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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.
*/
#if !defined(GLOBUS_I_XIO_H)
#define GLOBUS_I_XIO_H 1
#include "globus_xio.h"
#include "globus_xio_driver.h"
#include "globus_common.h"
#include "globus_xio_util.h"
#include "globus_xio_load.h"
#define GLOBUS_XIO_ATTR_ARRAY_BASE_SIZE 16
#define GLOBUS_XIO_HANDLE_DEFAULT_OPERATION_COUNT 4
/***************************************************************************
* internal macros
* ---------------
**************************************************************************/
#define GlobusXIOCurrentBlockedThread(blocked_thread) \
if (globus_i_am_only_thread()) \
{ \
blocked_thread.thread = globus_thread_self(); \
} \
else \
{ \
blocked_thread.depth = globus_callback_space_get_depth( \
GLOBUS_CALLBACK_GLOBAL_SPACE); \
}
#define GlobusXIOBlockedThreadMatchesCurrentThread(a) \
(globus_i_am_only_thread() \
? (a.depth == \
globus_callback_space_get_depth(GLOBUS_CALLBACK_GLOBAL_SPACE)) \
: globus_thread_equal(a.thread, globus_thread_self()))
GlobusDebugDeclare(GLOBUS_XIO);
#define GlobusXIODebugPrintf(level, message) \
GlobusDebugPrintf(GLOBUS_XIO, level, message)
#define GlobusXIOOpInc(_in_op) \
do \
{ \
(_in_op)->ref++; \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_STATE, \
("[%s:%d] Op @ 0x%x ref increased to %d:\n", _xio_name, __LINE__, \
(_in_op), (_in_op)->ref)); \
} while(0)
#define GlobusXIOOpDec(_in_op) \
do \
{ \
(_in_op)->ref--; \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_STATE, \
("[%s:%d] Op @ 0x%x ref decreased to %d:\n", _xio_name, __LINE__, \
(_in_op), (_in_op)->ref)); \
} while(0)
#define GlobusXIOObjToResult(_in_obj) \
(_in_obj == NULL ? GLOBUS_SUCCESS : globus_error_put(_in_obj))
#define GlobusXIOResultToObj(_in_res) \
(_in_res == GLOBUS_SUCCESS ? NULL : globus_error_get(_in_res))
#define GlobusXIOHandleStateChange(_h, _new) \
do \
{ \
globus_i_xio_handle_t * _l_h; \
\
_l_h = (_h); \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_STATE, \
("[%s:%d] Handle @ 0x%x state change:\n" \
" From:%s\n" \
" to: %s\n", \
_xio_name, \
__LINE__, \
_l_h, \
globus_i_xio_handle_state_name_table[_l_h->state], \
globus_i_xio_handle_state_name_table[_new])); \
_l_h->state = _new; \
} while(0)
#define GlobusXIOOpStateChange(_op, _new) \
do \
{ \
globus_i_xio_op_t * _l_op; \
\
_l_op = (_op); \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_STATE, \
("[%s:%d] Op @ 0x%x state change:\n" \
" From:%s\n" \
" to: %s\n", \
_xio_name, \
__LINE__, \
_l_op, \
globus_i_xio_op_state_name_table[_l_op->state], \
globus_i_xio_op_state_name_table[_new])); \
_l_op->state = _new; \
} while(0)
#define GlobusXIOContextStateChange(_c, _new) \
do \
{ \
globus_i_xio_context_entry_t * _l_context; \
\
_l_context = (_c); \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_STATE, \
("[%s:%d] Context @ 0x%x state change:\n" \
" From:%s\n" \
" to: %s\n", \
_xio_name, \
__LINE__, \
_l_context, \
globus_i_xio_context_state_name_table[_l_context->state], \
globus_i_xio_context_state_name_table[_new])); \
_l_context->state = _new; \
} while(0)
#define GlobusXIODebugEnter() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_TRACE, \
("[%s] Entering\n", _xio_name))
#define GlobusXIODebugExit() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_TRACE, \
("[%s] Exiting\n", _xio_name))
#define GlobusXIODebugExitWithError() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_TRACE, \
("[%s] Exiting with error\n", _xio_name))
