/* chrony plugin for collectd (monitoring of chrony time server daemon)
**********************************************************************
- * Copyright (C) Claudius M Zingerli, ZSeng, 2015-2016
+ * Copyright (C) Claudius M Zingerli, ZSeng, 2015-2016
*
* Internals roughly based on the ntpd plugin
* Some functions copied from chronyd/web (as marked)
- *
+ *
* 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.
- *
+ *
* TODO:
* - More robust udp parsing (using offsets instead of structs?)
- * -> Currently chrony parses its data the same way as we do (using structs)
+ * -> Currently chrony parses its data the same way as we do (using
+ *structs)
* - Plausibility checks on values received
* -> Done at higher levels
*/
#include "collectd.h"
-#include "common.h" /* auxiliary functions */
-#include "plugin.h" /* plugin_register_*, plugin_dispatch_values */
+#include "common.h" /* auxiliary functions */
+#include "plugin.h" /* plugin_register_*, plugin_dispatch_values */
#if HAVE_NETDB_H
-# include <netdb.h> /* struct addrinfo */
+#include <netdb.h> /* struct addrinfo */
#endif
#if HAVE_ARPA_INET_H
-# include <arpa/inet.h> /* ntohs/ntohl */
+#include <arpa/inet.h> /* ntohs/ntohl */
#endif
-
-#define CONFIG_KEY_HOST "Host"
-#define CONFIG_KEY_PORT "Port"
+#define CONFIG_KEY_HOST "Host"
+#define CONFIG_KEY_PORT "Port"
#define CONFIG_KEY_TIMEOUT "Timeout"
-#define URAND_DEVICE_PATH "/dev/urandom" /* Used to initialize seq nr generator */
-#define RAND_DEVICE_PATH "/dev/random" /* Used to initialize seq nr generator (fall back) */
-
-static const char *g_config_keys[] = {
- CONFIG_KEY_HOST,
- CONFIG_KEY_PORT,
- CONFIG_KEY_TIMEOUT
-};
-
-static int g_config_keys_num = STATIC_ARRAY_SIZE(g_config_keys);
-static int g_chrony_is_connected;
-static int g_chrony_socket = -1;
-static time_t g_chrony_timeout = -1;
-static char *g_chrony_plugin_instance;
-static char *g_chrony_host;
-static char *g_chrony_port;
-static uint32_t g_chrony_rand = 1;
-static uint32_t g_chrony_seq_is_initialized;
+#define URAND_DEVICE_PATH \
+ "/dev/urandom" /* Used to initialize seq nr generator */
+#define RAND_DEVICE_PATH \
+ "/dev/random" /* Used to initialize seq nr generator (fall back) */
+
+static const char *g_config_keys[] = {CONFIG_KEY_HOST, CONFIG_KEY_PORT,
+ CONFIG_KEY_TIMEOUT};
+
+static int g_config_keys_num = STATIC_ARRAY_SIZE(g_config_keys);
+static int g_chrony_is_connected;
+static int g_chrony_socket = -1;
+static time_t g_chrony_timeout = -1;
+static char *g_chrony_plugin_instance;
+static char *g_chrony_host;
+static char *g_chrony_port;
+static uint32_t g_chrony_rand = 1;
+static uint32_t g_chrony_seq_is_initialized;
#define PLUGIN_NAME_SHORT "chrony"
-#define PLUGIN_NAME PLUGIN_NAME_SHORT " plugin"
-#define DAEMON_NAME PLUGIN_NAME_SHORT
+#define PLUGIN_NAME PLUGIN_NAME_SHORT " plugin"
+#define DAEMON_NAME PLUGIN_NAME_SHORT
#define CHRONY_DEFAULT_HOST "localhost"
#define CHRONY_DEFAULT_PORT "323"
#define CHRONY_DEFAULT_TIMEOUT 2
/* Return codes (collectd expects non-zero on errors) */
-#define CHRONY_RC_OK 0
-#define CHRONY_RC_FAIL 1
+#define CHRONY_RC_OK 0
+#define CHRONY_RC_FAIL 1
/* Chronyd command packet variables adapted from chrony/candm.h (GPL2) */
#define PROTO_VERSION_NUMBER 6
#define IPADDR_UNSPEC 0
-#define IPADDR_INET4 1
-#define IPADDR_INET6 2
-#define IPV6_STR_MAX_SIZE (8*4+7+1)
-
-typedef enum
-{
- PKT_TYPE_CMD_REQUEST = 1,
- PKT_TYPE_CMD_REPLY = 2
-} ePacketType;
-
-typedef enum
-{
- REQ_N_SOURCES = 14,
- REQ_SOURCE_DATA = 15,
- REQ_TRACKING = 33,
+#define IPADDR_INET4 1
+#define IPADDR_INET6 2
+#define IPV6_STR_MAX_SIZE (8 * 4 + 7 + 1)
+
+typedef enum { PKT_TYPE_CMD_REQUEST = 1, PKT_TYPE_CMD_REPLY = 2 } ePacketType;
+
+typedef enum {
+ REQ_N_SOURCES = 14,
+ REQ_SOURCE_DATA = 15,
+ REQ_TRACKING = 33,
REQ_SOURCE_STATS = 34
} eDaemonRequests;
-
-typedef enum
-{
- RPY_NULL = 1,
- RPY_N_SOURCES = 2,
- RPY_SOURCE_DATA = 3,
+typedef enum {
+ RPY_NULL = 1,
+ RPY_N_SOURCES = 2,
+ RPY_SOURCE_DATA = 3,
RPY_MANUAL_TIMESTAMP = 4,
- RPY_TRACKING = 5,
- RPY_SOURCE_STATS = 6,
- RPY_RTC = 7
+ RPY_TRACKING = 5,
+ RPY_SOURCE_STATS = 6,
+ RPY_RTC = 7
} eDaemonReplies;
-
-#if defined(__GNUC__) || defined (__SUNPRO_C) || defined(lint)
-# /* extension to enforce struct packing. */
-# define ATTRIB_PACKED __attribute__((packed))
+#if defined(__GNUC__) || defined(__SUNPRO_C) || defined(lint)
+#/* extension to enforce struct packing. */
+#define ATTRIB_PACKED __attribute__((packed))
#else
-# error Not defining packed attribute (unknown compiler)
-# define ATTRIB_PACKED
+#error Not defining packed attribute (unknown compiler)
