struct GNUNET_NETWORK_Handle
{
+#ifndef MINGW
int fd;
+
+#else
+ SOCKET fd;
+#endif
+
};
#ifdef WINDOWS
/**
- * Linked list of handles
+ * Linked list of handles
*/
struct GNUNET_CONTAINER_SList *handles;
#endif
socket_set_inheritable (const struct GNUNET_NETWORK_Handle *h)
{
int i;
- i = fcntl (h->fd, F_GETFD);
+
+ i = fcntl (h->fd, F_GETFD);
+ if (i < 0)
+ return GNUNET_SYSERR;
if (i == (i | FD_CLOEXEC))
return GNUNET_OK;
- return (fcntl (h->fd, F_SETFD, i | FD_CLOEXEC) == 0)
- ? GNUNET_OK : GNUNET_SYSERR;
+ i |= FD_CLOEXEC;
+ if (fcntl (h->fd, F_SETFD, i) < 0)
+ return GNUNET_SYSERR;
+ return GNUNET_OK;
}
#endif
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)
#ifdef DARWIN
socket_set_nosigpipe (ret);
#endif
- socket_set_nodelay (ret);
+#ifdef AF_UNIX
+ if (address->sa_family != AF_UNIX)
+#endif
+ socket_set_nodelay (ret);
return ret;
}
#ifdef MINGW
if (SOCKET_ERROR == ret)
SetErrnoFromWinsockError (WSAGetLastError ());
+#else
+#ifndef LINUX
+ if ( (ret == 0) && (address->sa_family == AF_UNIX))
+ {
+ const struct sockaddr_un *un = (const struct sockaddr_un*) address;
+ if (0 != unlink (un->sun_path))
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
+ "unlink",
+ un->sun_path);
+ }
+#endif
#endif
return ret == 0 ? GNUNET_OK : GNUNET_SYSERR;
}
GNUNET_NETWORK_socket_close (struct GNUNET_NETWORK_Handle *desc)
{
int ret;
- int eno;
#ifdef MINGW
ret = closesocket (desc->fd);
#else
ret = close (desc->fd);
#endif
- eno = errno;
GNUNET_free (desc);
- errno = eno;
return (ret == 0) ? GNUNET_OK : GNUNET_SYSERR;
}
+/**
+ * Box a native socket (and check that it is a socket).
+ *
+ * @param fd socket to box
+ * @return NULL on error (including not supported on target platform)
+ */
+struct GNUNET_NETWORK_Handle *
+GNUNET_NETWORK_socket_box_native (int fd)
+{
+#if MINGW
+ return NULL;
+#else
+ struct GNUNET_NETWORK_Handle *ret;
+
+ if (fcntl (fd, F_GETFD) < 0)
+ return NULL; /* invalid FD */
+ ret = GNUNET_malloc (sizeof (struct GNUNET_NETWORK_Handle));
+ ret->fd = fd;
+ return ret;
+#endif
+}
+
+
/**
* Connect a socket
* @param desc socket
}
+/**
+ * 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
+ */
+ssize_t
+GNUNET_NETWORK_socket_recvfrom_amount (const struct GNUNET_NETWORK_Handle
+ *desc)
+{
+ int error;
+ int pending;
+
+ /* How much is there to be read? */
+#ifndef WINDOWS
+ error = ioctl (desc->fd, FIONREAD, &pending);
+ if (error == 0)
+#else
+ error = ioctlsocket (desc->fd, FIONREAD, &pending);
+ if (error != SOCKET_ERROR)
+#endif
+ return pending;
+ else
+ return GNUNET_NO;
+}
+
+/**
+ * Read data from a connected socket (always non-blocking).
+ * @param desc socket
+ * @param buffer buffer
+ * @param length length of buffer
+ * @param src_addr either the source to recv from, or all zeroes
+ * to be filled in by recvfrom
+ * @param addrlen length of the addr
+ */
+ssize_t
+GNUNET_NETWORK_socket_recvfrom (const struct GNUNET_NETWORK_Handle * desc,
+ void *buffer, size_t length,
+ struct sockaddr * src_addr,
+ socklen_t * addrlen)
+{
+ int ret;
+ int flags;
+ flags = 0;
+
+#ifdef MSG_DONTWAIT
+ flags |= MSG_DONTWAIT;
+
+#endif
+ ret = recvfrom (desc->fd, buffer, length, flags, src_addr, addrlen);
+#ifdef MINGW
+ if (SOCKET_ERROR == ret)
+ SetErrnoFromWinsockError (WSAGetLastError ());
+#endif
+ return ret;
+}
+
+
/**
* Read data from a connected socket (always non-blocking).
