108 lines
2.8 KiB
Crystal
108 lines
2.8 KiB
Crystal
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@[Link("ipc")]
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lib LibIPC
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struct Connection
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version : LibC::UInt
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index : LibC::UInt
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fd : LibC::Int
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type : UInt8
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spath : LibC::Char* # [4096] # [PATH_MAX]
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end
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struct Connections
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cinfos : Connection**
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size : LibC::Int
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end
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struct Switching
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origin : LibC::Int
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dest : LibC::Int
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end
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struct Switchings
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collection : Switching*
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size : LibC::UInt
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end
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enum MessageType
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ServerClose
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Error
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Data
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LookUp
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end
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struct Message
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type : UInt8
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user_type : UInt8
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length : LibC::UInt
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payload : LibC::Char*
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end
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enum EventType
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NotSet
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Error
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ExtraSocket
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Switch
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Connection
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Disconnection
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Message
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LookUp
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Timer
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end
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struct Event
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type : EventType
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origin : Connection*
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message : Message*
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end
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struct IPCError
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# This is the size of an enumeration in C.
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error_code : UInt32
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error_message : LibC::Char[8192]
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end
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fun ipc_server_init(env : LibC::Char**, connection : Connection*, sname : LibC::Char*) : IPCError
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fun ipc_server_close(Connection*) : IPCError
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fun ipc_close(Connection*) : IPCError
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# connection to a service
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fun ipc_connection(LibC::Char**, Connection*, LibC::Char*) : IPCError
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fun ipc_read(Connection*, Message*) : IPCError
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fun ipc_write(Connection*, Message*) : IPCError
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fun ipc_wait_event(Connections*, Connection*, Event*, LibC::Long*) : IPCError
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fun ipc_add(Connections*, Connection*) : IPCError
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fun ipc_del(Connections*, Connection*) : IPCError
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fun ipc_add_fd(Connections*, LibC::Int) : IPCError
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fun ipc_del_fd(Connections*, LibC::Int) : IPCError
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fun ipc_connection_gen(Connection*, LibC::UInt, LibC::UInt) : IPCError
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fun ipc_connections_free(Connections*) # Void
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fun ipc_connections_close(Connections*) # Void
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# This function let the user get the default error message based on the error code.
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# The error message is contained in the IPCError structure, this function should not be used, in most cases.
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fun ipc_errors_get (LibC::Int) : LibC::Char*
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# networkd-related functions
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fun ipc_wait_event_networkd(Connections*, Connection*, Event*, Switchings*, LibC::Long*) : IPCError
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fun ipc_receive_fd (sock : LibC::Int, fd : LibC::Int*) : IPCError
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fun ipc_provide_fd (sock : LibC::Int, fd : LibC::Int ) : IPCError
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fun ipc_switching_add (switch : Switchings*, fd1 : LibC::Int, fd2 : LibC::Int) # Void
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fun ipc_switching_del (switch : Switchings*, fd : LibC::Int ) : LibC::Int
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fun ipc_switching_get (switch : Switchings*, fd : LibC::Int ) : LibC::Int
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fun ipc_switching_free (switch : Switchings* ) # Void
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# non public functions (for testing purposes)
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fun ipc_switching_print (switch : Switchings*) # Void
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fun service_path (path : LibC::Char*, sname : LibC::Char*, index : Int32, version : Int32) : IPCError
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fun ipc_connections_print (Connections*) # Void
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end
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