+#define ATTRIB_PACKED
#endif
-typedef struct ATTRIB_PACKED
-{
- int32_t value;
-} tFloat;
+typedef struct ATTRIB_PACKED { int32_t value; } tFloat;
-typedef struct ATTRIB_PACKED
-{
+typedef struct ATTRIB_PACKED {
uint32_t tv_sec_high;
uint32_t tv_sec_low;
uint32_t tv_nsec;
} tTimeval;
-typedef enum
-{
- STT_SUCCESS = 0,
- STT_FAILED = 1,
- STT_UNAUTH = 2,
- STT_INVALID = 3,
- STT_NOSUCHSOURCE = 4,
- STT_INVALIDTS = 5,
- STT_NOTENABLED = 6,
- STT_BADSUBNET = 7,
- STT_ACCESSALLOWED = 8,
- STT_ACCESSDENIED = 9,
- STT_NOHOSTACCESS = 10,
+typedef enum {
+ STT_SUCCESS = 0,
+ STT_FAILED = 1,
+ STT_UNAUTH = 2,
+ STT_INVALID = 3,
+ STT_NOSUCHSOURCE = 4,
+ STT_INVALIDTS = 5,
+ STT_NOTENABLED = 6,
+ STT_BADSUBNET = 7,
+ STT_ACCESSALLOWED = 8,
+ STT_ACCESSDENIED = 9,
+ STT_NOHOSTACCESS = 10,
STT_SOURCEALREADYKNOWN = 11,
STT_TOOMANYSOURCES = 12,
- STT_NORTC = 13,
- STT_BADRTCFILE = 14,
- STT_INACTIVE = 15,
- STT_BADSAMPLE = 16,
- STT_INVALIDAF = 17,
- STT_BADPKTVERSION = 18,
- STT_BADPKTLENGTH = 19
+ STT_NORTC = 13,
+ STT_BADRTCFILE = 14,
+ STT_INACTIVE = 15,
+ STT_BADSAMPLE = 16,
+ STT_INVALIDAF = 17,
+ STT_BADPKTVERSION = 18,
+ STT_BADPKTLENGTH = 19
} eChrony_Status;
/* Chrony client request packets */
-typedef struct ATTRIB_PACKED
-{
- uint8_t f_dummy0[80]; /* Chrony expects 80bytes dummy data (Avoiding UDP Amplification) */
+typedef struct ATTRIB_PACKED {
+ uint8_t f_dummy0[80]; /* Chrony expects 80bytes dummy data (Avoiding UDP
+ Amplification) */
} tChrony_Req_Tracking;
-typedef struct ATTRIB_PACKED
-{
- uint32_t f_n_sources;
-} tChrony_Req_N_Sources;
+typedef struct ATTRIB_PACKED { uint32_t f_n_sources; } tChrony_Req_N_Sources;
-typedef struct ATTRIB_PACKED
-{
+typedef struct ATTRIB_PACKED {
int32_t f_index;
uint8_t f_dummy0[44];
} tChrony_Req_Source_data;
-typedef struct ATTRIB_PACKED
-{
+typedef struct ATTRIB_PACKED {
int32_t f_index;
uint8_t f_dummy0[56];
} tChrony_Req_Source_stats;
-typedef struct ATTRIB_PACKED
-{
- struct
- {
+typedef struct ATTRIB_PACKED {
+ struct {
uint8_t f_version;
uint8_t f_type;
uint8_t f_dummy0;
uint32_t f_dummy2;
uint32_t f_dummy3;
- } header; /* Packed: 20Bytes */
- union
- {
+ } header; /* Packed: 20Bytes */
+ union {
tChrony_Req_N_Sources n_sources;
tChrony_Req_Source_data source_data;
tChrony_Req_Source_stats source_stats;
tChrony_Req_Tracking tracking;
} body;
- uint8_t padding[4 + 16]; /* Padding to match minimal response size */
+ uint8_t padding[4 + 16]; /* Padding to match minimal response size */
} tChrony_Request;
/* Chrony daemon response packets */
-typedef struct ATTRIB_PACKED
-{
- uint32_t f_n_sources;
-} tChrony_Resp_N_Sources;
-
-typedef struct ATTRIB_PACKED
-{
- union
- {
+typedef struct ATTRIB_PACKED { uint32_t f_n_sources; } tChrony_Resp_N_Sources;
+
+typedef struct ATTRIB_PACKED {
+ union {
uint32_t ip4;
uint8_t ip6[16];
} addr;
uint16_t f_family;
} tChrony_IPAddr;
-typedef struct ATTRIB_PACKED
-{
+typedef struct ATTRIB_PACKED {
tChrony_IPAddr addr;
- uint16_t dummy; /* FIXME: Strange dummy space. Needed on gcc 4.8.3/clang 3.4.1 on x86_64 */
- int16_t f_poll; /* 2^f_poll = Time between polls (s) */
- uint16_t f_stratum; /* Remote clock stratum */
- uint16_t f_state; /* 0 = RPY_SD_ST_SYNC, 1 = RPY_SD_ST_UNREACH, 2 = RPY_SD_ST_FALSETICKER */
- /* 3 = RPY_SD_ST_JITTERY, 4 = RPY_SD_ST_CANDIDATE, 5 = RPY_SD_ST_OUTLIER */
- uint16_t f_mode; /* 0 = RPY_SD_MD_CLIENT, 1 = RPY_SD_MD_PEER, 2 = RPY_SD_MD_REF */
- uint16_t f_flags; /* unused */
- uint16_t f_reachability; /* Bit mask of successfull tries to reach the source */
-
- uint32_t f_since_sample; /* Time since last sample (s) */
- tFloat f_origin_latest_meas; /* */
- tFloat f_latest_meas; /* */
- tFloat f_latest_meas_err; /* */
+ uint16_t
+ dummy; /* FIXME: Strange dummy space. Needed on gcc 4.8.3/clang 3.4.1 on
+ x86_64 */
+ int16_t f_poll; /* 2^f_poll = Time between polls (s) */
+ uint16_t f_stratum; /* Remote clock stratum */
+ uint16_t f_state; /* 0 = RPY_SD_ST_SYNC, 1 = RPY_SD_ST_UNREACH, 2 =
+ RPY_SD_ST_FALSETICKER */
+ /* 3 = RPY_SD_ST_JITTERY, 4 = RPY_SD_ST_CANDIDATE, 5 = RPY_SD_ST_OUTLIER */
+ uint16_t f_mode; /* 0 = RPY_SD_MD_CLIENT, 1 = RPY_SD_MD_PEER, 2 =
+ RPY_SD_MD_REF */
+ uint16_t f_flags; /* unused */
+ uint16_t
+ f_reachability; /* Bit mask of successfull tries to reach the source */
+
+ uint32_t f_since_sample; /* Time since last sample (s) */
+ tFloat f_origin_latest_meas; /* */
+ tFloat f_latest_meas; /* */
+ tFloat f_latest_meas_err; /* */
} tChrony_Resp_Source_data;
-typedef struct ATTRIB_PACKED
-{
+typedef struct ATTRIB_PACKED {
uint32_t f_ref_id;
tChrony_IPAddr addr;
