
+ flags |= MSG_NOSIGNAL;
+
+#endif /* */
+ ret = send (desc->fd, buffer, length, flags);
+
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret;
}
-
-
-
-/**
- * Send data to a particular destination (always non-blocking).
- * This function only works for UDP sockets.
- *
- * @param desc socket
- * @param message data to send
- * @param length size of the data
- * @param dest_addr destination address
- * @param dest_len length of address
- * @return number of bytes sent, GNUNET_SYSERR on error
- */
- ssize_t
+
+/**
+ * Send data to a particular destination (always non-blocking).
+ * This function only works for UDP sockets.
+ *
+ * @param desc socket
+ * @param message data to send
+ * @param length size of the data
+ * @param dest_addr destination address
+ * @param dest_len length of address
+ * @return number of bytes sent, GNUNET_SYSERR on error
+ */
+ssize_t
GNUNET_NETWORK_socket_sendto (const struct GNUNET_NETWORK_Handle * desc,
-
-const void *message, size_t length,
-
-const struct sockaddr * dest_addr,
-
-socklen_t dest_len)
+ const void *message, size_t length,
+ const struct sockaddr * dest_addr,
+ socklen_t dest_len)
{
-
-int ret;
-
-int flags;
-
-
-flags = 0;
-
-#ifdef MSG_DONTWAIT
- flags |= MSG_DONTWAIT;
-
-#endif /*
- */
-#ifdef MSG_NOSIGNAL
- flags |= MSG_NOSIGNAL;
-
-#endif /*
- */
- ret = sendto (desc->fd, message, length, flags, dest_addr, dest_len);
-
-#ifdef MINGW
- if (SOCKET_ERROR == ret)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
-
-return ret;
-
+ int ret;
+ int flags;
+ flags = 0;
+
+#ifdef MSG_DONTWAIT
+ flags |= MSG_DONTWAIT;
+
+#endif /* */
+#ifdef MSG_NOSIGNAL
+ flags |= MSG_NOSIGNAL;
+
+#endif /* */
+ ret = sendto (desc->fd, message, length, flags, dest_addr, dest_len);
+
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret;
}
-
-
-/**
- * Set socket option
- * @param fd socket
- * @param level protocol level of the option
- * @param option_name option identifier
- * @param option_value value to set
- * @param option_len size of option_value
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- */
-int
+
+/**
+ * Set socket option
+ * @param fd socket
+ * @param level protocol level of the option
+ * @param option_name option identifier
+ * @param option_value value to set
+ * @param option_len size of option_value
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ */
+int
GNUNET_NETWORK_socket_setsockopt (struct GNUNET_NETWORK_Handle *fd,
-
-int level, int option_name,
-
-const void *option_value,
-
-socklen_t option_len)
+ int level, int option_name,
+ const void *option_value,
+ socklen_t option_len)
{
-
-int ret;
-
-
-ret = setsockopt (fd->fd, level, option_name, option_value, option_len);
-
-#ifdef MINGW
- if (SOCKET_ERROR == ret)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
-
-return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
-
+ int ret;
+ ret = setsockopt (fd->fd, level, option_name, option_value, option_len);
+
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
}
-
-
-
-
-/**
- * Create a new socket. Configure it for non-blocking IO and
- * mark it as non-inheritable to child processes (set the
- * close-on-exec flag).
- *
- * @param domain domain of the socket
- * @param type socket type
- * @param protocol network protocol
- * @return new socket, NULL on error
- */
-struct GNUNET_NETWORK_Handle *
-GNUNET_NETWORK_socket_create (int domain, int type, int protocol)
+
+/**
+ * Create a new socket. Configure it for non-blocking IO and
+ * mark it as non-inheritable to child processes (set the
+ * close-on-exec flag).
