**/
#if HAVE_CONFIG_H
-# include "config.h"
+#include "config.h"
#endif
#include "collectd.h"
#include "utils_cache.h"
#ifdef HAVE_MATH_H
-# include <math.h>
+#include <math.h>
#endif
/* for getaddrinfo */
-#include <sys/types.h>
#include <netdb.h>
+#include <sys/types.h>
#include <poll.h>
#if HAVE_NETINET_IN_H
-# include <netinet/in.h>
+#include <netinet/in.h>
#endif
#if HAVE_NETINET_TCP_H
-# include <netinet/tcp.h>
+#include <netinet/tcp.h>
#endif
/* for ntohl and htonl */
#if HAVE_ARPA_INET_H
+#include <arpa/inet.h>
#endif
#if HAVE_CAPABILITY
-# include <sys/capability.h>
+#include <sys/capability.h>
#endif
#ifdef HAVE_LIBKSTAT
/* AIX doesn't have MSG_DONTWAIT */
#ifndef MSG_DONTWAIT
-# define MSG_DONTWAIT MSG_NONBLOCK
+#define MSG_DONTWAIT MSG_NONBLOCK
#endif
#if !HAVE_GETPWNAM_R
static pthread_mutex_t strerror_r_lock = PTHREAD_MUTEX_INITIALIZER;
#endif
-char *sstrncpy (char *dest, const char *src, size_t n)
-{
- strncpy (dest, src, n);
- dest[n - 1] = '\0';
+char *sstrncpy(char *dest, const char *src, size_t n) {
+ strncpy(dest, src, n);
+ dest[n - 1] = '\0';
- return (dest);
+ return (dest);
} /* char *sstrncpy */
-int ssnprintf (char *dest, size_t n, const char *format, ...)
-{
- int ret = 0;
- va_list ap;
+int ssnprintf(char *dest, size_t n, const char *format, ...) {
+ int ret = 0;
+ va_list ap;
- va_start (ap, format);
- ret = vsnprintf (dest, n, format, ap);
- dest[n - 1] = '\0';
- va_end (ap);
+ va_start(ap, format);
+ ret = vsnprintf(dest, n, format, ap);
+ dest[n - 1] = '\0';
+ va_end(ap);
- return (ret);
+ return (ret);
} /* int ssnprintf */
-char *ssnprintf_alloc (char const *format, ...) /* {{{ */
+char *ssnprintf_alloc(char const *format, ...) /* {{{ */
{
- char static_buffer[1024] = "";
- char *alloc_buffer;
- size_t alloc_buffer_size;
- int status;
- va_list ap;
-
- /* Try printing into the static buffer. In many cases it will be
- * sufficiently large and we can simply return a strdup() of this
- * buffer. */
- va_start (ap, format);
- status = vsnprintf (static_buffer, sizeof (static_buffer), format, ap);
- va_end (ap);
- if (status < 0)
- return (NULL);
-
- /* "status" does not include the null byte. */
- alloc_buffer_size = (size_t) (status + 1);
- if (alloc_buffer_size <= sizeof (static_buffer))
- return (strdup (static_buffer));
-
- /* Allocate a buffer large enough to hold the string. */
- alloc_buffer = calloc (1, alloc_buffer_size);
- if (alloc_buffer == NULL)
- return (NULL);
-
- /* Print again into this new buffer. */
- va_start (ap, format);
- status = vsnprintf (alloc_buffer, alloc_buffer_size, format, ap);
- va_end (ap);
- if (status < 0)
- {
- sfree (alloc_buffer);
- return (NULL);
- }
-
- return (alloc_buffer);
+ char static_buffer[1024] = "";
+ char *alloc_buffer;
+ size_t alloc_buffer_size;
+ int status;
+ va_list ap;
+
+ /* Try printing into the static buffer. In many cases it will be
+ * sufficiently large and we can simply return a strdup() of this
+ * buffer. */
+ va_start(ap, format);
+ status = vsnprintf(static_buffer, sizeof(static_buffer), format, ap);
+ va_end(ap);
+ if (status < 0)
+ return (NULL);
+
+ /* "status" does not include the null byte. */
+ alloc_buffer_size = (size_t)(status + 1);
+ if (alloc_buffer_size <= sizeof(static_buffer))
+ return (strdup(static_buffer));
+
+ /* Allocate a buffer large enough to hold the string. */
+ alloc_buffer = calloc(1, alloc_buffer_size);
+ if (alloc_buffer == NULL)
+ return (NULL);
+
+ /* Print again into this new buffer. */
+ va_start(ap, format);
+ status = vsnprintf(alloc_buffer, alloc_buffer_size, format, ap);
+ va_end(ap);
+ if (status < 0) {
+ sfree(alloc_buffer);
+ return (NULL);
+ }
+
+ return (alloc_buffer);
} /* }}} char *ssnprintf_alloc */
-char *sstrdup (const char *s)
-{
- char *r;
- size_t sz;
-
- if (s == NULL)
- return (NULL);
-
- /* Do not use `strdup' here, because it's not specified in POSIX. It's
- * ``only'' an XSI extension. */
- sz = strlen (s) + 1;
- r = malloc (sz);
- if (r == NULL)
- {
- ERROR ("sstrdup: Out of memory.");
- exit (3);
- }
- memcpy (r, s, sizeof (char) * sz);
-
- return (r);
+char *sstrdup(const char *s) {
+ char *r;
+ size_t sz;
+
+ if (s == NULL)
+ return (NULL);
+
+ /* Do not use `strdup' here, because it's not specified in POSIX. It's
+ * ``only'' an XSI extension. */
+ sz = strlen(s) + 1;
+ r = malloc(sz);
+ if (r == NULL) {
+ ERROR("sstrdup: Out of memory.");
+ exit(3);
+ }
+ memcpy(r, s, sizeof(char) * sz);
+
+ return (r);
} /* char *sstrdup */
/* 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 */
-char *sstrerror (int errnum, char *buf, size_t buflen)
-{
- buf[0] = '\0';
+char *sstrerror(int errnum, char *buf, size_t buflen) {
+ buf[0] = '\0';
#if !HAVE_STRERROR_R
- {
- char *temp;
+ {
+ char *temp;
- pthread_mutex_lock (&strerror_r_lock);
+ pthread_mutex_lock(&strerror_r_lock);
- temp = strerror (errnum);
- sstrncpy (buf, temp, buflen);
+ temp = strerror(errnum);
+ sstrncpy(buf, temp, buflen);
- pthread_mutex_unlock (&strerror_r_lock);
- }
+ pthread_mutex_unlock(&strerror_r_lock);
+ }
/* #endif !HAVE_STRERROR_R */
#elif STRERROR_R_CHAR_P
- {
- char *temp;
- temp = strerror_r (errnum, buf, buflen);
- if (buf[0] == '\0')
- {
- if ((temp != NULL) && (temp != buf) && (temp[0] != '\0'))
- sstrncpy (buf, temp, buflen);
- else
- sstrncpy (buf, "strerror_r did not return "
- "an error message", buflen);
- }
- }
+ {
+ char *temp;
+ temp = strerror_r(errnum, buf, buflen);
+ if (buf[0] == '\0') {
+ if ((temp != NULL) && (temp != buf) && (temp[0] != '\0'))
+ sstrncpy(buf, temp, buflen);
+ else
+ sstrncpy(buf, "strerror_r did not return "
+ "an error message",
+ buflen);
+ }
+ }
/* #endif STRERROR_R_CHAR_P */
#else
- if (strerror_r (errnum, buf, buflen) != 0)
- {
- ssnprintf (buf, buflen, "Error #%i; "
- "Additionally, strerror_r failed.",
- errnum);
- }
+ if (strerror_r(errnum, buf, buflen) != 0) {
+ ssnprintf(buf, buflen, "Error #%i; "
+ "Additionally, strerror_r failed.",
+ errnum);
+ }
#endif /* STRERROR_R_CHAR_P */
- return (buf);
+ return (buf);
} /* char *sstrerror */
-void *smalloc (size_t size)
-{
- void *r;
+void *smalloc(size_t size) {
+ void *r;
- if ((r = malloc (size)) == NULL)
- {
- ERROR ("Not enough memory.");
- exit (3);
- }
+ if ((r = malloc(size)) == NULL) {
+ ERROR("Not enough memory.");
+ exit(3);
+ }
- return (r);
+ return (r);
} /* void *smalloc */
#if 0
}
#endif
-ssize_t sread (int fd, void *buf, size_t count)
-{
- char *ptr;
- size_t nleft;
- ssize_t status;
+ssize_t sread(int fd, void *buf, size_t count) {
+ char *ptr;
+ size_t nleft;
+ ssize_t status;
- ptr = (char *) buf;
- nleft = count;
+ ptr = (char *)buf;
+ nleft = count;
- while (nleft > 0)
- {
- status = read (fd, (void *) ptr, nleft);
+ while (nleft > 0) {
+ status = read(fd, (void *)ptr, nleft);
- if ((status < 0) && ((errno == EAGAIN) || (errno == EINTR)))
- continue;
+ if ((status < 0) && ((errno == EAGAIN) || (errno == EINTR)))
+ continue;
- if (status < 0)
- return (status);
+ if (status < 0)
+ return (status);
- if (status == 0)
- {
- DEBUG ("Received EOF from fd %i. "
- "Closing fd and returning error.",
- fd);
- close (fd);
- return (-1);
- }
+ if (status == 0) {
+ DEBUG("Received EOF from fd %i. "
+ "Closing fd and returning error.",
+ fd);
+ close(fd);
+ return (-1);
+ }
- assert ((0 > status) || (nleft >= (size_t)status));
+ assert((0 > status) || (nleft >= (size_t)status));
- nleft = nleft - ((size_t) status);
- ptr = ptr + ((size_t) status);
- }
+ nleft = nleft - ((size_t)status);
+ ptr = ptr + ((size_t)status);
+ }
- return (0);
+ return (0);
}
+ssize_t swrite(int fd, const void *buf, size_t count) {
+ const char *ptr;
+ size_t nleft;
+ ssize_t status;
+ struct pollfd pfd;
+
+ ptr = (const char *)buf;
+ nleft = count;
+
+ if (fd < 0)
+ return (-1);
+
+ /* checking for closed peer connection */
+ pfd.fd = fd;
+ pfd.events = POLLIN | POLLHUP;
+ pfd.revents = 0;
+ if (poll(&pfd, 1, 0) > 0) {
+ char buffer[32];
+ if (recv(fd, buffer, sizeof(buffer), MSG_PEEK | MSG_DONTWAIT) == 0) {
+ // if recv returns zero (even though poll() said there is data to be
+ // read),
+ // that means the connection has been closed
+ return -1;
+ }
+ }
+
+ while (nleft > 0) {
+ status = write(fd, (const void *)ptr, nleft);
-ssize_t swrite (int fd, const void *buf, size_t count)
-{
- const char *ptr;
- size_t nleft;
- ssize_t status;
- struct pollfd pfd;
-
- ptr = (const char *) buf;
- nleft = count;
-
- if (fd < 0)
- return (-1);
-
- /* checking for closed peer connection */
- pfd.fd = fd;
- pfd.events = POLLIN | POLLHUP;
- pfd.revents = 0;
- if (poll(&pfd, 1, 0) > 0) {
- char buffer[32];
- if (recv(fd, buffer, sizeof(buffer), MSG_PEEK | MSG_DONTWAIT) == 0) {