#define GlobusXIODebugInternalEnter() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_INTERNAL_TRACE, \
("[%s] I Entering\n", _xio_name))
#define GlobusXIODebugInternalExit() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_INTERNAL_TRACE, \
("[%s] I Exiting\n", _xio_name))
#define GlobusXIODebugInternalExitWithError() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_INTERNAL_TRACE, \
("[%s] I Exiting with error\n", _xio_name))
#define GlobusXIODebugInregisterOneShot() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_INFO, \
("[%s] Registering one shot due to in_register.\n", _xio_name))
#define GlobusXIODebugDelayedFinish() \
GlobusXIODebugPrintf( \
GLOBUS_XIO_DEBUG_INFO, \
("[%s] Delaying finish due to in_register and blocking op.\n", \
_xio_name))
#define GlobusXIOOperationCreate(_out_op, _in_c) \
do \
{ \
globus_i_xio_op_t * _X_op; \
globus_i_xio_context_t * _X_c; \
\
_X_c = (_in_c); \
_X_op = (globus_i_xio_op_t * ) \
globus_memory_pop_node(&_X_c->op_memory); \
if(_X_op != NULL) \
{ \
/* sets deliver_op to NONE */ \
memset(_X_op, '\0', sizeof(globus_i_xio_op_t) + \
(sizeof(globus_i_xio_op_entry_t) * (_X_c->stack_size - 1))); \
_X_op->_op_context = _X_c; \
_X_op->stack_size = _X_c->stack_size; \
_X_op->progress = GLOBUS_TRUE; \
_X_op->_op_ent_offset = -1; \
} \
_out_op = _X_op; \
} while(0)
/* if index == the level at which a cancel was requested then we reset the
* canceled flag for the operation.
*/
#define GlobusIXIOClearCancel(op) \
do \
{ \
globus_i_xio_op_t * _op = (op); \
/* op->ndx is source_ndx + 1, canceled is source_ndx + 2 */ \
/* so, source_ndx == op->ndx + 1 */ \
/* see globus_i_xio_operation_cancel */ \
if(_op->canceled) \
{ \
globus_mutex_lock(&_op->_op_context->cancel_mutex); \
if(_op->canceled == _op->ndx + 1) \
{ \
_op->canceled = 0; \
} \
globus_mutex_unlock(&_op->_op_context->cancel_mutex); \
} \
} while(0)
/***************************************************************************
* state and type enumerations
* ---------------------------
**************************************************************************/
/* forward declare for setting cred */
typedef struct gss_cred_id_desc_struct * gss_cred_id_t;
extern char * globus_i_xio_context_state_name_table[];
typedef enum globus_i_xio_context_state_e
{
GLOBUS_XIO_CONTEXT_STATE_NONE,
GLOBUS_XIO_CONTEXT_STATE_OPENING,
GLOBUS_XIO_CONTEXT_STATE_OPEN,
GLOBUS_XIO_CONTEXT_STATE_OPEN_FAILED,
GLOBUS_XIO_CONTEXT_STATE_EOF_RECEIVED,
GLOBUS_XIO_CONTEXT_STATE_EOF_DELIVERED,
GLOBUS_XIO_CONTEXT_STATE_EOF_RECEIVED_AND_CLOSING,
GLOBUS_XIO_CONTEXT_STATE_EOF_DELIVERED_AND_CLOSING,
GLOBUS_XIO_CONTEXT_STATE_CLOSING,
GLOBUS_XIO_CONTEXT_STATE_OPENING_AND_CLOSING,
GLOBUS_XIO_CONTEXT_STATE_CLOSED
} globus_i_xio_context_state_t;
extern char * globus_i_xio_handle_state_name_table[];
typedef enum globus_i_xio_handle_state_e
{
GLOBUS_XIO_HANDLE_STATE_NONE,
GLOBUS_XIO_HANDLE_STATE_CLIENT,
GLOBUS_XIO_HANDLE_STATE_ACCEPTED,
GLOBUS_XIO_HANDLE_STATE_OPENING,
GLOBUS_XIO_HANDLE_STATE_OPENING_FAILED,
GLOBUS_XIO_HANDLE_STATE_OPENING_AND_CLOSING,
GLOBUS_XIO_HANDLE_STATE_OPEN,
GLOBUS_XIO_HANDLE_STATE_OPEN_FAILED,
GLOBUS_XIO_HANDLE_STATE_CLOSING,
GLOBUS_XIO_HANDLE_STATE_CLOSED
} globus_i_xio_handle_state_t;
extern char * globus_i_xio_op_state_name_table[];
typedef enum globus_i_xio_op_state_e
{
GLOBUS_XIO_OP_STATE_NONE,
GLOBUS_XIO_OP_STATE_OPERATING,
GLOBUS_XIO_OP_STATE_TIMEOUT_PENDING,
GLOBUS_XIO_OP_STATE_FINISH_WAITING,