+ *
+ * @param domain domain of the socket
+ * @param type socket type
+ * @param protocol network protocol
+ * @return new socket, NULL on error
+ */
+struct GNUNET_NETWORK_Handle *
+GNUNET_NETWORK_socket_create (int domain, int type, int protocol)
{
-
-struct GNUNET_NETWORK_Handle *ret;
-
-
-ret = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle));
-
-ret->fd = socket (domain, type, protocol);
-
-if (INVALID_SOCKET == ret->fd)
-
+ struct GNUNET_NETWORK_Handle *ret;
+ ret = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle));
+ ret->fd = socket (domain, type, protocol);
+ if (INVALID_SOCKET == ret->fd)
+
{
-
-#ifdef MINGW
- SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
- */
- GNUNET_free (ret);
-
-return NULL;
-
-}
-
-#ifndef MINGW
- if (ret->fd >= FD_SETSIZE)
-
+
+#ifdef MINGW
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ GNUNET_free (ret);
+ return NULL;
+ }
+
+#ifndef MINGW
+ if (ret->fd >= FD_SETSIZE)
+
{
-
-GNUNET_break (0 == close (ret->fd));
-
-GNUNET_free (ret);
-
-errno = EMFILE;
-
-return NULL;
-
-}
-
-#endif /*
- */
-
-if (GNUNET_SYSERR == socket_set_blocking (ret, GNUNET_NO))
-
+ GNUNET_break (0 == close (ret->fd));
+ GNUNET_free (ret);
+ errno = EMFILE;
+ return NULL;
+ }
+
+#endif /* */
+ if (GNUNET_SYSERR == socket_set_blocking (ret, GNUNET_NO))
+
{
-
- /* we might want to treat this one as fatal... */
- GNUNET_break (0);
-
-GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (ret));
-
-return NULL;
-
+
+ /* we might want to treat this one as fatal... */
+ GNUNET_break (0);
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (ret));
+ return NULL;
+ }
+
+#ifndef MINGW
+ if (GNUNET_OK != socket_set_inheritable (ret))
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "socket_set_inheritable");
+
+#endif /* */
+#ifdef DARWIN
+ socket_set_nosigpipe (ret);
+
+#endif /* */
+ if (type == SOCK_STREAM)
+ socket_set_nodelay (ret);
+ return ret;
}
-
-#ifndef MINGW
- if (GNUNET_OK != socket_set_inheritable (ret))
-
-GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
-
-"socket_set_inheritable");
-
-#endif /*
+
+
+/**
+ * Shut down socket operations
+ * @param desc socket
+ * @param how type of shutdown
+ * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
*/
-#ifdef DARWIN
- socket_set_nosigpipe (ret);
-
-#endif /*
- */
- if (type == SOCK_STREAM)
-
-socket_set_nodelay (ret);
-
-
-return ret;
-
+int
+GNUNET_NETWORK_socket_shutdown (struct GNUNET_NETWORK_Handle *desc, int how)
+{
+ int ret;
+ ret = shutdown (desc->fd, how);
+
+#ifdef MINGW
+ if (ret != 0)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+
+#endif /* */
+ return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
}
-
-
-/**
- * Shut down socket operations
- * @param desc socket
- * @param how type of shutdown
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
- */
-int
-GNUNET_NETWORK_socket_shutdown (struct GNUNET_NETWORK_Handle *desc,
-
-int how)
-{
-
-int ret;
-
-
-ret = shutdown (desc->fd, how);
-
-#ifdef MINGW
- if (ret != 0)
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /*
+
+/**
+ * Reset FD set
+ * @param fds fd set
*/
-
-return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
-
+void
