lbbs/src/user_list_display.c

/***************************************************************************
                                         user_list_display.c  -  description
                                                         -------------------
        Copyright            : (C) 2004-2025 by Leaflet
        Email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "common.h"
#include "io.h"
#include "log.h"
#include "login.h"
#include "screen.h"
#include "str_process.h"
#include "user_list.h"
#include "user_priv.h"
#include "user_list_display.h"
#include <string.h>
#include <time.h>
#include <sys/param.h>

enum select_cmd_t
{
        EXIT_LIST = 0,
        VIEW_USER,
        CHANGE_PAGE,
        REFRESH_LIST,
        SHOW_HELP,
};

static int user_list_draw_screen(int online_user)
{
        clearscr();
        show_top((online_user ? "[线上使用者]" : "[已注册用户]"), BBS_name, "");
        moveto(2, 0);
        prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
                   "查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m");
        moveto(3, 0);

        if (online_user)
        {
                prints("\033[44;37m \033[1;37m 编  号  用户名       昵称                 在线时长 空闲   最后活动            \033[m");
        }
        else
        {
                prints("\033[44;37m \033[1;37m 编  号  用户名       昵称                 上次登陆距今                        \033[m");
        }

        return 0;
}

static int user_list_draw_items(int page_id, USER_INFO *p_users, int user_count)
{
        char str_time_login[LINE_BUFFER_LEN];
        time_t tm_now;
        time_t tm_duration;
        struct tm *p_tm;
        int i;

        clrline(4, 23);

        time(&tm_now);

        for (i = 0; i < user_count; i++)
        {
                tm_duration = tm_now - p_users[i].last_login_dt;
                p_tm = gmtime(&tm_duration);
                if (p_tm == NULL)
                {
                        log_error("Invalid time duration\n");
                        str_time_login[0] = '\0';
                }
                else if (p_tm->tm_year > 70)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d年", p_tm->tm_year - 70);
                }
                else if (p_tm->tm_yday > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d天", p_tm->tm_yday);
                }
                else if (p_tm->tm_hour > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d时%d分", p_tm->tm_hour, p_tm->tm_min);
                }
                else
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d分%d秒", p_tm->tm_min, p_tm->tm_sec);
                }

                moveto(4 + i, 1);

                prints("  %6d  %s%*s %s%*s %s",
                           p_users[i].id + 1,
                           p_users[i].username,
                           BBS_username_max_len - str_length(p_users[i].username, 1),
                           "",
                           p_users[i].nickname,
                           BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
                           "",
                           str_time_login);
        }

        return 0;
}

static int user_online_list_draw_items(int page_id, USER_ONLINE_INFO *p_users, int user_count)
{
        char str_time_login[LINE_BUFFER_LEN];
        char str_time_idle[LINE_BUFFER_LEN];
        const char *p_action_title;
        time_t tm_now;
        time_t tm_duration;
        struct tm *p_tm;
        int i;

        clrline(4, 23);

        time(&tm_now);

        for (i = 0; i < user_count; i++)
        {
                tm_duration = tm_now - p_users[i].login_tm;
                p_tm = gmtime(&tm_duration);
                if (p_tm == NULL)
                {
                        log_error("Invalid time duration\n");
                        str_time_login[0] = '\0';
                }
                else if (p_tm->tm_yday > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d天%d时", p_tm->tm_yday, p_tm->tm_hour);
                }
                else if (p_tm->tm_hour > 0)
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d时%d分", p_tm->tm_hour, p_tm->tm_min);
                }
                else
                {
                        snprintf(str_time_login, sizeof(str_time_login),
                                         "%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
                }

                tm_duration = tm_now - p_users[i].last_tm;
                p_tm = gmtime(&tm_duration);
                if (p_tm == NULL)
                {
                        log_error("Invalid time duration\n");
                        str_time_idle[0] = '\0';
                }
                else if (p_tm->tm_min > 0)
                {
                        snprintf(str_time_idle, sizeof(str_time_idle),
                                         "%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
                }
                else
                {
                        snprintf(str_time_idle, sizeof(str_time_idle),
                                         "%d\"", p_tm->tm_sec);
                }

