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fixed sftp_shutdown() for the blockiness and fixed libssh2_channel_close()

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to work properly non-blocking
This commit is contained in:
Daniel Stenberg
2009-03-27 20:20:48 +00:00
parent ad8b49b208
commit 4353711127
4 changed files with 114 additions and 72 deletions
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133
src/sftp.c
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@@ -38,6 +38,7 @@
#include "libssh2_priv.h"
#include "libssh2_sftp.h"
#include "channel.h"
/* Note: Version 6 was documented at the time of writing
* However it was marked as "DO NOT IMPLEMENT" due to pending changes
@@ -83,6 +84,8 @@
/* S_IFDIR */
#define LIBSSH2_SFTP_ATTR_PFILETYPE_DIR 0040000
static int sftp_close_handle(LIBSSH2_SFTP_HANDLE *handle);
/* libssh2_htonu64
*/
static void
@@ -516,10 +519,19 @@ LIBSSH2_CHANNEL_CLOSE_FUNC(libssh2_sftp_dtor)
(void) session_abstract;
(void) channel;
#if 0
/* EEEK! While it might sound like a neat idea to make this code loop over
all the outstanding handles and close them, that is going to cause
EAGAIN to get returned and this callback system is not designed to
handle this very nicely so thus we now DEMAND that the app closes its
handles instead!
*/
/* Loop through handles closing them */
while (sftp->handles) {
libssh2_sftp_close_handle(sftp->handles);
sftp_close_handle(sftp->handles);
}
#endif
/* Free the partial packet storage for sftp_packet_read */
if (sftp->partial_packet) {
@@ -688,7 +700,8 @@ static LIBSSH2_SFTP *sftp_init(LIBSSH2_SESSION *session)
}
LIBSSH2_FREE(session, data);
/* Make sure that when the channel gets closed, the SFTP service is shut down too */
/* Make sure that when the channel gets closed, the SFTP service is shut
down too */
session->sftpInit_sftp->channel->abstract = session->sftpInit_sftp;
session->sftpInit_sftp->channel->close_cb = libssh2_sftp_dtor;
@@ -718,61 +731,79 @@ LIBSSH2_API LIBSSH2_SFTP *libssh2_sftp_init(LIBSSH2_SESSION *session)
return ptr;
}
/*
* sftp_shutdown
*
* Shutsdown the SFTP subsystem
*/
static int
sftp_shutdown(LIBSSH2_SFTP *sftp)
{
int rc;
LIBSSH2_SESSION *session = sftp->channel->session;
/*
* Make sure all memory used in the state variables are free
*/
if (sftp->partial_packet) {
LIBSSH2_FREE(session, sftp->partial_packet);
sftp->partial_packet = NULL;
}
if (sftp->open_packet) {
LIBSSH2_FREE(session, sftp->open_packet);
sftp->open_packet = NULL;
}
if (sftp->readdir_packet) {
LIBSSH2_FREE(session, sftp->readdir_packet);
sftp->readdir_packet = NULL;
}
if (sftp->write_packet) {
LIBSSH2_FREE(session, sftp->write_packet);
sftp->write_packet = NULL;
}
if (sftp->fstat_packet) {
LIBSSH2_FREE(session, sftp->fstat_packet);
sftp->fstat_packet = NULL;
}
if (sftp->unlink_packet) {
LIBSSH2_FREE(session, sftp->unlink_packet);
sftp->unlink_packet = NULL;
}
if (sftp->rename_packet) {
LIBSSH2_FREE(session, sftp->rename_packet);
sftp->rename_packet = NULL;
}
if (sftp->mkdir_packet) {
LIBSSH2_FREE(session, sftp->mkdir_packet);
sftp->mkdir_packet = NULL;
}
if (sftp->rmdir_packet) {
LIBSSH2_FREE(session, sftp->rmdir_packet);
sftp->rmdir_packet = NULL;
}
if (sftp->stat_packet) {
LIBSSH2_FREE(session, sftp->stat_packet);
sftp->stat_packet = NULL;
}
if (sftp->symlink_packet) {
LIBSSH2_FREE(session, sftp->symlink_packet);
sftp->symlink_packet = NULL;
}
rc = _libssh2_channel_free(sftp->channel);
return rc;
}
/* libssh2_sftp_shutdown
* Shutsdown the SFTP subsystem
*/
LIBSSH2_API int
libssh2_sftp_shutdown(LIBSSH2_SFTP *sftp)
{
/*
* Make sure all memory used in the state variables are free
*/
if (sftp->partial_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->partial_packet);
sftp->partial_packet = NULL;
}
if (sftp->open_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->open_packet);
sftp->open_packet = NULL;
}
if (sftp->readdir_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->readdir_packet);
sftp->readdir_packet = NULL;
}
if (sftp->write_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->write_packet);
sftp->write_packet = NULL;
}
if (sftp->fstat_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->fstat_packet);
sftp->fstat_packet = NULL;
}
if (sftp->unlink_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->unlink_packet);
sftp->unlink_packet = NULL;
}
if (sftp->rename_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->rename_packet);
sftp->rename_packet = NULL;
}
if (sftp->mkdir_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->mkdir_packet);
sftp->mkdir_packet = NULL;
}
if (sftp->rmdir_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->rmdir_packet);
sftp->rmdir_packet = NULL;
}
if (sftp->stat_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->stat_packet);
sftp->stat_packet = NULL;
}
if (sftp->symlink_packet) {
LIBSSH2_FREE(sftp->channel->session, sftp->symlink_packet);
sftp->symlink_packet = NULL;
}
return libssh2_channel_free(sftp->channel);
int rc;
BLOCK_ADJUST(rc, sftp->channel->session,
sftp_shutdown(sftp));
return rc;
}
/* *******************************