+GNUNET_NETWORK_fdset_zero (struct GNUNET_NETWORK_FDSet *fds)
+{
+ FD_ZERO (&fds->sds);
+ fds->nsds = 0;
+
+#ifdef MINGW
+ GNUNET_CONTAINER_slist_clear (fds->handles);
+
+#endif /* */
}
-
-
-
-/**
- * Reset FD set
- * @param fds fd set
- */
-void
-GNUNET_NETWORK_fdset_zero (struct GNUNET_NETWORK_FDSet *fds)
-{
-
-FD_ZERO (&fds->sds);
-
-fds->nsds = 0;
-
-#ifdef MINGW
- GNUNET_CONTAINER_slist_clear (fds->handles);
-
-#endif /*
+/**
+ * Add a socket to the FD set
+ * @param fds fd set
+ * @param desc socket to add
*/
-}
-
-
-
-/**
- * Add a socket to the FD set
- * @param fds fd set
- * @param desc socket to add
- */
-void
+void
GNUNET_NETWORK_fdset_set (struct GNUNET_NETWORK_FDSet *fds,
-
-const struct GNUNET_NETWORK_Handle *desc)
+ const struct GNUNET_NETWORK_Handle *desc)
{
-
-FD_SET (desc->fd, &fds->sds);
-
-
-if (desc->fd + 1 > fds->nsds)
-
-fds->nsds = desc->fd + 1;
-
+ FD_SET (desc->fd, &fds->sds);
+ if (desc->fd + 1 > fds->nsds)
+ fds->nsds = desc->fd + 1;
}
-
-
-
-/**
- * Check whether a socket is part of the fd set
- * @param fds fd set
- * @param desc socket
- * @return 0 if the FD is not set
- */
-int
+
+/**
+ * Check whether a socket is part of the fd set
+ * @param fds fd set
+ * @param desc socket
+ * @return 0 if the FD is not set
+ */
+int
GNUNET_NETWORK_fdset_isset (const struct GNUNET_NETWORK_FDSet *fds,
-
-const struct GNUNET_NETWORK_Handle *desc)
+ const struct GNUNET_NETWORK_Handle *desc)
{
-
-return FD_ISSET (desc->fd, &fds->sds);
-
+ return FD_ISSET (desc->fd, &fds->sds);
}
-
-
-
-/**
- * Add one fd set to another
- * @param dst the fd set to add to
- * @param src the fd set to add from
- */
-void
+
+/**
+ * Add one fd set to another
+ * @param dst the fd set to add to
+ * @param src the fd set to add from
+ */
+void
GNUNET_NETWORK_fdset_add (struct GNUNET_NETWORK_FDSet *dst,
-
-const struct GNUNET_NETWORK_FDSet *src)
+ const struct GNUNET_NETWORK_FDSet *src)
{
-
-int nfds;
-
-
-for (nfds = src->nsds; nfds > 0; nfds--)
-
-if (FD_ISSET (nfds, &src->sds))
-
+ int nfds;
+ for (nfds = src->nsds; nfds > 0; nfds--)
+ if (FD_ISSET (nfds, &src->sds))
+
{
-
-FD_SET (nfds, &dst->sds);
-
-if (nfds + 1 > dst->nsds)
-
-dst->nsds = nfds + 1;
-
+ FD_SET (nfds, &dst->sds);
+ if (nfds + 1 > dst->nsds)
+ dst->nsds = nfds + 1;
+ }
}
-
-}
-
-
-
-/**
- * Copy one fd set to another
- * @param to destination
- * @param from source
- */
-void
+
+/**
+ * Copy one fd set to another
+ * @param to destination
+ * @param from source
+ */
+void
GNUNET_NETWORK_fdset_copy (struct GNUNET_NETWORK_FDSet *to,
-
-const struct GNUNET_NETWORK_FDSet *from)
+ const struct GNUNET_NETWORK_FDSet *from)
{
-
-FD_COPY (&from->sds, &to->sds);
-
-to->nsds = from->nsds;
-
-#ifdef MINGW
+ FD_COPY (&from->sds, &to->sds);
+ to->nsds = from->nsds;
+
+#ifdef MINGW
struct GNUNET_CONTAINER_SList_Iterator *iter;
-
-
-
-GNUNET_CONTAINER_slist_clear (to->handles);
-
-
-for (iter = GNUNET_CONTAINER_slist_begin (from->handles);
-
-GNUNET_CONTAINER_slist_end (iter) != GNUNET_YES;
- GNUNET_CONTAINER_slist_next (iter))
-
+ GNUNET_CONTAINER_slist_clear (to->handles);
+ for (iter = GNUNET_CONTAINER_slist_begin (from->handles);
+ GNUNET_CONTAINER_slist_end (iter) != GNUNET_YES;
+ GNUNET_CONTAINER_slist_next (iter))
