* Copyright (C) 2006-2010 Florian octo Forster
* Copyright (C) 2008 Sebastian Harl
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* Authors:
* Florian octo Forster <octo at collectd.org>
**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
-#include "configfile.h"
#include <curl/curl.h>
-static char *url = NULL;
-static char *user = NULL;
-static char *pass = NULL;
+static char *url = NULL;
+static char *user = NULL;
+static char *pass = NULL;
static char *verify_peer = NULL;
static char *verify_host = NULL;
-static char *cacert = NULL;
+static char *cacert = NULL;
+static char *timeout = NULL;
static CURL *curl = NULL;
-static char nginx_buffer[16384];
+static char nginx_buffer[16384];
static size_t nginx_buffer_len = 0;
-static char nginx_curl_error[CURL_ERROR_SIZE];
-
-static const char *config_keys[] =
-{
- "URL",
- "User",
- "Password",
- "VerifyPeer",
- "VerifyHost",
- "CACert"
-};
-static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
-
-static size_t nginx_curl_callback (void *buf, size_t size, size_t nmemb,
- void __attribute__((unused)) *stream)
-{
+static char nginx_curl_error[CURL_ERROR_SIZE];
+
+static const char *config_keys[] = {
+ "URL", "User", "Password", "VerifyPeer", "VerifyHost", "CACert", "Timeout"};
+static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
+
+static size_t nginx_curl_callback(void *buf, size_t size, size_t nmemb,
+ void __attribute__((unused)) * stream) {
size_t len = size * nmemb;
/* Check if the data fits into the memory. If not, truncate it. */
- if ((nginx_buffer_len + len) >= sizeof (nginx_buffer))
- {
- assert (sizeof (nginx_buffer) > nginx_buffer_len);
- len = (sizeof (nginx_buffer) - 1) - nginx_buffer_len;
+ if ((nginx_buffer_len + len) >= sizeof(nginx_buffer)) {
+ assert(sizeof(nginx_buffer) > nginx_buffer_len);
+ len = (sizeof(nginx_buffer) - 1) - nginx_buffer_len;
}
- if (len <= 0)
+ if (len == 0)
return (len);
- memcpy (&nginx_buffer[nginx_buffer_len], buf, len);
+ memcpy(&nginx_buffer[nginx_buffer_len], buf, len);
nginx_buffer_len += len;
nginx_buffer[nginx_buffer_len] = 0;
return (len);
}
-static int config_set (char **var, const char *value)
-{
- if (*var != NULL)
- {
- free (*var);
+static int config_set(char **var, const char *value) {
+ if (*var != NULL) {
+ free(*var);
*var = NULL;
}
- if ((*var = strdup (value)) == NULL)
+ if ((*var = strdup(value)) == NULL)
return (1);
else
return (0);
}
-static int config (const char *key, const char *value)
-{
- if (strcasecmp (key, "url") == 0)
- return (config_set (&url, value));
- else if (strcasecmp (key, "user") == 0)
- return (config_set (&user, value));
- else if (strcasecmp (key, "password") == 0)
- return (config_set (&pass, value));
- else if (strcasecmp (key, "verifypeer") == 0)
- return (config_set (&verify_peer, value));
- else if (strcasecmp (key, "verifyhost") == 0)
- return (config_set (&verify_host, value));
- else if (strcasecmp (key, "cacert") == 0)
- return (config_set (&cacert, value));
+static int config(const char *key, const char *value) {
+ if (strcasecmp(key, "url") == 0)
+ return (config_set(&url, value));
+ else if (strcasecmp(key, "user") == 0)
+ return (config_set(&user, value));
+ else if (strcasecmp(key, "password") == 0)
+ return (config_set(&pass, value));
+ else if (strcasecmp(key, "verifypeer") == 0)
+ return (config_set(&verify_peer, value));
+ else if (strcasecmp(key, "verifyhost") == 0)
+ return (config_set(&verify_host, value));
+ else if (strcasecmp(key, "cacert") == 0)
+ return (config_set(&cacert, value));
+ else if (strcasecmp(key, "timeout") == 0)
+ return (config_set(&timeout, value));
else
return (-1);
} /* int config */
-static int init (void)
-{
- static char credentials[1024];
-
+static int init(void) {
if (curl != NULL)
- curl_easy_cleanup (curl);
+ curl_easy_cleanup(curl);
- if ((curl = curl_easy_init ()) == NULL)