- // if recv returns zero (even though poll() said there is data to be read),
- // that means the connection has been closed
- return -1;
- }
- }
-
- while (nleft > 0)
- {
- status = write (fd, (const void *) ptr, nleft);
-
- if ((status < 0) && ((errno == EAGAIN) || (errno == EINTR)))
- continue;
-
- if (status < 0)
- return (status);
-
- nleft = nleft - ((size_t) status);
- ptr = ptr + ((size_t) status);
- }
-
- return (0);
+ if ((status < 0) && ((errno == EAGAIN) || (errno == EINTR)))
+ continue;
+
+ if (status < 0)
+ return (status);
+
+ nleft = nleft - ((size_t)status);
+ ptr = ptr + ((size_t)status);
+ }
+
+ return (0);
}
-int strsplit (char *string, char **fields, size_t size)
-{
- size_t i;
- char *ptr;
- char *saveptr;
-
- i = 0;
- ptr = string;
- saveptr = NULL;
- while ((fields[i] = strtok_r (ptr, " \t\r\n", &saveptr)) != NULL)
- {
- ptr = NULL;
- i++;
-
- if (i >= size)
- break;
- }
-
- return ((int) i);
+int strsplit(char *string, char **fields, size_t size) {
+ size_t i;
+ char *ptr;
+ char *saveptr;
+
+ i = 0;
+ ptr = string;
+ saveptr = NULL;
+ while ((fields[i] = strtok_r(ptr, " \t\r\n", &saveptr)) != NULL) {
+ ptr = NULL;
+ i++;
+
+ if (i >= size)
+ break;
+ }
+
+ return ((int)i);
}
int strjoin(char *buffer, size_t buffer_size, char **fields, size_t fields_num,
return (int)buffer_req;
}
-int escape_string (char *buffer, size_t buffer_size)
-{
+int escape_string(char *buffer, size_t buffer_size) {
char *temp;
size_t j;
/* Check if we need to escape at all first */
- temp = strpbrk (buffer, " \t\"\\");
+ temp = strpbrk(buffer, " \t\"\\");
if (temp == NULL)
return (0);
if (buffer_size < 3)
return (EINVAL);
- temp = calloc (1, buffer_size);
+ temp = calloc(1, buffer_size);
if (temp == NULL)
return (ENOMEM);
temp[0] = '"';
j = 1;
- for (size_t i = 0; i < buffer_size; i++)
- {
- if (buffer[i] == 0)
- {
+ for (size_t i = 0; i < buffer_size; i++) {
+ if (buffer[i] == 0) {
break;
- }
- else if ((buffer[i] == '"') || (buffer[i] == '\\'))
- {
+ } else if ((buffer[i] == '"') || (buffer[i] == '\\')) {
if (j > (buffer_size - 4))
break;
temp[j] = '\\';
temp[j + 1] = buffer[i];
j += 2;
- }
- else
- {
+ } else {
if (j > (buffer_size - 3))
break;
temp[j] = buffer[i];
}
}
- assert ((j + 1) < buffer_size);
+ assert((j + 1) < buffer_size);
temp[j] = '"';
temp[j + 1] = 0;
- sstrncpy (buffer, temp, buffer_size);
- sfree (temp);
+ sstrncpy(buffer, temp, buffer_size);
+ sfree(temp);
return (0);
} /* int escape_string */
-int strunescape (char *buf, size_t buf_len)
-{
- for (size_t i = 0; (i < buf_len) && (buf[i] != '\0'); ++i)
- {
- if (buf[i] != '\\')
- continue;
-
- if (((i + 1) >= buf_len) || (buf[i + 1] == 0)) {
- ERROR ("string unescape: backslash found at end of string.");
- /* Ensure null-byte at the end of the buffer. */
- buf[i] = 0;
- return (-1);
- }
-
- switch (buf[i + 1]) {
- case 't':
- buf[i] = '\t';
- break;
- case 'n':
- buf[i] = '\n';
- break;
- case 'r':
- buf[i] = '\r';
- break;
- default:
- buf[i] = buf[i + 1];
- break;
- }
-
- /* Move everything after the position one position to the left.
- * Add a null-byte as last character in the buffer. */
- memmove (buf + i + 1, buf + i + 2, buf_len - i - 2);
- buf[buf_len - 1] = 0;
- }
- return (0);
+int strunescape(char *buf, size_t buf_len) {
+ for (size_t i = 0; (i < buf_len) && (buf[i] != '\0'); ++i) {
+ if (buf[i] != '\\')
+ continue;
+
+ if (((i + 1) >= buf_len) || (buf[i + 1] == 0)) {
+ ERROR("string unescape: backslash found at end of string.");
+ /* Ensure null-byte at the end of the buffer. */
+ buf[i] = 0;
+ return (-1);
+ }
+
+ switch (buf[i + 1]) {
+ case 't':
+ buf[i] = '\t';
+ break;
+ case 'n':
+ buf[i] = '\n';
+ break;
+ case 'r':
+ buf[i] = '\r';
+ break;
+ default:
+ buf[i] = buf[i + 1];
+ break;
+ }
+
+ /* Move everything after the position one position to the left.
+ * Add a null-byte as last character in the buffer. */
+ memmove(buf + i + 1, buf + i + 2, buf_len - i - 2);
+ buf[buf_len - 1] = 0;
+ }
+ return (0);
} /* int strunescape */
-size_t strstripnewline (char *buffer)
-{
- size_t buffer_len = strlen (buffer);
-
- while (buffer_len > 0)
- {
- if ((buffer[buffer_len - 1] != '\n')
- && (buffer[buffer_len - 1] != '\r'))
- break;
- buffer_len--;
- buffer[buffer_len] = 0;
- }
-
- return (buffer_len);
+size_t strstripnewline(char *buffer) {
+ size_t buffer_len = strlen(buffer);
+
+ while (buffer_len > 0) {
+ if ((buffer[buffer_len - 1] != '\n') && (buffer[buffer_len - 1] != '\r'))
+ break;
+ buffer_len--;
+ buffer[buffer_len] = 0;
+ }
+
+ return (buffer_len);
} /* size_t strstripnewline */
-int escape_slashes (char *buffer, size_t buffer_size)
-{
- size_t buffer_len;
-
- buffer_len = strlen (buffer);
-
- if (buffer_len <= 1)
- {
- if (strcmp ("/", buffer) == 0)
- {
- if (buffer_size < 5)
- return (-1);
- sstrncpy (buffer, "root", buffer_size);
- }
- return (0);
- }
-
- /* Move one to the left */
- if (buffer[0] == '/')
- {
- memmove (buffer, buffer + 1, buffer_len);
- buffer_len--;
- }
-
- for (size_t i = 0; i < buffer_len; i++)
- {
- if (buffer[i] == '/')
- buffer[i] = '_';
- }
-
- return (0);
+int escape_slashes(char *buffer, size_t buffer_size) {
+ size_t buffer_len;
+
+ buffer_len = strlen(buffer);
+
+ if (buffer_len <= 1) {
+ if (strcmp("/", buffer) == 0) {
+ if (buffer_size < 5)
+ return (-1);
+ sstrncpy(buffer, "root", buffer_size);
+ }
+ return (0);
+ }
+
+ /* Move one to the left */
+ if (buffer[0] == '/') {
+ memmove(buffer, buffer + 1, buffer_len);
+ buffer_len--;
+ }
+
+ for (size_t i = 0; i < buffer_len; i++) {
+ if (buffer[i] == '/')
+ buffer[i] = '_';
+ }
+
+ return (0);
} /* int escape_slashes */
-void replace_special (char *buffer, size_t buffer_size)
-{
- for (size_t i = 0; i < buffer_size; i++)
- {
- if (buffer[i] == 0)
- return;
- if ((!isalnum ((int) buffer[i])) && (buffer[i] != '-'))
- buffer[i] = '_';
- }
+void replace_special(char *buffer, size_t buffer_size) {
+ for (size_t i = 0; i < buffer_size; i++) {
+ if (buffer[i] == 0)
+ return;
+ if ((!isalnum((int)buffer[i])) && (buffer[i] != '-'))
+ buffer[i] = '_';
+ }
} /* void replace_special */
-int timeval_cmp (struct timeval tv0, struct timeval tv1, struct timeval *delta)
-{
- struct timeval *larger;
- struct timeval *smaller;
-
- int status;
-
- NORMALIZE_TIMEVAL (tv0);
- NORMALIZE_TIMEVAL (tv1);
-
- if ((tv0.tv_sec == tv1.tv_sec) && (tv0.tv_usec == tv1.tv_usec))
- {
- if (delta != NULL) {
- delta->tv_sec = 0;
- delta->tv_usec = 0;
- }
- return (0);
- }
-
- if ((tv0.tv_sec < tv1.tv_sec)
- || ((tv0.tv_sec == tv1.tv_sec) && (tv0.tv_usec < tv1.tv_usec)))
- {
- larger = &tv1;
- smaller = &tv0;
- status = -1;
- }
- else
- {
- larger = &tv0;
- smaller = &tv1;
- status = 1;
- }
-
- if (delta != NULL) {
- delta->tv_sec = larger->tv_sec - smaller->tv_sec;
-
- if (smaller->tv_usec <= larger->tv_usec)
- delta->tv_usec = larger->tv_usec - smaller->tv_usec;
- else
- {
- --delta->tv_sec;
- delta->tv_usec = 1000000 + larger->tv_usec - smaller->tv_usec;
- }
- }
-
- assert ((delta == NULL)
- || ((0 <= delta->tv_usec) && (delta->tv_usec < 1000000)));
-
- return (status);
+int timeval_cmp(struct timeval tv0, struct timeval tv1, struct timeval *delta) {
+ struct timeval *larger;
+ struct timeval *smaller;
+
+ int status;
+
+ NORMALIZE_TIMEVAL(tv0);
+ NORMALIZE_TIMEVAL(tv1);
+
+ if ((tv0.tv_sec == tv1.tv_sec) && (tv0.tv_usec == tv1.tv_usec)) {
+ if (delta != NULL) {
+ delta->tv_sec = 0;
+ delta->tv_usec = 0;
+ }
+ return (0);
+ }
+
+ if ((tv0.tv_sec < tv1.tv_sec) ||
+ ((tv0.tv_sec == tv1.tv_sec) && (tv0.tv_usec < tv1.tv_usec))) {
+ larger = &tv1;
+ smaller = &tv0;
+ status = -1;
+ } else {
+ larger = &tv0;
+ smaller = &tv1;
+ status = 1;
+ }
+
+ if (delta != NULL) {
+ delta->tv_sec = larger->tv_sec - smaller->tv_sec;
+
+ if (smaller->tv_usec <= larger->tv_usec)
+ delta->tv_usec = larger->tv_usec - smaller->tv_usec;
+ else {
+ --delta->tv_sec;
+ delta->tv_usec = 1000000 + larger->tv_usec - smaller->tv_usec;
+ }
+ }
+
+ assert((delta == NULL) ||
+ ((0 <= delta->tv_usec) && (delta->tv_usec < 1000000)));
+
+ return (status);
} /* int timeval_cmp */
-int check_create_dir (const char *file_orig)
-{
- struct stat statbuf;
-
- char file_copy[512];
- char dir[512];
- int dir_len = 512;
- char *fields[16];
- int fields_num;
- char *ptr;
- char *saveptr;
- int last_is_file = 1;
- int path_is_absolute = 0;
- size_t len;
-
- /*
- * Sanity checks first
- */
- if (file_orig == NULL)
- return (-1);
-
- if ((len = strlen (file_orig)) < 1)
- return (-1);
- else if (len >= sizeof (file_copy))
- return (-1);
-
- /*
- * If `file_orig' ends in a slash the last component is a directory,
- * otherwise it's a file. Act accordingly..
