Manage GridFTP Server Control Connections. More...

Collaboration diagram for GridFTP Server Control:

Typedefs
typedef void(*	globus_ftp_control_server_callback_t )(void callback_arg, struct globus_ftp_control_server_s server_handle, globus_object_t *error)
	Server callbackA function with this signature can be used as general callbacks for the GridFTP server API. More...

Functions
globus_result_t	globus_ftp_control_server_handle_init (globus_ftp_control_server_t *handle)
	Initialize a GridFTP server handle. More...

globus_result_t	globus_ftp_control_server_handle_destroy (globus_ftp_control_server_t *handle)
	Destroy a GridFTP server handle. More...

globus_result_t	globus_ftp_control_server_listen (globus_ftp_control_server_t server_handle, unsigned short port, globus_ftp_control_server_callback_t callback, void *callback_arg)
	Listen on for FTP Client Connections. More...

globus_result_t	globus_ftp_control_command_init (globus_ftp_control_command_t command, char raw_command, globus_ftp_control_auth_info_t *auth_info)
	Initialize a GridFTP command. More...

globus_result_t	globus_ftp_control_command_destroy (globus_ftp_control_command_t *command)
	Destroy a GridFTP command. More...

globus_result_t	globus_ftp_control_command_copy (globus_ftp_control_command_t dest, globus_ftp_control_command_t src)
	Copy of GridFTP command. More...

globus_result_t	globus_ftp_control_server_stop (globus_ftp_control_server_t listener, globus_ftp_control_server_callback_t callback, void callback_arg)
	Stop listening for GridFTP client connections. More...

globus_result_t	globus_ftp_control_server_accept (globus_ftp_control_server_t listener, globus_ftp_control_handle_t handle, globus_ftp_control_callback_t callback, void *callback_arg)
	Accept a Client Connection. More...

globus_result_t	globus_ftp_control_server_authenticate (globus_ftp_control_handle_t handle, globus_ftp_control_auth_requirements_t auth_requirements, globus_ftp_control_auth_callback_t callback, void callback_arg)
	Authenticate a GridFTP Client Connection. More...

globus_result_t	globus_ftp_control_read_commands (globus_ftp_control_handle_t handle, globus_ftp_control_command_callback_t callback, void callback_arg)
	Read GridFTP commands. More...

globus_result_t	globus_ftp_control_send_response (globus_ftp_control_handle_t handle, const char respspec, globus_ftp_control_callback_t callback, void *callback_arg,...)
	Send a GridFTP response. More...

Detailed Description

Manage GridFTP Server Control Connections.

Typedef Documentation

typedef void(* globus_ftp_control_server_callback_t)(void *callback_arg, struct globus_ftp_control_server_s *server_handle, globus_object_t *error)

Server callbackA function with this signature can be used as general callbacks for the GridFTP server API.

Parameters

server_handle	The server handle associated with callback.
result	Indicates if the operation completed successfully or if a failure occurred.
callback_arg	The user argument passed to the callback function.

Function Documentation

globus_result_t globus_ftp_control_command_copy	(	globus_ftp_control_command_t *	dest,
		globus_ftp_control_command_t *	src
	)

Copy of GridFTP command.

This function should be called when the user needs to make a copy of a command structure.

Parameters

dest	The area of memory that the command structure is copied to.
src	The command structure to be copied.

globus_result_t globus_ftp_control_command_destroy ( globus_ftp_control_command_t * command )

Destroy a GridFTP command.

This function frees up the memory allocated to the command argument.

Parameters

command The command structure whose associated memory is to be freed

globus_result_t globus_ftp_control_command_init	(	globus_ftp_control_command_t *	command,
		char *	raw_command,
		globus_ftp_control_auth_info_t *	auth_info
	)

Initialize a GridFTP command.

This function initializes a command structure based on a null terminated string representing one line of input from the client. The command structure is used as a convenience to determine what command the client issued. This function parses a command string sent by a client and populates the command argument appropriately. In the GSSAPI case it will also decode and unwrap the command before parsing it.

Parameters

command	A pointer to the command structure to be initialized
raw_command	A null terminated line of client input. Should contain one command.
auth_info	Authentication information needed for unwrapping a command

globus_result_t globus_ftp_control_read_commands	(	globus_ftp_control_handle_t *	handle,
		globus_ftp_control_command_callback_t	callback,
		void *	callback_arg
	)

Read GridFTP commands.

This function begins reading control commands on a globus_ftp_control_handle_t. When a command is read the callback function is called.

