fix: bring project back to a working state

This commit is contained in:
Theo Tappe
2026-07-04 17:55:03 +02:00
parent 75d5f91c6a
commit 4d6171d6bf
17 changed files with 315 additions and 226 deletions
+40 -117
View File
@@ -6,99 +6,11 @@
#include <string.h>
#include <zstd.h>
#include "array_list.h"
#include "chunk.h"
#include "data.h"
#include "file.h"
#include "log.h"
#include "socket.h"
File *file_create(const char *path, struct stat *stats) {
File *file = (File *)malloc(sizeof(File));
if (file == NULL) {
perror("FATAL ERROR: Could not allocate memory for file struct");
exit(EXIT_FAILURE);
}
file->stats = *stats;
int path_len = strlen(path);
file->path = (char *)malloc(path_len + 1);
if (file->path == NULL) {
perror("FATAL ERROR: Could not allocate memory for path file string");
free(file);
exit(EXIT_FAILURE);
}
strcpy(file->path, path);
file->data = NULL;
return file;
}
void file_destroy(void *item) {
if (item == NULL)
return;
File *file = (File *)item;
free(file->data);
file->data = NULL;
free(file->path);
file->path = NULL;
free(file);
}
void file_load_data(File *file) {
if (file == NULL)
return;
file->data = malloc(file->stats.st_size);
if (file->data == NULL) {
perror("Could not allocate memeor y for file data!");
exit(EXIT_FAILURE);
}
file_content_to_buffer(file, file->data);
}
void file_print(void *item) {
if (item == NULL)
return;
printf("%s\n", ((File *)item)->path);
}
void file_send_single_calls(File *file, int file_descriptor) {
send_str(file_descriptor, file->path);
send_data(file_descriptor, file->data, file->stats.st_size);
}
void file_content_to_buffer(File *file, char *buffer) {
if (buffer == NULL) {
perror("Buffer is to write file content to is NULL!");
exit(EXIT_FAILURE);
}
FILE *file_pointer = fopen(file->path, "rb");
if (file_pointer == NULL) {
perror("Could not open the file!");
exit(EXIT_FAILURE);
}
size_t bytes_read = fread(buffer, 1, file->stats.st_size, file_pointer);
if (bytes_read != (size_t)file->stats.st_size) {
perror("Read to many or to less bytes from File!");
exit(EXIT_FAILURE);
}
fclose(file_pointer);
}
FileReceive *file_receive_create(char *path, Data *data) {
FileReceive *file = malloc(sizeof(FileReceive));
file->path = path;
file->data_fragment = data;
return file;
}
void file_receive_destroy(void *file_receive) {
if (file_receive == NULL)
return;
FileReceive *file = (FileReceive *)file_receive;
data_destroy(file->data_fragment);
free(file->path);
free(file);
}
Chunk *chunk_create(File **items, int element_count) {
Chunk *chunk = (Chunk *)malloc(sizeof(Chunk));
@@ -160,23 +72,23 @@ Data *chunk_format(Chunk *chunk) {
exit(EXIT_FAILURE);
}
char *current_data_pointer = data;
for (int i = 0; i < chunk->element_count; ++i) {
File *file = chunk->items[i];
// add path len
int path_length = (int)strlen(file->path);
memcpy(current_data_pointer, &path_length, sizeof(int));
current_data_pointer += sizeof(int);
// add path
memcpy(current_data_pointer, file->path, path_length);
current_data_pointer += path_length;
// add file data len
unsigned long long file_length = file->stats.st_size;
memcpy(current_data_pointer, &file_length, sizeof(unsigned long long));
current_data_pointer += sizeof(unsigned long long);
// add file data
file_content_to_buffer(file, current_data_pointer);
current_data_pointer += file_length;
}
// for (int i = 0; i < chunk->element_count; ++i) {
// File *file = chunk->items[i];
// // add path len
// int path_length = (int)strlen(file->path);
// memcpy(current_data_pointer, &path_length, sizeof(int));
// current_data_pointer += sizeof(int);
// // add path
// memcpy(current_data_pointer, file->path, path_length);
// current_data_pointer += path_length;
