home *** CD-ROM | disk | FTP | other *** search
- /**
- * @file ft.h File Transfer API
- * @ingroup core
- *
- * gaim
- *
- * Gaim is the legal property of its developers, whose names are too numerous
- * to list here. Please refer to the COPYRIGHT file distributed with this
- * source distribution.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #ifndef _GAIM_FT_H_
- #define _GAIM_FT_H_
-
- /**************************************************************************/
- /** Data Structures */
- /**************************************************************************/
- typedef struct _GaimXfer GaimXfer;
-
- #include "account.h"
-
- /**
- * Types of file transfers.
- */
- typedef enum
- {
- GAIM_XFER_UNKNOWN = 0, /**< Unknown file transfer type. */
- GAIM_XFER_SEND, /**< File sending. */
- GAIM_XFER_RECEIVE /**< File receiving. */
-
- } GaimXferType;
-
- /**
- * The different states of the xfer.
- */
- typedef enum
- {
- GAIM_XFER_STATUS_UNKNOWN = 0, /**< Unknown, the xfer may be null. */
- GAIM_XFER_STATUS_NOT_STARTED, /**< It hasn't started yet. */
- GAIM_XFER_STATUS_ACCEPTED, /**< Receive accepted, but destination file not selected yet */
- GAIM_XFER_STATUS_STARTED, /**< gaim_xfer_start has been called. */
- GAIM_XFER_STATUS_DONE, /**< The xfer completed successfully. */
- GAIM_XFER_STATUS_CANCEL_LOCAL, /**< The xfer was canceled by us. */
- GAIM_XFER_STATUS_CANCEL_REMOTE /**< The xfer was canceled by the other end, or we couldn't connect. */
- } GaimXferStatusType;
-
- /**
- * File transfer UI operations.
- *
- * Any UI representing a file transfer must assign a filled-out
- * GaimXferUiOps structure to the gaim_xfer.
- */
- typedef struct
- {
- void (*new_xfer)(GaimXfer *xfer);
- void (*destroy)(GaimXfer *xfer);
- void (*add_xfer)(GaimXfer *xfer);
- void (*update_progress)(GaimXfer *xfer, double percent);
- void (*cancel_local)(GaimXfer *xfer);
- void (*cancel_remote)(GaimXfer *xfer);
-
- } GaimXferUiOps;
-
- /**
- * A core representation of a file transfer.
- */
- struct _GaimXfer
- {
- guint ref; /**< The reference count. */
- GaimXferType type; /**< The type of transfer. */
-
- GaimAccount *account; /**< The account. */
-
- char *who; /**< The person on the other end of the
- transfer. */
-
- char *message; /**< A message sent with the request */
- char *filename; /**< The name sent over the network. */
- char *local_filename; /**< The name on the local hard drive. */
- size_t size; /**< The size of the file. */
-
- FILE *dest_fp; /**< The destination file pointer. */
-
- char *remote_ip; /**< The remote IP address. */
- int local_port; /**< The local port. */
- int remote_port; /**< The remote port. */
-
- int fd; /**< The socket file descriptor. */
- int watcher; /**< Watcher. */
-
- size_t bytes_sent; /**< The number of bytes sent. */
- size_t bytes_remaining; /**< The number of bytes remaining. */
-
- GaimXferStatusType status; /**< File Transfer's status. */
-
- /* I/O operations. */
- struct
- {
- void (*init)(GaimXfer *xfer);
- void (*request_denied)(GaimXfer *xfer);
- void (*start)(GaimXfer *xfer);
- void (*end)(GaimXfer *xfer);
- void (*cancel_send)(GaimXfer *xfer);
- void (*cancel_recv)(GaimXfer *xfer);
- ssize_t (*read)(char **buffer, GaimXfer *xfer);
- ssize_t (*write)(const char *buffer, size_t size, GaimXfer *xfer);
- void (*ack)(GaimXfer *xfer, const char *buffer, size_t size);
-
- } ops;
-
- GaimXferUiOps *ui_ops; /**< UI-specific operations. */
- void *ui_data; /**< UI-specific data. */
-
- void *data; /**< prpl-specific data. */
- };
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /**************************************************************************/
- /** @name File Transfer API */
- /**************************************************************************/
- /*@{*/
-
- /**
- * Creates a new file transfer handle.
