898 lines
29 KiB
C
898 lines
29 KiB
C
#include "first.h"
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#include "base.h"
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#include "connections.h"
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#include "fdevent.h"
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#include "http_header.h"
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#include "log.h"
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#include "plugin.h"
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#include <sys/types.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <stdio.h>
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typedef struct {
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const buffer *config_url;
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const buffer *status_url;
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const buffer *statistics_url;
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int sort;
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} plugin_config;
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typedef struct {
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PLUGIN_DATA;
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plugin_config defaults;
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plugin_config conf;
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double traffic_out;
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double requests;
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double mod_5s_traffic_out[5];
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double mod_5s_requests[5];
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size_t mod_5s_ndx;
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double rel_traffic_out;
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double rel_requests;
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double abs_traffic_out;
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double abs_requests;
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double bytes_written;
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} plugin_data;
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INIT_FUNC(mod_status_init) {
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return calloc(1, sizeof(plugin_data));
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}
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static void mod_status_merge_config_cpv(plugin_config * const pconf, const config_plugin_value_t * const cpv) {
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switch (cpv->k_id) { /* index into static config_plugin_keys_t cpk[] */
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case 0: /* status.status-url */
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pconf->status_url = cpv->v.b;
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break;
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case 1: /* status.config-url */
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pconf->config_url = cpv->v.b;
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break;
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case 2: /* status.statistics-url */
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pconf->statistics_url = cpv->v.b;
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break;
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case 3: /* status.enable-sort */
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pconf->sort = (int)cpv->v.u;
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break;
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default:/* should not happen */
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return;
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}
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}
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static void mod_status_merge_config(plugin_config * const pconf, const config_plugin_value_t *cpv) {
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do {
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mod_status_merge_config_cpv(pconf, cpv);
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} while ((++cpv)->k_id != -1);
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}
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static void mod_status_patch_config(request_st * const r, plugin_data * const p) {
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p->conf = p->defaults; /* copy small struct instead of memcpy() */
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/*memcpy(&p->conf, &p->defaults, sizeof(plugin_config));*/
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for (int i = 1, used = p->nconfig; i < used; ++i) {
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if (config_check_cond(r, (uint32_t)p->cvlist[i].k_id))
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mod_status_merge_config(&p->conf, p->cvlist + p->cvlist[i].v.u2[0]);
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}
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}
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SETDEFAULTS_FUNC(mod_status_set_defaults) {
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static const config_plugin_keys_t cpk[] = {
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{ CONST_STR_LEN("status.status-url"),
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T_CONFIG_STRING,
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T_CONFIG_SCOPE_CONNECTION }
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,{ CONST_STR_LEN("status.config-url"),
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T_CONFIG_STRING,