// // add file data len
// unsigned long long file_length = file->stats.st_size;
// memcpy(current_data_pointer, &file_length, sizeof(unsigned long long));
// current_data_pointer += sizeof(unsigned long long);
// // add file data
// file_content_to_buffer(file, current_data_pointer);
// current_data_pointer += file_length;
// }
if (current_data_pointer - data != (long)(long)buffer_size) {
perror("Buffer of Chunk wasn't filled enough!");
exit(EXIT_FAILURE);
@@ -202,27 +114,38 @@ Data *chunk_compress(Chunk *chunk, int compression_level) {
char *data_pointer = data->data;
for (int i = 0; i < chunk->element_count; i++) {
// path length
unsigned long long path_len = strlen(chunk->items[i]->path);
memcpy(data_pointer, &path_len, sizeof(unsigned long long));
data_pointer += sizeof(unsigned long long);
size_t path_len = strlen(chunk->items[i]->path);
memcpy(data_pointer, &path_len, sizeof(size_t));
data_pointer += sizeof(size_t);
memcpy(data_pointer, chunk->items[i]->path, path_len);
data_pointer += path_len;
// file data
unsigned long long data_size = chunk->items[i]->stats.st_size;
memcpy(data_pointer, &data_size, sizeof(unsigned long long));
data_pointer += sizeof(unsigned long long);
memcpy(data_pointer, &data_size, sizeof(size_t));
data_pointer += sizeof(size_t);
memcpy(data_pointer, chunk->items[i]->data, data_size);
data_pointer += data_size;
}
log_message(LOG_LEVEL_DEBUG, "Chunk succesfully compressed");
return compress_data(data, compression_level);
return data_compress(data, compression_level);
}
Chunk *chunk_decompress(Data *data, int compression_level) {
// ArrayList *files = array_list_create(file_destroy);
// size_t data_size = ZSTD_getFrameContentSize(const void *src, size_t
// srcSize);
Chunk *chunk_decompress(Data *compressed_data) {
log_message(LOG_LEVEL_DEBUG, "Starting to decompress chunk");
Data *uncompressed_data = data_decompress(compressed_data);
ArrayList *files = array_list_create(file_destroy);
size_t *data_pointer = uncompressed_data->data;
while (data_pointer <
(size_t *)uncompressed_data->data + uncompressed_data->size) {
size_t path_len = data_pointer[0];
printf("%zu, testing", path_len);
break;
}
log_message(LOG_LEVEL_DEBUG, "Chunk succesfully decompressed");
return NULL;
}
Data *chunk_data_create(void *data, unsigned long long data_size) {
+2 -22
View File
@@ -2,44 +2,24 @@
#define CHUNK_H
#include "data.h"
#include "file.h"
#include <sys/stat.h>
#define DESIRED_CHUNK_SIZE 10 * 1024 * 1024
#define FILE_PATH_SEPERATOR "#&&SEPP&&#"
#define FILE_PATH_DATA_SEPERATOR "#&&SEPD&&#"
typedef struct {
char *path;
struct stat stats;
char *data;
} File;
typedef struct {
char *path;
Data *data;
} FileReceive;
typedef struct {
File **items;
int element_count;
} Chunk;
File *file_create(const char *path, struct stat *stats);
void file_destroy(void *item);
void file_load_data(File *file);
void file_print(void *item);
void file_send_single_calls(File *file, int file_descriptor);
void file_content_to_buffer(File *file, char *buffer);
FileReceive *file_receive_create(char *path, Data *data);
void file_receive_destroy(void *file_receive);
Chunk *chunk_create(File **items, int element_count);
void chunk_destroy(void *chunk);
void chunk_print(void *chunk);
Data *chunk_format(Chunk *chunk);
Data *chunk_compress(Chunk *chunk, int compression_level);
Chunk *chunk_decompress(Data *data, int compression_level);
Chunk *chunk_decompress(Data *compressed_data);
Data *chunk_data_create(void *data, unsigned long long data_size);
void chunk_data_delete(void *chunk);
+2 -2
View File
@@ -40,7 +40,7 @@ void config_send(int file_descriptor, Config *config) {
send_int(file_descriptor, config->use_compression);
