2 * Copyright (c) 2013-2016 Devin Teske <dteske@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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32 #include <sys/types.h>
42 #define LC_NUMERIC_DEFAULT "en_US.ISO8859-1"
45 extern long long dpv_overall_read;
48 extern int dpv_interrupt; /* Set to TRUE in interrupt handler */
49 extern int dpv_abort; /* Set to true in callback to abort */
52 * Display types for use with display_type member of dpv_config structure
55 DPV_DISPLAY_LIBDIALOG = 0, /* Display using dialog(3) (default) */
56 DPV_DISPLAY_STDOUT, /* Display on stdout */
57 DPV_DISPLAY_DIALOG, /* Display using spawned dialog(1) */
58 DPV_DISPLAY_XDIALOG, /* Display using spawned Xdialog(1) */
62 * Output types for use with output_type member of dpv_config structure
65 DPV_OUTPUT_NONE = 0, /* No output (default) */
66 DPV_OUTPUT_FILE, /* Read `output' member as file path */
67 DPV_OUTPUT_SHELL, /* Read `output' member as shell cmd */
71 * Activity types for use with status member of dpv_file_node structure.
72 * If you set a status other than DPV_STATUS_RUNNING on the current file in the
73 * action callback of dpv_config structure, you'll end callbacks for that
77 DPV_STATUS_RUNNING = 0, /* Running (default) */
78 DPV_STATUS_DONE, /* Completed */
79 DPV_STATUS_FAILED, /* Oops, something went wrong */
83 * Anatomy of file option; pass an array of these as dpv() file_list argument
84 * terminated with a NULL pointer.
86 struct dpv_file_node {
87 enum dpv_status status; /* status of read operation */
88 char *msg; /* display instead of "Done/Fail" */
89 char *name; /* name of file to read */
90 char *path; /* path to file */
91 long long length; /* expected size */
92 long long read; /* number units read (e.g., bytes) */
93 struct dpv_file_node *next; /* pointer to next (end with NULL) */
97 * Anatomy of config option to pass as dpv() config argument
100 uint8_t keep_tite; /* Prevent visually distracting exit */
101 enum dpv_display display_type; /* Display (default TYPE_LIBDIALOG) */
102 enum dpv_output output_type; /* Output (default TYPE_NONE) */
103 int debug; /* Enable debugging output on stderr */
104 int display_limit; /* Files per `page'. Default -1 */
105 int label_size; /* Label size. Default 28 */
106 int pbar_size; /* Mini-progress size. See dpv(3) */
107 int dialog_updates_per_second; /* Progress updates/s. Default 16 */
108 int status_updates_per_second; /* dialog(3) status updates/second.
110 uint16_t options; /* Special options. Default 0 */
111 char *title; /* widget title */
112 char *backtitle; /* Widget backtitle */
113 char *aprompt; /* Prompt append. Default NULL */
114 char *pprompt; /* Prompt prefix. Default NULL */
115 char *msg_done; /* Progress text. Default `Done' */
116 char *msg_fail; /* Progress text. Default `Fail' */
117 char *msg_pending; /* Progress text. Default `Pending' */
118 char *output; /* Output format string; see dpv(3) */
119 const char *status_solo; /* dialog(3) solo-status format.
120 * Default DPV_STATUS_SOLO */
121 const char *status_many; /* dialog(3) many-status format.
122 * Default DPV_STATUS_MANY */
125 * Function pointer; action to perform data transfer
127 int (*action)(struct dpv_file_node *file, int out);
131 * Macros for dpv() options bitmask argument
133 #define DPV_TEST_MODE 0x0001 /* Test mode (fake reading data) */
134 #define DPV_WIDE_MODE 0x0002 /* prefix/append bump dialog width */
135 #define DPV_NO_LABELS 0x0004 /* Hide file_node.name labels */
136 #define DPV_USE_COLOR 0x0008 /* Override to force color output */
137 #define DPV_NO_OVERRUN 0x0010 /* Stop transfers when they hit 100% */
140 * Limits (modify with extreme care)
142 #define DPV_APROMPT_MAX 4096 /* Buffer size for `-a text' */
143 #define DPV_DISPLAY_LIMIT 10 /* Max file progress lines */
144 #define DPV_PPROMPT_MAX 4096 /* Buffer size for `-p text' */
145 #define DPV_STATUS_FORMAT_MAX 80 /* Buffer size for `-u format' */
148 * Extra display information
150 #define DPV_STATUS_SOLO "%'10lli bytes read @ %'9.1f bytes/sec."
151 #define DPV_STATUS_MANY (DPV_STATUS_SOLO " [%i/%i busy/wait]")
156 #define DPV_DONE_DEFAULT "Done"
157 #define DPV_FAIL_DEFAULT "Fail"
158 #define DPV_PENDING_DEFAULT "Pending"
162 int dpv(struct dpv_config *_config, struct dpv_file_node *_file_list);
165 #endif /* !_DPV_H_ */