164 lines
5.7 KiB
C
164 lines
5.7 KiB
C
/*-
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* Copyright (c) 2013-2016 Devin Teske <dteske@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _DPV_H_
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#define _DPV_H_
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#include <sys/types.h>
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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/* localeconv(3) */
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#define LC_NUMERIC_DEFAULT "en_US.ISO8859-1"
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/* Data to process */
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extern long long dpv_overall_read;
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/* Interrupt flag */
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extern int dpv_interrupt; /* Set to TRUE in interrupt handler */
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extern int dpv_abort; /* Set to true in callback to abort */
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/*
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* Display types for use with display_type member of dpv_config structure
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*/
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enum dpv_display {
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DPV_DISPLAY_LIBDIALOG = 0, /* Display using dialog(3) (default) */
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DPV_DISPLAY_STDOUT, /* Display on stdout */
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DPV_DISPLAY_DIALOG, /* Display using spawned dialog(1) */
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DPV_DISPLAY_XDIALOG, /* Display using spawned Xdialog(1) */
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};
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/*
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* Output types for use with output_type member of dpv_config structure
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*/
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enum dpv_output {
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DPV_OUTPUT_NONE = 0, /* No output (default) */
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DPV_OUTPUT_FILE, /* Read `output' member as file path */
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DPV_OUTPUT_SHELL, /* Read `output' member as shell cmd */
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};
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/*
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* Activity types for use with status member of dpv_file_node structure.
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* If you set a status other than DPV_STATUS_RUNNING on the current file in the
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* action callback of dpv_config structure, you'll end callbacks for that
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* dpv_file_node.
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*/
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enum dpv_status {
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DPV_STATUS_RUNNING = 0, /* Running (default) */
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DPV_STATUS_DONE, /* Completed */
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DPV_STATUS_FAILED, /* Oops, something went wrong */
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};
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/*
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* Anatomy of file option; pass an array of these as dpv() file_list argument
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* terminated with a NULL pointer.
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*/
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struct dpv_file_node {
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enum dpv_status status; /* status of read operation */
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char *msg; /* display instead of "Done/Fail" */
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char *name; /* name of file to read */
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char *path; /* path to file */
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long long length; /* expected size */
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long long read; /* number units read (e.g., bytes) */
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struct dpv_file_node *next; /* pointer to next (end with NULL) */
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};
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/*
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* Anatomy of config option to pass as dpv() config argument
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*/
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struct dpv_config {
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uint8_t keep_tite; /* Prevent visually distracting exit */
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enum dpv_display display_type; /* Display (default TYPE_LIBDIALOG) */
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enum dpv_output output_type; /* Output (default TYPE_NONE) */
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int debug; /* Enable debugging output on stderr */
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int display_limit; /* Files per `page'. Default -1 */
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int label_size; /* Label size. Default 28 */
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int pbar_size; /* Mini-progress size. See dpv(3) */
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int dialog_updates_per_second; /* Progress updates/s. Default 16 */
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int status_updates_per_second; /* dialog(3) status updates/second.
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* Default 2 */
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uint16_t options; /* Special options. Default 0 */
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char *title; /* widget title */
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char *backtitle; /* Widget backtitle */
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char *aprompt; /* Prompt append. Default NULL */
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char *pprompt; /* Prompt prefix. Default NULL */
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char *msg_done; /* Progress text. Default `Done' */
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char *msg_fail; /* Progress text. Default `Fail' */
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char *msg_pending; /* Progress text. Default `Pending' */
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char *output; /* Output format string; see dpv(3) */
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const char *status_solo; /* dialog(3) solo-status format.
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* Default DPV_STATUS_SOLO */
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const char *status_many; /* dialog(3) many-status format.
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* Default DPV_STATUS_MANY */
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/*
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* Function pointer; action to perform data transfer
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*/
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int (*action)(struct dpv_file_node *file, int out);
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};
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/*
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* Macros for dpv() options bitmask argument
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*/
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#define DPV_TEST_MODE 0x0001 /* Test mode (fake reading data) */
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#define DPV_WIDE_MODE 0x0002 /* prefix/append bump dialog width */
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#define DPV_NO_LABELS 0x0004 /* Hide file_node.name labels */
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#define DPV_USE_COLOR 0x0008 /* Override to force color output */
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#define DPV_NO_OVERRUN 0x0010 /* Stop transfers when they hit 100% */
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/*
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* Limits (modify with extreme care)
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*/
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#define DPV_APROMPT_MAX 4096 /* Buffer size for `-a text' */
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#define DPV_DISPLAY_LIMIT 10 /* Max file progress lines */
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#define DPV_PPROMPT_MAX 4096 /* Buffer size for `-p text' */
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#define DPV_STATUS_FORMAT_MAX 80 /* Buffer size for `-u format' */
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/*
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* Extra display information
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*/
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#define DPV_STATUS_SOLO "%'10lli bytes read @ %'9.1f bytes/sec."
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#define DPV_STATUS_MANY (DPV_STATUS_SOLO " [%i/%i busy/wait]")
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/*
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* Strings
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*/
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#define DPV_DONE_DEFAULT "Done"
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#define DPV_FAIL_DEFAULT "Fail"
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#define DPV_PENDING_DEFAULT "Pending"
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__BEGIN_DECLS
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void dpv_free(void);
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int dpv(struct dpv_config *_config, struct dpv_file_node *_file_list);
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__END_DECLS
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#endif /* !_DPV_H_ */
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