/usr/include/gfal2/transfer/gfal_transfer.h is in libgfal2-dev 2.15.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 | /*
* Copyright (c) CERN 2013-2017
*
* Copyright (c) Members of the EMI Collaboration. 2010-2013
* See http://www.eu-emi.eu/partners for details on the copyright
* holders.
*
* 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.
*/
#pragma once
#ifndef GFAL_TRANSFER_H_
#define GFAL_TRANSFER_H_
#if !defined(__GFAL2_H_INSIDE__) && !defined(__GFAL2_BUILD__)
# warning "Direct inclusion of gfal2 headers is deprecated. Please, include only gfal_api.h or gfal_plugins_api.h"
#endif
#include <common/gfal_common.h>
#include <logger/gfal_logger.h>
#include <common/gfal_constants.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*!
\defgroup transfer_group File Transfer API
*/
/*!
\addtogroup transfer_group
@{
*/
/**
* @brief container for transfer related parameters
* */
typedef struct _gfalt_params_t* gfalt_params_t;
/**
* @brief internal status of a copy file action
* */
typedef struct _gfalt_transfer_status* gfalt_transfer_status_t;
/**
* @brief copy gfalt_monitor_transfer
* This function is called callback_mperiod milli-seconds in order to provide informations and a control on the tranfers.
* @param src : URL of the source file
* @param dst : URL of the dest file
* @param user_data : external pointer provided before
* */
typedef void (*gfalt_monitor_func)(gfalt_transfer_status_t h, const char* src, const char* dst, gpointer user_data);
/**
* @brief Predefined stages.
*/
extern GQuark GFAL_EVENT_PREPARE_ENTER; /**< Triggered before entering preparation */
extern GQuark GFAL_EVENT_PREPARE_EXIT; /**< Triggered after exiting the preparation */
extern GQuark GFAL_EVENT_TRANSFER_ENTER; /**< Triggered before entering the transfer */
extern GQuark GFAL_EVENT_TRANSFER_EXIT; /**< Triggered after exiting the transfer */
extern GQuark GFAL_EVENT_CLOSE_ENTER; /**< Triggered before entering the closing (putdone) */
extern GQuark GFAL_EVENT_CLOSE_EXIT; /**< Triggered after exiting the closing (putdone) */
extern GQuark GFAL_EVENT_CHECKSUM_ENTER; /**< Triggered before entering checksum validation */
extern GQuark GFAL_EVENT_CHECKSUM_EXIT; /**< Triggered after exiting checksum validation */
extern GQuark GFAL_EVENT_CANCEL_ENTER; /**< Triggered before the cancellation logic */
extern GQuark GFAL_EVENT_CANCEL_EXIT; /**< Triggered after the cancellation logic */
extern GQuark GFAL_EVENT_OVERWRITE_DESTINATION; /**< Triggered before overwriting */
extern GQuark GFAL_EVENT_LIST_ENTER; /**< Triggered before listing the urls to be transferred */
extern GQuark GFAL_EVENT_LIST_ITEM; /**< Triggered once per url pair to be transferred */
extern GQuark GFAL_EVENT_LIST_EXIT; /**< Triggered after listing the urls to be transferred */
extern GQuark GFAL_EVENT_TRANSFER_TYPE; /**< Triggered to register the transfer type being done */
/**
* Types for for GFAL_EVENT_TRANSFER_TYPE
*/
#define GFAL_TRANSFER_TYPE_STREAMED "streamed"
#define GFAL_TRANSFER_TYPE_PUSH "3rd push"
#define GFAL_TRANSFER_TYPE_PULL "3rd pull"
/** Trigger of the event */
typedef enum {
GFAL_EVENT_SOURCE = 0, /**< Event triggered by the source */
GFAL_EVENT_DESTINATION, /**< Event triggered by the destination */
GFAL_EVENT_NONE /**< Event triggered by the transfer */
} gfal_event_side_t;
/**
* @brief Event message.
*/
struct _gfalt_event {
gfal_event_side_t side; /**< Which side triggered the stage change */
gint64 timestamp; /**< Timestamp in milliseconds */
GQuark stage; /**< Stage. You can check the predefined ones. */
GQuark domain; /**< Domain/protocol of this stage. i.e. SRM*/
const char *description; /**< Additional description */
};
/**
* Event message
*/
typedef struct _gfalt_event* gfalt_event_t;
/**
* This function is called when a transfer changes its stage.
* @param e : Event message.