+
{
-
-void *handle;
-
-size_t len;
-
-
-handle = GNUNET_CONTAINER_slist_get (iter, &len);
-
-GNUNET_CONTAINER_slist_add (to->handles,
-
GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT,
- handle, len);
-
-}
-#endif /*
- */
-}
-
-
+ void *handle;
+ size_t len;
+ handle = GNUNET_CONTAINER_slist_get (iter, &len);
+ GNUNET_CONTAINER_slist_add (to->handles,
+ GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT,
+ handle, len);
+ }
+#endif /* */
+}
-/**
- * Copy a native fd set
- * @param to destination
- * @param from native source set
- * @param nfds the biggest socket number in from + 1
- */
-void
+/**
+ * Copy a native fd set
+ * @param to destination
+ * @param from native source set
+ * @param nfds the biggest socket number in from + 1
+ */
+void
GNUNET_NETWORK_fdset_copy_native (struct GNUNET_NETWORK_FDSet *to,
-
-const fd_set * from, int nfds)
+ const fd_set * from, int nfds)
{
-
-FD_COPY (from, &to->sds);
-
-to->nsds = nfds;
-
-}
-
-
+ FD_COPY (from, &to->sds);
+ to->nsds = nfds;
+}
-/**
- * Add a file handle to the fd set
- * @param fds fd set
- * @param h the file handle to add
- */
-void
+/**
+ * Add a file handle to the fd set
+ * @param fds fd set
+ * @param h the file handle to add
+ */
+void
GNUNET_NETWORK_fdset_handle_set (struct GNUNET_NETWORK_FDSet *fds,
-
-const struct GNUNET_DISK_FileHandle *h)
+ const struct GNUNET_DISK_FileHandle *h)
{
-
-#ifdef MINGW
- HANDLE hw;
-
-
-GNUNET_DISK_internal_file_handle_ (h, &hw, sizeof (HANDLE));
-
-GNUNET_CONTAINER_slist_add (fds->handles, GNUNET_NO, &hw, sizeof (HANDLE));
-
-#else /*
- */
+
+#ifdef MINGW
+ HANDLE hw;
+ GNUNET_DISK_internal_file_handle_ (h, &hw, sizeof (HANDLE));
+ GNUNET_CONTAINER_slist_add (fds->handles, GNUNET_NO, &hw, sizeof (HANDLE));
+
+#else /* */
int fd;
-
-
-GNUNET_DISK_internal_file_handle_ (h, &fd, sizeof (int));
-
-FD_SET (fd, &fds->sds);
-
-if (fd + 1 > fds->nsds)
-
-fds->nsds = fd + 1;
-
-#endif /*
- */
+ GNUNET_DISK_internal_file_handle_ (h, &fd, sizeof (int));
+ FD_SET (fd, &fds->sds);
+ if (fd + 1 > fds->nsds)
+ fds->nsds = fd + 1;
+
+#endif /* */
}
-
-
-/**
- * Check if a file handle is part of an fd set
- * @param fds fd set
- * @param h file handle
- * @return GNUNET_YES if the file handle is part of the set
- */
-int
+
+/**
+ * Check if a file handle is part of an fd set
+ * @param fds fd set
+ * @param h file handle
+ * @return GNUNET_YES if the file handle is part of the set
+ */
+int
GNUNET_NETWORK_fdset_handle_isset (const struct GNUNET_NETWORK_FDSet *fds,
-
-const struct GNUNET_DISK_FileHandle *h)
+ const struct GNUNET_DISK_FileHandle *h)
{
-
-#ifdef MINGW
- return GNUNET_CONTAINER_slist_contains (fds->handles, h->h,
- sizeof (HANDLE));
-
-#else /*
- */
- return FD_ISSET (h->fd, &fds->sds);
-
-#endif /*
- */
+
+#ifdef MINGW
+ return GNUNET_CONTAINER_slist_contains (fds->handles, h->h,
+ sizeof (HANDLE));
+
+#else /* */
+ return FD_ISSET (h->fd, &fds->sds);
+
+#endif /* */
}
-
-
-/**
- * Checks if two fd sets overlap
- * @param fds1 first fd set
- * @param fds2 second fd set
- * @return GNUNET_YES if they do overlap, GNUNET_NO otherwise
- */
-int
+
+/**
+ * Checks if two fd sets overlap
+ * @param fds1 first fd set
