2018-04-03 16:34:59 -04:00
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// Package session provides functions for sessions of incoming requests.
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package session // import "v2ray.com/core/common/session"
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2018-02-22 09:26:00 -05:00
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import (
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"context"
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"math/rand"
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2018-06-24 19:09:02 -04:00
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"v2ray.com/core/common/errors"
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2018-09-18 17:09:54 -04:00
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"v2ray.com/core/common/net"
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2018-10-15 02:36:50 -04:00
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"v2ray.com/core/common/protocol"
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2018-02-22 09:26:00 -05:00
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)
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2018-04-03 16:34:59 -04:00
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// ID of a session.
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2018-02-22 09:26:00 -05:00
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type ID uint32
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2018-04-03 16:34:59 -04:00
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// NewID generates a new ID. The generated ID is high likely to be unique, but not cryptographically secure.
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// The generated ID will never be 0.
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2018-02-22 09:26:00 -05:00
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func NewID() ID {
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for {
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id := ID(rand.Uint32())
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if id != 0 {
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return id
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}
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}
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}
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2018-10-15 02:51:24 -04:00
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// ExportIDToError transfers session.ID into an error object, for logging purpose.
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// This can be used with error.WriteToLog().
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2018-06-24 19:09:02 -04:00
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func ExportIDToError(ctx context.Context) errors.ExportOption {
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id := IDFromContext(ctx)
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return func(h *errors.ExportOptionHolder) {
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h.SessionID = uint32(id)
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}
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}
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2018-09-18 17:09:54 -04:00
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2018-10-15 02:51:24 -04:00
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// Inbound is the metadata of an inbound connection.
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2018-09-18 17:09:54 -04:00
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type Inbound struct {
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2018-10-15 02:51:24 -04:00
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// Source address of the inbound connection.
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Source net.Destination
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// Getaway address
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2018-09-18 17:09:54 -04:00
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Gateway net.Destination
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2018-10-15 02:51:24 -04:00
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// Tag of the inbound proxy that handles the connection.
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Tag string
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2018-10-15 02:36:50 -04:00
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// User is the user that authencates for the inbound. May be nil if the protocol allows anounymous traffic.
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User *protocol.MemoryUser
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2018-09-18 17:09:54 -04:00
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}
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2018-10-15 02:51:24 -04:00
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// Outbound is the metadata of an outbound connection.
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2018-09-18 17:09:54 -04:00
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type Outbound struct {
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2018-10-15 02:51:24 -04:00
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// Target address of the outbound connection.
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Target net.Destination
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// Gateway address
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Gateway net.Address
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// ResolvedIPs is the resolved IP addresses, if the Targe is a domain address.
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2018-09-18 17:09:54 -04:00
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ResolvedIPs []net.IP
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}
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