1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
#ifndef COMPACTDISPLAY_H
#define COMPACTDISPLAY_H
#include <new>
#include <stdexcept>
#include <iostream>
#include <iomanip>
#include <string>
#include <cstdint>
extern "C"
{
#include <unistd.h>
#include <time.h>
}
#include <GenericDisplay.h>
#include <map_types.h>
#include <DrbdResource.h>
#include <DrbdConnection.h>
#include <DrbdVolume.h>
#include <DrbdRole.h>
#include <MessageLog.h>
#include <Configurable.h>
#include <ConfigOption.h>
class DrbdMon;
class CompactDisplay : public GenericDisplay, public Configurable
{
public:
static const std::string OPT_NO_HEADER_KEY;
static const std::string OPT_NO_HOTKEYS_KEY;
static const std::string OPT_ASCII_KEY;
static const std::string OPT_PROBLEMS_KEY;
static const std::string HDR_SPACER;
static const std::string NODE_DSP_PREFIX;
static const std::string TRUNC_MARKER;
static const ConfigOption OPT_NO_HEADER;
static const ConfigOption OPT_NO_HOTKEYS;
static const ConfigOption OPT_ASCII;
static const ConfigOption OPT_PROBLEMS;
static const char* F_NORM;
static const char* F_WARN;
static const char* F_ALERT;
static const char* F_RESET;
static const char* F_MARK;
static const char* F_HEADER;
static const char* F_RES_NORM;
static const char* F_RES_NAME_NORM;
static const char* F_RES_NAME_ALERT;
static const char* F_VOL_NORM;
static const char* F_VOL_CLIENT;
static const char* F_VOL_MINOR;
static const char* F_CONN_NORM;
static const char* F_PRIMARY;
static const char* F_SECONDARY;
static const char* QUORUM_ALERT;
static const int QUORUM_ALERT_WIDTH;
static const char* F_CONN_PRI_FG;
static const char* F_RES_NAME;
static const char* F_RES_COUNT;
static const char* F_PRB_COUNT;
static const char* F_CURSOR_POS;
static const char* F_HOTKEY;
static const char* F_ALERT_HOTKEY;
static const char* F_PAGE;
static const int PAGE_POS_R;
static const char* F_GOTO_PAGE;
static const int GOTO_PAGE_POS_R;
static const int GOTO_PAGE_CURSOR_POS;
static const char* UTF8_PRIMARY;
static const char* UTF8_SECONDARY;
static const char* UTF8_CONN_GOOD;
static const char* UTF8_CONN_BAD;
static const char* UTF8_DISK_GOOD;
static const char* UTF8_DISK_BAD;
static const char* UTF8_MARK_OFF;
static const char* UTF8_MARK_ON;
static const char* ASCII_PRIMARY;
static const char* ASCII_SECONDARY;
static const char* ASCII_CONN_GOOD;
static const char* ASCII_CONN_BAD;
static const char* ASCII_DISK_GOOD;
static const char* ASCII_DISK_BAD;
static const char* ASCII_MARK_OFF;
static const char* ASCII_MARK_ON;
static const char* ANSI_CLEAR;
static const char* ANSI_CLEAR_LINE;
static const char* ANSI_CURSOR_OFF;
static const char* ANSI_CURSOR_ON;
static const char HOTKEY_PGUP;
static const char HOTKEY_PGDN;
static const char HOTKEY_PGONE;
static const char KEY_BACKSPACE;
static const char KEY_CTRL_H;
static const char KEY_NEWLINE;
static const char KEY_ENTER;
static const char KEY_ESC;
static const std::string LABEL_MESSAGES;
static const std::string LABEL_MONITOR;
static const std::string LABEL_PROBLEMS;
static const std::string LABEL_STATUS;
static const std::string LABEL_PGUP;
static const std::string LABEL_PGDN;
static const std::string LABEL_PGZERO;
static const uint16_t INDENT_STEP_SIZE;
static const uint16_t OUTPUT_BUFFER_SIZE;
static const uint16_t MIN_SIZE_X;
static const uint16_t MAX_SIZE_X;
static const uint16_t MIN_SIZE_Y;
static const uint16_t MAX_SIZE_Y;
static const int RES_NAME_WIDTH;
static const int ROLE_WIDTH;
static const int VOL_NR_WIDTH;