- * This is called by prpls.
- * The handle starts with a ref count of 1, and this reference
- * is owned by the core. The prpl normally does not need to
- * gaim_xfer_ref or unref.
- *
- * @param account The account sending or receiving the file.
- * @param type The type of file transfer.
- * @param who The name of the remote user.
- *
- * @return A file transfer handle.
- */
- GaimXfer *gaim_xfer_new(GaimAccount *account,
- GaimXferType type, const char *who);
-
- /**
- * Increases the reference count on a GaimXfer.
- * Please call gaim_xfer_unref later.
- *
- * @param xfer A file transfer handle.
- */
- void gaim_xfer_ref(GaimXfer *xfer);
-
- /**
- * Decreases the reference count on a GaimXfer.
- * If the reference reaches 0, gaim_xfer_destroy (an internal function)
- * will destroy the xfer. It calls the ui destroy cb first.
- * Since the core keeps a ref on the xfer, only an erroneous call to
- * this function will destroy the xfer while still in use.
- *
- * @param xfer A file transfer handle.
- */
- void gaim_xfer_unref(GaimXfer *xfer);
-
- /**
- * Requests confirmation for a file transfer from the user. If receiving
- * a file which is known at this point, this requests user to accept and
- * save the file. If the filename is unknown (not set) this only requests user
- * to accept the file transfer. In this case protocol must call this function
- * again once the filename is available.
- *
- * @param xfer The file transfer to request confirmation on.
- */
- void gaim_xfer_request(GaimXfer *xfer);
-
- /**
- * Called if the user accepts the file transfer request.
- *
- * @param xfer The file transfer.
- * @param filename The filename.
- */
- void gaim_xfer_request_accepted(GaimXfer *xfer, const char *filename);
-
- /**
- * Called if the user rejects the file transfer request.
- *
- * @param xfer The file transfer.
- */
- void gaim_xfer_request_denied(GaimXfer *xfer);
-
- /**
- * Returns the type of file transfer.
- *
- * @param xfer The file transfer.
- *
- * @return The type of the file transfer.
- */
- GaimXferType gaim_xfer_get_type(const GaimXfer *xfer);
-
- /**
- * Returns the account the file transfer is using.
- *
- * @param xfer The file transfer.
- *
- * @return The account.
- */
- GaimAccount *gaim_xfer_get_account(const GaimXfer *xfer);
-
- /**
- * Returns the status of the xfer.
- *
- * @param xfer The file transfer.
- *
- * @return The status.
- */
- GaimXferStatusType gaim_xfer_get_status(const GaimXfer *xfer);
-
- /**
- * Returns true if the file transfer was canceled.
- *
- * @param xfer The file transfer.
- *
- * @return Whether or not the transfer was canceled.
- */
- gboolean gaim_xfer_is_canceled(const GaimXfer *xfer);
-
- /**
- * Returns the completed state for a file transfer.
- *
- * @param xfer The file transfer.
- *
- * @return The completed state.
- */
- gboolean gaim_xfer_is_completed(const GaimXfer *xfer);
-
- /**
- * Returns the name of the file being sent or received.
- *
- * @param xfer The file transfer.
- *
- * @return The filename.
- */
- const char *gaim_xfer_get_filename(const GaimXfer *xfer);
-
- /**
- * Returns the file's destination filename,
- *
- * @param xfer The file transfer.
- *
- * @return The destination filename.
- */
- const char *gaim_xfer_get_local_filename(const GaimXfer *xfer);
-
- /**
- * Returns the number of bytes sent so far.
- *
- * @param xfer The file transfer.
- *
- * @return The number of bytes sent.
- */
- size_t gaim_xfer_get_bytes_sent(const GaimXfer *xfer);
-
- /**
- * Returns the number of bytes received so far.
- *
- * @param xfer The file transfer.
- *
- * @return The number of bytes received.
- */
- size_t gaim_xfer_get_bytes_remaining(const GaimXfer *xfer);
-
- /**
- * Returns the size of the file being sent or received.
- *
- * @param xfer The file transfer.
- *
- * @return The total size of the file.
- */
- size_t gaim_xfer_get_size(const GaimXfer *xfer);
-
- /**
- * Returns the current percentage of progress of the transfer.