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T_CONFIG_SCOPE_CONNECTION }
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,{ CONST_STR_LEN("status.statistics-url"),
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T_CONFIG_STRING,
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T_CONFIG_SCOPE_CONNECTION }
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,{ CONST_STR_LEN("status.enable-sort"),
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T_CONFIG_BOOL,
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T_CONFIG_SCOPE_CONNECTION }
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,{ NULL, 0,
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T_CONFIG_UNSET,
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T_CONFIG_SCOPE_UNSET }
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};
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plugin_data * const p = p_d;
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if (!config_plugin_values_init(srv, p, cpk, "mod_status"))
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return HANDLER_ERROR;
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p->defaults.sort = 1;
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/* initialize p->defaults from global config context */
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if (p->nconfig > 0 && p->cvlist->v.u2[1]) {
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const config_plugin_value_t *cpv = p->cvlist + p->cvlist->v.u2[0];
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if (-1 != cpv->k_id)
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mod_status_merge_config(&p->defaults, cpv);
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}
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return HANDLER_GO_ON;
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}
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static int mod_status_row_append(buffer *b, const char *key, const char *value) {
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buffer_append_string_len(b, CONST_STR_LEN(" <tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN(" <td><b>"));
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buffer_append_string(b, key);
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buffer_append_string_len(b, CONST_STR_LEN("</b></td>\n"));
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buffer_append_string_len(b, CONST_STR_LEN(" <td>"));
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buffer_append_string(b, value);
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buffer_append_string_len(b, CONST_STR_LEN("</td>\n"));
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buffer_append_string_len(b, CONST_STR_LEN(" </tr>\n"));
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return 0;
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}
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static int mod_status_header_append(buffer *b, const char *key) {
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buffer_append_string_len(b, CONST_STR_LEN(" <tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN(" <th colspan=\"2\">"));
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buffer_append_string(b, key);
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buffer_append_string_len(b, CONST_STR_LEN("</th>\n"));
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buffer_append_string_len(b, CONST_STR_LEN(" </tr>\n"));
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return 0;
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}
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static int mod_status_header_append_sort(buffer *b, plugin_data *p, const char* key) {
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if (p->conf.sort) {
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buffer_append_string_len(b, CONST_STR_LEN("<th class=\"status\"><a href=\"#\" class=\"sortheader\" onclick=\"resort(this);return false;\">"));
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buffer_append_string(b, key);
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buffer_append_string_len(b, CONST_STR_LEN("<span class=\"sortarrow\">:</span></a></th>\n"));
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} else {
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buffer_append_string_len(b, CONST_STR_LEN("<th class=\"status\">"));
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buffer_append_string(b, key);
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buffer_append_string_len(b, CONST_STR_LEN("</th>\n"));
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}
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return 0;
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}
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static int mod_status_get_multiplier(double *avg, char *multiplier, int size) {
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*multiplier = ' ';
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if (*avg > size) { *avg /= size; *multiplier = 'k'; }
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if (*avg > size) { *avg /= size; *multiplier = 'M'; }
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if (*avg > size) { *avg /= size; *multiplier = 'G'; }
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if (*avg > size) { *avg /= size; *multiplier = 'T'; }
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if (*avg > size) { *avg /= size; *multiplier = 'P'; }
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if (*avg > size) { *avg /= size; *multiplier = 'E'; }
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if (*avg > size) { *avg /= size; *multiplier = 'Z'; }
