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Commit Graph

54 Commits (c6ec92d9b14d24bb85755150b9ff47a0b480bbaf)

Author SHA1 Message Date
Victor Julien 7f80516563 Introduce Flow timeout injection api 
Add function TmThreadsInjectPacketById that is to be used to inject flow
timeout packets into the threads stream_pq queue.

TmThreadsInjectPacketById will also wake up listening threads if
applicable.

Packets are passed all packets together in an NULL terminated array
to reduce locking overhead.
 11 years ago
Victor Julien 489ee20560 Thread Registration API for ID's 
Create thread registration and unregistration API for assigning unique
thread id's.

Threadvars is static even if a thread restarts, so we can do the
registration before the threads start.

A thread is unregistered when the ThreadVars are freed.
 11 years ago
Victor Julien 46cee88ef8 threads: add management API 
Currently management threads do their own thread setup and handling. This
patch introduces a new way of handling management threads.

Functionality that needs to run as a management thread can now register
itself as a regular 'thread module' (TmModule), where the 'Management'
callback is registered.
 11 years ago
Victor Julien 6d34834623 Runmode fixes and cleanups 
Bug #939: thread name buffers are sized inconsistently
These buffers are now all fixed at 16 bytes.

Bug #914: Having a high number of pickup queues (216+) makes suricata crash
Fixed so that we can now have 256 pickup queues, which is the current built-in
maximum. Improved the error reporting.

Bug #928: Max number of threads
Error reporting improved. Issue was the same as #914.
 12 years ago
Anoop Saldanha 34a9c047fc updated to fix unix shutdown sequence 
Should fix crashes occuring from unix mode shutdown/cleanup phase.
 13 years ago
Eric Leblond 20a8b9dbe5 unix-manager: add unix command socket and associated script 
This patch introduces a unix command socket. JSON formatted messages
can be exchanged between suricata and a program connecting to a
dedicated socket.
The protocol is the following:
 * Client connects to the socket
 * It sends a version message: { "version": "$VERSION_ID" }
 * Server answers with { "return": "OK|NOK" }
If server returns OK, the client is now allowed to send command.

The format of command is the following:
 {
   "command": "pcap-file",
   "arguments": { "filename": "smtp-clean.pcap", "output-dir": "/tmp/out" }
 }
The server will try to execute the "command" specified with the
(optional) provided "arguments".
The answer by server is the following:
 {
   "return": "OK|NOK",
   "message": JSON_OBJECT or information string
 }

A simple script is provided and is available under scripts/suricatasc. It
is not intended to be enterprise-grade tool but it is more a proof of
concept/example code.  The first command line argument of suricatasc is
used to specify the socket to connect to.

Configuration of the feature is made in the YAML under the 'unix-command'
section:
  unix-command:
    enabled: yes
    filename: custom.socket
The path specified in 'filename' is not absolute and is relative to the
state directory.

A new running mode called 'unix-socket' is also added.
When starting in this mode, only a unix socket manager
is started. When it receives a 'pcap-file' command, the manager
start a 'pcap-file' running mode which does not really leave at
the end of file but simply exit. The manager is then able to start
a new running mode with a new file.

To start this mode, Suricata must be started with the --unix-socket
 option which has an optional argument which fix the file name of the
socket. The path is not absolute and is relative to the state directory.

THe 'pcap-file' command adds a file to the list of files to treat.
For each pcap file, a pcap file running mode is started and the output
directory is changed to what specified in the command. The running
mode specified in the 'runmode' YAML setting is used to select which
running mode must be use for the pcap file treatment.

This requires modification in suricata.c file where initialisation code
is now conditional to the fact 'unix-socket' mode is not used.

Two other commands exists to get info on the remaining tasks:
 * pcap-file-number: return the number of files in the waiting queue
 * pcap-file-list: return the list of waiting files
'pcap-file-list' returns a structured object as message. The
structure is the following:
 {
  'count': 2,
  'files': ['file1.pcap', 'file2.pcap']
 }
 13 years ago
Eric Leblond 7e09cdc265 Delay Detect threads initialization 
This patch modifies the init of Detect threads. They are now started
with a dummy function and their initialisation is done after the
signatures are loaded. Just after this, the dummy function is switched
to normal one.

In IPS mode, this permit to route packets without waiting for the
signature to start and should fix #488.

Offline mode such as pcap file don't use this mode to be sure to
analyse all packets in the file.

