diff options
author | nobody <nobody@localhost> | 2001-09-17 12:32:38 +0800 |
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committer | nobody <nobody@localhost> | 2001-09-17 12:32:38 +0800 |
commit | 34ae3a84e3812e3bd297a36b7550020823eebc7f (patch) | |
tree | 6f31e70927858f2bafcfc481e337a665090bdb8e /camel/camel-tcp-stream-raw.c | |
parent | 169d9ae19a0eb165edc757eca753a757a02f60f7 (diff) | |
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This commit was manufactured by cvs2svn to create tagGNOME_CONTROL_CENTER_1_5_8
'GNOME_CONTROL_CENTER_1_5_8'.
svn path=/tags/GNOME_CONTROL_CENTER_1_5_8/; revision=12877
Diffstat (limited to 'camel/camel-tcp-stream-raw.c')
-rw-r--r-- | camel/camel-tcp-stream-raw.c | 456 |
1 files changed, 0 insertions, 456 deletions
diff --git a/camel/camel-tcp-stream-raw.c b/camel/camel-tcp-stream-raw.c deleted file mode 100644 index 0aa9c2e1e5..0000000000 --- a/camel/camel-tcp-stream-raw.c +++ /dev/null @@ -1,456 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Authors: Jeffrey Stedfast <fejj@ximian.com> - * - * Copyright 2001 Ximian, Inc. (www.ximian.com) - * - * This program 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 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <sys/time.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <string.h> -#include "camel-tcp-stream-raw.h" -#include "camel-operation.h" - -static CamelTcpStreamClass *parent_class = NULL; - -/* Returns the class for a CamelTcpStreamRaw */ -#define CTSR_CLASS(so) CAMEL_TCP_STREAM_RAW_CLASS (CAMEL_OBJECT_GET_CLASS (so)) - -static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n); -static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n); -static int stream_flush (CamelStream *stream); -static int stream_close (CamelStream *stream); - -static int stream_connect (CamelTcpStream *stream, struct hostent *host, int port); -static int stream_getsockopt (CamelTcpStream *stream, CamelSockOptData *data); -static int stream_setsockopt (CamelTcpStream *stream, const CamelSockOptData *data); -static gpointer stream_get_socket (CamelTcpStream *stream); - -static void -camel_tcp_stream_raw_class_init (CamelTcpStreamRawClass *camel_tcp_stream_raw_class) -{ - CamelTcpStreamClass *camel_tcp_stream_class = - CAMEL_TCP_STREAM_CLASS (camel_tcp_stream_raw_class); - CamelStreamClass *camel_stream_class = - CAMEL_STREAM_CLASS (camel_tcp_stream_raw_class); - - parent_class = CAMEL_TCP_STREAM_CLASS (camel_type_get_global_classfuncs (camel_tcp_stream_get_type ())); - - /* virtual method overload */ - camel_stream_class->read = stream_read; - camel_stream_class->write = stream_write; - camel_stream_class->flush = stream_flush; - camel_stream_class->close = stream_close; - - camel_tcp_stream_class->connect = stream_connect; - camel_tcp_stream_class->getsockopt = stream_getsockopt; - camel_tcp_stream_class->setsockopt = stream_setsockopt; - camel_tcp_stream_class->get_socket = stream_get_socket; -} - -static void -camel_tcp_stream_raw_init (gpointer object, gpointer klass) -{ - CamelTcpStreamRaw *stream = CAMEL_TCP_STREAM_RAW (object); - - stream->sockfd = -1; -} - -static void -camel_tcp_stream_raw_finalize (CamelObject *object) -{ - CamelTcpStreamRaw *stream = CAMEL_TCP_STREAM_RAW (object); - - if (stream->sockfd != -1) - close (stream->sockfd); -} - - -CamelType -camel_tcp_stream_raw_get_type (void) -{ - static CamelType type = CAMEL_INVALID_TYPE; - - if (type == CAMEL_INVALID_TYPE) { - type = camel_type_register (camel_tcp_stream_get_type (), - "CamelTcpStreamRaw", - sizeof (CamelTcpStreamRaw), - sizeof (CamelTcpStreamRawClass), - (CamelObjectClassInitFunc) camel_tcp_stream_raw_class_init, - NULL, - (CamelObjectInitFunc) camel_tcp_stream_raw_init, - (CamelObjectFinalizeFunc) camel_tcp_stream_raw_finalize); - } - - return