add data compression and decompression

This commit is contained in:
Theo Tappe
2026-06-14 16:52:07 +00:00
parent 7478d050e3
commit 75d5f91c6a
14 changed files with 189 additions and 94 deletions
+8 -10
View File
@@ -14,16 +14,15 @@
#include "utils.h"
#include <dirent.h>
int send_chunk(Client *client, Chunk *chunk, bool use_compression) {
if (use_compression) {
Data *data = chunk_compress(chunk);
send_data(client->file_descriptor, data->data, data->data_size);
int send_chunk(Client *client, Chunk *chunk, Config *config) {
if (config->use_compression) {
Data *data = chunk_compress(chunk, config->compression_level);
send_data(client->file_descriptor, data->data, data->size);
} else {
for (int i = 0; i < chunk->element_count; i++) {
send_status(client->file_descriptor, NEXT);
File *file = chunk->items[i];
send_str(client->file_descriptor, file->path);
send_data(client->file_descriptor, file->data, file->stats.st_size);
file_send_single_calls(file, client->file_descriptor);
}
}
return 0;
@@ -76,7 +75,6 @@ int load_files_multithreaded(void *pipeline_context) {
int send_chunks_multithreaded(void *pipeline_context) {
PipelineContextSender *context = (PipelineContextSender *)pipeline_context;
bool use_compression = context->config->use_compression;
Client *client = client_create();
client_connect(client, "127.0.0.1", 8080);
config_send(client->file_descriptor, context->config);
@@ -92,7 +90,7 @@ int send_chunks_multithreaded(void *pipeline_context) {
client_delete(client);
return thrd_success;
}
if (send_chunk(client, current_chunk, use_compression) != 0) {
if (send_chunk(client, current_chunk, context->config) != 0) {
perror("Something unexpected happend while sending the chunk");
exit(EXIT_FAILURE);
}
@@ -109,7 +107,7 @@ int send_files(Config *config) {
while ((current_chunk = directory_scanner_next(scanner)) != NULL) {
for (int i = 0; i < current_chunk->element_count; i++)
file_load_data(current_chunk->items[i]);
send_chunk(client, current_chunk, config->use_compression);
send_chunk(client, current_chunk, config);
chunk_destroy(current_chunk);
}
send_status(client->file_descriptor, FINISHED);
@@ -175,7 +173,7 @@ int send_files_multithreaded(Config *config) {
int main(int argc, char *argv[]) {
Config *config = config_create(
str_dup("1.0.0"), str_dup("/home/taptap/Nextcloud/Uni/moodle/MINT-Raum"),
str_dup("./data_copied"), false, false, false, false, 1);
str_dup("./data_copied"), false, false, false, false, 5, 1);
for (int i = 1; i < argc; i++) {
handle_arg(argv[i], "-m", &config->use_multithreading,
"Enabled Multithreading");