The patch introduces a "delayed-detect" configuration variable
under detect-engine. It can be used to activate the feature
(set to "yes" to have signature loaded after capture is started).
 13 years ago
Anoop Saldanha 5f198e3a1d Suricata shutdown updates + minor cleanup 13 years ago
Anoop Saldanha 34f0897163 check if all packets are processed before disabling detect threads + kill all threads <= detect after FFR + other minor fixes 13 years ago
Anoop Saldanha 2bc7d0792d update clean up of old detection engine contexts for live rule swap 13 years ago
Anoop Saldanha 5e02cb2365 slot_data updated as an atomic var no 13 years ago
Victor Julien cd987ae7a5 Threading: do not keep a slots post_pq locked while processing the packets. 14 years ago
Anoop Saldanha 420befb180 Changed my email address to anoopsaldanha at gmail dot com from my current one 14 years ago
Anoop Saldanha 54f6e4ff4d Merge thread kill functions. Merge slot's tm_id with the one used by packet profiling. Remove some junk unused code from ms sync pts. Timeout setup cleanup as well. packet q dbg_maxlen now u32 var. 14 years ago
Anoop Saldanha 6c95526423 Introduce a new wrapper macro that wait loops till the flag(s) in question have been set 14 years ago
Anoop Saldanha a7acf9ea8f Remove all code introduced earlier concerned with ms sync points 14 years ago
Anoop Saldanha f2bcf9ea2c modify post_pq packet handling. 
- Lock the q just once, once we have detected the presence of packet(s)
  in the queue.  Unlock it when we consume all packets from the q.
 14 years ago
Anoop Saldanha 4ef3679b13 Remove the macro for pktacqloop which is now replaced by an inline function 14 years ago
Anoop Saldanha 8363533a02 support for forced stream reassembly for to be pruned flows 14 years ago
Anoop Saldanha 15359dc47e Slot structure now holds the TV it belongs to 14 years ago
Anoop Saldanha c365bafbf6 We now inspect timed out streams + streams not processed as yet, at engine shutdown 14 years ago
Anoop Saldanha a844eecb0e - Updated all runmodes to use synchronization points, right before each thread(slot function) tries to de-init the thread. - Main thread now first disables receive thread(s) before it kills receive and rest of the threads. 14 years ago
Anoop Saldanha e567c2d002 Introduce master-slave synchronization support for ThreadVars 14 years ago
Anoop Saldanha 94c5ecb069 introduce inline function version of TmThreadsSlotProcessPkt macro. Retain the macro as well 14 years ago
Anoop Saldanha fd6faac196 update TmThreadsSlotProcessPkt with better error handling + post pq processing 14 years ago
Victor Julien 820b0ded82 Add per packet profiling. 
Per packet profiling uses tick based accounting. It has 2 outputs, a summary
and a csv file that contains per packet stats.

Stats per packet include:
 1) total ticks spent
 2) ticks spent per individual thread module
 3) "threading overhead" which is simply calculated by subtracting (2) of (1).

A number of changes were made to integrate the new code in a clean way:
a number of generic enums are now placed in tm-threads-common.h so we can
include them from any part of the engine.

Code depends on --enable-profiling just like the rule profiling code.

New yaml parameters:

profiling:
  # packet profiling
  packets:

    # Profiling can be disabled here, but it will still have a
    # performance impact if compiled in.
    enabled: yes
    filename: packet_stats.log
    append: yes

    # per packet csv output
    csv:

      # Output can be disabled here, but it will still have a
      # performance impact if compiled in.
      enabled: no
      filename: packet_stats.csv

Example output of summary stats:

IP ver   Proto   cnt        min      max          avg
------   -----   ------     ------   ----------   -------
 IPv4       6     19436      11448      5404365     32993
 IPv4     256         4      11511        49968     30575

Per Thread module stats:

Thread Module              IP ver   Proto   cnt        min      max          avg
------------------------   ------   -----   ------     ------   ----------   -------
TMM_DECODEPCAPFILE          IPv4       6     19434       1242        47889      1770
TMM_DETECT                  IPv4       6     19436       1107       137241      1504
TMM_ALERTFASTLOG            IPv4       6     19436         90         1323       155
TMM_ALERTUNIFIED2ALERT      IPv4       6     19436        108         1359       138
TMM_ALERTDEBUGLOG           IPv4       6     19436         90         1134       154
TMM_LOGHTTPLOG              IPv4       6     19436        414      5392089      7944
TMM_STREAMTCP               IPv4       6     19434        828      1299159     19438

The proto 256 is a counter for handling of pseudo/tunnel packets.

