* Florian octo Forster <octo at collectd.org>
**/
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
#if !defined(__GNUC__) || !__GNUC__
-# define __attribute__(x) /**/
+#define __attribute__(x) /**/
#endif
#include "collectd/lcc_features.h"
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <string.h>
#include <assert.h>
#include <errno.h>
#include <math.h>
#include <netdb.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <unistd.h>
#include "collectd/client.h"
/* NI_MAXHOST has been obsoleted by RFC 3493 which is a reason for SunOS 5.11
* to no longer define it. We'll use the old, RFC 2553 value here. */
#ifndef NI_MAXHOST
-# define NI_MAXHOST 1025
+#define NI_MAXHOST 1025
#endif
/* OpenBSD doesn't have EPROTO, FreeBSD doesn't have EILSEQ. Oh what joy! */
#ifndef EILSEQ
-# ifdef EPROTO
-# define EILSEQ EPROTO
-# else
-# define EILSEQ EINVAL
-# endif
+#ifdef EPROTO
+#define EILSEQ EPROTO
+#else
+#define EILSEQ EINVAL
+#endif
#endif
/* Secure/static macros. They work like `strcpy' and `strcat', but assure null
* termination. They work for static buffers only, because they use `sizeof'.
* The `SSTRCATF' combines the functionality of `snprintf' and `strcat' which
* is very useful to add formatted stuff to the end of a buffer. */
-#define SSTRCPY(d,s) do { \
- strncpy ((d), (s), sizeof (d)); \
- (d)[sizeof (d) - 1] = 0; \
+#define SSTRCPY(d, s) \
+ do { \
+ strncpy((d), (s), sizeof(d)); \
+ (d)[sizeof(d) - 1] = 0; \
} while (0)
-#define SSTRCAT(d,s) do { \
- size_t _l = strlen (d); \
- strncpy ((d) + _l, (s), sizeof (d) - _l); \
- (d)[sizeof (d) - 1] = 0; \
+#define SSTRCAT(d, s) \
+ do { \
+ size_t _l = strlen(d); \
+ strncpy((d) + _l, (s), sizeof(d) - _l); \
+ (d)[sizeof(d) - 1] = 0; \
} while (0)
-#define SSTRCATF(d, ...) do { \
- char _b[sizeof (d)]; \
- snprintf (_b, sizeof (_b), __VA_ARGS__); \
- _b[sizeof (_b) - 1] = 0; \
- SSTRCAT ((d), _b); \
+#define SSTRCATF(d, ...) \
+ do { \
+ char _b[sizeof(d)]; \
+ snprintf(_b, sizeof(_b), __VA_ARGS__); \
+ _b[sizeof(_b) - 1] = 0; \
+ SSTRCAT((d), _b); \
} while (0)
-
-#define LCC_SET_ERRSTR(c, ...) do { \
- snprintf ((c)->errbuf, sizeof ((c)->errbuf), __VA_ARGS__); \
- (c)->errbuf[sizeof ((c)->errbuf) - 1] = 0; \
-} while (0)
+#define LCC_SET_ERRSTR(c, ...) \
+ do { \
+ snprintf((c)->errbuf, sizeof((c)->errbuf), __VA_ARGS__); \
+ } while (0)
/*
* Types
*/
-struct lcc_connection_s
-{
+struct lcc_connection_s {
FILE *fh;
- char errbuf[1024];
+ char errbuf[2048];
};
-struct lcc_response_s
-{
+struct lcc_response_s {
int status;
char message[1024];
char **lines;
/*
* Private functions
*/
-__attribute__ ((format (printf, 1, 0)))
-static int lcc_tracef(char const *format, ...)
-{
+__attribute__((format(printf, 1, 0))) static int lcc_tracef(char const *format,
+ ...) {
va_list ap;
int status;
- char const *trace = getenv (LCC_TRACE_ENV);
- if (!trace || (strcmp ("", trace) == 0) || (strcmp ("0", trace) == 0))
+ char const *trace = getenv(LCC_TRACE_ENV);
+ if (!trace || (strcmp("", trace) == 0) || (strcmp("0", trace) == 0))
return 0;
- va_start (ap, format);
- status = vprintf (format, ap);
- va_end (ap);
+ va_start(ap, format);
+ status = vprintf(format, ap);
+ va_end(ap);
return status;
}
/* Even though Posix requires "strerror_r" to return an "int",
* some systems (e.g. the GNU libc) return a "char *" _and_
* ignore the second argument ... -tokkee */
-static char *sstrerror (int errnum, char *buf, size_t buflen)
-{
+static char *sstrerror(int errnum, char *buf, size_t buflen) {
buf[0] = 0;
#if !HAVE_STRERROR_R
- snprintf (buf, buflen, "Error #%i; strerror_r is not available.", errnum);
+ snprintf(buf, buflen, "Error #%i; strerror_r is not available.", errnum);
/* #endif !HAVE_STRERROR_R */
#elif STRERROR_R_CHAR_P
{
char *temp;
- temp = strerror_r (errnum, buf, buflen);
- if (buf[0] == 0)
- {
+ temp = strerror_r(errnum, buf, buflen);
+ if (buf[0] == 0) {
if ((temp != NULL) && (temp != buf) && (temp[0] != 0))
- strncpy (buf, temp, buflen);
+ strncpy(buf, temp, buflen);
else
- strncpy (buf, "strerror_r did not return "
- "an error message", buflen);
+ strncpy(buf, "strerror_r did not return "
+ "an error message",
+ buflen);
}
}
/* #endif STRERROR_R_CHAR_P */
#else
- if (strerror_r (errnum, buf, buflen) != 0)
- {
- snprintf (buf, buflen, "Error #%i; "
- "Additionally, strerror_r failed.",
- errnum);
