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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define INCL_DOSERRORS
#include "apr_arch_file_io.h"
#include "apr_file_io.h"
#include "apr_general.h"
#include "apr_lib.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include <string.h>
#include <process.h>
APR_DECLARE(apr_status_t) apr_file_pipe_create(apr_file_t **in, apr_file_t **out, apr_pool_t *pool)
{
ULONG filedes[2];
ULONG rc, action;
static int id = 0;
char pipename[50];
sprintf(pipename, "/pipe/%d.%d", getpid(), id++);
rc = DosCreateNPipe(pipename, filedes, NP_ACCESS_INBOUND, NP_NOWAIT|1, 4096, 4096, 0);
if (rc)
return APR_FROM_OS_ERROR(rc);
rc = DosConnectNPipe(filedes[0]);
if (rc && rc != ERROR_PIPE_NOT_CONNECTED) {
DosClose(filedes[0]);
return APR_FROM_OS_ERROR(rc);
}
rc = DosOpen (pipename, filedes+1, &action, 0, FILE_NORMAL,
OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
OPEN_ACCESS_WRITEONLY | OPEN_SHARE_DENYREADWRITE,
NULL);
if (rc) {
DosClose(filedes[0]);
return APR_FROM_OS_ERROR(rc);
}
(*in) = (apr_file_t *)apr_palloc(pool, sizeof(apr_file_t));
rc = DosCreateEventSem(NULL, &(*in)->pipeSem, DC_SEM_SHARED, FALSE);
if (rc) {
DosClose(filedes[0]);
DosClose(filedes[1]);
return APR_FROM_OS_ERROR(rc);
}
rc = DosSetNPipeSem(filedes[0], (HSEM)(*in)->pipeSem, 1);
if (!rc) {
rc = DosSetNPHState(filedes[0], NP_WAIT);
}
if (rc) {
DosClose(filedes[0]);
DosClose(filedes[1]);
DosCloseEventSem((*in)->pipeSem);
return APR_FROM_OS_ERROR(rc);
}
(*in)->pool = pool;
(*in)->filedes = filedes[0];
(*in)->fname = apr_pstrdup(pool, pipename);
(*in)->isopen = TRUE;
(*in)->buffered = FALSE;
(*in)->flags = 0;
(*in)->pipe = 1;
(*in)->timeout = -1;
(*in)->blocking = BLK_ON;
(*in)->ungetchar = -1;
apr_pool_cleanup_register(pool, *in, apr_file_cleanup, apr_pool_cleanup_null);
(*out) = (apr_file_t *)apr_palloc(pool, sizeof(apr_file_t));
(*out)->pool = pool;
(*out)->filedes = filedes[1];
(*out)->fname = apr_pstrdup(pool, pipename);
(*out)->isopen = TRUE;
(*out)->buffered = FALSE;
(*out)->flags = 0;
(*out)->pipe = 1;
(*out)->timeout = -1;
(*out)->blocking = BLK_ON;
(*out)->ungetchar = -1;
apr_pool_cleanup_register(pool, *out, apr_file_cleanup, apr_pool_cleanup_null);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_pipe_create_ex(apr_file_t **in,
apr_file_t **out,
apr_int32_t blocking,
apr_pool_t *pool)
{
apr_status_t status;
if ((status = apr_file_pipe_create(in, out, pool)) != APR_SUCCESS)
return status;
switch (blocking) {
case APR_FULL_BLOCK:
break;
case APR_READ_BLOCK:
apr_file_pipe_timeout_set(*out, 0);
break;
case APR_WRITE_BLOCK:
apr_file_pipe_timeout_set(*in, 0);
break;
default:
apr_file_pipe_timeout_set(*out, 0);
apr_file_pipe_timeout_set(*in, 0);
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_namedpipe_create(const char *filename, apr_fileperms_t perm, apr_pool_t *pool)
{
/* Not yet implemented, interface not suitable */
return APR_ENOTIMPL;
}
APR_DECLARE(apr_status_t) apr_file_pipe_timeout_set(apr_file_t *thepipe, apr_interval_time_t timeout)
{
if (thepipe->pipe == 1) {
thepipe->timeout = timeout;
if (thepipe->timeout >= 0) {
if (thepipe->blocking != BLK_OFF) {
thepipe->blocking = BLK_OFF;
return APR_FROM_OS_ERROR(DosSetNPHState(thepipe->filedes, NP_NOWAIT));
}
}
else if (thepipe->timeout == -1) {
if (thepipe->blocking != BLK_ON) {
thepipe->blocking = BLK_ON;
return APR_FROM_OS_ERROR(DosSetNPHState(thepipe->filedes, NP_WAIT));
}
}
}
return APR_EINVAL;
}
APR_DECLARE(apr_status_t) apr_file_pipe_timeout_get(apr_file_t *thepipe, apr_interval_time_t *timeout)
{
if (thepipe->pipe == 1) {
*timeout = thepipe->timeout;
return APR_SUCCESS;
}
return APR_EINVAL;
}
APR_DECLARE(apr_status_t) apr_os_pipe_put_ex(apr_file_t **file,
apr_os_file_t *thefile,
int register_cleanup,
apr_pool_t *pool)
{
(*file) = apr_pcalloc(pool, sizeof(apr_file_t));
(*file)->pool = pool;
(*file)->isopen = TRUE;
(*file)->pipe = 1;
(*file)->blocking = BLK_UNKNOWN; /* app needs to make a timeout call */
(*file)->timeout = -1;
(*file)->ungetchar = -1;
(*file)->filedes = *thefile;
if (register_cleanup) {
apr_pool_cleanup_register(pool, *file, apr_file_cleanup,
apr_pool_cleanup_null);
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_os_pipe_put(apr_file_t **file,
apr_os_file_t *thefile,
apr_pool_t *pool)
{
return apr_os_pipe_put_ex(file, thefile, 0, pool);
}
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