                p_action_title = (p_users[i].current_action_title != NULL
                                                          ? p_users[i].current_action_title
                                                          : p_users[i].current_action);

                moveto(4 + i, 1);

                prints("  %6d  %s%*s %s%*s %s%*s %s%*s %s",
                           p_users[i].id + 1,
                           p_users[i].user_info.username,
                           BBS_username_max_len - str_length(p_users[i].user_info.username, 1),
                           "",
                           p_users[i].user_info.nickname,
                           BBS_nickname_max_len / 2 - str_length(p_users[i].user_info.nickname, 1),
                           "",
                           str_time_login,
                           8 - str_length(str_time_login, 1),
                           "",
                           str_time_idle,
                           6 - str_length(str_time_idle, 1),
                           "",
                           p_action_title);
        }

        return 0;
}

static enum select_cmd_t user_list_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
{
        int old_page_id = *p_page_id;
        int old_selected_index = *p_selected_index;
        int ch;

        if (item_count > 0 && *p_selected_index >= 0)
        {
                moveto(4 + *p_selected_index, 1);
                outc('>');
                iflush();
        }

        while (!SYS_server_exit)
        {
                ch = igetch(100);

                if (ch != KEY_NULL && ch != KEY_TIMEOUT)
                {
                        BBS_last_access_tm = time(NULL);
                }

                switch (ch)
                {
                case KEY_NULL: // broken pipe
                        log_error("KEY_NULL\n");
                case KEY_ESC:
                case KEY_LEFT:
                        return EXIT_LIST; // exit list
                case KEY_TIMEOUT:
                        if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
                        {
                                log_error("User input timeout\n");
                                return EXIT_LIST; // exit list
                        }
                        continue;
                case CR:
                case KEY_RIGHT:
                        if (item_count > 0)
                        {
                                return VIEW_USER;
                        }
                        break;
                case KEY_HOME:
                        *p_page_id = 0;
                case 'P':
                case KEY_PGUP:
                        *p_selected_index = 0;
                case 'k':
                case KEY_UP:
                        if (*p_selected_index <= 0)
                        {
                                if (*p_page_id > 0)
                                {
                                        (*p_page_id)--;
                                        *p_selected_index = BBS_user_limit_per_page - 1;
                                }
                                else if (ch == KEY_UP || ch == 'k') // Rotate to the tail of list
                                {
                                        if (total_page > 0)
                                        {
                                                *p_page_id = total_page - 1;
                                        }
                                        if (item_count > 0)
                                        {
                                                *p_selected_index = item_count - 1;
                                        }
                                }
                        }
                        else
                        {
                                (*p_selected_index)--;
                        }
                        break;
                case '$':
                case KEY_END:
                        if (total_page > 0)
                        {
                                *p_page_id = total_page - 1;
                        }
                case 'N':
                case KEY_PGDN:
                        if (item_count > 0)
                        {
                                *p_selected_index = item_count - 1;
                        }
                case 'j':
                case KEY_DOWN:
                        if (*p_selected_index + 1 >= item_count) // next page
                        {
                                if (*p_page_id + 1 < total_page)
                                {
                                        (*p_page_id)++;
                                        *p_selected_index = 0;
                                }
                                else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of list
                                {
                                        *p_page_id = 0;
                                        *p_selected_index = 0;
                                }
                        }
                        else
                        {
                                (*p_selected_index)++;
                        }
                        break;
                case KEY_F5:
                        return REFRESH_LIST;
                case 'h':
                        return SHOW_HELP;
                default:
                        break;
                }

                if (old_page_id != *p_page_id)
                {
                        return CHANGE_PAGE;
                }

                if (item_count > 0 && old_selected_index != *p_selected_index)
                {
                        if (old_selected_index >= 0)
                        {
                                moveto(4 + old_selected_index, 1);
                                outc(' ');
                        }
                        if (*p_selected_index >= 0)
                        {
                                moveto(4 + *p_selected_index, 1);
                                outc('>');
                        }
                        iflush();

