summaryrefslogtreecommitdiffstats
path: root/ksysguard/ksysguardd/NetBSD/logfile.c
blob: 3b07ad8aca7cfbc952c38377b756b8ca97566351 (plain)
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
/*
    KSysGuard, the KDE System Guard
   
	Copyright (c) 2001 Tobias Koenig <tokoe@kde.org>
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of version 2 of the GNU General Public
    License as published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

*/

#include <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "Command.h"
#include "ccont.h"
#include "conf.h"
#include "ksysguardd.h"
#include "logfile.h"

static CONTAINER LogFiles = 0;
static unsigned long counter = 1;

typedef struct {
	char name[256];
	FILE* fh;
	unsigned long id;
} LogFileEntry;

extern CONTAINER LogFileList;

/*
================================ public part =================================
*/

void initLogFile(struct SensorModul* sm)
{
	char monitor[1024];
	ConfigLogFile *entry;

	registerCommand("logfile_register", registerLogFile);
	registerCommand("logfile_unregister", unregisterLogFile);
	registerCommand("logfile_registered", printRegistered);

	for (entry = first_ctnr(LogFileList); entry; entry = next_ctnr(LogFileList))
	{
		FILE* fp;

		/* register the log file if we can actually read the file. */
		if ((fp = fopen(entry->path, "r")) != NULL)
		{
			fclose(fp);
			snprintf(monitor, 1024, "logfiles/%s", entry->name);
			registerMonitor(monitor, "logfile", printLogFile,
							printLogFileInfo, sm);
		}
	}

	LogFiles = new_ctnr();
}

void exitLogFile(void)
{
	destr_ctnr(LogFiles, free);
}

void printLogFile(const char* cmd)
{
	char line[1024];
	unsigned long id;
	int i;
	char ch;
	LogFileEntry *entry;

	sscanf(cmd, "%*s %lu", &id);

	for (entry = first_ctnr(LogFiles); entry; entry = next_ctnr(LogFiles)) {
		if (entry->id == id) {
			while (fgets(line, sizeof(line), entry->fh) != NULL) {
				fprintf(CurrentClient, "%s", line);
			}
			clearerr(entry->fh);
		}
	}

	fprintf(CurrentClient, "\n");
}

void printLogFileInfo(const char* cmd)
{
	fprintf(CurrentClient, "LogFile\n");
}

void registerLogFile(const char* cmd)
{
	char name[257];
	FILE* file;
	LogFileEntry *entry;
	ConfigLogFile *conf;

	memset(name, 0, sizeof(name));
	sscanf(cmd, "%*s %256s", name);
	
	for (conf = first_ctnr(LogFileList); conf; conf = next_ctnr(LogFileList)) {
		if (!strcmp(conf->name, name)) {
			if ((file = fopen(conf->path, "r")) == NULL) {
				print_error("fopen()");
				fprintf(CurrentClient, "0\n");
				return;
			}

			fseek(file, 0, SEEK_END);

			if ((entry = (LogFileEntry *)malloc(sizeof(LogFileEntry))) == NULL) {
				print_error("malloc()");
				fprintf(CurrentClient, "0\n");
				return;
			}

			entry->fh = file;
			strlcpy(entry->name, conf->name, sizeof(entry->name));
			entry->id = counter;

			push_ctnr(LogFiles, entry);	

			fprintf(CurrentClient, "%lu\n", counter);
			counter++;

			return;
		}
	}

	fprintf(CurrentClient, "0\n");
}

void unregisterLogFile(const char* cmd)
{
	unsigned long id;
	LogFileEntry *entry;

	sscanf(cmd, "%*s %lu", &id);
	
	for (entry = first_ctnr(LogFiles); entry; entry = next_ctnr(LogFiles)) {
		if (entry->id == id) {
			fclose(entry->fh);
			free(remove_ctnr(LogFiles));
			fprintf(CurrentClient, "\n");
			return;
		}
	}

	fprintf(CurrentClient, "\n");
}

void printRegistered(const char* cmd)
{
	LogFileEntry *entry;

	for (entry = first_ctnr(LogFiles); entry; entry = next_ctnr(LogFiles))
		fprintf(CurrentClient, "%s:%lu\n", entry->name, entry->id);

	fprintf(CurrentClient, "\n");
}