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if (*avg > size) { *avg /= size; *multiplier = 'Y'; }
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return 0;
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}
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static handler_t mod_status_handle_server_status_html(server *srv, request_st * const r, plugin_data *p) {
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buffer *b = chunkqueue_append_buffer_open(r->write_queue);
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double avg;
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uint32_t j;
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char multiplier = '\0';
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char buf[32];
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time_t ts;
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const time_t cur_ts = log_epoch_secs;
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int days, hours, mins, seconds;
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/*(CON_STATE_CLOSE must be last state in enum connection_state_t)*/
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int cstates[CON_STATE_CLOSE+3];
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memset(cstates, 0, sizeof(cstates));
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buffer_copy_string_len(b, CONST_STR_LEN(
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"<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n"
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"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
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" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"
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"<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n"
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" <head>\n"
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" <title>Status</title>\n"
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" <style type=\"text/css\">\n"
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" table.status { border: black solid thin; }\n"
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" td { white-space: nowrap; }\n"
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" td.int { background-color: #f0f0f0; text-align: right }\n"
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" td.string { background-color: #f0f0f0; text-align: left }\n"
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" th.status { background-color: black; color: white; font-weight: bold; }\n"
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" a.sortheader { background-color: black; color: white; font-weight: bold; text-decoration: none; display: block; }\n"
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" span.sortarrow { color: white; text-decoration: none; }\n"
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" </style>\n"));
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if (!buffer_string_is_empty(&r->uri.query) && 0 == memcmp(r->uri.query.ptr, CONST_STR_LEN("refresh="))) {
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/* Note: Refresh is an historical, but non-standard HTTP header
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* References (meta http-equiv="refresh" use is deprecated):
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* https://www.w3.org/TR/WCAG10-HTML-TECHS/#meta-element
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* https://www.w3.org/TR/WCAG10-CORE-TECHS/#auto-page-refresh
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* https://www.w3.org/QA/Tips/reback
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*/
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const long refresh = strtol(r->uri.query.ptr+sizeof("refresh=")-1, NULL, 10);
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if (refresh > 0) {
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buffer_append_string_len(b, CONST_STR_LEN("<meta http-equiv=\"refresh\" content=\""));
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buffer_append_int(b, refresh < 604800 ? refresh : 604800);
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buffer_append_string_len(b, CONST_STR_LEN("\">\n"));
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}
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}
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if (p->conf.sort) {
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buffer_append_string_len(b, CONST_STR_LEN(
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"<script type=\"text/javascript\">\n"
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"// <!--\n"
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"var sort_column;\n"
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"var prev_span = null;\n"
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"function get_inner_text(el) {\n"
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" if((typeof el == 'string')||(typeof el == 'undefined'))\n"
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" return el;\n"
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" if(el.innerText)\n"
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" return el.innerText;\n"
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" else {\n"
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" var str = \"\";\n"
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" var cs = el.childNodes;\n"
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" var l = cs.length;\n"
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" for (i=0;i<l;i++) {\n"
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" if (cs[i].nodeType==1) str += get_inner_text(cs[i]);\n"
