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AP_Scripting: add checksum of running and loaded scripts with arming check

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This commit is contained in:
Iampete1
2023-11-25 17:18:37 +00:00
committed by Andrew Tridgell
parent 423a218643
commit 2a3a5b2804
4 changed files with 125 additions and 3 deletions
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37
libraries/AP_Scripting/lua_scripts.cpp
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@@ -36,6 +36,10 @@ HAL_Semaphore lua_scripts::error_msg_buf_sem;
uint8_t lua_scripts::print_error_count;
uint32_t lua_scripts::last_print_ms;
uint32_t lua_scripts::loaded_checksum;
uint32_t lua_scripts::running_checksum;
HAL_Semaphore lua_scripts::crc_sem;
lua_scripts::lua_scripts(const AP_Int32 &vm_steps, const AP_Int32 &heap_size, const AP_Int8 &debug_options, struct AP_Scripting::terminal_s &_terminal)
: _vm_steps(vm_steps),
_debug_options(debug_options),
@@ -199,6 +203,19 @@ lua_scripts::script_info *lua_scripts::load_script(lua_State *L, char *filename)
new_script->lua_ref = luaL_ref(L, LUA_REGISTRYINDEX); // cache the reference
new_script->next_run_ms = AP_HAL::millis64() - 1; // force the script to be stale
// Get checksum of file
uint32_t crc = 0;
if (AP::FS().crc32(filename, crc)) {
// Record crc of this script
new_script->crc = crc;
{
// Apply crc to checksum of all scripts
WITH_SEMAPHORE(crc_sem);
loaded_checksum ^= crc;
running_checksum ^= crc;
}
}
return new_script;
}
@@ -391,6 +408,13 @@ void lua_scripts::remove_script(lua_State *L, script_info *script) {
}
_heap.deallocate(script->name);
_heap.deallocate(script);
{
// Remove from running checksum
WITH_SEMAPHORE(crc_sem);
running_checksum ^= script->crc;
}
}
void lua_scripts::reschedule_script(script_info *script) {
@@ -606,4 +630,17 @@ void lua_scripts::run(void) {
error_msg_buf_sem.give();
}
// Return the file checksums of running and loaded scripts
uint32_t lua_scripts::get_loaded_checksum()
{
WITH_SEMAPHORE(crc_sem);
return loaded_checksum;
}
uint32_t lua_scripts::get_running_checksum()
{
WITH_SEMAPHORE(crc_sem);
return running_checksum;
}
#endif // AP_SCRIPTING_ENABLED