- uint16_t dummy; /* FIXME: Strange dummy space. Needed on gcc 4.8.3/clang 3.4.1 on x86_64 */
- uint32_t f_n_samples; /* Number of measurements done */
- uint32_t f_n_runs; /* How many measurements to come */
- uint32_t f_span_seconds; /* For how long we're measuring */
- tFloat f_rtc_seconds_fast; /* ??? */
- tFloat f_rtc_gain_rate_ppm; /* Estimated relative frequency error */
- tFloat f_skew_ppm; /* Clock skew (ppm) (worst case freq est error (skew: peak2peak)) */
- tFloat f_est_offset; /* Estimated offset of source */
- tFloat f_est_offset_err; /* Error of estimation */
+ uint16_t
+ dummy; /* FIXME: Strange dummy space. Needed on gcc 4.8.3/clang 3.4.1 on
+ x86_64 */
+ uint32_t f_n_samples; /* Number of measurements done */
+ uint32_t f_n_runs; /* How many measurements to come */
+ uint32_t f_span_seconds; /* For how long we're measuring */
+ tFloat f_rtc_seconds_fast; /* ??? */
+ tFloat f_rtc_gain_rate_ppm; /* Estimated relative frequency error */
+ tFloat f_skew_ppm; /* Clock skew (ppm) (worst case freq est error (skew:
+ peak2peak)) */
+ tFloat f_est_offset; /* Estimated offset of source */
+ tFloat f_est_offset_err; /* Error of estimation */
} tChrony_Resp_Source_stats;
-typedef struct ATTRIB_PACKED
-{
+typedef struct ATTRIB_PACKED {
uint32_t f_ref_id;
tChrony_IPAddr addr;
- uint16_t dummy; /* FIXME: Strange dummy space. Needed on gcc 4.8.3/clang 3.4.1 on x86_64 */
+ uint16_t
+ dummy; /* FIXME: Strange dummy space. Needed on gcc 4.8.3/clang 3.4.1 on
+ x86_64 */
uint16_t f_stratum;
uint16_t f_leap_status;
tTimeval f_ref_time;
tFloat f_last_update_interval;
} tChrony_Resp_Tracking;
-typedef struct ATTRIB_PACKED
-{
- struct
- {
+typedef struct ATTRIB_PACKED {
+ struct {
uint8_t f_version;
uint8_t f_type;
uint8_t f_dummy0;
uint32_t f_seq;
uint32_t f_dummy5;
uint32_t f_dummy6;
- } header; /* Packed: 28 Bytes */
+ } header; /* Packed: 28 Bytes */
- union
- {
+ union {
tChrony_Resp_N_Sources n_sources;
tChrony_Resp_Source_data source_data;
tChrony_Resp_Source_stats source_stats;
uint8_t padding[1024];
} tChrony_Response;
-
/*****************************************************************************/
/* Internal functions */
/*****************************************************************************/
-/* connect_client code adapted from: http://long.ccaba.upc.edu/long/045Guidelines/eva/ipv6.html#daytimeClient6 */
-/* License granted by Eva M Castro via e-mail on 2016-02-18 under the terms of GPLv3 */
-static int
-connect_client(const char *p_hostname,
- const char *p_service, int p_family, int p_socktype)
-{
+/* connect_client code adapted from:
+ * http://long.ccaba.upc.edu/long/045Guidelines/eva/ipv6.html#daytimeClient6 */
+/* License granted by Eva M Castro via e-mail on 2016-02-18 under the terms of
+ * GPLv3 */
+static int connect_client(const char *p_hostname, const char *p_service,
+ int p_family, int p_socktype) {
struct addrinfo *res, *ressave;
int n, sockfd;
- struct addrinfo ai_hints = {
- .ai_family = p_family,
- .ai_socktype = p_socktype
- };
+ struct addrinfo ai_hints = {.ai_family = p_family, .ai_socktype = p_socktype};
n = getaddrinfo(p_hostname, p_service, &ai_hints, &res);
- if (n < 0)
- {
+ if (n < 0) {
ERROR(PLUGIN_NAME ": getaddrinfo error:: [%s]", gai_strerror(n));
return -1;
}
ressave = res;
sockfd = -1;
- while (res)
- {
+ while (res) {
sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
- if (!(sockfd < 0))
- {
- if (connect(sockfd, res->ai_addr, res->ai_addrlen) == 0)
- {
+ if (!(sockfd < 0)) {
+ if (connect(sockfd, res->ai_addr, res->ai_addrlen) == 0) {
/* Success */
break;
}
return sockfd;
}
-
-/* niptoha code originally from: git://git.tuxfamily.org/gitroot/chrony/chrony.git:util.c */
+/* niptoha code originally from:
+ * git://git.tuxfamily.org/gitroot/chrony/chrony.git:util.c */
/* Original code licensed as GPLv2, by Richard P. Purnow, Miroslav Lichvar */
/* Original name: char * UTI_IPToString(IPAddr *addr)*/
-static char *
-niptoha(const tChrony_IPAddr * addr, char *p_buf, size_t p_buf_size)
-{
+static char *niptoha(const tChrony_IPAddr *addr, char *p_buf,
+ size_t p_buf_size) {
int rc = 1;
unsigned long a, b, c, d, ip;
- switch (ntohs(addr->f_family))
- {
+ switch (ntohs(addr->f_family)) {
case IPADDR_UNSPEC:
rc = snprintf(p_buf, p_buf_size, "[UNSPEC]");
break;
d = (ip >> 0) & 0xff;
rc = snprintf(p_buf, p_buf_size, "%ld.%ld.%ld.%ld", a, b, c, d);
break;
- case IPADDR_INET6:
- {
+ case IPADDR_INET6: {
const char *rp = inet_ntop(AF_INET6, addr->addr.ip6, p_buf, p_buf_size);
- if (rp == NULL)
- {
- ERROR(PLUGIN_NAME ": Error converting ipv6 address to string. Errno = %d", errno);
