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- /* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * Copyright (c) 2017 - 2018 Fraunhofer IOSB (Author: Tino Bischoff)
- * Copyright (c) 2019 Fraunhofer IOSB (Author: Andreas Ebner)
- */
- #include <open62541/types_generated_encoding_binary.h>
- #include <open62541/types_generated_handling.h>
- #ifdef UA_ENABLE_PUBSUB /* conditional compilation */
- #include "ua_pubsub_networkmessage.h"
- const UA_Byte NM_VERSION_MASK = 15;
- const UA_Byte NM_PUBLISHER_ID_ENABLED_MASK = 16;
- const UA_Byte NM_GROUP_HEADER_ENABLED_MASK = 32;
- const UA_Byte NM_PAYLOAD_HEADER_ENABLED_MASK = 64;
- const UA_Byte NM_EXTENDEDFLAGS1_ENABLED_MASK = 128;
- const UA_Byte NM_PUBLISHER_ID_MASK = 7;
- const UA_Byte NM_DATASET_CLASSID_ENABLED_MASK = 8;
- const UA_Byte NM_SECURITY_ENABLED_MASK = 16;
- const UA_Byte NM_TIMESTAMP_ENABLED_MASK = 32;
- const UA_Byte NM_PICOSECONDS_ENABLED_MASK = 64;
- const UA_Byte NM_EXTENDEDFLAGS2_ENABLED_MASK = 128;
- const UA_Byte NM_NETWORK_MSG_TYPE_MASK = 28;
- const UA_Byte NM_CHUNK_MESSAGE_MASK = 1;
- const UA_Byte NM_PROMOTEDFIELDS_ENABLED_MASK = 2;
- const UA_Byte GROUP_HEADER_WRITER_GROUPID_ENABLED = 1;
- const UA_Byte GROUP_HEADER_GROUP_VERSION_ENABLED = 2;
- const UA_Byte GROUP_HEADER_NM_NUMBER_ENABLED = 4;
- const UA_Byte GROUP_HEADER_SEQUENCE_NUMBER_ENABLED = 8;
- const UA_Byte SECURITY_HEADER_NM_SIGNED = 1;
- const UA_Byte SECURITY_HEADER_NM_ENCRYPTED = 2;
- const UA_Byte SECURITY_HEADER_SEC_FOOTER_ENABLED = 4;
- const UA_Byte SECURITY_HEADER_FORCE_KEY_RESET = 8;
- const UA_Byte DS_MESSAGEHEADER_DS_MSG_VALID = 1;
- const UA_Byte DS_MESSAGEHEADER_FIELD_ENCODING_MASK = 6;
- const UA_Byte DS_MESSAGEHEADER_SEQ_NR_ENABLED_MASK = 8;
- const UA_Byte DS_MESSAGEHEADER_STATUS_ENABLED_MASK = 16;
- const UA_Byte DS_MESSAGEHEADER_CONFIGMAJORVERSION_ENABLED_MASK = 32;
- const UA_Byte DS_MESSAGEHEADER_CONFIGMINORVERSION_ENABLED_MASK = 64;
- const UA_Byte DS_MESSAGEHEADER_FLAGS2_ENABLED_MASK = 128;
- const UA_Byte DS_MESSAGEHEADER_DS_MESSAGE_TYPE_MASK = 15;
- const UA_Byte DS_MESSAGEHEADER_TIMESTAMP_ENABLED_MASK = 16;
- const UA_Byte DS_MESSAGEHEADER_PICOSECONDS_INCLUDED_MASK = 32;
- const UA_Byte NM_SHIFT_LEN = 2;
- const UA_Byte DS_MH_SHIFT_LEN = 1;
- static UA_Boolean UA_NetworkMessage_ExtendedFlags1Enabled(const UA_NetworkMessage* src);
- static UA_Boolean UA_NetworkMessage_ExtendedFlags2Enabled(const UA_NetworkMessage* src);
- static UA_Boolean UA_DataSetMessageHeader_DataSetFlags2Enabled(const UA_DataSetMessageHeader* src);
- UA_StatusCode
- UA_NetworkMessage_updateBufferedMessage(UA_NetworkMessageOffsetBuffer *buffer){
- UA_StatusCode rv = UA_STATUSCODE_GOOD;
- for (size_t i = 0; i < buffer->offsetsSize; ++i) {
- const UA_Byte *bufEnd = &buffer->buffer.data[buffer->buffer.length];
- UA_Byte *bufPos = &buffer->buffer.data[buffer->offsets[i].offset];
- switch (buffer->offsets[i].contentType) {
- case UA_PUBSUB_OFFSETTYPE_DATASETMESSAGE_SEQUENCENUMBER:
- rv = UA_UInt16_encodeBinary((UA_UInt16 *) buffer->offsets[i].offsetData.value.value->value.data, &bufPos, bufEnd);
- break;
- case UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_SEQUENCENUMBER:
- rv = UA_UInt16_encodeBinary((UA_UInt16 *) buffer->offsets[i].offsetData.value.value->value.data, &bufPos, bufEnd);
- break;
- case UA_PUBSUB_OFFSETTYPE_PAYLOAD_DATAVALUE:
- rv = UA_DataValue_encodeBinary(buffer->offsets[i].offsetData.value.value, &bufPos, bufEnd);
- break;
- case UA_PUBSUB_OFFSETTYPE_PAYLOAD_VARIANT:
- rv = UA_Variant_encodeBinary(&buffer->offsets[i].offsetData.value.value->value, &bufPos, bufEnd);
- break;
- default:
- return UA_STATUSCODE_BADNOTSUPPORTED;
- }
- }
- return rv;
- }
- UA_StatusCode
- UA_NetworkMessage_encodeBinary(const UA_NetworkMessage* src, UA_Byte **bufPos,
- const UA_Byte *bufEnd) {
- /* UADPVersion + UADP Flags */
- UA_Byte v = src->version;
- if(src->publisherIdEnabled)
- v |= NM_PUBLISHER_ID_ENABLED_MASK;
- if(src->groupHeaderEnabled)
- v |= NM_GROUP_HEADER_ENABLED_MASK;
- if(src->payloadHeaderEnabled)
