NAME

       globus_ftp_client_handle - Handle Management

        - Handle Management.

SYNOPSIS

   Data Structures
       struct globus_i_ftp_client_data_target_t
           Data connection caching information.
       struct globus_i_ftp_client_handle_t
           FTP Client handle implementation.

   Typedefs
       typedef struct globus_i_ftp_client_handle_t * globus_ftp_client_handle_t
           FTP Client Handle.
       typedef struct globus_i_ftp_client_handle_t globus_i_ftp_client_handle_t
           FTP Client handle implementation.

   Initialize
       globus_result_t globus_ftp_client_handle_init (globus_ftp_client_handle_t *handle,
           globus_ftp_client_handleattr_t *attr)

   Destroy
       globus_result_t globus_ftp_client_handle_destroy (globus_ftp_client_handle_t *handle)

   URL Caching
       globus_result_t globus_ftp_client_handle_cache_url_state (globus_ftp_client_handle_t
           *handle, const char *url)
       globus_result_t globus_ftp_client_handle_flush_url_state (globus_ftp_client_handle_t
           *handle, const char *url)

   User Pointer
       globus_result_t globus_ftp_client_handle_set_user_pointer (globus_ftp_client_handle_t
           *handle, void *user_pointer)

   Plugins
       globus_result_t globus_ftp_client_handle_add_plugin (globus_ftp_client_handle_t *handle,
           globus_ftp_client_plugin_t *plugin)
       globus_result_t globus_ftp_client_handle_remove_plugin (globus_ftp_client_handle_t
           *handle, globus_ftp_client_plugin_t *plugin)

Detailed Description

       Handle Management.

       Create/Destroy/Modify an FTP Client Handle.

       Within the Globus FTP Client Library, all FTP operations require a handle parameter.
       Currently, only one FTP operation may be in progress at once per FTP handle. FTP
       connections may be cached between FTP operations, for improved performance.

       This section defines operations to create and destroy FTP Client handles, as well as to
       modify handles' connection caches.

Typedef Documentation

   typedef struct globus_i_ftp_client_handle_t* globus_ftp_client_handle_t
       FTP Client Handle. An FTP client handle is used to associate state with a group of
       operations. Handles can have attributes associated with them. All FTP operations  take a
       handle pointer as a parameter.

       See also
           globus_ftp_client_handle_init(), globus_ftp_client_handle_destroy(),
           globus_ftp_client_handleattr_t

Function Documentation

   globus_result_t globus_ftp_client_handle_add_plugin (globus_ftp_client_handle_t * handle,
       globus_ftp_client_plugin_t * plugin)
       Add a plugin to an FTP client handle.

       This function adds a plugin to an FTP client handle after it has been created. Plugins may
       be added to an ftp client handle whenever an operation is not in progress. The plugin will
       be appended to the list of plugins present in the handle, and will be invoked during any
       subsequent operations processed with this handle.

       Only one instance of a particular plugin may be added to a particular handle.

       Plugins may be removed from a handle by calling globus_ftp_client_remove_plugin().

       Parameters
           handle The FTP client handle to set or query.
           plugin A pointer to the plugin structure to add to this handle.

       See also
           globus_ftp_client_remove_plugin(), globus_ftp_clent_handleattr_add_plugin(),
           globus_ftp_clent_handleattr_remove_plugin()

   globus_result_t globus_ftp_client_handle_cache_url_state (globus_ftp_client_handle_t * handle,
       const char * url)
       Cache connections to an FTP server.

       Explicitly cache connections to URL server in an FTP handle. When an URL is cached, the
       client library will not close the connection to the URL server after a file transfer
       completes.

       Parameters
           handle Handle which will contain a cached connection to the URL server.
           url The URL of the FTP or GSIFTP server to cache.

       See also
           globus_ftp_client_flush_url_state()

   globus_result_t globus_ftp_client_handle_destroy (globus_ftp_client_handle_t * handle)
       Destroy a client FTP handle.

       A FTP client handle may not be destroyed if a get, put, or third-party transfer is in
       progress.

       Parameters
           handle The handle to be destroyed.

       See also
           globus_ftp_client_handle_init()

   globus_result_t globus_ftp_client_handle_flush_url_state (globus_ftp_client_handle_t * handle,
       const char * url)
       Remove a cached connection from the FTP client handle.

       Explicitly remove a cached connection to an FTP server from the FTP handle. If an idle
       connection to an FTP server exists, it will be closed.

       Parameters
           handle Handle which will contain a cached connection to the URL server.
           url The URL of the FTP or GSIFTP server to cache.

   globus_result_t globus_ftp_client_handle_init (globus_ftp_client_handle_t * handle,
       globus_ftp_client_handleattr_t * attr)
       Initialize a client FTP handle.

       Initialize an FTP handle which can be used in subsequent get, put, or transfer requests. A
       handle may have at most one get, put, or third-party transfer in progress.

       Parameters
           handle The handle to be initialized.
           attr Initial attributes to be used to create this handle.

       See also
           globus_ftp_client_handle_destroy()

   globus_result_t globus_ftp_client_handle_remove_plugin (globus_ftp_client_handle_t * handle,
       globus_ftp_client_plugin_t * plugin)
       Remove a plugin to an FTP client handle.

       This function removes a plugin from an FTP client handle after it has been created.
       Plugins may be removed from an ftp client handle whenever an operation is not in progress.
       The plugin will be removed from the list of plugins, and will not be used during any
       subsequent operations processed with this handle.

       This function can remove plugins which were added at handle initialization time or by
       calling globus_ftp_client_handle_add_plugin().

       Parameters
           handle The FTP client handle to set or query.
           plugin A pointer to the plugin structure to remove from this handle.

       See also
           globus_ftp_client_add_plugin(), globus_ftp_clent_handleattr_add_plugin(),
           globus_ftp_clent_handleattr_remove_plugin()

   globus_result_t globus_ftp_client_handle_set_user_pointer (globus_ftp_client_handle_t *
       handle, void * user_pointer)
       Set/Get the user pointer field from an ftp client handle.

       The user pointer is provided to all the user of the FTP client library to associate a
       pointer to any application-specific data to an FTP client handle. This pointer is never
       internally used by the client library.

       Parameters
           handle The FTP client handle to set or query.
           user_pointer The value of the user pointer field.

       Note
           Access to the user_pointer are not synchronized, the user must take care to make sure
           that multiple threads are not modifying it's value.

Author

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