+ * @param fds2 second fd set
+ * @return GNUNET_YES if they do overlap, GNUNET_NO otherwise
+ */
+int
GNUNET_NETWORK_fdset_overlap (const struct GNUNET_NETWORK_FDSet *fds1,
-
-const struct GNUNET_NETWORK_FDSet *fds2)
+ const struct GNUNET_NETWORK_FDSet *fds2)
{
-
-int nfds;
-
-
-nfds = fds1->nsds;
-
-if (nfds < fds2->nsds)
-
-nfds = fds2->nsds;
-
-
-for (; nfds >= 0; nfds--)
-
-if (FD_ISSET (nfds, &fds1->sds) && FD_ISSET (nfds, &fds2->sds))
-
-return GNUNET_YES;
-
-
-return GNUNET_NO;
-
+ int nfds;
+ nfds = fds1->nsds;
+ if (nfds < fds2->nsds)
+ nfds = fds2->nsds;
+ for (; nfds >= 0; nfds--)
+ if (FD_ISSET (nfds, &fds1->sds) && FD_ISSET (nfds, &fds2->sds))
+ return GNUNET_YES;
+ return GNUNET_NO;
}
-
-
-/**
- * Creates an fd set
- * @return a new fd set
- */
-struct GNUNET_NETWORK_FDSet *
-GNUNET_NETWORK_fdset_create ()
-{
-
-struct GNUNET_NETWORK_FDSet *fds;
-
-
-fds = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_FDSet));
-
-#ifdef MINGW
- fds->handles = GNUNET_CONTAINER_slist_create ();
-
-#endif /*
+
+/**
+ * Creates an fd set
+ * @return a new fd set
*/
- GNUNET_NETWORK_fdset_zero (fds);
-
-return fds;
-
+struct GNUNET_NETWORK_FDSet *
+GNUNET_NETWORK_fdset_create ()
+{
+ struct GNUNET_NETWORK_FDSet *fds;
+ fds = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_FDSet));
+
+#ifdef MINGW
+ fds->handles = GNUNET_CONTAINER_slist_create ();
+
+#endif /* */
+ GNUNET_NETWORK_fdset_zero (fds);
+ return fds;
}
-
-
-
-/**
- * Releases the associated memory of an fd set
- * @param fds fd set
- */
-void
-GNUNET_NETWORK_fdset_destroy (struct GNUNET_NETWORK_FDSet *fds)
-{
-
-#ifdef MINGW
- GNUNET_CONTAINER_slist_destroy (fds->handles);
-
-#endif /*
+
+/**
+ * Releases the associated memory of an fd set
+ * @param fds fd set
*/
- GNUNET_free (fds);
-
-}
-
-
+void
+GNUNET_NETWORK_fdset_destroy (struct GNUNET_NETWORK_FDSet *fds)
+{
-/**
- * Check if sockets meet certain conditions
- * @param rfds set of sockets to be checked for readability
- * @param wfds set of sockets to be checked for writability
- * @param efds set of sockets to be checked for exceptions
- * @param timeout relative value when to return
- * @return number of selected sockets, GNUNET_SYSERR on error
- */
-int
+#ifdef MINGW
+ GNUNET_CONTAINER_slist_destroy (fds->handles);
+
+#endif /* */
+ GNUNET_free (fds);
+}
+
+/**
+ * Check if sockets meet certain conditions
+ * @param rfds set of sockets to be checked for readability
+ * @param wfds set of sockets to be checked for writability
+ * @param efds set of sockets to be checked for exceptions
+ * @param timeout relative value when to return
+ * @return number of selected sockets, GNUNET_SYSERR on error
+ */
+int
GNUNET_NETWORK_socket_select (struct GNUNET_NETWORK_FDSet *rfds,
-
-struct GNUNET_NETWORK_FDSet *wfds,
-
-struct GNUNET_NETWORK_FDSet *efds,
-
-const struct GNUNET_TIME_Relative timeout)
+ struct GNUNET_NETWORK_FDSet *wfds,
+ struct GNUNET_NETWORK_FDSet *efds,
+ const struct GNUNET_TIME_Relative timeout)
{
-
-int nfds;
-
-
-nfds = 0;
-
-if (NULL != rfds)
-
-nfds = rfds->nsds;
-
-if (NULL != wfds)
-
-nfds = GNUNET_MAX (nfds, wfds->nsds);
-
-if (NULL != efds)
-
-nfds = GNUNET_MAX (nfds, efds->nsds);
-
-
-#ifndef MINGW
+ int nfds;
