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2025-04-29 23:07:33 +12:00
parent 38b3f33689
commit b770558c68
5 changed files with 3768 additions and 61 deletions
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34
src/utils/hash.cpp
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@@ -11,20 +11,21 @@ namespace dropshell {
uint64_t hash_file(const std::string &path) {
// Create hash state
XXH3_state_t* const state = XXH3_createState();
XXH64_state_t* const state = XXH64_createState();
if (state == nullptr) {
std::cerr << "Failed to create hash state" << std::endl;
return 0;
}
// Initialize state with seed 0
XXH3_64bits_reset(state);
XXH64_hash_t const seed = 0; /* or any other value */
if (XXH64_reset(state, seed) == XXH_ERROR) return 0;
// Open file
std::ifstream file(path, std::ios::binary);
if (!file.is_open()) {
std::cerr << "Failed to open file: " << path << std::endl;
XXH3_freeState(state);
XXH64_freeState(state);
return 0;
}
@@ -32,40 +33,41 @@ uint64_t hash_file(const std::string &path) {
const size_t buffer_size = 4096;
char buffer[buffer_size];
while (file.read(buffer, buffer_size)) {
if (XXH3_64bits_update(state, buffer, file.gcount()) == XXH_ERROR) {
if (XXH64_update(state, buffer, file.gcount()) == XXH_ERROR) {
std::cerr << "Failed to update hash" << std::endl;
XXH3_freeState(state);
XXH64_freeState(state);
return 0;
}
}
// Handle any remaining bytes
if (file.gcount() > 0) {
if (XXH3_64bits_update(state, buffer, file.gcount()) == XXH_ERROR) {
if (XXH64_update(state, buffer, file.gcount()) == XXH_ERROR) {
std::cerr << "Failed to update hash" << std::endl;
XXH3_freeState(state);
XXH64_freeState(state);
return 0;
}
}
// Get final hash
XXH64_hash_t hash = XXH3_64bits_digest(state);
XXH3_freeState(state);
XXH64_hash_t hash = XXH64_digest(state);
XXH64_freeState(state);
return hash;
}
uint64_t hash_directory_recursive(const std::string &path) {
// Create hash state
XXH3_state_t* const state = XXH3_createState();
XXH64_state_t* const state = XXH64_createState();
if (state == nullptr) {
std::cerr << "Failed to create hash state" << std::endl;
return 0;
}
// Initialize state with seed 0
if (XXH3_64bits_reset(state) == XXH_ERROR) {
XXH64_hash_t const seed = 0; /* or any other value */
if (XXH64_reset(state, seed) == XXH_ERROR) {
std::cerr << "Failed to reset hash state" << std::endl;
XXH3_freeState(state);
XXH64_freeState(state);
return 0;
}
@@ -75,18 +77,18 @@ uint64_t hash_directory_recursive(const std::string &path) {
if (entry.is_regular_file()) {
// Get file hash
XXH64_hash_t file_hash = hash_file(entry.path().string());
XXH3_64bits_update(state, &file_hash, sizeof(file_hash));
XXH64_update(state, &file_hash, sizeof(file_hash));
}
}
} catch (const std::filesystem::filesystem_error& e) {
std::cerr << "Filesystem error: " << e.what() << std::endl;
XXH3_freeState(state);
XXH64_freeState(state);
return 0;
}
// Get final hash
XXH64_hash_t hash = XXH3_64bits_digest(state);
XXH3_freeState(state);
XXH64_hash_t hash = XXH64_digest(state);
XXH64_freeState(state);
return hash;
}