- {
- ERROR ("nginx plugin: curl_easy_init failed.");
+ if ((curl = curl_easy_init()) == NULL) {
+ ERROR("nginx plugin: curl_easy_init failed.");
return (-1);
}
- curl_easy_setopt (curl, CURLOPT_NOSIGNAL, 1L);
- curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, nginx_curl_callback);
- curl_easy_setopt (curl, CURLOPT_USERAGENT, PACKAGE_NAME"/"PACKAGE_VERSION);
- curl_easy_setopt (curl, CURLOPT_ERRORBUFFER, nginx_curl_error);
-
- if (user != NULL)
- {
- int status = ssnprintf (credentials, sizeof (credentials),
- "%s:%s", user, pass == NULL ? "" : pass);
- if ((status < 0) || ((size_t) status >= sizeof (credentials)))
- {
- ERROR ("nginx plugin: Credentials would have been truncated.");
+ curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, nginx_curl_callback);
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
+ curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, nginx_curl_error);
+
+ if (user != NULL) {
+#ifdef HAVE_CURLOPT_USERNAME
+ curl_easy_setopt(curl, CURLOPT_USERNAME, user);
+ curl_easy_setopt(curl, CURLOPT_PASSWORD, (pass == NULL) ? "" : pass);
+#else
+ static char credentials[1024];
+ int status = ssnprintf(credentials, sizeof(credentials), "%s:%s", user,
+ pass == NULL ? "" : pass);
+ if ((status < 0) || ((size_t)status >= sizeof(credentials))) {
+ ERROR("nginx plugin: Credentials would have been truncated.");
return (-1);
}
- curl_easy_setopt (curl, CURLOPT_USERPWD, credentials);
+ curl_easy_setopt(curl, CURLOPT_USERPWD, credentials);
+#endif
}
- if (url != NULL)
- {
- curl_easy_setopt (curl, CURLOPT_URL, url);
+ if (url != NULL) {
+ curl_easy_setopt(curl, CURLOPT_URL, url);
}
- curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1L);
- curl_easy_setopt (curl, CURLOPT_MAXREDIRS, 50L);
+ curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+ curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 50L);
- if ((verify_peer == NULL) || IS_TRUE (verify_peer))
- {
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 1L);
- }
- else
- {
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 0L);
+ if ((verify_peer == NULL) || IS_TRUE(verify_peer)) {
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
+ } else {
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
}
- if ((verify_host == NULL) || IS_TRUE (verify_host))
- {
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 2L);
+ if ((verify_host == NULL) || IS_TRUE(verify_host)) {
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L);
+ } else {
+ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
}
- else
- {
- curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 0L);
+
+ if (cacert != NULL) {
+ curl_easy_setopt(curl, CURLOPT_CAINFO, cacert);
}
- if (cacert != NULL)
- {
- curl_easy_setopt (curl, CURLOPT_CAINFO, cacert);
+#ifdef HAVE_CURLOPT_TIMEOUT_MS
+ if (timeout != NULL) {
+ curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, atol(timeout));
+ } else {
+ curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS,
+ (long)CDTIME_T_TO_MS(plugin_get_interval()));
}
+#endif
return (0);
} /* void init */
-static void submit (char *type, char *inst, long long value)
-{
+static void submit(const char *type, const char *inst, long long value) {
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- if (strcmp (type, "nginx_connections") == 0)
+ if (strcmp(type, "nginx_connections") == 0)
values[0].gauge = value;
- else if (strcmp (type, "nginx_requests") == 0)
+ else if (strcmp(type, "nginx_requests") == 0)
values[0].derive = value;
- else if (strcmp (type, "connections") == 0)
+ else if (strcmp(type, "connections") == 0)
values[0].derive = value;
else
return;
vl.values = values;
- vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "nginx", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
+ vl.values_len = STATIC_ARRAY_SIZE(values);
