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This commit is contained in:
Joel Wetzell
2024-12-19 21:48:46 -06:00
parent a6cfd3db86
commit ea184a936d
22 changed files with 29 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files
constants.go
+5 -3
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@@ -1,5 +1,7 @@
package psn package psn
var PACKET_HEADER_SIZE = 16 const (
var MAX_UDP_PACKET_SIZE = 1500 PACKET_HEADER_SIZE = 16
var CHUNK_HEADER_SIZE = 4 MAX_UDP_PACKET_SIZE = 1500
CHUNK_HEADER_SIZE = 4
)
encoder.go
-1
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@@ -59,7 +59,6 @@ func (e *Encoder) GetInfoPackets(timestamp uint64, trackers []Tracker) [][]byte
} }
func (e *Encoder) GetDataPackets(timestamp uint64, trackers []Tracker) [][]byte { func (e *Encoder) GetDataPackets(timestamp uint64, trackers []Tracker) [][]byte {
trackerChunks := [][]byte{} trackerChunks := [][]byte{}
for _, tracker := range trackers { for _, tracker := range trackers {
examples/benchmark/main.go
-2
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@@ -25,7 +25,6 @@ func getNTrackers(n int) []psn.Tracker {
} }
func main() { func main() {
testSizes := []int{1, 10, 100, 1000} testSizes := []int{1, 10, 100, 1000}
encoder := psn.Encoder{ encoder := psn.Encoder{
SystemName: "test encoder", SystemName: "test encoder",
@@ -39,7 +38,6 @@ func main() {
benchmark(trackerCount, iterations, encoder, *decoder) benchmark(trackerCount, iterations, encoder, *decoder)
} }
} }
} }
type BenchmarkResults struct { type BenchmarkResults struct {
examples/decode/main.go
+8 -4
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@@ -10,13 +10,17 @@ import (
func main() { func main() {
decoder := psn.NewDecoder() decoder := psn.NewDecoder()
infoPacketBytes := []byte{0x56, 0x67, 0x34, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01, infoPacketBytes := []byte{
0x56, 0x67, 0x34, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11, 0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11,
0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31} 0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31,
}
dataPacketBytes := []byte{0x55, 0x67, 0x28, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01, dataPacketBytes := []byte{
0x55, 0x67, 0x28, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, 0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f} 0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f,
}
decoder.Decode(infoPacketBytes) decoder.Decode(infoPacketBytes)
decoder.Decode(dataPacketBytes) decoder.Decode(dataPacketBytes)
examples/encode/main.go
-2
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@@ -7,7 +7,6 @@ import (
) )
func main() { func main() {
encoder := psn.Encoder{ encoder := psn.Encoder{
SystemName: "Server Name", SystemName: "Server Name",
VersionHigh: 2, VersionHigh: 2,
@@ -41,5 +40,4 @@ func main() {
fmt.Printf("%v\n", infoPacket) fmt.Printf("%v\n", infoPacket)
} }
} }
examples/psn_client/main.go
-2
View File
@@ -16,7 +16,6 @@ func main() {
} }
client, err := net.ListenMulticastUDP("udp", nil, addr) client, err := net.ListenMulticastUDP("udp", nil, addr)
if err != nil { if err != nil {
fmt.Printf("Error %v\n", err) fmt.Printf("Error %v\n", err)
return return
@@ -31,7 +30,6 @@ func main() {
buffer := make([]byte, 2048) buffer := make([]byte, 2048)
length, _, err := client.ReadFromUDP(buffer) length, _, err := client.ReadFromUDP(buffer)
if err != nil { if err != nil {
fmt.Printf("Error %v", err) fmt.Printf("Error %v", err)
} }
examples/psn_server/main.go
-2
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@@ -11,7 +11,6 @@ import (
func main() { func main() {
client, err := net.Dial("udp", "236.10.10.10:56565") client, err := net.Dial("udp", "236.10.10.10:56565")
if err != nil { if err != nil {
fmt.Printf("Error %v\n", err) fmt.Printf("Error %v\n", err)
return return
@@ -81,5 +80,4 @@ func main() {
} }
} }
} }
internal/decoders/chunk.go
-1
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@@ -39,5 +39,4 @@ func DecodeChunk(bytes []byte) Chunk {
Header: header, Header: header,
ChunkData: chunk_data, ChunkData: chunk_data,
} }
} }
internal/decoders/chunk_test.go
+16 -9
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@@ -7,7 +7,6 @@ import (
) )
func TestChunkDecoding(t *testing.T) { func TestChunkDecoding(t *testing.T) {
testCases := []struct { testCases := []struct {
description string description string
bytes []byte bytes []byte
@@ -15,34 +14,42 @@ func TestChunkDecoding(t *testing.T) {
}{ }{
{ {
description: "info packet", description: "info packet",
bytes: []byte{0x56, 0x67, 0x34, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01, bytes: []byte{
0x56, 0x67, 0x34, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11, 0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11,
0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31}, 0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31,
},
expected: Chunk{ expected: Chunk{
Header: ChunkHeader{ Header: ChunkHeader{
Id: uint16(26454), Id: uint16(26454),
DataLen: uint16(52), DataLen: uint16(52),
HasSubchunks: true, HasSubchunks: true,
}, },
ChunkData: []byte{0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01, ChunkData: []byte{
0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11, 0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11,
0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31}, 0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31,