- *
- * This is a number between 0 (0%) and 1 (100%).
- *
- * @param xfer The file transfer.
- *
- * @return The percentage complete.
- */
- double gaim_xfer_get_progress(const GaimXfer *xfer);
-
- /**
- * Returns the local port number in the file transfer.
- *
- * @param xfer The file transfer.
- *
- * @return The port number on this end.
- */
- unsigned int gaim_xfer_get_local_port(const GaimXfer *xfer);
-
- /**
- * Returns the remote IP address in the file transfer.
- *
- * @param xfer The file transfer.
- *
- * @return The IP address on the other end.
- */
- const char *gaim_xfer_get_remote_ip(const GaimXfer *xfer);
-
- /**
- * Returns the remote port number in the file transfer.
- *
- * @param xfer The file transfer.
- *
- * @return The port number on the other end.
- */
- unsigned int gaim_xfer_get_remote_port(const GaimXfer *xfer);
-
- /**
- * Sets the completed state for the file transfer.
- *
- * @param xfer The file transfer.
- * @param completed The completed state.
- */
- void gaim_xfer_set_completed(GaimXfer *xfer, gboolean completed);
-
- /**
- * Sets the filename for the file transfer.
- *
- * @param xfer The file transfer.
- * @param message The message.
- */
- void gaim_xfer_set_message(GaimXfer *xfer, const char *message);
-
- /**
- * Sets the filename for the file transfer.
- *
- * @param xfer The file transfer.
- * @param filename The filename.
- */
- void gaim_xfer_set_filename(GaimXfer *xfer, const char *filename);
-
- /**
- * Sets the local filename for the file transfer.
- *
- * @param xfer The file transfer.
- * @param filename The filename
- */
- void gaim_xfer_set_local_filename(GaimXfer *xfer, const char *filename);
-
- /**
- * Sets the size of the file in a file transfer.
- *
- * @param xfer The file transfer.
- * @param size The size of the file.
- */
- void gaim_xfer_set_size(GaimXfer *xfer, size_t size);
-
- /**
- * Returns the UI operations structure for a file transfer.
- *
- * @param xfer The file transfer.
- *
- * @return The UI operations structure.
- */
- GaimXferUiOps *gaim_xfer_get_ui_ops(const GaimXfer *xfer);
-
- /**
- * Sets the read function for the file transfer.
- *
- * @param xfer The file transfer.
- * @param fnc The read function.
- */
- void gaim_xfer_set_read_fnc(GaimXfer *xfer,
- ssize_t (*fnc)(char **, GaimXfer *));
-
- /**
- * Sets the write function for the file transfer.
- *
- * @param xfer The file transfer.
- * @param fnc The write function.
- */
- void gaim_xfer_set_write_fnc(GaimXfer *xfer,
- ssize_t (*fnc)(const char *, size_t, GaimXfer *));
-
- /**
- * Sets the acknowledge function for the file transfer.
- *
- * @param xfer The file transfer.
- * @param fnc The acknowledge function.
- */
- void gaim_xfer_set_ack_fnc(GaimXfer *xfer,
- void (*fnc)(GaimXfer *, const char *, size_t));
-
- /**
- * Sets the function to be called if the request is denied.
- *
- * @param xfer The file transfer.
- * @param fnc The request denied prpl callback.
- */
- void gaim_xfer_set_request_denied_fnc(GaimXfer *xfer, void (*fnc)(GaimXfer *));
-
- /**
- * Sets the transfer initialization function for the file transfer.
- *
- * This function is required, and must call gaim_xfer_start() with
- * the necessary parameters. This will be called if the file transfer
- * is accepted by the user.
- *
- * @param xfer The file transfer.
- * @param fnc The transfer initialization function.
- */
- void gaim_xfer_set_init_fnc(GaimXfer *xfer, void (*fnc)(GaimXfer *));
-
- /**
- * Sets the start transfer function for the file transfer.
- *
- * @param xfer The file transfer.
- * @param fnc The start transfer function.
- */
- void gaim_xfer_set_start_fnc(GaimXfer *xfer, void (*fnc)(GaimXfer *));
-
- /**
- * Sets the end transfer function for the file transfer.
- *
- * @param xfer The file transfer.
