1 files changed, 139 insertions, 0 deletions
diff --git a/c_implementation/src/akfs_map_v3.c b/c_implementation/src/akfs_map_v3.c
new file mode 100644
index 0000000..7b7e75b
--- /dev/null
+++ b/c_implementation/src/akfs_map_v3.c
@@ -0,0 +1,139 @@
+#include <stdio.h>
+#include <string.h>
+#include <libakfs.h>
+#include <libaklog.h>
+#include <sys/stat.h>
+
+// const char maps_dir[] = "/home/kaotisk/.arching-kaos/akfs/maps/";
+
+void ak_fs_map_v3_init(akfs_map_v3 *map)
+{
+    ak_fs_sha512sum_init(&map->oh);
+    ak_fs_sha512sum_init(&map->rh);
+    ak_fs_sha512sum_init(&map->mh);
+    ak_fs_init_string(map->filename, 256);
+}
+
+void ak_fs_map_v3_init_store(akfs_map_v3** ms, size_t l)
+{
+    akfs_map_v3 *m = NULL;
+    for (m = *ms; m < *ms+l; ++m)
+    {
+        ak_fs_map_v3_init(m);
+    }
+}
+
+void ak_fs_map_v3_print_original_hash(akfs_map_v3 *map)
+{
+    if (!ak_fs_map_v3_is_null(map))
+    {
+        char string[129];
+        ak_fs_sha512sum_struct_to_string(&(map->oh), string);
+        printf(" .oh: %s\n", string);
+    }
+    else
+    {
+        ak_log_debug(__func__,"map is null");
+    }
+}
+
+void ak_fs_map_v3_print_root_hash(akfs_map_v3 *map)
+{
+    if (!ak_fs_map_v3_is_null(map))
+    {
+        char string[129];
+        ak_fs_sha512sum_struct_to_string(&(map->rh), string);
+        printf(" .rh: %s\n", string );
+    }
+    else
+    {
+        ak_log_debug(__func__,"map is null");
+    }
+}
+
+char* ak_fs_map_v3_get_filename(akfs_map_v3 *map)
+{
+    if (!ak_fs_map_v3_is_null(map))
+    {
+        return map->filename;
+    }
+    else
+    {
+        return "";
+    }
+}
+
+void ak_fs_map_v3_print_filename(akfs_map_v3 *map)
+{
+    if (!ak_fs_map_v3_is_null(map))
+    {
+        printf(" .fn: %s\n", ak_fs_map_v3_get_filename(map));
+    }
+}
+
+void ak_fs_map_v3_print_map_hash(akfs_map_v3 *map)
+{
+    if (!ak_fs_map_v3_is_null(map))
+    {
+        char string[129];
+        ak_fs_sha512sum_struct_to_string(&(map->mh), string);
+        printf(" .mh: %s\n", string );
+    }
+}
+
+void ak_fs_map_v3_print(akfs_map_v3 *map)
+{
+    printf("map_v3 {\n");
+    ak_fs_map_v3_print_map_hash(map);
+    ak_fs_map_v3_print_original_hash(map);
+    ak_fs_map_v3_print_root_hash(map);
+    ak_fs_map_v3_print_filename(map);
+    printf("}\n");
+}
+
+int ak_fs_open_map_v3_file(char* maphash, akfs_map_v3 * map)
+{
+    if (map==0x0||map==NULL)
+    {
+        ak_log_debug(__func__, "Zeropointer");
+        return 1;
+    }
+    if ( !ak_fs_verify_input_is_hash(maphash) )
+    {
+        ak_log_debug(__func__,"not a hash");
+        return 1;
+    }
+    FILE *fd;
+    char *full_path = {0};
+    asprintf(&full_path, "%s%s", ak_fs_maps_v3_get_dir(), maphash);
+    // printf("Trying path: %s\n", full_path);
+    fd = fopen(full_path, "rb");
+    if (!fd)
+    {
+        // perror("fopen");
+        return 1;
+    }
+    struct stat sb;
+    if (stat(full_path, &sb) == -1) {
+        perror("stat");
+        return 2;
+    }
+    // File size: %lld in bytes: (long long) sb.st_size);
+    char buffer[(long long) sb.st_size+1];
+    fread(&buffer, sizeof(buffer), (long long) sb.st_size, fd);
+    ak_fs_sha512sum_string_to_struct(maphash, &(map->mh));
+    if ( ak_fs_convert_map_v3_string_to_struct(buffer, strlen(buffer), map) != 0 )
+    {
+        ak_log_debug(__func__,"conversion failed");
+        fclose(fd);
+        return 1;
+    }
+    fclose(fd);
+    return 0;
+}
+
+int ak_fs_map_v3_to_file(akfs_map_v3 maphash)
+{
+    (void)maphash;
+    return 0;
+}