+ if (rp == NULL) {
+ ERROR(PLUGIN_NAME ": Error converting ipv6 address to string. Errno = %d",
+ errno);
rc = snprintf(p_buf, p_buf_size, "[UNKNOWN]");
}
break;
return p_buf;
}
-
-static int
-chrony_set_timeout(void)
-{
- /* Set the socket's timeout to g_chrony_timeout; a value of 0 signals infinite timeout */
+static int chrony_set_timeout(void) {
+ /* Set the socket's timeout to g_chrony_timeout; a value of 0 signals
+ * infinite timeout */
/* Returns 0 on success, !0 on error (check errno) */
struct timeval tv;
tv.tv_usec = 0;
assert(g_chrony_socket >= 0);
- if (setsockopt(g_chrony_socket, SOL_SOCKET,
- SO_RCVTIMEO, (char *) &tv, sizeof(struct timeval)) < 0)
- {
+ if (setsockopt(g_chrony_socket, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,
+ sizeof(struct timeval)) < 0) {
return CHRONY_RC_FAIL;
}
return CHRONY_RC_OK;
}
-
-static int
-chrony_connect(void)
-{
+static int chrony_connect(void) {
/* Connects to the chrony daemon */
/* Returns 0 on success, !0 on error (check errno) */
int socket;
- if (g_chrony_host == NULL)
- {
+ if (g_chrony_host == NULL) {
g_chrony_host = strdup(CHRONY_DEFAULT_HOST);
- if (g_chrony_host == NULL)
- {
+ if (g_chrony_host == NULL) {
ERROR(PLUGIN_NAME ": Error duplicating chrony host name");
return CHRONY_RC_FAIL;
}
}
- if (g_chrony_port == NULL)
- {
+ if (g_chrony_port == NULL) {
g_chrony_port = strdup(CHRONY_DEFAULT_PORT);
- if (g_chrony_port == NULL)
- {
+ if (g_chrony_port == NULL) {
ERROR(PLUGIN_NAME ": Error duplicating chrony port string");
return CHRONY_RC_FAIL;
}
}
- if (g_chrony_timeout < 0)
- {
+ if (g_chrony_timeout < 0) {
g_chrony_timeout = CHRONY_DEFAULT_TIMEOUT;
assert(g_chrony_timeout >= 0);
}
DEBUG(PLUGIN_NAME ": Connecting to %s:%s", g_chrony_host, g_chrony_port);
socket = connect_client(g_chrony_host, g_chrony_port, AF_UNSPEC, SOCK_DGRAM);
- if (socket < 0)
- {
+ if (socket < 0) {
ERROR(PLUGIN_NAME ": Error connecting to daemon. Errno = %d", errno);
return CHRONY_RC_FAIL;
}
DEBUG(PLUGIN_NAME ": Connected");
g_chrony_socket = socket;
- if (chrony_set_timeout())
- {
+ if (chrony_set_timeout()) {
ERROR(PLUGIN_NAME ": Error setting timeout to %llds. Errno = %d",
(long long)g_chrony_timeout, errno);
return CHRONY_RC_FAIL;
return CHRONY_RC_OK;
}
-
-static int
-chrony_send_request(const tChrony_Request * p_req, size_t p_req_size)
-{
- if (send(g_chrony_socket, p_req, p_req_size, 0) < 0)
- {
+static int chrony_send_request(const tChrony_Request *p_req,
+ size_t p_req_size) {
+ if (send(g_chrony_socket, p_req, p_req_size, 0) < 0) {
ERROR(PLUGIN_NAME ": Error sending packet. Errno = %d", errno);
return CHRONY_RC_FAIL;
}
return CHRONY_RC_OK;
}
-
-static int
-chrony_recv_response(tChrony_Response * p_resp, size_t p_resp_max_size,
- size_t * p_resp_size)
-{
+static int chrony_recv_response(tChrony_Response *p_resp,
+ size_t p_resp_max_size, size_t *p_resp_size) {
ssize_t rc = recv(g_chrony_socket, p_resp, p_resp_max_size, 0);
- if (rc <= 0)
- {
+ if (rc <= 0) {
ERROR(PLUGIN_NAME ": Error receiving packet: %s (%d)", strerror(errno),
errno);
return CHRONY_RC_FAIL;
- }
- else
- {
+ } else {
*p_resp_size = rc;
return CHRONY_RC_OK;
}
}
-
-static int
-chrony_query(const int p_command, tChrony_Request * p_req,
- tChrony_Response * p_resp, size_t * p_resp_size)
-{
- /* Check connection. We simply perform one try as collectd already handles retries */
+static int chrony_query(const int p_command, tChrony_Request *p_req,
+ tChrony_Response *p_resp, size_t *p_resp_size) {
+ /* Check connection. We simply perform one try as collectd already handles
+ * retries */
assert(p_req);
assert(p_resp);
assert(p_resp_size);
- if (g_chrony_is_connected == 0)
- {
- if (chrony_connect() == CHRONY_RC_OK)
- {
+ if (g_chrony_is_connected == 0) {
+ if (chrony_connect() == CHRONY_RC_OK) {
g_chrony_is_connected = 1;
- }
- else
- {
+ } else {
ERROR(PLUGIN_NAME ": Unable to connect. Errno = %d", errno);
return CHRONY_RC_FAIL;
}
}
- do
- {
+ do {
int valid_command = 0;
- size_t req_size = sizeof(p_req->header) + sizeof(p_req->padding);
+ size_t req_size = sizeof(p_req->header) + sizeof(p_req->padding);
size_t resp_size = sizeof(p_resp->header);
uint16_t resp_code = RPY_NULL;
- switch (p_command)
- {
+ switch (p_command) {
case REQ_TRACKING:
- req_size += sizeof(p_req->body.tracking);
+ req_size += sizeof(p_req->body.tracking);
resp_size += sizeof(p_resp->body.tracking);
resp_code = RPY_TRACKING;
valid_command = 1;
break;
case REQ_N_SOURCES:
- req_size += sizeof(p_req->body.n_sources);
+ req_size += sizeof(p_req->body.n_sources);
resp_size += sizeof(p_resp->body.n_sources);
