diff options
Diffstat (limited to 'tools/http2_interop/ping.go')
-rw-r--r-- | tools/http2_interop/ping.go | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/tools/http2_interop/ping.go b/tools/http2_interop/ping.go new file mode 100644 index 0000000000..6011eed451 --- /dev/null +++ b/tools/http2_interop/ping.go @@ -0,0 +1,65 @@ +package http2interop + +import ( + "fmt" + "io" +) + +type PingFrame struct { + Header FrameHeader + Data []byte +} + +const ( + PING_ACK = 0x01 +) + +func (f *PingFrame) GetHeader() *FrameHeader { + return &f.Header +} + +func (f *PingFrame) ParsePayload(r io.Reader) error { + raw := make([]byte, f.Header.Length) + if _, err := io.ReadFull(r, raw); err != nil { + return err + } + return f.UnmarshalPayload(raw) +} + +func (f *PingFrame) UnmarshalPayload(raw []byte) error { + if f.Header.Length != len(raw) { + return fmt.Errorf("Invalid Payload length %d != %d", f.Header.Length, len(raw)) + } + if f.Header.Length != 8 { + return fmt.Errorf("Invalid Payload length %d", f.Header.Length) + } + + f.Data = []byte(string(raw)) + + return nil +} + +func (f *PingFrame) MarshalPayload() ([]byte, error) { + if len(f.Data) != 8 { + return nil, fmt.Errorf("Invalid Payload length %d", len(f.Data)) + } + return []byte(string(f.Data)), nil +} + +func (f *PingFrame) MarshalBinary() ([]byte, error) { + payload, err := f.MarshalPayload() + if err != nil { + return nil, err + } + + f.Header.Length = len(payload) + f.Header.Type = PingFrameType + header, err := f.Header.MarshalBinary() + if err != nil { + return nil, err + } + + header = append(header, payload...) + + return header, nil +} |