102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mcollectd.h"
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#include <mjson.h>
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#define MODULE_NAME "df"
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static struct {
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int report_to_percentage;
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int report_to_absolute;
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struct {
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char *sellect_or_ignore;
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char *device;
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char *mountpoint;
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char *fstype;
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}match;
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}module;
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static int module_scan_json(const char *collectd_path)
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{
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int len = 10 * strlen(collectd_path), ret = -1;
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char *buf = malloc(len);
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if (buf == NULL) {
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ERROR("%s: malloc failed\n", MODULE_NAME);
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goto out;
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}
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// report_to_absolute
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snprintf(buf, len, "%s/%s/%s", collectd_path, MODULE_NAME,
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SYSKEY_GLOBAL_INFO_COLLECTD_REPORT_TO_ABSOLUTE);
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module.report_to_absolute = mjson_fetch_boolean(buf);
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// report_to_percentage
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snprintf(buf, len, "%s/%s/%s", collectd_path, MODULE_NAME,
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SYSKEY_GLOBAL_INFO_COLLECTD_REPORT_TO_PERCENTAGE);
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module.report_to_percentage = mjson_fetch_boolean(buf);
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// match-sellect_or_ignore
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snprintf(buf, len, "%s/%s/match/%s", collectd_path, MODULE_NAME,
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SYSKEY_GLOBAL_INFO_COLLECTD_MATCH_SELLECT_OR_IGNORE);
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module.match.sellect_or_ignore = mjson_fetch_string(buf);
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// match-device
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snprintf(buf, len, "%s/%s/match/%s", collectd_path, MODULE_NAME,
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SYSKEY_GLOBAL_INFO_COLLECTD_DF_MATCH_DEVICE);
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module.match.device = mjson_fetch_string(buf);
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// match-mountpoint
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snprintf(buf, len, "%s/%s/match/%s", collectd_path, MODULE_NAME,
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SYSKEY_GLOBAL_INFO_COLLECTD_DF_MATCH_MOUNTPOINT);
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module.match.mountpoint = mjson_fetch_string(buf);
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// match-fstype
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snprintf(buf, len, "%s/%s/match/%s", collectd_path, MODULE_NAME,
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SYSKEY_GLOBAL_INFO_COLLECTD_DF_MATCH_FSTYPE);
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module.match.fstype = mjson_fetch_string(buf);
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ret = 0;
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out:
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free(buf);
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return ret;
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}
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int module_make_conf(const char *collectd_path, FILE *fp)
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{
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DEBUG(BASE, "make config for collectd_%s\n", MODULE_NAME);
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if (module_scan_json(collectd_path) < 0) {
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ERROR("%s: scan json failed\n", MODULE_NAME);
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return -1;
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}
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fprintf(fp, "LoadPlugin %s\n", MODULE_NAME);
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fprintf(fp, "<Plugin %s>\n", MODULE_NAME);
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fprintf(fp, "\tValuesPercentage %s\n",
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module.report_to_percentage == true ? "true" : "false");
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fprintf(fp, "\tValuesAbsolute %s\n",
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module.report_to_absolute == true ? "true" : "false");
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if (module.match.sellect_or_ignore != NULL)
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fprintf(fp, "\tIgnoreSelected %s\n",
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strcmp(module.match.sellect_or_ignore, "sellect") != 0 ?
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"true" : "false");
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if (module.match.device != NULL &&
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strcmp(module.match.device, SYSKEY_GLOBAL_INFO_COLLECTD_MATCH_ALL))
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fprintf(fp, "\tDevice %s\n", module.match.device);
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if (module.match.device != NULL &&
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strcmp(module.match.mountpoint, SYSKEY_GLOBAL_INFO_COLLECTD_MATCH_ALL))
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fprintf(fp, "\tMountPoint %s\n", module.match.mountpoint);
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if (module.match.device != NULL &&
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strcmp(module.match.fstype, SYSKEY_GLOBAL_INFO_COLLECTD_MATCH_ALL))
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fprintf(fp, "\tFSType %s\n", module.match.fstype);
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fprintf(fp, "</Plugin>\n");
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return 0;
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}
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void module_init(void)
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{
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mcollectd_register(module_make_conf);
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}
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