- v |= NM_PAYLOAD_HEADER_ENABLED_MASK;
- if(UA_NetworkMessage_ExtendedFlags1Enabled(src))
- v |= NM_EXTENDEDFLAGS1_ENABLED_MASK;
- UA_StatusCode rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // ExtendedFlags1
- if(UA_NetworkMessage_ExtendedFlags1Enabled(src)) {
- v = (UA_Byte)src->publisherIdType;
- if(src->dataSetClassIdEnabled)
- v |= NM_DATASET_CLASSID_ENABLED_MASK;
- if(src->securityEnabled)
- v |= NM_SECURITY_ENABLED_MASK;
- if(src->timestampEnabled)
- v |= NM_TIMESTAMP_ENABLED_MASK;
- if(src->picosecondsEnabled)
- v |= NM_PICOSECONDS_ENABLED_MASK;
- if(UA_NetworkMessage_ExtendedFlags2Enabled(src))
- v |= NM_EXTENDEDFLAGS2_ENABLED_MASK;
- rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // ExtendedFlags2
- if(UA_NetworkMessage_ExtendedFlags2Enabled(src)) {
- v = (UA_Byte)src->networkMessageType;
- // shift left 2 bit
- v = (UA_Byte) (v << NM_SHIFT_LEN);
- if(src->chunkMessage)
- v |= NM_CHUNK_MESSAGE_MASK;
- if(src->promotedFieldsEnabled)
- v |= NM_PROMOTEDFIELDS_ENABLED_MASK;
- rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // PublisherId
- if(src->publisherIdEnabled) {
- switch (src->publisherIdType) {
- case UA_PUBLISHERDATATYPE_BYTE:
- rv = UA_Byte_encodeBinary(&(src->publisherId.publisherIdByte), bufPos, bufEnd);
- break;
- case UA_PUBLISHERDATATYPE_UINT16:
- rv = UA_UInt16_encodeBinary(&(src->publisherId.publisherIdUInt16), bufPos, bufEnd);
- break;
- case UA_PUBLISHERDATATYPE_UINT32:
- rv = UA_UInt32_encodeBinary(&(src->publisherId.publisherIdUInt32), bufPos, bufEnd);
- break;
- case UA_PUBLISHERDATATYPE_UINT64:
- rv = UA_UInt64_encodeBinary(&(src->publisherId.publisherIdUInt64), bufPos, bufEnd);
- break;
- case UA_PUBLISHERDATATYPE_STRING:
- rv = UA_String_encodeBinary(&(src->publisherId.publisherIdString), bufPos, bufEnd);
- break;
- default:
- rv = UA_STATUSCODE_BADINTERNALERROR;
- break;
- }
-
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // DataSetClassId
- if(src->dataSetClassIdEnabled) {
- rv = UA_Guid_encodeBinary(&(src->dataSetClassId), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // Group Header
- if(src->groupHeaderEnabled) {
- v = 0;
- if(src->groupHeader.writerGroupIdEnabled)
- v |= GROUP_HEADER_WRITER_GROUPID_ENABLED;
- if(src->groupHeader.groupVersionEnabled)
- v |= GROUP_HEADER_GROUP_VERSION_ENABLED;
- if(src->groupHeader.networkMessageNumberEnabled)
- v |= GROUP_HEADER_NM_NUMBER_ENABLED;
- if(src->groupHeader.sequenceNumberEnabled)
- v |= GROUP_HEADER_SEQUENCE_NUMBER_ENABLED;
- rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if(src->groupHeader.writerGroupIdEnabled) {
- rv = UA_UInt16_encodeBinary(&(src->groupHeader.writerGroupId), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(src->groupHeader.groupVersionEnabled) {
- rv = UA_UInt32_encodeBinary(&(src->groupHeader.groupVersion), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(src->groupHeader.networkMessageNumberEnabled) {
- rv = UA_UInt16_encodeBinary(&(src->groupHeader.networkMessageNumber), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(src->groupHeader.sequenceNumberEnabled) {
- rv = UA_UInt16_encodeBinary(&(src->groupHeader.sequenceNumber), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Payload-Header
- if(src->payloadHeaderEnabled) {
- if(src->networkMessageType != UA_NETWORKMESSAGE_DATASET)
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
-
- rv = UA_Byte_encodeBinary(&(src->payloadHeader.dataSetPayloadHeader.count), bufPos, bufEnd);
- if(src->payloadHeader.dataSetPayloadHeader.dataSetWriterIds == NULL)
- return UA_STATUSCODE_BADENCODINGERROR;
-
- for(UA_Byte i = 0; i < src->payloadHeader.dataSetPayloadHeader.count; i++) {
- rv = UA_UInt16_encodeBinary(&(src->payloadHeader.dataSetPayloadHeader.dataSetWriterIds[i]),
- bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Timestamp
- if(src->timestampEnabled)
- rv = UA_DateTime_encodeBinary(&(src->timestamp), bufPos, bufEnd);
- // Picoseconds
- if(src->picosecondsEnabled)
- rv = UA_UInt16_encodeBinary(&(src->picoseconds), bufPos, bufEnd);
- // PromotedFields