send_int(file_descriptor, config->use_compression);
send_int(file_descriptor, config->num_connections);
if (receive_status(file_descriptor) != OK) {
if (receive_status(file_descriptor) != STATUS_OK) {
perror("Error transmitting config!");
exit(EXIT_FAILURE);
}
@@ -57,6 +57,6 @@ Config *config_receive(int file_descriptor) {
config->use_compression = receive_int(file_descriptor);
config->compression_level = receive_int(file_descriptor);
config->num_connections = receive_int(file_descriptor);
send_status(file_descriptor, OK);
send_status(file_descriptor, STATUS_OK);
return config;
}
+5 -4
View File
@@ -21,7 +21,7 @@ Data *data_create(void *data, size_t data_size) {
}
new_data->data = data;
new_data->size = data_size;
return data;
return new_data;
}
void data_destroy(Data *data) {
@@ -29,7 +29,7 @@ void data_destroy(Data *data) {
free(data);
}
Data *compress_data(Data *data_to_compress, int compression_level) {
Data *data_compress(Data *data_to_compress, int compression_level) {
log_message(LOG_LEVEL_DEBUG, "Starting to compress data");
Data *compressed_data =
data_create_empty(ZSTD_compressBound(data_to_compress->size));
@@ -43,11 +43,12 @@ Data *compress_data(Data *data_to_compress, int compression_level) {
exit(EXIT_FAILURE);
}
log_message(LOG_LEVEL_DEBUG, "Data succesfully compressed");
log_message(LOG_LEVEL_DEBUG, "Data succesfully compressed from %zu to %zu",
data_to_compress->size, compressed_data->size);
return compressed_data;
}
Data *decompress_data(Data *compressed_data) {
Data *data_decompress(Data *compressed_data) {
log_message(LOG_LEVEL_DEBUG, "Start to decompress data");
Data *uncompressed_data = data_create_empty(
ZSTD_getFrameContentSize(compressed_data->data, compressed_data->size));
+2 -2
View File
@@ -11,7 +11,7 @@ typedef struct {
Data *data_create_empty(size_t data_size);
Data *data_create(void *data, size_t data_size);
void data_destroy(Data *data);
Data *compress_data(Data *data_to_compress, int compression_level);
Data *decompress_data(Data *compressed_data);
Data *data_compress(Data *data_to_compress, int compression_level);
Data *data_decompress(Data *compressed_data);
#endif
+103
View File
@@ -0,0 +1,103 @@
#include <dirent.h>
#include <libgen.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <zstd.h>
#include "data.h"
#include "file.h"
#include "log.h"
#include "socket.h"
File *file_create(const char *path, struct stat *stats) {
File *file = (File *)malloc(sizeof(File));
if (file == NULL) {
perror("FATAL ERROR: Could not allocate memory for file struct");
exit(EXIT_FAILURE);
}
file->stats = *stats;
int path_len = strlen(path);
file->path = (char *)malloc(path_len + 1);
if (file->path == NULL) {
perror("FATAL ERROR: Could not allocate memory for path file string");
free(file);
exit(EXIT_FAILURE);
}
strcpy(file->path, path);
file->data = NULL;
return file;
}
void file_destroy(void *item) {
if (item == NULL)
return;
File *file = (File *)item;
free(file->data);
file->data = NULL;
free(file->path);
file->path = NULL;
free(file);
}
void file_load_data(File *file) {
if (file == NULL)
return;
file->data = data_create_empty(file->stats.st_size);
printf("%ld is file big", file->data->size);
size_t bytes_read = file_content_to_buffer(file);
if (bytes_read != file->data->size) {
log_message(STATUS_ERROR, "Didnt read expected amount of bytes from file");
exit(EXIT_FAILURE);
}
}
void file_print(void *item) {
if (item == NULL)
return;
printf("%s\n", ((File *)item)->path);
}
void file_send_single_calls(File *file, int file_descriptor) {
send_str(file_descriptor, file->path);
printf("Sending File: %ld", file->data->size);
send_data(file_descriptor, file->data->data, file->data->size);