- */
- if (file_orig[len - 1] == '/')
- last_is_file = 0;
- if (file_orig[0] == '/')
- path_is_absolute = 1;
-
- /*
- * Create a copy for `strtok_r' to destroy
- */
- sstrncpy (file_copy, file_orig, sizeof (file_copy));
-
- /*
- * Break into components. This will eat up several slashes in a row and
- * remove leading and trailing slashes..
- */
- ptr = file_copy;
- saveptr = NULL;
- fields_num = 0;
- while ((fields[fields_num] = strtok_r (ptr, "/", &saveptr)) != NULL)
- {
- ptr = NULL;
- fields_num++;
-
- if (fields_num >= 16)
- break;
- }
-
- /*
- * For each component, do..
- */
- for (int i = 0; i < (fields_num - last_is_file); i++)
- {
- /*
- * Do not create directories that start with a dot. This
- * prevents `../../' attacks and other likely malicious
- * behavior.
- */
- if (fields[i][0] == '.')
- {
- ERROR ("Cowardly refusing to create a directory that "
- "begins with a `.' (dot): `%s'", file_orig);
- return (-2);
- }
-
- /*
- * Join the components together again
- */
- dir[0] = '/';
- if (strjoin (dir + path_is_absolute, (size_t) (dir_len - path_is_absolute),
- fields, (size_t) (i + 1), "/") < 0)
- {
- ERROR ("strjoin failed: `%s', component #%i", file_orig, i);
- return (-1);
- }
-
- while (42) {
- if ((stat (dir, &statbuf) == -1)
- && (lstat (dir, &statbuf) == -1))
- {
- if (errno == ENOENT)
- {
- if (mkdir (dir, S_IRWXU | S_IRWXG | S_IRWXO) == 0)
- break;
-
- /* this might happen, if a different thread created
- * the directory in the meantime
- * => call stat() again to check for S_ISDIR() */
- if (EEXIST == errno)
- continue;
-
- char errbuf[1024];
- ERROR ("check_create_dir: mkdir (%s): %s", dir,
- sstrerror (errno,
- errbuf, sizeof (errbuf)));
- return (-1);
- }
- else
- {
- char errbuf[1024];
- ERROR ("check_create_dir: stat (%s): %s", dir,
- sstrerror (errno, errbuf,
- sizeof (errbuf)));
- return (-1);
- }
- }
- else if (!S_ISDIR (statbuf.st_mode))
- {
- ERROR ("check_create_dir: `%s' exists but is not "
- "a directory!", dir);
- return (-1);
- }
- break;
- }
- }
-
- return (0);
+int check_create_dir(const char *file_orig) {
+ struct stat statbuf;
+
+ char file_copy[512];
+ char dir[512];
+ int dir_len = 512;
+ char *fields[16];
+ int fields_num;
+ char *ptr;
+ char *saveptr;
+ int last_is_file = 1;
+ int path_is_absolute = 0;
+ size_t len;
+
+ /*
+ * Sanity checks first
+ */
+ if (file_orig == NULL)
+ return (-1);
+
+ if ((len = strlen(file_orig)) < 1)
+ return (-1);
+ else if (len >= sizeof(file_copy))
+ return (-1);
+
+ /*
+ * If `file_orig' ends in a slash the last component is a directory,
+ * otherwise it's a file. Act accordingly..
+ */
+ if (file_orig[len - 1] == '/')
+ last_is_file = 0;
+ if (file_orig[0] == '/')
+ path_is_absolute = 1;
+
+ /*
+ * Create a copy for `strtok_r' to destroy
+ */
+ sstrncpy(file_copy, file_orig, sizeof(file_copy));
+
+ /*
+ * Break into components. This will eat up several slashes in a row and
+ * remove leading and trailing slashes..
+ */
+ ptr = file_copy;
+ saveptr = NULL;
+ fields_num = 0;
+ while ((fields[fields_num] = strtok_r(ptr, "/", &saveptr)) != NULL) {
+ ptr = NULL;
+ fields_num++;
+
+ if (fields_num >= 16)
+ break;
+ }
+
+ /*
+ * For each component, do..
+ */
+ for (int i = 0; i < (fields_num - last_is_file); i++) {
+ /*
+ * Do not create directories that start with a dot. This
+ * prevents `../../' attacks and other likely malicious
+ * behavior.
+ */
+ if (fields[i][0] == '.') {
+ ERROR("Cowardly refusing to create a directory that "
+ "begins with a `.' (dot): `%s'",
+ file_orig);
+ return (-2);
+ }
+
+ /*
+ * Join the components together again
+ */
+ dir[0] = '/';
+ if (strjoin(dir + path_is_absolute, (size_t)(dir_len - path_is_absolute),
+ fields, (size_t)(i + 1), "/") < 0) {
+ ERROR("strjoin failed: `%s', component #%i", file_orig, i);
+ return (-1);
+ }
+
+ while (42) {
+ if ((stat(dir, &statbuf) == -1) && (lstat(dir, &statbuf) == -1)) {
+ if (errno == ENOENT) {
+ if (mkdir(dir, S_IRWXU | S_IRWXG | S_IRWXO) == 0)
+ break;
+
+ /* this might happen, if a different thread created
+ * the directory in the meantime
+ * => call stat() again to check for S_ISDIR() */
+ if (EEXIST == errno)
+ continue;
+
+ char errbuf[1024];
+ ERROR("check_create_dir: mkdir (%s): %s", dir,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ return (-1);
+ } else {
+ char errbuf[1024];
+ ERROR("check_create_dir: stat (%s): %s", dir,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ return (-1);
+ }
+ } else if (!S_ISDIR(statbuf.st_mode)) {
+ ERROR("check_create_dir: `%s' exists but is not "
+ "a directory!",
+ dir);
+ return (-1);
+ }
+ break;
+ }
+ }
+
+ return (0);
} /* check_create_dir */
#ifdef HAVE_LIBKSTAT
-int get_kstat (kstat_t **ksp_ptr, char *module, int instance, char *name)
-{
- char ident[128];
+int get_kstat(kstat_t **ksp_ptr, char *module, int instance, char *name) {
+ char ident[128];
- *ksp_ptr = NULL;
+ *ksp_ptr = NULL;
- if (kc == NULL)
- return (-1);
+ if (kc == NULL)
+ return (-1);
- ssnprintf (ident, sizeof (ident), "%s,%i,%s", module, instance, name);
+ ssnprintf(ident, sizeof(ident), "%s,%i,%s", module, instance, name);
- *ksp_ptr = kstat_lookup (kc, module, instance, name);
- if (*ksp_ptr == NULL)
- {
- ERROR ("get_kstat: Cound not find kstat %s", ident);
- return (-1);
- }
+ *ksp_ptr = kstat_lookup(kc, module, instance, name);
+ if (*ksp_ptr == NULL) {
+ ERROR("get_kstat: Cound not find kstat %s", ident);
+ return (-1);
+ }
- if ((*ksp_ptr)->ks_type != KSTAT_TYPE_NAMED)
- {
- ERROR ("get_kstat: kstat %s has wrong type", ident);
- *ksp_ptr = NULL;
- return (-1);
- }
+ if ((*ksp_ptr)->ks_type != KSTAT_TYPE_NAMED) {
+ ERROR("get_kstat: kstat %s has wrong type", ident);
+ *ksp_ptr = NULL;
+ return (-1);
+ }
#ifdef assert
- assert (*ksp_ptr != NULL);
- assert ((*ksp_ptr)->ks_type == KSTAT_TYPE_NAMED);
+ assert(*ksp_ptr != NULL);
+ assert((*ksp_ptr)->ks_type == KSTAT_TYPE_NAMED);
#endif
- if (kstat_read (kc, *ksp_ptr, NULL) == -1)
- {
- ERROR ("get_kstat: kstat %s could not be read", ident);
- return (-1);
- }
+ if (kstat_read(kc, *ksp_ptr, NULL) == -1) {
+ ERROR("get_kstat: kstat %s could not be read", ident);
+ return (-1);
+ }
- if ((*ksp_ptr)->ks_type != KSTAT_TYPE_NAMED)
- {
- ERROR ("get_kstat: kstat %s has wrong type", ident);
- return (-1);
- }
+ if ((*ksp_ptr)->ks_type != KSTAT_TYPE_NAMED) {
+ ERROR("get_kstat: kstat %s has wrong type", ident);
+ return (-1);
+ }
- return (0);
+ return (0);
}
-long long get_kstat_value (kstat_t *ksp, char *name)
-{
- kstat_named_t *kn;
- long long retval = -1LL;
-
- if (ksp == NULL)
- {
- ERROR ("get_kstat_value (\"%s\"): ksp is NULL.", name);
- return (-1LL);
- }
- else if (ksp->ks_type != KSTAT_TYPE_NAMED)
- {
- ERROR ("get_kstat_value (\"%s\"): ksp->ks_type (%#x) "
- "is not KSTAT_TYPE_NAMED (%#x).",
- name,
- (unsigned int) ksp->ks_type,
- (unsigned int) KSTAT_TYPE_NAMED);
- return (-1LL);
- }
-
- if ((kn = (kstat_named_t *) kstat_data_lookup (ksp, name)) == NULL)
- return (-1LL);
-
- if (kn->data_type == KSTAT_DATA_INT32)
- retval = (long long) kn->value.i32;
- else if (kn->data_type == KSTAT_DATA_UINT32)
- retval = (long long) kn->value.ui32;
- else if (kn->data_type == KSTAT_DATA_INT64)
- retval = (long long) kn->value.i64; /* According to ANSI C99 `long long' must hold at least 64 bits */
- else if (kn->data_type == KSTAT_DATA_UINT64)
- retval = (long long) kn->value.ui64; /* XXX: Might overflow! */
- else
- WARNING ("get_kstat_value: Not a numeric value: %s", name);
-
- return (retval);
+long long get_kstat_value(kstat_t *ksp, char *name) {
+ kstat_named_t *kn;
+ long long retval = -1LL;
+
+ if (ksp == NULL) {
+ ERROR("get_kstat_value (\"%s\"): ksp is NULL.", name);
+ return (-1LL);
+ } else if (ksp->ks_type != KSTAT_TYPE_NAMED) {
+ ERROR("get_kstat_value (\"%s\"): ksp->ks_type (%#x) "
