/*
This file is part of GNUnet.
- (C) 2009, 2012 Christian Grothoff (and other contributing authors)
+ (C) 2009-2013 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
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
*/
int af;
+ /**
+ * Type of the socket
+ */
+ int type;
+
/**
* Number of bytes in addr.
*/
* Test if the given protocol family is supported by this system.
*
* @param pf protocol family to test (PF_INET, PF_INET6, PF_UNIX)
- * @return GNUNET_OK if the PF is supported
+ * @return #GNUNET_OK if the PF is supported
*/
int
GNUNET_NETWORK_test_pf (int pf)
struct sockaddr_un dummy;
size_t slen;
char *end;
- struct GNUNET_CRYPTO_ShortHashCode sh;
- struct GNUNET_CRYPTO_ShortHashAsciiEncoded ae;
+ struct GNUNET_HashCode sh;
+ struct GNUNET_CRYPTO_HashAsciiEncoded ae;
size_t upm;
upm = sizeof (dummy.sun_path);
slen = strlen (unixpath);
if (slen < upm)
return unixpath; /* no shortening required */
- GNUNET_CRYPTO_short_hash (unixpath, slen, &sh);
- while (sizeof (struct GNUNET_CRYPTO_ShortHashAsciiEncoded) +
+ GNUNET_CRYPTO_hash (unixpath, slen, &sh);
+ while (sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded) +
strlen (unixpath) >= upm)
{
if (NULL == (end = strrchr (unixpath, '/')))
}
*end = '\0';
}
- GNUNET_CRYPTO_short_hash_to_enc (&sh, &ae);
- strcat (unixpath, (char*) ae.short_encoding);
+ GNUNET_CRYPTO_hash_to_enc (&sh, &ae);
+ strcat (unixpath, (char*) ae.encoding);
return unixpath;
}
*
* @param fd socket
* @param doBlock blocking mode
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_NETWORK_socket_set_blocking (struct GNUNET_NETWORK_Handle *fd, int doBlock)
* Make a socket non-inheritable to child processes
*
* @param h the socket to make non-inheritable
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
* @warning Not implemented on Windows
*/
static int
int abs_value = 1;
if (0 !=
- setsockopt (h->fd, SOL_SOCKET, SO_NOSIGPIPE, &abs_value,
+ setsockopt (h->fd, SOL_SOCKET, SO_NOSIGPIPE,
+ (const void *) &abs_value,
sizeof (abs_value)))
LOG_STRERROR (GNUNET_ERROR_TYPE_WARNING, "setsockopt");
}
const char *abs_value = "1";
if (0 !=
- setsockopt (h->fd, IPPROTO_TCP, TCP_NODELAY, abs_value,
+ setsockopt (h->fd, IPPROTO_TCP, TCP_NODELAY,
+ (const void *) abs_value,
sizeof (abs_value)))
LOG_STRERROR (GNUNET_ERROR_TYPE_WARNING, "setsockopt");
#endif
* Perform proper canonical initialization for a network handle.
* Set it to non-blocking, make it non-inheritable to child
* processes, disable SIGPIPE, enable "nodelay" (if non-UNIX
- * stream socket) and check that it is smaller than FS_SETSIZE.
+ * stream socket) and check that it is smaller than FD_SETSIZE.
*
* @param h socket to initialize
* @param af address family of the socket
* @param type socket type
- * @return GNUNET_OK on success, GNUNET_SYSERR if initialization
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR if initialization
* failed and the handle was destroyed
*/
static int
int af, int type)
{
h->af = af;
+ h->type = type;
if (h->fd == INVALID_SOCKET)
{
#ifdef MINGW
/**
- * Bind to a connected socket
+ * Bind a socket to a particular address.
