/*
* collectd - src/apcups.c
+ * Copyright (C) 2007 Florian octo Forster
* Copyright (C) 2006 Anthony Gialluca <tonyabg at charter.net>
* Copyright (C) 2000-2004 Kern Sibbald
* Copyright (C) 1996-99 Andre M. Hedrick <andre at suse.com>
*
+ *
* 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.
#include "common.h" /* rrd_update_file */
#include "plugin.h" /* plugin_register, plugin_submit */
#include "configfile.h" /* cf_register */
-#include "utils_debug.h"
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
# include <netinet/in.h>
#endif
-#ifndef APCMAIN
-# define APCMAIN 0
-#endif
-
#define NISPORT 3551
#define MAXSTRING 256
#define MODULE_NAME "apcups"
#define APCUPS_DEFAULT_HOST "localhost"
-/* Default values for contacting daemon */
-static char *global_host = NULL;
-static int global_port = NISPORT;
-
-/*
- * The following are only if not compiled to test the module with its own main.
-*/
-#if !APCMAIN
-static char *bvolt_file_template = "apcups/voltage-%s.rrd";
-static char *bvolt_ds_def[] =
-{
- "DS:voltage:GAUGE:"COLLECTD_HEARTBEAT":0:U",
-};
-static int bvolt_ds_num = 1;
-
-static char *load_file_template = "apcups/load_percent.rrd";
-static char *load_ds_def[] =
-{
- "DS:percent:GAUGE:"COLLECTD_HEARTBEAT":0:110",
-};
-static int load_ds_num = 1;
-
-static char *charge_file_template = "apcups/charge_percent.rrd";
-static char *charge_ds_def[] =
-{
- "DS:percent:GAUGE:"COLLECTD_HEARTBEAT":0:110",
-};
-static int charge_ds_num = 1;
-
-static char *time_file_template = "apcups/timeleft.rrd";
-static char *time_ds_def[] =
-{
- "DS:timeleft:GAUGE:"COLLECTD_HEARTBEAT":0:100",
-};
-static int time_ds_num = 1;
-
-static char *temp_file_template = "apcups/temperature.rrd";
-static char *temp_ds_def[] =
-{
- /* -273.15 is absolute zero */
- "DS:value:GAUGE:"COLLECTD_HEARTBEAT":-274:U",
-};
-static int temp_ds_num = 1;
-
-static char *freq_file_template = "apcups/frequency-%s.rrd";
-static char *freq_ds_def[] =
-{
- "DS:frequency:GAUGE:"COLLECTD_HEARTBEAT":0:U",
-};
-static int freq_ds_num = 1;
-
-static char *config_keys[] =
-{
- "Host",
- "Port",
- NULL
-};
-static int config_keys_num = 2;
-
-#endif /* if APCMAIN */
-
+/*
+ * Private data types
+ */
struct apc_detail_s
{
double linev;
double linefreq;
};
-#define BIG_BUF 4096
+/*
+ * Private variables
+ */
+/* Default values for contacting daemon */
+static char *conf_host = NULL;
+static int conf_port = NISPORT;
+
+static int global_sockfd = -1;
+
+static const char *config_keys[] =
+{
+ "Host",
+ "Port",
+ NULL
+};
+static int config_keys_num = 2;
-#if APCMAIN
/* Close the network connection */
-static void net_close (int *fd)
+static int apcups_shutdown (void)
{
uint16_t packet_size = 0;
- assert (*fd >= 0);
+ if (global_sockfd < 0)
+ return (0);
- DBG ("Gracefully shutting down socket %i.", *fd);
+ DEBUG ("Gracefully shutting down socket %i.", global_sockfd);
/* send EOF sentinel */
- swrite (*fd, (void *) &packet_size, sizeof (packet_size));
+ swrite (global_sockfd, (void *) &packet_size, sizeof (packet_size));
- close (*fd);
- *fd = -1;
-}
-#endif /* APCMAIN */
+ close (global_sockfd);
+ global_sockfd = -1;
+
+ return (0);
+} /* int apcups_shutdown */
/*
* Open a TCP connection to the UPS network server
status = getaddrinfo (host, port_str, &ai_hints, &ai_return);
if (status != 0)
{
- DBG ("getaddrinfo failed: %s", status == EAI_SYSTEM ? strerror (errno) : gai_strerror (status));
+ char errbuf[1024];
+ DEBUG ("getaddrinfo failed: %s",
+ (status == EAI_SYSTEM)
+ ? sstrerror (errno, errbuf, sizeof (errbuf))
+ : gai_strerror (status));
return (-1);
}
if (sd < 0)
{
- DBG ("Unable to open a socket");
+ DEBUG ("Unable to open a socket");
freeaddrinfo (ai_return);
return (-1);
}
if (status != 0) /* `connect(2)' failed */
{
- DBG ("connect failed: %s", strerror (errno));
+ char errbuf[1024];
+ DEBUG ("connect failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ close (sd);
return (-1);
}
- DBG ("Done opening a socket %i", sd);
+ DEBUG ("Done opening a socket %i", sd);
return (sd);
} /* int net_open (char *host, char *service, int port) */
packet_size = ntohs (packet_size);
if (packet_size > buflen)
{
- DBG ("record length too large");
+ DEBUG ("record length too large");