                        old_selected_index = *p_selected_index;
                }
        }

        return EXIT_LIST;
}

int user_list_display(int online_user)
{
        char page_info_str[LINE_BUFFER_LEN];
        USER_INFO users[BBS_user_limit_per_page];
        USER_ONLINE_INFO online_users[BBS_user_limit_per_page];
        int user_count = 0;
        int page_count = 0;
        int page_id = 0;
        int selected_index = 0;
        int ret = 0;

        user_list_draw_screen(online_user);

        if (online_user)
        {
                ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
                if (ret < 0)
                {
                        log_error("query_user_online_list(page_id=%d) error\n", page_id);
                        return -2;
                }
        }
        else
        {
                ret = query_user_list(page_id, users, &user_count, &page_count);
                if (ret < 0)
                {
                        log_error("query_user_list(page_id=%d) error\n", page_id);
                        return -2;
                }
        }

        if (user_count == 0) // empty list
        {
                selected_index = 0;
        }

        while (!SYS_server_exit)
        {
                if (online_user)
                {
                        ret = user_online_list_draw_items(page_id, online_users, user_count);
                        if (ret < 0)
                        {
                                log_error("user_online_list_draw_items(page_id=%d) error\n", page_id);
                                return -3;
                        }
                }
                else
                {
                        ret = user_list_draw_items(page_id, users, user_count);
                        if (ret < 0)
                        {
                                log_error("user_list_draw_items(page_id=%d) error\n", page_id);
                                return -3;
                        }
                }

                snprintf(page_info_str, sizeof(page_info_str),
                                 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
                                 page_id + 1, MAX(page_count, 1));

                show_bottom(page_info_str);
                iflush();

                if (user_online_update(online_user ? "USER_ONLINE" : "USER_LIST") < 0)
                {
                        log_error("user_online_update(%s) error\n",
                                          (online_user ? "USER_ONLINE" : "USER_LIST"));
                }

                ret = user_list_select(page_count, user_count, &page_id, &selected_index);
                switch (ret)
                {
                case EXIT_LIST:
                        return 0;
                case REFRESH_LIST:
                case CHANGE_PAGE:
                        if (online_user)
                        {
                                ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
                                if (ret < 0)
                                {
                                        log_error("query_user_online_list(page_id=%d) error\n", page_id);
                                        return -2;
                                }
                        }
                        else
                        {
                                ret = query_user_list(page_id, users, &user_count, &page_count);
                                if (ret < 0)
                                {
                                        log_error("query_user_list(page_id=%d) error\n", page_id);
                                        return -2;
                                }
                        }

                        if (user_count == 0) // empty list
                        {
                                selected_index = 0;
                        }
                        else if (selected_index >= user_count)
                        {
                                selected_index = user_count - 1;
                        }
                        break;
                case VIEW_USER:
                        clearscr();
                        if (online_user)
                        {
                                prints("已选中用户 [%s] 会话 %d", online_users[selected_index].user_info.username, online_users[selected_index].id);

                                // USER_ONLINE_INFO users[5];
                                // int user_cnt = 5;
                                // ret = query_user_online_info_by_uid(online_users[selected_index].user_info.uid, users, &user_cnt, 0);
                                // if (ret <= 0)
                                // {
                                //      log_error("query_user_online_info_by_uid(uid=%d, cnt=%d) error: %d\n",
                                //                        online_users[selected_index].user_info.uid, user_cnt, ret);
                                // }
                                // else
                                // {
                                //      for (int i = 0; i < user_cnt; i++)
                                //      {
                                //              moveto(2 + i, 1);
                                //              prints("会话%d", users[i].id);
                                //      }
                                // }
                        }
                        else
                        {
                                prints("已选中用户 [%s]", users[selected_index].username);
                        }
                        press_any_key();
                        user_list_draw_screen(online_user);
                        break;
                case SHOW_HELP:
                        // Display help information
                        display_file(DATA_READ_HELP, 1);
                        user_list_draw_screen(online_user);
                        break;
                default:
                        log_error("Unknown command %d\n", ret);
                }
        }