*
* @param desc socket to bind
* @param address address to be bound
* @param address_len length of address
* @param flags flags affecting bind behaviour
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_NETWORK_socket_bind (struct GNUNET_NETWORK_Handle *desc,
const int on = 1;
if (desc->af == AF_INET6)
- if (setsockopt (desc->fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on)))
+ if (setsockopt (desc->fd, IPPROTO_IPV6, IPV6_V6ONLY,
+ (const void *) &on,
+ sizeof (on)))
LOG_STRERROR (GNUNET_ERROR_TYPE_DEBUG, "setsockopt");
}
#endif
{
const int on = 1;
- /* This is required, and required here, but only on UNIX */
- if (0 != setsockopt (desc->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)))
+ /* This is required here for TCP sockets, but only on UNIX */
+ if ((SOCK_STREAM == desc->type)
+ && (0 != setsockopt (desc->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on))))
LOG_STRERROR (GNUNET_ERROR_TYPE_DEBUG, "setsockopt");
}
#endif
/**
* Close a socket
+ *
* @param desc socket
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_NETWORK_socket_close (struct GNUNET_NETWORK_Handle *desc)
}
#endif
#endif
+ GNUNET_NETWORK_socket_free_memory_only_ (desc);
+ return (ret == 0) ? GNUNET_OK : GNUNET_SYSERR;
+}
+
+
+/**
+ * Only free memory of a socket, keep the file descriptor untouched.
+ *
+ * @param desc socket
+ */
+void
+GNUNET_NETWORK_socket_free_memory_only_ (struct GNUNET_NETWORK_Handle *desc)
+{
GNUNET_free_non_null (desc->addr);
GNUNET_free (desc);
- return (ret == 0) ? GNUNET_OK : GNUNET_SYSERR;
}
/**
- * Connect a socket
+ * Connect a socket to some remote address.
+ *
* @param desc socket
* @param address peer address
* @param address_len length of address
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_NETWORK_socket_connect (const struct GNUNET_NETWORK_Handle *desc,
* @param optname identifier of the option
* @param optval options
* @param optlen length of optval
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_NETWORK_socket_getsockopt (const struct GNUNET_NETWORK_Handle *desc,
/**
* Listen on a socket
+ *
* @param desc socket
* @param backlog length of the listen queue
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_NETWORK_socket_listen (const struct GNUNET_NETWORK_Handle *desc,
/**
* How much data is available to be read on this descriptor?
*
- * Returns GNUNET_NO if no data is available, or on error!
* @param desc socket
+ * @returns #GNUNET_NO if no data is available, or on error!
*/
ssize_t
GNUNET_NETWORK_socket_recvfrom_amount (const struct GNUNET_NETWORK_Handle *
/**
- * Read data from a connected socket (always non-blocking).
+ * Read data from a socket (always non-blocking).
+ *
* @param desc socket
* @param buffer buffer
* @param length length of buffer
* @param addrlen length of the addr
*/
ssize_t
-GNUNET_NETWORK_socket_recvfrom (const struct GNUNET_NETWORK_Handle * desc,
+GNUNET_NETWORK_socket_recvfrom (const struct GNUNET_NETWORK_Handle *desc,
void *buffer, size_t length,
- struct sockaddr * src_addr, socklen_t * addrlen)
+ struct sockaddr *src_addr, socklen_t *addrlen)
{
int ret;
int flags;
/**
* Read data from a connected socket (always non-blocking).
+ *
* @param desc socket
* @param buffer buffer
* @param length length of buffer
* @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
+ * @return number of bytes sent, #GNUNET_SYSERR on error
*/
ssize_t
GNUNET_NETWORK_socket_sendto (const struct GNUNET_NETWORK_Handle * desc,
/**
* 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
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_NETWORK_socket_setsockopt (struct GNUNET_NETWORK_Handle *fd, int level,
* reduces the OS send buffers to zero.
