add data compression and decompression

src/shared/chunk.h

@@ -1,7 +1,7 @@
 #ifndef CHUNK_H
 #define CHUNK_H
 
-#include "socket.h"
+#include "data.h"
 #include <sys/stat.h>
 
 #define DESIRED_CHUNK_SIZE 10 * 1024 * 1024
@@ -16,7 +16,7 @@ typedef struct {
 
 typedef struct {
   char *path;
-  DataFragment *data_fragment;
+  Data *data;
 } FileReceive;
 
 typedef struct {
@@ -24,25 +24,22 @@ typedef struct {
   int element_count;
 } Chunk;
 
-typedef struct {
-  void *data;
-  unsigned long long data_size;
-} Data;
-
 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, DataFragment *data_fragment);
+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);
+Data *chunk_compress(Chunk *chunk, int compression_level);
+Chunk *chunk_decompress(Data *data, int compression_level);
 
 Data *chunk_data_create(void *data, unsigned long long data_size);
 void chunk_data_delete(void *chunk);