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" else if (cs[i].nodeType==3) str += cs[i].nodeValue;\n"
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" }\n"
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" }\n"
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" return str;\n"
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"}\n"
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"function sortfn(a,b) {\n"
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" var at = get_inner_text(a.cells[sort_column]);\n"
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" var bt = get_inner_text(b.cells[sort_column]);\n"
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" if (a.cells[sort_column].className == 'int') {\n"
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" return parseInt(at)-parseInt(bt);\n"
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" } else {\n"
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" aa = at.toLowerCase();\n"
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" bb = bt.toLowerCase();\n"
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" if (aa==bb) return 0;\n"
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" else if (aa<bb) return -1;\n"
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" else return 1;\n"
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" }\n"
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"}\n"
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"function resort(lnk) {\n"
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" var span = lnk.childNodes[1];\n"
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" var table = lnk.parentNode.parentNode.parentNode.parentNode;\n"
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" var rows = new Array();\n"
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" for (j=1;j<table.rows.length;j++)\n"
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" rows[j-1] = table.rows[j];\n"
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" sort_column = lnk.parentNode.cellIndex;\n"
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" rows.sort(sortfn);\n"
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" if (prev_span != null) prev_span.innerHTML = '';\n"
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" if (span.getAttribute('sortdir')=='down') {\n"
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" span.innerHTML = '↑';\n"
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" span.setAttribute('sortdir','up');\n"
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" rows.reverse();\n"
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" } else {\n"
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" span.innerHTML = '↓';\n"
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" span.setAttribute('sortdir','down');\n"
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" }\n"
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" for (i=0;i<rows.length;i++)\n"
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" table.tBodies[0].appendChild(rows[i]);\n"
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" prev_span = span;\n"
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"}\n"
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"// -->\n"
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"</script>\n"));
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}
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buffer_append_string_len(b, CONST_STR_LEN(
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" </head>\n"
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" <body>\n"));
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/* connection listing */
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buffer_append_string_len(b, CONST_STR_LEN("<h1>Server-Status ("));
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buffer_append_string_buffer(b, r->conf.server_tag);
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buffer_append_string_len(b, CONST_STR_LEN(")</h1>"));
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buffer_append_string_len(b, CONST_STR_LEN("<table summary=\"status\" class=\"status\">"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Hostname</td><td class=\"string\">"));
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buffer_append_string_buffer(b, &r->uri.authority);
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buffer_append_string_len(b, CONST_STR_LEN(" ("));
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buffer_append_string_buffer(b, r->server_name);
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buffer_append_string_len(b, CONST_STR_LEN(")</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Uptime</td><td class=\"string\">"));
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ts = cur_ts - srv->startup_ts;
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days = ts / (60 * 60 * 24);
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ts %= (60 * 60 * 24);
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hours = ts / (60 * 60);
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ts %= (60 * 60);
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mins = ts / (60);
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ts %= (60);
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seconds = ts;
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if (days) {
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buffer_append_int(b, days);
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buffer_append_string_len(b, CONST_STR_LEN(" days "));
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}