*
* @param desc socket
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_NETWORK_socket_disable_corking (struct GNUNET_NETWORK_Handle *desc)
/**
* Reset FD set
+ *
* @param fds fd set
*/
void
#endif
}
+
/**
* Add a socket to the FD set
+ *
* @param fds fd set
* @param desc socket to add
*/
/**
* 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
/**
* Add one fd set to another
+ *
* @param dst the fd set to add to
* @param src the fd set to add from
*/
return desc->fd;
}
+
/**
* Return sockaddr for this network handle
*
return desc->addr;
}
+
/**
* Return sockaddr length for this network handle
*
{
return desc->addrlen;
}
+
+
/**
* Copy a native fd set
*
*
* @param to set to test, NULL for empty set
* @param nfd native FD to test, or -1 for none
- * @return GNUNET_YES if FD is set in the set
+ * @return #GNUNET_YES if FD is set in the set
*/
int
GNUNET_NETWORK_fdset_test_native (const struct GNUNET_NETWORK_FDSet *to,
* 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
+ * @return #GNUNET_YES if the file handle is part of the set
*/
int
GNUNET_NETWORK_fdset_handle_isset (const struct GNUNET_NETWORK_FDSet *fds,
* 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
+ * @return #GNUNET_YES if they do overlap, #GNUNET_NO otherwise
*/
int
GNUNET_NETWORK_fdset_overlap (const struct GNUNET_NETWORK_FDSet *fds1,
/**
* Creates an fd set
+ *
* @return a new fd set
*/
struct GNUNET_NETWORK_FDSet *
/**
* Releases the associated memory of an fd set
+ *
* @param fds fd set
*/
void
}
#endif
+
/**
* Check if sockets or pipes meet certain conditions
* @param rfds set of sockets or pipes to be checked for readability
* @param wfds set of sockets or pipes to be checked for writability
* @param efds set of sockets or pipes to be checked for exceptions
* @param timeout relative value when to return
- * @return number of selected sockets or pipes, GNUNET_SYSERR on error
+ * @return number of selected sockets or pipes, #GNUNET_SYSERR on error
*/
int
GNUNET_NETWORK_socket_select (struct GNUNET_NETWORK_FDSet *rfds,
int i = 0;
int retcode = 0;
- DWORD ms_total = 0;
+ uint64_t mcs_total = 0;
+ DWORD ms_rounded = 0;
int nhandles = 0;
}
if ((nfds == 0) &&
- (timeout.rel_value == GNUNET_TIME_UNIT_FOREVER_REL.rel_value)
+ (timeout.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us)
#ifdef MINGW
&& handles == 0
#endif
"select");
}
#ifndef MINGW
- tv.tv_sec = timeout.rel_value / GNUNET_TIME_UNIT_SECONDS.rel_value;
+ tv.tv_sec = timeout.rel_value_us / GNUNET_TIME_UNIT_SECONDS.rel_value_us;
tv.tv_usec =
- 1000 * (timeout.rel_value -
- (tv.tv_sec * GNUNET_TIME_UNIT_SECONDS.rel_value));
- return select (nfds, (rfds != NULL) ? &rfds->sds : NULL,
- (wfds != NULL) ? &wfds->sds : NULL,
- (efds != NULL) ? &efds->sds : NULL,
- (timeout.rel_value ==
- GNUNET_TIME_UNIT_FOREVER_REL.rel_value) ? NULL : &tv);
+ (timeout.rel_value_us -
+ (tv.tv_sec * GNUNET_TIME_UNIT_SECONDS.rel_value_us));
+ return select (nfds,
+ (NULL != rfds) ? &rfds->sds : NULL,
+ (NULL != wfds) ? &wfds->sds : NULL,
+ (NULL != efds) ? &efds->sds : NULL,
+ (timeout.rel_value_us ==
+ GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us) ? NULL : &tv);
#else
#define SAFE_FD_ISSET(fd, set) (set != NULL && FD_ISSET(fd, set))
- /* calculate how long we need to wait in milliseconds */
- if (timeout.rel_value == GNUNET_TIME_UNIT_FOREVER_REL.rel_value)
- ms_total = INFINITE;
+ /* calculate how long we need to wait in microseconds */
+ if (timeout.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us)
+ {
+ mcs_total = INFINITE;
+ ms_rounded = INFINITE;
+ }
else
{
- ms_total = timeout.rel_value / GNUNET_TIME_UNIT_MILLISECONDS.rel_value;
- if (timeout.rel_value / GNUNET_TIME_UNIT_MILLISECONDS.rel_value > 0xFFFFFFFFLL - 1)
- {