resp_code = RPY_N_SOURCES;
valid_command = 1;
break;
case REQ_SOURCE_DATA:
- req_size += sizeof(p_req->body.source_data);
+ req_size += sizeof(p_req->body.source_data);
resp_size += sizeof(p_resp->body.source_data);
resp_code = RPY_SOURCE_DATA;
valid_command = 1;
break;
case REQ_SOURCE_STATS:
- req_size += sizeof(p_req->body.source_stats);
+ req_size += sizeof(p_req->body.source_stats);
resp_size += sizeof(p_resp->body.source_stats);
resp_code = RPY_SOURCE_STATS;
valid_command = 1;
if (chrony_recv_response(p_resp, resp_size, p_resp_size) != 0)
break;
- DEBUG(PLUGIN_NAME
- ": Received response: .version = %u, .type = %u, .cmd = %u, .reply = %u, .status = %u, .seq = %u",
+ DEBUG(PLUGIN_NAME ": Received response: .version = %u, .type = %u, .cmd = "
+ "%u, .reply = %u, .status = %u, .seq = %u",
p_resp->header.f_version, p_resp->header.f_type,
ntohs(p_resp->header.f_cmd), ntohs(p_resp->header.f_reply),
ntohs(p_resp->header.f_status), p_resp->header.f_seq);
- if (p_resp->header.f_version != p_req->header.f_version)
- {
+ if (p_resp->header.f_version != p_req->header.f_version) {
ERROR(PLUGIN_NAME ": Wrong protocol version (Was: %d, expected: %d)",
p_resp->header.f_version, p_req->header.f_version);
return CHRONY_RC_FAIL;
}
- if (p_resp->header.f_type != PKT_TYPE_CMD_REPLY)
- {
+ if (p_resp->header.f_type != PKT_TYPE_CMD_REPLY) {
ERROR(PLUGIN_NAME ": Wrong packet type (Was: %d, expected: %d)",
p_resp->header.f_type, PKT_TYPE_CMD_REPLY);
return CHRONY_RC_FAIL;
}
- if (p_resp->header.f_seq != seq_nr)
- {
+ if (p_resp->header.f_seq != seq_nr) {
/* FIXME: Implement sequence number handling */
- ERROR(PLUGIN_NAME
- ": Unexpected sequence number (Was: %d, expected: %d)",
+ ERROR(PLUGIN_NAME ": Unexpected sequence number (Was: %d, expected: %d)",
p_resp->header.f_seq, p_req->header.f_seq);
return CHRONY_RC_FAIL;
}
- if (p_resp->header.f_cmd != p_req->header.f_cmd)
- {
+ if (p_resp->header.f_cmd != p_req->header.f_cmd) {
ERROR(PLUGIN_NAME ": Wrong reply command (Was: %d, expected: %d)",
p_resp->header.f_cmd, p_req->header.f_cmd);
return CHRONY_RC_FAIL;
}
- if (ntohs(p_resp->header.f_reply) != resp_code)
- {
+ if (ntohs(p_resp->header.f_reply) != resp_code) {
ERROR(PLUGIN_NAME ": Wrong reply code (Was: %d, expected: %d)",
ntohs(p_resp->header.f_reply), resp_code);
return CHRONY_RC_FAIL;
}
- switch (p_resp->header.f_status)
- {
+ switch (p_resp->header.f_status) {
case STT_SUCCESS:
DEBUG(PLUGIN_NAME ": Reply packet status STT_SUCCESS");
break;
/* Good result */
return CHRONY_RC_OK;
- }
- while (0);
+ } while (0);
/* Some error occured */
return CHRONY_RC_FAIL;
}
-
-static void
-chrony_init_req(tChrony_Request * p_req)
-{
+static void chrony_init_req(tChrony_Request *p_req) {
memset(p_req, 0, sizeof(*p_req));
p_req->header.f_version = PROTO_VERSION_NUMBER;
- p_req->header.f_type = PKT_TYPE_CMD_REQUEST;
- p_req->header.f_dummy0 = 0;
- p_req->header.f_dummy1 = 0;
- p_req->header.f_dummy2 = 0;
- p_req->header.f_dummy3 = 0;
+ p_req->header.f_type = PKT_TYPE_CMD_REQUEST;
+ p_req->header.f_dummy0 = 0;
+ p_req->header.f_dummy1 = 0;
+ p_req->header.f_dummy2 = 0;
+ p_req->header.f_dummy3 = 0;
}
-
-/* ntohf code originally from: git://git.tuxfamily.org/gitroot/chrony/chrony.git:util.c */
+/* ntohf code originally from:
+ * git://git.tuxfamily.org/gitroot/chrony/chrony.git:util.c */
/* Original code licensed as GPLv2, by Richard P. Purnow, Miroslav Lichvar */
/* Original name: double UTI_tFloatNetworkToHost(tFloat f) */
-static double
-ntohf(tFloat p_float)
-{
- /* Convert tFloat in Network-bit-order to double in host-bit-order */
+static double ntohf(tFloat p_float) {
+/* Convert tFloat in Network-bit-order to double in host-bit-order */
#define FLOAT_EXP_BITS 7
#define FLOAT_EXP_MIN (-(1 << (FLOAT_EXP_BITS - 1)))
#define FLOAT_EXP_MAX (-FLOAT_EXP_MIN - 1)
-#define FLOAT_COEF_BITS ((int)sizeof (int32_t) * 8 - FLOAT_EXP_BITS)
+#define FLOAT_COEF_BITS ((int)sizeof(int32_t) * 8 - FLOAT_EXP_BITS)
#define FLOAT_COEF_MIN (-(1 << (FLOAT_COEF_BITS - 1)))
#define FLOAT_COEF_MAX (-FLOAT_COEF_MIN - 1)
return coef * pow(2.0, exp);
}
-
-static void
-chrony_push_data(const char *p_type, const char *p_type_inst, double p_value)
-{
+static void chrony_push_data(const char *p_type, const char *p_type_inst,
+ double p_value) {
value_list_t vl = VALUE_LIST_INIT;
- vl.values = &(value_t) { .gauge = p_value };
+ vl.values = &(value_t){.gauge = p_value};
vl.values_len = 1;
- /* XXX: Shall g_chrony_host/g_chrony_port be reflected in the plugin's output? */
+ /* XXX: Shall g_chrony_host/g_chrony_port be reflected in the plugin's output?
