From: Lennart Poettering Date: Fri, 13 Apr 2012 19:33:28 +0000 (+0200) Subject: watchdog: make watchdog dbus properties writable X-Git-Tag: v183~314 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c757a65b6afb462bde082b5362bbb5a074b5bb7b;p=systemd watchdog: make watchdog dbus properties writable --- diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c index 88945b5c..e81e6afb 100644 --- a/src/core/dbus-manager.c +++ b/src/core/dbus-manager.c @@ -30,6 +30,7 @@ #include "build.h" #include "dbus-common.h" #include "install.h" +#include "watchdog.h" #define BUS_MANAGER_INTERFACE_BEGIN \ " \n" @@ -241,8 +242,8 @@ " \n" \ " \n" \ " \n" \ - " \n" \ - " \n" \ + " \n" \ + " \n" \ " \n" #ifdef HAVE_SYSV_COMPAT @@ -508,6 +509,17 @@ static int bus_manager_append_have_watchdog(DBusMessageIter *i, const char *prop return 0; } +static int bus_manager_set_runtime_watchdog_usec(DBusMessageIter *i, const char *property, void *data) { + uint64_t *t = data; + + assert(i); + assert(property); + + dbus_message_iter_get_basic(i, t); + + return watchdog_set_timeout(t); +} + static const char systemd_property_string[] = PACKAGE_STRING "\0" DISTRIBUTION "\0" @@ -529,8 +541,8 @@ static const BusProperty bus_manager_properties[] = { { "StartupTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, startup_timestamp.monotonic) }, { "FinishTimestamp", bus_property_append_uint64, "t", offsetof(Manager, finish_timestamp.realtime) }, { "FinishTimestampMonotonic", bus_property_append_uint64, "t", offsetof(Manager, finish_timestamp.monotonic) }, - { "LogLevel", bus_manager_append_log_level, "s", 0, 0, bus_manager_set_log_level }, - { "LogTarget", bus_manager_append_log_target, "s", 0, 0, bus_manager_set_log_target }, + { "LogLevel", bus_manager_append_log_level, "s", 0, false, bus_manager_set_log_level }, + { "LogTarget", bus_manager_append_log_target, "s", 0, false, bus_manager_set_log_target }, { "NNames", bus_manager_append_n_names, "u", 0 }, { "NJobs", bus_manager_append_n_jobs, "u", 0 }, { "NInstalledJobs",bus_property_append_uint32, "u", offsetof(Manager, n_installed_jobs) }, @@ -547,8 +559,8 @@ static const BusProperty bus_manager_properties[] = { { "DefaultControllers", bus_property_append_strv, "as", offsetof(Manager, default_controllers), true }, { "DefaultStandardOutput", bus_manager_append_exec_output, "s", offsetof(Manager, default_std_output) }, { "DefaultStandardError", bus_manager_append_exec_output, "s", offsetof(Manager, default_std_error) }, - { "RuntimeWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, runtime_watchdog), }, - { "ShutdownWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, shutdown_watchdog), }, + { "RuntimeWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, runtime_watchdog), false, bus_manager_set_runtime_watchdog_usec }, + { "ShutdownWatchdogUSec", bus_property_append_usec, "t", offsetof(Manager, shutdown_watchdog), false, bus_property_set_usec }, { "HaveWatchdog", bus_manager_append_have_watchdog, "b", 0 }, #ifdef HAVE_SYSV_COMPAT { "SysVConsole", bus_property_append_bool, "b", offsetof(Manager, sysv_console) }, diff --git a/src/core/manager.c b/src/core/manager.c index 1d32adff..c8ac29be 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -2457,7 +2457,6 @@ static int process_event(Manager *m, struct epoll_event *ev) { int manager_loop(Manager *m) { int r; - int wait_msec = -1; RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000); @@ -2476,18 +2475,12 @@ int manager_loop(Manager *m) { if (r < 0) return r; - /* Sleep for half the watchdog time */ - if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) { - wait_msec = (int) (m->runtime_watchdog / 2 / USEC_PER_MSEC); - if (wait_msec <= 0) - wait_msec = 1; - } - while (m->exit_code == MANAGER_RUNNING) { struct epoll_event event; int n; + int wait_msec = -1; - if (wait_msec >= 0) + if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) watchdog_ping(); if (!ratelimit_test(&rl)) { @@ -2518,6 +2511,14 @@ int manager_loop(Manager *m) { if (swap_dispatch_reload(m) > 0) continue; + /* Sleep for half the watchdog time */ + if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) { + wait_msec = (int) (m->runtime_watchdog / 2 / USEC_PER_MSEC); + if (wait_msec <= 0) + wait_msec = 1; + } else + wait_msec = -1; + n = epoll_wait(m->epoll_fd, &event, 1, wait_msec); if (n < 0) { diff --git a/src/shared/dbus-common.c b/src/shared/dbus-common.c index badd037d..6d000e11 100644 --- a/src/shared/dbus-common.c +++ b/src/shared/dbus-common.c @@ -660,6 +660,16 @@ int bus_property_append_long(DBusMessageIter *i, const char *property, void *dat return 0; } +int bus_property_set_uint64(DBusMessageIter *i, const char *property, void *data) { + uint64_t *t = data; + + assert(i); + assert(property); + + dbus_message_iter_get_basic(i, t); + return 0; +} + const char *bus_errno_to_dbus(int error) { switch(error) { diff --git a/src/shared/dbus-common.h b/src/shared/dbus-common.h index ca398fc3..2bfcdfa5 100644 --- a/src/shared/dbus-common.h +++ b/src/shared/dbus-common.h @@ -144,6 +144,9 @@ int bus_property_append_long(DBusMessageIter *i, const char *property, void *dat #define bus_property_append_unsigned bus_property_append_uint32 #define bus_property_append_usec bus_property_append_uint64 +int bus_property_set_uint64(DBusMessageIter *i, const char *property, void *data); +#define bus_property_set_usec bus_property_set_uint64 + #define DEFINE_BUS_PROPERTY_APPEND_ENUM(function,name,type) \ int function(DBusMessageIter *i, const char *property, void *data) { \ const char *value; \