+ if (strerror_r(errnum, buf, buflen) != 0) {
+ snprintf(buf, buflen, "Error #%i; "
+ "Additionally, strerror_r failed.",
+ errnum);
}
#endif /* STRERROR_R_CHAR_P */
buf[buflen - 1] = 0;
- return (buf);
+ return buf;
} /* char *sstrerror */
-static int lcc_set_errno (lcc_connection_t *c, int err) /* {{{ */
+static int lcc_set_errno(lcc_connection_t *c, int err) /* {{{ */
{
if (c == NULL)
- return (-1);
+ return -1;
- sstrerror (err, c->errbuf, sizeof (c->errbuf));
- c->errbuf[sizeof (c->errbuf) - 1] = 0;
+ sstrerror(err, c->errbuf, sizeof(c->errbuf));
+ c->errbuf[sizeof(c->errbuf) - 1] = 0;
- return (0);
+ return 0;
} /* }}} int lcc_set_errno */
-static char *lcc_strescape (char *dest, const char *src, size_t dest_size) /* {{{ */
+static char *lcc_strescape(char *dest, const char *src,
+ size_t dest_size) /* {{{ */
{
size_t dest_pos;
size_t src_pos;
if ((dest == NULL) || (src == NULL))
- return (NULL);
+ return NULL;
dest_pos = 0;
src_pos = 0;
- assert (dest_size >= 3);
+ assert(dest_size >= 3);
dest[dest_pos] = '"';
dest_pos++;
- while (42)
- {
- if ((dest_pos == (dest_size - 2))
- || (src[src_pos] == 0))
+ while (42) {
+ if ((dest_pos == (dest_size - 2)) || (src[src_pos] == 0))
break;
- if ((src[src_pos] == '"') || (src[src_pos] == '\\'))
- {
+ if ((src[src_pos] == '"') || (src[src_pos] == '\\')) {
/* Check if there is enough space for both characters.. */
if (dest_pos == (dest_size - 3))
break;
src_pos++;
}
- assert (dest_pos <= (dest_size - 2));
+ assert(dest_pos <= (dest_size - 2));
dest[dest_pos] = '"';
dest_pos++;
dest_pos++;
src_pos++;
- return (dest);
+ return dest;
} /* }}} char *lcc_strescape */
/* lcc_chomp: Removes all control-characters at the end of a string. */
-static void lcc_chomp (char *str) /* {{{ */
+static void lcc_chomp(char *str) /* {{{ */
{
size_t str_len;
- str_len = strlen (str);
- while (str_len > 0)
- {
+ str_len = strlen(str);
+ while (str_len > 0) {
if (str[str_len - 1] >= 32)
break;
str[str_len - 1] = 0;
}
} /* }}} void lcc_chomp */
-static void lcc_response_free (lcc_response_t *res) /* {{{ */
+static void lcc_response_free(lcc_response_t *res) /* {{{ */
{
if (res == NULL)
return;
for (size_t i = 0; i < res->lines_num; i++)
- free (res->lines[i]);
- free (res->lines);
+ free(res->lines[i]);
+ free(res->lines);
res->lines = NULL;
} /* }}} void lcc_response_free */
-static int lcc_send (lcc_connection_t *c, const char *command) /* {{{ */
+static int lcc_send(lcc_connection_t *c, const char *command) /* {{{ */
{
int status;
- lcc_tracef ("send: --> %s\n", command);
+ lcc_tracef("send: --> %s\n", command);
- status = fprintf (c->fh, "%s\r\n", command);
- if (status < 0)
- {
- lcc_set_errno (c, errno);
- return (-1);
+ status = fprintf(c->fh, "%s\r\n", command);
+ if (status < 0) {
+ lcc_set_errno(c, errno);
+ return -1;
}
fflush(c->fh);
- return (0);
+ return 0;
} /* }}} int lcc_send */
-static int lcc_receive (lcc_connection_t *c, /* {{{ */
- lcc_response_t *ret_res)
-{
- lcc_response_t res = { 0 };
+static int lcc_receive(lcc_connection_t *c, /* {{{ */
+ lcc_response_t *ret_res) {
+ lcc_response_t res = {0};
char *ptr;
char buffer[4096];
size_t i;
/* Read the first line, containing the status and a message */
- ptr = fgets (buffer, sizeof (buffer), c->fh);
- if (ptr == NULL)
- {
- lcc_set_errno (c, errno);
- return (-1);
+ ptr = fgets(buffer, sizeof(buffer), c->fh);
+ if (ptr == NULL) {
+ lcc_set_errno(c, errno);
+ return -1;
}
- lcc_chomp (buffer);
- lcc_tracef ("receive: <-- %s\n", buffer);
+ lcc_chomp(buffer);
+ lcc_tracef("receive: <-- %s\n", buffer);
/* Convert the leading status to an integer and make `ptr' to point to the
* beginning of the message. */
ptr = NULL;
errno = 0;
- res.status = (int) strtol (buffer, &ptr, 0);
- if ((errno != 0) || (ptr == &buffer[0]))
- {
- lcc_set_errno (c, errno);
- return (-1);
+ res.status = (int)strtol(buffer, &ptr, 0);
+ if ((errno != 0) || (ptr == &buffer[0])) {
+ lcc_set_errno(c, errno);
+ return -1;
}
/* Skip white spaces after the status number */
ptr++;
/* Now copy the message. */
- strncpy (res.message, ptr, sizeof (res.message));
- res.message[sizeof (res.message) - 1] = 0;
+ strncpy(res.message, ptr, sizeof(res.message));
+ res.message[sizeof(res.message) - 1] = 0;
/* Error or no lines follow: We're done. */
- if (res.status <= 0)
- {
- memcpy (ret_res, &res, sizeof (res));
