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suricata/rust
Shivani Bhardwaj bc79300dfa datasets: move initial file reading to rust
In a recent warning reported by scan-build, datasets were found to be
using a blocking call in a critical section.

datasets.c:187:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
  187 |     while (fgets(line, (int)sizeof(line), fp) != NULL) {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:292:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
  292 |     while (fgets(line, (int)sizeof(line), fp) != NULL) {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:368:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
  368 |     while (fgets(line, (int)sizeof(line), fp) != NULL) {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:442:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
  442 |     while (fgets(line, (int)sizeof(line), fp) != NULL) {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:512:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
  512 |     while (fgets(line, (int)sizeof(line), fp) != NULL) {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.

These calls are blocking in the multi tenant mode where several tenants
may be trying to load the same dataset in parallel.
In a single tenant mode, this operation is performed as a part of a
single thread before the engine startup.

In order to evade the warning and simplify the code, the initial file
reading is moved to Rust with this commit with a much simpler handling
of dataset and datarep.

Bug 7398
2 years ago
..
.cargo
derive
src datasets: move initial file reading to rust 2 years ago
.gitignore
Cargo.lock.in lua: update lua to 5.4.7 2 years ago
Cargo.toml.in lua: update lua to 5.4.7 2 years ago
Makefile.am
cbindgen.toml datasets: move initial file reading to rust 2 years ago
rustfmt.toml