Example output of csv:

pcap_cnt,ipver,ipproto,total,TMM_DECODENFQ,TMM_VERDICTNFQ,TMM_RECEIVENFQ,TMM_RECEIVEPCAP,TMM_RECEIVEPCAPFILE,TMM_DECODEPCAP,TMM_DECODEPCAPFILE,TMM_RECEIVEPFRING,TMM_DECODEPFRING,TMM_DETECT,TMM_ALERTFASTLOG,TMM_ALERTFASTLOG4,TMM_ALERTFASTLOG6,TMM_ALERTUNIFIEDLOG,TMM_ALERTUNIFIEDALERT,TMM_ALERTUNIFIED2ALERT,TMM_ALERTPRELUDE,TMM_ALERTDEBUGLOG,TMM_ALERTSYSLOG,TMM_LOGDROPLOG,TMM_ALERTSYSLOG4,TMM_ALERTSYSLOG6,TMM_RESPONDREJECT,TMM_LOGHTTPLOG,TMM_LOGHTTPLOG4,TMM_LOGHTTPLOG6,TMM_PCAPLOG,TMM_STREAMTCP,TMM_DECODEIPFW,TMM_VERDICTIPFW,TMM_RECEIVEIPFW,TMM_RECEIVEERFFILE,TMM_DECODEERFFILE,TMM_RECEIVEERFDAG,TMM_DECODEERFDAG,threading
1,4,6,172008,0,0,0,0,0,0,47889,0,0,48582,1323,0,0,0,0,1359,0,1134,0,0,0,0,0,8028,0,0,0,49356,0,0,0,0,0,0,0,14337

First line of the file contains labels.

2 example gnuplot scripts added to plot the data.
 14 years ago
Victor Julien 7e1d911215 Small optimizations to pkt acq loop code. 14 years ago
Victor Julien b753ecce50 Implement a pkt acq loop infra with support for pcap-file. 14 years ago
Anoop Saldanha 4f7df1029d Unify the use of slots to a single struct for threading API. Remove separate slot append functions for 1slot and varslot 14 years ago
Eric Leblond f9e453e14c affinity: Use configured 'threads' value if set 
This patch modifies runmodes to make them use the new 'threads'
variable.

Signed-off-by: Eric Leblond <eric@regit.org>
 15 years ago
Eric Leblond 0809deafc4 Implement function needed for affinity in tm-threads 
This patch features the implementation of affinity related
changes in tm-threads. In place code has been used but some
refactoring has been done to avoid code duplication.

Signed-off-by: Eric Leblond <eric@regit.org>
 15 years ago
Victor Julien 3c1ae607cf Fix cuda compilation. 15 years ago
Anoop Saldanha 33f4beb0bc batching of packets support for cuda b2g mpm. Supported for both 32 and 64 bit platforms 15 years ago
William Metcalf ce01927515 Import of GPLv2 Header 050410 15 years ago
Victor Julien 23cb020493 Fix thread flag code to compile with gnu99 15 years ago
Victor Julien 63cb1818ed Move TmThread*Flag functions to the header so they can be inline with gnu99 as well. 15 years ago
Pablo Rincon 7719216575 Setting thread priorities with nice 16 years ago
Anoop Saldanha 41e6735b92 mpm b2g cuda support added 16 years ago
Pablo Rincon b482471a7d Adding auto runmodes based on available core/cpu's. Setting thread priorities 16 years ago
Pablo Rincon e26833be3f Changing mutex/spinlocks/conditions naming types 16 years ago
Pablo Rincon 769022f4be Adding support for Mac OS X, FreeBSD, centrailizing mutex/spins/conditions in a macro API, and some unittests 16 years ago
Gurvinder Singh 48c94bbf03 initial thread code support 16 years ago
Anoop Saldanha 157d5e8113 Implementation of the logging module 16 years ago
Victor Julien 597d0e9a20 Fix detection of failed thread startup. Cleanup startup output a bit. 16 years ago
Victor Julien cfb605aa8a Put the precooked runmodes in a separate file. 16 years ago
Victor Julien 1858be7a2f Lock threadvars flags using spinlocks. 16 years ago
Anoop Saldanha 3a45b2711c Fixed the Perf API startup issue 16 years ago
Anoop Saldanha f35d9f0437 threading improvements. Replaced the use of slot(2/3) with varslot. Improve error handling in slot functions. Additional helper functions for thread creation 16 years ago
Anoop Saldanha 53c21410b6 improve the threading api for the ids 16 years ago
Anoop Saldanha a5fb240a4a Changes added for the Performance Counter API 16 years ago