- return (0);
+ if (res.status <= 0) {
+ memcpy(ret_res, &res, sizeof(res));
+ return 0;
}
/* Allocate space for the char-pointers */
- res.lines_num = (size_t) res.status;
+ res.lines_num = (size_t)res.status;
res.status = 0;
- res.lines = malloc (res.lines_num * sizeof (*res.lines));
- if (res.lines == NULL)
- {
- lcc_set_errno (c, ENOMEM);
- return (-1);
+ res.lines = malloc(res.lines_num * sizeof(*res.lines));
+ if (res.lines == NULL) {
+ lcc_set_errno(c, ENOMEM);
+ return -1;
}
/* Now receive all the lines */
- for (i = 0; i < res.lines_num; i++)
- {
- ptr = fgets (buffer, sizeof (buffer), c->fh);
- if (ptr == NULL)
- {
- lcc_set_errno (c, errno);
+ for (i = 0; i < res.lines_num; i++) {
+ ptr = fgets(buffer, sizeof(buffer), c->fh);
+ if (ptr == NULL) {
+ lcc_set_errno(c, errno);
break;
}
- lcc_chomp (buffer);
- lcc_tracef ("receive: <-- %s\n", buffer);
+ lcc_chomp(buffer);
+ lcc_tracef("receive: <-- %s\n", buffer);
- res.lines[i] = strdup (buffer);
- if (res.lines[i] == NULL)
- {
- lcc_set_errno (c, ENOMEM);
+ res.lines[i] = strdup(buffer);
+ if (res.lines[i] == NULL) {
+ lcc_set_errno(c, ENOMEM);
break;
}
}
/* Check if the for-loop exited with an error. */
- if (i < res.lines_num)
- {
- while (i > 0)
- {
+ if (i < res.lines_num) {
+ while (i > 0) {
i--;
- free (res.lines[i]);
+ free(res.lines[i]);
}
- free (res.lines);
- return (-1);
+ free(res.lines);
+ return -1;
}
- memcpy (ret_res, &res, sizeof (res));
- return (0);
+ memcpy(ret_res, &res, sizeof(res));
+ return 0;
} /* }}} int lcc_receive */
-static int lcc_sendreceive (lcc_connection_t *c, /* {{{ */
- const char *command, lcc_response_t *ret_res)
-{
- lcc_response_t res = { 0 };
+static int lcc_sendreceive(lcc_connection_t *c, /* {{{ */
+ const char *command, lcc_response_t *ret_res) {
+ lcc_response_t res = {0};
int status;
- if (c->fh == NULL)
- {
- lcc_set_errno (c, EBADF);
- return (-1);
+ if (c->fh == NULL) {
+ lcc_set_errno(c, EBADF);
+ return -1;
}
- status = lcc_send (c, command);
+ status = lcc_send(c, command);
if (status != 0)
- return (status);
+ return status;
- status = lcc_receive (c, &res);
+ status = lcc_receive(c, &res);
if (status == 0)
- memcpy (ret_res, &res, sizeof (*ret_res));
+ memcpy(ret_res, &res, sizeof(*ret_res));
- return (status);
+ return status;
} /* }}} int lcc_sendreceive */
-static int lcc_open_unixsocket (lcc_connection_t *c, const char *path) /* {{{ */
+static int lcc_open_unixsocket(lcc_connection_t *c, const char *path) /* {{{ */
{
- struct sockaddr_un sa = { 0 };
+ struct sockaddr_un sa = {0};
int fd;
int status;
- assert (c != NULL);
- assert (c->fh == NULL);
- assert (path != NULL);
+ assert(c != NULL);
+ assert(c->fh == NULL);
+ assert(path != NULL);
/* Don't use PF_UNIX here, because it's broken on Mac OS X (10.4, possibly
* others). */
- fd = socket (AF_UNIX, SOCK_STREAM, /* protocol = */ 0);
- if (fd < 0)
- {
- lcc_set_errno (c, errno);
- return (-1);
+ fd = socket(AF_UNIX, SOCK_STREAM, /* protocol = */ 0);
+ if (fd < 0) {
+ lcc_set_errno(c, errno);
+ return -1;
}
sa.sun_family = AF_UNIX;
- strncpy (sa.sun_path, path, sizeof (sa.sun_path) - 1);
+ strncpy(sa.sun_path, path, sizeof(sa.sun_path) - 1);
- status = connect (fd, (struct sockaddr *) &sa, sizeof (sa));
- if (status != 0)
- {
- lcc_set_errno (c, errno);
- close (fd);
- return (-1);
+ status = connect(fd, (struct sockaddr *)&sa, sizeof(sa));
+ if (status != 0) {
+ lcc_set_errno(c, errno);
+ close(fd);
+ return -1;
}
- c->fh = fdopen (fd, "r+");
- if (c->fh == NULL)
- {
- lcc_set_errno (c, errno);
- close (fd);
- return (-1);
+ c->fh = fdopen(fd, "r+");
+ if (c->fh == NULL) {
+ lcc_set_errno(c, errno);
+ close(fd);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int lcc_open_unixsocket */
-static int lcc_open_netsocket (lcc_connection_t *c, /* {{{ */
- const char *addr_orig)
-{
+static int lcc_open_netsocket(lcc_connection_t *c, /* {{{ */
+ const char *addr_orig) {
struct addrinfo *ai_res;
char addr_copy[NI_MAXHOST];
char *addr;
int fd;
int status;
- assert (c != NULL);
- assert (c->fh == NULL);
- assert (addr_orig != NULL);
+ assert(c != NULL);
+ assert(c->fh == NULL);
+ assert(addr_orig != NULL);
strncpy(addr_copy, addr_orig, sizeof(addr_copy));
addr_copy[sizeof(addr_copy) - 1] = '\0';
/* `addr' is something like "[2001:780:104:2:211:24ff:feab:26f8]:12345" */
addr++;
- port = strchr (addr, ']');