Parameters

handle	The control connection handle that commands will be read from. Prior to calling this the function globus_ftp_control_handle_t must be populated via a call to globus_ftp_control_accept().
callback	The user callback that will be called when commands are read.
callback_arg	The user argument passed to the callback.

globus_result_t globus_ftp_control_send_response	(	globus_ftp_control_handle_t *	handle,
		const char *	respspec,
		globus_ftp_control_callback_t	callback,
		void *	callback_arg,
			...
	)

Send a GridFTP response.

This function sends a GridFTP formatted response to the client. When a command callback is received the user calls this function to respond to the clients request.

Parameters

handle	The control connection to send the response across.
respspec	A formated string representing the users response.
callback	The user callback that will be called when the response has been sent.
callback_arg	The user argument passed to the callback.

globus_result_t globus_ftp_control_server_accept	(	globus_ftp_control_server_t *	listener,
		globus_ftp_control_handle_t *	handle,
		globus_ftp_control_callback_t	callback,
		void *	callback_arg
	)

Accept a Client Connection.

This function is called to accept a connection request from a client.

When the listen callback is called (see globus_ftp_control_server_listen) a client has requested a connection. This function must be called to accept that user connection request. Once the connection is established or if a error occurs, the callback function is called.

Parameters

listener	The server object that received the connection request.
handle	The control connection object. This structure will be populated and passed to the callback when the client is authorized. This structure represents the control connection between the server and client. It will be used to read commands from the client and send responses to the client.]
callback	The function called when the client connection has been accepted.
callback_arg	The user argument passed to the callback.

Note: This functions assumes the server and control handles have been initialized prior to calling this function.

globus_result_t globus_ftp_control_server_authenticate	(	globus_ftp_control_handle_t *	handle,
		globus_ftp_control_auth_requirements_t	auth_requirements,
		globus_ftp_control_auth_callback_t	callback,
		void *	callback_arg
	)

Authenticate a GridFTP Client Connection.

This function is called to authenticate a connection from a client.

After a client connection has been accepted (using the globus_ftp_control_server_accept call), this function should be called to authenticate the client. The caller of this function may specify certain authentication requirements using the auth_requirements parameter.

Parameters

handle	The control connection object. This structure will be populated and passed to the callback when the client is authorized. This structure represents the control connection between the server and client. It will be used to read commands from the client and send responses to the client.]
auth_requirements	This structure represents the authentication requirements that the user has for a given connection. For example GridFTP user name, password, and account.
callback	The function called when the client authentication has been accepted or rejected.
callback_arg	The user argument passed to the callback.

Note: It is up to the user of this function to send the reply to the last command of the authentication sequence.; This functions assumes the server and control handles have been initialized prior to calling this function.

globus_result_t globus_ftp_control_server_handle_destroy ( globus_ftp_control_server_t * handle )

Destroy a GridFTP server handle.

This function will free up all dynamically allocated memory associated with a given globus ftp server handle. It will also remove the handle from a list used by the module activation/deactivation functions. This function should only be called after a call to globus_ftp_control_server_stop.

Parameters

handle The handle to destroy.

Returns

success
invalid handle
handle is still in listening state

globus_result_t globus_ftp_control_server_handle_init ( globus_ftp_control_server_t * handle )

Initialize a GridFTP server handle.

This function will set up (i.e. initialize all mutexes and variables) a globus ftp server handle. It will also enter the handle in a list used by the module activation/deactivation functions.

Parameters

handle The handle to initialize.

Returns

GLOBUS_SUCCESS
invalid handle

globus_result_t globus_ftp_control_server_listen	(	globus_ftp_control_server_t *	server_handle,
		unsigned short *	port,
		globus_ftp_control_server_callback_t	callback,
		void *	callback_arg
	)

Listen on for FTP Client Connections.

This function starts the listening on *port for connections from ftp clients. When a connection request is made callback is called and passed callback_arg. Upon return from this function the server_handle structure is initialized.

Parameters

server_handle	A pointer to a initialized server handle.
port	A pointer to the port to listen on. If the initial value is zero it will be set to the default value.
callback	The callback function called when connection requests are made.
callback_arg	The user argument passed to the callback function when connection requests are made.

Note: I'm not providing any mechanism for making sure that this function is only called once. Is this needed?

globus_result_t globus_ftp_control_server_stop	(	globus_ftp_control_server_t *	listener,
		globus_ftp_control_server_callback_t	callback,
		void *	callback_arg
	)

Stop listening for GridFTP client connections.

This function stops listening on the given listener object for client connections. All existing client connections are left open.

Parameters

listener	the globus_ftp_control_server_t object that should no longer listen for connections.
callback	The user callback that will be called when the server structure is no longer listening.
callback_arg	The user argument that is passed into callback.

Typedefs

Functions

Detailed Description

Typedef Documentation

Function Documentation