+ */
sstrncpy(vl.plugin, PLUGIN_NAME_SHORT, sizeof(vl.plugin));
- if (g_chrony_plugin_instance != NULL)
- {
+ if (g_chrony_plugin_instance != NULL) {
sstrncpy(vl.plugin_instance, g_chrony_plugin_instance,
sizeof(vl.plugin_instance));
}
plugin_dispatch_values(&vl);
}
-
-static void
-chrony_push_data_valid(const char *p_type, const char *p_type_inst, const int p_is_valid,
- double p_value)
-{
- /* Push real value if p_is_valid is true, push NAN if p_is_valid is not true (idea from ntp plugin) */
+static void chrony_push_data_valid(const char *p_type, const char *p_type_inst,
+ const int p_is_valid, double p_value) {
+ /* Push real value if p_is_valid is true, push NAN if p_is_valid is not true
+ * (idea from ntp plugin) */
if (p_is_valid == 0)
p_value = NAN;
chrony_push_data(p_type, p_type_inst, p_value);
}
-
-static int
-chrony_init_seq(void)
-{
+static int chrony_init_seq(void) {
/* Initialize the sequence number generator from /dev/urandom */
/* Fallbacks: /dev/random and time(NULL) */
/* Try urandom */
fh = open(URAND_DEVICE_PATH, O_RDONLY);
- if (fh >= 0)
- {
+ if (fh >= 0) {
ssize_t rc = read(fh, &g_chrony_rand, sizeof(g_chrony_rand));
- if (rc != sizeof(g_chrony_rand))
- {
+ if (rc != sizeof(g_chrony_rand)) {
ERROR(PLUGIN_NAME ": Reading from random source \'%s\'failed: %s (%d)",
URAND_DEVICE_PATH, strerror(errno), errno);
close(fh);
}
close(fh);
DEBUG(PLUGIN_NAME ": Seeding RNG from " URAND_DEVICE_PATH);
- }
- else
- {
- if (errno == ENOENT)
- {
- /* URAND_DEVICE_PATH device not found. Try RAND_DEVICE_PATH as fall-back */
+ } else {
+ if (errno == ENOENT) {
+ /* URAND_DEVICE_PATH device not found. Try RAND_DEVICE_PATH as fall-back
+ */
fh = open(RAND_DEVICE_PATH, O_RDONLY);
- if (fh >= 0)
- {
+ if (fh >= 0) {
ssize_t rc = read(fh, &g_chrony_rand, sizeof(g_chrony_rand));
- if (rc != sizeof(g_chrony_rand))
- {
+ if (rc != sizeof(g_chrony_rand)) {
ERROR(PLUGIN_NAME
": Reading from random source \'%s\'failed: %s (%d)",
RAND_DEVICE_PATH, strerror(errno), errno);
}
close(fh);
DEBUG(PLUGIN_NAME ": Seeding RNG from " RAND_DEVICE_PATH);
- }
- else
- {
+ } else {
/* Error opening RAND_DEVICE_PATH. Try time(NULL) as fall-back */
DEBUG(PLUGIN_NAME ": Seeding RNG from time(NULL)");
g_chrony_rand = time(NULL) ^ getpid();
}
- }
- else
- {
+ } else {
ERROR(PLUGIN_NAME ": Opening random source \'%s\' failed: %s (%d)",
URAND_DEVICE_PATH, strerror(errno), errno);
return CHRONY_RC_FAIL;
return CHRONY_RC_OK;
}
-
/*****************************************************************************/
/* Exported functions */
/*****************************************************************************/
-static int
-chrony_config(const char *p_key, const char *p_value)
-{
+static int chrony_config(const char *p_key, const char *p_value) {
assert(p_key);
assert(p_value);
/* Parse config variables */
- if (strcasecmp(p_key, CONFIG_KEY_HOST) == 0)
- {
+ if (strcasecmp(p_key, CONFIG_KEY_HOST) == 0) {
if (g_chrony_host != NULL)
free(g_chrony_host);
- if ((g_chrony_host = strdup(p_value)) == NULL)
- {
+ if ((g_chrony_host = strdup(p_value)) == NULL) {
ERROR(PLUGIN_NAME ": Error duplicating host name");
return CHRONY_RC_FAIL;
}
- }
- else
- {
- if (strcasecmp(p_key, CONFIG_KEY_PORT) == 0)
- {
+ } else {
+ if (strcasecmp(p_key, CONFIG_KEY_PORT) == 0) {
if (g_chrony_port != NULL)
free(g_chrony_port);
- if ((g_chrony_port = strdup(p_value)) == NULL)
- {
+ if ((g_chrony_port = strdup(p_value)) == NULL) {
ERROR(PLUGIN_NAME ": Error duplicating port name");
return CHRONY_RC_FAIL;
}
- }
- else
- {
- if (strcasecmp(p_key, CONFIG_KEY_TIMEOUT) == 0)
- {
+ } else {
+ if (strcasecmp(p_key, CONFIG_KEY_TIMEOUT) == 0) {
time_t tosec = strtol(p_value, NULL, 0);
g_chrony_timeout = tosec;
- }
- else
- {
- WARNING(PLUGIN_NAME ": Unknown configuration variable: %s %s", p_key, p_value);
+ } else {
+ WARNING(PLUGIN_NAME ": Unknown configuration variable: %s %s", p_key,
+ p_value);
return CHRONY_RC_FAIL;
}
}
}
- /* XXX: We could set g_chrony_plugin_instance here to "g_chrony_host-g_chrony_port", but as multiple instances aren't yet supported, we skip this for now */
+ /* XXX: We could set g_chrony_plugin_instance here to
+ * "g_chrony_host-g_chrony_port", but as multiple instances aren't yet
+ * supported, we skip this for now */
return CHRONY_RC_OK;
}
-
-static int
-chrony_request_daemon_stats(void)
-{
+static int chrony_request_daemon_stats(void) {
/* Perform Tracking request */
int rc;
size_t chrony_resp_size;
tChrony_Response chrony_resp;
chrony_init_req(&chrony_req);
- rc =
- chrony_query(REQ_TRACKING, &chrony_req, &chrony_resp, &chrony_resp_size);
- if (rc != 0)
- {
+ rc = chrony_query(REQ_TRACKING, &chrony_req, &chrony_resp, &chrony_resp_size);
+ if (rc != 0) {
ERROR(PLUGIN_NAME ": chrony_query (REQ_TRACKING) failed with status %i",
rc);
return rc;
}
#if COLLECT_DEBUG
{
- char src_addr[IPV6_STR_MAX_SIZE] = { 0 };
+ char src_addr[IPV6_STR_MAX_SIZE] = {0};
niptoha(&chrony_resp.body.tracking.addr, src_addr, sizeof(src_addr));
- DEBUG(PLUGIN_NAME ": Daemon stat: .addr = %s, .ref_id= %u, .stratum = %u, .leap_status = %u, .ref_time = %u:%u:%u, .current_correction = %f, .last_offset = %f, .rms_offset = %f, .freq_ppm = %f, .skew_ppm = %f, .root_delay = %f, .root_dispersion = %f, .last_update_interval = %f", src_addr, ntohs(chrony_resp.body.tracking.f_ref_id),