- if (port == NULL)
- {
- LCC_SET_ERRSTR (c, "malformed address: %s", addr_orig);
- return (-1);
+ port = strchr(addr, ']');
+ if (port == NULL) {
+ LCC_SET_ERRSTR(c, "malformed address: %s", addr_orig);
+ return -1;
}
*port = 0;
port++;
port++;
else if (*port == 0)
port = NULL;
- else
- {
- LCC_SET_ERRSTR (c, "garbage after address: %s", port);
- return (-1);
+ else {
+ LCC_SET_ERRSTR(c, "garbage after address: %s", port);
+ return -1;
}
- } /* if (*addr = ']') */
- else if (strchr (addr, '.') != NULL) /* Hostname or IPv4 */
+ } /* if (*addr = ']') */
+ else if (strchr(addr, '.') != NULL) /* Hostname or IPv4 */
{
- port = strrchr (addr, ':');
- if (port != NULL)
- {
+ port = strrchr(addr, ':');
+ if (port != NULL) {
*port = 0;
port++;
}
}
- struct addrinfo ai_hints = {
- .ai_family = AF_UNSPEC,
- .ai_flags = AI_ADDRCONFIG,
- .ai_socktype = SOCK_STREAM
- };
+ struct addrinfo ai_hints = {.ai_family = AF_UNSPEC,
+ .ai_flags = AI_ADDRCONFIG,
+ .ai_socktype = SOCK_STREAM};
- status = getaddrinfo (addr,
- port == NULL ? LCC_DEFAULT_PORT : port,
- &ai_hints, &ai_res);
- if (status != 0)
- {
- LCC_SET_ERRSTR (c, "getaddrinfo: %s", gai_strerror (status));
- return (-1);
+ status = getaddrinfo(addr, port == NULL ? LCC_DEFAULT_PORT : port, &ai_hints,
+ &ai_res);
+ if (status != 0) {
+ LCC_SET_ERRSTR(c, "getaddrinfo: %s", gai_strerror(status));
+ return -1;
}
- for (struct addrinfo *ai_ptr = ai_res; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
- {
- fd = socket (ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol);
- if (fd < 0)
- {
+ for (struct addrinfo *ai_ptr = ai_res; ai_ptr != NULL;
+ ai_ptr = ai_ptr->ai_next) {
+ fd = socket(ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol);
+ if (fd < 0) {
status = errno;
continue;
}
- status = connect (fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
- if (status != 0)
- {
+ status = connect(fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
+ if (status != 0) {
status = errno;
- close (fd);
+ close(fd);
continue;
}
- c->fh = fdopen (fd, "r+");
- if (c->fh == NULL)
- {
+ c->fh = fdopen(fd, "r+");
+ if (c->fh == NULL) {
status = errno;
- close (fd);
+ close(fd);
continue;
}
- assert (status == 0);
+ assert(status == 0);
break;
} /* for (ai_ptr) */
- if (status != 0)
- {
- lcc_set_errno (c, status);
- freeaddrinfo (ai_res);
- return (-1);
+ if (status != 0) {
+ lcc_set_errno(c, status);
+ freeaddrinfo(ai_res);
+ return -1;
}
- freeaddrinfo (ai_res);
- return (0);
+ freeaddrinfo(ai_res);
+ return 0;
} /* }}} int lcc_open_netsocket */
-static int lcc_open_socket (lcc_connection_t *c, const char *addr) /* {{{ */
+static int lcc_open_socket(lcc_connection_t *c, const char *addr) /* {{{ */
{
int status = 0;
if (addr == NULL)
- return (-1);
+ return -1;
- assert (c != NULL);
- assert (c->fh == NULL);
- assert (addr != NULL);
+ assert(c != NULL);
+ assert(c->fh == NULL);
+ assert(addr != NULL);
- if (strncmp ("unix:", addr, strlen ("unix:")) == 0)
- status = lcc_open_unixsocket (c, addr + strlen ("unix:"));
+ if (strncmp("unix:", addr, strlen("unix:")) == 0)
+ status = lcc_open_unixsocket(c, addr + strlen("unix:"));
else if (addr[0] == '/')
- status = lcc_open_unixsocket (c, addr);
+ status = lcc_open_unixsocket(c, addr);
else
- status = lcc_open_netsocket (c, addr);
+ status = lcc_open_netsocket(c, addr);
- return (status);
+ return status;
} /* }}} int lcc_open_socket */
/*
* Public functions
*/
-unsigned int lcc_version (void) /* {{{ */
+unsigned int lcc_version(void) /* {{{ */
{
- return (LCC_VERSION);
+ return LCC_VERSION;
} /* }}} unsigned int lcc_version */
-const char *lcc_version_string (void) /* {{{ */
+const char *lcc_version_string(void) /* {{{ */
{
- return (LCC_VERSION_STRING);
+ return LCC_VERSION_STRING;
} /* }}} const char *lcc_version_string */
-const char *lcc_version_extra (void) /* {{{ */
+const char *lcc_version_extra(void) /* {{{ */
{
- return (LCC_VERSION_EXTRA);
+ return LCC_VERSION_EXTRA;
} /* }}} const char *lcc_version_extra */
-int lcc_connect (const char *address, lcc_connection_t **ret_con) /* {{{ */
+int lcc_connect(const char *address, lcc_connection_t **ret_con) /* {{{ */
{
lcc_connection_t *c;
int status;
if (address == NULL)
- return (-1);
+ return -1;
if (ret_con == NULL)
- return (-1);
+ return -1;
- c = calloc (1, sizeof (*c));
+ c = calloc(1, sizeof(*c));