return (-2);
}
int n;
char recvline[1024];
char *tokptr;
+ char *toksaveptr;
char *key;
double value;
- static int sockfd = -1;
- static unsigned int complain = 0;
+ static complain_t compl;
#if APCMAIN
# define PRINT_VALUE(name, val) printf(" Found property: name = %s; value = %f;\n", name, val)
# define PRINT_VALUE(name, val) /**/
#endif
- if (sockfd < 0)
+ if (global_sockfd < 0)
{
- if ((sockfd = net_open (host, NULL, port)) < 0)
+ if ((global_sockfd = net_open (host, NULL, port)) < 0)
{
- /* Complain once every six hours. */
- int complain_step = 21600 / atoi (COLLECTD_STEP);
-
- if ((complain % complain_step) == 0)
- syslog (LOG_ERR, "apcups plugin: Connecting to the apcupsd failed.");
- complain++;
-
+ plugin_complain (LOG_ERR, &compl, "apcups plugin: "
+ "Connecting to the apcupsd failed.");
return (-1);
}
- else if (complain > 1)
+ else
{
- syslog (LOG_NOTICE, "apcups plugin: Connection re-established to the apcupsd.");
- complain = 0;
+ plugin_relief (LOG_NOTICE, &compl, "apcups plugin: "
+ "Connection re-established to the apcupsd.");
}
}
- if (net_send (&sockfd, "status", 6) < 0)
+ if (net_send (&global_sockfd, "status", 6) < 0)
{
- syslog (LOG_ERR, "apcups plugin: Writing to the socket failed.");
+ ERROR ("apcups plugin: Writing to the socket failed.");
return (-1);
}
- while ((n = net_recv (&sockfd, recvline, sizeof (recvline) - 1)) > 0)
+ while ((n = net_recv (&global_sockfd, recvline, sizeof (recvline) - 1)) > 0)
{
assert (n < sizeof (recvline));
recvline[n] = '\0';
printf ("net_recv = `%s';\n", recvline);
#endif /* if APCMAIN */
- tokptr = strtok (recvline, " :\t");
+ toksaveptr = NULL;
+ tokptr = strtok_r (recvline, " :\t", &toksaveptr);
while (tokptr != NULL)
{
key = tokptr;
- if ((tokptr = strtok (NULL, " :\t")) == NULL)
+ if ((tokptr = strtok_r (NULL, " :\t", &toksaveptr)) == NULL)
continue;
value = atof (tokptr);
else if (strcmp ("TIMELEFT", key) == 0)
apcups_detail->timeleft = value;
- tokptr = strtok (NULL, ":");
+ tokptr = strtok_r (NULL, ":", &toksaveptr);
} /* while (tokptr != NULL) */
}
if (n < 0)
{
- syslog (LOG_WARNING, "apcups plugin: Error reading from socket");
+ WARNING ("apcups plugin: Error reading from socket");
return (-1);
}
-#if APCMAIN
- else
- {
- /* close the opened socket */
- net_close (&sockfd);
- }
-#endif /* APCMAIN */
return (0);
}
-#if APCMAIN
-/*
- * This is used for testing apcups in a standalone mode.
- * Usefull for debugging.
- */
-int main (int argc, char **argv)
-{
- /* we are not really going to use this */
- struct apc_detail_s apcups_detail;
-
- openlog ("apcups", LOG_PID | LOG_NDELAY | LOG_LOCAL1, LOG_USER);
-
- if (global_host == NULL || strcmp (global_host, "0.0.0.0") == 0)
- global_host = "localhost";
-
- if(apc_query_server (global_host, global_port, &apcups_detail) < 0)
- {
- printf("apcups: Failed...\n");
- return(-1);
- }
-
- return 0;
-}
-#else
-static int apcups_config (char *key, char *value)
+static int apcups_config (const char *key, const char *value)
{
if (strcasecmp (key, "host") == 0)
{
- if (global_host != NULL)
+ if (conf_host != NULL)
{
- free (global_host);
- global_host = NULL;
+ free (conf_host);
+ conf_host = NULL;
}
- if ((global_host = strdup (value)) == NULL)
+ if ((conf_host = strdup (value)) == NULL)
return (1);
}
else if (strcasecmp (key, "Port") == 0)
int port_tmp = atoi (value);
if (port_tmp < 1 || port_tmp > 65535)
{
- syslog (LOG_WARNING, "apcups plugin: Invalid port: %i", port_tmp);
+ WARNING ("apcups plugin: Invalid port: %i", port_tmp);
return (1);
}
- global_port = port_tmp;
+ conf_port = port_tmp;
}
else
{
return (0);
}
-static void apcups_init (void)
-{
- return;
-}
-
-static void apc_write_voltage (char *host, char *inst, char *val)
-{
- char file[512];
- int status;
-
- status = snprintf (file, 512, bvolt_file_template, inst);
- if ((status < 1) || (status >= 512))
- return;
-
- rrd_update_file (host, file, val, bvolt_ds_def, bvolt_ds_num);
-}
-
-static void apc_write_charge (char *host, char *inst, char *val)
+static void apc_submit_generic (char *type, char *type_inst, double value)
{
- rrd_update_file (host, charge_file_template, val, charge_ds_def, charge_ds_num);
-}
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