        return 0;
}
1	sysadm	1.1	/***************************************************************************
2			user_list_display.c - description
3			-------------------
4			Copyright : (C) 2004-2025 by Leaflet
5			Email : leaflet@leafok.com
6			***************************************************************************/
7
8			/***************************************************************************
9			* *
10			* This program is free software; you can redistribute it and/or modify *
11			* it under the terms of the GNU General Public License as published by *
12			* the Free Software Foundation; either version 3 of the License, or *
13			* (at your option) any later version. *
14			* *
15			***************************************************************************/
16
17			#include "common.h"
18			#include "io.h"
19			#include "log.h"
20			#include "login.h"
21			#include "screen.h"
22			#include "str_process.h"
23			#include "user_list.h"
24			#include "user_priv.h"
25			#include "user_list_display.h"
26			#include <string.h>
27			#include <time.h>
28			#include <sys/param.h>
29
30			enum select_cmd_t
31			{
32			EXIT_LIST = 0,
33			VIEW_USER,
34			CHANGE_PAGE,
35	sysadm	1.4	REFRESH_LIST,
36	sysadm	1.1	SHOW_HELP,
37			};
38
39	sysadm	1.3	static int user_list_draw_screen(int online_user)
40	sysadm	1.1	{
41			clearscr();
42	sysadm	1.5	show_top((online_user ? "[线上使用者]" : "[已注册用户]"), BBS_name, "");
43	sysadm	1.1	moveto(2, 0);
44			prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
45			"查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m");
46			moveto(3, 0);
47	sysadm	1.3
48			if (online_user)
49			{
50			prints("\033[44;37m \033[1;37m 编号用户名昵称在线时长空闲最后活动 \033[m");
51			}
52			else
53			{
54			prints("\033[44;37m \033[1;37m 编号用户名昵称上次登陆距今 \033[m");
55			}
56	sysadm	1.1
57			return 0;
58			}
59
60	sysadm	1.3	static int user_list_draw_items(int page_id, USER_INFO *p_users, int user_count)
61	sysadm	1.1	{
62	sysadm	1.3	char str_time_login[LINE_BUFFER_LEN];
63	sysadm	1.1	time_t tm_now;
64			time_t tm_duration;
65			struct tm *p_tm;
66			int i;
67
68			clrline(4, 23);
69
70			time(&tm_now);
71
72			for (i = 0; i < user_count; i++)
73			{
74			tm_duration = tm_now - p_users[i].last_login_dt;
75			p_tm = gmtime(&tm_duration);
76	sysadm	1.3	if (p_tm == NULL)
77	sysadm	1.1	{
78	sysadm	1.3	log_error("Invalid time duration\n");
79			str_time_login[0] = '\0';
80			}
81			else if (p_tm->tm_year > 70)
82			{
83			snprintf(str_time_login, sizeof(str_time_login),
84	sysadm	1.1	"%d年", p_tm->tm_year - 70);
85			}
86	sysadm	1.3	else if (p_tm->tm_yday > 0)
87	sysadm	1.1	{
88	sysadm	1.3	snprintf(str_time_login, sizeof(str_time_login),
89	sysadm	1.1	"%d天", p_tm->tm_yday);
90			}
91			else if (p_tm->tm_hour > 0)
92			{
93	sysadm	1.3	snprintf(str_time_login, sizeof(str_time_login),
94	sysadm	1.1	"%d时%d分", p_tm->tm_hour, p_tm->tm_min);
95			}
96			else
97			{
98	sysadm	1.3	snprintf(str_time_login, sizeof(str_time_login),
99	sysadm	1.1	"%d分%d秒", p_tm->tm_min, p_tm->tm_sec);
100			}
101
102			moveto(4 + i, 1);
103
104	sysadm	1.3	prints(" %6d %s%s %s%s %s",
105	sysadm	1.4	p_users[i].id + 1,
106	sysadm	1.1	p_users[i].username,
107			BBS_username_max_len - str_length(p_users[i].username, 1),