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if (hours) {
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buffer_append_int(b, hours);
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buffer_append_string_len(b, CONST_STR_LEN(" hours "));
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}
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if (mins) {
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buffer_append_int(b, mins);
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buffer_append_string_len(b, CONST_STR_LEN(" min "));
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}
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buffer_append_int(b, seconds);
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buffer_append_string_len(b, CONST_STR_LEN(" s"));
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buffer_append_string_len(b, CONST_STR_LEN("</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Started at</td><td class=\"string\">"));
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ts = srv->startup_ts;
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strftime(buf, sizeof(buf) - 1, "%Y-%m-%d %H:%M:%S", localtime(&ts));
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buffer_append_string(b, buf);
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buffer_append_string_len(b, CONST_STR_LEN("</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><th colspan=\"2\">absolute (since start)</th></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Requests</td><td class=\"string\">"));
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avg = p->abs_requests;
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mod_status_get_multiplier(&avg, &multiplier, 1000);
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buffer_append_int(b, avg);
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buffer_append_string_len(b, CONST_STR_LEN(" "));
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if (multiplier) buffer_append_string_len(b, &multiplier, 1);
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buffer_append_string_len(b, CONST_STR_LEN("req</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Traffic</td><td class=\"string\">"));
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avg = p->abs_traffic_out;
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mod_status_get_multiplier(&avg, &multiplier, 1024);
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snprintf(buf, sizeof(buf), "%.2f", avg);
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buffer_append_string(b, buf);
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buffer_append_string_len(b, CONST_STR_LEN(" "));
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if (multiplier) buffer_append_string_len(b, &multiplier, 1);
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buffer_append_string_len(b, CONST_STR_LEN("byte</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><th colspan=\"2\">average (since start)</th></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Requests</td><td class=\"string\">"));
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avg = p->abs_requests / (cur_ts - srv->startup_ts);
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mod_status_get_multiplier(&avg, &multiplier, 1000);
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buffer_append_int(b, avg);
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buffer_append_string_len(b, CONST_STR_LEN(" "));
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if (multiplier) buffer_append_string_len(b, &multiplier, 1);
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buffer_append_string_len(b, CONST_STR_LEN("req/s</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Traffic</td><td class=\"string\">"));
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avg = p->abs_traffic_out / (cur_ts - srv->startup_ts);
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mod_status_get_multiplier(&avg, &multiplier, 1024);
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snprintf(buf, sizeof(buf), "%.2f", avg);
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buffer_append_string(b, buf);
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buffer_append_string_len(b, CONST_STR_LEN(" "));
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if (multiplier) buffer_append_string_len(b, &multiplier, 1);
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buffer_append_string_len(b, CONST_STR_LEN("byte/s</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<tr><th colspan=\"2\">average (5s sliding average)</th></tr>\n"));
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for (j = 0, avg = 0; j < 5; j++) {
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avg += p->mod_5s_requests[j];
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}
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avg /= 5;
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Requests</td><td class=\"string\">"));
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mod_status_get_multiplier(&avg, &multiplier, 1000);
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buffer_append_int(b, avg);
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buffer_append_string_len(b, CONST_STR_LEN(" "));
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if (multiplier) buffer_append_string_len(b, &multiplier, 1);
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buffer_append_string_len(b, CONST_STR_LEN("req/s</td></tr>\n"));
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for (j = 0, avg = 0; j < 5; j++) {
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avg += p->mod_5s_traffic_out[j];
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}