-static void apc_write_percent (char *host, char *inst, char *val)
-{
- rrd_update_file (host, load_file_template, val, load_ds_def, load_ds_num);
-}
+ values[0].gauge = value;
-static void apc_write_timeleft (char *host, char *inst, char *val)
-{
- rrd_update_file (host, time_file_template, val, time_ds_def, time_ds_num);
-}
+ vl.values = values;
+ vl.values_len = 1;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname_g);
+ strcpy (vl.plugin, "apcups");
+ strcpy (vl.plugin_instance, "");
+ strncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
-static void apc_write_temperature (char *host, char *inst, char *val)
-{
- rrd_update_file (host, temp_file_template, val, temp_ds_def, temp_ds_num);
-}
-
-static void apc_write_frequency (char *host, char *inst, char *val)
-{
- char file[512];
- int status;
-
- status = snprintf (file, 512, freq_file_template, inst);
- if ((status < 1) || (status >= 512))
- return;
-
- rrd_update_file (host, file, val, freq_ds_def, freq_ds_num);
-}
-
-static void apc_submit_generic (char *type, char *inst,
- double value)
-{
- char buf[512];
- int status;
-
- status = snprintf (buf, 512, "%u:%f",
- (unsigned int) curtime, value);
- if ((status < 1) || (status >= 512))
- return;
-
- DBG ("plugin_submit (%s, %s, %s);", type, inst, buf);
- plugin_submit (type, inst, buf);
+ plugin_dispatch_values (type, &vl);
}
static void apc_submit (struct apc_detail_s *apcups_detail)
{
- apc_submit_generic ("apcups_voltage", "input", apcups_detail->linev);
- apc_submit_generic ("apcups_voltage", "output", apcups_detail->outputv);
- apc_submit_generic ("apcups_voltage", "battery", apcups_detail->battv);
- apc_submit_generic ("apcups_charge", "-", apcups_detail->bcharge);
- apc_submit_generic ("apcups_charge_pct", "-", apcups_detail->loadpct);
- apc_submit_generic ("apcups_timeleft", "-", apcups_detail->timeleft);
- apc_submit_generic ("apcups_temp", "-", apcups_detail->itemp);
- apc_submit_generic ("apcups_frequency", "input", apcups_detail->linefreq);
+ apc_submit_generic ("voltage", "input", apcups_detail->linev);
+ apc_submit_generic ("voltage", "output", apcups_detail->outputv);
+ apc_submit_generic ("voltage", "battery", apcups_detail->battv);
+ apc_submit_generic ("charge", "", apcups_detail->bcharge);
+ apc_submit_generic ("percent", "charge", apcups_detail->loadpct);
+ apc_submit_generic ("timeleft", "", apcups_detail->timeleft);
+ apc_submit_generic ("temperature", "", apcups_detail->itemp);
+ apc_submit_generic ("frequency", "input", apcups_detail->linefreq);
}
-static void apcups_read (void)
+static int apcups_read (void)
{
struct apc_detail_s apcups_detail;
int status;
apcups_detail.itemp = -300.0;
apcups_detail.linefreq = -1.0;
- status = apc_query_server (global_host == NULL
+ status = apc_query_server (conf_host == NULL
? APCUPS_DEFAULT_HOST
- : global_host,
- global_port, &apcups_detail);
+ : conf_host,
+ conf_port, &apcups_detail);
/*
* if we did not connect then do not bother submitting
*/
if (status != 0)
{
- DBG ("apc_query_server (%s, %i) = %i",
- global_host == NULL
+ DEBUG ("apc_query_server (%s, %i) = %i",
+ conf_host == NULL
? APCUPS_DEFAULT_HOST
- : global_host,
- global_port, status);
- return;
+ : conf_host,
+ conf_port, status);
+ return (-1);
}
apc_submit (&apcups_detail);
+
+ return (0);
} /* apcups_read */
void module_register (void)
{
- plugin_register (MODULE_NAME, apcups_init, apcups_read, NULL);
- plugin_register ("apcups_voltage", NULL, NULL, apc_write_voltage);
- plugin_register ("apcups_charge", NULL, NULL, apc_write_charge);
- plugin_register ("apcups_charge_pct", NULL, NULL, apc_write_percent);
- plugin_register ("apcups_timeleft", NULL, NULL, apc_write_timeleft);
- plugin_register ("apcups_temp", NULL, NULL, apc_write_temperature);
- plugin_register ("apcups_frequency", NULL, NULL, apc_write_frequency);
- cf_register (MODULE_NAME, apcups_config, config_keys, config_keys_num);
-}
-
-#endif /* if APCMAIN */
-#undef MODULE_NAME
+ plugin_register_config ("apcups", apcups_config, config_keys,
+ config_keys_num);
+ plugin_register_read ("apcups", apcups_read);
+ plugin_register_shutdown ("apcups", apcups_shutdown);
+} /* void module_register */
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