+ "is not KSTAT_TYPE_NAMED (%#x).",
+ name, (unsigned int)ksp->ks_type, (unsigned int)KSTAT_TYPE_NAMED);
+ return (-1LL);
+ }
+
+ if ((kn = (kstat_named_t *)kstat_data_lookup(ksp, name)) == NULL)
+ return (-1LL);
+
+ if (kn->data_type == KSTAT_DATA_INT32)
+ retval = (long long)kn->value.i32;
+ else if (kn->data_type == KSTAT_DATA_UINT32)
+ retval = (long long)kn->value.ui32;
+ else if (kn->data_type == KSTAT_DATA_INT64)
+ retval =
+ (long long)kn->value.i64; /* According to ANSI C99 `long long' must hold
+ at least 64 bits */
+ else if (kn->data_type == KSTAT_DATA_UINT64)
+ retval = (long long)kn->value.ui64; /* XXX: Might overflow! */
+ else
+ WARNING("get_kstat_value: Not a numeric value: %s", name);
+
+ return (retval);
}
#endif /* HAVE_LIBKSTAT */
#ifndef HAVE_HTONLL
-unsigned long long ntohll (unsigned long long n)
-{
+unsigned long long ntohll(unsigned long long n) {
#if BYTE_ORDER == BIG_ENDIAN
- return (n);
+ return (n);
#else
- return (((unsigned long long) ntohl (n)) << 32) + ntohl (n >> 32);
+ return (((unsigned long long)ntohl(n)) << 32) + ntohl(n >> 32);
#endif
} /* unsigned long long ntohll */
-unsigned long long htonll (unsigned long long n)
-{
+unsigned long long htonll(unsigned long long n) {
#if BYTE_ORDER == BIG_ENDIAN
- return (n);
+ return (n);
#else
- return (((unsigned long long) htonl (n)) << 32) + htonl (n >> 32);
+ return (((unsigned long long)htonl(n)) << 32) + htonl(n >> 32);
#endif
} /* unsigned long long htonll */
#endif /* HAVE_HTONLL */
/* #endif FP_LAYOUT_NEED_NOTHING */
#elif FP_LAYOUT_NEED_ENDIANFLIP || FP_LAYOUT_NEED_INTSWAP
-# if FP_LAYOUT_NEED_ENDIANFLIP
-# define FP_CONVERT(A) ((((uint64_t)(A) & 0xff00000000000000LL) >> 56) | \
- (((uint64_t)(A) & 0x00ff000000000000LL) >> 40) | \
- (((uint64_t)(A) & 0x0000ff0000000000LL) >> 24) | \
- (((uint64_t)(A) & 0x000000ff00000000LL) >> 8) | \
- (((uint64_t)(A) & 0x00000000ff000000LL) << 8) | \
- (((uint64_t)(A) & 0x0000000000ff0000LL) << 24) | \
- (((uint64_t)(A) & 0x000000000000ff00LL) << 40) | \
- (((uint64_t)(A) & 0x00000000000000ffLL) << 56))
-# else
-# define FP_CONVERT(A) ((((uint64_t)(A) & 0xffffffff00000000LL) >> 32) | \
- (((uint64_t)(A) & 0x00000000ffffffffLL) << 32))
-# endif
-
-double ntohd (double d)
-{
- union
- {
- uint8_t byte[8];
- uint64_t integer;
- double floating;
- } ret;
-
- ret.floating = d;
-
- /* NAN in x86 byte order */
- if ((ret.byte[0] == 0x00) && (ret.byte[1] == 0x00)
- && (ret.byte[2] == 0x00) && (ret.byte[3] == 0x00)
- && (ret.byte[4] == 0x00) && (ret.byte[5] == 0x00)
- && (ret.byte[6] == 0xf8) && (ret.byte[7] == 0x7f))
- {
- return (NAN);
- }
- else
- {
- uint64_t tmp;
-
- tmp = ret.integer;
- ret.integer = FP_CONVERT (tmp);
- return (ret.floating);
- }
+#if FP_LAYOUT_NEED_ENDIANFLIP
+#define FP_CONVERT(A) \
+ ((((uint64_t)(A)&0xff00000000000000LL) >> 56) | \
+ (((uint64_t)(A)&0x00ff000000000000LL) >> 40) | \
+ (((uint64_t)(A)&0x0000ff0000000000LL) >> 24) | \
+ (((uint64_t)(A)&0x000000ff00000000LL) >> 8) | \
+ (((uint64_t)(A)&0x00000000ff000000LL) << 8) | \
+ (((uint64_t)(A)&0x0000000000ff0000LL) << 24) | \
+ (((uint64_t)(A)&0x000000000000ff00LL) << 40) | \
+ (((uint64_t)(A)&0x00000000000000ffLL) << 56))
+#else
+#define FP_CONVERT(A) \
+ ((((uint64_t)(A)&0xffffffff00000000LL) >> 32) | \
+ (((uint64_t)(A)&0x00000000ffffffffLL) << 32))
+#endif
+
+double ntohd(double d) {
+ union {
+ uint8_t byte[8];
+ uint64_t integer;
+ double floating;
+ } ret;
+
+ ret.floating = d;
+
+ /* NAN in x86 byte order */
+ if ((ret.byte[0] == 0x00) && (ret.byte[1] == 0x00) && (ret.byte[2] == 0x00) &&
+ (ret.byte[3] == 0x00) && (ret.byte[4] == 0x00) && (ret.byte[5] == 0x00) &&
+ (ret.byte[6] == 0xf8) && (ret.byte[7] == 0x7f)) {
+ return (NAN);
+ } else {
+ uint64_t tmp;
+
+ tmp = ret.integer;
+ ret.integer = FP_CONVERT(tmp);
+ return (ret.floating);
+ }
} /* double ntohd */
-double htond (double d)
-{
- union
- {
- uint8_t byte[8];
- uint64_t integer;
- double floating;
- } ret;
-
- if (isnan (d))
- {
- ret.byte[0] = ret.byte[1] = ret.byte[2] = ret.byte[3] = 0x00;
- ret.byte[4] = ret.byte[5] = 0x00;
- ret.byte[6] = 0xf8;
- ret.byte[7] = 0x7f;
- return (ret.floating);
- }
- else
- {
- uint64_t tmp;
-
- ret.floating = d;
- tmp = FP_CONVERT (ret.integer);
- ret.integer = tmp;
- return (ret.floating);
- }
+double htond(double d) {
+ union {
+ uint8_t byte[8];
+ uint64_t integer;
+ double floating;
+ } ret;
+
+ if (isnan(d)) {
+ ret.byte[0] = ret.byte[1] = ret.byte[2] = ret.byte[3] = 0x00;
+ ret.byte[4] = ret.byte[5] = 0x00;
+ ret.byte[6] = 0xf8;
+ ret.byte[7] = 0x7f;
+ return (ret.floating);
+ } else {
+ uint64_t tmp;
+
+ ret.floating = d;
+ tmp = FP_CONVERT(ret.integer);
+ ret.integer = tmp;
+ return (ret.floating);
+ }
} /* double htond */
#endif /* FP_LAYOUT_NEED_ENDIANFLIP || FP_LAYOUT_NEED_INTSWAP */
-int format_name (char *ret, int ret_len,
- const char *hostname,
- const char *plugin, const char *plugin_instance,
- const char *type, const char *type_instance)
-{
+int format_name(char *ret, int ret_len, const char *hostname,
+ const char *plugin, const char *plugin_instance,
+ const char *type, const char *type_instance) {
char *buffer;
size_t buffer_size;
buffer = ret;
- buffer_size = (size_t) ret_len;
-
-#define APPEND(str) do { \
- size_t l = strlen (str); \
- if (l >= buffer_size) \
- return (ENOBUFS); \
- memcpy (buffer, (str), l); \
- buffer += l; buffer_size -= l; \
-} while (0)
-
- assert (plugin != NULL);
- assert (type != NULL);
-
- APPEND (hostname);
- APPEND ("/");
- APPEND (plugin);
- if ((plugin_instance != NULL) && (plugin_instance[0] != 0))
- {
- APPEND ("-");
- APPEND (plugin_instance);
+ buffer_size = (size_t)ret_len;
+
+#define APPEND(str) \
+ do { \
+ size_t l = strlen(str); \
+ if (l >= buffer_size) \
+ return (ENOBUFS); \
+ memcpy(buffer, (str), l); \
+ buffer += l; \
+ buffer_size -= l; \
+ } while (0)
+
+ assert(plugin != NULL);
+ assert(type != NULL);
+
+ APPEND(hostname);
+ APPEND("/");
+ APPEND(plugin);
+ if ((plugin_instance != NULL) && (plugin_instance[0] != 0)) {
+ APPEND("-");
+ APPEND(plugin_instance);
}
- APPEND ("/");
- APPEND (type);
- if ((type_instance != NULL) && (type_instance[0] != 0))
- {
- APPEND ("-");
- APPEND (type_instance);
+ APPEND("/");
+ APPEND(type);
+ if ((type_instance != NULL) && (type_instance[0] != 0)) {
+ APPEND("-");
+ APPEND(type_instance);
}
- assert (buffer_size > 0);
+ assert(buffer_size > 0);
buffer[0] = 0;
#undef APPEND
return (0);
} /* int format_name */
-int format_values (char *ret, size_t ret_len, /* {{{ */
- const data_set_t *ds, const value_list_t *vl,
- _Bool store_rates)
-{
- size_t offset = 0;
- int status;
- gauge_t *rates = NULL;
-
- assert (0 == strcmp (ds->type, vl->type));
-
- memset (ret, 0, ret_len);
-
-#define BUFFER_ADD(...) do { \
- status = ssnprintf (ret + offset, ret_len - offset, \
- __VA_ARGS__); \
- if (status < 1) \
- { \
- sfree (rates); \
- return (-1); \
- } \
- else if (((size_t) status) >= (ret_len - offset)) \
- { \
- sfree (rates); \
- return (-1); \
- } \
- else \
- offset += ((size_t) status); \
-} while (0)
-
- BUFFER_ADD ("%.3f", CDTIME_T_TO_DOUBLE (vl->time));
-
- for (size_t i = 0; i < ds->ds_num; i++)
- {
- if (ds->ds[i].type == DS_TYPE_GAUGE)
- BUFFER_ADD (":"GAUGE_FORMAT, vl->values[i].gauge);
- else if (store_rates)
- {
- if (rates == NULL)
- rates = uc_get_rate (ds, vl);
- if (rates == NULL)
- {
- WARNING ("format_values: uc_get_rate failed.");
- return (-1);
- }
- BUFFER_ADD (":"GAUGE_FORMAT, rates[i]);
- }
- else if (ds->ds[i].type == DS_TYPE_COUNTER)
- BUFFER_ADD (":%llu", vl->values[i].counter);
- else if (ds->ds[i].type == DS_TYPE_DERIVE)
- BUFFER_ADD (":%"PRIi64, vl->values[i].derive);
- else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
- BUFFER_ADD (":%"PRIu64, vl->values[i].absolute);
