74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
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package sam3
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import (
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"fmt"
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"net"
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"strconv"
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)
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// sam config
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// options map
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type Options map[string]string
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// obtain sam options as list of strings
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func (opts Options) AsList() (ls []string) {
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for k, v := range opts {
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ls = append(ls, fmt.Sprintf("%s=%s", k, v))
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}
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return
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}
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// Config is the config type for the sam connector api for i2p which allows applications to 'speak' with i2p
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type Config struct {
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Addr string
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Opts Options
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Session string
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Keyfile string
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}
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// create new sam connector from config with a stream session
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func (cfg *Config) StreamSession() (session *StreamSession, err error) {
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// connect
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var s *SAM
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s, err = NewSAM(cfg.Addr)
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if err == nil {
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// ensure keys exist
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var keys I2PKeys
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keys, err = s.EnsureKeyfile(cfg.Keyfile)
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if err == nil {
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// create session
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session, err = s.NewStreamSession(cfg.Session, keys, cfg.Opts.AsList())
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}
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}
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return
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}
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// create new sam datagram session from config
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func (cfg *Config) DatagramSession() (session *DatagramSession, err error) {
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// connect
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var s *SAM
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s, err = NewSAM(cfg.Addr)
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if err == nil {
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// ensure keys exist
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var keys I2PKeys
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keys, err = s.EnsureKeyfile(cfg.Keyfile)
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if err == nil {
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// determine udp port
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var portstr string
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_, portstr, err = net.SplitHostPort(cfg.Addr)
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if err == nil {
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var port int
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port, err = strconv.Atoi(portstr)
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if err == nil && port > 0 {
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// udp port is 1 lower
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port --
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// create session
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session, err = s.NewDatagramSession(cfg.Session, keys, cfg.Opts.AsList(), port)
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}
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}
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}
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}
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return
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}
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