if (c == NULL)
- return (-1);
+ return -1;
- status = lcc_open_socket (c, address);
- if (status != 0)
- {
- lcc_disconnect (c);
- return (status);
+ status = lcc_open_socket(c, address);
+ if (status != 0) {
+ lcc_disconnect(c);
+ return status;
}
*ret_con = c;
- return (0);
+ return 0;
} /* }}} int lcc_connect */
-int lcc_disconnect (lcc_connection_t *c) /* {{{ */
+int lcc_disconnect(lcc_connection_t *c) /* {{{ */
{
if (c == NULL)
- return (-1);
+ return -1;
- if (c->fh != NULL)
- {
- fclose (c->fh);
+ if (c->fh != NULL) {
+ fclose(c->fh);
c->fh = NULL;
}
- free (c);
- return (0);
+ free(c);
+ return 0;
} /* }}} int lcc_disconnect */
-int lcc_getval (lcc_connection_t *c, lcc_identifier_t *ident, /* {{{ */
- size_t *ret_values_num, gauge_t **ret_values, char ***ret_values_names)
-{
+int lcc_getval(lcc_connection_t *c, lcc_identifier_t *ident, /* {{{ */
+ size_t *ret_values_num, gauge_t **ret_values,
+ char ***ret_values_names) {
char ident_str[6 * LCC_NAME_LEN];
char ident_esc[12 * LCC_NAME_LEN];
char command[14 * LCC_NAME_LEN];
lcc_response_t res;
- size_t values_num;
+ size_t values_num;
gauge_t *values = NULL;
- char **values_names = NULL;
+ char **values_names = NULL;
size_t i;
int status;
if (c == NULL)
- return (-1);
+ return -1;
- if (ident == NULL)
- {
- lcc_set_errno (c, EINVAL);
- return (-1);
+ if (ident == NULL) {
+ lcc_set_errno(c, EINVAL);
+ return -1;
}
/* Build a commend with an escaped version of the identifier string. */
- status = lcc_identifier_to_string (c, ident_str, sizeof (ident_str), ident);
+ status = lcc_identifier_to_string(c, ident_str, sizeof(ident_str), ident);
if (status != 0)
- return (status);
+ return status;
- snprintf (command, sizeof (command), "GETVAL %s",
- lcc_strescape (ident_esc, ident_str, sizeof (ident_esc)));
- command[sizeof (command) - 1] = 0;
+ snprintf(command, sizeof(command), "GETVAL %s",
+ lcc_strescape(ident_esc, ident_str, sizeof(ident_esc)));
+ command[sizeof(command) - 1] = 0;
/* Send talk to the daemon.. */
- status = lcc_sendreceive (c, command, &res);
+ status = lcc_sendreceive(c, command, &res);
if (status != 0)
- return (status);
+ return status;
- if (res.status != 0)
- {
- LCC_SET_ERRSTR (c, "Server error: %s", res.message);
- lcc_response_free (&res);
- return (-1);
+ if (res.status != 0) {
+ LCC_SET_ERRSTR(c, "Server error: %s", res.message);
+ lcc_response_free(&res);
+ return -1;
}
values_num = res.lines_num;
-#define BAIL_OUT(e) do { \
- lcc_set_errno (c, (e)); \
- free (values); \
- if (values_names != NULL) { \
- for (i = 0; i < values_num; i++) { \
- free (values_names[i]); \
- } \
- } \
- free (values_names); \
- lcc_response_free (&res); \
- return (-1); \
-} while (0)
+#define BAIL_OUT(e) \
+ do { \
+ lcc_set_errno(c, (e)); \
+ free(values); \
+ if (values_names != NULL) { \
+ for (i = 0; i < values_num; i++) { \
+ free(values_names[i]); \
+ } \
+ } \
+ free(values_names); \
+ lcc_response_free(&res); \
+ return -1; \
+ } while (0)
/* If neither the values nor the names are requested, return here.. */
- if ((ret_values == NULL) && (ret_values_names == NULL))
- {
+ if ((ret_values == NULL) && (ret_values_names == NULL)) {
if (ret_values_num != NULL)
*ret_values_num = values_num;
- lcc_response_free (&res);
- return (0);
+ lcc_response_free(&res);
+ return 0;
}
/* Allocate space for the values */
- if (ret_values != NULL)
- {
- values = malloc (values_num * sizeof (*values));
+ if (ret_values != NULL) {
+ values = malloc(values_num * sizeof(*values));
if (values == NULL)
- BAIL_OUT (ENOMEM);
+ BAIL_OUT(ENOMEM);
}
- if (ret_values_names != NULL)
- {
- values_names = calloc (values_num, sizeof (*values_names));
+ if (ret_values_names != NULL) {
+ values_names = calloc(values_num, sizeof(*values_names));
if (values_names == NULL)
- BAIL_OUT (ENOMEM);
+ BAIL_OUT(ENOMEM);
}
- for (i = 0; i < res.lines_num; i++)
- {
+ for (i = 0; i < res.lines_num; i++) {
char *key;
char *value;
char *endptr;
key = res.lines[i];
- value = strchr (key, '=');
+ value = strchr(key, '=');
if (value == NULL)
- BAIL_OUT (EILSEQ);
+ BAIL_OUT(EILSEQ);
*value = 0;
value++;
- if (values != NULL)
- {
+ if (values != NULL) {
endptr = NULL;
errno = 0;
- values[i] = strtod (value, &endptr);
+ values[i] = strtod(value, &endptr);
if ((endptr == value) || (errno != 0))
- BAIL_OUT (errno);
+ BAIL_OUT(errno);
}