- else
- {
- ERROR ("format_values: Unknown data source type: %i",
- ds->ds[i].type);
- sfree (rates);
- return (-1);
- }
- } /* for ds->ds_num */
+int format_values(char *ret, size_t ret_len, /* {{{ */
+ const data_set_t *ds, const value_list_t *vl,
+ _Bool store_rates) {
+ size_t offset = 0;
+ int status;
+ gauge_t *rates = NULL;
+
+ assert(0 == strcmp(ds->type, vl->type));
+
+ memset(ret, 0, ret_len);
+
+#define BUFFER_ADD(...) \
+ do { \
+ status = ssnprintf(ret + offset, ret_len - offset, __VA_ARGS__); \
+ if (status < 1) { \
+ sfree(rates); \
+ return (-1); \
+ } else if (((size_t)status) >= (ret_len - offset)) { \
+ sfree(rates); \
+ return (-1); \
+ } else \
+ offset += ((size_t)status); \
+ } while (0)
+
+ BUFFER_ADD("%.3f", CDTIME_T_TO_DOUBLE(vl->time));
+
+ for (size_t i = 0; i < ds->ds_num; i++) {
+ if (ds->ds[i].type == DS_TYPE_GAUGE)
+ BUFFER_ADD(":" GAUGE_FORMAT, vl->values[i].gauge);
+ else if (store_rates) {
+ if (rates == NULL)
+ rates = uc_get_rate(ds, vl);
+ if (rates == NULL) {
+ WARNING("format_values: uc_get_rate failed.");
+ return (-1);
+ }
+ BUFFER_ADD(":" GAUGE_FORMAT, rates[i]);
+ } else if (ds->ds[i].type == DS_TYPE_COUNTER)
+ BUFFER_ADD(":%llu", vl->values[i].counter);
+ else if (ds->ds[i].type == DS_TYPE_DERIVE)
+ BUFFER_ADD(":%" PRIi64, vl->values[i].derive);
+ else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
+ BUFFER_ADD(":%" PRIu64, vl->values[i].absolute);
+ else {
+ ERROR("format_values: Unknown data source type: %i", ds->ds[i].type);
+ sfree(rates);
+ return (-1);
+ }
+ } /* for ds->ds_num */
#undef BUFFER_ADD
- sfree (rates);
- return (0);
+ sfree(rates);
+ return (0);
} /* }}} int format_values */
-int parse_identifier (char *str, char **ret_host,
- char **ret_plugin, char **ret_plugin_instance,
- char **ret_type, char **ret_type_instance,
- char *default_host)
-{
- char *hostname = NULL;
- char *plugin = NULL;
- char *plugin_instance = NULL;
- char *type = NULL;
- char *type_instance = NULL;
-
- hostname = str;
- if (hostname == NULL)
- return (-1);
-
- plugin = strchr (hostname, '/');
- if (plugin == NULL)
- return (-1);
- *plugin = '\0'; plugin++;
-
- type = strchr (plugin, '/');
- if (type == NULL)
- {
- if (default_host == NULL)
- return (-1);
- /* else: no host specified; use default */
- type = plugin;
- plugin = hostname;
- hostname = default_host;
- }
- else
- {
- *type = '\0';
- type++;
- }
-
- plugin_instance = strchr (plugin, '-');
- if (plugin_instance != NULL)
- {
- *plugin_instance = '\0';
- plugin_instance++;
- }
-
- type_instance = strchr (type, '-');
- if (type_instance != NULL)
- {
- *type_instance = '\0';
- type_instance++;
- }
-
- *ret_host = hostname;
- *ret_plugin = plugin;
- *ret_plugin_instance = plugin_instance;
- *ret_type = type;
- *ret_type_instance = type_instance;
- return (0);
+int parse_identifier(char *str, char **ret_host, char **ret_plugin,
+ char **ret_plugin_instance, char **ret_type,
+ char **ret_type_instance, char *default_host) {
+ char *hostname = NULL;
+ char *plugin = NULL;
+ char *plugin_instance = NULL;
+ char *type = NULL;
+ char *type_instance = NULL;
+
+ hostname = str;
+ if (hostname == NULL)
+ return (-1);
+
+ plugin = strchr(hostname, '/');
+ if (plugin == NULL)
+ return (-1);
+ *plugin = '\0';
+ plugin++;
+
+ type = strchr(plugin, '/');
+ if (type == NULL) {
+ if (default_host == NULL)
+ return (-1);
+ /* else: no host specified; use default */
+ type = plugin;
+ plugin = hostname;
+ hostname = default_host;
+ } else {
+ *type = '\0';
+ type++;
+ }
+
+ plugin_instance = strchr(plugin, '-');
+ if (plugin_instance != NULL) {
+ *plugin_instance = '\0';
+ plugin_instance++;
+ }
+
+ type_instance = strchr(type, '-');
+ if (type_instance != NULL) {
+ *type_instance = '\0';
+ type_instance++;
+ }
+
+ *ret_host = hostname;
+ *ret_plugin = plugin;
+ *ret_plugin_instance = plugin_instance;
+ *ret_type = type;
+ *ret_type_instance = type_instance;
+ return (0);
} /* int parse_identifier */
-int parse_identifier_vl (const char *str, value_list_t *vl) /* {{{ */
+int parse_identifier_vl(const char *str, value_list_t *vl) /* {{{ */
{
- char str_copy[6 * DATA_MAX_NAME_LEN];
- char *host = NULL;
- char *plugin = NULL;
- char *plugin_instance = NULL;
- char *type = NULL;
- char *type_instance = NULL;
- int status;
-
- if ((str == NULL) || (vl == NULL))
- return (EINVAL);
-
- sstrncpy (str_copy, str, sizeof (str_copy));
-
- status = parse_identifier (str_copy, &host,
- &plugin, &plugin_instance,
- &type, &type_instance,
- /* default_host = */ NULL);
- if (status != 0)
- return (status);
-
- sstrncpy (vl->host, host, sizeof (vl->host));
- sstrncpy (vl->plugin, plugin, sizeof (vl->plugin));
- sstrncpy (vl->plugin_instance,
- (plugin_instance != NULL) ? plugin_instance : "",
- sizeof (vl->plugin_instance));
- sstrncpy (vl->type, type, sizeof (vl->type));
- sstrncpy (vl->type_instance,
- (type_instance != NULL) ? type_instance : "",
- sizeof (vl->type_instance));
-
- return (0);
+ char str_copy[6 * DATA_MAX_NAME_LEN];
+ char *host = NULL;
+ char *plugin = NULL;
+ char *plugin_instance = NULL;
+ char *type = NULL;
+ char *type_instance = NULL;
+ int status;
+
+ if ((str == NULL) || (vl == NULL))
+ return (EINVAL);
+
+ sstrncpy(str_copy, str, sizeof(str_copy));
+
+ status = parse_identifier(str_copy, &host, &plugin, &plugin_instance, &type,
+ &type_instance,
+ /* default_host = */ NULL);
+ if (status != 0)
+ return (status);
+
+ sstrncpy(vl->host, host, sizeof(vl->host));
+ sstrncpy(vl->plugin, plugin, sizeof(vl->plugin));
+ sstrncpy(vl->plugin_instance,
+ (plugin_instance != NULL) ? plugin_instance : "",
+ sizeof(vl->plugin_instance));
+ sstrncpy(vl->type, type, sizeof(vl->type));
+ sstrncpy(vl->type_instance, (type_instance != NULL) ? type_instance : "",
+ sizeof(vl->type_instance));
+
+ return (0);
} /* }}} int parse_identifier_vl */
-int parse_value (const char *value_orig, value_t *ret_value, int ds_type)
-{
+int parse_value(const char *value_orig, value_t *ret_value, int ds_type) {
char *value;
char *endptr = NULL;
size_t value_len;
if (value_orig == NULL)
return (EINVAL);
- value = strdup (value_orig);
+ value = strdup(value_orig);
if (value == NULL)
return (ENOMEM);
- value_len = strlen (value);
+ value_len = strlen(value);
- while ((value_len > 0) && isspace ((int) value[value_len - 1]))
- {
+ while ((value_len > 0) && isspace((int)value[value_len - 1])) {
value[value_len - 1] = 0;
value_len--;
}
- switch (ds_type)
- {
- case DS_TYPE_COUNTER:
- ret_value->counter = (counter_t) strtoull (value, &endptr, 0);
- break;
+ switch (ds_type) {
+ case DS_TYPE_COUNTER:
+ ret_value->counter = (counter_t)strtoull(value, &endptr, 0);
+ break;
- case DS_TYPE_GAUGE:
- ret_value->gauge = (gauge_t) strtod (value, &endptr);
- break;
+ case DS_TYPE_GAUGE:
+ ret_value->gauge = (gauge_t)strtod(value, &endptr);
+ break;
- case DS_TYPE_DERIVE:
- ret_value->derive = (derive_t) strtoll (value, &endptr, 0);
- break;
+ case DS_TYPE_DERIVE:
+ ret_value->derive = (derive_t)strtoll(value, &endptr, 0);
+ break;
- case DS_TYPE_ABSOLUTE:
- ret_value->absolute = (absolute_t) strtoull (value, &endptr, 0);
- break;
+ case DS_TYPE_ABSOLUTE:
+ ret_value->absolute = (absolute_t)strtoull(value, &endptr, 0);
+ break;
- default:
- sfree (value);
- ERROR ("parse_value: Invalid data source type: %i.", ds_type);
- return -1;
+ default:
+ sfree(value);
+ ERROR("parse_value: Invalid data source type: %i.", ds_type);
+ return -1;
}
if (value == endptr) {
- ERROR ("parse_value: Failed to parse string as %s: \"%s\".",
- DS_TYPE_TO_STRING (ds_type), value);
- sfree (value);
+ ERROR("parse_value: Failed to parse string as %s: \"%s\".",
+ DS_TYPE_TO_STRING(ds_type), value);
+ sfree(value);
return -1;
- }
- else if ((NULL != endptr) && ('\0' != *endptr))