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avg /= 5;
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buffer_append_string_len(b, CONST_STR_LEN("<tr><td>Traffic</td><td class=\"string\">"));
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mod_status_get_multiplier(&avg, &multiplier, 1024);
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snprintf(buf, sizeof(buf), "%.2f", avg);
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buffer_append_string(b, buf);
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buffer_append_string_len(b, CONST_STR_LEN(" "));
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if (multiplier) buffer_append_string_len(b, &multiplier, 1);
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buffer_append_string_len(b, CONST_STR_LEN("byte/s</td></tr>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("</table>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<hr />\n<pre>\n"));
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buffer_append_string_len(b, CONST_STR_LEN("<b>"));
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buffer_append_int(b, srv->conns.used);
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buffer_append_string_len(b, CONST_STR_LEN(" connections</b>\n"));
|
|
|
|
for (j = 0; j < srv->conns.used; ++j) {
|
|
connection *c = srv->conns.ptr[j];
|
|
const request_st * const cr = &c->request;
|
|
const char *state;
|
|
|
|
if (CON_STATE_READ == cr->state && !buffer_string_is_empty(&cr->target_orig)) {
|
|
state = "k";
|
|
++cstates[CON_STATE_CLOSE+2];
|
|
} else {
|
|
state = connection_get_short_state(cr->state);
|
|
++cstates[(cr->state <= CON_STATE_CLOSE ? cr->state : CON_STATE_CLOSE+1)];
|
|
}
|
|
|
|
buffer_append_string_len(b, state, 1);
|
|
|
|
if (((j + 1) % 50) == 0) {
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
}
|
|
}
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n\n<table>\n"));
|
|
buffer_append_string_len(b, CONST_STR_LEN("<tr><td style=\"text-align:right\">"));
|
|
buffer_append_int(b, cstates[CON_STATE_CLOSE+2]);
|
|
buffer_append_string_len(b, CONST_STR_LEN("<td> k = keep-alive</td></tr>\n"));
|
|
for (j = 0; j < CON_STATE_CLOSE+2; ++j) {
|
|
/*(skip "unknown" state if there are none; there should not be any unknown)*/
|
|
if (0 == cstates[j] && j == CON_STATE_CLOSE+1) continue;
|
|
buffer_append_string_len(b, CONST_STR_LEN("<tr><td style=\"text-align:right\">"));
|
|
buffer_append_int(b, cstates[j]);
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td> "));
|
|
buffer_append_string_len(b, connection_get_short_state(j), 1);
|
|
buffer_append_string_len(b, CONST_STR_LEN(" = "));
|
|
buffer_append_string(b, connection_get_state(j));
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td></tr>\n"));
|
|
}
|
|
buffer_append_string_len(b, CONST_STR_LEN("</table>"));
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n</pre><hr />\n<h2>Connections</h2>\n"));
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("<table summary=\"status\" class=\"status\">\n"));
|
|
buffer_append_string_len(b, CONST_STR_LEN("<tr>"));
|
|
mod_status_header_append_sort(b, p, "Client IP");
|
|
mod_status_header_append_sort(b, p, "Read");
|
|
mod_status_header_append_sort(b, p, "Written");
|
|
mod_status_header_append_sort(b, p, "State");
|
|
mod_status_header_append_sort(b, p, "Time");
|
|
mod_status_header_append_sort(b, p, "Host");
|
|
mod_status_header_append_sort(b, p, "URI");
|
|
mod_status_header_append_sort(b, p, "File");
|
|
buffer_append_string_len(b, CONST_STR_LEN("</tr>\n"));
|
|
|
|
for (j = 0; j < srv->conns.used; ++j) {
|
|
connection *c = srv->conns.ptr[j];
|
|
const request_st * const cr = &c->request;
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("<tr><td class=\"string\">"));
|
|
|
|
buffer_append_string_buffer(b, c->dst_addr_buf);
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td class=\"int\">"));
|
|
|
|
if (cr->reqbody_length) {
|
|
buffer_append_int(b, cr->reqbody_queue->bytes_in);
|
|
buffer_append_string_len(b, CONST_STR_LEN("/"));
|
|
buffer_append_int(b, cr->reqbody_length);
|
|
} else {
|
|
buffer_append_string_len(b, CONST_STR_LEN("0/0"));
|
|
}
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td class=\"int\">"));
|
|
|
|
buffer_append_int(b, c->write_queue->bytes_out);
|
|
buffer_append_string_len(b, CONST_STR_LEN("/"));
|
|
buffer_append_int(b, c->write_queue->bytes_out + chunkqueue_length(c->write_queue));
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td class=\"string\">"));
|
|
|
|
if (CON_STATE_READ == cr->state && !buffer_string_is_empty(&cr->target_orig)) {
|
|
buffer_append_string_len(b, CONST_STR_LEN("keep-alive"));
|
|
} else {
|
|
buffer_append_string(b, connection_get_state(cr->state));
|
|
}
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td class=\"int\">"));
|
|
|
|
buffer_append_int(b, cur_ts - cr->start_ts);
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td class=\"string\">"));
|
|
|
|
if (buffer_string_is_empty(cr->server_name)) {
|
|
buffer_append_string_buffer(b, &cr->uri.authority);
|
|
}
|
|
else {
|
|
buffer_append_string_buffer(b, cr->server_name);
|
|
}
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td class=\"string\">"));
|
|
|
|
if (!buffer_string_is_empty(&cr->uri.path)) {
|
|
buffer_append_string_encoded(b, CONST_BUF_LEN(&cr->uri.path), ENCODING_HTML);
|
|
}
|
|
|
|
if (!buffer_string_is_empty(&cr->uri.query)) {
|
|
buffer_append_string_len(b, CONST_STR_LEN("?"));
|
|
buffer_append_string_encoded(b, CONST_BUF_LEN(&cr->uri.query), ENCODING_HTML);
|
|
}
|
|
|
|
if (!buffer_string_is_empty(&cr->target_orig)) {
|
|
buffer_append_string_len(b, CONST_STR_LEN(" ("));
|
|
buffer_append_string_encoded(b, CONST_BUF_LEN(&cr->target_orig), ENCODING_HTML);
|
|
