ftpdataio.h
上传用户:ig0539
上传日期:2022-05-21
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文件大小:3k
- #ifndef VSF_FTPDATAIO_H
- #define VSF_FTPDATAIO_H
- #include "filesize.h"
- struct mystr;
- struct vsf_sysutil_sockaddr;
- struct vsf_sysutil_dir;
- struct vsf_session;
- /* vsf_ftpdataio_dispose_transfer_fd()
- * PURPOSE
- * Close down the remote data transfer file descriptor. If unsent data reamins
- * on the connection, this method blocks until it is transferred (or the data
- * timeout goes off, or the connection is severed).
- * PARAMETERS
- * p_sess - the current FTP session object
- * RETURNS
- * 1 on success, 0 otherwise.
- *
- */
- int vsf_ftpdataio_dispose_transfer_fd(struct vsf_session* p_sess);
- /* vsf_ftpdataio_get_pasv_fd()
- * PURPOSE
- * Return a connection data file descriptor obtained by the PASV connection
- * method. This includes accept()'ing a connection from the remote.
- * PARAMETERS
- * p_sess - the current FTP session object
- * RETURNS
- * The file descriptor upon success, or -1 upon error.
- */
- int vsf_ftpdataio_get_pasv_fd(struct vsf_session* p_sess);
- /* vsf_ftpdataio_get_pasv_fd()
- * PURPOSE
- * Return a connection data file descriptor obtained by the PORT connection
- * method. This includes connect()'ing to the remote.
- * PARAMETERS
- * p_sess - the current FTP session object
- * RETURNS
- * The file descriptor upon success, or -1 upon error.
- */
- int vsf_ftpdataio_get_port_fd(struct vsf_session* p_sess);
- /* vsf_ftpdataio_post_mark_connect()
- * PURPOSE
- * Perform any post-150-status-mark setup on the data connection. For example,
- * the negotiation of SSL.
- * PARAMETERS
- * p_sess - the current FTP session object
- * RETURNS
- * 1 on success, 0 otherwise.
- */
- int vsf_ftpdataio_post_mark_connect(struct vsf_session* p_sess);
- /* vsf_ftpdataio_transfer_file()
- * PURPOSE
- * Send data between the network and a local file. Send and receive are
- * supported, as well as ASCII mangling.
- * PARAMETERS
- * remote_fd - the file descriptor of the remote data connection
- * file_fd - the file descriptor of the local file
- * is_recv - 0 for sending to the remote, otherwise receive
- * is_ascii - non zero for ASCII mangling
- * RETURNS
- * A structure, containing
- * retval - 0 for success, failure otherwise
- * (-1 = local problem -2 = remote problem)
- * transferred - number of bytes transferred
- */
- struct vsf_transfer_ret
- {
- int retval;
- filesize_t transferred;
- };
- struct vsf_transfer_ret vsf_ftpdataio_transfer_file(
- struct vsf_session* p_sess,
- int remote_fd, int file_fd, int is_recv, int is_ascii);
- /* vsf_ftpdataio_transfer_dir()
- * PURPOSE
- * Send an ASCII directory lising of the requested directory to the remote
- * client.
- * PARAMETERS
- * p_sess - the current session object
- * is_control - whether to send on the control connection or data connection
- * p_dir - the local directory object
- * p_base_dir_str - the directory we opened relative to the current one
- * p_option_str - the options list provided to "ls"
- * p_filter_str - the filter string provided to "ls"
- * is_verbose - set to 0 if NLST used, 1 if LIST used
- */
- int vsf_ftpdataio_transfer_dir(struct vsf_session* p_sess, int is_control,
- struct vsf_sysutil_dir* p_dir,
- const struct mystr* p_base_dir_str,
- const struct mystr* p_option_str,
- const struct mystr* p_filter_str,
- int is_verbose);
- #endif /* VSF_FTPDATAIO_H */