- INFO ("parse_value: Ignoring trailing garbage \"%s\" after %s value. "
- "Input string was \"%s\".",
- endptr, DS_TYPE_TO_STRING (ds_type), value_orig);
+ } else if ((NULL != endptr) && ('\0' != *endptr))
+ INFO("parse_value: Ignoring trailing garbage \"%s\" after %s value. "
+ "Input string was \"%s\".",
+ endptr, DS_TYPE_TO_STRING(ds_type), value_orig);
- sfree (value);
+ sfree(value);
return 0;
} /* int parse_value */
-int parse_values (char *buffer, value_list_t *vl, const data_set_t *ds)
-{
- size_t i;
- char *dummy;
- char *ptr;
- char *saveptr;
-
- if ((buffer == NULL) || (vl == NULL) || (ds == NULL))
- return EINVAL;
-
- i = 0;
- dummy = buffer;
- saveptr = NULL;
- vl->time = 0;
- while ((ptr = strtok_r (dummy, ":", &saveptr)) != NULL)
- {
- dummy = NULL;
-
- if (i >= vl->values_len)
- {
- /* Make sure i is invalid. */
- i = 0;
- break;
- }
-
- if (vl->time == 0)
- {
- if (strcmp ("N", ptr) == 0)
- vl->time = cdtime ();
- else
- {
- char *endptr = NULL;
- double tmp;
-
- errno = 0;
- tmp = strtod (ptr, &endptr);
- if ((errno != 0) /* Overflow */
- || (endptr == ptr) /* Invalid string */
- || (endptr == NULL) /* This should not happen */
- || (*endptr != 0)) /* Trailing chars */
- return (-1);
-
- vl->time = DOUBLE_TO_CDTIME_T (tmp);
- }
-
- continue;
- }
-
- if ((strcmp ("U", ptr) == 0) && (ds->ds[i].type == DS_TYPE_GAUGE))
- vl->values[i].gauge = NAN;
- else if (0 != parse_value (ptr, &vl->values[i], ds->ds[i].type))
- return -1;
-
- i++;
- } /* while (strtok_r) */
-
- if ((ptr != NULL) || (i == 0))
- return (-1);
- return (0);
+int parse_values(char *buffer, value_list_t *vl, const data_set_t *ds) {
+ size_t i;
+ char *dummy;
+ char *ptr;
+ char *saveptr;
+
+ if ((buffer == NULL) || (vl == NULL) || (ds == NULL))
+ return EINVAL;
+
+ i = 0;
+ dummy = buffer;
+ saveptr = NULL;
+ vl->time = 0;
+ while ((ptr = strtok_r(dummy, ":", &saveptr)) != NULL) {
+ dummy = NULL;
+
+ if (i >= vl->values_len) {
+ /* Make sure i is invalid. */
+ i = 0;
+ break;
+ }
+
+ if (vl->time == 0) {
+ if (strcmp("N", ptr) == 0)
+ vl->time = cdtime();
+ else {
+ char *endptr = NULL;
+ double tmp;
+
+ errno = 0;
+ tmp = strtod(ptr, &endptr);
+ if ((errno != 0) /* Overflow */
+ || (endptr == ptr) /* Invalid string */
+ || (endptr == NULL) /* This should not happen */
+ || (*endptr != 0)) /* Trailing chars */
+ return (-1);
+
+ vl->time = DOUBLE_TO_CDTIME_T(tmp);
+ }
+
+ continue;
+ }
+
+ if ((strcmp("U", ptr) == 0) && (ds->ds[i].type == DS_TYPE_GAUGE))
+ vl->values[i].gauge = NAN;
+ else if (0 != parse_value(ptr, &vl->values[i], ds->ds[i].type))
+ return -1;
+
+ i++;
+ } /* while (strtok_r) */
+
+ if ((ptr != NULL) || (i == 0))
+ return (-1);
+ return (0);
} /* int parse_values */
-int parse_value_file (char const *path, value_t *ret_value, int ds_type)
-{
- FILE *fh;
- char buffer[256];
+int parse_value_file(char const *path, value_t *ret_value, int ds_type) {
+ FILE *fh;
+ char buffer[256];
- fh = fopen (path, "r");
- if (fh == NULL)
- return (-1);
+ fh = fopen(path, "r");
+ if (fh == NULL)
+ return (-1);
- if (fgets (buffer, sizeof (buffer), fh) == NULL)
- {
- fclose (fh);
- return (-1);
- }
+ if (fgets(buffer, sizeof(buffer), fh) == NULL) {
+ fclose(fh);
+ return (-1);
+ }
- fclose (fh);
+ fclose(fh);
- strstripnewline (buffer);
+ strstripnewline(buffer);
- return parse_value (buffer, ret_value, ds_type);
+ return parse_value(buffer, ret_value, ds_type);
} /* int parse_value_file */
#if !HAVE_GETPWNAM_R
-int getpwnam_r (const char *name, struct passwd *pwbuf, char *buf,
- size_t buflen, struct passwd **pwbufp)
-{
- int status = 0;
- struct passwd *pw;
-
- memset (pwbuf, '\0', sizeof (struct passwd));
-
- pthread_mutex_lock (&getpwnam_r_lock);
-
- do
- {
- pw = getpwnam (name);
- if (pw == NULL)
- {
- status = (errno != 0) ? errno : ENOENT;
- break;
- }
-
-#define GETPWNAM_COPY_MEMBER(member) \
- if (pw->member != NULL) \
- { \
- int len = strlen (pw->member); \
- if (len >= buflen) \
- { \
- status = ENOMEM; \
- break; \
- } \
- sstrncpy (buf, pw->member, buflen); \
- pwbuf->member = buf; \
- buf += (len + 1); \
- buflen -= (len + 1); \
- }
- GETPWNAM_COPY_MEMBER(pw_name);
- GETPWNAM_COPY_MEMBER(pw_passwd);
- GETPWNAM_COPY_MEMBER(pw_gecos);
- GETPWNAM_COPY_MEMBER(pw_dir);
- GETPWNAM_COPY_MEMBER(pw_shell);
-
- pwbuf->pw_uid = pw->pw_uid;
- pwbuf->pw_gid = pw->pw_gid;
-
- if (pwbufp != NULL)
- *pwbufp = pwbuf;
- } while (0);
-
- pthread_mutex_unlock (&getpwnam_r_lock);
-
- return (status);
+int getpwnam_r(const char *name, struct passwd *pwbuf, char *buf, size_t buflen,
+ struct passwd **pwbufp) {
+ int status = 0;
+ struct passwd *pw;
+
+ memset(pwbuf, '\0', sizeof(struct passwd));
+
+ pthread_mutex_lock(&getpwnam_r_lock);
+
+ do {
+ pw = getpwnam(name);
+ if (pw == NULL) {
+ status = (errno != 0) ? errno : ENOENT;
+ break;
+ }
+
+#define GETPWNAM_COPY_MEMBER(member) \
+ if (pw->member != NULL) { \
+ int len = strlen(pw->member); \
+ if (len >= buflen) { \
+ status = ENOMEM; \
+ break; \
+ } \
+ sstrncpy(buf, pw->member, buflen); \
+ pwbuf->member = buf; \
+ buf += (len + 1); \
+ buflen -= (len + 1); \
+ }
+ GETPWNAM_COPY_MEMBER(pw_name);
+ GETPWNAM_COPY_MEMBER(pw_passwd);
+ GETPWNAM_COPY_MEMBER(pw_gecos);
+ GETPWNAM_COPY_MEMBER(pw_dir);
+ GETPWNAM_COPY_MEMBER(pw_shell);
+
+ pwbuf->pw_uid = pw->pw_uid;
+ pwbuf->pw_gid = pw->pw_gid;
+
+ if (pwbufp != NULL)
+ *pwbufp = pwbuf;
+ } while (0);
+
+ pthread_mutex_unlock(&getpwnam_r_lock);
+
+ return (status);
} /* int getpwnam_r */
#endif /* !HAVE_GETPWNAM_R */
-int notification_init (notification_t *n, int severity, const char *message,
- const char *host,
- const char *plugin, const char *plugin_instance,
- const char *type, const char *type_instance)
-{
- memset (n, '\0', sizeof (notification_t));
-
- n->severity = severity;
-
- if (message != NULL)
- sstrncpy (n->message, message, sizeof (n->message));
- if (host != NULL)
- sstrncpy (n->host, host, sizeof (n->host));
- if (plugin != NULL)
- sstrncpy (n->plugin, plugin, sizeof (n->plugin));
- if (plugin_instance != NULL)
- sstrncpy (n->plugin_instance, plugin_instance,
- sizeof (n->plugin_instance));
- if (type != NULL)
- sstrncpy (n->type, type, sizeof (n->type));
- if (type_instance != NULL)
- sstrncpy (n->type_instance, type_instance,
- sizeof (n->type_instance));
-
- return (0);
+int notification_init(notification_t *n, int severity, const char *message,
+ const char *host, const char *plugin,
+ const char *plugin_instance, const char *type,
+ const char *type_instance) {
+ memset(n, '\0', sizeof(notification_t));
+
+ n->severity = severity;
+
+ if (message != NULL)
+ sstrncpy(n->message, message, sizeof(n->message));
+ if (host != NULL)
+ sstrncpy(n->host, host, sizeof(n->host));
+ if (plugin != NULL)
+ sstrncpy(n->plugin, plugin, sizeof(n->plugin));
+ if (plugin_instance != NULL)
+ sstrncpy(n->plugin_instance, plugin_instance, sizeof(n->plugin_instance));
+ if (type != NULL)
+ sstrncpy(n->type, type, sizeof(n->type));
+ if (type_instance != NULL)
+ sstrncpy(n->type_instance, type_instance, sizeof(n->type_instance));
+
+ return (0);
} /* int notification_init */
-int walk_directory (const char *dir, dirwalk_callback_f callback,
- void *user_data, int include_hidden)
-{
- struct dirent *ent;
- DIR *dh;
- int success;
- int failure;
-
- success = 0;
- failure = 0;
-
- if ((dh = opendir (dir)) == NULL)
- {
- char errbuf[1024];
- ERROR ("walk_directory: Cannot open '%s': %s", dir,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return -1;
- }
-
- while ((ent = readdir (dh)) != NULL)
- {
- int status;
-
- if (include_hidden)
- {
- if ((strcmp (".", ent->d_name) == 0)
- || (strcmp ("..", ent->d_name) == 0))
- continue;
- }
- else /* if (!include_hidden) */
- {
- if (ent->d_name[0]=='.')
