 DL6ER
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1b15885c0f
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Check struct sizes on the CI (in code) instead of during compile time (using the preprocessor)
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2022-04-18 10:39:43 +02:00 |
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DL6ER
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eb8de5f0f2
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Fix a memory leak when re-opening the databases (when forking or reloading the lists). The memory leak is on the order of a few bytes but scales quickly with the number of clients. It is caused by SQLite3 not being able to clean up behind itself when we're not finalizing and closing everything explicitly.
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2021-03-16 11:37:13 +01:00 |
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DL6ER
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50d182950a
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Statically assert struct sizes are what we expect. This prevents us from increasing the memory needs unintentionally (e.g. due to sub-optimal padding)
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2021-01-18 14:29:03 +01:00 |
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DL6ER
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536ef08ce5
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Free allocated memory after ordinary termination of TCP workers (TCP connection closed)
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2020-04-06 15:11:32 +02:00 |
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DL6ER
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c9eb4a1265
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Remove append and delete instructions as we will always identify clients exactly by their IDs
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2020-04-06 13:08:02 +02:00 |
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DL6ER
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3aa6edcf07
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Implement process-private prepared gravity database client statements. This fixes an incompatibility across forks when serving TCP traffic using dedicated workers.
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2020-04-06 12:17:04 +02:00 |
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DL6ER
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c9c7c27888
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Add shared DNS cache for FTL. This cache is shared across forks and can be used by TCP and UDP clients avoiding any doubled amount of work.
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2019-12-30 14:08:22 +00:00 |
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DL6ER
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8d28bf4b55
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Remove commented out generic vector implementation.
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2019-12-11 21:19:41 +00:00 |
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DL6ER
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faac7005d1
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Improve performance significantly. We store if (and if: why) a certain domain was blocked for any requesting client and can immediately reply similarly if the same client requests the same domain again. This reduces the O(N^3) problem (number of queries * number of domains * number of clients) to a O(N^2) problem (domains * clients). Note that this state of the code still lacks a possibility to reset when entries in the database have changed. For this, we still have to send either SIGHUP (drawback: clears the cache) or define a new signal for it.
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2019-11-22 09:42:06 +01:00 |
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DL6ER
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7fd801dbc2
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Add pure attribute to vGet() to signal that this function might be eliminated without consequences in static data flow analysis.
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2019-11-21 12:18:53 +01:00 |
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DL6ER
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0baa56c3c3
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Add a generic dynamic vector implementation. I tested my implementation using gdb and also against valgrind to ensure there are no memory leaks.
Signed-off-by: DL6ER <dl6er@dl6er.de>
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2019-11-21 12:12:26 +01:00 |
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