- * @param fnc The end transfer function.
- */
- void gaim_xfer_set_end_fnc(GaimXfer *xfer, void (*fnc)(GaimXfer *));
-
- /**
- * Sets the cancel send function for the file transfer.
- *
- * @param xfer The file transfer.
- * @param fnc The cancel send function.
- */
- void gaim_xfer_set_cancel_send_fnc(GaimXfer *xfer, void (*fnc)(GaimXfer *));
-
- /**
- * Sets the cancel receive function for the file transfer.
- *
- * @param xfer The file transfer.
- * @param fnc The cancel receive function.
- */
- void gaim_xfer_set_cancel_recv_fnc(GaimXfer *xfer, void (*fnc)(GaimXfer *));
-
- /**
- * Reads in data from a file transfer stream.
- *
- * @param xfer The file transfer.
- * @param buffer The buffer that will be created to contain the data.
- *
- * @return The number of bytes read, or -1.
- */
- ssize_t gaim_xfer_read(GaimXfer *xfer, char **buffer);
-
- /**
- * Writes data to a file transfer stream.
- *
- * @param xfer The file transfer.
- * @param buffer The buffer to read the data from.
- * @param size The number of bytes to write.
- *
- * @return The number of bytes written, or -1.
- */
- ssize_t gaim_xfer_write(GaimXfer *xfer, const char *buffer, size_t size);
-
- /**
- * Starts a file transfer.
- *
- * Either @a fd must be specified <i>or</i> @a ip and @a port on a
- * file receive transfer. On send, @a fd must be specified, and
- * @a ip and @a port are ignored.
- *
- * @param xfer The file transfer.
- * @param fd The file descriptor for the socket.
- * @param ip The IP address to connect to.
- * @param port The port to connect to.
- */
- void gaim_xfer_start(GaimXfer *xfer, int fd, const char *ip,
- unsigned int port);
-
- /**
- * Ends a file transfer.
- *
- * @param xfer The file transfer.
- */
- void gaim_xfer_end(GaimXfer *xfer);
-
- /**
- * Adds a new file transfer to the list of file transfers. Call this only
- * if you are not using gaim_xfer_start.
- *
- * @param xfer The file transfer.
- */
- void gaim_xfer_add(GaimXfer *xfer);
-
- /**
- * Cancels a file transfer on the local end.
- *
- * @param xfer The file transfer.
- */
- void gaim_xfer_cancel_local(GaimXfer *xfer);
-
- /**
- * Cancels a file transfer from the remote end.
- *
- * @param xfer The file transfer.
- */
- void gaim_xfer_cancel_remote(GaimXfer *xfer);
-
- /**
- * Displays a file transfer-related error message.
- *
- * This is a wrapper around gaim_notify_error(), which automatically
- * specifies a title ("File transfer to <i>user</i> aborted" or
- * "File Transfer from <i>user</i> aborted").
- *
- * @param type The type of file transfer.
- * @param who The user on the other end of the transfer.
- * @param msg The message to display.
- */
- void gaim_xfer_error(GaimXferType type, const char *who, const char *msg);
-
- /**
- * Updates file transfer progress.
- *
- * @param xfer The file transfer.
- */
- void gaim_xfer_update_progress(GaimXfer *xfer);
-
- /**
- * Displays a file transfer-related message in the conversation window
- *
- * This is a wrapper around gaim_conversation_write
- *
- * @param xfer The file transfer to which this message relates.
- * @param message The message to display.
- * @param gboolean Is this an error message?.
- */
- void gaim_xfer_conversation_write(GaimXfer *xfer, char *message, gboolean is_error);
- /*@}*/
-
- /**************************************************************************/
- /** @name UI Registration Functions */
- /**************************************************************************/
- /*@{*/
-
- /**
- * Sets the UI operations structure to be used in all gaim file transfers.
- *
- * @param ops The UI operations structure.
- */
- void gaim_xfers_set_ui_ops(GaimXferUiOps *ops);
-
- /**
- * Returns the UI operations structure to be used in all gaim file transfers.
- *
- * @return The UI operations structure.
- */
- GaimXferUiOps *gaim_xfers_get_ui_ops(void);
-
- /*@}*/
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* _GAIM_FT_H_ */
-