- continue;
- }
-
- status = (*callback) (dir, ent->d_name, user_data);
- if (status != 0)
- failure++;
- else
- success++;
- }
-
- closedir (dh);
-
- if ((success == 0) && (failure > 0))
- return (-1);
- return (0);
+int walk_directory(const char *dir, dirwalk_callback_f callback,
+ void *user_data, int include_hidden) {
+ struct dirent *ent;
+ DIR *dh;
+ int success;
+ int failure;
+
+ success = 0;
+ failure = 0;
+
+ if ((dh = opendir(dir)) == NULL) {
+ char errbuf[1024];
+ ERROR("walk_directory: Cannot open '%s': %s", dir,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ return -1;
+ }
+
+ while ((ent = readdir(dh)) != NULL) {
+ int status;
+
+ if (include_hidden) {
+ if ((strcmp(".", ent->d_name) == 0) || (strcmp("..", ent->d_name) == 0))
+ continue;
+ } else /* if (!include_hidden) */
+ {
+ if (ent->d_name[0] == '.')
+ continue;
+ }
+
+ status = (*callback)(dir, ent->d_name, user_data);
+ if (status != 0)
+ failure++;
+ else
+ success++;
+ }
+
+ closedir(dh);
+
+ if ((success == 0) && (failure > 0))
+ return (-1);
+ return (0);
}
-ssize_t read_file_contents (const char *filename, char *buf, size_t bufsize)
-{
- FILE *fh;
- ssize_t ret;
-
- fh = fopen (filename, "r");
- if (fh == NULL)
- return (-1);
-
- ret = (ssize_t) fread (buf, 1, bufsize, fh);
- if ((ret == 0) && (ferror (fh) != 0))
- {
- ERROR ("read_file_contents: Reading file \"%s\" failed.",
- filename);
- ret = -1;
- }
-
- fclose(fh);
- return (ret);
+ssize_t read_file_contents(const char *filename, char *buf, size_t bufsize) {
+ FILE *fh;
+ ssize_t ret;
+
+ fh = fopen(filename, "r");
+ if (fh == NULL)
+ return (-1);
+
+ ret = (ssize_t)fread(buf, 1, bufsize, fh);
+ if ((ret == 0) && (ferror(fh) != 0)) {
+ ERROR("read_file_contents: Reading file \"%s\" failed.", filename);
+ ret = -1;
+ }
+
+ fclose(fh);
+ return (ret);
}
-counter_t counter_diff (counter_t old_value, counter_t new_value)
-{
- counter_t diff;
-
- if (old_value > new_value)
- {
- if (old_value <= 4294967295U)
- diff = (4294967295U - old_value) + new_value + 1;
- else
- diff = (18446744073709551615ULL - old_value) + new_value + 1;
- }
- else
- {
- diff = new_value - old_value;
- }
-
- return (diff);
+counter_t counter_diff(counter_t old_value, counter_t new_value) {
+ counter_t diff;
+
+ if (old_value > new_value) {
+ if (old_value <= 4294967295U)
+ diff = (4294967295U - old_value) + new_value + 1;
+ else
+ diff = (18446744073709551615ULL - old_value) + new_value + 1;
+ } else {
+ diff = new_value - old_value;
+ }
+
+ return (diff);
} /* counter_t counter_diff */
-int rate_to_value (value_t *ret_value, gauge_t rate, /* {{{ */
- rate_to_value_state_t *state,
- int ds_type, cdtime_t t)
-{
- gauge_t delta_gauge;
- cdtime_t delta_t;
-
- if (ds_type == DS_TYPE_GAUGE)
- {
- state->last_value.gauge = rate;
- state->last_time = t;
-
- *ret_value = state->last_value;
- return (0);
- }
-
- /* Counter and absolute can't handle negative rates. Reset "last time"
- * to zero, so that the next valid rate will re-initialize the
- * structure. */
- if ((rate < 0.0)
- && ((ds_type == DS_TYPE_COUNTER)
- || (ds_type == DS_TYPE_ABSOLUTE)))
- {
- memset (state, 0, sizeof (*state));
- return (EINVAL);
- }
-
- /* Another invalid state: The time is not increasing. */
- if (t <= state->last_time)
- {
- memset (state, 0, sizeof (*state));
- return (EINVAL);
- }
-
- delta_t = t - state->last_time;
- delta_gauge = (rate * CDTIME_T_TO_DOUBLE (delta_t)) + state->residual;
-
- /* Previous value is invalid. */
- if (state->last_time == 0) /* {{{ */
- {
- if (ds_type == DS_TYPE_DERIVE)
- {
- state->last_value.derive = (derive_t) rate;
- state->residual = rate - ((gauge_t) state->last_value.derive);
- }
- else if (ds_type == DS_TYPE_COUNTER)
- {
- state->last_value.counter = (counter_t) rate;
- state->residual = rate - ((gauge_t) state->last_value.counter);
- }
- else if (ds_type == DS_TYPE_ABSOLUTE)
- {
- state->last_value.absolute = (absolute_t) rate;
- state->residual = rate - ((gauge_t) state->last_value.absolute);
- }
- else
- {
- assert (23 == 42);
- }
-
- state->last_time = t;
- return (EAGAIN);
- } /* }}} */
-
- if (ds_type == DS_TYPE_DERIVE)
- {
- derive_t delta_derive = (derive_t) delta_gauge;
-
- state->last_value.derive += delta_derive;
- state->residual = delta_gauge - ((gauge_t) delta_derive);
- }
- else if (ds_type == DS_TYPE_COUNTER)
- {
- counter_t delta_counter = (counter_t) delta_gauge;
-
- state->last_value.counter += delta_counter;
- state->residual = delta_gauge - ((gauge_t) delta_counter);
- }
- else if (ds_type == DS_TYPE_ABSOLUTE)
- {
- absolute_t delta_absolute = (absolute_t) delta_gauge;
-
- state->last_value.absolute = delta_absolute;
- state->residual = delta_gauge - ((gauge_t) delta_absolute);
- }
- else
- {
- assert (23 == 42);
- }
-
- state->last_time = t;
- *ret_value = state->last_value;
- return (0);
+int rate_to_value(value_t *ret_value, gauge_t rate, /* {{{ */
+ rate_to_value_state_t *state, int ds_type, cdtime_t t) {
+ gauge_t delta_gauge;
+ cdtime_t delta_t;
+
+ if (ds_type == DS_TYPE_GAUGE) {
+ state->last_value.gauge = rate;
+ state->last_time = t;
+
+ *ret_value = state->last_value;
+ return (0);
+ }
+
+ /* Counter and absolute can't handle negative rates. Reset "last time"
+ * to zero, so that the next valid rate will re-initialize the
+ * structure. */
+ if ((rate < 0.0) &&
+ ((ds_type == DS_TYPE_COUNTER) || (ds_type == DS_TYPE_ABSOLUTE))) {
+ memset(state, 0, sizeof(*state));
+ return (EINVAL);
+ }
+
+ /* Another invalid state: The time is not increasing. */
+ if (t <= state->last_time) {
+ memset(state, 0, sizeof(*state));
+ return (EINVAL);
+ }
+
+ delta_t = t - state->last_time;
+ delta_gauge = (rate * CDTIME_T_TO_DOUBLE(delta_t)) + state->residual;
+
+ /* Previous value is invalid. */
+ if (state->last_time == 0) /* {{{ */
+ {
+ if (ds_type == DS_TYPE_DERIVE) {
+ state->last_value.derive = (derive_t)rate;
+ state->residual = rate - ((gauge_t)state->last_value.derive);
+ } else if (ds_type == DS_TYPE_COUNTER) {
+ state->last_value.counter = (counter_t)rate;
+ state->residual = rate - ((gauge_t)state->last_value.counter);
+ } else if (ds_type == DS_TYPE_ABSOLUTE) {
+ state->last_value.absolute = (absolute_t)rate;
+ state->residual = rate - ((gauge_t)state->last_value.absolute);
+ } else {
+ assert(23 == 42);
+ }
+
+ state->last_time = t;
+ return (EAGAIN);
+ } /* }}} */
+
+ if (ds_type == DS_TYPE_DERIVE) {
+ derive_t delta_derive = (derive_t)delta_gauge;
+
+ state->last_value.derive += delta_derive;
+ state->residual = delta_gauge - ((gauge_t)delta_derive);
+ } else if (ds_type == DS_TYPE_COUNTER) {
+ counter_t delta_counter = (counter_t)delta_gauge;
+
+ state->last_value.counter += delta_counter;
+ state->residual = delta_gauge - ((gauge_t)delta_counter);
+ } else if (ds_type == DS_TYPE_ABSOLUTE) {
+ absolute_t delta_absolute = (absolute_t)delta_gauge;
+
+ state->last_value.absolute = delta_absolute;
+ state->residual = delta_gauge - ((gauge_t)delta_absolute);
+ } else {
+ assert(23 == 42);
+ }
+
+ state->last_time = t;
+ *ret_value = state->last_value;
+ return (0);
} /* }}} value_t rate_to_value */
-int value_to_rate (gauge_t *ret_rate, /* {{{ */
- value_t value, int ds_type, cdtime_t t, value_to_rate_state_t *state)
-{
- gauge_t interval;
-
- /* Another invalid state: The time is not increasing. */
- if (t <= state->last_time)
- {
- memset (state, 0, sizeof (*state));
- return (EINVAL);
- }
-
- interval = CDTIME_T_TO_DOUBLE(t - state->last_time);
-
- /* Previous value is invalid. */
- if (state->last_time == 0)
- {
- state->last_value = value;
- state->last_time = t;
- return (EAGAIN);
- }
-
- switch (ds_type) {
- case DS_TYPE_DERIVE: {
- derive_t diff = value.derive - state->last_value.derive;
- *ret_rate = ((gauge_t) diff) / ((gauge_t) interval);
- break;
- }
- case DS_TYPE_GAUGE: {
- *ret_rate = value.gauge;
- break;
- }
- case DS_TYPE_COUNTER: {
- counter_t diff = counter_diff (state->last_value.counter, value.counter);
- *ret_rate = ((gauge_t) diff) / ((gauge_t) interval);
- break;
- }
- case DS_TYPE_ABSOLUTE: {
- absolute_t diff = value.absolute;
- *ret_rate = ((gauge_t) diff) / ((gauge_t) interval);
- break;
- }
- default:
- return EINVAL;
- }
-
- state->last_value = value;
- state->last_time = t;
- return (0);
+int value_to_rate(gauge_t *ret_rate, /* {{{ */
+ value_t value, int ds_type, cdtime_t t,
+ value_to_rate_state_t *state) {
+ gauge_t interval;
+
+ /* Another invalid state: The time is not increasing. */
+ if (t <= state->last_time) {
+ memset(state, 0, sizeof(*state));
+ return (EINVAL);
+ }
+
+ interval = CDTIME_T_TO_DOUBLE(t - state->last_time);
+
+ /* Previous value is invalid. */
+ if (state->last_time == 0) {
+ state->last_value = value;
+ state->last_time = t;
+ return (EAGAIN);
+ }
+
+ switch (ds_type) {
+ case DS_TYPE_DERIVE: {