+ sstrncpy(vl.plugin, "nginx", sizeof(vl.plugin));
+ sstrncpy(vl.type, type, sizeof(vl.type));
if (inst != NULL)
- sstrncpy (vl.type_instance, inst, sizeof (vl.type_instance));
+ sstrncpy(vl.type_instance, inst, sizeof(vl.type_instance));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
} /* void submit */
-static int nginx_read (void)
-{
- int i;
-
+static int nginx_read(void) {
char *ptr;
char *lines[16];
- int lines_num = 0;
+ int lines_num = 0;
char *saveptr;
char *fields[16];
- int fields_num;
+ int fields_num;
if (curl == NULL)
return (-1);
return (-1);
nginx_buffer_len = 0;
- if (curl_easy_perform (curl) != CURLE_OK)
- {
- WARNING ("nginx plugin: curl_easy_perform failed: %s", nginx_curl_error);
+ if (curl_easy_perform(curl) != CURLE_OK) {
+ WARNING("nginx plugin: curl_easy_perform failed: %s", nginx_curl_error);
return (-1);
}
ptr = nginx_buffer;
saveptr = NULL;
- while ((lines[lines_num] = strtok_r (ptr, "\n\r", &saveptr)) != NULL)
- {
+ while ((lines[lines_num] = strtok_r(ptr, "\n\r", &saveptr)) != NULL) {
ptr = NULL;
lines_num++;
/*
* Active connections: 291
* server accepts handled requests
- * 16630948 16630948 31070465
+ * 101059015 100422216 347910649
* Reading: 6 Writing: 179 Waiting: 106
*/
- for (i = 0; i < lines_num; i++)
- {
- fields_num = strsplit (lines[i], fields,
- (sizeof (fields) / sizeof (fields[0])));
-
- if (fields_num == 3)
- {
- if ((strcmp (fields[0], "Active") == 0)
- && (strcmp (fields[1], "connections:") == 0))
- {
- submit ("nginx_connections", "active", atoll (fields[2]));
+ for (int i = 0; i < lines_num; i++) {
+ fields_num =
+ strsplit(lines[i], fields, (sizeof(fields) / sizeof(fields[0])));
+
+ if (fields_num == 3) {
+ if ((strcmp(fields[0], "Active") == 0) &&
+ (strcmp(fields[1], "connections:") == 0)) {
+ submit("nginx_connections", "active", atoll(fields[2]));
+ } else if ((atoll(fields[0]) != 0) && (atoll(fields[1]) != 0) &&
+ (atoll(fields[2]) != 0)) {
+ submit("connections", "accepted", atoll(fields[0]));
+ /* TODO: The legacy metric "handled", which is the sum of "accepted" and
+ * "failed", is reported for backwards compatibility only. Remove in the
+ * next major version. */
+ submit("connections", "handled", atoll(fields[1]));
+ submit("connections", "failed", (atoll(fields[0]) - atoll(fields[1])));
+ submit("nginx_requests", NULL, atoll(fields[2]));
}
- else if ((atoll (fields[0]) != 0)
- && (atoll (fields[1]) != 0)
- && (atoll (fields[2]) != 0))
- {
- submit ("connections", "accepted", atoll (fields[0]));
- submit ("connections", "handled", atoll (fields[1]));
- submit ("nginx_requests", NULL, atoll (fields[2]));
- }
- }
- else if (fields_num == 6)
- {
- if ((strcmp (fields[0], "Reading:") == 0)
- && (strcmp (fields[2], "Writing:") == 0)
- && (strcmp (fields[4], "Waiting:") == 0))
- {
- submit ("nginx_connections", "reading", atoll (fields[1]));
- submit ("nginx_connections", "writing", atoll (fields[3]));
- submit ("nginx_connections", "waiting", atoll (fields[5]));
+ } else if (fields_num == 6) {
+ if ((strcmp(fields[0], "Reading:") == 0) &&
+ (strcmp(fields[2], "Writing:") == 0) &&
+ (strcmp(fields[4], "Waiting:") == 0)) {
+ submit("nginx_connections", "reading", atoll(fields[1]));
+ submit("nginx_connections", "writing", atoll(fields[3]));
+ submit("nginx_connections", "waiting", atoll(fields[5]));
}
}
}
return (0);
} /* int nginx_read */
-void module_register (void)
-{
- plugin_register_config ("nginx", config, config_keys, config_keys_num);
- plugin_register_init ("nginx", init);
- plugin_register_read ("nginx", nginx_read);
+void module_register(void) {
+ plugin_register_config("nginx", config, config_keys, config_keys_num);
+ plugin_register_init("nginx", init);
+ plugin_register_read("nginx", nginx_read);
} /* void module_register */
-
-/*
- * vim: set shiftwidth=2 softtabstop=2 tabstop=8 :
- */
projects / collectd.git / blobdiff