| | |
| | | "basic.com/valib/deliver.git" |
| | | "context" |
| | | "errors" |
| | | "github.com/pierrec/lz4" |
| | | // "github.com/pierrec/lz4" |
| | | "taskpubsub/logger" |
| | | ) |
| | | |
| | |
| | | |
| | | // UnCompress uncompress |
| | | func UnCompress(in []byte) ([]byte, error) { |
| | | out := make([]byte, 10*len(in)) |
| | | n, err := lz4.UncompressBlock(in, out) |
| | | if err != nil { |
| | | logger.Error("uncompress error: ", err) |
| | | return nil, err |
| | | } |
| | | out = out[:n] // uncompressed data |
| | | return out, nil |
| | | return in, nil |
| | | |
| | | // out := make([]byte, 3*len(in)) |
| | | // n, err := lz4.UncompressBlock(in, out) |
| | | // if err != nil { |
| | | // logger.Error("uncompress error: ", err) |
| | | // return nil, err |
| | | // } |
| | | // out = out[:n] // uncompressed data |
| | | // return out, nil |
| | | } |
| | | |
| | | // Compress compress |
| | | func Compress(in []byte) ([]byte, error) { |
| | | out := make([]byte, len(in)) |
| | | ht := make([]int, 64<<10) // buffer for the compression table |
| | | n, err := lz4.CompressBlock(in, out, ht) |
| | | if err != nil { |
| | | logger.Error("compress: ", err) |
| | | return nil, err |
| | | } |
| | | if n >= len(in) { |
| | | logger.Error("image is not compressible") |
| | | } |
| | | out = out[:n] // compressed data |
| | | return out, nil |
| | | return in, nil |
| | | |
| | | // out := make([]byte, len(in)) |
| | | // ht := make([]int, 64<<10) // buffer for the compression table |
| | | // n, err := lz4.CompressBlock(in, out, ht) |
| | | // if err != nil { |
| | | // logger.Error("compress: ", err) |
| | | // return nil, err |
| | | // } |
| | | // if n >= len(in) { |
| | | // logger.Error("image is not compressible") |
| | | // } |
| | | // out = out[:n] // compressed data |
| | | // return out, nil |
| | | } |
| | | |
| | | // create server |
| | | func NewSocketListen(mode int, url string) (socket SocketContext, err error) { |
| | | func NewSocketListen(mode int, url string, shm bool) (socket SocketContext, err error) { |
| | | logger.Info("url is: ", url) |
| | | ctx, cancel := context.WithCancel(context.Background()) |
| | | |
| | | socket.Context = ctx |
| | | socket.Cancel = cancel |
| | | socket.Sock = deliver.NewServer(deliver.Mode(mode), url) |
| | | |
| | | if shm{ |
| | | socket.Sock = deliver.NewServer(deliver.Mode(mode), url) |
| | | }else{ |
| | | socket.Sock = deliver.NewServer(deliver.Mode(mode), url) |
| | | } |
| | | |
| | | if socket.Sock == nil { |
| | | return socket, errors.New("create listen error") |