/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* Status Module. Display lots of internal data about how Apache is * performing and the state of all children processes. * * To enable this, add the following lines into any config file: * * <Location /server-status> * SetHandler server-status * </Location> * * You may want to protect this location by password or domain so no one * else can look at it. Then you can access the statistics with a URL like: * * http://your_server_name/server-status * * /server-status - Returns page using tables * /server-status?notable - Returns page for browsers without table support * /server-status?refresh - Returns page with 1 second refresh * /server-status?refresh=6 - Returns page with refresh every 6 seconds * /server-status?auto - Returns page with data for automatic parsing * * Mark Cox, mark@ukweb.com, November 1995 * * 12.11.95 Initial version for www.telescope.org * 13.3.96 Updated to remove rprintf's [Mark] * 18.3.96 Added CPU usage, process information, and tidied [Ben Laurie] * 18.3.96 Make extra Scoreboard variables #definable * 25.3.96 Make short report have full precision [Ben Laurie suggested] * 25.3.96 Show uptime better [Mark/Ben Laurie] * 29.3.96 Better HTML and explanation [Mark/Rob Hartill suggested] * 09.4.96 Added message for non-STATUS compiled version * 18.4.96 Added per child and per slot counters [Jim Jagielski] * 01.5.96 Table format, cleanup, even more spiffy data [Chuck Murcko/Jim J.] * 18.5.96 Adapted to use new rprintf() routine, incidentally fixing a missing * piece in short reports [Ben Laurie] * 21.5.96 Additional Status codes (DNS and LOGGING only enabled if * extended STATUS is enabled) [George Burgyan/Jim J.] * 10.8.98 Allow for extended status info at runtime (no more STATUS) * [Jim J.] */ #define CORE_PRIVATE #include "httpd.h" #include "http_config.h" #include "http_core.h" #include "http_protocol.h" #include "http_main.h" #include "ap_mpm.h" #include "util_script.h" #include <time.h> #include "scoreboard.h" #include "http_log.h" #include "mod_status.h" #if APR_HAVE_UNISTD_H #include <unistd.h> #endif #define APR_WANT_STRFUNC #include "apr_want.h" #include "apr_strings.h" #ifdef NEXT #if (NX_CURRENT_COMPILER_RELEASE == 410) #ifdef m68k #define HZ 64 #else #define HZ 100 #endif #else #include <machine/param.h> #endif #endif /* NEXT */ #define STATUS_MAXLINE 64 #define KBYTE 1024 #define MBYTE 1048576L #define GBYTE 1073741824L #ifndef DEFAULT_TIME_FORMAT #define DEFAULT_TIME_FORMAT "%A, %d-%b-%Y %H:%M:%S %Z" #endif #define STATUS_MAGIC_TYPE "application/x-httpd-status" module AP_MODULE_DECLARE_DATA status_module; static int server_limit, thread_limit; /* Implement 'ap_run_status_hook'. */ APR_IMPLEMENT_OPTIONAL_HOOK_RUN_ALL(ap, STATUS, int, status_hook, (request_rec *r, int flags), (r, flags), OK, DECLINED) #ifdef HAVE_TIMES /* ugh... need to know if we're running with a pthread implementation * such as linuxthreads that treats individual threads as distinct * processes; that affects how we add up CPU time in a