+ derive_t diff = value.derive - state->last_value.derive;
+ *ret_rate = ((gauge_t)diff) / ((gauge_t)interval);
+ break;
+ }
+ case DS_TYPE_GAUGE: {
+ *ret_rate = value.gauge;
+ break;
+ }
+ case DS_TYPE_COUNTER: {
+ counter_t diff = counter_diff(state->last_value.counter, value.counter);
+ *ret_rate = ((gauge_t)diff) / ((gauge_t)interval);
+ break;
+ }
+ case DS_TYPE_ABSOLUTE: {
+ absolute_t diff = value.absolute;
+ *ret_rate = ((gauge_t)diff) / ((gauge_t)interval);
+ break;
+ }
+ default:
+ return EINVAL;
+ }
+
+ state->last_value = value;
+ state->last_time = t;
+ return (0);
} /* }}} value_t rate_to_value */
-int service_name_to_port_number (const char *service_name)
-{
- struct addrinfo *ai_list;
- int status;
- int service_number;
-
- if (service_name == NULL)
- return (-1);
-
- struct addrinfo ai_hints = {
- .ai_family = AF_UNSPEC
- };
-
- status = getaddrinfo (/* node = */ NULL, service_name,
- &ai_hints, &ai_list);
- if (status != 0)
- {
- ERROR ("service_name_to_port_number: getaddrinfo failed: %s",
- gai_strerror (status));
- return (-1);
- }
-
- service_number = -1;
- for (struct addrinfo *ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
- {
- if (ai_ptr->ai_family == AF_INET)
- {
- struct sockaddr_in *sa;
-
- sa = (void *) ai_ptr->ai_addr;
- service_number = (int) ntohs (sa->sin_port);
- }
- else if (ai_ptr->ai_family == AF_INET6)
- {
- struct sockaddr_in6 *sa;
-
- sa = (void *) ai_ptr->ai_addr;
- service_number = (int) ntohs (sa->sin6_port);
- }
-
- if ((service_number > 0) && (service_number <= 65535))
- break;
- }
-
- freeaddrinfo (ai_list);
-
- if ((service_number > 0) && (service_number <= 65535))
- return (service_number);
- return (-1);
+int service_name_to_port_number(const char *service_name) {
+ struct addrinfo *ai_list;
+ int status;
+ int service_number;
+
+ if (service_name == NULL)
+ return (-1);
+
+ struct addrinfo ai_hints = {.ai_family = AF_UNSPEC};
+
+ status = getaddrinfo(/* node = */ NULL, service_name, &ai_hints, &ai_list);
+ if (status != 0) {
+ ERROR("service_name_to_port_number: getaddrinfo failed: %s",
+ gai_strerror(status));
+ return (-1);
+ }
+
+ service_number = -1;
+ for (struct addrinfo *ai_ptr = ai_list; ai_ptr != NULL;
+ ai_ptr = ai_ptr->ai_next) {
+ if (ai_ptr->ai_family == AF_INET) {
+ struct sockaddr_in *sa;
+
+ sa = (void *)ai_ptr->ai_addr;
+ service_number = (int)ntohs(sa->sin_port);
+ } else if (ai_ptr->ai_family == AF_INET6) {
+ struct sockaddr_in6 *sa;
+
+ sa = (void *)ai_ptr->ai_addr;
+ service_number = (int)ntohs(sa->sin6_port);
+ }
+
+ if ((service_number > 0) && (service_number <= 65535))
+ break;
+ }
+
+ freeaddrinfo(ai_list);
+
+ if ((service_number > 0) && (service_number <= 65535))
+ return (service_number);
+ return (-1);
} /* int service_name_to_port_number */
-void set_sock_opts (int sockfd) /* {{{ */
+void set_sock_opts(int sockfd) /* {{{ */
{
- int status;
- int socktype;
-
- status = getsockopt (sockfd, SOL_SOCKET, SO_TYPE,
- &socktype, &(socklen_t) { sizeof (socktype) });
- if (status != 0)
- {
- WARNING ("set_sock_opts: failed to determine socket type");
- return;
- }
+ int status;
+ int socktype;
+
+ status = getsockopt(sockfd, SOL_SOCKET, SO_TYPE, &socktype,
+ &(socklen_t){sizeof(socktype)});
+ if (status != 0) {
+ WARNING("set_sock_opts: failed to determine socket type");
+ return;
+ }
- if (socktype == SOCK_STREAM)
- {
- status = setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE,
- &(int) {1}, sizeof (int));
- if (status != 0)
- WARNING ("set_sock_opts: failed to set socket keepalive flag");
+ if (socktype == SOCK_STREAM) {
+ status =
+ setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &(int){1}, sizeof(int));
+ if (status != 0)
+ WARNING("set_sock_opts: failed to set socket keepalive flag");
#ifdef TCP_KEEPIDLE
- int tcp_keepidle = ((CDTIME_T_TO_MS(plugin_get_interval()) - 1) / 100 + 1);
- status = setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPIDLE,
- &tcp_keepidle, sizeof (tcp_keepidle));
- if (status != 0)
- WARNING ("set_sock_opts: failed to set socket tcp keepalive time");
+ int tcp_keepidle = ((CDTIME_T_TO_MS(plugin_get_interval()) - 1) / 100 + 1);
+ status = setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPIDLE, &tcp_keepidle,
+ sizeof(tcp_keepidle));
+ if (status != 0)
+ WARNING("set_sock_opts: failed to set socket tcp keepalive time");
#endif
#ifdef TCP_KEEPINTVL
- int tcp_keepintvl = ((CDTIME_T_TO_MS(plugin_get_interval()) - 1) / 1000 + 1);
- status = setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPINTVL,
- &tcp_keepintvl, sizeof (tcp_keepintvl));
- if (status != 0)
- WARNING ("set_sock_opts: failed to set socket tcp keepalive interval");
+ int tcp_keepintvl =
+ ((CDTIME_T_TO_MS(plugin_get_interval()) - 1) / 1000 + 1);
+ status = setsockopt(sockfd, IPPROTO_TCP, TCP_KEEPINTVL, &tcp_keepintvl,
+ sizeof(tcp_keepintvl));
+ if (status != 0)
+ WARNING("set_sock_opts: failed to set socket tcp keepalive interval");
#endif
- }
+ }
} /* }}} void set_sock_opts */
-int strtoderive (const char *string, derive_t *ret_value) /* {{{ */
+int strtoderive(const char *string, derive_t *ret_value) /* {{{ */
{
- derive_t tmp;
- char *endptr;
+ derive_t tmp;
+ char *endptr;
- if ((string == NULL) || (ret_value == NULL))
- return (EINVAL);
+ if ((string == NULL) || (ret_value == NULL))
+ return (EINVAL);
- errno = 0;
- endptr = NULL;
- tmp = (derive_t) strtoll (string, &endptr, /* base = */ 0);
- if ((endptr == string) || (errno != 0))
- return (-1);
+ errno = 0;
+ endptr = NULL;
+ tmp = (derive_t)strtoll(string, &endptr, /* base = */ 0);
+ if ((endptr == string) || (errno != 0))
+ return (-1);
- *ret_value = tmp;
- return (0);
+ *ret_value = tmp;
+ return (0);
} /* }}} int strtoderive */
-int strtogauge (const char *string, gauge_t *ret_value) /* {{{ */
+int strtogauge(const char *string, gauge_t *ret_value) /* {{{ */
{
- gauge_t tmp;
- char *endptr = NULL;
-
- if ((string == NULL) || (ret_value == NULL))
- return (EINVAL);
-
- errno = 0;
- endptr = NULL;
- tmp = (gauge_t) strtod (string, &endptr);
- if (errno != 0)
- return (errno);
- else if ((endptr == NULL) || (*endptr != 0))
- return (EINVAL);
-
- *ret_value = tmp;
- return (0);
+ gauge_t tmp;
+ char *endptr = NULL;
+
+ if ((string == NULL) || (ret_value == NULL))
+ return (EINVAL);
+
+ errno = 0;
+ endptr = NULL;
+ tmp = (gauge_t)strtod(string, &endptr);
+ if (errno != 0)
+ return (errno);
+ else if ((endptr == NULL) || (*endptr != 0))
+ return (EINVAL);
+
+ *ret_value = tmp;
+ return (0);
} /* }}} int strtogauge */
-int strarray_add (char ***ret_array, size_t *ret_array_len, char const *str) /* {{{ */
+int strarray_add(char ***ret_array, size_t *ret_array_len,
+ char const *str) /* {{{ */
{
- char **array;
- size_t array_len = *ret_array_len;
+ char **array;
+ size_t array_len = *ret_array_len;
- if (str == NULL)
- return (EINVAL);
+ if (str == NULL)
+ return (EINVAL);
- array = realloc (*ret_array,
- (array_len + 1) * sizeof (*array));
- if (array == NULL)
- return (ENOMEM);
- *ret_array = array;
+ array = realloc(*ret_array, (array_len + 1) * sizeof(*array));
+ if (array == NULL)
+ return (ENOMEM);
+ *ret_array = array;
- array[array_len] = strdup (str);
- if (array[array_len] == NULL)
- return (ENOMEM);
+ array[array_len] = strdup(str);
+ if (array[array_len] == NULL)
+ return (ENOMEM);
- array_len++;
- *ret_array_len = array_len;
- return (0);
+ array_len++;
+ *ret_array_len = array_len;
+ return (0);
} /* }}} int strarray_add */
-void strarray_free (char **array, size_t array_len) /* {{{ */
+void strarray_free(char **array, size_t array_len) /* {{{ */
{
- for (size_t i = 0; i < array_len; i++)
- sfree (array[i]);
- sfree (array);
+ for (size_t i = 0; i < array_len; i++)
+ sfree(array[i]);
+ sfree(array);
} /* }}} void strarray_free */
#if HAVE_CAPABILITY
-int check_capability (int arg) /* {{{ */
+int check_capability(int arg) /* {{{ */
{
- cap_value_t cap = (cap_value_t) arg;
+ cap_value_t cap = (cap_value_t)arg;
- if (!CAP_IS_SUPPORTED (cap))
- return (-1);
+ if (!CAP_IS_SUPPORTED(cap))
+ return (-1);
- int have_cap = cap_get_bound (cap);
- if (have_cap != 1)
- return (-1);
+ int have_cap = cap_get_bound(cap);
+ if (have_cap != 1)
+ return (-1);
- return (0);
+ return (0);
} /* }}} int check_capability */
#else
-int check_capability (__attribute__((unused)) int arg) /* {{{ */
+int check_capability(__attribute__((unused)) int arg) /* {{{ */
{
- WARNING ("check_capability: unsupported capability implementation. "
- "Some plugin(s) may require elevated privileges to work properly.");
- return (0);
+ WARNING("check_capability: unsupported capability implementation. "
+ "Some plugin(s) may require elevated privileges to work properly.");
+ return (0);
} /* }}} int check_capability */
#endif /* HAVE_CAPABILITY */
projects / collectd.git / blobdiff