* @param user_data : external pointer provided before
*/
typedef void (*gfalt_event_func)(const gfalt_event_t e, gpointer user_data);
/**
* Checksum verification mode
*/
typedef enum {
/// Don't verify checksum
GFALT_CHECKSUM_NONE = 0x00,
/// Compare user provided checksum vs source
GFALT_CHECKSUM_SOURCE = 0x01,
/// Compare user provided checksum vs destination
GFALT_CHECKSUM_TARGET = 0x02,
/// Compare user provided checksum vs both, *or* source checksum vs target checksum
GFALT_CHECKSUM_BOTH = (GFALT_CHECKSUM_SOURCE | GFALT_CHECKSUM_TARGET)
} gfalt_checksum_mode_t;
/**
* Create a new parameter handle
*/
gfalt_params_t gfalt_params_handle_new(GError ** err);
/**
* Delete a created parameters handle
*/
void gfalt_params_handle_delete(gfalt_params_t params, GError ** err);
/**
Create a copy of a parameter handle
*/
gfalt_params_t gfalt_params_handle_copy(gfalt_params_t params, GError ** err);
/**
* Define the maximum time acceptable for the file tranfer
*/
gint gfalt_set_timeout(gfalt_params_t, guint64 timeout, GError** err);
/**
* Get the maximum connexion timeout
*/
guint64 gfalt_get_timeout(gfalt_params_t handle, GError** err);
/**
* Define the maximum number of parallels connexion to use for the file tranfer
*/
gint gfalt_set_nbstreams(gfalt_params_t, guint nbstreams, GError** err);
/**
* Get the maximum number of parallels streams to use for the transfer
*/
guint gfalt_get_nbstreams(gfalt_params_t params, GError** err);
/**
* Define the size of the tcp buffer size for network transfer
*/
gint gfalt_set_tcp_buffer_size(gfalt_params_t, guint64 tcp_buffer_size, GError** err);
/**
* get the size of the tcp buffer size for network transfer
*/
guint64 gfalt_get_tcp_buffer_size(gfalt_params_t params, GError** err);
/**
* Enable or disable the non-third party transfer execution ( default : true )
*/
gint gfalt_set_local_transfer_perm(gfalt_params_t, gboolean local_transfer_status, GError ** err);
/**
* Get the current authorization for the non-third party transfer execution
*/
gboolean gfalt_get_local_transfer_perm(gfalt_params_t, GError ** err);
/**
* Set the source spacetoken for SRM transfers
*/
gint gfalt_set_src_spacetoken(gfalt_params_t params, const char* srm_spacetoken, GError** err);
/**
* Get the source spacetoken for SRM transfers
*/
const gchar* gfalt_get_src_spacetoken(gfalt_params_t params, GError** err);
/**
* Set the destination spacetoken for SRM transfers
*/
gint gfalt_set_dst_spacetoken(gfalt_params_t params, const char* srm_spacetoken, GError** err);
/**
* Get the destination spacetoken for SRM transfers
*/
const gchar* gfalt_get_dst_spacetoken(gfalt_params_t params, GError** err);
/**
* set the replace/overwritte option.
* default : false
* when True, if a destination file already exist, it is deleted before the copy.
*/
gint gfalt_set_replace_existing_file(gfalt_params_t, gboolean replace, GError** err);
/**
* Get the policy in case of destination file already existing ( replace or cancel )
* default : cancel
*/
gboolean gfalt_get_replace_existing_file(gfalt_params_t, GError** err);
/**
* Set the strict copy mode
* default : false
* In the strict copy mode, the destination/source checks are skipped.
* only the minimum of the operations are done
* This option can leads to undefined behavior depending of the underlying protocol
*/
gint gfalt_set_strict_copy_mode(gfalt_params_t, gboolean strict_mode, GError** err);
/**
* Get the strict copy mode value
*/
gboolean gfalt_get_strict_copy_mode(gfalt_params_t, GError** err);
/**
* @deprecated Equivalent to gfalt_get_checksum_check(params, GFALT_CHECKSUM_BOTH, err)
* Force additional checksum verification between source and destination
* an Error is return by the copy function is case of checksum failure.
* @warning for safety reason, even in case of checksum failure the destination file is not removed.
*/
GFAL2_DEPRECATED(gfalt_set_checksum) gint gfalt_set_checksum_check(gfalt_params_t, gboolean value, GError** err);
/**
* @deprecated
* Get the checksum verification boolean
*/
GFAL2_DEPRECATED(gfalt_get_checksum) gboolean gfalt_get_checksum_check(gfalt_params_t, GError** err);
/**
* @deprecated gfalt_set_checksum
* Set an user-defined checksum for file content verification
* Setting NULL & NULL clear the current one.
* This function requires to enable global checksum verification with \ref gfalt_set_checksum_check
* @param param : parameter handle
* @param chktype : checksum type string ( MD5, ADLER32, CRC32, etc... )
* @param checksum : value of checksum in string format
* @param err : GError error report
*/
GFAL2_DEPRECATED(gfalt_set_checksum) gint gfalt_set_user_defined_checksum(gfalt_params_t param,
const gchar* chktype, const gchar* checksum, GError** err);
/**
* @deprecated gfalt_get_checksum
* Get the current user-defined checksum for file content verification
* If current user-defined checksum is NULL, both of the buffer are set to empty string
* If the value is set, but not the type, ADLER32 will be assumed
*/
GFAL2_DEPRECATED(gfalt_get_checksum) gint gfalt_get_user_defined_checksum(gfalt_params_t params,
gchar* chktype_buff, size_t chk_type_len, gchar* checksum_buff, size_t checksum_len, GError** err);
/**
* Set the checksum configuration to use
* @param mode For GFALT_CHECKSUM_SOURCE or GFALT_CHECKSUM_TARGET only, the checksum value is mandatory.
