bool SendHeartbeat (bool bWithStash) { LOGDEBUG (TEXT ("Sending heartbeat message")); FudgeStatus status; FudgeMsg msg; if ((status = FudgeMsg_create (&msg)) != FUDGE_OK) { LOGFATAL (TEXT ("Couldn't create message, status ") << status); assert (0); return false; } if ((status = ConnectorMessage_setOperation (msg, HEARTBEAT)) != FUDGE_OK) { FudgeMsg_release (msg); LOGFATAL (TEXT ("Couldn't create message, status ") << status); assert (0); return false; } if (bWithStash) { m_oStashMutex.Enter (); if (m_msgStash) { if ((status = ConnectorMessage_setStash (msg, m_msgStash)) != FUDGE_OK) { LOGFATAL (TEXT ("Couldn't create message, status ") << status); assert (0); status = FUDGE_OK; // Not good, but can carry on } } m_oStashMutex.Leave (); } bool bResult = m_poService->Send (MESSAGE_DIRECTIVES_CLIENT, msg); FudgeMsg_release (msg); return bResult; }
FudgeStatus FudgeCodec_decodeFieldFudgeMsg ( const fudge_byte * bytes, const fudge_i32 width, FudgeFieldData * data ) { FudgeMsg submessage; FudgeStatus status; if ( ( status = FudgeMsg_create ( &submessage ) ) != FUDGE_OK ) return status; if ( ( status = FudgeCodec_decodeMsgFields ( submessage, bytes, width ) ) != FUDGE_OK ) { FudgeMsg_release ( submessage ); return status; } data->message = submessage; return FUDGE_OK; }
FudgeStatus FudgeCodec_decodeMsg ( FudgeMsgEnvelope * envelope, const fudge_byte * bytes, fudge_i32 numbytes ) { FudgeStatus status; FudgeMsgHeader header; FudgeMsg message; if ( ! envelope ) return FUDGE_NULL_POINTER; /* Get the message header and use it to create the envelope and the message */ if ( ( status = FudgeHeader_decodeMsgHeader ( &header, bytes, numbytes ) ) != FUDGE_OK ) return status; if ( numbytes < header.numbytes ) return FUDGE_OUT_OF_BYTES; if ( ( status = FudgeMsg_create ( &message ) ) != FUDGE_OK ) return status; if ( ( status = FudgeMsgEnvelope_create ( envelope, header.directives, header.schemaversion, header.taxonomy, message ) ) != FUDGE_OK ) goto release_message_and_fail; /* Envelope now has a message reference */ FudgeMsg_release ( message ); /* Advance to the end of the header */ bytes += sizeof ( FudgeMsgHeader ); numbytes -= sizeof ( FudgeMsgHeader ); /* Consume fields */ if ( ( status = FudgeCodec_decodeMsgFields ( message, bytes, numbytes ) ) != FUDGE_OK ) goto release_envelope_and_fail; return status; release_envelope_and_fail: FudgeMsgEnvelope_release ( *envelope ); release_message_and_fail: FudgeMsg_release ( message ); return status; }
int main ( int argc, char * argv [ ] ) { FudgeStatus status; FudgeMsg message; FudgeMsgEnvelope envelope; AddressDetails * details [ 2 ]; fudge_i16 ordinal; fudge_byte * encoded; fudge_i32 encodedsize; /* Initialise the Fudge library */ if ( ( status = Fudge_init ( ) ) ) fatalFudgeError ( status, "Failed to initialise Fudge library" ); /* Register the AddressDetails type */ if ( ( status = FudgeRegistry_registerType ( FUDGE_TYPE_ADDRESSDETAILS, FUDGE_TYPE_PAYLOAD_BYTES, FudgeCodec_decodeFieldAddressDetails, FudgeCodec_encodeFieldAddressDetails, FudgeType_coerceAddressDetails ) ) ) fatalFudgeError ( status, "Failed to register AddressDetails type" ); /* Construct and encode two address details */ details [ 0 ] = constructAddressDetails ( Status_Past, 123, "Fake St.", "Some City", "P05 T4L" ); details [ 1 ] = constructAddressDetails ( Status_Active, 45, "Faux Road", "Some Town", "FUD 63C" ); /* Create a message and add the two details */ if ( ( status = FudgeMsg_create ( &message ) ) ) fatalFudgeError ( status, "Failed to create Fudge message" ); for ( ordinal = 0; ordinal < 2; ++ordinal ) FudgeMsg_addFieldAddressDetails ( message, 0, &ordinal, details [ ordinal ] ); /* Encode the message */ if ( ( status = FudgeMsgEnvelope_create ( &envelope, 0, 0, 0, message ) ) ) fatalFudgeError ( status, "Failed to create Fudge messag envelope" ); if ( ( status = FudgeCodec_encodeMsg ( envelope, &encoded, &encodedsize ) ) ) fatalFudgeError ( status, "Failed to encode Fudge message" ); /* Clean up source details and messge */ free ( details [ 0 ] ); free ( details [ 1 ] ); FudgeMsgEnvelope_release ( envelope ); FudgeMsg_release ( message ); /* Decode the message and release the encoded bytes array */ if ( ( status = FudgeCodec_decodeMsg ( &envelope, encoded, encodedsize ) ) ) fatalFudgeError ( status, "Failed to decode Fudge message" ); free ( encoded ); /* Retrieve, convert and display the fields */ for ( ordinal = 0; ordinal < 2; ++ordinal ) { FudgeField field; FudgeFieldData data; FudgeTypePayload payload; fudge_i32 datasize; char * ascii; if ( ( status = FudgeMsg_getFieldByOrdinal ( &field, FudgeMsgEnvelope_getMessage ( envelope ), ordinal ) ) ) fatalFudgeError ( status, "Failed to find field" ); /* Convert the field in to a string */ if ( ( status = FudgeMsg_getFieldAs ( &field, FUDGE_TYPE_STRING, &data, &payload, &datasize ) ) ) fatalFudgeError ( status, "Failed to convert field to string" ); /* This is a bit paranoid, but it's checking that the string conversion actually resulted in string payload */ if ( payload != FUDGE_TYPE_PAYLOAD_STRING ) { fprintf ( stderr, "FATAL ERROR: Retrieving field %d as a string returned a non-string!\n", ordinal ); exit ( 1 ); } FudgeString_convertToASCIIZ ( &ascii, data.string ); printf ( "Field %d: %s\n", ordinal, ascii ); free ( ascii ); FudgeString_release ( data.string ); } /* Clean up */ FudgeMsgEnvelope_release ( envelope ); return 0; }