GLOBUS_XIO_OP_STATE_FINISHED
} globus_i_xio_op_state_t;
typedef enum globus_xio_server_state_e
{
GLOBUS_XIO_SERVER_STATE_NONE,
GLOBUS_XIO_SERVER_STATE_OPEN,
GLOBUS_XIO_SERVER_STATE_ACCEPTING,
GLOBUS_XIO_SERVER_STATE_COMPLETING,
GLOBUS_XIO_SERVER_STATE_CLOSE_PENDING,
GLOBUS_XIO_SERVER_STATE_CLOSING,
GLOBUS_XIO_SERVER_STATE_CLOSED
} globus_xio_server_state_t;
/***************************************************************************
* Internally exposed data structures
* ----------------------------------
**************************************************************************/
struct globus_i_xio_context_s;
struct globus_i_xio_op_s;
typedef struct globus_i_xio_monitor_s
{
int count;
} globus_i_xio_monitor_t;
void
globus_i_xio_monitor_init(
globus_i_xio_monitor_t * monitor);
void
globus_i_xio_monitor_destroy(
globus_i_xio_monitor_t * monitor);
typedef struct globus_i_xio_attr_ent_s
{
globus_xio_driver_t driver;
void * driver_data;
} globus_i_xio_attr_ent_t;
typedef struct globus_i_xio_attr_s
{
globus_bool_t unloaded;
globus_xio_timeout_callback_t open_timeout_cb;
globus_reltime_t open_timeout_period;
globus_xio_timeout_callback_t read_timeout_cb;
globus_reltime_t read_timeout_period;
globus_xio_timeout_callback_t write_timeout_cb;
globus_reltime_t write_timeout_period;
globus_xio_timeout_callback_t close_timeout_cb;
globus_reltime_t close_timeout_period;
globus_xio_timeout_server_callback_t accept_timeout_cb;
globus_reltime_t accept_timeout_period;
globus_bool_t cancel_open;
globus_bool_t cancel_close;
globus_bool_t cancel_read;
globus_bool_t cancel_write;
globus_bool_t no_cancel;
void * timeout_arg;
gss_cred_id_t user_open_cred;
char * user_open_sbj;
char * user_open_username;
char * user_open_pw;
globus_callback_space_t space;
int max;
int ndx;
globus_i_xio_attr_ent_t * entry;
} globus_i_xio_attr_t;
typedef struct globus_i_xio_stack_s
{
int size;
globus_list_t * driver_stack;
globus_xio_driver_t pushing_driver;
} globus_i_xio_stack_t;
typedef struct globus_i_xio_server_entry_s
{
globus_xio_driver_t driver;
void * server_handle;
} globus_i_xio_server_entry_t;
/*
*
*/
typedef struct globus_i_xio_server_s
{
globus_i_xio_monitor_t * sd_monitor;
globus_xio_server_state_t state;
globus_xio_timeout_server_callback_t accept_timeout;
globus_reltime_t accept_timeout_period;
struct globus_i_xio_op_s * op;
globus_xio_server_callback_t cb;
void * user_arg;
int outstanding_operations;
int ref;
globus_mutex_t mutex;
globus_callback_space_t space;
globus_bool_t blocking;
char * contact_string;
int stack_size;
globus_i_xio_server_entry_t entry[1];
} globus_i_xio_server_t;
typedef struct globus_i_xio_handle_s
{
globus_i_xio_monitor_t * sd_monitor;
globus_list_t * cb_list;
int ref;
struct globus_i_xio_context_s * context;
globus_i_xio_handle_state_t state;
/* since only 1 open or close can be outstanding at a time we don't
need a list */
globus_list_t * write_op_list;
globus_list_t * read_op_list;
struct globus_i_xio_op_s * open_op;
struct globus_i_xio_op_s * close_op;
void * timeout_arg;
globus_callback_space_t space;
globus_xio_timeout_callback_t open_timeout_cb;
globus_reltime_t open_timeout_period;
globus_xio_timeout_callback_t read_timeout_cb;
globus_reltime_t read_timeout_period;
globus_xio_timeout_callback_t write_timeout_cb;
globus_reltime_t write_timeout_period;
globus_xio_timeout_callback_t close_timeout_cb;
globus_reltime_t close_timeout_period;
} globus_i_xio_handle_t;
/*
* represents an entry in the array of open handles.
