add more tfile info

This commit is contained in:
silverweed 2024-07-18 15:56:55 +02:00
parent 5923ac4360
commit 94c5d432ab
6 changed files with 56 additions and 3 deletions

View file

@ -44,6 +44,8 @@ u32 mem_edit_bg_color_fn(const u8 *, u64 off, void *user_data)
// TFile start
if (off <= tdata.root_file_header_size) return COL(app->viewer.col_tfile_header);
if (tdata.rng_root_file_obj.start <= off && off < tdata.rng_root_file_obj.end()) return COL(app->viewer.col_tfile_obj);
if (tdata.rng_root_file_info.start <= off && off < tdata.rng_root_file_info.end()) return COL(app->viewer.col_tfile_info);
if (tdata.rng_root_file_free.start <= off && off < tdata.rng_root_file_free.end()) return COL(app->viewer.col_tfile_free);
// Handle pages
// fast case: `off` is in the same page info as previous `off`.
@ -139,6 +141,8 @@ void make_viewer(App_State &app)
COL(col_key, 0, 100, 50);
COL(col_tfile_header, 90, 90, 90);
COL(col_tfile_obj, 120, 120, 120);
COL(col_tfile_info, 95, 76, 76);
COL(col_tfile_free, 60, 60, 90);
COL(col_page, 125, 0, 125);
COL(col_page_start, 200, 0, 200);
COL(col_checksum, 134, 65, 25);
@ -233,6 +237,14 @@ void update_and_render(Arena *arena, App_State &app, f32 delta_time_ms)
ImGui::SameLine();
if (ImGui::Button("TFile Object")) viewer_jump_to(app.viewer, app.tfile_data.rng_root_file_obj.start);
ImGui::ColorEdit3("_TFile Info", app.viewer.col_tfile_info, flags);
ImGui::SameLine();
if (ImGui::Button("TFile Info")) viewer_jump_to(app.viewer, app.tfile_data.rng_root_file_info.start);
ImGui::ColorEdit3("_TFile FreeList", app.viewer.col_tfile_free, flags);
ImGui::SameLine();
if (ImGui::Button("TFile FreeList")) viewer_jump_to(app.viewer, app.tfile_data.rng_root_file_free.start);
ImGui::ColorEdit3("_RNTuple Anchor", app.viewer.col_anchor, flags);
ImGui::SameLine();
if (ImGui::Button("RNTuple Anchor")) viewer_jump_to(app.viewer, app.rndata.rng_anchor.start);
@ -290,6 +302,7 @@ void update_and_render(Arena *arena, App_State &app, f32 delta_time_ms)
app.tfile_data.root_version_minor,
app.tfile_data.root_version_patch);
ImGui::Text("ROOT version: %s", root_version_str.c());
ImGui::Text("TFile compression: %u", app.tfile_data.compression);
ImGui::Text("Num pages: %lu", app.rndata.n_pages);
ImGui::Text("Num elements: %lu", app.rndata.n_elems);

View file

@ -7,6 +7,8 @@ struct Viewer {
f32 col_key[3];
f32 col_tfile_header[3];
f32 col_tfile_obj[3];
f32 col_tfile_info[3];
f32 col_tfile_free[3];
f32 col_page[3];
f32 col_page_start[3];
f32 col_checksum[3];

View file

@ -240,10 +240,8 @@ TFile_Data get_tfile_data(const Inspected_File &file)
tfile_data.rng_root_file_obj.len = root_file_info.tfile_obj_nbytes;
// parse root version
const u64 len_root_magic = 4;
assert(file.size > len_root_magic + sizeof(u32));
u32 version_be;
memcpy(&version_be, file.mem + len_root_magic, sizeof(version_be));
memcpy(&version_be, file.mem + root_file_info.version_seek, sizeof(version_be));
u32 version = bswap_32(version_be);
u32 version_major = version / 10000;
u32 version_minor = (version - version_major * 10000) / 100;
@ -251,6 +249,27 @@ TFile_Data get_tfile_data(const Inspected_File &file)
tfile_data.root_version_major = (u16)version_major;
tfile_data.root_version_minor = (u16)version_minor;
tfile_data.root_version_patch = (u16)version_patch;
// parse compression
u32 compression_be;
memcpy(&compression_be, file.mem + root_file_info.compression_seek, sizeof(compression_be));
tfile_data.compression = bswap_32(compression_be);
// parse info
u32 info_seek_be;
u32 info_nbytes_be;
memcpy(&info_seek_be, file.mem + root_file_info.info_seek_seek, sizeof(info_seek_be));
memcpy(&info_nbytes_be, file.mem + root_file_info.info_nbytes_seek, sizeof(info_nbytes_be));
tfile_data.rng_root_file_info.start = bswap_32(info_seek_be);
tfile_data.rng_root_file_info.len = bswap_32(info_nbytes_be);
// parse free
u32 free_seek_be;
u32 free_nbytes_be;
memcpy(&free_seek_be, file.mem + root_file_info.free_seek_seek, sizeof(free_seek_be));
memcpy(&free_nbytes_be, file.mem + root_file_info.free_nbytes_seek, sizeof(free_nbytes_be));
tfile_data.rng_root_file_free.start = bswap_32(free_seek_be);
tfile_data.rng_root_file_free.len = bswap_32(free_nbytes_be);
return tfile_data;
}

View file

@ -43,6 +43,9 @@ struct TFile_Data {
u16 root_version_major;
u16 root_version_minor;
u16 root_version_patch;
u32 compression;
Byte_Range rng_root_file_info;
Byte_Range rng_root_file_free;
};
struct RNTuple_Data {

View file

@ -1075,6 +1075,14 @@ Root_File_Info get_root_file_info(const char *fname)
fileInfo.tfile_header_nbytes = RTFHeader{}.GetSize();
fileInfo.tfile_obj_seek = 100; // kBEGIN
fileInfo.tfile_obj_nbytes = sizeof(RTFFile) + fileName.GetSize() + RTFString{}.GetSize() + RTFUUID{}.GetSize();
fileInfo.version_seek = offsetof(RTFHeader, fVersion);
fileInfo.compression_seek = offsetof(RTFHeader, fInfoShort.fCompress);
fileInfo.info_seek_seek = offsetof(RTFHeader, fInfoShort.fSeekInfo);
fileInfo.info_seek_sizeof = 4; // TODO: check if big file
fileInfo.info_nbytes_seek = offsetof(RTFHeader, fInfoShort.fNbytesInfo);
fileInfo.free_seek_seek = offsetof(RTFHeader, fInfoShort.fSeekFree);
fileInfo.free_seek_sizeof = 4; // TODO: check if big file
fileInfo.free_nbytes_seek = offsetof(RTFHeader, fInfoShort.fNbytesFree);
return fileInfo;
}

View file

@ -44,6 +44,14 @@ struct Root_File_Info {
std::uint64_t tfile_header_nbytes;
std::uint64_t tfile_obj_seek;
std::uint64_t tfile_obj_nbytes;
std::uint64_t version_seek;
std::uint64_t compression_seek;
std::uint64_t info_seek_seek;
std::uint64_t info_seek_sizeof;
std::uint64_t info_nbytes_seek;
std::uint64_t free_seek_seek;
std::uint64_t free_seek_sizeof;
std::uint64_t free_nbytes_seek;
};
Root_File_Info get_root_file_info(const char *fname);