#include <curl/curl.h>
-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 CURL *curl = NULL;
-
-static char *apache_buffer = NULL;
-static size_t apache_buffer_size = 0;
-static size_t apache_buffer_fill = 0;
-static char apache_curl_error[CURL_ERROR_SIZE];
+enum server_type
+{
+ APACHE = 0,
+ LIGHTTPD
+};
struct apache_s
{
char *verify_peer;
char *verify_host;
char *cacert;
+ char *apache_buffer;
+ char apache_curl_error[CURL_ERROR_SIZE];
+ size_t apache_buffer_size;
+ size_t apache_buffer_fill;
CURL *curl;
}; /* apache_s */
sfree (st->verify_peer);
sfree (st->verify_host);
sfree (st->cacert);
+ sfree (st->apache_buffer);
if (st->curl) {
curl_easy_cleanup(st->curl);
st->curl = NULL;
} /* apache_free */
static size_t apache_curl_callback (void *buf, size_t size, size_t nmemb,
- void __attribute__((unused)) *stream)
+ apache_t *st)
{
size_t len = size * nmemb;
if (len <= 0)
return (len);
- if ((apache_buffer_fill + len) >= apache_buffer_size)
+ if ((st->apache_buffer_fill + len) >= st->apache_buffer_size)
{
char *temp;
- temp = (char *) realloc (apache_buffer,
- apache_buffer_fill + len + 1);
+ temp = (char *) realloc (st->apache_buffer,
+ st->apache_buffer_fill + len + 1);
if (temp == NULL)
{
ERROR ("apache plugin: realloc failed.");
return (0);
}
- apache_buffer = temp;
- apache_buffer_size = apache_buffer_fill + len + 1;
+ st->apache_buffer = temp;
+ st->apache_buffer_size = st->apache_buffer_fill + len + 1;
}
- memcpy (apache_buffer + apache_buffer_fill, (char *) buf, len);
- apache_buffer_fill += len;
- apache_buffer[apache_buffer_fill] = 0;
+ memcpy (st->apache_buffer + st->apache_buffer_fill, (char *) buf, len);
+ st->apache_buffer_fill += len;
+ st->apache_buffer[st->apache_buffer_fill] = 0;
return (len);
} /* int apache_curl_callback */
status = config_set_string (&st->name, ci);
if (status != 0)
{
- sfree (st);
- return (status);
+ sfree (st);
+ return (status);
}
for (i = 0; i < ci->children_num; i++)
}
memset (lci, '\0', sizeof (*lci));
}
- if (strcasecmp ("Instance", child->key) == 0)
- {
- lci->key = child->key;
- lci->values = child->values;
- lci->values_num = child->values_num;
- lci->parent = child->parent;
- }
- else
+
+ lci->children_num++;
+ lci->children =
+ realloc (lci->children,
+ lci->children_num * sizeof (*child));
+ if (lci->children == NULL)
{
- lci->children_num++;
- lci->children =
- realloc (lci->children,
- lci->children_num * sizeof (*child));
- if (lci->children == NULL)
- {
- ERROR ("apache plugin: realloc failed.");
- return (-1);
- }
- memcpy (&lci->children[lci->children_num-1], child, sizeof (*child));
+ ERROR ("apache plugin: realloc failed.");
+ return (-1);
}
+ memcpy (&lci->children[lci->children_num-1], child, sizeof (*child));
}
} /* for (ci->children) */
if (lci)
{
- // create a <Instance ""> entry
+ /* create a <Instance ""> entry */
lci->key = "Instance";
lci->values_num = 1;
lci->values = (oconfig_value_t *) malloc (lci->values_num * sizeof (oconfig_value_t));
lci->values[0].value.string = "";
status = config_add (lci);
+ sfree (lci->values);
sfree (lci->children);
sfree (lci);
}
} /* int config */
-// initialize curl for each host
+/* initialize curl for each host */
static int init_host (apache_t *st) /* {{{ */
{
static char credentials[1024];
}
curl_easy_setopt (st->curl, CURLOPT_WRITEFUNCTION, apache_curl_callback);
+ curl_easy_setopt (st->curl, CURLOPT_WRITEDATA, st);
curl_easy_setopt (st->curl, CURLOPT_USERAGENT, PACKAGE_NAME"/"PACKAGE_VERSION);
- curl_easy_setopt (st->curl, CURLOPT_ERRORBUFFER, apache_curl_error);
+ curl_easy_setopt (st->curl, CURLOPT_ERRORBUFFER, st->apache_curl_error);
if (st->user != NULL)
{
return (0);
} /* int init */
-static void set_plugin (apache_t *st, value_list_t *vl)
+static void set_plugin_instance (apache_t *st, value_list_t *vl)
{
- // if there is no instance name, assume apache