* For GFALT_CHECKSUM_BOTH, the checksum value can be NULL, as the verification can be done end to end.
* @param type Checksum algorithm to use. Support depends on protocol and storage, but ADLER32 and MD5
* are normally safe bets. If NULL, previous type is kept.
* @param checksum Expected checksum value. Can be NULL for GFALT_CHECKSUM_BOTH mode. If NULL, clears value.
* @param err GError error report
* @return 0 on success, < 0 on failure
* @version 2.13.0
*/
gint gfalt_set_checksum(gfalt_params_t params, gfalt_checksum_mode_t mode,
const gchar* type, const gchar *checksum, GError **err);
/**
* Get the checksum configuration
* @param type_buff Put in this buffer the configured algorithm (or "\0" if none).
* @param type_buff_len algorithm_buffer capacity.
* @param checksum_buff Put in this buffer the configured checksum value ("\0" if none).
* @param checksum_buff_len checksum_buff capacity.
* @param err GError error report
* @return The configured checksum mode
* @version 2.13.0
*/
gfalt_checksum_mode_t gfalt_get_checksum(gfalt_params_t params,
gchar* type_buff, size_t type_buff_len, gchar* checksum_buff, size_t checksum_buff_len,
GError **err);
/**
* Get only the checksum mode configured
* @return The configured checksum mode
*/
gfalt_checksum_mode_t gfalt_get_checksum_mode(gfalt_params_t params, GError **err);
/**
* Enable or disable the destination parent directory creation
*/
gint gfalt_set_create_parent_dir(gfalt_params_t, gboolean value, GError** err);
/**
Enable or disable the destination parent directory creation
*/
gboolean gfalt_get_create_parent_dir(gfalt_params_t, GError** err);
/**
* @brief Add a new callback for monitoring the current transfer
* Adding the same callback with a different udata will just change the udata and the free method, but the callback will not be called twice.
* In this case, udata_free will be called with the old data.
* udata_free can be left to NULL
*/
gint gfalt_add_monitor_callback(gfalt_params_t params, gfalt_monitor_func callback,
gpointer udata, GDestroyNotify udata_free, GError** err);
/**
* @brief Remove an installed monitor callback
* It will call the method registered to free the user data
*/
gint gfalt_remove_monitor_callback(gfalt_params_t params, gfalt_monitor_func callback, GError** err);
/**
* @brief Add a new callback for event monitoring
* Adding the same callback with a different udata will just change the udata, but the callback will not be called twice.
* In this case, udata_free will be called with the old data.
* udata_free can be left to NULL
*/
gint gfalt_add_event_callback(gfalt_params_t params, gfalt_event_func callback,
gpointer udata, GDestroyNotify udata_free, GError** err);
/**
* @brief Remove an installed callback
* It will call the method registered to free the user data
*/
gint gfalt_remove_event_callback(gfalt_params_t params, gfalt_event_func callback, GError** err);
/**
* @brief copy function
* start a synchronous copy of the file
* @param context : gfal2 context
* @param params parameter handle ( \ref gfalt_parameters_new )
* @param src source URL supported by GFAL
* @param dst destination URL supported by GFAL
* @param err the error is put here
*/
int gfalt_copy_file(gfal2_context_t context, gfalt_params_t params, const char* src,
const char* dst, GError** err);
/**
* @brief bulk copy operation
* If not provided by the plugin, it will fallback to a serialized implementation
* Note that file_erros will point to an array of nbfiles pointers to GError, where each one
* corresponds to the source and destination pair in the same position
* op_error will contain an error if something happened _before_ file transfering could be attempted
*/
int gfalt_copy_bulk(gfal2_context_t context, gfalt_params_t params, size_t nbfiles,
const char* const * srcs, const char* const * dsts, const char* const* checksums,
GError** op_error, GError*** file_erros);
/**
* Get a transfer status indicator
*/
gint gfalt_copy_get_status(gfalt_transfer_status_t, GError ** err);
/**
* Get an estimation of the average baudrate in bytes/s
*/
size_t gfalt_copy_get_average_baudrate(gfalt_transfer_status_t, GError ** err);
/**
* Get an estimation of the instant baudrate in bytes/s
*/
size_t gfalt_copy_get_instant_baudrate(gfalt_transfer_status_t, GError ** err);
/**
* Get the current number of bytes transfered
*/
size_t gfalt_copy_get_bytes_transfered(gfalt_transfer_status_t, GError ** err);
/**
* Get the elapsed tiem since the call to \ref gfalt_copy_file
*/
time_t gfalt_copy_get_elapsed_time(gfalt_transfer_status_t, GError ** err);
/**
@}
End of the File Transfer API
*/
#ifdef __cplusplus
}
#endif
#endif /* GFAL_TRANSFER_H_ */
|