*
* each entry is maped to a driver in the stack
*/
typedef struct globus_i_xio_context_entry_s
{
globus_xio_driver_t driver;
void * driver_handle;
/* each level must implement the entire state machine */
globus_i_xio_context_state_t state;
int outstanding_operations;
int read_operations;
int eof_operations;
int pending_reads;
/* is this hacky? */
globus_bool_t close_started;
struct globus_i_xio_op_s * open_op;
struct globus_i_xio_op_s * close_op;
globus_list_t * eof_op_list;
globus_fifo_t pending_read_queue;
struct globus_i_xio_context_s * whos_my_daddy;
} globus_i_xio_context_entry_t;
/*
* a stretchy array
*/
typedef struct globus_i_xio_context_s
{
/* handle has a reference and every entry has a reference */
int ref;
int stack_size;
globus_memory_t op_memory;
globus_mutex_t mutex;
globus_mutex_t cancel_mutex;
globus_i_xio_context_entry_t entry[1];
} globus_i_xio_context_t;
/* MACROS for accessing the op_entry structure unin elements */
#define _op_ent_data_cb type_u.handle_s.data_cb
#define _op_ent_wait_for type_u.handle_s.wait_for_bytes
#define _op_ent_offset type_u.handle_s.offset
#define _op_ent_nbytes type_u.handle_s.nbytes
#define _op_ent_iovec type_u.handle_s.iovec
#define _op_ent_iovec_count type_u.handle_s.iovec_count
#define _op_ent_fake_iovec type_u.handle_s.fake_iovec
/*
* represents a entry in an array of operations. each entry
* is mapped to a driver at the same index.
*/
typedef struct globus_i_xio_op_entry_s
{
/* callback info arrays */
globus_xio_operation_type_t type;
globus_xio_driver_callback_t cb;
void * user_arg;
union
{
/* handle op entries */
struct
{
globus_xio_driver_data_callback_t data_cb;
globus_size_t wait_for_bytes;
globus_size_t nbytes;
globus_xio_iovec_t * iovec;
int iovec_count;
globus_xio_iovec_t * fake_iovec;
} handle_s;
} type_u;
globus_bool_t in_register;
globus_bool_t is_limited;
void * dd;
void * link;
void * open_attr;
void * close_attr;
int prev_ndx;
int next_ndx;
globus_xio_operation_type_t * deliver_type;
} globus_i_xio_op_entry_t;
#define _op_data_cb data_cb
#define _op_iovec_cb iovec_cb
#define _op_cb callback_u.cb
#define _op_accept_cb callback_u.accept_cb
#define _op_handle type_u.handle_s.handle
#define _op_iovec type_u.handle_s.iovec
#define _op_iovec_count type_u.handle_s.iovec_count
#define _op_mem_iovec type_u.handle_s.mem_iovec
#define _op_context type_u.handle_s.context
#define _op_nbytes type_u.handle_s.nbytes
#define _op_wait_for type_u.handle_s.wait_for
#define _op_handle_timeout_cb type_u.handle_s.timeout_cb
#define _op_server type_u.server_s.server
#define _op_server_timeout_cb type_u.server_s.timeout_cb
/**
* Information about the what thread is being blocked by a callback. In the
* non-threaded case, this will be the callback_depth, otherwise the thread_id
*/
typedef union
{
globus_thread_t thread;
int depth;
}
globus_i_xio_blocked_thread_t;
/*
* represents a requested io operation (open close read or write).
