/usr/include/globus/globus_ftp_client_restart_marker_plugin.h is in libglobus-ftp-client-dev 7.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 1999-2006 University of Chicago
*
* Licensed 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.
*/
#ifndef GLOBUS_INCLUDE_FTP_CLIENT_RESTART_MARKER_PLUGIN_H
#define GLOBUS_INCLUDE_FTP_CLIENT_RESTART_MARKER_PLUGIN_H
#ifndef GLOBUS_DONT_DOCUMENT_INTERNAL
/**
* @file globus_ftp_client_restart_marker_plugin.h GridFTP Restart Marker Plugin Implementation
*
* $RCSfile: globus_ftp_client_restart_marker_plugin.h,v $
* $Revision: 1.5 $
* $Date: 2011/02/03 21:47:03 $
* $Author: bester $
*/
#endif
/**
* @defgroup globus_ftp_client_restart_marker_plugin Restart Marker Plugin
* @ingroup globus_ftp_client_plugins
*
* This plugin is intended to allow users to make restart markers persistent.
* During a transfer, every marker received will result in the user's 'marker'
* callback being called with the new restart marker that can be stored. If
* the application were to prematurely terminate (while transferring), the user
* (after restarting the application) could pass this stored marker back to the
* plugin via the 'begin' callback to force the transfer to be restarted from
* the last marked point.
*/
#include "globus_ftp_client.h"
#include "globus_ftp_client_plugin.h"
#ifndef EXTERN_C_BEGIN
#ifdef __cplusplus
#define EXTERN_C_BEGIN extern "C" {
#define EXTERN_C_END }
#else
#define EXTERN_C_BEGIN
#define EXTERN_C_END
#endif
#endif
EXTERN_C_BEGIN
/** Module descriptor
* @ingroup globus_ftp_client_restart_marker_plugin
*/
#define GLOBUS_FTP_CLIENT_RESTART_MARKER_PLUGIN_MODULE (&globus_i_ftp_client_restart_marker_plugin_module)
extern
globus_module_descriptor_t globus_i_ftp_client_restart_marker_plugin_module;
/**
* Transfer begin callback
* @ingroup globus_ftp_client_restart_marker_plugin
*
* This callback is called when a get, put, or third party transfer is
* started.
*
* The intended use for this callback is for the user to use the transfer
* urls to locate a restart marker in some persistent storage. If one is
* found, it should be copied into 'user_saved_marker' and the callback
* should return GLOBUS_TRUE. This will cause the transfer to be restarted
* using that restart marker. If one is not found, return GLOBUS_FALSE to
* indicate that the transfer should proceed from the beginning.
*
* In any case, this is also an opportunity for the user to set up any
* storage in anticipation of restart markers for this transfer.
*
* @param handle
* this the client handle that this transfer will be occurring on
*
* @param user_arg
* this is the user_arg passed to the init func
*
* @param source_url
* source of the transfer (GLOBUS_NULL if 'put')
*
* @param dest_url
* dest of the transfer (GLOBUS_NULL if 'get')
*
* @param user_saved_marker
* pointer to an unitialized restart marker
*
* @return
* - GLOBUS_TRUE to indicate that the plugin should use
* 'user_saved_marker' to restart the transfer (and subsequently,
* destroy the marker)
* - GLOBUS_FALSE to indicate that 'user_saved_marker' has not been
* modified, and that the transfer should proceed normally
*/
typedef globus_bool_t
(*globus_ftp_client_restart_marker_plugin_begin_cb_t)(
void * user_arg,
globus_ftp_client_handle_t * handle,
const char * source_url,
const char * dest_url,
globus_ftp_client_restart_marker_t * user_saved_marker);
/**
* Restart marker received callback
* @ingroup globus_ftp_client_restart_marker_plugin
*
* This callback will be called every time a restart marker is available.
*
* To receive restart markers in a 'put' or 'third_party_transfer', the
* transfer must be in Extended Block mode. 'get' transfers will have their
* markers generated internally. Markers generated internally will be 'sent'
* at most, once per second.
*
* The intended use for this callback is to allow the user to store this marker
* (most likely in place of any previous marker) in a format that the
* 'begin_cb' can parse and pass back.
*
* @param handle
* this the client handle that this transfer is occurring on
*
* @param user_arg
* this is the user_arg passed to the init func
*
* @param marker
* the restart marker that has been received. Thsi marker is owned
* by the caller. The user must use the copy method to keep it.
* Note: this restart marker currently contains all ranges received
* as of yet. Should I instead only pass a marker with the
* ranges just made available? If so, the user may need a way to
* combine restart markers (globus_ftp_client_restart_marker_combine)
*
* @return
* - n/a
*/
typedef void (*globus_ftp_client_restart_marker_plugin_marker_cb_t)(
void * user_arg,
globus_ftp_client_handle_t * handle,
globus_ftp_client_restart_marker_t * marker);
/**
* Transfer complete callback
* @ingroup globus_ftp_client_restart_marker_plugin
*
* This callback will be called upon transfer completion (successful or
* otherwise)
*
* @param handle
* this the client handle that this transfer was occurring on
*
* @param user_arg
* this is the user_arg passed to the init func
*
* @param error
* the error object indicating what went wrong (GLOBUS_NULL on success)
*
* @param error_url
* the url which is the source of the above error (GLOBUS_NULL on success)
*
* @return
* - n/a
*/
typedef void (*globus_ftp_client_restart_marker_plugin_complete_cb_t)(
void * user_arg,
globus_ftp_client_handle_t * handle,
globus_object_t * error,
const char * error_url);
globus_result_t
globus_ftp_client_restart_marker_plugin_init(
globus_ftp_client_plugin_t * plugin,
globus_ftp_client_restart_marker_plugin_begin_cb_t begin_cb,
globus_ftp_client_restart_marker_plugin_marker_cb_t marker_cb,
globus_ftp_client_restart_marker_plugin_complete_cb_t complete_cb,
void * user_arg);
globus_result_t
globus_ftp_client_restart_marker_plugin_destroy(
globus_ftp_client_plugin_t * plugin);
EXTERN_C_END
#endif /* GLOBUS_INCLUDE_FTP_CLIENT_RESTART_MARKER_PLUGIN_H */
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