buffer_append_string_len(b, CONST_STR_LEN(")"));
|
|
}
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td><td class=\"string\">"));
|
|
|
|
buffer_append_string_buffer(b, &cr->physical.path);
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("</td></tr>\n"));
|
|
}
|
|
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN(
|
|
"</table>\n"));
|
|
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN(
|
|
" </body>\n"
|
|
"</html>\n"
|
|
));
|
|
|
|
chunkqueue_append_buffer_commit(r->write_queue);
|
|
|
|
http_header_response_set(r, HTTP_HEADER_CONTENT_TYPE, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/html"));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static handler_t mod_status_handle_server_status_text(server *srv, request_st * const r, plugin_data *p) {
|
|
buffer *b = chunkqueue_append_buffer_open(r->write_queue);
|
|
double avg;
|
|
char buf[32];
|
|
|
|
/* output total number of requests */
|
|
buffer_append_string_len(b, CONST_STR_LEN("Total Accesses: "));
|
|
avg = p->abs_requests;
|
|
snprintf(buf, sizeof(buf) - 1, "%.0f", avg);
|
|
buffer_append_string(b, buf);
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
|
|
/* output total traffic out in kbytes */
|
|
buffer_append_string_len(b, CONST_STR_LEN("Total kBytes: "));
|
|
avg = p->abs_traffic_out / 1024;
|
|
snprintf(buf, sizeof(buf) - 1, "%.0f", avg);
|
|
buffer_append_string(b, buf);
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
|
|
/* output uptime */
|
|
buffer_append_string_len(b, CONST_STR_LEN("Uptime: "));
|
|
buffer_append_int(b, log_epoch_secs - srv->startup_ts);
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
|
|
/* output busy servers */
|
|
buffer_append_string_len(b, CONST_STR_LEN("BusyServers: "));
|
|
buffer_append_int(b, srv->conns.used);
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("IdleServers: "));
|
|
buffer_append_int(b, srv->conns.size - srv->conns.used);
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
|
|
/* output scoreboard */
|
|
buffer_append_string_len(b, CONST_STR_LEN("Scoreboard: "));
|
|
for (uint32_t i = 0; i < srv->conns.used; ++i) {
|
|
connection *c = srv->conns.ptr[i];
|
|
const request_st * const cr = &c->request;
|
|
const char *state =
|
|
(CON_STATE_READ == cr->state && !buffer_string_is_empty(&cr->target_orig))
|
|
? "k"
|
|
: connection_get_short_state(cr->state);
|
|
buffer_append_string_len(b, state, 1);
|
|
}
|
|
for (uint32_t i = 0; i < srv->conns.size - srv->conns.used; ++i) {
|
|
buffer_append_string_len(b, CONST_STR_LEN("_"));
|
|
}
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
|
|
chunkqueue_append_buffer_commit(r->write_queue);
|
|
|
|
/* set text/plain output */
|
|
http_header_response_set(r, HTTP_HEADER_CONTENT_TYPE, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/plain"));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static handler_t mod_status_handle_server_status_json(server *srv, request_st * const r, plugin_data *p) {
|
|
buffer *b = chunkqueue_append_buffer_open(r->write_queue);
|
|
double avg;
|
|
char buf[32];
|
|
uint32_t j;
|
|
unsigned int jsonp = 0;
|
|
|
|
if (buffer_string_length(&r->uri.query) >= sizeof("jsonp=")-1
|
|
&& 0 == memcmp(r->uri.query.ptr, CONST_STR_LEN("jsonp="))) {
|
|
/* not a full parse of query string for multiple parameters,
|
|
* not URL-decoding param and not XML-encoding (XSS protection),
|
|
* so simply ensure that json function name isalnum() or '_' */
|
|
const char *f = r->uri.query.ptr + sizeof("jsonp=")-1;
|
|
int len = 0;
|
|
while (light_isalnum(f[len]) || f[len] == '_') ++len;
|
|
if (0 != len && light_isalpha(f[0]) && f[len] == '\0') {
|
|
buffer_append_string_len(b, f, len);
|
|
buffer_append_string_len(b, CONST_STR_LEN("("));
|
|
jsonp = 1;
|
|
}
|
|
}
|
|
|
|
/* output total number of requests */
|
|
buffer_append_string_len(b, CONST_STR_LEN("{\n\t\"RequestsTotal\": "));
|
|
avg = p->abs_requests;
|
|
snprintf(buf, sizeof(buf) - 1, "%.0f", avg);
|
|
buffer_append_string(b, buf);
|
|
buffer_append_string_len(b, CONST_STR_LEN(",\n"));
|
|
|
|
/* output total traffic out in kbytes */
|
|
buffer_append_string_len(b, CONST_STR_LEN("\t\"TrafficTotal\": "));
|
|
avg = p->abs_traffic_out / 1024;
|
|
snprintf(buf, sizeof(buf) - 1, "%.0f", avg);
|
|
buffer_append_string(b, buf);
|
|
buffer_append_string_len(b, CONST_STR_LEN(",\n"));
|
|
|
|
/* output uptime */
|
|
buffer_append_string_len(b, CONST_STR_LEN("\t\"Uptime\": "));
|
|
buffer_append_int(b, log_epoch_secs - srv->startup_ts);
|
|
buffer_append_string_len(b, CONST_STR_LEN(",\n"));
|
|
|
|
/* output busy servers */
|
|
buffer_append_string_len(b, CONST_STR_LEN("\t\"BusyServers\": "));
|
|
buffer_append_int(b, srv->conns.used);
|
|
buffer_append_string_len(b, CONST_STR_LEN(",\n"));
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("\t\"IdleServers\": "));
|
|
buffer_append_int(b, srv->conns.size - srv->conns.used);
|
|
buffer_append_string_len(b, CONST_STR_LEN(",\n"));
|
|
|
|
for (j = 0, avg = 0; j < 5; j++) {
|
|
avg += p->mod_5s_requests[j];
|
|
}
|
|
|
|
avg /= 5;
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("\t\"RequestAverage5s\":"));
|
|
buffer_append_int(b, avg);
|
|
buffer_append_string_len(b, CONST_STR_LEN(",\n"));
|
|
|
|
for (j = 0, avg = 0; j < 5; j++) {
|
|
avg += p->mod_5s_traffic_out[j];
|
|
}
|
|
|
|
avg /= 5;
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN("\t\"TrafficAverage5s\":"));
|
|
buffer_append_int(b, avg / 1024); /* kbps */
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n}"));
|
|
|
|
if (jsonp) buffer_append_string_len(b, CONST_STR_LEN(");"));
|
|
|
|
chunkqueue_append_buffer_commit(r->write_queue);
|
|
|
|
/* set text/plain output */
|
|
