Frontier::RPC2(3pm) User Contributed Perl Documentation Frontier::RPC2(3pm) NAME Frontier::RPC2 - encode/decode RPC2 format XML SYNOPSIS use Frontier::RPC2; $coder = Frontier::RPC2->new; $xml_string = $coder->encode_call($method, @args); $xml_string = $coder->encode_response($result); $xml_string = $coder->encode_fault($code, $message); $call = $coder->decode($xml_string); $response_xml = $coder->serve($request_xml, $methods); $boolean_object = $coder->boolean($boolean); $date_time_object = $coder->date_time($date_time); $base64_object = $coder->base64($base64); $int_object = $coder->int(42); $float_object = $coder->float(3.14159); $string_object = $coder->string("Foo"); DESCRIPTION Frontier::RPC2 encodes and decodes XML RPC calls. $coder = Frontier::RPC2->new( OPTIONS ) Create a new encoder/decoder. The following option is supported: encoding The XML encoding to be specified in the XML declaration of encoded RPC requests or responses. Decoded results may have a different encoding specified; XML::Parser will convert decoded data to UTF-8. The default encoding is none, which uses XML 1.0's default of UTF-8. For example: $server = Frontier::RPC2->new( 'encoding' => 'ISO-8859-1' ); use_objects If set to a non-zero value will convert incoming <i4>, <float>, and <string> values to objects instead of scalars. See int(), float(), and string() below for more details. $xml_string = $coder->encode_call($method, @args) `"encode_call"' converts a method name and it's arguments into an RPC2 `"methodCall"' element, returning the XML fragment. $xml_string = $coder->encode_response($result) `"encode_response"' converts the return value of a procedure into an RPC2 `"methodResponse"' element containing the result, returning the XML fragment. $xml_string = $coder->encode_fault($code, $message) `"encode_fault"' converts a fault code and message into an RPC2 `"methodResponse"' element containing a `"fault"' element, returning the XML fragment. $call = $coder->decode($xml_string) `"decode"' converts an XML string containing an RPC2 `"methodCall"' or `"methodResponse"' element into a hash containing three members, `"type"', `"value"', and `"method_name"'. `"type"' is one of `"call"', `"response"', or `"fault"'. `"value"' is array containing the parameters or result of the RPC. For a `"call"' type, `"value"' contains call's parameters and `"method_name"' contains the method being called. For a `"response"' type, the `"value"' array contains call's result. For a `"fault"' type, the `"value"' array contains a hash with the two members `"faultCode"' and `"faultMessage"'. $response_xml = $coder->serve($request_xml, $methods) `"serve"' decodes `$request_xml', looks up the called method name in the `$methods' hash and calls it, and then encodes and returns the response as XML. $boolean_object = $coder->boolean($boolean); $date_time_object = $coder->date_time($date_time); $base64_object = $coder->base64($base64); These methods create and return XML-RPC-specific datatypes that can be passed to the encoder. The decoder may also return these datatypes. The corresponding package names (for use with `"ref()"', for example) are `"Frontier::RPC2::Boolean"', `"Frontier::RPC2::DateTime::ISO8601"', and `"Frontier::RPC2::Base64"'. You can change and retrieve the value of boolean, date/time, and base64 data using the `"value"' method of those objects, i.e.: $boolean = $boolean_object->value; $boolean_object->value(1); Note: `"base64()"' does not encode or decode base64 data for you, you must use MIME::Base64 or similar module for that. $int_object = $coder->int(42); $float_object = $coder->float(3.14159); $string_object = $coder->string("Foo"); By default, you may pass ordinary Perl values (scalars) to be encoded. RPC2 automatically converts them to XML-RPC types if they look like an integer, float, or as a string. This assumption causes problems when you want to pass a string that looks like "0096", RPC2 will convert that to an <i4> because it looks like an integer. With these methods, you could now create a string object like this: $part_num = $coder->string("0096"); and be confident that it will be passed as an XML-RPC string. You can change and retrieve values from objects using value() as described above. SEE ALSO perl(1), Frontier::Daemon(3), Frontier::Client(3) <http://www.scripting.com/frontier5/xml/code/rpc.html> AUTHOR Ken MacLeod <ken AT bitsko.us> perl v5.32.0 2021-01-03 Frontier::RPC2(3pm)
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