+ nfds = 0;
+ if (NULL != rfds)
+ nfds = rfds->nsds;
+ if (NULL != wfds)
+ nfds = GNUNET_MAX (nfds, wfds->nsds);
+ if (NULL != efds)
+ nfds = GNUNET_MAX (nfds, efds->nsds);
+
+#ifndef MINGW
struct timeval tv;
-
-
-tv.tv_sec = timeout.value / GNUNET_TIME_UNIT_SECONDS.value;
-
-tv.tv_usec =
+ tv.tv_sec = timeout.value / GNUNET_TIME_UNIT_SECONDS.value;
+ tv.tv_usec =
1000 * (timeout.value - (tv.tv_sec * GNUNET_TIME_UNIT_SECONDS.value));
-
-if ((nfds == 0) &&
-(timeout.value == GNUNET_TIME_UNIT_FOREVER_REL.value))
-
+ if ((nfds == 0) && (timeout.value == GNUNET_TIME_UNIT_FOREVER_REL.value))
+
{
-
-GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-
-_
- ("Fatal internal logic error, process hangs in `%s' (abort
with CTRL-C)!\n"),
-
-"select");
-
-GNUNET_break (0);
-
-}
-
-return select (nfds + 1,
- (rfds != NULL) ? &rfds->sds : NULL,
- (wfds != NULL) ? &wfds->sds : NULL,
- (efds != NULL) ? &efds->sds : NULL,
- (timeout.value == GNUNET_TIME_UNIT_FOREVER_REL.value)
- ? NULL
- : &tv);
-
-#else /*
- */
- DWORD limit;
-
-fd_set sock_read, sock_write, sock_except;
-
-fd_set aread, awrite, aexcept;
-
-int i;
-
-struct timeval tvslice;
-
-int retcode;
-
-DWORD ms_total;
-
-
-#define SAFE_FD_ISSET(fd, set) (set != NULL && FD_ISSET(fd, set))
-
- /* calculate how long we need to wait in milliseconds */
- if (timeout.value == GNUNET_TIME_UNIT_FOREVER_REL.value)
-
-ms_total = INFINITE;
-
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("Fatal internal logic error, process hangs in `%s' (abort
with CTRL-C)!\n"),
+ "select");
+ GNUNET_break (0);
+ }
+ return select (nfds + 1,
+ (rfds != NULL) ? &rfds->sds : NULL,
+ (wfds != NULL) ? &wfds->sds : NULL,
+ (efds != NULL) ? &efds->sds : NULL,
+ (timeout.value == GNUNET_TIME_UNIT_FOREVER_REL.value)
+ ? NULL : &tv);
+
+#else /* */
+ DWORD limit;
+ fd_set sock_read, sock_write, sock_except;
+ fd_set aread, awrite, aexcept;
+ int i;
+ struct timeval tvslice;
+ int retcode;
+ DWORD ms_total;
+
+#define SAFE_FD_ISSET(fd, set) (set != NULL && FD_ISSET(fd, set))
+
+ /* calculate how long we need to wait in milliseconds */
+ if (timeout.value == GNUNET_TIME_UNIT_FOREVER_REL.value)
+ ms_total = INFINITE;
+
else
-
-ms_total = timeout.value / GNUNET_TIME_UNIT_MILLISECONDS.value;
-
-
- /* select() may be used as a portable way to sleep */
- if (!(rfds || wfds || efds))
-
+ ms_total = timeout.value / GNUNET_TIME_UNIT_MILLISECONDS.value;
+
+ /* select() may be used as a portable way to sleep */
+ if (!(rfds || wfds || efds))
+
{
-
-Sleep (ms_total);
-
-return 0;
-
-}
-
-
-if (rfds)
-
-sock_read = rfds->sds;
-
+ Sleep (ms_total);
+ return 0;
+ }
+ if (rfds)
+ sock_read = rfds->sds;
+
else
-
-FD_ZERO (&sock_read);
-
-
-if (wfds)
-
-sock_write = wfds->sds;
-
+ FD_ZERO (&sock_read);
+ if (wfds)
+ sock_write = wfds->sds;
+
else
-
-FD_ZERO (&sock_write);
-
-
-if (efds)
-
-sock_except = efds->sds;
-
+ FD_ZERO (&sock_write);
+ if (efds)
+ sock_except = efds->sds;
+
else
-
-FD_ZERO (&sock_except);
-
-
- /* multiplex between winsock select() and waiting on the handles */
-
-FD_ZERO (&aread);
-
-FD_ZERO (&awrite);
-
-FD_ZERO (&aexcept);
-
-
-limit = GetTickCount () + ms_total;
-
+ FD_ZERO (&sock_except);
+
