mirror of
https://gitlab.isc.org/isc-projects/kea
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58 lines
1.1 KiB
Plaintext
58 lines
1.1 KiB
Plaintext
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@startuml
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title DHCP server main loop
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skinparam linetype ortho
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rectangle "Main Loop" {
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agent "Wait for next event" as run
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rectangle "Event Loop" as run_one {
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together {
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agent "Signal" as signal
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agent "Handle Signal" as handleSignal
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}
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together {
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agent "External Socket" as external_socket
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agent "Handle External Socket" as handleExternalSocket
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}
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together {
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agent "DHCP Query" as query
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agent "Process Query" as processQuery
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}
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agent "Timeout" as timeout
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}
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together {
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agent "I/O Service" as poll
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agent "Execute ready handler" as ready
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}
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agent "Check Shutdown" as shutdown
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}
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run --> run_one : get next event
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run_one --> signal
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signal -right-> handleSignal : got signal
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handleSignal --> poll
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signal -[dashed]-> external_socket
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external_socket -right-> handleExternalSocket : external socket ready
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handleExternalSocket --> poll
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external_socket -[dashed]-> query
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query -right-> processQuery : DHCP socket ready
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processQuery --> poll
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query -[dashed]-> timeout
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timeout --> poll : timeout expired
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poll -> ready : handler ready
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poll ---> shutdown : no ready handler
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ready -> ready : execute ready handler
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shutdown -u-> run
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@enduml
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