- if(src->promotedFieldsEnabled) {
- /* Size (calculate & encode) */
- UA_UInt16 pfSize = 0;
- for(UA_UInt16 i = 0; i < src->promotedFieldsSize; i++)
- pfSize = (UA_UInt16) (pfSize + UA_Variant_calcSizeBinary(&src->promotedFields[i]));
- rv |= UA_UInt16_encodeBinary(&pfSize, bufPos, bufEnd);
- for (UA_UInt16 i = 0; i < src->promotedFieldsSize; i++)
- rv |= UA_Variant_encodeBinary(&(src->promotedFields[i]), bufPos, bufEnd);
- }
- // SecurityHeader
- if(src->securityEnabled) {
- // SecurityFlags
- v = 0;
- if(src->securityHeader.networkMessageSigned)
- v |= SECURITY_HEADER_NM_SIGNED;
- if(src->securityHeader.networkMessageEncrypted)
- v |= SECURITY_HEADER_NM_ENCRYPTED;
- if(src->securityHeader.securityFooterEnabled)
- v |= SECURITY_HEADER_SEC_FOOTER_ENABLED;
- if(src->securityHeader.forceKeyReset)
- v |= SECURITY_HEADER_FORCE_KEY_RESET;
- rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // SecurityTokenId
- rv = UA_UInt32_encodeBinary(&src->securityHeader.securityTokenId, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // NonceLength
- rv = UA_Byte_encodeBinary(&src->securityHeader.nonceLength, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // MessageNonce
- for (UA_Byte i = 0; i < src->securityHeader.nonceLength; i++) {
- rv = UA_Byte_encodeBinary(&(src->securityHeader.messageNonce.data[i]), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // SecurityFooterSize
- if(src->securityHeader.securityFooterEnabled) {
- rv = UA_UInt16_encodeBinary(&src->securityHeader.securityFooterSize, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Payload
- if(src->networkMessageType != UA_NETWORKMESSAGE_DATASET)
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
-
- UA_Byte count = 1;
- if(src->payloadHeaderEnabled) {
- count = src->payloadHeader.dataSetPayloadHeader.count;
- if(count > 1) {
- for (UA_Byte i = 0; i < count; i++) {
- // initially calculate the size, if not specified
- UA_UInt16 sz = 0;
- if((src->payload.dataSetPayload.sizes != NULL) &&
- (src->payload.dataSetPayload.sizes[i] != 0)) {
- sz = src->payload.dataSetPayload.sizes[i];
- } else {
- sz = (UA_UInt16) UA_DataSetMessage_calcSizeBinary(&src->payload.dataSetPayload.dataSetMessages[i],
- NULL, 0);
- }
- rv = UA_UInt16_encodeBinary(&sz, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- }
- for(UA_Byte i = 0; i < count; i++) {
- rv = UA_DataSetMessage_encodeBinary(&(src->payload.dataSetPayload.dataSetMessages[i]), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(src->securityEnabled) {
- // SecurityFooter
- if(src->securityHeader.securityFooterEnabled) {
- for(UA_Byte i = 0; i < src->securityHeader.securityFooterSize; i++) {
- rv = UA_Byte_encodeBinary(&(src->securityFooter.data[i]), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Signature
- if(src->securityHeader.networkMessageSigned) {
- rv = UA_ByteString_encodeBinary(&(src->signature), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- return UA_STATUSCODE_GOOD;
- }
- static UA_StatusCode
- UA_NetworkMessage_decodeBinaryInternal(const UA_ByteString *src, size_t *offset,
- UA_NetworkMessage* dst) {
- memset(dst, 0, sizeof(UA_NetworkMessage));
- UA_Byte v = 0;
- UA_StatusCode rv = UA_Byte_decodeBinary(src, offset, &v);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- dst->version = v & NM_VERSION_MASK;
-
- if((v & NM_PUBLISHER_ID_ENABLED_MASK) != 0)
- dst->publisherIdEnabled = true;
- if((v & NM_GROUP_HEADER_ENABLED_MASK) != 0)
- dst->groupHeaderEnabled = true;
- if((v & NM_PAYLOAD_HEADER_ENABLED_MASK) != 0)
- dst->payloadHeaderEnabled = true;
-
- if((v & NM_EXTENDEDFLAGS1_ENABLED_MASK) != 0) {
- v = 0;
- rv = UA_Byte_decodeBinary(src, offset, &v);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- dst->publisherIdType = (UA_PublisherIdDatatype)(v & NM_PUBLISHER_ID_MASK);
- if((v & NM_DATASET_CLASSID_ENABLED_MASK) != 0)
- dst->dataSetClassIdEnabled = true;
- if((v & NM_SECURITY_ENABLED_MASK) != 0)
- dst->securityEnabled = true;
- if((v & NM_TIMESTAMP_ENABLED_MASK) != 0)
- dst->timestampEnabled = true;
- if((v & NM_PICOSECONDS_ENABLED_MASK) != 0)