+ /* multiplex between winsock select() and waiting on the handles */
+ FD_ZERO (&aread);
+ FD_ZERO (&awrite);
+ FD_ZERO (&aexcept);
+ limit = GetTickCount () + ms_total;
+
do
-
+
{
-
-retcode = 0;
-
-
-if (nfds > 0)
-
+ retcode = 0;
+ if (nfds > 0)
+
{
-
- /* overwrite the zero'd sets here; the select call
- * will clear those that are not active */
-
-FD_COPY (&sock_read, &aread);
-
-FD_COPY (&sock_write, &awrite);
-
-FD_COPY (&sock_except, &aexcept);
-
-
-tvslice.tv_sec = 0;
-
-tvslice.tv_usec = 100000;
-
-
-if ((retcode =
-
-select (nfds + 1, &aread, &awrite, &aexcept,
-
-&tvslice)) == SOCKET_ERROR)
-
+
+ /* overwrite the zero'd sets here; the select call
+ * will clear those that are not active */
+ FD_COPY (&sock_read, &aread);
+ FD_COPY (&sock_write, &awrite);
+ FD_COPY (&sock_except, &aexcept);
+ tvslice.tv_sec = 0;
+ tvslice.tv_usec = 100000;
+ if ((retcode =
+ select (nfds + 1, &aread, &awrite, &aexcept,
+ &tvslice)) == SOCKET_ERROR)
+
{
-
-SetErrnoFromWinsockError (WSAGetLastError ());
-
-if (errno == ENOTSOCK)
-
-errno = EBADF;
-
-
-#if DEBUG_NETWORK
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "select");
-
-#endif /*
- */
-
-goto select_loop_end;
-
-}
-
-}
-
-
- /* Poll read pipes */
- if (rfds)
-
+ SetErrnoFromWinsockError (WSAGetLastError ());
+ if (errno == ENOTSOCK)
+ errno = EBADF;
+
+#if DEBUG_NETWORK
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "select");
+
+#endif /* */
+ goto select_loop_end;
+ }
+ }
+
+ /* Poll read pipes */
+ if (rfds)
+
{
-
-struct GNUNET_CONTAINER_SList_Iterator *i;
-
-int on_next;
-
-
-on_next = GNUNET_NO;
-
-for (i = GNUNET_CONTAINER_slist_begin (rfds->handles);
-
-GNUNET_CONTAINER_slist_end (i) != GNUNET_YES;
-
-on_next || GNUNET_CONTAINER_slist_next (i))
-
+ struct GNUNET_CONTAINER_SList_Iterator *i;
+ int on_next;
+ on_next = GNUNET_NO;
+ for (i = GNUNET_CONTAINER_slist_begin (rfds->handles);
+ GNUNET_CONTAINER_slist_end (i) != GNUNET_YES;
+ on_next || GNUNET_CONTAINER_slist_next (i))
+
{
-
-HANDLE h;
-
-DWORD dwBytes;
-
-
-h = *(HANDLE *) GNUNET_CONTAINER_slist_get (i, NULL);
-
-on_next = GNUNET_NO;
-
-
-if (!PeekNamedPipe (h, NULL, 0, NULL, &dwBytes, NULL))
-
+ HANDLE h;
+ DWORD dwBytes;
+ h = *(HANDLE *) GNUNET_CONTAINER_slist_get (i, NULL);
+ on_next = GNUNET_NO;
+ if (!PeekNamedPipe (h, NULL, 0, NULL, &dwBytes, NULL))
+
{
-
-GNUNET_CONTAINER_slist_erase (i);
-
-on_next = GNUNET_YES;
-
-
-retcode = -1;
-
-SetErrnoFromWinError (GetLastError ());
-
-#if DEBUG_NETWORK
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
- "PeekNamedPipe");
-
-#endif /*
- */
- goto select_loop_end;
-
-}
-
+ GNUNET_CONTAINER_slist_erase (i);
+ on_next = GNUNET_YES;
+ retcode = -1;
+ SetErrnoFromWinError (GetLastError ());
+
+#if DEBUG_NETWORK
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR,
+ "PeekNamedPipe");
+
+#endif /* */
+ goto select_loop_end;
+ }
+
else if (dwBytes)
-
+
{
-
-retcode++;
-
-}
-
+ retcode++;
+ }
+
else
-
+
{
-
-GNUNET_CONTAINER_slist_erase (i);
-
-on_next = GNUNET_YES;
-
-}
-
-}
-
-}
-
-
- /* Poll for faulty pipes */
- if (efds)
-
+ GNUNET_CONTAINER_slist_erase (i);
+ on_next = GNUNET_YES;
+ }
+ }
+ }
+
+ /* Poll for faulty pipes */
+ if (efds)
+
{
-
-struct GNUNET_CONTAINER_SList_Iterator *i;
