diff options
Diffstat (limited to 'modules/arch')
| -rw-r--r-- | modules/arch/unix/config5.m4 | 13 | ||||
| -rw-r--r-- | modules/arch/unix/mod_systemd.c | 103 |
2 files changed, 116 insertions, 0 deletions
diff --git a/modules/arch/unix/config5.m4 b/modules/arch/unix/config5.m4 index 01c6e6938e..abfcee20bb 100644 --- a/modules/arch/unix/config5.m4 +++ b/modules/arch/unix/config5.m4 @@ -19,6 +19,19 @@ APACHE_MODULE(privileges, Per-virtualhost Unix UserIDs and enhanced security for fi ]) + +APACHE_MODULE(systemd, Systemd support, , , $unixd_mods_enabled, [ + AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon") + AC_CHECK_HEADERS(systemd/sd-daemon.h, [ap_HAVE_SD_DAEMON_H="yes"], [ap_HAVE_SD_DAEMON_H="no"]) + if test $ap_HAVE_SD_DAEMON_H = "no" || test -z "${SYSTEMD_LIBS}"; then + AC_MSG_WARN([Your system does not support systemd.]) + enable_systemd="no" + else + APR_ADDTO(MOD_SYSTEMD_LDADD, [$SYSTEMD_LIBS]) + enable_systemd="yes" + fi +]) + APR_ADDTO(INCLUDES, [-I\$(top_srcdir)/$modpath_current]) APACHE_MODPATH_FINISH diff --git a/modules/arch/unix/mod_systemd.c b/modules/arch/unix/mod_systemd.c new file mode 100644 index 0000000000..0db076e21a --- /dev/null +++ b/modules/arch/unix/mod_systemd.c @@ -0,0 +1,103 @@ +/* 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. + * + */ + +#include <stdint.h> +#include <ap_config.h> +#include "ap_mpm.h" +#include <http_core.h> +#include <httpd.h> +#include <http_log.h> +#include <apr_version.h> +#include <apr_pools.h> +#include <apr_strings.h> +#include "unixd.h" +#include "scoreboard.h" +#include "mpm_common.h" + +#include "systemd/sd-daemon.h" + +#if APR_HAVE_UNISTD_H +#include <unistd.h> +#endif + +static int systemd_pre_mpm(apr_pool_t *p, ap_scoreboard_e sb_type) +{ + int rv; + pid_t pid; + pid = getpid(); + + ap_extended_status = 1; + + rv = sd_notifyf(0, "READY=1\n" + "STATUS=Processing requests...\n" + "MAINPID=%lu", + (unsigned long) pid); + if (rv < 0) { + ap_log_perror(APLOG_MARK, APLOG_ERR, 0, p, APLOGNO(02395) + "sd_notifyf returned an error %d", rv); + } + + return OK; +} + +static int systemd_monitor(apr_pool_t *p, server_rec *s) +{ + ap_sload_t sload; + apr_interval_time_t up_time; + char bps[5]; + int rv; + + ap_get_sload(&sload); + /* up_time in seconds */ + up_time = (apr_uint32_t) apr_time_sec(apr_time_now() - + ap_scoreboard_image->global->restart_time); + + apr_strfsize((unsigned long)((float) (sload.bytes_served) + / (float) up_time), bps); + + rv = sd_notifyf(0, "READY=1\n" + "STATUS=Total requests: %lu; Idle/Busy workers %d/%d;" + "Requests/sec: %.3g; Bytes served/sec: %sB/sec\n", + sload.access_count, sload.idle, sload.busy, + ((float) sload.access_count) / (float) up_time, bps); + + if (rv < 0) { + ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(02396) + "sd_notifyf returned an error %d", rv); + } + + return DECLINED; +} + +static void systemd_register_hooks(apr_pool_t *p) +{ + /* We know the PID in this hook ... */ + ap_hook_pre_mpm(systemd_pre_mpm, NULL, NULL, APR_HOOK_LAST); + /* Used to update httpd's status line using sd_notifyf */ + ap_hook_monitor(systemd_monitor, NULL, NULL, APR_HOOK_MIDDLE); +} + +module AP_MODULE_DECLARE_DATA systemd_module = +{ + STANDARD20_MODULE_STUFF, + NULL, + NULL, + NULL, + NULL, + NULL, + systemd_register_hooks, +}; |