- if (values_names != NULL)
- {
- values_names[i] = strdup (key);
+ if (values_names != NULL) {
+ values_names[i] = strdup(key);
if (values_names[i] == NULL)
- BAIL_OUT (ENOMEM);
+ BAIL_OUT(ENOMEM);
}
} /* for (i = 0; i < res.lines_num; i++) */
if (ret_values_names != NULL)
*ret_values_names = values_names;
- lcc_response_free (&res);
+ lcc_response_free(&res);
- return (0);
+ return 0;
} /* }}} int lcc_getval */
-int lcc_putval (lcc_connection_t *c, const lcc_value_list_t *vl) /* {{{ */
+int lcc_putval(lcc_connection_t *c, const lcc_value_list_t *vl) /* {{{ */
{
char ident_str[6 * LCC_NAME_LEN];
char ident_esc[12 * LCC_NAME_LEN];
lcc_response_t res;
int status;
- if ((c == NULL) || (vl == NULL) || (vl->values_len < 1)
- || (vl->values == NULL) || (vl->values_types == NULL))
- {
- lcc_set_errno (c, EINVAL);
- return (-1);
+ if ((c == NULL) || (vl == NULL) || (vl->values_len < 1) ||
+ (vl->values == NULL) || (vl->values_types == NULL)) {
+ lcc_set_errno(c, EINVAL);
+ return -1;
}
- status = lcc_identifier_to_string (c, ident_str, sizeof (ident_str),
- &vl->identifier);
+ status = lcc_identifier_to_string(c, ident_str, sizeof(ident_str),
+ &vl->identifier);
if (status != 0)
- return (status);
+ return status;
- SSTRCATF (command, "PUTVAL %s",
- lcc_strescape (ident_esc, ident_str, sizeof (ident_esc)));
+ SSTRCATF(command, "PUTVAL %s",
+ lcc_strescape(ident_esc, ident_str, sizeof(ident_esc)));
if (vl->interval > 0.0)
- SSTRCATF (command, " interval=%.3f", vl->interval);
+ SSTRCATF(command, " interval=%.3f", vl->interval);
if (vl->time > 0.0)
- SSTRCATF (command, " %.3f", vl->time);
+ SSTRCATF(command, " %.3f", vl->time);
else
- SSTRCAT (command, " N");
+ SSTRCAT(command, " N");
- for (size_t i = 0; i < vl->values_len; i++)
- {
+ for (size_t i = 0; i < vl->values_len; i++) {
if (vl->values_types[i] == LCC_TYPE_COUNTER)
- SSTRCATF (command, ":%"PRIu64, vl->values[i].counter);
- else if (vl->values_types[i] == LCC_TYPE_GAUGE)
- {
- if (isnan (vl->values[i].gauge))
- SSTRCATF (command, ":U");
+ SSTRCATF(command, ":%" PRIu64, vl->values[i].counter);
+ else if (vl->values_types[i] == LCC_TYPE_GAUGE) {
+ if (isnan(vl->values[i].gauge))
+ SSTRCATF(command, ":U");
else
- SSTRCATF (command, ":%g", vl->values[i].gauge);
- }
- else if (vl->values_types[i] == LCC_TYPE_DERIVE)
- SSTRCATF (command, ":%"PRIu64, vl->values[i].derive);
+ SSTRCATF(command, ":%g", vl->values[i].gauge);
+ } else if (vl->values_types[i] == LCC_TYPE_DERIVE)
+ SSTRCATF(command, ":%" PRIu64, vl->values[i].derive);
else if (vl->values_types[i] == LCC_TYPE_ABSOLUTE)
- SSTRCATF (command, ":%"PRIu64, vl->values[i].absolute);
+ SSTRCATF(command, ":%" PRIu64, vl->values[i].absolute);
} /* for (i = 0; i < vl->values_len; i++) */
- status = lcc_sendreceive (c, command, &res);
+ status = lcc_sendreceive(c, command, &res);
if (status != 0)
- return (status);
+ return status;
- if (res.status != 0)
- {
- LCC_SET_ERRSTR (c, "Server error: %s", res.message);
- lcc_response_free (&res);
- return (-1);
+ if (res.status != 0) {
+ LCC_SET_ERRSTR(c, "Server error: %s", res.message);
+ lcc_response_free(&res);
+ return -1;
}
- lcc_response_free (&res);
- return (0);
+ lcc_response_free(&res);
+ return 0;
} /* }}} int lcc_putval */
-int lcc_flush (lcc_connection_t *c, const char *plugin, /* {{{ */
- lcc_identifier_t *ident, int timeout)
-{
+int lcc_flush(lcc_connection_t *c, const char *plugin, /* {{{ */
+ lcc_identifier_t *ident, int timeout) {
char command[1024] = "";
lcc_response_t res;
int status;
- if (c == NULL)
- {
- lcc_set_errno (c, EINVAL);
- return (-1);
+ if (c == NULL) {
+ lcc_set_errno(c, EINVAL);
+ return -1;
}
- SSTRCPY (command, "FLUSH");
+ SSTRCPY(command, "FLUSH");
if (timeout > 0)
- SSTRCATF (command, " timeout=%i", timeout);
+ SSTRCATF(command, " timeout=%i", timeout);
- if (plugin != NULL)
- {
+ if (plugin != NULL) {
char buffer[2 * LCC_NAME_LEN];
- SSTRCATF (command, " plugin=%s",
- lcc_strescape (buffer, plugin, sizeof (buffer)));
+ SSTRCATF(command, " plugin=%s",
+ lcc_strescape(buffer, plugin, sizeof(buffer)));
}
- if (ident != NULL)
- {
+ if (ident != NULL) {
char ident_str[6 * LCC_NAME_LEN];
char ident_esc[12 * LCC_NAME_LEN];
- status = lcc_identifier_to_string (c, ident_str, sizeof (ident_str), ident);
+ status = lcc_identifier_to_string(c, ident_str, sizeof(ident_str), ident);
if (status != 0)
