aboutsummaryrefslogtreecommitdiffstats
path: root/camel/camel-tcp-stream-raw.c
diff options
context:
space:
mode:
Diffstat (limited to 'camel/camel-tcp-stream-raw.c')
-rw-r--r--camel/camel-tcp-stream-raw.c614
1 files changed, 0 insertions, 614 deletions
diff --git a/camel/camel-tcp-stream-raw.c b/camel/camel-tcp-stream-raw.c
deleted file mode 100644
index 8b6a868b47..0000000000
--- a/camel/camel-tcp-stream-raw.c
+++ /dev/null
@@ -1,614 +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 version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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 Place - Suite 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 <stdio.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 CamelTcpAddress *stream_get_local_address (CamelTcpStream *stream);
-static CamelTcpAddress *stream_get_remote_address (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_local_address = stream_get_local_address;
- camel_tcp_stream_class->get_remote_address = stream_get_remote_address;
-}
-
-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;
-}
-
-#ifdef SIMULATE_FLAKY_NETWORK
-static ssize_t
-flaky_tcp_write (int fd, const char *buffer, size_t buflen)
-{
- size_t len = buflen;
- ssize_t nwritten;
- int val;
-
- if (buflen == 0)
- return 0;
-
- val = 1 + (int) (10.0 * rand () / (RAND_MAX + 1.0));
-
- switch (val) {
- case 1:
- printf ("flaky_tcp_write (%d, ..., %d): (-1) EINTR\n", fd, buflen);
- errno = EINTR;
- return -1;
- case 2:
- printf ("flaky_tcp_write (%d, ..., %d): (-1) EAGAIN\n", fd, buflen);
- errno = EAGAIN;
- return -1;
- case 3:
- printf ("flaky_tcp_write (%d, ..., %d): (-1) EWOULDBLOCK\n", fd, buflen);
- errno = EWOULDBLOCK;
- return -1;
- case 4:
- case 5:
- case 6:
- len = 1 + (size_t) (buflen * rand () / (RAND_MAX + 1.0));
- len = MIN (len, buflen);
- /* fall through... */
- default:
- printf ("flaky_tcp_write (%d, ..., %d): (%d) '%.*s'", fd, buflen, len, (int) len, buffer);
- nwritten = write (fd, buffer, len);
- if (nwritten < 0)
- printf (" errno => %s\n", g_strerror (errno));
- else if (nwritten < len)
- printf (" only wrote %d bytes\n", nwritten);
- else
- printf ("\n");
-
- return nwritten;
- }
-}
-
-#define write(fd, buffer, buflen) flaky_tcp_write (fd, buffer, buflen)
-
-static ssize_t
-flaky_tcp_read (int fd, char *buffer, size_t buflen)
-{
- size_t len = buflen;
- ssize_t nread;
- int val;
-
- if (buflen == 0)
- return 0;
-
- val = 1 + (int) (10.0 * rand () / (RAND_MAX + 1.0));
-
- switch (val) {
- case 1:
- printf ("flaky_tcp_read (%d, ..., %d): (-1) EINTR\n", fd, buflen);
- errno = EINTR;
- return -1;
- case 2:
- printf ("flaky_tcp_read (%d, ..., %d): (-1) EAGAIN\n", fd, buflen);
- errno = EAGAIN;
- return -1;
- case 3:
- printf ("flaky_tcp_read (%d, ..., %d): (-1) EWOULDBLOCK\n", fd, buflen);
- errno = EWOULDBLOCK;
- return -1;
- case 4:
- case 5:
- case 6:
- case 7:
- case 8:
- case 9:
- case 10:
- len = 1 + (size_t) (10.0 * rand () / (RAND_MAX + 1.0));
- len = MIN (len, buflen);
- /* fall through... */
- default:
- printf ("flaky_tcp_read (%d, ..., %d): (%d)", fd, buflen, len);
- nread = read (fd, buffer, len);
- if (nread < 0)
- printf (" errno => %s\n", g_strerror (errno));
- else if (nread < len)
- printf (" only read %d bytes\n", nread);
- else
- printf ("\n");
-
- return nread;
- }
-}
-