- dst->picosecondsEnabled = true;
- if((v & NM_EXTENDEDFLAGS2_ENABLED_MASK) != 0) {
- v = 0;
- rv = UA_Byte_decodeBinary(src, offset, &v);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if((v & NM_CHUNK_MESSAGE_MASK) != 0)
- dst->chunkMessage = true;
- if((v & NM_PROMOTEDFIELDS_ENABLED_MASK) != 0)
- dst->promotedFieldsEnabled = true;
- v = v & NM_NETWORK_MSG_TYPE_MASK;
- v = (UA_Byte) (v >> NM_SHIFT_LEN);
- dst->networkMessageType = (UA_NetworkMessageType)v;
- }
- }
- if(dst->publisherIdEnabled) {
- switch (dst->publisherIdType) {
- case UA_PUBLISHERDATATYPE_BYTE:
- rv = UA_Byte_decodeBinary(src, offset, &(dst->publisherId.publisherIdByte));
- break;
- case UA_PUBLISHERDATATYPE_UINT16:
- rv = UA_UInt16_decodeBinary(src, offset, &(dst->publisherId.publisherIdUInt16));
- break;
- case UA_PUBLISHERDATATYPE_UINT32:
- rv = UA_UInt32_decodeBinary(src, offset, &(dst->publisherId.publisherIdUInt32));
- break;
- case UA_PUBLISHERDATATYPE_UINT64:
- rv = UA_UInt64_decodeBinary(src, offset, &(dst->publisherId.publisherIdUInt64));
- break;
- case UA_PUBLISHERDATATYPE_STRING:
- rv = UA_String_decodeBinary(src, offset, &(dst->publisherId.publisherIdString));
- break;
- default:
- rv = UA_STATUSCODE_BADINTERNALERROR;
- break;
- }
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(dst->dataSetClassIdEnabled) {
- rv = UA_Guid_decodeBinary(src, offset, &(dst->dataSetClassId));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // GroupHeader
- if(dst->groupHeaderEnabled) {
- v = 0;
- rv = UA_Byte_decodeBinary(src, offset, &v);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if((v & GROUP_HEADER_WRITER_GROUPID_ENABLED) != 0)
- dst->groupHeader.writerGroupIdEnabled = true;
- if((v & GROUP_HEADER_GROUP_VERSION_ENABLED) != 0)
- dst->groupHeader.groupVersionEnabled = true;
- if((v & GROUP_HEADER_NM_NUMBER_ENABLED) != 0)
- dst->groupHeader.networkMessageNumberEnabled = true;
- if((v & GROUP_HEADER_SEQUENCE_NUMBER_ENABLED) != 0)
- dst->groupHeader.sequenceNumberEnabled = true;
- if(dst->groupHeader.writerGroupIdEnabled) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->groupHeader.writerGroupId);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(dst->groupHeader.groupVersionEnabled) {
- rv = UA_UInt32_decodeBinary(src, offset, &dst->groupHeader.groupVersion);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(dst->groupHeader.networkMessageNumberEnabled) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->groupHeader.networkMessageNumber);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(dst->groupHeader.sequenceNumberEnabled) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->groupHeader.sequenceNumber);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Payload-Header
- if(dst->payloadHeaderEnabled) {
- if(dst->networkMessageType != UA_NETWORKMESSAGE_DATASET)
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- rv = UA_Byte_decodeBinary(src, offset, &dst->payloadHeader.dataSetPayloadHeader.count);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- dst->payloadHeader.dataSetPayloadHeader.dataSetWriterIds =
- (UA_UInt16 *)UA_Array_new(dst->payloadHeader.dataSetPayloadHeader.count,
- &UA_TYPES[UA_TYPES_UINT16]);
- for (UA_Byte i = 0; i < dst->payloadHeader.dataSetPayloadHeader.count; i++) {
- rv = UA_UInt16_decodeBinary(src, offset,
- &dst->payloadHeader.dataSetPayloadHeader.dataSetWriterIds[i]);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Timestamp
- if(dst->timestampEnabled) {
- rv = UA_DateTime_decodeBinary(src, offset, &(dst->timestamp));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // Picoseconds
- if(dst->picosecondsEnabled) {
- rv = UA_UInt16_decodeBinary(src, offset, &(dst->picoseconds));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // PromotedFields
- if(dst->promotedFieldsEnabled) {
- // Size
- UA_UInt16 promotedFieldsSize = 0;
- rv = UA_UInt16_decodeBinary(src, offset, &promotedFieldsSize);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // promotedFieldsSize: here size in Byte, not the number of objects!