static const int MINOR_NR_WIDTH;
static const int CONN_NAME_WIDTH;
static const int CONN_STATE_WIDTH;
static const int DISK_STATE_WIDTH;
static const int REPL_STATE_WIDTH;
static const uint16_t MIN_NODENAME_DSP_LENGTH;
static const uint32_t MAX_YIELD_LOOP;
// @throws std::bad_alloc
CompactDisplay(
DrbdMon& drbdmon_ref,
ResourcesMap& resources_map_ref,
MessageLog& log_ref,
HotkeysMap& hotkeys_info_ref,
const std::string* const node_name_ref
);
CompactDisplay(const CompactDisplay& orig) = delete;
CompactDisplay& operator=(const CompactDisplay& orig) = delete;
CompactDisplay(CompactDisplay&& orig) = delete;
CompactDisplay& operator=(CompactDisplay&& orig) = delete;
virtual ~CompactDisplay() noexcept override;
virtual void clear();
virtual void initial_display() override;
virtual void status_display() override;
virtual void display_header() const override;
virtual void display_hotkeys_info() const;
virtual void display_counts() const;
virtual void set_terminal_size(uint16_t size_x, uint16_t size_y) override;
virtual void set_utf8(bool enable);
// @throws std::bad_alloc
virtual void announce_options(Configurator& collector) override;
virtual void options_help() noexcept override;
// @throws std::bad_alloc
virtual void set_flag(std::string& key) override;
// @throws std::bad_alloc
virtual void set_option(std::string& key, std::string& value) override;
virtual void key_pressed(const char key) override;
private:
enum class input_mode : uint16_t
{
HOTKEYS,
PAGE_NR
};
DrbdMon& drbdmon;
ResourcesMap& resources_map;
MessageLog& log;
HotkeysMap& hotkeys_info;
int output_fd {STDOUT_FILENO};
bool dsp_msg_active {false};
bool dsp_problems_active {false};
bool problem_alert {false};
bool debug_view {false};
uint16_t page {0};
uint32_t page_start {0};
uint32_t page_end {0};
uint32_t goto_page {0};
uint16_t term_x {80};
uint16_t term_y {25};
uint16_t node_dsp_length {0};
uint16_t current_x {0};
uint32_t current_y {0};
bool show_header {true};
bool show_hotkeys {true};
bool enable_term_size {true};
input_mode mode { input_mode::HOTKEYS };
bool enable_utf8 {true};
const char* pri_icon {UTF8_PRIMARY};
const char* sec_icon {UTF8_SECONDARY};
const char* conn_good {UTF8_CONN_GOOD};
const char* conn_bad {UTF8_CONN_BAD};
const char* disk_good {UTF8_DISK_GOOD};
const char* disk_bad {UTF8_DISK_BAD};
const char* mark_off {UTF8_MARK_OFF};
const char* mark_on {UTF8_MARK_ON};
uint16_t indent_level {0};
char* indent_buffer {nullptr};
std::unique_ptr<char[]> indent_buffer_mgr {nullptr};
char *output_buffer {nullptr};
std::unique_ptr<char[]> output_buffer_mgr {nullptr};
std::unique_ptr<std::string> node_label {nullptr};
const std::string* const node_name;
// 20 ms delay
struct timespec write_retry_delay {0, 20000000};
void page_nav_display() const;
void page_nav_cursor() const;
bool list_resources();
void list_connections(DrbdResource& res);
void list_volumes(DrbdResource& res);
void show_volume(DrbdVolume& vol, bool peer_volume, bool long_format);
void list_peer_volumes(DrbdConnection& conn);
void increase_indent();
void decrease_indent();
void reset_indent();
void reset_positions();
void indent();
bool next_column(uint16_t length);
void next_line();
void problem_check();
void write_char(const char ch) const noexcept;
void write_text(const char* text) const noexcept;
void write_fmt(const char* format, ...) const noexcept;
void write_buffer(const char* buffer, size_t length) const noexcept;
};
#endif /* COMPACTDISPLAY_H */
|