* @param desc socket
#ifdef MSG_DONTWAIT
flags |= MSG_DONTWAIT;
-
-#endif /* */
+#endif
ret = recv (desc->fd, buffer, length, flags);
-
#ifdef MINGW
if (SOCKET_ERROR == ret)
SetErrnoFromWinsockError (WSAGetLastError ());
-
-#endif /* */
+#endif
return ret;
}
#ifdef DARWIN
socket_set_nosigpipe (ret);
#endif
- if (type == SOCK_STREAM)
+ if ( (type == SOCK_STREAM)
+#ifdef AF_UNIX
+ && (domain != AF_UNIX)
+#endif
+ )
socket_set_nodelay (ret);
return ret;
}
#endif
}
+int
+GNUNET_NETWORK_get_fd (struct GNUNET_NETWORK_Handle *desc)
+{
+ return desc->fd;
+}
+
/**
* Copy a native fd set
*
to->nsds = nfds;
}
+
+/**
+ * Set a native fd in a set
+ *
+ * @param to destination
+ * @param nfd native FD to set
+ */
+void GNUNET_NETWORK_fdset_set_native (struct GNUNET_NETWORK_FDSet *to,
+ int nfd)
+{
+ FD_SET (nfd, &to->sds);
+ to->nsds = GNUNET_MAX (nfd + 1, to->nsds);
+}
+
+
+/**
+ * Test native fd in a 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
+ */
+int
+GNUNET_NETWORK_fdset_test_native (const struct GNUNET_NETWORK_FDSet *to,
+ int nfd)
+{
+ if ( (nfd == -1) || (to == NULL) )
+ return GNUNET_NO;
+ return FD_ISSET (nfd, &to->sds) ? GNUNET_YES : GNUNET_NO;
+}
+
+
/**
* Add a file handle to the fd set
* @param fds fd set
#ifdef MINGW
HANDLE hw;
GNUNET_DISK_internal_file_handle_ (h, &hw, sizeof (HANDLE));
- GNUNET_CONTAINER_slist_add (fds->handles, GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT, &hw, sizeof (HANDLE));
+ GNUNET_CONTAINER_slist_add (fds->handles,
+ GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT,
+ &hw, sizeof (HANDLE));
#else
int fd;
return GNUNET_YES;
#ifdef MINGW
{
- struct GNUNET_CONTAINER_SList_Iterator *it;
+ struct GNUNET_CONTAINER_SList_Iterator *it;
- for(it = GNUNET_CONTAINER_slist_begin (fds1->handles); GNUNET_CONTAINER_slist_end (it) != GNUNET_YES; GNUNET_CONTAINER_slist_next (it))
- {
- HANDLE *h;
-
- h = GNUNET_CONTAINER_slist_get (it, NULL);
- if (GNUNET_CONTAINER_slist_contains (fds2->handles, h, sizeof (HANDLE)))
- {
- GNUNET_CONTAINER_slist_iter_destroy (it);
- return GNUNET_YES;
- }
- }
- GNUNET_CONTAINER_slist_iter_destroy (it);
+ for (it = GNUNET_CONTAINER_slist_begin (fds1->handles);
+ GNUNET_CONTAINER_slist_end (it) != GNUNET_YES;
+ GNUNET_CONTAINER_slist_next (it))
+ {
+ HANDLE *h;
+
+ h = GNUNET_CONTAINER_slist_get (it, NULL);
+ if (GNUNET_CONTAINER_slist_contains
+ (fds2->handles, h, sizeof (HANDLE)))
+ {
+ GNUNET_CONTAINER_slist_iter_destroy (it);
+ return GNUNET_YES;
+ }
+ }
+ GNUNET_CONTAINER_slist_iter_destroy (it);
}
#endif
return GNUNET_NO;
DWORD limit;
fd_set sock_read, sock_write, sock_except;
fd_set aread, awrite, aexcept;
- struct GNUNET_CONTAINER_SList *handles_read, *handles_write, *handles_except;
+ struct GNUNET_CONTAINER_SList *handles_read, *handles_write,
+ *handles_except;
int i;
struct timeval tvslice;
{
GNUNET_CONTAINER_slist_add (handles_read,
- GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT, &h,
- sizeof (HANDLE));
+ GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT,
+ &h, sizeof (HANDLE));
retcode++;
}
}
{
GNUNET_CONTAINER_slist_add (handles_except,
- GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT, &h,
- sizeof (HANDLE));
+ GNUNET_CONTAINER_SLIST_DISPOSITION_TRANSIENT,
+ &h, sizeof (HANDLE));
retcode++;
}
}
while (retcode == 0 && (ms_total == INFINITE || GetTickCount () < limit));
if (retcode != -1)
-
{
if (rfds)
-
{
GNUNET_NETWORK_fdset_zero (rfds);
GNUNET_NETWORK_fdset_copy_native (rfds, &aread, retcode);
GNUNET_CONTAINER_slist_clear (rfds->handles);
GNUNET_CONTAINER_slist_append (rfds->handles, handles_read);
-
}
if (wfds)
-
{
GNUNET_NETWORK_fdset_zero (wfds);
GNUNET_NETWORK_fdset_copy_native (wfds, &awrite, retcode);
GNUNET_CONTAINER_slist_append (wfds->handles, handles_write);
}
if (efds)
-
{
GNUNET_NETWORK_fdset_zero (efds);
GNUNET_NETWORK_fdset_copy_native (efds, &aexcept, retcode);
projects / oweals / gnunet.git / blobdiff