108			"",
109			p_users[i].nickname,
110			BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
111			"",
112	sysadm	1.3	str_time_login);
113			}
114
115			return 0;
116			}
117
118			static int user_online_list_draw_items(int page_id, USER_ONLINE_INFO *p_users, int user_count)
119			{
120			char str_time_login[LINE_BUFFER_LEN];
121			char str_time_idle[LINE_BUFFER_LEN];
122			const char *p_action_title;
123			time_t tm_now;
124			time_t tm_duration;
125			struct tm *p_tm;
126			int i;
127
128			clrline(4, 23);
129
130			time(&tm_now);
131
132			for (i = 0; i < user_count; i++)
133			{
134			tm_duration = tm_now - p_users[i].login_tm;
135			p_tm = gmtime(&tm_duration);
136			if (p_tm == NULL)
137			{
138			log_error("Invalid time duration\n");
139			str_time_login[0] = '\0';
140			}
141			else if (p_tm->tm_yday > 0)
142			{
143			snprintf(str_time_login, sizeof(str_time_login),
144			"%d天%d时", p_tm->tm_yday, p_tm->tm_hour);
145			}
146			else if (p_tm->tm_hour > 0)
147			{
148			snprintf(str_time_login, sizeof(str_time_login),
149			"%d时%d分", p_tm->tm_hour, p_tm->tm_min);
150			}
151			else
152			{
153			snprintf(str_time_login, sizeof(str_time_login),
154			"%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
155			}
156
157			tm_duration = tm_now - p_users[i].last_tm;
158			p_tm = gmtime(&tm_duration);
159			if (p_tm == NULL)
160			{
161			log_error("Invalid time duration\n");
162			str_time_idle[0] = '\0';
163			}
164			else if (p_tm->tm_min > 0)
165			{
166			snprintf(str_time_idle, sizeof(str_time_idle),
167			"%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
168			}
169			else
170			{
171			snprintf(str_time_idle, sizeof(str_time_idle),
172			"%d\"", p_tm->tm_sec);
173			}
174
175			p_action_title = (p_users[i].current_action_title != NULL
176			? p_users[i].current_action_title
177			: p_users[i].current_action);
178
179			moveto(4 + i, 1);
180
181			prints(" %6d %s%s %s%s %s%s %s%s %s",
182	sysadm	1.4	p_users[i].id + 1,
183	sysadm	1.3	p_users[i].user_info.username,
184			BBS_username_max_len - str_length(p_users[i].user_info.username, 1),
185			"",
186			p_users[i].user_info.nickname,
187			BBS_nickname_max_len / 2 - str_length(p_users[i].user_info.nickname, 1),
188			"",
189			str_time_login,
190			8 - str_length(str_time_login, 1),
191			"",
192			str_time_idle,
193			6 - str_length(str_time_idle, 1),
194			"",
195			p_action_title);
196	sysadm	1.1	}
197
198			return 0;
199			}
200
201			static enum select_cmd_t user_list_select(int total_page, int item_count, int p_page_id, int p_selected_index)
202			{
203			int old_page_id = *p_page_id;
204			int old_selected_index = *p_selected_index;
205			int ch;
206
207			if (item_count > 0 && *p_selected_index >= 0)
208			{
209			moveto(4 + *p_selected_index, 1);
210			outc('>');
211			iflush();
212			}
213
214			while (!SYS_server_exit)
215			{
216			ch = igetch(100);
217
218			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
219			{
220			BBS_last_access_tm = time(NULL);
221			}
222
223			switch (ch)
224			{
225			case KEY_NULL: // broken pipe
226			log_error("KEY_NULL\n");
227			case KEY_ESC:
228			case KEY_LEFT:
229			return EXIT_LIST; // exit list
230			case KEY_TIMEOUT:
