fcfd4f4ff2
NetworkManager is single-threaded and uses a mainloop. However, sometimes we may need multiple threads. For example, we will need to write sysctl values asynchronously, using the glib thread-pool. For that to work, we also need to switch the network-namespace of the thread-pool thread. We want to use NMPNetns for that. Hence it's better to have NMPNetns thread-safe, instead of coming up with a duplicate implementation. But NMPNetns may want to log, so we also need nm-logging thread-safe. In general, code under "shared/nm-utils" and nm-logging should be usable from multiple threads. It's simpler to make this code thread-safe than re-implementing it. Also, it's a bad limitation to be unable to log from other threads. If there is an error, the best we can often do is to log about it. Make nm-logging thread-safe. Actually, we only need to be able to log from multiple threads. We don't need to setup or configure logging from multiple threads. This restriction allows us to access logging from the main-thread without any thread-synchronization (because all changes in the logging setup are also done from the main-thread). So, while logging from other threads requires a mutex, logging from the main-thread is lock-free.
114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/* NetworkManager -- Network link manager
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* Copyright (C) 2006 - 2018 Red Hat, Inc.
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* Copyright (C) 2006 - 2008 Novell, Inc.
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*/
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#ifndef __NM_LOGGING_DEFINES_H__
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#define __NM_LOGGING_DEFINES_H__
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/* Log domains */
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typedef enum { /*< skip >*/
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LOGD_NONE = 0LL,
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LOGD_PLATFORM = (1LL << 0), /* Platform services */
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LOGD_RFKILL = (1LL << 1),
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LOGD_ETHER = (1LL << 2),
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LOGD_WIFI = (1LL << 3),
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LOGD_BT = (1LL << 4),
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LOGD_MB = (1LL << 5), /* mobile broadband */
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LOGD_DHCP4 = (1LL << 6),
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LOGD_DHCP6 = (1LL << 7),
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LOGD_PPP = (1LL << 8),
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LOGD_WIFI_SCAN = (1LL << 9),
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LOGD_IP4 = (1LL << 10),
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LOGD_IP6 = (1LL << 11),
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LOGD_AUTOIP4 = (1LL << 12),
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LOGD_DNS = (1LL << 13),
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LOGD_VPN = (1LL << 14),
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LOGD_SHARING = (1LL << 15), /* Connection sharing/dnsmasq */
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LOGD_SUPPLICANT = (1LL << 16), /* Wi-Fi and 802.1x */
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LOGD_AGENTS = (1LL << 17), /* Secret agents */
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LOGD_SETTINGS = (1LL << 18), /* Settings */
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LOGD_SUSPEND = (1LL << 19), /* Suspend/Resume */
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LOGD_CORE = (1LL << 20), /* Core daemon and policy stuff */
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LOGD_DEVICE = (1LL << 21), /* Device state and activation */
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LOGD_OLPC = (1LL << 22),
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LOGD_INFINIBAND = (1LL << 23),
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LOGD_FIREWALL = (1LL << 24),
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LOGD_ADSL = (1LL << 25),
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LOGD_BOND = (1LL << 26),
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LOGD_VLAN = (1LL << 27),
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LOGD_BRIDGE = (1LL << 28),
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LOGD_DBUS_PROPS = (1LL << 29),
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LOGD_TEAM = (1LL << 30),
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LOGD_CONCHECK = (1LL << 31),
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LOGD_DCB = (1LL << 32), /* Data Center Bridging */
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LOGD_DISPATCH = (1LL << 33),
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LOGD_AUDIT = (1LL << 34),
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LOGD_SYSTEMD = (1LL << 35),
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LOGD_VPN_PLUGIN = (1LL << 36),
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LOGD_PROXY = (1LL << 37),
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__LOGD_MAX,
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LOGD_ALL = (((__LOGD_MAX - 1LL) << 1) - 1LL),
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LOGD_DEFAULT = LOGD_ALL & ~(
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LOGD_DBUS_PROPS |
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LOGD_WIFI_SCAN |
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LOGD_VPN_PLUGIN |
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0),
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/* aliases: */
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LOGD_DHCP = LOGD_DHCP4 | LOGD_DHCP6,
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LOGD_IP = LOGD_IP4 | LOGD_IP6,
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} NMLogDomain;
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/* Log levels */
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typedef enum { /*< skip >*/
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LOGL_TRACE,
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LOGL_DEBUG,
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LOGL_INFO,
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LOGL_WARN,
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LOGL_ERR,
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_LOGL_N_REAL, /* the number of actual logging levels */
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_LOGL_OFF = _LOGL_N_REAL, /* special logging level that is always disabled. */
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_LOGL_KEEP, /* special logging level to indicate that the logging level should not be changed. */
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_LOGL_N, /* the number of logging levels including "OFF" */
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} NMLogLevel;
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gboolean _nm_log_enabled_impl (gboolean mt_require_locking,
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NMLogLevel level,
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NMLogDomain domain);
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void _nm_log_impl (const char *file,
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guint line,
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const char *func,
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gboolean mt_require_locking,
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NMLogLevel level,
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NMLogDomain domain,
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int error,
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const char *ifname,
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const char *con_uuid,
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const char *fmt,
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...) _nm_printf (10, 11);
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#endif /* __NM_LOGGING_DEFINES_H__ */
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