- if(promotedFieldsSize > 0) {
- // store offset, later compared with promotedFieldsSize
- size_t offsetEnd = (*offset) + promotedFieldsSize;
- unsigned int counter = 0;
- do {
- if(counter == 0) {
- dst->promotedFields = (UA_Variant*)UA_malloc(UA_TYPES[UA_TYPES_VARIANT].memSize);
- // set promotedFieldsSize to the number of objects
- dst->promotedFieldsSize = (UA_UInt16) (counter + 1);
- } else {
- dst->promotedFields = (UA_Variant*)
- UA_realloc(dst->promotedFields,
- UA_TYPES[UA_TYPES_VARIANT].memSize * (counter + 1));
- // set promotedFieldsSize to the number of objects
- dst->promotedFieldsSize = (UA_UInt16) (counter + 1);
- }
- UA_Variant_init(&dst->promotedFields[counter]);
- rv = UA_Variant_decodeBinary(src, offset, &dst->promotedFields[counter]);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- counter++;
- } while ((*offset) < offsetEnd);
- }
- }
- // SecurityHeader
- if(dst->securityEnabled) {
- // SecurityFlags
- v = 0;
- rv = UA_Byte_decodeBinary(src, offset, &v);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if((v & SECURITY_HEADER_NM_SIGNED) != 0)
- dst->securityHeader.networkMessageSigned = true;
- if((v & SECURITY_HEADER_NM_ENCRYPTED) != 0)
- dst->securityHeader.networkMessageEncrypted = true;
- if((v & SECURITY_HEADER_SEC_FOOTER_ENABLED) != 0)
- dst->securityHeader.securityFooterEnabled = true;
- if((v & SECURITY_HEADER_FORCE_KEY_RESET) != 0)
- dst->securityHeader.forceKeyReset = true;
- // SecurityTokenId
- rv = UA_UInt32_decodeBinary(src, offset, &dst->securityHeader.securityTokenId);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // NonceLength
- rv = UA_Byte_decodeBinary(src, offset, &dst->securityHeader.nonceLength);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- // MessageNonce
- if(dst->securityHeader.nonceLength > 0) {
- rv = UA_ByteString_allocBuffer(&dst->securityHeader.messageNonce,
- dst->securityHeader.nonceLength);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- for (UA_Byte i = 0; i < dst->securityHeader.nonceLength; i++) {
- rv = UA_Byte_decodeBinary(src, offset, &(dst->securityHeader.messageNonce.data[i]));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // SecurityFooterSize
- if(dst->securityHeader.securityFooterEnabled) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->securityHeader.securityFooterSize);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Payload
- if(dst->networkMessageType != UA_NETWORKMESSAGE_DATASET)
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- UA_Byte count = 1;
- if(dst->payloadHeaderEnabled) {
- count = dst->payloadHeader.dataSetPayloadHeader.count;
- if(count > 1) {
- dst->payload.dataSetPayload.sizes = (UA_UInt16 *)UA_Array_new(count, &UA_TYPES[UA_TYPES_UINT16]);
- for (UA_Byte i = 0; i < count; i++) {
- rv = UA_UInt16_decodeBinary(src, offset, &(dst->payload.dataSetPayload.sizes[i]));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- }
- dst->payload.dataSetPayload.dataSetMessages = (UA_DataSetMessage*)
- UA_calloc(count, sizeof(UA_DataSetMessage));
- for(UA_Byte i = 0; i < count; i++) {
- rv = UA_DataSetMessage_decodeBinary(src, offset, &(dst->payload.dataSetPayload.dataSetMessages[i]));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if(dst->securityEnabled) {
- // SecurityFooter
- if(dst->securityHeader.securityFooterEnabled && (dst->securityHeader.securityFooterSize > 0)) {
- rv = UA_ByteString_allocBuffer(&dst->securityFooter, dst->securityHeader.securityFooterSize);
- if (rv != UA_STATUSCODE_GOOD)
- return rv;
- for (UA_Byte i = 0; i < dst->securityHeader.securityFooterSize; i++) {
- rv = UA_Byte_decodeBinary(src, offset, &(dst->securityFooter.data[i]));
- if (rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- // Signature