type; -} - - -/** - * camel_tcp_stream_raw_new: - * - * Return value: a tcp stream - **/ -CamelStream * -camel_tcp_stream_raw_new () -{ - CamelTcpStreamRaw *stream; - - stream = CAMEL_TCP_STREAM_RAW (camel_object_new (camel_tcp_stream_raw_get_type ())); - - return CAMEL_STREAM (stream); -} - -static ssize_t -stream_read (CamelStream *stream, char *buffer, size_t n) -{ - CamelTcpStreamRaw *tcp_stream_raw = CAMEL_TCP_STREAM_RAW (stream); - ssize_t nread; - int cancel_fd; - int saveerrno; - - if (camel_operation_cancel_check (NULL)) { - errno = EINTR; - return -1; - } - - cancel_fd = camel_operation_cancel_fd (NULL); - if (cancel_fd == -1) { - do { - nread = read (tcp_stream_raw->sockfd, buffer, n); - } while (nread == -1 && errno == EINTR); - } else { - int flags, fdmax; - fd_set rdset; - - flags = fcntl (tcp_stream_raw->sockfd, F_GETFL); - fcntl (tcp_stream_raw->sockfd, F_SETFL, flags | O_NONBLOCK); - - FD_ZERO (&rdset); - FD_SET (tcp_stream_raw->sockfd, &rdset); - FD_SET (cancel_fd, &rdset); - fdmax = MAX (tcp_stream_raw->sockfd, cancel_fd) + 1; - - select (fdmax, &rdset, 0, 0, NULL); - if (FD_ISSET (cancel_fd, &rdset)) { - fcntl (tcp_stream_raw->sockfd, F_SETFL, flags); - errno = EINTR; - return -1; - } - - do { - nread = read (tcp_stream_raw->sockfd, buffer, n); - } while (nread == -1 && errno == EINTR); - saveerrno = errno; - fcntl (tcp_stream_raw->sockfd, F_SETFL, flags); - errno = saveerrno; - } - - return nread; -} - -static ssize_t -stream_write (CamelStream *stream, const char *buffer, size_t n) -{ - CamelTcpStreamRaw *tcp_stream_raw = CAMEL_TCP_STREAM_RAW (stream); - ssize_t w, written = 0; - int cancel_fd; - int saveerrno; - - if (camel_operation_cancel_check (NULL)) { - errno = EINTR; - return -1; - } - - cancel_fd = camel_operation_cancel_fd (NULL); - if (cancel_fd == -1) { - do { - written = write (tcp_stream_raw->sockfd, buffer, n); - } while (written == -1 && errno == EINTR); - } else { - fd_set rdset, wrset; - int flags, fdmax; - - flags = fcntl (tcp_stream_raw->sockfd, F_GETFL); - fcntl (tcp_stream_raw->sockfd, F_SETFL, flags | O_NONBLOCK); - - fdmax = MAX (tcp_stream_raw->sockfd, cancel_fd) + 1; - do { - FD_ZERO (&rdset); - FD_ZERO (&wrset); - FD_SET (tcp_stream_raw->sockfd, &wrset); - FD_SET (cancel_fd, &rdset); - - select (fdmax, &rdset, &wrset, 0, NULL); - if (FD_ISSET (cancel_fd, &rdset)) { - fcntl (tcp_stream_raw->sockfd, F_SETFL, flags); - errno = EINTR; - return -1; - } - - do { - w = write (tcp_stream_raw->sockfd, buffer + written, n - written); - } while (w == -1 && errno == EINTR); - - if (w > 0) - written += w; - } while (w != -1 && written < n); - - saveerrno = errno; - fcntl (tcp_stream_raw->sockfd, F_SETFL, flags); - errno = saveerrno; - } - - return written; -} - -static int -stream_flush (CamelStream *stream) -{ - return fsync (((CamelTcpStreamRaw *)stream)->sockfd); -} - -static int -stream_close (CamelStream *stream) -{ - if (close (((CamelTcpStreamRaw *)stream)->sockfd) == -1) - return -1; - - ((CamelTcpStreamRaw *)stream)->sockfd = -1; - return 0; -} - -/* this is a 'cancellable' connect, cancellable from camel_operation_cancel etc */ -/* returns -1 & errno == EINTR if the connection was cancelled */ -static int -socket_connect (struct hostent *h, int port) -{ - struct sockaddr_in sin; - int fd; - int ret; - socklen_t len; - struct timeval tv; - int cancel_fd; - - /* see if we're cancelled yet */ - if (camel_operation_cancel_check (NULL)) { - errno = EINTR; - return -1; - } - - /* setup connect, we do it using a nonblocking socket so we can poll it */ - sin.sin_port = htons (port); - sin.sin_family = h->h_addrtype; - memcpy (&sin.sin_addr, h->h_addr, sizeof (sin.sin_addr)); - - fd = socket (h->h_addrtype, SOCK_STREAM, 0); - - cancel_fd = camel_operation_cancel_fd (NULL); - if (cancel_fd == -1) { - ret = connect (fd, (struct sockaddr *)&sin, sizeof (sin)); - if (ret == -1) { - close (fd); - return -1; - } - - return fd; - } else { - fd_set rdset, wrset; - int flags, fdmax; - - flags = fcntl (fd, F_GETFL); - fcntl (fd, F_SETFL, flags | O_NONBLOCK); - - ret = connect (fd, (struct sockaddr *)&sin, sizeof (sin)); - if (ret == 0) { - fcntl (fd, F_SETFL, flags); - return fd; - } - - if (errno != EINPROGRESS) { - close (fd); - return -1; - } - - FD_ZERO (&rdset); - FD_ZERO (&wrset); - FD_SET (fd, &wrset); - FD_SET (cancel_fd, &rdset); - fdmax = MAX (fd, cancel_fd) + 1; - tv.tv_usec = 0; - tv.tv_sec = 60 * 4; - - if (select (fdmax, &rdset, &wrset, 0, &tv) == 0) { - close (fd); - errno = ETIMEDOUT; - return -1; - } - - if (cancel_fd != -1 && FD_ISSET (cancel_fd, &rdset)) { - close (fd); - errno = EINTR; - return -1; - } else { - len = sizeof (int); - - if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &len) == -1) { - close (fd); - return -1; - } - - if (ret != 0) { - close (fd); - errno = ret; - return -1; - } - } - - fcntl (fd, F_SETFL, flags); - } - - return fd; -} - -static int -stream_connect (CamelTcpStream *stream, struct hostent *host, int port) -{ - CamelTcpStreamRaw *raw = CAMEL_TCP_STREAM_RAW (stream); - int fd; - - g_return_val_if_fail (host != NULL, -1); - - fd = socket_connect (host, port); - if (fd == -1) - return -1; - - raw->sockfd = fd; - - return 0; -} - - -static int -get_sockopt_level (const CamelSockOptData *data) -{ - switch (data->option) { - case CAMEL_SOCKOPT_MAXSEGMENT: - case CAMEL_SOCKOPT_NODELAY: - return IPPROTO_TCP; - default: - return SOL_SOCKET; - } -} - -static int -get_sockopt_optname (const CamelSockOptData *data) -{ - switch (data->option) { - case CAMEL_SOCKOPT_MAXSEGMENT: - return TCP_MAXSEG; - case CAMEL_SOCKOPT_NODELAY: - return TCP_NODELAY; - case CAMEL_SOCKOPT_BROADCAST: - return SO_BROADCAST; - case CAMEL_SOCKOPT_KEEPALIVE: - return SO_KEEPALIVE; - case CAMEL_SOCKOPT_LINGER: - return SO_LINGER; - case CAMEL_SOCKOPT_RECVBUFFERSIZE: - return SO_RCVBUF; - case CAMEL_SOCKOPT_SENDBUFFERSIZE: - return SO_SNDBUF; - case CAMEL_SOCKOPT_REUSEADDR: - return SO_REUSEADDR; - case CAMEL_SOCKOPT_IPTYPEOFSERVICE: - return SO_TYPE; - default: - return -1; - } -} - -static int -stream_getsockopt (CamelTcpStream *stream, CamelSockOptData *data) -{ - int optname, optlen; - - if ((optname = get_sockopt_optname (data)) == -1) - return -1; - - if (data->option == CAMEL_SOCKOPT_NONBLOCKING) { - int flags; - - flags = fcntl (((CamelTcpStreamRaw *)stream)->sockfd, F_GETFL); - if (flags == -1) - return -1; - - data->value.non_blocking = flags & O_NONBLOCK; - - return 0; - } - - return getsockopt (((CamelTcpStreamRaw *)stream)->sockfd, - get_sockopt_level (data), - optname, - (void *) &data->value, - &optlen); -} - -static int -stream_setsockopt (CamelTcpStream *stream, const CamelSockOptData *data) -{ - int optname; - - if ((optname = get_sockopt_optname (data)) == -1) - return -1; - - if (data->option == CAMEL_SOCKOPT_NONBLOCKING) { - int flags, set; - - flags = fcntl (((CamelTcpStreamRaw *)stream)->sockfd, F_GETFL); - if (flags == -1) - return -1; - - set = data->value.non_blocking ? 1 : 0; - flags = (flags & ~O_NONBLOCK) | (set & O_NONBLOCK); - - if (fcntl (((CamelTcpStreamRaw *)stream)->sockfd, F_SETFL, flags) == -1) - return -1; - - return 0; - } - - return setsockopt (((CamelTcpStreamRaw *)stream)->sockfd, - get_sockopt_level (data), - optname, - (void *) &data->value, - sizeof (data->value)); -} - -static gpointer -stream_get_socket (CamelTcpStream *stream) -{ - return GINT_TO_POINTER (CAMEL_TCP_STREAM_RAW (stream)->sockfd); -} |