process */ static pid_t child_pid; #endif /* * command-related code. This is here to prevent use of ExtendedStatus * without status_module included. */ static const char *set_extended_status(cmd_parms *cmd, void *dummy, int arg) { const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); if (err != NULL) { return err; } ap_extended_status = arg; return NULL; } static const char *set_reqtail(cmd_parms *cmd, void *dummy, int arg) { const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); if (err != NULL) { return err; } ap_mod_status_reqtail = arg; return NULL; } static const command_rec status_module_cmds[] = { AP_INIT_FLAG("ExtendedStatus", set_extended_status, NULL, RSRC_CONF, "\"On\" to enable extended status information, \"Off\" to disable"), AP_INIT_FLAG("SeeRequestTail", set_reqtail, NULL, RSRC_CONF, "For verbose requests, \"On\" to see the last 63 chars of the request, " "\"Off\" (default) to see the first 63 in extended status display"), {NULL} }; /* Format the number of bytes nicely */ static void format_byte_out(request_rec *r, apr_off_t bytes) { if (bytes < (5 * KBYTE)) ap_rprintf(r, "%d B", (int) bytes); else if (bytes < (MBYTE / 2)) ap_rprintf(r, "%.1f kB", (float) bytes / KBYTE); else if (bytes < (GBYTE / 2)) ap_rprintf(r, "%.1f MB", (float) bytes / MBYTE); else ap_rprintf(r, "%.1f GB", (float) bytes / GBYTE); } static void format_kbyte_out(request_rec *r, apr_off_t kbytes) { if (kbytes < KBYTE) ap_rprintf(r, "%d kB", (int) kbytes); else if (kbytes < MBYTE) ap_rprintf(r, "%.1f MB", (float) kbytes / KBYTE); else ap_rprintf(r, "%.1f GB", (float) kbytes / MBYTE); } static void show_time(request_rec *r, apr_interval_time_t tsecs) { int days, hrs, mins, secs; secs = (int)(tsecs % 60); tsecs /= 60; mins = (int)(tsecs % 60); tsecs /= 60; hrs = (int)(tsecs % 24); days = (int)(tsecs / 24); if (days) ap_rprintf(r, " %d day%s", days, days == 1 ? "" : "s"); if (hrs) ap_rprintf(r, " %d hour%s", hrs, hrs == 1 ? "" : "s"); if (mins) ap_rprintf(r, " %d minute%s", mins, mins == 1 ? "" : "s"); if (secs) ap_rprintf(r, " %d second%s", secs, secs == 1 ? "" : "s"); } /* Main handler for x-httpd-status requests */ /* ID values for command table */ #define STAT_OPT_END -1 #define STAT_OPT_REFRESH 0 #define STAT_OPT_NOTABLE 1 #define STAT_OPT_AUTO 2 struct stat_opt { int id; const char *form_data_str; const char *hdr_out_str; }; static const struct stat_opt status_options[] = /* see #defines above */ { {STAT_OPT_REFRESH, "refresh", "Refresh"}, {STAT_OPT_NOTABLE, "notable", NULL}, {STAT_OPT_AUTO, "auto", NULL}, {STAT_OPT_END, NULL, NULL} }; static char status_flags[SERVER_NUM_STATUS]; static int status_handler(request_rec *r) { const char *loc; apr_time_t nowtime; apr_interval_time_t up_time; int j, i, res; int ready; int busy; unsigned long count; unsigned long lres, my_lres, conn_lres; apr_off_t bytes, my_bytes, conn_bytes; apr_off_t bcount, kbcount; long req_time; #ifdef HAVE_TIMES float tick; int times_per_thread = getpid() != child_pid; #endif int short_report; int no_table_report; worker_score *ws_record; process_score *ps_record; char *stat_buffer; pid_t *pid_buffer, worker_pid; clock_t tu, ts, tcu, tcs; ap_generation_t worker_generation; if (strcmp(r->handler, STATUS_MAGIC_TYPE) && strcmp(r->handler, "server-status")) { return DECLINED; } #ifdef HAVE_TIMES #ifdef _SC_CLK_TCK tick = sysconf(_SC_CLK_TCK); #else tick = HZ; #endif #endif ready = 0; busy = 0; count = 0; bcount = 0; kbcount = 0; short_report = 0; no_table_report = 0; pid_buffer = apr_palloc(r->pool, server_limit * sizeof(pid_t)); stat_buffer = apr_palloc(r->pool, server_limit * thread_limit * sizeof(char)); nowtime = apr_time_now(); tu = ts = tcu = tcs = 0; if (!ap_exists_scoreboard_image()) { ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "Server status unavailable in inetd mode"); return HTTP_INTERNAL_SERVER_ERROR; } r->allowed = (AP_METHOD_BIT << M_GET); if (r->method_number != M_GET) return DECLINED; ap_set_content_type(r, "text/html; charset=ISO-8859-1"); /* * Simple table-driven form data set parser that lets you alter the header */ if (r->args) { i = 0; while (status_options[i].id != STAT_OPT_END) { if ((loc = ap_strstr_c(r->args, status_options[i].form_data_str)) != NULL) { switch (status_options[i].id) { case STAT_OPT_REFRESH: { apr_size_t len = strlen(status_options[i].form_data_str); long t = 0; if (*(loc + len ) == '=') { t = atol(loc + len + 1); } apr_table_set(r->headers_out, status_options[i].hdr_out_str, apr_ltoa(r->pool, t < 1 ? 10 : t)); break; } case STAT_OPT_NOTABLE: no_table_report = 1; break; case STAT_OPT_AUTO: ap_set_content_type(r, "text/plain; charset=ISO-8859-1"); short_report = 1; break; } } i++; } } for (i = 0; i < server_limit; ++i) { #ifdef HAVE_TIMES clock_t proc_tu = 0, proc_ts = 0, proc_tcu = 0, proc_tcs = 0; clock_t tmp_tu, tmp_ts, tmp_tcu, tmp_tcs; #endif ps_record = ap_get_scoreboard_process(i); for (j = 0; j < thread_limit; ++j) { int indx = (i * thread_limit) + j; ws_record = ap_get_scoreboard_worker(i, j); res = ws_record->status; stat_buffer[indx] = status_flags[res]; if (!ps_record->quiescing && ps_record->pid) { if (res == SERVER_READY && ps_record->generation == ap_my_generation) ready++; else if (res != SERVER_DEAD && res != SERVER_STARTING && res != SERVER_IDLE_KILL) busy++; } /* XXX what about the counters for quiescing/seg faulted * processes? should they be counted or not? GLA */ if (ap_extended_status) { lres = ws_record->access_count; bytes = ws_record->bytes_served; if (lres != 0 || (res != SERVER_READY && res != SERVER_DEAD)) { #ifdef HAVE_TIMES tmp_tu = ws_record->times.tms_utime; tmp_ts = ws_record->times.tms_stime; tmp_tcu = ws_record->times.tms_cutime; tmp_tcs = ws_record->times.tms_cstime; if (times_per_thread) { proc_tu += tmp_tu; proc_ts += tmp_ts; proc_tcu += tmp_tcu; proc_tcs += proc_tcs; } else { if (tmp_tu > proc_tu || tmp_ts > proc_ts || tmp_tcu > proc_tcu || tmp_tcs > proc_tcs) { proc_tu = tmp_tu; proc_ts = tmp_ts; proc_tcu = tmp_tcu; proc_tcs = proc_tcs; } } #endif /* HAVE_TIMES */ count += lres; bcount += bytes; if (bcount >= KBYTE) { kbcount += (bcount >> 10); bcount = bcount & 0x3ff; } } } } #ifdef HAVE_TIMES tu += proc_tu; ts += proc_ts; tcu += proc_tcu; tcs += proc_tcs; #endif pid_buffer[i] = ps_record->pid; } /* up_time in seconds */ up_time = (apr_uint32_t) apr_time_sec(nowtime - ap_scoreboard_image->global->restart_time); if (!short_report) { ap_rputs(DOCTYPE_HTML_3_2 "<html><head>\n<title>Apache Status</title>\n</head><body>\n", r); ap_rputs("<h1>Apache Server Status for ", r); ap_rvputs(r, ap_get_server_name(r), "</h1>\n\n", NULL); ap_rvputs(r, "<dl><dt>Server Version: ", ap_get_server_description(), "</dt>\n", NULL); ap_rvputs(r, "<dt>Server Built: ", ap_get_server_built(), "\n</dt></dl><hr /><dl>\n", NULL); ap_rvputs(r, "<dt>Current Time: ", ap_ht_time(r->pool, nowtime, DEFAULT_TIME_FORMAT, 0), "</dt>\n", NULL); ap_rvputs(r, "<dt>Restart Time: ", ap_ht_time(r->pool, ap_scoreboard_image->global->restart_time, DEFAULT_TIME_FORMAT, 0), "</dt>\n", NULL); ap_rprintf(r, "<dt>Parent Server Generation: %d</dt>\n", (int)ap_my_generation); ap_rputs("<dt>Server uptime: ", r); show_time(r, up_time); ap_rputs("</dt>\n", r); } if (ap_extended_status) { if (short_report) { ap_rprintf(r, "Total Accesses: %lu\nTotal kBytes: %" APR_OFF_T_FMT "\n", count, kbcount); #ifdef HAVE_TIMES /* Allow for OS/2 not having CPU stats */ if (ts || tu || tcu || tcs) ap_rprintf(r, "CPULoad: %g\n", (tu + ts + tcu + tcs) / tick / up_time * 100.); #endif ap_rprintf(r, "Uptime: %ld\n", (long) (up_time)); if (up_time > 0) ap_rprintf(r, "ReqPerSec: %g\n", (float) count / (float) up_time); if (up_time > 0) ap_rprintf(r, "BytesPerSec: %g\n", KBYTE * (float) kbcount / (float) up_time); if (count > 0) ap_rprintf(r, "BytesPerReq: %g\n", KBYTE * (float) kbcount / (float) count); } else { /* !short_report */ ap_rprintf(r, "<dt>Total accesses: %lu - Total Traffic: ", count); format_kbyte_out(r, kbcount); ap_rputs("</dt>\n", r); #ifdef HAVE_TIMES /* Allow for OS/2 not having CPU stats */ ap_rprintf(r, "<dt>CPU Usage: u%g s%g cu%g cs%g", tu / tick, ts / tick, tcu / tick, tcs / tick); if (ts || tu || tcu || tcs) ap_rprintf(r, " - %.3g%% CPU load</dt>\n", (tu + ts + tcu + tcs) / tick / up_time * 100.); #endif if (up_time > 0) ap_rprintf(r, "<dt>%.3g requests/sec - ", (float) count / (float) up_time); if (up_time > 0) { format_byte_out(r, (unsigned long)(KBYTE * (float) kbcount / (float) up_time)); ap_rputs("/second - ", r); } if (count > 0) { format_byte_out(r, (unsigned long)(KBYTE * (float) kbcount / (float) count)); ap_rputs("/request", r); } ap_rputs("</dt>\n", r); } /* short_report */ } /* ap_extended_status */ if (!short_report) ap_rprintf(r, "<dt>%d requests currently being processed, " "%d idle workers</dt>\n", busy, ready); else ap_rprintf(r, "BusyWorkers: %d\nIdleWorkers: %d\n", busy, ready); /* send the scoreboard 'table' out */ if (!short_report) ap_rputs("</dl><pre>", r); else ap_rputs("Scoreboard: ", r); for (i = 0; i < server_limit; ++i) { for (j = 0; j < thread_limit; ++j) { int indx = (i * thread_limit) + j; ap_rputc(stat_buffer[indx], r); if ((indx % STATUS_MAXLINE == (STATUS_MAXLINE - 1)) && !short_report) ap_rputs("\n", r); } } if (short_report) ap_rputs("\n", r); else { ap_rputs("</pre>\n", r); ap_rputs("<p>Scoreboard Key:<br />\n", r); ap_rputs("\"<b><code>_</code></b>\" Waiting for Connection, \n", r); ap_rputs("\"<b><code>S</code></b>\" Starting up, \n", r); ap_rputs("\"<b><code>R</code></b>\" Reading Request,<br />\n", r); ap_rputs("\"<b><code>W</code></b>\" Sending Reply, \n", r); ap_rputs("\"<b><code>K</code></b>\" Keepalive (read), \n", r); ap_rputs("\"<b><code>D</code></b>\" DNS Lookup,<br />\n", r); ap_rputs("\"<b><code>C</code></b>\" Closing connection, \n", r); ap_rputs("\"<b><code>L</code></b>\" Logging, \n", r); ap_rputs("\"<b><code>G</code></b>\" Gracefully finishing,<br /> \n", r); ap_rputs("\"<b><code>I</code></b>\" Idle cleanup of worker, \n", r); ap_rputs("\"<b><code>.</code></b>\" Open slot with no current process</p>\n", r); ap_rputs("<p />\n", r); if (!ap_extended_status) { int j; int k = 0; ap_rputs("PID Key: <br />\n", r); ap_rputs("<pre>\n", r); for (i = 0; i < server_limit; ++i) { for (j = 0; j < thread_limit; ++j) { int indx = (i * thread_limit) + j; if (stat_buffer[indx] != '.') { ap_rprintf(r, " %" APR_PID_T_FMT " in state: %c ", pid_buffer[i], stat_buffer[indx]); if (++k >= 3) { ap_rputs("\n", r); k = 0; } else ap_rputs(",", r); } } } ap_rputs("\n", r); ap_rputs("</pre>\n", r); } } if (ap_extended_status && !short_report) { if (no_table_report) ap_rputs("<hr /><h2>Server Details</h2>\n\n", r); else ap_rputs("\n\n<table border=\"0\"><tr>" "<th>Srv</th><th>PID</th><th>Acc</th>" "<th>M</th>" #ifdef HAVE_TIMES "<th>CPU\n</th>" #endif "<th>SS</th><th>Req</th>" "<th>Conn</th><th>Child</th><th>Slot</th>" "<th>Client</th><th>VHost</th>" "<th>Request</th></tr>\n\n", r); for (i = 0; i < server_limit; ++i) { for (j = 0; j < thread_limit; ++j) { ws_record = ap_get_scoreboard_worker(i, j); if (ws_record->access_count == 0 && (ws_record->status == SERVER_READY || ws_record->status == SERVER_DEAD)) { continue; } ps_record = ap_get_scoreboard_process(i); if (ws_record->start_time == 0L) req_time = 0L; else req_time = (long) ((ws_record->stop_time - ws_record->start_time) / 1000); if (req_time < 0L) req_time = 0L; lres = ws_record->access_count; my_lres = ws_record->my_access_count; conn_lres = ws_record->conn_count; bytes = ws_record->bytes_served; my_bytes = ws_record->my_bytes_served; conn_bytes = ws_record->conn_bytes; if (ws_record->pid) { /* MPM sets per-worker pid and generation */ worker_pid = ws_record->pid; worker_generation = ws_record->generation; } else { worker_pid = ps_record->pid; worker_generation = ps_record->generation; } if (no_table_report) { if (ws_record->status == SERVER_DEAD) ap_rprintf(r, "<b>Server %d-%d</b> (-): %d|%lu|%lu [", i, (int)worker_generation, (int)conn_lres, my_lres, lres); else ap_rprintf(r, "<b>Server %d-%d</b> (%" APR_PID_T_FMT "): %d|%lu|%lu [", i, (int) worker_generation, worker_pid, (int)conn_lres, my_lres, lres); switch (ws_record->status) { case SERVER_READY: ap_rputs("Ready", r); break; case SERVER_STARTING: ap_rputs("Starting", r); break; case SERVER_BUSY_READ: ap_rputs("<b>Read</b>", r); break; case SERVER_BUSY_WRITE: ap_rputs("<b>Write</b>", r); break; case SERVER_BUSY_KEEPALIVE: ap_rputs("<b>Keepalive</b>", r); break; case SERVER_BUSY_LOG: ap_rputs("<b>Logging</b>", r); break; case SERVER_BUSY_DNS: ap_rputs("<b>DNS lookup</b>", r); break; case SERVER_CLOSING: ap_rputs("<b>Closing</b>", r); break; case SERVER_DEAD: ap_rputs("Dead", r); break; case SERVER_GRACEFUL: ap_rputs("Graceful", r); break; case SERVER_IDLE_KILL: ap_rputs("Dying", r); break; default: ap_rputs("?STATE?", r); break; } ap_rprintf(r, "] " #ifdef HAVE_TIMES "u%g s%g cu%g cs%g" #endif "\n %ld %ld (", #ifdef HAVE_TIMES ws_record->times.tms_utime / tick, ws_record->times.tms_stime / tick, ws_record->times.tms_cutime / tick, ws_record->times.tms_cstime / tick, #endif (long)apr_time_sec(nowtime - ws_record->last_used), (long) req_time); format_byte_out(r, conn_bytes); ap_rputs("|", r); format_byte_out(r, my_bytes); ap_rputs("|", r); format_byte_out(r, bytes); ap_rputs(")\n", r); ap_rprintf(r, " <i>%s {%s}</i> <b>[%s]</b><br />\n\n", ap_escape_html(r->pool, ws_record->client), ap_escape_html(r->pool, ap_escape_logitem(r->pool, ws_record->request)), ap_escape_html(r->pool, ws_record->vhost)); } else { /* !no_table_report */ if (ws_record->status == SERVER_DEAD) ap_rprintf(r, "<tr><td><b>%d-%d</b></td><td>-</td><td>%d/%lu/%lu", i, (int)worker_generation, (int)conn_lres, my_lres, lres); else ap_rprintf(r, "<tr><td><b>%d-%d</b></td><td>%" APR_PID_T_FMT "</td><td>%d/%lu/%lu", i, (int)worker_generation, worker_pid, (int)conn_lres, my_lres, lres); switch (ws_record->status) { case SERVER_READY: ap_rputs("</td><td>_", r); break; case SERVER_STARTING: ap_rputs("</td><td><b>S</b>", r); break; case SERVER_BUSY_READ: ap_rputs("</td><td><b>R</b>", r); break; case SERVER_BUSY_WRITE: ap_rputs("</td><td><b>W</b>", r); break; case SERVER_BUSY_KEEPALIVE: ap_rputs("</td><td><b>K</b>", r); break; case SERVER_BUSY_LOG: ap_rputs("</td><td><b>L</b>", r); break; case SERVER_BUSY_DNS: ap_rputs("</td><td><b>D</b>", r); break; case SERVER_CLOSING: ap_rputs("</td><td><b>C</b>", r); break; case SERVER_DEAD: ap_rputs("</td><td>.", r); break; case SERVER_GRACEFUL: ap_rputs("</td><td>G", r); break; case SERVER_IDLE_KILL: ap_rputs("</td><td>I", r); break; default: ap_rputs("</td><td>?", r); break; } ap_rprintf(r, "\n</td>" #ifdef HAVE_TIMES "<td>%.2f</td>" #endif "<td>%ld</td><td>%ld", #ifdef HAVE_TIMES (ws_record->times.tms_utime + ws_record->times.tms_stime + ws_record->times.tms_cutime + ws_record->times.tms_cstime) / tick, #endif (long)apr_time_sec(nowtime - ws_record->last_used), (long)req_time); ap_rprintf(r, "</td><td>%-1.1f</td><td>%-2.2f</td><td>%-2.2f\n", (float)conn_bytes / KBYTE, (float) my_bytes / MBYTE, (float)bytes / MBYTE); if (ws_record->status == SERVER_BUSY_READ) ap_rprintf(r, "</td><td>?</td><td nowrap>?