- if(dst->securityHeader.networkMessageSigned) {
- rv = UA_ByteString_decodeBinary(src, offset, &(dst->signature));
- if (rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- return UA_STATUSCODE_GOOD;
- }
- UA_StatusCode
- UA_NetworkMessage_decodeBinary(const UA_ByteString *src, size_t *offset, UA_NetworkMessage* dst) {
- UA_StatusCode retval = UA_NetworkMessage_decodeBinaryInternal(src, offset, dst);
- if(retval != UA_STATUSCODE_GOOD)
- UA_NetworkMessage_deleteMembers(dst);
- return retval;
- }
- static UA_Boolean
- increaseOffsetArray(UA_NetworkMessageOffsetBuffer *offsetBuffer) {
- UA_NetworkMessageOffset *tmpOffsets = (UA_NetworkMessageOffset *)
- UA_realloc(offsetBuffer->offsets, sizeof(UA_NetworkMessageOffset) * (offsetBuffer->offsetsSize + (size_t)1));
- if(!tmpOffsets)
- return false;
- offsetBuffer->offsets = tmpOffsets;
- offsetBuffer->offsetsSize++;
- return true;
- }
- size_t
- UA_NetworkMessage_calcSizeBinary(UA_NetworkMessage *p, UA_NetworkMessageOffsetBuffer *offsetBuffer) {
- size_t retval = 0;
- UA_Byte byte;
- size_t size = UA_Byte_calcSizeBinary(&byte); // UADPVersion + UADPFlags
- if(UA_NetworkMessage_ExtendedFlags1Enabled(p)) {
- size += UA_Byte_calcSizeBinary(&byte);
- if(UA_NetworkMessage_ExtendedFlags2Enabled(p))
- size += UA_Byte_calcSizeBinary(&byte);
- }
- if(p->publisherIdEnabled) {
- switch (p->publisherIdType) {
- case UA_PUBLISHERDATATYPE_BYTE:
- size += UA_Byte_calcSizeBinary(&p->publisherId.publisherIdByte);
- break;
- case UA_PUBLISHERDATATYPE_UINT16:
- size += UA_UInt16_calcSizeBinary(&p->publisherId.publisherIdUInt16);
- break;
- case UA_PUBLISHERDATATYPE_UINT32:
- size += UA_UInt32_calcSizeBinary(&p->publisherId.publisherIdUInt32);
- break;
- case UA_PUBLISHERDATATYPE_UINT64:
- size += UA_UInt64_calcSizeBinary(&p->publisherId.publisherIdUInt64);
- break;
- case UA_PUBLISHERDATATYPE_STRING:
- size += UA_String_calcSizeBinary(&p->publisherId.publisherIdString);
- break;
- }
- }
- if(p->dataSetClassIdEnabled)
- size += UA_Guid_calcSizeBinary(&p->dataSetClassId);
- // Group Header
- if(p->groupHeaderEnabled) {
- size += UA_Byte_calcSizeBinary(&byte);
- if(p->groupHeader.writerGroupIdEnabled)
- size += UA_UInt16_calcSizeBinary(&p->groupHeader.writerGroupId);
- if(p->groupHeader.groupVersionEnabled)
- size += UA_UInt32_calcSizeBinary(&p->groupHeader.groupVersion);
- if(p->groupHeader.networkMessageNumberEnabled) {
- size += UA_UInt16_calcSizeBinary(&p->groupHeader.networkMessageNumber);
- }
- if(p->groupHeader.sequenceNumberEnabled){
- if(offsetBuffer){
- size_t pos = offsetBuffer->offsetsSize;
- if(!increaseOffsetArray(offsetBuffer))
- return 0;
- offsetBuffer->offsets[pos].offset = size;
- offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
- UA_DataValue_init(offsetBuffer->offsets[pos].offsetData.value.value);
- UA_Variant_setScalar(&offsetBuffer->offsets[pos].offsetData.value.value->value,
- &p->groupHeader.sequenceNumber, &UA_TYPES[UA_TYPES_UINT16]);
- offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_NETWORKMESSAGE_SEQUENCENUMBER;
- }
- size += UA_UInt16_calcSizeBinary(&p->groupHeader.sequenceNumber);
- }
- }
- // Payload Header
- if(p->payloadHeaderEnabled) {
- if(p->networkMessageType == UA_NETWORKMESSAGE_DATASET) {
- size += UA_Byte_calcSizeBinary(&p->payloadHeader.dataSetPayloadHeader.count);
- if(p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds != NULL) {
- size += UA_UInt16_calcSizeBinary(&p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds[0]) *
- p->payloadHeader.dataSetPayloadHeader.count;
- } else {
- return 0; /* no dataSetWriterIds given! */
- }
- } else {
- // not implemented
- }
- }
- if(p->timestampEnabled) {
- if(offsetBuffer){