+ DEBUG(PLUGIN_NAME
+ ": Daemon stat: .addr = %s, .ref_id= %u, .stratum = %u, .leap_status "
+ "= %u, .ref_time = %u:%u:%u, .current_correction = %f, .last_offset "
+ "= %f, .rms_offset = %f, .freq_ppm = %f, .skew_ppm = %f, .root_delay "
+ "= %f, .root_dispersion = %f, .last_update_interval = %f",
+ src_addr, ntohs(chrony_resp.body.tracking.f_ref_id),
ntohs(chrony_resp.body.tracking.f_stratum),
ntohs(chrony_resp.body.tracking.f_leap_status),
ntohl(chrony_resp.body.tracking.f_ref_time.tv_sec_high),
double time_ref = ntohl(chrony_resp.body.tracking.f_ref_time.tv_nsec);
time_ref /= 1000000000.0;
time_ref += ntohl(chrony_resp.body.tracking.f_ref_time.tv_sec_low);
- if (chrony_resp.body.tracking.f_ref_time.tv_sec_high)
- {
- double secs_high =
- ntohl(chrony_resp.body.tracking.f_ref_time.tv_sec_high);
+ if (chrony_resp.body.tracking.f_ref_time.tv_sec_high) {
+ double secs_high = ntohl(chrony_resp.body.tracking.f_ref_time.tv_sec_high);
secs_high *= 4294967296.0;
time_ref += secs_high;
}
/* Forward results to collectd-daemon */
/* Type_instance is always 'chrony' to tag daemon-wide data */
/* Type Type_instan Value */
- chrony_push_data("clock_stratum", DAEMON_NAME, ntohs(chrony_resp.body.tracking.f_stratum));
- chrony_push_data("time_ref", DAEMON_NAME, time_ref); /* unit: s */
- chrony_push_data("time_offset_ntp", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_current_correction)); /* Offset between system time and NTP, unit: s */
- chrony_push_data("time_offset", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_last_offset)); /* Estimated Offset of the NTP time, unit: s */
- chrony_push_data("time_offset_rms", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_rms_offset)); /* averaged value of the above, unit: s */
- chrony_push_data("frequency_error", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_freq_ppm)); /* Frequency error of the local osc, unit: ppm */
- chrony_push_data("clock_skew_ppm", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_skew_ppm));
- chrony_push_data("root_delay", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_root_delay)); /* Network latency between local daemon and the current source */
- chrony_push_data("root_dispersion", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_root_dispersion));
- chrony_push_data("clock_last_update", DAEMON_NAME, ntohf(chrony_resp.body.tracking.f_last_update_interval));
+ chrony_push_data("clock_stratum", DAEMON_NAME,
+ ntohs(chrony_resp.body.tracking.f_stratum));
+ chrony_push_data("time_ref", DAEMON_NAME, time_ref); /* unit: s */
+ chrony_push_data(
+ "time_offset_ntp", DAEMON_NAME,
+ ntohf(chrony_resp.body.tracking.f_current_correction)); /* Offset between
+ system time and
+ NTP, unit: s */
+ chrony_push_data(
+ "time_offset", DAEMON_NAME,
+ ntohf(
+ chrony_resp.body.tracking
+ .f_last_offset)); /* Estimated Offset of the NTP time, unit: s */
+ chrony_push_data(
+ "time_offset_rms", DAEMON_NAME,
+ ntohf(chrony_resp.body.tracking
+ .f_rms_offset)); /* averaged value of the above, unit: s */
+ chrony_push_data(
+ "frequency_error", DAEMON_NAME,
+ ntohf(chrony_resp.body.tracking
+ .f_freq_ppm)); /* Frequency error of the local osc, unit: ppm */
+ chrony_push_data("clock_skew_ppm", DAEMON_NAME,
+ ntohf(chrony_resp.body.tracking.f_skew_ppm));
+ chrony_push_data(
+ "root_delay", DAEMON_NAME,
+ ntohf(chrony_resp.body.tracking.f_root_delay)); /* Network latency between
+ local daemon and the
+ current source */
+ chrony_push_data("root_dispersion", DAEMON_NAME,
+ ntohf(chrony_resp.body.tracking.f_root_dispersion));
+ chrony_push_data("clock_last_update", DAEMON_NAME,
+ ntohf(chrony_resp.body.tracking.f_last_update_interval));
return CHRONY_RC_OK;
}
-
-static int
-chrony_request_sources_count(unsigned int *p_count)
-{
+static int chrony_request_sources_count(unsigned int *p_count) {
/* Requests the number of time sources from the chrony daemon */
int rc;
size_t chrony_resp_size;
DEBUG(PLUGIN_NAME ": Requesting data");
chrony_init_req(&chrony_req);
rc =
- chrony_query(REQ_N_SOURCES, &chrony_req, &chrony_resp, &chrony_resp_size);
- if (rc != 0)
- {
+ chrony_query(REQ_N_SOURCES, &chrony_req, &chrony_resp, &chrony_resp_size);
+ if (rc != 0) {
ERROR(PLUGIN_NAME ": chrony_query (REQ_N_SOURCES) failed with status %i",
rc);
return rc;
return CHRONY_RC_OK;
}
-
-static int
-chrony_request_source_data(int p_src_idx, int *p_is_reachable)
-{
+static int chrony_request_source_data(int p_src_idx, int *p_is_reachable) {
/* Perform Source data request for source #p_src_idx */
int rc;
size_t chrony_resp_size;
tChrony_Request chrony_req;
tChrony_Response chrony_resp;
- char src_addr[IPV6_STR_MAX_SIZE] = { 0 };
+ char src_addr[IPV6_STR_MAX_SIZE] = {0};
chrony_init_req(&chrony_req);
chrony_req.body.source_data.f_index = htonl(p_src_idx);
- rc =
- chrony_query(REQ_SOURCE_DATA, &chrony_req, &chrony_resp,
- &chrony_resp_size);
- if (rc != 0)
- {
- ERROR(PLUGIN_NAME
- ": chrony_query (REQ_SOURCE_DATA) failed with status %i", rc);
