diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
commit | 8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch) | |
tree | c7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/threadvars.h | |
parent | 13d05bc8458758ee39cb829098241e89616717ee (diff) |
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/threadvars.h')
-rw-r--r-- | framework/src/suricata/src/threadvars.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/framework/src/suricata/src/threadvars.h b/framework/src/suricata/src/threadvars.h new file mode 100644 index 00000000..a632a23b --- /dev/null +++ b/framework/src/suricata/src/threadvars.h @@ -0,0 +1,127 @@ +/* Copyright (C) 2007-2013 Open Information Security Foundation + * + * You can copy, redistribute or modify this Program under the terms of + * the GNU General Public License version 2 as published by the Free + * Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +/** + * \file + * + * \author Victor Julien <victor@inliniac.net> + */ + +#ifndef __THREADVARS_H__ +#define __THREADVARS_H__ + +#include "util-mpm.h" +#include "util-affinity.h" +#include "tm-queues.h" +#include "counters.h" +#include "threads.h" + +struct TmSlot_; + +/** Thread flags set and read by threads to control the threads */ +#define THV_USE 1 /** thread is in use */ +#define THV_INIT_DONE (1 << 1) /** thread initialization done */ +#define THV_PAUSE (1 << 2) /** signal thread to pause itself */ +#define THV_PAUSED (1 << 3) /** the thread is paused atm */ +#define THV_KILL (1 << 4) /** thread has been asked to cleanup and exit */ +#define THV_FAILED (1 << 5) /** thread has encountered an error and failed */ +#define THV_CLOSED (1 << 6) /** thread done, should be joinable */ +/* used to indicate the thread is going through de-init. Introduced as more + * of a hack for solving stream-timeout-shutdown. Is set by the main thread. */ +#define THV_DEINIT (1 << 7) +#define THV_RUNNING_DONE (1 << 8) /** thread has completed running and is entering + * the de-init phase */ +#define THV_KILL_PKTACQ (1 << 9) /**< flag thread to stop packet acq */ +#define THV_FLOW_LOOP (1 << 10) /**< thread is in flow shutdown loop */ + +/** Thread flags set and read by threads, to control the threads, when they + * encounter certain conditions like failure */ +#define THV_RESTART_THREAD 0x01 /** restart the thread */ +#define THV_ENGINE_EXIT 0x02 /** shut the engine down gracefully */ + +/** Maximum no of times a thread can be restarted */ +#define THV_MAX_RESTARTS 50 + +/** \brief Per thread variable structure */ +typedef struct ThreadVars_ { + pthread_t t; + char *name; + char *thread_group_name; + + SC_ATOMIC_DECLARE(unsigned int, flags); + + /** aof(action on failure) determines what should be done with the thread + when it encounters certain conditions like failures */ + uint8_t aof; + + /** no of times the thread has been restarted on failure */ + uint8_t restarted; + + /** local id */ + int id; + + /** queue's */ + Tmq *inq; + Tmq *outq; + void *outctx; + char *outqh_name; + + /** queue handlers */ + struct Packet_ * (*tmqh_in)(struct ThreadVars_ *); + void (*InShutdownHandler)(struct ThreadVars_ *); + void (*tmqh_out)(struct ThreadVars_ *, struct Packet_ *); + + /** slot functions */ + void *(*tm_func)(void *); + struct TmSlot_ *tm_slots; + + /** stream packet queue for flow time out injection */ + struct PacketQueue_ *stream_pq; + + uint8_t thread_setup_flags; + + /** the type of thread as defined in tm-threads.h (TVT_PPT, TVT_MGMT) */ + uint8_t type; + + uint16_t cpu_affinity; /** cpu or core number to set affinity to */ + uint16_t rank; + int thread_priority; /** priority (real time) for this thread. Look at threads.h */ + + /* counters */ + + /** public counter store: counter syncs update this */ + StatsPublicThreadContext perf_public_ctx; + + /** private counter store: counter updates modify this */ + StatsPrivateThreadContext perf_private_ctx; + + SCCtrlMutex *ctrl_mutex; + SCCtrlCondT *ctrl_cond; + + uint8_t cap_flags; /**< Flags to indicate the capabilities of all the + TmModules resgitered under this thread */ + struct ThreadVars_ *next; + struct ThreadVars_ *prev; +} ThreadVars; + +/** Thread setup flags: */ +#define THREAD_SET_AFFINITY 0x01 /** CPU/Core affinity */ +#define THREAD_SET_PRIORITY 0x02 /** Real time priority */ +#define THREAD_SET_AFFTYPE 0x04 /** Priority and affinity */ + +#endif /* __THREADVARS_H__ */ + |