- size_t pos = offsetBuffer->offsetsSize;
- if(!increaseOffsetArray(offsetBuffer))
- return 0;
- offsetBuffer->offsets[pos].offset = size;
- offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_TIMESTAMP;
- }
- size += UA_DateTime_calcSizeBinary(&p->timestamp);
- }
- if(p->picosecondsEnabled){
- if (offsetBuffer) {
- size_t pos = offsetBuffer->offsetsSize;
- if(!increaseOffsetArray(offsetBuffer))
- return 0;
- offsetBuffer->offsets[pos].offset = size;
- offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_TIMESTAMP_PICOSECONDS;
- }
- size += UA_UInt16_calcSizeBinary(&p->picoseconds);
- }
- if(p->promotedFieldsEnabled) {
- size += UA_UInt16_calcSizeBinary(&p->promotedFieldsSize);
- for (UA_UInt16 i = 0; i < p->promotedFieldsSize; i++)
- size += UA_Variant_calcSizeBinary(&p->promotedFields[i]);
- }
- if(p->securityEnabled) {
- size += UA_Byte_calcSizeBinary(&byte);
- size += UA_UInt32_calcSizeBinary(&p->securityHeader.securityTokenId);
- size += UA_Byte_calcSizeBinary(&p->securityHeader.nonceLength);
- if(p->securityHeader.nonceLength > 0)
- size += (UA_Byte_calcSizeBinary(&p->securityHeader.messageNonce.data[0]) * p->securityHeader.nonceLength);
- if(p->securityHeader.securityFooterEnabled)
- size += UA_UInt16_calcSizeBinary(&p->securityHeader.securityFooterSize);
- }
- if(p->networkMessageType == UA_NETWORKMESSAGE_DATASET) {
- UA_Byte count = 1;
- if(p->payloadHeaderEnabled) {
- count = p->payloadHeader.dataSetPayloadHeader.count;
- if(count > 1)
- size += UA_UInt16_calcSizeBinary(&(p->payload.dataSetPayload.sizes[0])) * count;
- }
- for (size_t i = 0; i < count; i++) {
- if (offsetBuffer)
- UA_DataSetMessage_calcSizeBinary(&(p->payload.dataSetPayload.dataSetMessages[i]), offsetBuffer,
- size);
- size += UA_DataSetMessage_calcSizeBinary(&(p->payload.dataSetPayload.dataSetMessages[i]), NULL, 0);
- }
- }
- if (p->securityEnabled) {
- if (p->securityHeader.securityFooterEnabled)
- size += p->securityHeader.securityFooterSize;
- if (p->securityHeader.networkMessageSigned)
- size += UA_ByteString_calcSizeBinary(&p->signature);
- }
- retval = size;
- return retval;
- }
- void
- UA_NetworkMessage_deleteMembers(UA_NetworkMessage* p) {
- if(p->promotedFieldsEnabled)
- UA_Array_delete(p->promotedFields, p->promotedFieldsSize, &UA_TYPES[UA_TYPES_VARIANT]);
- if(p->securityEnabled && (p->securityHeader.nonceLength > 0))
- UA_ByteString_deleteMembers(&p->securityHeader.messageNonce);
- if(p->networkMessageType == UA_NETWORKMESSAGE_DATASET) {
- if(p->payloadHeaderEnabled) {
- if(p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds != NULL) {
- UA_Array_delete(p->payloadHeader.dataSetPayloadHeader.dataSetWriterIds,
- p->payloadHeader.dataSetPayloadHeader.count, &UA_TYPES[UA_TYPES_UINT16]);
- }
- if(p->payload.dataSetPayload.sizes != NULL) {
- UA_Array_delete(p->payload.dataSetPayload.sizes,
- p->payloadHeader.dataSetPayloadHeader.count, &UA_TYPES[UA_TYPES_UINT16]);
- }
- }
- if(p->payload.dataSetPayload.dataSetMessages != NULL) {
- UA_Byte count = 1;
- if(p->payloadHeaderEnabled)
- count = p->payloadHeader.dataSetPayloadHeader.count;
-
- for (size_t i = 0; i < count; i++)
- UA_DataSetMessage_free(&(p->payload.dataSetPayload.dataSetMessages[i]));
- UA_free(p->payload.dataSetPayload.dataSetMessages);
- }
- }
- if(p->securityHeader.securityFooterEnabled && (p->securityHeader.securityFooterSize > 0))
- UA_ByteString_deleteMembers(&p->securityFooter);
- if(p->messageIdEnabled){
- UA_String_deleteMembers(&p->messageId);
- }
- if(p->publisherIdEnabled && p->publisherIdType == UA_PUBLISHERDATATYPE_STRING){
- UA_String_deleteMembers(&p->publisherId.publisherIdString);
- }
- memset(p, 0, sizeof(UA_NetworkMessage));
- }
- void UA_NetworkMessage_delete(UA_NetworkMessage* p) {