*/
typedef struct globus_i_xio_op_s
{
/* operation type */
globus_xio_operation_type_t type;
globus_i_xio_op_state_t state;
globus_bool_t is_user_dd;
/*
* user callbacks. only 1 will be used per operation
*/
union
{
globus_xio_callback_t cb;
globus_xio_accept_callback_t accept_cb;
}callback_u;
globus_xio_data_callback_t data_cb;
globus_xio_iovec_callback_t iovec_cb;
void * user_arg;
/*
* Union operation members that will not overlap together
*/
union
{
/* handle op stuff */
struct
{
globus_i_xio_handle_t * handle;
globus_xio_iovec_t * iovec;
int iovec_count;
globus_xio_iovec_t mem_iovec;
globus_size_t nbytes;
/* convience pointer, really owned by handle */
globus_i_xio_context_t * context;
/* data descriptor */
globus_size_t wait_for;
globus_off_t offset;
globus_xio_timeout_callback_t timeout_cb;
} handle_s;
/* server op stuff */
struct
{
globus_i_xio_server_t * server;
globus_xio_timeout_server_callback_t timeout_cb;
} server_s;
} type_u;
/* flag to determine if timeout should happen */
globus_bool_t progress;
/* reference count for destruction */
int ref;
/* members for cancelation */
globus_xio_driver_cancel_callback_t cancel_cb;
void * cancel_arg;
int canceled;
globus_bool_t block_timeout;
globus_bool_t restarted;
globus_bool_t blocking;
globus_i_xio_blocked_thread_t blocked_thread;
globus_bool_t finished_delayed;
/* just stash away the cred to open so that the driver can interigate
it. */
gss_cred_id_t user_open_cred;
char * user_open_sbj;
char * user_open_username;
char * user_open_pw;
/* result code saved in op for kickouts */
globus_object_t * cached_obj;
/* size of the arrays */
int stack_size;
/* current index in the driver stack */
int ndx;
/* entry for each thing driver in the stack */
globus_i_xio_op_entry_t entry[1];
} globus_i_xio_op_t;
typedef struct globus_i_xio_driver_s
{
char * name;
void * user_data;
void * wrap_data;
/* these are filled in by the driver loader */
globus_xio_driver_hook_t * hook;
globus_extension_handle_t extension_handle;
globus_bool_t extension_activated;
globus_xio_string_cntl_table_t * string_table;
/*
* main io interface functions
*/
globus_xio_driver_transform_open_t transform_open_func;
globus_xio_driver_transport_open_t transport_open_func;
globus_xio_driver_close_t close_func;
globus_xio_driver_read_t read_func;
globus_xio_driver_write_t write_func;
globus_xio_driver_handle_cntl_t handle_cntl_func;
globus_xio_driver_push_driver_t push_driver_func;
/*
* server
*/
globus_xio_driver_server_init_t server_init_func;
globus_xio_driver_server_accept_t server_accept_func;
globus_xio_driver_server_destroy_t server_destroy_func;
globus_xio_driver_server_cntl_t server_cntl_func;
globus_xio_driver_link_cntl_t link_cntl_func;
globus_xio_driver_link_destroy_t link_destroy_func;
/*
* driver attr functions. All or none may be NULL
*
* data descriptor is done with attr
*/
globus_xio_driver_attr_init_t attr_init_func;
globus_xio_driver_attr_copy_t attr_copy_func;
globus_xio_driver_attr_cntl_t attr_cntl_func;
globus_xio_driver_attr_destroy_t attr_destroy_func;
} globus_i_xio_driver_t;
/*
* wrapper struct
*/
typedef struct globus_i_xio_blocking_s
{
globus_mutex_t mutex;
globus_cond_t cond;
globus_bool_t done;
globus_size_t nbytes;
globus_i_xio_op_t * op;
globus_xio_handle_t accepted_handle;
globus_xio_data_descriptor_t data_desc;
globus_object_t * error_obj;
} globus_i_xio_blocking_t;
typedef struct globus_i_xio_restart_s
{
globus_i_xio_op_t * op;
globus_bool_t restarted;
} globus_i_xio_restart_t;
globus_i_xio_blocking_t *
globus_i_xio_blocking_alloc();
void
globus_i_xio_blocking_destroy(
globus_i_xio_blocking_t * info);
/*************************************************************************
* internal function signatures
************************************************************************/
globus_result_t
globus_i_xio_server_close(
globus_xio_server_t xio_server,
globus_xio_server_callback_t cb,
void * user_arg);
void
globus_l_xio_driver_purge_read_eof(
globus_i_xio_context_entry_t * my_context);