- return (status);
+ return status;
- SSTRCATF (command, " identifier=%s",
- lcc_strescape (ident_esc, ident_str, sizeof (ident_esc)));
+ SSTRCATF(command, " identifier=%s",
+ lcc_strescape(ident_esc, ident_str, sizeof(ident_esc)));
}
- status = lcc_sendreceive (c, command, &res);
+ status = lcc_sendreceive(c, command, &res);
if (status != 0)
- return (status);
+ return status;
- if (res.status != 0)
- {
- LCC_SET_ERRSTR (c, "Server error: %s", res.message);
- lcc_response_free (&res);
- return (-1);
+ if (res.status != 0) {
+ LCC_SET_ERRSTR(c, "Server error: %s", res.message);
+ lcc_response_free(&res);
+ return -1;
}
- lcc_response_free (&res);
- return (0);
+ lcc_response_free(&res);
+ return 0;
} /* }}} int lcc_flush */
/* TODO: Implement lcc_putnotif */
-int lcc_listval (lcc_connection_t *c, /* {{{ */
- lcc_identifier_t **ret_ident, size_t *ret_ident_num)
-{
+int lcc_listval(lcc_connection_t *c, /* {{{ */
+ lcc_identifier_t **ret_ident, size_t *ret_ident_num) {
lcc_response_t res;
int status;
size_t ident_num;
if (c == NULL)
- return (-1);
+ return -1;
- if ((ret_ident == NULL) || (ret_ident_num == NULL))
- {
- lcc_set_errno (c, EINVAL);
- return (-1);
+ if ((ret_ident == NULL) || (ret_ident_num == NULL)) {
+ lcc_set_errno(c, EINVAL);
+ return -1;
}
- status = lcc_sendreceive (c, "LISTVAL", &res);
+ status = lcc_sendreceive(c, "LISTVAL", &res);
if (status != 0)
- return (status);
+ return status;
- if (res.status != 0)
- {
- LCC_SET_ERRSTR (c, "Server error: %s", res.message);
- lcc_response_free (&res);
- return (-1);
+ if (res.status != 0) {
+ LCC_SET_ERRSTR(c, "Server error: %s", res.message);
+ lcc_response_free(&res);
+ return -1;
}
ident_num = res.lines_num;
- ident = malloc (ident_num * sizeof (*ident));
- if (ident == NULL)
- {
- lcc_response_free (&res);
- lcc_set_errno (c, ENOMEM);
- return (-1);
+ ident = malloc(ident_num * sizeof(*ident));
+ if (ident == NULL) {
+ lcc_response_free(&res);
+ lcc_set_errno(c, ENOMEM);
+ return -1;
}
- for (size_t i = 0; i < res.lines_num; i++)
- {
+ for (size_t i = 0; i < res.lines_num; i++) {
char *time_str;
char *ident_str;
ident_str = time_str;
while ((*ident_str != ' ') && (*ident_str != '\t') && (*ident_str != 0))
ident_str++;
- while ((*ident_str == ' ') || (*ident_str == '\t'))
- {
+ while ((*ident_str == ' ') || (*ident_str == '\t')) {
*ident_str = 0;
ident_str++;
}
- if (*ident_str == 0)
- {
- lcc_set_errno (c, EILSEQ);
+ if (*ident_str == 0) {
+ lcc_set_errno(c, EILSEQ);
status = -1;
break;
}
- status = lcc_string_to_identifier (c, ident + i, ident_str);
+ status = lcc_string_to_identifier(c, ident + i, ident_str);
if (status != 0)
break;
}
- lcc_response_free (&res);
+ lcc_response_free(&res);
- if (status != 0)
- {
- free (ident);
- return (-1);
+ if (status != 0) {
+ free(ident);
+ return -1;
}
*ret_ident = ident;
*ret_ident_num = ident_num;
- return (0);
+ return 0;
} /* }}} int lcc_listval */
-const char *lcc_strerror (lcc_connection_t *c) /* {{{ */
+const char *lcc_strerror(lcc_connection_t *c) /* {{{ */
{
if (c == NULL)
- return ("Invalid object");
- return (c->errbuf);
+ return "Invalid object";
+ return c->errbuf;
} /* }}} const char *lcc_strerror */
-int lcc_identifier_to_string (lcc_connection_t *c, /* {{{ */
- char *string, size_t string_size, const lcc_identifier_t *ident)
-{
- if ((string == NULL) || (string_size < 6) || (ident == NULL))
- {
- lcc_set_errno (c, EINVAL);
- return (-1);
+int lcc_identifier_to_string(lcc_connection_t *c, /* {{{ */
+ char *string, size_t string_size,
+ const lcc_identifier_t *ident) {
+ if ((string == NULL) || (string_size < 6) || (ident == NULL)) {
+ lcc_set_errno(c, EINVAL);
+ return -1;
}
- if (ident->plugin_instance[0] == 0)
- {
+ if (ident->plugin_instance[0] == 0) {
if (ident->type_instance[0] == 0)
- snprintf (string, string_size, "%s/%s/%s",
- ident->host,
- ident->plugin,
- ident->type);
+ snprintf(string, string_size, "%s/%s/%s", ident->host, ident->plugin,
+ ident->type);
else
- snprintf (string, string_size, "%s/%s/%s-%s",
- ident->host,
- ident->plugin,
- ident->type,
- ident->type_instance);
- }
- else
- {
+ snprintf(string, string_size, "%s/%s/%s-%s", ident->host, ident->plugin,
+ ident->type, ident->type_instance);
+ } else {
if (ident->type_instance[0] == 0)
- snprintf (string, string_size, "%s/%s-%s/%s",
- ident->host,
- ident->plugin,
