Annotation of src/usr.bin/systat/engine.h, Revision 1.1
1.1 ! canacar 1: /* $Id: engine.h,v 1.7 2007/10/02 04:17:37 canacar Exp $ */
! 2: /*
! 3: * Copyright (c) 2001, 2007 Can Erkin Acar <canacar@openbsd.org>
! 4: *
! 5: * Permission to use, copy, modify, and distribute this software for any
! 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
! 8: *
! 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 16: */
! 17:
! 18: #ifndef _ENGINE_H_
! 19: #define _ENGINE_H_
! 20:
! 21: #include <curses.h>
! 22:
! 23: #define DEFAULT_WIDTH 80
! 24: #define DEFAULT_HEIGHT 25
! 25:
! 26: /* XXX do not hardcode! */
! 27: #define HEADER_LINES 4
! 28:
! 29:
! 30: #define CTRL_A 1
! 31: #define CTRL_B 2
! 32: #define CTRL_E 5
! 33: #define CTRL_F 6
! 34: #define CTRL_G 7
! 35: #define CTRL_H 8
! 36: #define CTRL_L 12
! 37: #define CTRL_N 14
! 38: #define CTRL_P 16
! 39: #define CTRL_V 22
! 40:
! 41: #define META_V 246
! 42:
! 43: #define MAX_LINE_BUF 1024
! 44:
! 45:
! 46: #define FLD_ALIGN_LEFT 0
! 47: #define FLD_ALIGN_RIGHT 1
! 48: #define FLD_ALIGN_CENTER 2
! 49: #define FLD_ALIGN_COLUMN 3
! 50: #define FLD_ALIGN_BAR 4
! 51:
! 52: #define FLD_FLAG_HIDDEN 1
! 53:
! 54:
! 55: typedef struct {
! 56: char *title;
! 57: int norm_width;
! 58: int max_width;
! 59: int increment;
! 60: int align;
! 61: int start;
! 62: int width;
! 63: unsigned flags;
! 64: int arg;
! 65: } field_def;
! 66:
! 67: typedef struct {
! 68: char *name;
! 69: char *match;
! 70: int hotkey;
! 71: int (*func) (const void *, const void *);
! 72: } order_type;
! 73:
! 74: struct view_manager {
! 75: char *name;
! 76: int (*select_fn) (void);
! 77: int (*read_fn) (void);
! 78: void (*sort_fn) (void);
! 79: int (*header_fn) (void);
! 80: void (*print_fn) (void);
! 81: int (*key_fn) (int);
! 82: order_type *order_list;
! 83: order_type *order_curr;
! 84: };
! 85:
! 86: typedef struct {
! 87: field_def **view;
! 88: char *name;
! 89: int hotkey;
! 90: struct view_manager *mgr;
! 91: } field_view;
! 92:
! 93: struct command {
! 94: char *prompt;
! 95: void ( *exec)(void);
! 96: };
! 97:
! 98:
! 99: void tb_start(void);
! 100:
! 101: void tb_end(void);
! 102:
! 103: int tbprintf(char *format, ...) GCC_PRINTFLIKE(1,2);
! 104:
! 105: void end_line(void);
! 106: void end_page(void);
! 107:
! 108: void print_fld_str(field_def *fld, const char *str);
! 109: void print_fld_age(field_def *fld, unsigned int age);
! 110: void print_fld_sdiv(field_def *fld, u_int64_t size, int div);
! 111: void print_fld_size(field_def *fld, u_int64_t size);
! 112: void print_fld_bw(field_def *fld, double bw);
! 113: void print_fld_rate(field_def *fld, double rate);
! 114: void print_fld_uint(field_def *fld, unsigned int size);
! 115: void print_fld_bar(field_def *fld, int value);
! 116: void print_fld_tb(field_def *fld);
! 117:
! 118: void print_title(void);
! 119:
! 120: void hide_field(field_def *fld);
! 121: void show_field(field_def *fld);
! 122: void field_setup(void);
! 123:
! 124: void add_view(field_view *fv);
! 125: int set_view(char *opt);
! 126: void next_view(void);
! 127: void prev_view(void);
! 128:
! 129: void set_order(char *opt);
! 130: void next_order(void);
! 131:
! 132: void setup_term(int maxpr);
! 133:
! 134: void engine_initialize(void);
! 135: void engine_loop(int countmax);
! 136:
! 137: struct command *command_set(struct command *cmd, const char *init);
! 138: const char *message_set(const char *msg);
! 139:
! 140: void foreach_view(void (*callback)(field_view *));
! 141:
! 142: extern int sortdir;
! 143: extern useconds_t udelay;
! 144: extern int dispstart;
! 145: extern int interactive;
! 146: extern int maxprint;
! 147: extern int paused;
! 148: extern int rawmode;
! 149: extern int rawwidth;
! 150: extern int columns, lines;
! 151:
! 152: extern int need_update;
! 153: extern int need_sort;
! 154:
! 155: extern volatile sig_atomic_t gotsig_close;
! 156: extern volatile sig_atomic_t gotsig_resize;
! 157: extern volatile sig_atomic_t gotsig_alarm;
! 158:
! 159: extern field_view *curr_view;
! 160: extern struct view_manager *curr_mgr;
! 161:
! 162: extern char tmp_buf[MAX_LINE_BUF];
! 163: extern char cmdbuf[MAX_LINE_BUF];
! 164:
! 165: extern int curr_line; /* XXX temp */
! 166: extern u_int32_t num_disp;
! 167: #endif
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