1 /*- 2 * Copyright (c) 2013-2016 Devin Teske <dteske@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _DPV_H_ 30 #define _DPV_H_ 31 32 #include <sys/types.h> 33 34 #ifndef TRUE 35 #define TRUE 1 36 #endif 37 #ifndef FALSE 38 #define FALSE 0 39 #endif 40 41 /* localeconv(3) */ 42 #define LC_NUMERIC_DEFAULT "en_US.ISO8859-1" 43 44 /* Data to process */ 45 extern long long dpv_overall_read; 46 47 /* Interrupt flag */ 48 extern int dpv_interrupt; /* Set to TRUE in interrupt handler */ 49 extern int dpv_abort; /* Set to true in callback to abort */ 50 51 /* 52 * Display types for use with display_type member of dpv_config structure 53 */ 54 enum dpv_display { 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) */ 59 }; 60 61 /* 62 * Output types for use with output_type member of dpv_config structure 63 */ 64 enum dpv_output { 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 */ 68 }; 69 70 /* 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 74 * dpv_file_node. 75 */ 76 enum dpv_status { 77 DPV_STATUS_RUNNING = 0, /* Running (default) */ 78 DPV_STATUS_DONE, /* Completed */ 79 DPV_STATUS_FAILED, /* Oops, something went wrong */ 80 }; 81 82 /* 83 * Anatomy of file option; pass an array of these as dpv() file_list argument 84 * terminated with a NULL pointer. 85 */ 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) */ 94 }; 95 96 /* 97 * Anatomy of config option to pass as dpv() config argument 98 */ 99 struct dpv_config { 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. 109 * Default 2 */ 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 */ 123 124 /* 125 * Function pointer; action to perform data transfer 126 */ 127 int (*action)(struct dpv_file_node *file, int out); 128 }; 129 130 /* 131 * Macros for dpv() options bitmask argument 132 */ 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% */ 138 139 /* 140 * Limits (modify with extreme care) 141 */ 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' */ 146 147 /* 148 * Extra display information 149 */ 150 #define DPV_STATUS_SOLO "%'10lli bytes read @ %'9.1f bytes/sec." 151 #define DPV_STATUS_MANY (DPV_STATUS_SOLO " [%i/%i busy/wait]") 152 153 /* 154 * Strings 155 */ 156 #define DPV_DONE_DEFAULT "Done" 157 #define DPV_FAIL_DEFAULT "Fail" 158 #define DPV_PENDING_DEFAULT "Pending" 159 160 __BEGIN_DECLS 161 void dpv_free(void); 162 int dpv(struct dpv_config *_config, struct dpv_file_node *_file_list); 163 __END_DECLS 164 165 #endif /* !_DPV_H_ */ 166