- GNUNET_break (0);
- ms_total = 0xFFFFFFFF - 1;
- }
+ mcs_total = timeout.rel_value_us / GNUNET_TIME_UNIT_MICROSECONDS.rel_value_us;
+ ms_rounded = (DWORD) (mcs_total / GNUNET_TIME_UNIT_MILLISECONDS.rel_value_us);
+ if (mcs_total > 0 && ms_rounded == 0)
+ ms_rounded = 1;
}
/* select() may be used as a portable way to sleep */
if (!(rfds || wfds || efds))
{
- Sleep (ms_total);
+ Sleep (ms_rounded);
return 0;
}
- if (select_thread == NULL)
+ if (NULL == select_thread)
{
SOCKET select_listening_socket = -1;
struct sockaddr_in s_in;
select_standby_event = CreateEvent (NULL, TRUE, FALSE, NULL);
select_finished_event = CreateEvent (NULL, TRUE, FALSE, NULL);
- select_wakeup_socket = WSASocket (AF_INET, SOCK_STREAM, IPPROTO_TCP, NULL, 0, WSA_FLAG_OVERLAPPED);
+ select_wakeup_socket = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
- select_listening_socket = WSASocket (AF_INET, SOCK_STREAM, IPPROTO_TCP, NULL, 0, WSA_FLAG_OVERLAPPED);
+ select_listening_socket = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
p = 1;
res = ioctlsocket (select_wakeup_socket, FIONBIO, &p);
/* If our select returned something or is a 0-timed request, then also check the pipes and get out of here! */
/* Sadly, it means code duplication :( */
- if ((selectret > 0) || (ms_total == 0))
+ if ((selectret > 0) || (mcs_total == 0))
{
/* Read Pipes */
if (rfds && read_handles)
if (nfds > 0)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Adding the socket event to the array as %d\n", nhandles);
+ "Adding the socket event to the array as %d\n",
+ nhandles);
handle_array[nhandles++] = select_finished_event;
- if (timeout.rel_value == GNUNET_TIME_UNIT_FOREVER_REL.rel_value)
+ if (timeout.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us)
sp.tv = NULL;
else
{
- select_timeout.tv_sec = timeout.rel_value / GNUNET_TIME_UNIT_SECONDS.rel_value;
- select_timeout.tv_usec = 1000 * (timeout.rel_value -
- (select_timeout.tv_sec * GNUNET_TIME_UNIT_SECONDS.rel_value));
+ select_timeout.tv_sec = timeout.rel_value_us / GNUNET_TIME_UNIT_SECONDS.rel_value_us;
+ select_timeout.tv_usec =(timeout.rel_value_us -
+ (select_timeout.tv_sec * GNUNET_TIME_UNIT_SECONDS.rel_value_us));
sp.tv = &select_timeout;
}
FD_SET (select_wakeup_socket, &aread);
+ do
+ {
+ i = recv (select_wakeup_socket, (char *) &returnedpos, 1, 0);
+ } while (i == 1);
sp.r = &aread;
sp.w = &awrite;
sp.e = &aexcept;
}
handle_array[nhandles] = NULL;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "nfds: %d, handles: %d, will wait: %llu ms\n",
- nfds, nhandles, (unsigned long long) ms_total);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "nfds: %d, handles: %d, will wait: %llu mcs\n",
+ nfds, nhandles, mcs_total);
if (nhandles)
{
returncode =
- WaitForMultipleObjects (nhandles, handle_array, FALSE, ms_total);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "WaitForMultipleObjects Returned : %d\n",
- returncode);
+ WaitForMultipleObjects (nhandles, handle_array, FALSE, ms_rounded);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "WaitForMultipleObjects Returned : %d\n", returncode);
}
else if (nfds > 0)
{
+ GNUNET_break (0); /* This branch shouldn't actually be executed...*/
i = (int) WaitForSingleObject (select_finished_event, INFINITE);
returncode = WAIT_TIMEOUT;
}
/* Don't wake up select-thread when delay is 0, it should return immediately
* and wake up by itself.
*/
- if (ms_total != 0)
+ if (mcs_total != 0)
i = send (select_send_socket, (const char *) &returnedpos, 1, 0);
i = (int) WaitForSingleObject (select_finished_event, INFINITE);
LOG (GNUNET_ERROR_TYPE_DEBUG, "Finished waiting for the select thread: %d %d\n", i, sp.status);
- if (ms_total != 0)
+ if (mcs_total != 0)
{
do
{
projects / oweals / gnunet.git / blobdiff