-#define read(fd, buffer, buflen) flaky_tcp_read (fd, buffer, buflen)
-
-#endif /* SIMULATE_FLAKY_NETWORK */
-
-
-
-/**
- * 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;
-
- 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 || errno == EAGAIN || errno == EWOULDBLOCK));
- } else {
- int error, flags, fdmax;
- fd_set rdset;
-
- flags = fcntl (tcp_stream_raw->sockfd, F_GETFL);
- fcntl (tcp_stream_raw->sockfd, F_SETFL, flags | O_NONBLOCK);
-
- do {
- FD_ZERO (&rdset);
- FD_SET (tcp_stream_raw->sockfd, &rdset);
- FD_SET (cancel_fd, &rdset);
- fdmax = MAX (tcp_stream_raw->sockfd, cancel_fd) + 1;
-
- nread = -1;
- if (select (fdmax, &rdset, 0, 0, NULL) != -1) {
- 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);
- } else if (errno == EINTR) {
- errno = EAGAIN;
- }
- } while (nread == -1 && (errno == EAGAIN || errno == EWOULDBLOCK));
-
- error = errno;
- fcntl (tcp_stream_raw->sockfd, F_SETFL, flags);
- errno = error;
- }
-
- 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;
-
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- cancel_fd = camel_operation_cancel_fd (NULL);
- if (cancel_fd == -1) {
- do {
- do {
- w = write (tcp_stream_raw->sockfd, buffer + written, n - written);
- } while (w == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
-
- if (w > 0)
- written += w;
- } while (w != -1 && written < n);
- } else {
- int error, flags, fdmax;
- fd_set rdset, wrset;
-
- 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);
-
- w = -1;
- if (select (fdmax, &rdset, &wrset, 0, NULL) != -1) {
- 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 == -1) {
- if (errno == EAGAIN || errno == EWOULDBLOCK) {
- w = 0;
- } else {
- error = errno;
- fcntl (tcp_stream_raw->sockfd, F_SETFL, flags);
- errno = error;
- return -1;
- }
- } else
- written += w;
- } else if (errno == EINTR) {
- w = 0;
- }
- } while (w != -1 && written < n);
-
- error = errno;
- fcntl (tcp_stream_raw->sockfd, F_SETFL, flags);
- errno = error;
- }
-
- if (w == -1)
- return -1;
-
- return written;
-}
-
-static int
-stream_flush (CamelStream *stream)
-{
- return 0;
-}
-
-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 {
- int flags, fdmax, status;
- fd_set rdset, wrset;
-
- 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;
- }
-
- do {
- FD_ZERO (&rdset);
- FD_ZERO (&wrset);
- FD_SET (fd, &wrset);
- FD_SET (cancel_fd, &rdset);
- fdmax = MAX (fd, cancel_fd) + 1;
- tv.tv_sec = 60 * 4;
- tv.tv_usec = 0;
-
- status = select (fdmax, &rdset, &wrset, 0, &tv);
- } while (status == -1 && errno == EINTR);
-
- if (status <= 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 CamelTcpAddress *
-stream_get_local_address (CamelTcpStream *stream)
-{
- struct sockaddr_in sin;
- socklen_t len;
-
- if (getsockname (CAMEL_TCP_STREAM_RAW (stream)->sockfd,
- (struct sockaddr *) &sin, &len) == -1)
- return NULL;
-
- return camel_tcp_address_new (CAMEL_TCP_ADDRESS_IPV4, sin.sin_port,
- 4, &sin.sin_addr);
-}
-
-static CamelTcpAddress *
-stream_get_remote_address (CamelTcpStream *stream)
-{
- struct sockaddr_in sin;
- socklen_t len;
-
- if (getpeername (CAMEL_TCP_STREAM_RAW (stream)->sockfd,
- (struct sockaddr *) &sin, &len) == -1)
- return NULL;
-
- return camel_tcp_address_new (CAMEL_TCP_ADDRESS_IPV4, sin.sin_port,
- 4, &sin.sin_addr);
-}
generated by cgit (git 2.34.1) at 2024-11-22 10:51:27 +0800