}
size_t file_content_to_buffer(File *file) {
FILE *file_pointer = fopen(file->path, "rb");
if (file_pointer == NULL) {
perror("Could not open the file!");
return 0;
}
size_t bytes_read =
fread(file->data->data, 1, file->stats.st_size, file_pointer);
if (bytes_read != (size_t)file->stats.st_size) {
perror("Read to many or to less bytes from File!");
return 0;
}
fclose(file_pointer);
return bytes_read;
}
FileReceive *file_receive_create(char *path, Data *data) {
FileReceive *file = malloc(sizeof(FileReceive));
file->path = path;
file->data = data;
return file;
}
void file_receive_destroy(void *file_receive) {
if (file_receive == NULL)
return;
FileReceive *file = (FileReceive *)file_receive;
data_destroy(file->data);
free(file->path);
free(file);
}
FileReceive *file_receive_from_buffer(void *buffer) {}
+31
View File
@@ -0,0 +1,31 @@
#ifndef FILE_H
#define FILE_H
#include "data.h"
#include <sys/stat.h>
typedef struct {
char *path;
struct stat stats;
Data *data;
} File;
typedef struct {
char *path;
Data *data;
} FileReceive;
File *file_create(const char *path, struct stat *stats);
void file_destroy(void *item);
void file_load_data(File *file);
void file_print(void *item);
void file_send_single_calls(File *file, int file_descriptor);
size_t file_content_to_buffer(File *file);
Data *file_compress(File *file);
FileReceive *file_receive_create(char *path, Data *data);
void file_receive_destroy(void *file_receive);
FileReceive *file_receive_from_buffer(void *buffer);
FileReceive *file_receive_decompress(void *FileReceive);
#endif
+11 -10
View File
@@ -110,18 +110,19 @@ void client_delete(Client *client) {
void send_n_data(int file_descriptor, void *data, size_t data_size) {
log_message(LOG_LEVEL_DEBUG, " Sending n Data: %d", data_size);
size_t total_bytes_send = 0;
ssize_t total_bytes_send = 0;
while (total_bytes_send < data_size) {
long long bytes_send =
send(file_descriptor, (char *)data + total_bytes_send,
data_size - total_bytes_send, 0);
if (bytes_send == 0) {
printf("Trying: %zu\n", data_size - total_bytes_send);
ssize_t bytes_send = send(file_descriptor, (char *)data + total_bytes_send,
data_size - total_bytes_send, 0);
printf("Bytes send: %zd\n", bytes_send);
if (bytes_send <= 0) {
perror("Could not send data!");
exit(EXIT_FAILURE);
}
total_bytes_send += bytes_send;
}
log_message(LOG_LEVEL_DEBUG, " Send n Data: %d", total_bytes_send);
log_message(LOG_LEVEL_DEBUG, " Send n Data: %zu", total_bytes_send);
}
void receive_n_data(int file_descriptor, void *data, size_t data_size) {
@@ -186,13 +187,13 @@ int receive_int(int file_descriptor) {
const char *status_to_string(Status status) {
switch (status) {
case OK:
case STATUS_OK:
return "OK";
case ERROR:
case STATUS_ERROR:
return "ERROR";
case FINISHED:
case STATUS_FINISHED:
return "FINISHED";
case NEXT:
case STATUS_NEXT:
return "NEXT";
default:
return "UNKNOWN";
+1 -1
View File
@@ -5,7 +5,7 @@
#include <netinet/in.h>
typedef int Status;
enum NET_STATUS { OK, ERROR, FINISHED, NEXT };
enum NET_STATUS { STATUS_OK, STATUS_ERROR, STATUS_FINISHED, STATUS_NEXT };
typedef struct Server {
struct sockaddr_in address;
+6 -1
View File
@@ -10,9 +10,14 @@ void mkdir_r(char *path) {
strcpy(path_duplicate, path);
char *path_current = (char *)malloc((strlen(path) + 2) * sizeof(char));
char *path_current_position = path_current;
if (path[0] == '/') {
strcpy(path_current, "/");
path_current_position += 1;
} else {
path_current[0] = '\0';
}
const char *delimiter = "/";
char *part = strtok(path_duplicate, delimiter);
// struct stat st;
while (part != NULL) {
strcpy(path_current_position, part);
path_current_position += strlen(part) * sizeof(char);