http_header_response_set(r, HTTP_HEADER_CONTENT_TYPE, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("application/javascript"));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static handler_t mod_status_handle_server_statistics(request_st * const r) {
|
|
buffer *b;
|
|
size_t i;
|
|
array *st = &plugin_stats;
|
|
|
|
if (0 == st->used) {
|
|
/* we have nothing to send */
|
|
r->http_status = 204;
|
|
r->resp_body_finished = 1;
|
|
|
|
return HANDLER_FINISHED;
|
|
}
|
|
|
|
b = chunkqueue_append_buffer_open(r->write_queue);
|
|
for (i = 0; i < st->used; i++) {
|
|
buffer_append_string_buffer(b, &st->sorted[i]->key);
|
|
buffer_append_string_len(b, CONST_STR_LEN(": "));
|
|
buffer_append_int(b, ((data_integer *)st->sorted[i])->value);
|
|
buffer_append_string_len(b, CONST_STR_LEN("\n"));
|
|
}
|
|
chunkqueue_append_buffer_commit(r->write_queue);
|
|
|
|
http_header_response_set(r, HTTP_HEADER_CONTENT_TYPE, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/plain"));
|
|
|
|
r->http_status = 200;
|
|
r->resp_body_finished = 1;
|
|
|
|
return HANDLER_FINISHED;
|
|
}
|
|
|
|
|
|
static handler_t mod_status_handle_server_status(request_st * const r, plugin_data * const p) {
|
|
server * const srv = r->con->srv;
|
|
if (buffer_is_equal_string(&r->uri.query, CONST_STR_LEN("auto"))) {
|
|
mod_status_handle_server_status_text(srv, r, p);
|
|
} else if (buffer_string_length(&r->uri.query) >= sizeof("json")-1
|
|
&& 0 == memcmp(r->uri.query.ptr, CONST_STR_LEN("json"))) {
|
|
mod_status_handle_server_status_json(srv, r, p);
|
|
} else {
|
|
mod_status_handle_server_status_html(srv, r, p);
|
|
}
|
|
|
|
r->http_status = 200;
|
|
r->resp_body_finished = 1;
|
|
|
|
return HANDLER_FINISHED;
|
|
}
|
|
|
|
|
|
static handler_t mod_status_handle_server_config(request_st * const r) {
|
|
server * const srv = r->con->srv;
|
|
buffer *b = chunkqueue_append_buffer_open(r->write_queue);
|
|
|
|
buffer_copy_string_len(b, CONST_STR_LEN(
|
|
"<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n"
|
|
"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
|
|
" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"
|
|
"<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n"
|
|
" <head>\n"
|
|
" <title>Status</title>\n"
|
|
" </head>\n"
|
|
" <body>\n"
|
|
" <h1>"));
|
|
buffer_append_string_buffer(b, r->conf.server_tag);
|
|
buffer_append_string_len(b, CONST_STR_LEN(
|
|
"</h1>\n"
|
|
" <table summary=\"status\" border=\"1\">\n"));
|
|
|
|
mod_status_header_append(b, "Server-Features");
|
|
#ifdef HAVE_PCRE_H
|
|
mod_status_row_append(b, "RegEx Conditionals", "enabled");
|
|
#else
|
|
mod_status_row_append(b, "RegEx Conditionals", "disabled - pcre missing");
|
|
#endif
|
|
mod_status_header_append(b, "Network Engine");
|
|
|
|
mod_status_row_append(b, "fd-Event-Handler", srv->srvconf.event_handler);
|
|
|
|
mod_status_header_append(b, "Config-File-Settings");
|
|
|
|
buffer *m = r->tmp_buf;
|
|
buffer_clear(m);
|
|
for (uint32_t i = 0; i < srv->plugins.used; ++i) {
|
|
const char *name = ((plugin **)srv->plugins.ptr)[i]->name;
|
|
if (i != 0) {
|
|
buffer_append_string_len(m, CONST_STR_LEN("<br />"));
|
|
}
|
|
buffer_append_string_len(m, name, strlen(name));
|
|
}
|
|
mod_status_row_append(b, "Loaded Modules", m->ptr);
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN(" </table>\n"));
|
|
|
|
buffer_append_string_len(b, CONST_STR_LEN(
|
|
" </body>\n"
|
|
"</html>\n"
|
|
));
|
|
|
|
chunkqueue_append_buffer_commit(r->write_queue);
|
|
|
|
http_header_response_set(r, HTTP_HEADER_CONTENT_TYPE, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/html"));
|
|
|
|
r->http_status = 200;
|
|
r->resp_body_finished = 1;
|
|
|
|
return HANDLER_FINISHED;
|
|
}
|
|
|
|
static handler_t mod_status_handler(request_st * const r, void *p_d) {
|
|
plugin_data *p = p_d;
|
|
|
|
if (NULL != r->handler_module) return HANDLER_GO_ON;
|
|
|
|
mod_status_patch_config(r, p);
|
|
|
|
if (!buffer_string_is_empty(p->conf.status_url) &&
|
|
buffer_is_equal(p->conf.status_url, &r->uri.path)) {
|
|
return mod_status_handle_server_status(r, p);
|
|
} else if (!buffer_string_is_empty(p->conf.config_url) &&
|
|
buffer_is_equal(p->conf.config_url, &r->uri.path)) {
|
|
return mod_status_handle_server_config(r);
|
|
} else if (!buffer_string_is_empty(p->conf.statistics_url) &&
|
|
buffer_is_equal(p->conf.statistics_url, &r->uri.path)) {
|
|
return mod_status_handle_server_statistics(r);
|
|
}
|
|
|
|
return HANDLER_GO_ON;
|
|
}
|
|
|
|
TRIGGER_FUNC(mod_status_trigger) {
|
|
plugin_data *p = p_d;
|
|
|
|
/* check all connections */
|
|
for (uint32_t i = 0; i < srv->conns.used; ++i) {
|
|
connection *c = srv->conns.ptr[i];
|
|
|
|
p->bytes_written += c->bytes_written_cur_second;
|
|
}
|
|
|
|
/* a sliding average */
|
|
p->mod_5s_traffic_out[p->mod_5s_ndx] = p->bytes_written;
|
|
p->mod_5s_requests [p->mod_5s_ndx] = p->requests;
|
|
|
|
p->mod_5s_ndx = (p->mod_5s_ndx+1) % 5;
|
|
|
|
p->abs_traffic_out += p->bytes_written;
|
|
p->rel_traffic_out += p->bytes_written;
|
|
|
|
p->bytes_written = 0;
|
|
|
|
/* reset storage - second */
|
|
p->traffic_out = 0;
|
|
p->requests = 0;
|
|
|
|
return HANDLER_GO_ON;
|
|
}
|
|
|
|
REQUESTDONE_FUNC(mod_status_account) {
|
|
plugin_data *p = p_d;
|
|
|
|
p->requests++;
|
|
p->rel_requests++;
|
|
p->abs_requests++;
|
|
|
|
p->bytes_written += r->con->bytes_written_cur_second;
|
|
|
|
return HANDLER_GO_ON;
|
|
}
|
|
|
|
|
|
int mod_status_plugin_init(plugin *p);
|
|
int mod_status_plugin_init(plugin *p) {
|
|
p->version = LIGHTTPD_VERSION_ID;
|
|
p->name = "status";
|
|
|
|
p->init = mod_status_init;
|
|
p->set_defaults= mod_status_set_defaults;
|
|
|
|
p->handle_uri_clean = mod_status_handler;
|
|
p->handle_trigger = mod_status_trigger;
|
|
p->handle_request_done = mod_status_account;
|
|
|
|
return 0;
|
|
}
|