231			if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
232			{
233			log_error("User input timeout\n");
234			return EXIT_LIST; // exit list
235			}
236			continue;
237			case CR:
238			case KEY_RIGHT:
239			if (item_count > 0)
240			{
241			return VIEW_USER;
242			}
243			break;
244			case KEY_HOME:
245			*p_page_id = 0;
246			case 'P':
247			case KEY_PGUP:
248			*p_selected_index = 0;
249			case 'k':
250			case KEY_UP:
251			if (*p_selected_index <= 0)
252			{
253			if (*p_page_id > 0)
254			{
255			(*p_page_id)--;
256			*p_selected_index = BBS_user_limit_per_page - 1;
257			}
258			else if (ch == KEY_UP \|\| ch == 'k') // Rotate to the tail of list
259			{
260			if (total_page > 0)
261			{
262			*p_page_id = total_page - 1;
263			}
264			if (item_count > 0)
265			{
266			*p_selected_index = item_count - 1;
267			}
268			}
269			}
270			else
271			{
272			(*p_selected_index)--;
273			}
274			break;
275			case '$':
276			case KEY_END:
277			if (total_page > 0)
278			{
279			*p_page_id = total_page - 1;
280			}
281			case 'N':
282			case KEY_PGDN:
283			if (item_count > 0)
284			{
285			*p_selected_index = item_count - 1;
286			}
287			case 'j':
288			case KEY_DOWN:
289			if (*p_selected_index + 1 >= item_count) // next page
290			{
291			if (*p_page_id + 1 < total_page)
292			{
293			(*p_page_id)++;
294			*p_selected_index = 0;
295			}
296			else if (ch == KEY_DOWN \|\| ch == 'j') // Rotate to the head of list
297			{
298			*p_page_id = 0;
299			*p_selected_index = 0;
300			}
301			}
302			else
303			{
304			(*p_selected_index)++;
305			}
306			break;
307	sysadm	1.4	case KEY_F5:
308			return REFRESH_LIST;
309	sysadm	1.1	case 'h':
310			return SHOW_HELP;
311			default:
312			break;
313			}
314
315			if (old_page_id != *p_page_id)
316			{
317			return CHANGE_PAGE;
318			}
319
320			if (item_count > 0 && old_selected_index != *p_selected_index)
321			{
322			if (old_selected_index >= 0)
323			{
324			moveto(4 + old_selected_index, 1);
325			outc(' ');
326			}
327			if (*p_selected_index >= 0)
328			{
329			moveto(4 + *p_selected_index, 1);
330			outc('>');
331			}
332			iflush();
333
334			old_selected_index = *p_selected_index;
335			}
336			}
337
338			return EXIT_LIST;
339			}
340
341	sysadm	1.3	int user_list_display(int online_user)
342	sysadm	1.1	{
343			char page_info_str[LINE_BUFFER_LEN];
344			USER_INFO users[BBS_user_limit_per_page];
345	sysadm	1.3	USER_ONLINE_INFO online_users[BBS_user_limit_per_page];
346	sysadm	1.7	int user_count = 0;
347			int page_count = 0;
348	sysadm	1.1	int page_id = 0;
349			int selected_index = 0;
350	sysadm	1.7	int ret = 0;
351	sysadm	1.1
352	sysadm	1.3	user_list_draw_screen(online_user);
353	sysadm	1.1
354	sysadm	1.3	if (online_user)
355			{
356			ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
357			if (ret < 0)
358			{
359			log_error("query_user_online_list(page_id=%d) error\n", page_id);
360			return -2;
361			}
362			}
363			else
364	sysadm	1.1	{
365	sysadm	1.3	ret = query_user_list(page_id, users, &user_count, &page_count);
366			if (ret < 0)
367			{
368			log_error("query_user_list(page_id=%d) error\n", page_id);
369			return -2;
370			}
371	sysadm	1.1	}
372
373			if (user_count == 0) // empty list