-
-int on_next;
-
-
-on_next = GNUNET_NO;
-
-for (i = GNUNET_CONTAINER_slist_begin (efds->handles);
-
-GNUNET_CONTAINER_slist_end (i) != GNUNET_YES;
-
-on_next || GNUNET_CONTAINER_slist_next (i))
-
+ struct GNUNET_CONTAINER_SList_Iterator *i;
+ int on_next;
+ on_next = GNUNET_NO;
+ for (i = GNUNET_CONTAINER_slist_begin (efds->handles);
+ GNUNET_CONTAINER_slist_end (i) != GNUNET_YES;
+ on_next || GNUNET_CONTAINER_slist_next (i))
+
{
-
-HANDLE h;
-
-DWORD dwBytes;
-
-
-h = *(HANDLE *) GNUNET_CONTAINER_slist_get (i, NULL);
-
-
-if (PeekNamedPipe (h, NULL, 0, NULL, &dwBytes, NULL))
-
+ HANDLE h;
+ DWORD dwBytes;
+ h = *(HANDLE *) GNUNET_CONTAINER_slist_get (i, NULL);
+ if (PeekNamedPipe (h, NULL, 0, NULL, &dwBytes, NULL))
+
{
-
-GNUNET_CONTAINER_slist_erase (i);
-
-on_next = GNUNET_YES;
-
-
-retcode++;
-
-}
-
+ GNUNET_CONTAINER_slist_erase (i);
+ on_next = GNUNET_YES;
+ retcode++;
+ }
+
else
-
-on_next = GNUNET_NO;
-
-}
-
-}
-
-
- /* FIXME */
- if (wfds)
-
-GNUNET_assert (GNUNET_CONTAINER_slist_count (wfds->handles) == 0);
-
-
- /* Check for closed sockets */
- for (i = 0; i < nfds; i++)
-
+ on_next = GNUNET_NO;
+ }
+ }
+
+ /* FIXME */
+ if (wfds)
+ GNUNET_assert (GNUNET_CONTAINER_slist_count (wfds->handles) == 0);
+
+ /* Check for closed sockets */
+ for (i = 0; i < nfds; i++)
+
{
-
-if (SAFE_FD_ISSET (i, &sock_read))
-
+ if (SAFE_FD_ISSET (i, &sock_read))
+
{
-
-struct sockaddr addr;
-
-int len;
-
-
-if (getpeername (i, &addr, &len) == SOCKET_ERROR)
-
+ struct sockaddr addr;
+ int len;
+ if (getpeername (i, &addr, &len) == SOCKET_ERROR)
+
{
-
-int err, len;
-
-
-len = sizeof (err);
-
-if (getsockopt
- (i, SOL_SOCKET, SO_ERROR, (char *) &err, &len) == 0
- &&err == WSAENOTCONN)
-
+ int err, len;
+ len = sizeof (err);
+ if (getsockopt
+ (i, SOL_SOCKET, SO_ERROR, (char *) &err, &len) == 0
+ && err == WSAENOTCONN)
+
{
-
-if (!SAFE_FD_ISSET (i, &aread))
-
+ if (!SAFE_FD_ISSET (i, &aread))
+
{
-
-FD_SET (i, &aread);
-
-retcode++;
-
-}
-
-}
-
-}
-
-}
-
-}
-
-
-select_loop_end:;
-
-}
-
-while (retcode == 0 && (ms_total == INFINITE || GetTickCount () < limit));
-
-
-if (retcode != -1)
-
+ FD_SET (i, &aread);
+ retcode++;
+ }
+ }
+ }
+ }
+ }
+ select_loop_end:;
+ }
+ while (retcode == 0 && (ms_total == INFINITE || GetTickCount () < limit));
+ if (retcode != -1)
+
{
-
-if (rfds)
-
+ if (rfds)
+
{
-
-GNUNET_NETWORK_fdset_zero (rfds);
-
-GNUNET_NETWORK_fdset_copy_native (rfds, &aread, retcode);
-
-}
-
-
-if (wfds)
-
+ GNUNET_NETWORK_fdset_zero (rfds);
+ GNUNET_NETWORK_fdset_copy_native (rfds, &aread, retcode);
+ }
+ if (wfds)
+
{
-
-GNUNET_NETWORK_fdset_zero (wfds);
-
-GNUNET_NETWORK_fdset_copy_native (wfds, &awrite, retcode);
-
-}
-
-
-if (efds)
-
+ GNUNET_NETWORK_fdset_zero (wfds);
+ GNUNET_NETWORK_fdset_copy_native (wfds, &awrite, retcode);
+ }
+ if (efds)
+
{
-
-GNUNET_NETWORK_fdset_zero (efds);
-
-GNUNET_NETWORK_fdset_copy_native (efds, &aexcept, retcode);
-
+ GNUNET_NETWORK_fdset_zero (efds);
+ GNUNET_NETWORK_fdset_copy_native (efds, &aexcept, retcode);
+ }
+ }
+ return retcode;
+
+#endif /* */
}
-
-}
-
-
-return retcode;
-
-#endif /*
- */
-}
-
-
-
-/* end of network.c */
+
+/* end of network.c */
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