Add v2 network package

network/v2/init.go

@@ -0,0 +1,45 @@
+// Network contains a default implementation of the network.
+//
+// Please see [mtglib.Network] interface to get some basic idea behind this
+// abstraction.
+//
+// This implementation is more simple that v1 because life shows that all
+// this complexity, especially around circuit breakers and DoH is not really
+// required. There is no chance that if DNS address is spoofed, that real
+// IP would work as expected.
+package network
+
+import (
+	"errors"
+	"net"
+	"time"
+
+	"github.com/9seconds/mtg/v2/mtglib"
+)
+
+const (
+	// DefaultTimeout is a default timeout for establishing TCP connection.
+	DefaultTimeout = 10 * time.Second
+
+	// DefaultHTTPTimeout defines a default timeout for making HTTP request.
+	DefaultHTTPTimeout = 10 * time.Second
+
+	// DefaultIdleTimeout defines a timeout for idle HTTP connections
+	DefaultIdleTimeout = time.Minute
+
+	// DefaultTCPKeepAlivePeriod defines a time period between 2 consecuitive
+	// probes.
+	DefaultTCPKeepAlivePeriod = 10 * time.Second
+
+	// tcpLingerTimeout defines a number of seconds to wait for sending
+	// unacknowledged data.
+	tcpLingerTimeout = 1
+)
+
+var ErrCannotDial = errors.New("cannot dial to any address")
+
+type Network interface {
+	mtglib.Network
+
+	NativeDialer() *net.Dialer
+}