374			{
375			selected_index = 0;
376			}
377
378			while (!SYS_server_exit)
379			{
380	sysadm	1.3	if (online_user)
381			{
382			ret = user_online_list_draw_items(page_id, online_users, user_count);
383			if (ret < 0)
384			{
385			log_error("user_online_list_draw_items(page_id=%d) error\n", page_id);
386			return -3;
387			}
388			}
389			else
390	sysadm	1.1	{
391	sysadm	1.3	ret = user_list_draw_items(page_id, users, user_count);
392			if (ret < 0)
393			{
394			log_error("user_list_draw_items(page_id=%d) error\n", page_id);
395			return -3;
396			}
397	sysadm	1.1	}
398
399			snprintf(page_info_str, sizeof(page_info_str),
400			"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
401			page_id + 1, MAX(page_count, 1));
402
403			show_bottom(page_info_str);
404			iflush();
405
406	sysadm	1.3	if (user_online_update(online_user ? "USER_ONLINE" : "USER_LIST") < 0)
407	sysadm	1.1	{
408	sysadm	1.3	log_error("user_online_update(%s) error\n",
409			(online_user ? "USER_ONLINE" : "USER_LIST"));
410	sysadm	1.1	}
411
412			ret = user_list_select(page_count, user_count, &page_id, &selected_index);
413			switch (ret)
414			{
415			case EXIT_LIST:
416			return 0;
417	sysadm	1.4	case REFRESH_LIST:
418	sysadm	1.1	case CHANGE_PAGE:
419	sysadm	1.4	if (online_user)
420			{
421			ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
422			if (ret < 0)
423			{
424			log_error("query_user_online_list(page_id=%d) error\n", page_id);
425			return -2;
426			}
427			}
428			else
429	sysadm	1.1	{
430	sysadm	1.4	ret = query_user_list(page_id, users, &user_count, &page_count);
431			if (ret < 0)
432			{
433			log_error("query_user_list(page_id=%d) error\n", page_id);
434			return -2;
435			}
436	sysadm	1.1	}
437
438			if (user_count == 0) // empty list
439			{
440			selected_index = 0;
441			}
442			else if (selected_index >= user_count)
443			{
444			selected_index = user_count - 1;
445			}
446			break;
447			case VIEW_USER:
448	sysadm	1.3	clearscr();
449	sysadm	1.6	if (online_user)
450			{
451	sysadm	1.7	prints("已选中用户 [%s] 会话 %d", online_users[selected_index].user_info.username, online_users[selected_index].id);
452
453			// USER_ONLINE_INFO users[5];
454			// int user_cnt = 5;
455			// ret = query_user_online_info_by_uid(online_users[selected_index].user_info.uid, users, &user_cnt, 0);
456			// if (ret <= 0)
457			// {
458			// log_error("query_user_online_info_by_uid(uid=%d, cnt=%d) error: %d\n",
459			// online_users[selected_index].user_info.uid, user_cnt, ret);
460			// }
461			// else
462			// {
463			// for (int i = 0; i < user_cnt; i++)
464			// {
465			// moveto(2 + i, 1);
466			// prints("会话%d", users[i].id);
467			// }
468			// }
469	sysadm	1.6	}
470			else
471			{
472			prints("已选中用户 [%s]", users[selected_index].username);
473			}
474	sysadm	1.4	press_any_key();
475	sysadm	1.3	user_list_draw_screen(online_user);
476	sysadm	1.1	break;
477			case SHOW_HELP:
478			// Display help information
479			display_file(DATA_READ_HELP, 1);
480	sysadm	1.3	user_list_draw_screen(online_user);
481	sysadm	1.1	break;
482			default:
483			log_error("Unknown command %d\n", ret);
484			}
485			}
486
487			return 0;
488			}
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