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62 lines
2.0 KiB
62 lines
2.0 KiB
// Global Settings. You can change these at startup to fine tune
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// certain behaviors.
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package gosip
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import (
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"os"
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"time"
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)
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var (
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// how often to check for shutdowns
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DeathClock = 200 * time.Millisecond
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// sip egress msg length must not exceed me. if you are brave and
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// use jumbo frames you can increase this
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MTU = 1450
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// maximum number SRV/Redirects/Etc. to entertain. more
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// accurately, this is the maximum number of time's we're allowed
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// to enter the "calling" state.
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MaxAttempts = 10
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// this is how long to wait (in nanoseconds) for a 100 trying
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// response before retransmitting the invite. multiply this by
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// RetransmitAttempts and that's how long it'll be before we try
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// another server. that might seem like a very long time but
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// happy networks facilitate fast failover by sending hard errors
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// (ICMP, 480, 500-599)
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TryingTimeout = 500 * time.Millisecond
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// how many times to attempt to retransmit before moving on
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RetransmitAttempts = 2
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// number of nanoseconds (across all attempts) before we give up
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// trying to connect a call. this doesn't mean the call has to
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// have been answered but rather has moved beyond the "calling"
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// state and doesn't go back.
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GiveupTimeout = 3 * time.Second
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// ToDo: how long to wait before refreshing a call with a
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// re-INVITE message.
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RefreshTimeout = 15 * time.Minute
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// how many times are proxies allowed to forward a message
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MaxForwards int = 70
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// aprox. how long the transaction engine remembers old Call-IDs
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// to prevent a retransmit from accidentally opening a new dialog.
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CallIDBanDuration = 35 * time.Second
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// aprox. how often to sweep old transactions from ban list
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CallIDBanSweepDuration = 5 * time.Second
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// should the transport layer add timestamps to Via headers
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// (µsi/µse = utc microseconds since unix epoch ingress/egress)
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ViaTimestampTagging = true
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// use this feature to print out raw sip messages the moment they
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// are sent/received by the transport layer
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TransportTrace = (os.Getenv("TPORT_LOG") == "true")
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)
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