</td><td nowrap>..reading.. </td></tr>\n\n"); else ap_rprintf(r, "</td><td>%s</td><td nowrap>%s</td><td nowrap>%s</td></tr>\n\n", ap_escape_html(r->pool, ws_record->client), ap_escape_html(r->pool, ws_record->vhost), ap_escape_html(r->pool, ap_escape_logitem(r->pool, ws_record->request))); } /* no_table_report */ } /* for (j...) */ } /* for (i...) */ if (!no_table_report) { ap_rputs("</table>\n \ <hr /> \ <table>\n \ <tr><th>Srv</th><td>Child Server number - generation</td></tr>\n \ <tr><th>PID</th><td>OS process ID</td></tr>\n \ <tr><th>Acc</th><td>Number of accesses this connection / this child / this slot</td></tr>\n \ <tr><th>M</th><td>Mode of operation</td></tr>\n" #ifdef HAVE_TIMES "<tr><th>CPU</th><td>CPU usage, number of seconds</td></tr>\n" #endif "<tr><th>SS</th><td>Seconds since beginning of most recent request</td></tr>\n \ <tr><th>Req</th><td>Milliseconds required to process most recent request</td></tr>\n \ <tr><th>Conn</th><td>Kilobytes transferred this connection</td></tr>\n \ <tr><th>Child</th><td>Megabytes transferred this child</td></tr>\n \ <tr><th>Slot</th><td>Total megabytes transferred this slot</td></tr>\n \ </table>\n", r); } } /* if (ap_extended_status && !short_report) */ else { if (!short_report) { ap_rputs("<hr />To obtain a full report with current status " "information you need to use the " "<code>ExtendedStatus On</code> directive.\n", r); } } { /* Run extension hooks to insert extra content. */ int flags = (short_report ? AP_STATUS_SHORT : 0) | (no_table_report ? AP_STATUS_NOTABLE : 0) | (ap_extended_status ? AP_STATUS_EXTENDED : 0); ap_run_status_hook(r, flags); } if (!short_report) { ap_rputs(ap_psignature("<hr />\n",r), r); ap_rputs("</body></html>\n", r); } return 0; } static int status_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s) { status_flags[SERVER_DEAD] = '.'; /* We don't want to assume these are in */ status_flags[SERVER_READY] = '_'; /* any particular order in scoreboard.h */ status_flags[SERVER_STARTING] = 'S'; status_flags[SERVER_BUSY_READ] = 'R'; status_flags[SERVER_BUSY_WRITE] = 'W'; status_flags[SERVER_BUSY_KEEPALIVE] = 'K'; status_flags[SERVER_BUSY_LOG] = 'L'; status_flags[SERVER_BUSY_DNS] = 'D'; status_flags[SERVER_CLOSING] = 'C'; status_flags[SERVER_GRACEFUL] = 'G'; status_flags[SERVER_IDLE_KILL] = 'I'; ap_mpm_query(AP_MPMQ_HARD_LIMIT_THREADS, &thread_limit); ap_mpm_query(AP_MPMQ_HARD_LIMIT_DAEMONS, &server_limit); return OK; } #ifdef HAVE_TIMES static void status_child_init(apr_pool_t *p, server_rec *s) { child_pid = getpid(); } #endif static void register_hooks(apr_pool_t *p) { ap_hook_handler(status_handler, NULL, NULL, APR_HOOK_MIDDLE); ap_hook_post_config(status_init, NULL, NULL, APR_HOOK_MIDDLE); #ifdef HAVE_TIMES ap_hook_child_init(status_child_init, NULL, NULL, APR_HOOK_MIDDLE); #endif } module AP_MODULE_DECLARE_DATA status_module = { STANDARD20_MODULE_STUFF, NULL, /* dir config creater */ NULL, /* dir merger --- default is to override */ NULL, /* server config */ NULL, /* merge server config */ status_module_cmds, /* command table */ register_hooks /* register_hooks */ };
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