/* * This source code is a part of coLinux source package. * * Dan Aloni <da-x@colinux.org>, 2003 (c) * * The code is licensed under the GPL. See the COPYING file at * the root directory. */#include <colinux/os/current/memory.h>#include "fileblock.h"#include "monitor.h"co_rc_t co_monitor_file_block_service(co_monitor_t *cmon,				      co_block_dev_t *dev, 				      co_block_request_t *request){ 	co_monitor_file_block_dev_t *fdev = (co_monitor_file_block_dev_t *)dev;	co_rc_t rc = CO_RC_ERROR;	switch (request->type) { 	case CO_BLOCK_OPEN: {		if (fdev->state != CO_MONITOR_FILE_BLOCK_CLOSED) {			co_debug_error("monitor: cobd not closed!");			break;		}		co_debug("monitor: cobd opened (%s)", fdev->pathname);					rc = fdev->op->open(cmon, fdev);		if (CO_OK(rc))			fdev->state = CO_MONITOR_FILE_BLOCK_OPENED;		break;	}	case CO_BLOCK_READ: {		if (fdev->state != CO_MONITOR_FILE_BLOCK_OPENED) {			co_debug_error("monitor: read: cobd not open!");			break;		}		rc = fdev->op->read(cmon, dev, fdev, request);		break;	}	case CO_BLOCK_WRITE: {		if (fdev->state != CO_MONITOR_FILE_BLOCK_OPENED) {			co_debug_error("monitor: write: cobd not open!");			break;		}		rc = fdev->op->write(cmon, dev, fdev, request);		break;	}	case CO_BLOCK_CLOSE: {		if (fdev->state != CO_MONITOR_FILE_BLOCK_OPENED) {			co_debug_error("monitor: close: cobd not open!");			break;		}			co_debug("monitor: cobd closed (%s)", fdev->pathname);		fdev->op->close(fdev);		fdev->state = CO_MONITOR_FILE_BLOCK_CLOSED;		rc = CO_RC_OK;		break;	}	case CO_BLOCK_STAT: {		rc = fdev->op->get_size((co_monitor_file_block_dev_t *)dev, &fdev->dev.size);		if (CO_OK(rc))			request->disk_size = fdev->dev.size;		return rc;	}    	default:		break;	}	return rc;}co_rc_t co_monitor_file_block_init(co_monitor_file_block_dev_t *dev, 				   co_pathname_t *pathname){	memset(dev, 0, sizeof(*dev));	memcpy(dev->pathname, pathname, sizeof(*pathname));	dev->op = &co_os_file_block_default_operations;	dev->state = CO_MONITOR_FILE_BLOCK_CLOSED;	dev->dev.service = co_monitor_file_block_service;	return CO_RC(OK);}void co_monitor_file_block_shutdown(co_monitor_file_block_dev_t *dev){	if (dev->state == CO_MONITOR_FILE_BLOCK_OPENED) {		dev->op->close(dev);		dev->state = CO_MONITOR_FILE_BLOCK_CLOSED;	}}