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Code Issues Releases Activity

Add debug print

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This commit is contained in:
Romein van Buren
2025-06-11 22:32:46 +02:00
parent 91e5db912d
commit c5478ea6d0
2 changed files with 8 additions and 6 deletions
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10
fmp/fmp_chunk.go
View File

@ -128,16 +128,16 @@ func (ctx *FmpFile) readChunk(payload []byte) (*FmpChunk, error) {
length := payload[4] length := payload[4]
return &FmpChunk{ return &FmpChunk{
Type: FMP_CHUNK_LONG_KEY_VALUE, Type: FMP_CHUNK_LONG_KEY_VALUE,
Key: parseVarUint32(payload[1 : 1+3]), // todo, won't work? Key: parseVarUint32(payload[1 : 1+3]),
Value: payload[5 : 5+length], Value: payload[5 : 5+length],
Length: 5 + uint32(length), Length: 5 + uint32(length),
}, nil }, nil
} }
if payload[0] == 0x17 { if payload[0] == 0x17 {
length := parseVarUint32(payload[1 : 1+3]) // todo, won't work? length := uint32(binary.BigEndian.Uint16(payload[4 : 4+2]))
return &FmpChunk{ return &FmpChunk{
Type: FMP_CHUNK_LONG_KEY_VALUE, Type: FMP_CHUNK_LONG_KEY_VALUE,
Key: uint32(binary.BigEndian.Uint16(payload[4 : 4+2])), Key: uint32(binary.BigEndian.Uint16(payload[1 : 1+2])),
Value: payload[6 : 6+length], Value: payload[6 : 6+length],
Length: 6 + uint32(length), Length: 6 + uint32(length),
}, nil }, nil
@ -175,12 +175,12 @@ func (ctx *FmpFile) readChunk(payload []byte) (*FmpChunk, error) {
}, nil }, nil
} }
if payload[0] == 0x0F { if payload[0] == 0x0F {
length := binary.BigEndian.Uint16(payload[3 : 3+2]) length := uint32(binary.BigEndian.Uint16(payload[3 : 3+2]))
return &FmpChunk{ return &FmpChunk{
Type: FMP_CHUNK_SEGMENTED_DATA, Type: FMP_CHUNK_SEGMENTED_DATA,
Index: uint32(binary.BigEndian.Uint16(payload[1 : 1+2])), Index: uint32(binary.BigEndian.Uint16(payload[1 : 1+2])),
Value: payload[5 : 5+length], Value: payload[5 : 5+length],
Length: 5 + uint32(length), Length: 5 + length,
}, nil }, nil
} }

4
fmp/fmp_file.go
View File

@ -3,6 +3,7 @@ package fmp
import ( import (
"bytes" "bytes"
"encoding/binary" "encoding/binary"
"encoding/hex"
"io" "io"
"os" "os"
"time" "time"
@ -57,6 +58,7 @@ func OpenFile(path string) (*FmpFile, error) {
ctx.Sectors = make([]*FmpSector, ctx.NumSectors) ctx.Sectors = make([]*FmpSector, ctx.NumSectors)
for i := uint(0); i < ctx.NumSectors; i++ { for i := uint(0); i < ctx.NumSectors; i++ {
println("reading sector ", i)
sector, err := ctx.readSector() sector, err := ctx.readSector()
if err != nil { if err != nil {
return nil, err return nil, err
@ -120,6 +122,7 @@ func (ctx *FmpFile) readSector() (*FmpSector, error) {
sector.Chunks = make([]*FmpChunk, 0) sector.Chunks = make([]*FmpChunk, 0)
for { for {
println(hex.EncodeToString(payload[0:2]))
chunk, err := ctx.readChunk(payload) chunk, err := ctx.readChunk(payload)
if err == io.EOF { if err == io.EOF {
break break
@ -134,7 +137,6 @@ func (ctx *FmpFile) readSector() (*FmpSector, error) {
if chunk.Length == 0 { if chunk.Length == 0 {
panic("chunk length not set") panic("chunk length not set")
} }
print(chunk.String() + "\n")
payload = payload[chunk.Length:] payload = payload[chunk.Length:]
} }