- if ( (0 == strcmp(st->name, "")) )
+ /* if there is no instance name, don't set plugin_instance */
+ if ( (st->name != NULL)
+ && (apache_num > 0) )
{
- sstrncpy (vl->plugin, "apache", sizeof (vl->plugin));
- }
- else
- {
- sstrncpy (vl->plugin, st->name, sizeof (vl->plugin));
+ sstrncpy (vl->plugin_instance, st->name, sizeof (vl->plugin_instance));
}
} /* void set_plugin */
static void submit_counter (const char *type, const char *type_instance,
- counter_t value, char *host, apache_t *st)
+ counter_t value, apache_t *st)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
vl.values = values;
vl.values_len = 1;
- sstrncpy (vl.host, host, sizeof (vl.host));
+ sstrncpy (vl.host, st->host, sizeof (vl.host));
+ sstrncpy (vl.plugin, "apache", sizeof (vl.plugin));
sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
sstrncpy (vl.type_instance, type_instance,
sizeof (vl.type_instance));
- set_plugin (st, &vl);
+ set_plugin_instance (st, &vl);
plugin_dispatch_values (&vl);
} /* void submit_counter */
static void submit_gauge (const char *type, const char *type_instance,
- gauge_t value, char *host, apache_t *st)
+ gauge_t value, apache_t *st)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
vl.values = values;
vl.values_len = 1;
- sstrncpy (vl.host, host, sizeof (vl.host));
+ sstrncpy (vl.host, st->host, sizeof (vl.host));
+ sstrncpy (vl.plugin, "apache", sizeof (vl.plugin));
sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
sstrncpy (vl.type_instance, type_instance,
sizeof (vl.type_instance));
- set_plugin (st, &vl);
+ set_plugin_instance (st, &vl);
plugin_dispatch_values (&vl);
} /* void submit_counter */
-static void submit_scoreboard (char *buf, char *host, apache_t *st)
+static void submit_scoreboard (char *buf, int server, apache_t *st)
{
/*
* Scoreboard Key:
- * "_" Waiting for Connection, "S" Starting up, "R" Reading Request,
+ * "_" Waiting for Connection, "S" Starting up,
+ * "R" Reading Request for apache and read-POST for lighttpd,
* "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup,
* "C" Closing connection, "L" Logging, "G" Gracefully finishing,
* "I" Idle cleanup of worker, "." Open slot with no current process
+ * Lighttpd specific legends -
+ * "E" hard error, "." connect, "h" handle-request,
+ * "q" request-start, "Q" request-end, "s" response-start
+ * "S" response-end, "r" read
*/
long long open = 0LL;
long long waiting = 0LL;
long long finishing = 0LL;
long long idle_cleanup = 0LL;
+ /* lighttpd specific */
+ long long hard_error = 0LL;
+ long long lighttpd_read = 0LL;
+ long long handle_request = 0LL;
+ long long request_start = 0LL;
+ long long request_end = 0LL;
+ long long response_start = 0LL;
+ long long response_end = 0LL;
+
int i;
for (i = 0; buf[i] != '\0'; i++)
else if (buf[i] == 'L') logging++;
else if (buf[i] == 'G') finishing++;
else if (buf[i] == 'I') idle_cleanup++;
+ else if (buf[i] == 'r') lighttpd_read++;
+ else if (buf[i] == 'h') handle_request++;
+ else if (buf[i] == 'E') hard_error++;
+ else if (buf[i] == 'q') request_start++;
+ else if (buf[i] == 'Q') request_end++;
+ else if (buf[i] == 's') response_start++;
+ else if (buf[i] == 'S') response_end++;
}
- submit_gauge ("apache_scoreboard", "open" , open, host, st);
- submit_gauge ("apache_scoreboard", "waiting" , waiting, host, st);
- submit_gauge ("apache_scoreboard", "starting" , starting, host, st);
- submit_gauge ("apache_scoreboard", "reading" , reading, host, st);
- submit_gauge ("apache_scoreboard", "sending" , sending, host, st);
- submit_gauge ("apache_scoreboard", "keepalive", keepalive, host, st);
- submit_gauge ("apache_scoreboard", "dnslookup", dnslookup, host, st);
- submit_gauge ("apache_scoreboard", "closing" , closing, host, st);
- submit_gauge ("apache_scoreboard", "logging" , logging, host, st);