+ rc = chrony_query(REQ_SOURCE_DATA, &chrony_req, &chrony_resp,
+ &chrony_resp_size);
+ if (rc != 0) {
+ ERROR(PLUGIN_NAME ": chrony_query (REQ_SOURCE_DATA) failed with status %i",
+ rc);
return rc;
}
niptoha(&chrony_resp.body.source_data.addr, src_addr, sizeof(src_addr));
- DEBUG(PLUGIN_NAME
- ": Source[%d] data: .addr = %s, .poll = %u, .stratum = %u, .state = %u, .mode = %u, .flags = %u, .reach = %u, .latest_meas_ago = %u, .orig_latest_meas = %f, .latest_meas = %f, .latest_meas_err = %f",
+ DEBUG(PLUGIN_NAME ": Source[%d] data: .addr = %s, .poll = %u, .stratum = %u, "
+ ".state = %u, .mode = %u, .flags = %u, .reach = %u, "
+ ".latest_meas_ago = %u, .orig_latest_meas = %f, "
+ ".latest_meas = %f, .latest_meas_err = %f",
p_src_idx, src_addr, ntohs(chrony_resp.body.source_data.f_poll),
ntohs(chrony_resp.body.source_data.f_stratum),
ntohs(chrony_resp.body.source_data.f_state),
ntohf(chrony_resp.body.source_data.f_latest_meas_err));
/* Push NaN if source is currently not reachable */
- int is_reachable =
- ntohs(chrony_resp.body.source_data.f_reachability) & 0x01;
+ int is_reachable = ntohs(chrony_resp.body.source_data.f_reachability) & 0x01;
*p_is_reachable = is_reachable;
/* Forward results to collectd-daemon */
return CHRONY_RC_OK;
}
-
-static int
-chrony_request_source_stats(int p_src_idx, const int *p_is_reachable)
-{
+static int chrony_request_source_stats(int p_src_idx,
+ const int *p_is_reachable) {
/* Perform Source stats request for source #p_src_idx */
int rc;
size_t chrony_resp_size;
tChrony_Response chrony_resp;
double skew_ppm, frequency_error, time_offset;
- char src_addr[IPV6_STR_MAX_SIZE] = { 0 };
+ char src_addr[IPV6_STR_MAX_SIZE] = {0};
- if (*p_is_reachable == 0)
- {
+ if (*p_is_reachable == 0) {
skew_ppm = 0;
frequency_error = 0;
time_offset = 0;
- }
- else
- {
+ } else {
chrony_init_req(&chrony_req);
chrony_req.body.source_stats.f_index = htonl(p_src_idx);
- rc =
- chrony_query(REQ_SOURCE_STATS, &chrony_req, &chrony_resp,
- &chrony_resp_size);
- if (rc != 0)
- {
+ rc = chrony_query(REQ_SOURCE_STATS, &chrony_req, &chrony_resp,
+ &chrony_resp_size);
+ if (rc != 0) {
ERROR(PLUGIN_NAME
- ": chrony_query (REQ_SOURCE_STATS) failed with status %i", rc);
+ ": chrony_query (REQ_SOURCE_STATS) failed with status %i",
+ rc);
return rc;
}
skew_ppm = ntohf(chrony_resp.body.source_stats.f_skew_ppm);
- frequency_error =
- ntohf(chrony_resp.body.source_stats.f_rtc_gain_rate_ppm);
+ frequency_error = ntohf(chrony_resp.body.source_stats.f_rtc_gain_rate_ppm);
time_offset = ntohf(chrony_resp.body.source_stats.f_est_offset);
niptoha(&chrony_resp.body.source_stats.addr, src_addr, sizeof(src_addr));
DEBUG(PLUGIN_NAME
": Source[%d] stat: .addr = %s, .ref_id= %u, .n_samples = %u, "
".n_runs = %u, .span_seconds = %u, .rtc_seconds_fast = %f, "
- ".rtc_gain_rate_ppm = %f, .skew_ppm= %f, .est_offset = %f, .est_offset_err = %f",
- p_src_idx, src_addr,
- ntohl(chrony_resp.body.source_stats.f_ref_id),
+ ".rtc_gain_rate_ppm = %f, .skew_ppm= %f, .est_offset = %f, "
+ ".est_offset_err = %f",
+ p_src_idx, src_addr, ntohl(chrony_resp.body.source_stats.f_ref_id),
ntohl(chrony_resp.body.source_stats.f_n_samples),
ntohl(chrony_resp.body.source_stats.f_n_runs),
ntohl(chrony_resp.body.source_stats.f_span_seconds),
/* Forward results to collectd-daemon */
chrony_push_data_valid("clock_skew_ppm", src_addr, *p_is_reachable, skew_ppm);
- chrony_push_data_valid("frequency_error", src_addr, *p_is_reachable, frequency_error); /* unit: ppm */
- chrony_push_data_valid("time_offset", src_addr, *p_is_reachable, time_offset); /* unit: s */
+ chrony_push_data_valid("frequency_error", src_addr, *p_is_reachable,
+ frequency_error); /* unit: ppm */
+ chrony_push_data_valid("time_offset", src_addr, *p_is_reachable,
+ time_offset); /* unit: s */
return CHRONY_RC_OK;
}
-
-static int
-chrony_read(void)
-{
+static int chrony_read(void) {
/* collectd read callback: Perform data acquisition */
int rc;
unsigned int n_sources;
- if (g_chrony_seq_is_initialized == 0)
- {
+ if (g_chrony_seq_is_initialized == 0) {
/* Seed RNG for sequence number generation */
rc = chrony_init_seq();
if (rc != CHRONY_RC_OK)
if (rc != CHRONY_RC_OK)
return rc;
- for (unsigned int now_src = 0; now_src < n_sources; ++now_src)
- {
+ for (unsigned int now_src = 0; now_src < n_sources; ++now_src) {
int is_reachable;
rc = chrony_request_source_data(now_src, &is_reachable);
if (rc != CHRONY_RC_OK)
rc = chrony_request_source_stats(now_src, &is_reachable);
if (rc != CHRONY_RC_OK)
return rc;
-
}
return CHRONY_RC_OK;
}
-
-static int
-chrony_shutdown(void)
-{
+static int chrony_shutdown(void) {
/* Collectd shutdown callback: Free mem */
- if (g_chrony_is_connected != 0)
- {
+ if (g_chrony_is_connected != 0) {
close(g_chrony_socket);
g_chrony_is_connected = 0;
}
if (g_chrony_port != NULL)
sfree(g_chrony_port);
-
+
if (g_chrony_plugin_instance != NULL)
sfree(g_chrony_plugin_instance);
-
+
return CHRONY_RC_OK;
}
-
-void
-module_register(void)
-{
+void module_register(void) {
plugin_register_config(PLUGIN_NAME_SHORT, chrony_config, g_config_keys,
g_config_keys_num);
plugin_register_read(PLUGIN_NAME_SHORT, chrony_read);
projects / collectd.git / blobdiff