void
globus_l_xio_driver_op_write_kickout(
void * user_arg);
void
globus_l_xio_driver_op_read_kickout(
void * user_arg);
globus_result_t
globus_i_xio_driver_start_close(
globus_i_xio_op_t * op,
globus_bool_t can_fail);
void
globus_l_xio_driver_op_close_kickout(
void * user_arg);
void
globus_l_xio_driver_op_accept_kickout(
void * user_arg);
void
globus_l_xio_driver_open_op_kickout(
void * user_arg);
void
globus_i_xio_driver_resume_op(
globus_i_xio_op_t * op);
/*
* time stuff
*/
typedef globus_bool_t
(*globus_i_xio_timer_cb_t)(
void * datum);
typedef struct globus_i_xio_op_timer_s
{
globus_reltime_t minimal_delay;
globus_mutex_t mutex;
globus_cond_t cond;
globus_list_t * op_list;
globus_bool_t running;
globus_callback_handle_t periodic_handle;
} globus_i_xio_timer_t;
void
globus_i_xio_timer_init(
globus_i_xio_timer_t * timer);
void
globus_i_xio_timer_destroy(
globus_i_xio_timer_t * timer);
void
globus_i_xio_timer_register_timeout(
globus_i_xio_timer_t * timer,
void * datum,
globus_bool_t * progress_ptr,
globus_i_xio_timer_cb_t timeout_cb,
globus_reltime_t * timeout);
globus_bool_t
globus_i_xio_timer_unregister_timeout(
globus_i_xio_timer_t * timer,
void * datum);
globus_i_xio_context_t *
globus_i_xio_context_create(
int stack_size);
void
globus_i_xio_context_destroy(
globus_i_xio_context_t * xio_context);
void
globus_i_xio_will_block_cb(
int space,
globus_thread_callback_index_t ndx,
void * user_args);
void
globus_i_xio_pass_failed(
globus_i_xio_op_t * op,
globus_i_xio_context_entry_t * my_context,
globus_bool_t * close,
globus_bool_t * destroy_handle);
void
globus_i_xio_handle_destroy(
globus_i_xio_handle_t * handle);
void
globus_i_xio_handle_dec(
globus_i_xio_handle_t * handle,
globus_bool_t * destroy_handle);
void
globus_i_xio_op_destroy(
globus_i_xio_op_t * op,
globus_bool_t * destroy_handle);
globus_result_t
globus_i_xio_repass_write(
globus_i_xio_op_t * op);
globus_result_t
globus_i_xio_repass_read(
globus_i_xio_op_t * op);
void
globus_i_xio_register_oneshot(
globus_i_xio_handle_t * handle,
globus_callback_func_t cb,
void * user_arg,
globus_callback_space_t space);
typedef struct globus_i_xio_space_info_s
{
globus_bool_t unregister;
globus_i_xio_handle_t * handle;
globus_callback_handle_t ch;
globus_callback_func_t func;
void * user_arg;
} globus_i_xio_space_info_t;
void
globus_i_xio_close_handles(
globus_xio_driver_t driver);
globus_result_t
globus_i_xio_operation_cancel(
globus_i_xio_op_t * op,
int source_ndx);
void
globus_i_xio_driver_deliver_op(
globus_i_xio_op_t * op,
int ndx,
globus_xio_operation_type_t deliver_type);
void
globus_xio_driver_open_delivered(
globus_xio_operation_t in_op,
int in_ndx,
globus_xio_operation_type_t * deliver_type);
void
globus_xio_driver_write_delivered(
globus_xio_operation_t in_op,
int in_ndx,
globus_xio_operation_type_t * deliver_type);
void
globus_xio_driver_read_delivered(
globus_xio_operation_t op,
int in_ndx,
globus_xio_operation_type_t * deliver_type);
globus_result_t
globus_i_xio_driver_dd_cntl(
globus_i_xio_op_t * op,
globus_xio_driver_t driver,
globus_xio_operation_type_t type,
int cmd,
va_list ap);
globus_result_t
globus_i_xio_driver_handle_cntl(
globus_i_xio_context_t * context,
int start_ndx,
globus_xio_driver_t driver,
int cmd,
va_list ap);
globus_result_t
globus_i_xio_driver_attr_cntl(
globus_i_xio_attr_t * attr,
globus_xio_driver_t driver,
int cmd,
va_list ap);
globus_result_t
globus_i_xio_string_cntl_parser(
const char * env_str,
globus_xio_string_cntl_table_t * table,
void * attr,
globus_xio_driver_attr_cntl_t attr_func);
extern globus_i_xio_timer_t globus_i_xio_timeout_timer;
extern globus_list_t * globus_i_xio_outstanding_handles_list;
extern globus_list_t * globus_i_xio_outstanding_servers_list;
extern globus_list_t * globus_i_xio_outstanding_attrs_list;
extern globus_list_t * globus_i_xio_outstanding_dds_list;
extern globus_mutex_t globus_i_xio_mutex;
extern globus_cond_t globus_i_xio_cond;
#endif /* GLOBUS_I_XIO_H */
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