- submit_gauge ("apache_scoreboard", "finishing", finishing, host, st);
- submit_gauge ("apache_scoreboard", "idle_cleanup", idle_cleanup, host, st);
+ if (server == APACHE)
+ {
+ submit_gauge ("apache_scoreboard", "open" , open, st);
+ submit_gauge ("apache_scoreboard", "waiting" , waiting, st);
+ submit_gauge ("apache_scoreboard", "starting" , starting, st);
+ submit_gauge ("apache_scoreboard", "reading" , reading, st);
+ submit_gauge ("apache_scoreboard", "sending" , sending, st);
+ submit_gauge ("apache_scoreboard", "keepalive", keepalive, st);
+ submit_gauge ("apache_scoreboard", "dnslookup", dnslookup, st);
+ submit_gauge ("apache_scoreboard", "closing" , closing, st);
+ submit_gauge ("apache_scoreboard", "logging" , logging, st);
+ submit_gauge ("apache_scoreboard", "finishing", finishing, st);
+ submit_gauge ("apache_scoreboard", "idle_cleanup", idle_cleanup, st);
+ } else
+ {
+ submit_gauge ("apache_scoreboard", "connect" , open, st);
+ submit_gauge ("apache_scoreboard", "close" , closing, st);
+ submit_gauge ("apache_scoreboard", "hard_error" , hard_error, st);
+ submit_gauge ("apache_scoreboard", "read" , lighttpd_read, st);
+ submit_gauge ("apache_scoreboard", "read_post" , reading, st);
+ submit_gauge ("apache_scoreboard", "write" , sending, st);
+ submit_gauge ("apache_scoreboard", "handle_request", handle_request, st);
+ submit_gauge ("apache_scoreboard", "request_start" , request_start, st);
+ submit_gauge ("apache_scoreboard", "request_end" , request_end, st);
+ submit_gauge ("apache_scoreboard", "response_start", response_start, st);
+ submit_gauge ("apache_scoreboard", "response_end" , response_end, st);
+
+ }
}
static int apache_read_host (apache_t *st)
int lines_num = 0;
char *fields[4];
- char *host;
int fields_num;
+ int server = LIGHTTPD; /* default is lighttpd */
if (st->curl == NULL)
return (-1);
if (st->url == NULL)
return (-1);
- apache_buffer_fill = 0;
+ st->apache_buffer_fill = 0;
if (curl_easy_perform (st->curl) != 0)
{
ERROR ("apache: curl_easy_perform failed: %s",
- apache_curl_error);
+ st->apache_curl_error);
return (-1);
}
- ptr = apache_buffer;
+ ptr = st->apache_buffer;
saveptr = NULL;
while ((lines[lines_num] = strtok_r (ptr, "\n\r", &saveptr)) != NULL)
{
break;
}
- // set the host to localhost if st->host is not specified
+ /* set the host to localhost if st->host is not specified */
if ( (st->host == NULL)
|| (0 == strcmp(st->host, "")) ) {
st->host = hostname_g;
if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "Accesses:") == 0))
submit_counter ("apache_requests", "",
- atoll (fields[2]), st->host, st);
+ atoll (fields[2]), st);
else if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "kBytes:") == 0))
submit_counter ("apache_bytes", "",
- 1024LL * atoll (fields[2]), st->host, st);
+ 1024LL * atoll (fields[2]), st);
}
else if (fields_num == 2)
{
- if (strcmp (fields[0], "Scoreboard:") == 0)
- submit_scoreboard (fields[1], st->host, st);
+ /* find out if the server is apache from the mod_status
+ * output. apache mod_status output has additional
+ * fields which lighttpd mod_status output doesn't have
+ * e.g: ReqPerSec. submit_scoreboard needs server type
+ * information and thus it is important to pick up a
+ * field before scoreboard gets parsed to set the
+ * server type */
+ if (strcmp (fields[0], "ReqPerSec:") == 0)
+ server = APACHE;
+ else if (strcmp (fields[0], "Scoreboard:") == 0)
+ submit_scoreboard (fields[1], server, st);
else if (strcmp (fields[0], "BusyServers:") == 0)
- submit_gauge ("apache_connections", NULL, atol (fields[1]), st->host, st);
+ submit_gauge ("apache_connections", NULL, atol (fields[1]), st);
}
}
- apache_buffer_fill = 0;
+ st->apache_buffer_fill = 0;
return (0);
} /* int apache_read_host */
}
return (0);
- } /* int apache_read */
+} /* int apache_read */
void module_register (void)
{