},
}, },
}, },
{ {
description: "data packet", description: "data packet",
bytes: []byte{0x55, 0x67, 0x28, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01, bytes: []byte{
0x55, 0x67, 0x28, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, 0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f}, 0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f,
},
expected: Chunk{ expected: Chunk{
Header: ChunkHeader{ Header: ChunkHeader{
Id: uint16(26453), Id: uint16(26453),
DataLen: uint16(40), DataLen: uint16(40),
HasSubchunks: true, HasSubchunks: true,
}, },
ChunkData: []byte{0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01, ChunkData: []byte{
0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, 0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f}, 0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f,
},
}, },
}, },
} }
internal/decoders/data_packet_chunk.go
-1
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@@ -23,7 +23,6 @@ func DecodeDataPacketChunk(bytes []byte) DataPacketChunk {
offset := 0 offset := 0
for offset < int(chunk.Header.DataLen) { for offset < int(chunk.Header.DataLen) {
switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id { switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id {
case 0: case 0:
packet_header := DecodePacketHeaderChunk(chunk.ChunkData[offset:]) packet_header := DecodePacketHeaderChunk(chunk.ChunkData[offset:])
internal/decoders/data_tracker_chunk.go
-1
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@@ -28,7 +28,6 @@ func DecodeDataTrackerChunk(bytes []byte) DataTrackerChunk {
offset := 0 offset := 0
for offset < int(chunk.Header.DataLen) { for offset < int(chunk.Header.DataLen) {
switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id { switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id {
case 0: case 0:
pos := DecodeDataTrackerXYZChunk(chunk.ChunkData[offset:]) pos := DecodeDataTrackerXYZChunk(chunk.ChunkData[offset:])
internal/decoders/data_tracker_list_chunk.go
-1
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@@ -32,5 +32,4 @@ func DecodeDataTrackerListChunk(bytes []byte) DataTrackerListChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/decoders/data_tracker_status_chunk.go
-1
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@@ -27,5 +27,4 @@ func DecodeDataTrackerStatusChunk(bytes []byte) DataTrackerStatusChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/decoders/data_tracker_timestamp_chunk.go
-1
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@@ -26,5 +26,4 @@ func DecodeDataTrackerTimestampChunk(bytes []byte) DataTrackerTimestampChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/decoders/data_tracker_xyz_chunk.go
-1
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@@ -33,5 +33,4 @@ func DecodeDataTrackerXYZChunk(bytes []byte) DataTrackerXYZChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/decoders/info_packet_chunk.go
-1
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@@ -24,7 +24,6 @@ func DecodeInfoPacketChunk(bytes []byte) InfoPacketChunk {
offset := 0 offset := 0
for offset < int(chunk.Header.DataLen) { for offset < int(chunk.Header.DataLen) {
switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id { switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id {
case 0: case 0:
packet_header := DecodePacketHeaderChunk(chunk.ChunkData[offset:]) packet_header := DecodePacketHeaderChunk(chunk.ChunkData[offset:])
internal/decoders/info_system_name_chunk.go
-1
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@@ -21,5 +21,4 @@ func DecodeInfoSystemNameChunk(bytes []byte) InfoSystemNameChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/decoders/info_tracker_chunk.go
-1
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@@ -22,7 +22,6 @@ func DecodeInfoTrackerChunk(bytes []byte) InfoTrackerChunk {
offset := 0 offset := 0
for offset < int(chunk.Header.DataLen) { for offset < int(chunk.Header.DataLen) {
switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id { switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id {
case 0: case 0:
tracker_name := DecodeInfoTrackerNameChunk(chunk.ChunkData[offset:]) tracker_name := DecodeInfoTrackerNameChunk(chunk.ChunkData[offset:])
internal/decoders/info_tracker_list_chunk.go
-1
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@@ -33,5 +33,4 @@ func DecodeInfoTrackerListChunk(bytes []byte) InfoTrackerListChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/decoders/info_tracker_name_chunk.go
-1
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@@ -22,5 +22,4 @@ func DecodeInfoTrackerNameChunk(bytes []byte) InfoTrackerNameChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/decoders/packet_header_chunk.go
-1
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@@ -36,5 +36,4 @@ func DecodePacketHeaderChunk(bytes []byte) PacketHeaderChunk {
Chunk: chunk, Chunk: chunk,
Data: data, Data: data,
} }
} }
internal/encoders/chunk.go
-1
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@@ -3,7 +3,6 @@ package encoders
import "encoding/binary" import "encoding/binary"
func EncodeChunk(id uint16, chunkData []byte, hasSubchunks bool) []byte { func EncodeChunk(id uint16, chunkData []byte, hasSubchunks bool) []byte {
header := []byte{} header := []byte{}
header = binary.LittleEndian.AppendUint16(header, id) header = binary.LittleEndian.AppendUint16(header, id)