mgw/MGCP_Types.ttcn

module MGCP_Types {
	import from SDP_Types all;

	type charstring MgcpVerb ("EPCF", "CRCX", "MDCX", "DLCX", "RQNT", "NTFY",
				  "AUEP", "AUCX", "RSIP") with {
		variant "TEXT_CODING(,convert=upper_case,,case_insensitive)"
	};
	type charstring MgcpTransId 	(pattern "\d#(1,9)");
	type charstring MgcpEndpoint	(pattern "*@*");
	/* 3.2.2.5 */
	type hexstring MgcpConnectionId length(32);
	type charstring MgcpResponseCode (pattern "\d#(3)");

	type charstring MgcpInfoCode ("B", "C", "I", "N", "X", "L", "M", "R",
				      "S", "D", "O", "P", "E", "Z", "Q", "T",
				      "RC", "LC", "A", "ES", "RM", "RD", "PL",
				      "MD", "X-Osmo-CP") with {
		variant "TEXT_CODING(,convert=upper_case,'([BCINXLMRSDOPEZQTA])|(RC)|(LC)|(ES)|(RM)|(RD)|(PL)|(MD)|(X-Osmo-CP)',case_insensitive)"
	};

	type charstring MgcpVersion (pattern "\d.\d") with {
		variant "BEGIN('MGCP ')"
	}

	type record MgcpCommandLine {
		MgcpVerb	verb,
		MgcpTransId	trans_id,
		MgcpEndpoint	ep,
		MgcpVersion	ver
	} with {
		variant "SEPARATOR(' ', '[\t ]+')"
		//variant "END('\r\n', '(\n)|(\r\n)')"
		variant "END('\r\n', '([\r\n])|(\r\n)')"
	}

	external function enc_MgcpCommandLine(in MgcpCommandLine id) return charstring
		with { extension "prototype(convert) encode(TEXT)" };
	external function dec_MgcpCommandLine(in charstring  id) return MgcpCommandLine
		with { extension "prototype(convert) decode(TEXT)" };

	type record MgcpParameter {
		MgcpInfoCode	code,
		charstring	val optional
	} with {
		variant "BEGIN('')"
		variant "SEPARATOR(': ', ':[\t ]+')"
		//variant "END('\r\n', '(\n)|(\r\n)')"
		variant "END('\r\n', '([\r\n])|(\r\n)')"
	}

	external function enc_MgcpParameter(in MgcpParameter id) return charstring
		with { extension "prototype(convert) encode(TEXT)" };
	external function dec_MgcpParameter(in charstring  id) return MgcpParameter
		with { extension "prototype(convert) decode(TEXT)" };

	type record of MgcpParameter MgcpParameterList with {
		variant "BEGIN('')"
	};

	external function enc_MgcpParameterList(in MgcpParameterList id) return charstring
		with { extension "prototype(convert) encode(TEXT)" };
	external function dec_MgcpParameterList(in charstring  id) return MgcpParameterList
		with { extension "prototype(convert) decode(TEXT)" };

	type record MgcpCommand {
		MgcpCommandLine		line,
		MgcpParameterList 	params optional,
		Sdp			sdp optional
	} with {
		variant "BEGIN('')"
		variant (sdp) "BEGIN('\r\n','([\r\n])|(\r\n)')"
	}

	external function enc_MgcpCommand(in MgcpCommand id) return charstring
		with { extension "prototype(convert) encode(TEXT)" };
	external function dec_MgcpCommand(in charstring  id) return MgcpCommand
		with { extension "prototype(convert) decode(TEXT)" };

	type record MgcpResponseLine {
		MgcpResponseCode	code,
		MgcpTransId		trans_id,
		charstring		string optional
	} with {
		variant "SEPARATOR(' ', '[\t ]+')"
		//variant "END('\r\n', '(\n)|(\r\n)')"
		variant "END('\r\n', '([\r\n])|(\r\n)')"
	}

	type record MgcpResponse {
		MgcpResponseLine	line,
		MgcpParameterList	params optional,
		Sdp			sdp optional
	} with {
		variant "BEGIN('')"
		variant (sdp) "BEGIN('\r\n','([\r\n])|(\r\n)')"
	}

	external function enc_MgcpResponse(in MgcpResponse id) return charstring
		with { extension "prototype(convert) encode(TEXT)" };
	external function dec_MgcpResponse(in charstring  id) return MgcpResponse
		with { extension "prototype(convert) decode(TEXT)" };


} with { encode "TEXT" }