- ident->plugin_instance,
- ident->type);
+ snprintf(string, string_size, "%s/%s-%s/%s", ident->host, ident->plugin,
+ ident->plugin_instance, ident->type);
else
- snprintf (string, string_size, "%s/%s-%s/%s-%s",
- ident->host,
- ident->plugin,
- ident->plugin_instance,
- ident->type,
- ident->type_instance);
+ snprintf(string, string_size, "%s/%s-%s/%s-%s", ident->host,
+ ident->plugin, ident->plugin_instance, ident->type,
+ ident->type_instance);
}
string[string_size - 1] = 0;
- return (0);
+ return 0;
} /* }}} int lcc_identifier_to_string */
-int lcc_string_to_identifier (lcc_connection_t *c, /* {{{ */
- lcc_identifier_t *ident, const char *string)
-{
+int lcc_string_to_identifier(lcc_connection_t *c, /* {{{ */
+ lcc_identifier_t *ident, const char *string) {
char *string_copy;
char *host;
char *plugin;
char *type;
char *type_instance;
- string_copy = strdup (string);
- if (string_copy == NULL)
- {
- lcc_set_errno (c, ENOMEM);
- return (-1);
+ string_copy = strdup(string);
+ if (string_copy == NULL) {
+ lcc_set_errno(c, ENOMEM);
+ return -1;
}
host = string_copy;
- plugin = strchr (host, '/');
- if (plugin == NULL)
- {
- LCC_SET_ERRSTR (c, "Malformed identifier string: %s", string);
- free (string_copy);
- return (-1);
+ plugin = strchr(host, '/');
+ if (plugin == NULL) {
+ LCC_SET_ERRSTR(c, "Malformed identifier string: %s", string);
+ free(string_copy);
+ return -1;
}
*plugin = 0;
plugin++;
- type = strchr (plugin, '/');
- if (type == NULL)
- {
- LCC_SET_ERRSTR (c, "Malformed identifier string: %s", string);
- free (string_copy);
- return (-1);
+ type = strchr(plugin, '/');
+ if (type == NULL) {
+ LCC_SET_ERRSTR(c, "Malformed identifier string: %s", string);
+ free(string_copy);
+ return -1;
}
*type = 0;
type++;
- plugin_instance = strchr (plugin, '-');
- if (plugin_instance != NULL)
- {
+ plugin_instance = strchr(plugin, '-');
+ if (plugin_instance != NULL) {
*plugin_instance = 0;
plugin_instance++;
}
- type_instance = strchr (type, '-');
- if (type_instance != NULL)
- {
+ type_instance = strchr(type, '-');
+ if (type_instance != NULL) {
*type_instance = 0;
type_instance++;
}
- memset (ident, 0, sizeof (*ident));
+ memset(ident, 0, sizeof(*ident));
- SSTRCPY (ident->host, host);
- SSTRCPY (ident->plugin, plugin);
+ SSTRCPY(ident->host, host);
+ SSTRCPY(ident->plugin, plugin);
if (plugin_instance != NULL)
- SSTRCPY (ident->plugin_instance, plugin_instance);
- SSTRCPY (ident->type, type);
+ SSTRCPY(ident->plugin_instance, plugin_instance);
+ SSTRCPY(ident->type, type);
if (type_instance != NULL)
- SSTRCPY (ident->type_instance, type_instance);
+ SSTRCPY(ident->type_instance, type_instance);
- free (string_copy);
- return (0);
+ free(string_copy);
+ return 0;
} /* }}} int lcc_string_to_identifier */
-int lcc_identifier_compare (const void *a, /* {{{ */
- const void *b)
-{
+int lcc_identifier_compare(const void *a, /* {{{ */
+ const void *b) {
const lcc_identifier_t *i0 = a;
const lcc_identifier_t *i1 = b;
int status;
if ((i0 == NULL) && (i1 == NULL))
- return (0);
+ return 0;
else if (i0 == NULL)
- return (-1);
+ return -1;
else if (i1 == NULL)
- return (1);
+ return 1;
-#define CMP_FIELD(f) do { \
- status = strcmp (i0->f, i1->f); \
- if (status != 0) \
- return (status); \
-} while (0);
+#define CMP_FIELD(f) \
+ do { \
+ status = strcmp(i0->f, i1->f); \
+ if (status != 0) \
+ return status; \
+ } while (0);
- CMP_FIELD (host);
- CMP_FIELD (plugin);
- CMP_FIELD (plugin_instance);
- CMP_FIELD (type);
- CMP_FIELD (type_instance);
+ CMP_FIELD(host);
+ CMP_FIELD(plugin);
+ CMP_FIELD(plugin_instance);
+ CMP_FIELD(type);
+ CMP_FIELD(type_instance);
#undef CMP_FIELD
- return (0);
+ return 0;
} /* }}} int lcc_identifier_compare */
-int lcc_sort_identifiers (lcc_connection_t *c, /* {{{ */
- lcc_identifier_t *idents, size_t idents_num)
-{
- if (idents == NULL)
- {
- lcc_set_errno (c, EINVAL);
- return (-1);
+int lcc_sort_identifiers(lcc_connection_t *c, /* {{{ */
+ lcc_identifier_t *idents, size_t idents_num) {
+ if (idents == NULL) {
+ lcc_set_errno(c, EINVAL);
+ return -1;
}
- qsort (idents, idents_num, sizeof (*idents),
- lcc_identifier_compare);
- return (0);
+ qsort(idents, idents_num, sizeof(*idents), lcc_identifier_compare);
+ return 0;
} /* }}} int lcc_sort_identifiers */
-
-/* vim: set sw=2 sts=2 et fdm=marker : */
projects / collectd.git / blobdiff