Reset a project

utils/init_tcp.go

@@ -1,28 +0,0 @@
-package utils
-
-import (
-	"fmt"
-	"net"
-)
-
-func InitTCP(conn net.Conn, readBufferSize int, writeBufferSize int) error {
-	tcpConn := conn.(*net.TCPConn)
-
-	if err := tcpConn.SetNoDelay(true); err != nil {
-		return fmt.Errorf("cannot set TCP_NO_DELAY: %w", err)
-	}
-
-	if err := tcpConn.SetReadBuffer(readBufferSize); err != nil {
-		return fmt.Errorf("cannot set read buffer size: %w", err)
-	}
-
-	if err := tcpConn.SetWriteBuffer(writeBufferSize); err != nil {
-		return fmt.Errorf("cannot set write buffer size: %w", err)
-	}
-
-	if err := tcpConn.SetKeepAlive(true); err != nil {
-		return fmt.Errorf("cannot enable keep-alive: %w", err)
-	}
-
-	return nil
-}

utils/read_full.go

@@ -1,21 +0,0 @@
-package utils
-
-import "io"
-
-const readFullBufferSize = 1024 + 1 // +1 because telegram opreates with blocks mod 4
-
-func ReadFull(src io.Reader) (rv []byte, err error) {
-	buf := make([]byte, readFullBufferSize)
-	n := readFullBufferSize
-
-	for n == len(buf) {
-		n, err = src.Read(buf)
-		if err != nil {
-			return nil, err // nolint: wrapcheck
-		}
-
-		rv = append(rv, buf[:n]...)
-	}
-
-	return rv, nil
-}

utils/reverse_bytes.go

@@ -1,15 +0,0 @@
-package utils
-
-// ReverseBytes is a common slice reverser.
-func ReverseBytes(data []byte) []byte {
-	dataLen := len(data)
-	rv := make([]byte, dataLen)
-	rv[dataLen/2] = data[dataLen/2]
-
-	for i := dataLen/2 - 1; i >= 0; i-- {
-		opp := dataLen - i - 1
-		rv[i], rv[opp] = data[opp], data[i]
-	}
-
-	return rv
-}

utils/rlimit.go

@@ -1,24 +0,0 @@
-// +build !windows
-
-package utils
-
-import (
-	"fmt"
-
-	"golang.org/x/sys/unix"
-)
-
-func SetLimits() error {
-	rLimit := unix.Rlimit{}
-	if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit); err != nil {
-		return fmt.Errorf("cannot get rlimit: %w", err)
-	}
-
-	rLimit.Cur = rLimit.Max
-
-	if err := unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit); err != nil {
-		return fmt.Errorf("cannot set rlimit: %w", err)
-	}
-
-	return nil
-}

utils/rlimit_windows.go

@@ -1,7 +0,0 @@
-// +build windows
-
-package utils
-
-func SetLimits() error {
-	return nil
-}

utils/signal_context.go

@@ -1,25 +0,0 @@
-// +build !windows
-
-package utils
-
-import (
-	"context"
-	"os"
-	"os/signal"
-	"syscall"
-)
-
-func GetSignalContext() context.Context {
-	ctx, cancel := context.WithCancel(context.Background())
-	sigChan := make(chan os.Signal, 1)
-
-	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
-
-	go func() {
-		for range sigChan {
-			cancel()
-		}
-	}()
-
-	return ctx
-}

utils/signal_context_windows.go

@@ -1,23 +0,0 @@
-// +build windows
-
-package utils
-
-import (
-	"context"
-	"os"
-	"os/signal"
-)
-
-func GetSignalContext() context.Context {
-	ctx, cancel := context.WithCancel(context.Background())
-	sigChan := make(chan os.Signal, 1)
-
-	signal.Notify(sigChan, os.Interrupt)
-	go func() {
-		for range sigChan {
-			cancel()
-		}
-	}()
-
-	return ctx
-}

utils/stream_cipher.go

@@ -1,12 +0,0 @@
-package utils
-
-import (
-	"crypto/aes"
-	"crypto/cipher"
-)
-
-func MakeStreamCipher(key, iv []byte) cipher.Stream {
-	block, _ := aes.NewCipher(key)
-
-	return cipher.NewCTR(block, iv)
-}

utils/uint24.go

@@ -1,11 +0,0 @@
-package utils
-
-type Uint24 [3]byte
-
-func ToUint24(number uint32) Uint24 {
-	return Uint24{byte(number), byte(number >> 8), byte(number >> 16)}
-}
-
-func FromUint24(number Uint24) uint32 {
-	return uint32(number[0]) + (uint32(number[1]) << 8) + (uint32(number[2]) << 16)
-}