- UA_NetworkMessage_deleteMembers(p);
- }
- UA_Boolean
- UA_NetworkMessage_ExtendedFlags1Enabled(const UA_NetworkMessage* src) {
- UA_Boolean retval = false;
- if((src->publisherIdType != UA_PUBLISHERDATATYPE_BYTE)
- || src->dataSetClassIdEnabled
- || src->securityEnabled
- || src->timestampEnabled
- || src->picosecondsEnabled
- || UA_NetworkMessage_ExtendedFlags2Enabled(src))
- {
- retval = true;
- }
- return retval;
- }
- UA_Boolean
- UA_NetworkMessage_ExtendedFlags2Enabled(const UA_NetworkMessage* src) {
- if(src->chunkMessage || src->promotedFieldsEnabled ||
- src->networkMessageType != UA_NETWORKMESSAGE_DATASET)
- return true;
- return false;
- }
- UA_Boolean
- UA_DataSetMessageHeader_DataSetFlags2Enabled(const UA_DataSetMessageHeader* src) {
- if(src->dataSetMessageType != UA_DATASETMESSAGE_DATAKEYFRAME ||
- src->timestampEnabled || src->picoSecondsIncluded)
- return true;
- return false;
- }
- UA_StatusCode
- UA_DataSetMessageHeader_encodeBinary(const UA_DataSetMessageHeader* src, UA_Byte **bufPos,
- const UA_Byte *bufEnd) {
- UA_Byte v;
- // DataSetFlags1
- v = (UA_Byte)src->fieldEncoding;
- // shift left 1 bit
- v = (UA_Byte)(v << DS_MH_SHIFT_LEN);
- if(src->dataSetMessageValid)
- v |= DS_MESSAGEHEADER_DS_MSG_VALID;
- if(src->dataSetMessageSequenceNrEnabled)
- v |= DS_MESSAGEHEADER_SEQ_NR_ENABLED_MASK;
- if(src->statusEnabled)
- v |= DS_MESSAGEHEADER_STATUS_ENABLED_MASK;
- if(src->configVersionMajorVersionEnabled)
- v |= DS_MESSAGEHEADER_CONFIGMAJORVERSION_ENABLED_MASK;
- if(src->configVersionMinorVersionEnabled)
- v |= DS_MESSAGEHEADER_CONFIGMINORVERSION_ENABLED_MASK;
- if(UA_DataSetMessageHeader_DataSetFlags2Enabled(src))
- v |= DS_MESSAGEHEADER_FLAGS2_ENABLED_MASK;
- UA_StatusCode rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
-
- // DataSetFlags2
- if(UA_DataSetMessageHeader_DataSetFlags2Enabled(src)) {
- v = (UA_Byte)src->dataSetMessageType;
- if(src->timestampEnabled)
- v |= DS_MESSAGEHEADER_TIMESTAMP_ENABLED_MASK;
- if(src->picoSecondsIncluded)
- v |= DS_MESSAGEHEADER_PICOSECONDS_INCLUDED_MASK;
- rv = UA_Byte_encodeBinary(&v, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // DataSetMessageSequenceNr
- if(src->dataSetMessageSequenceNrEnabled) {
- rv = UA_UInt16_encodeBinary(&src->dataSetMessageSequenceNr, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // Timestamp
- if(src->timestampEnabled) {
- rv = UA_DateTime_encodeBinary(&(src->timestamp), bufPos, bufEnd); /* UtcTime */
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // PicoSeconds
- if(src->picoSecondsIncluded) {
- rv = UA_UInt16_encodeBinary(&(src->picoSeconds), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // Status
- if(src->statusEnabled) {
- rv = UA_UInt16_encodeBinary(&(src->status), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // ConfigVersionMajorVersion
- if(src->configVersionMajorVersionEnabled) {
- rv = UA_UInt32_encodeBinary(&(src->configVersionMajorVersion), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- // ConfigVersionMinorVersion
- if(src->configVersionMinorVersionEnabled) {
- rv = UA_UInt32_encodeBinary(&(src->configVersionMinorVersion), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- return UA_STATUSCODE_GOOD;
- }
- UA_StatusCode
- UA_DataSetMessageHeader_decodeBinary(const UA_ByteString *src, size_t *offset,
- UA_DataSetMessageHeader* dst) {
- memset(dst, 0, sizeof(UA_DataSetMessageHeader));
- UA_Byte v = 0;
- UA_StatusCode rv = UA_Byte_decodeBinary(src, offset, &v);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- UA_Byte v2 = v & DS_MESSAGEHEADER_FIELD_ENCODING_MASK;
- v2 = (UA_Byte)(v2 >> DS_MH_SHIFT_LEN);
- dst->fieldEncoding = (UA_FieldEncoding)v2;
-
- if((v & DS_MESSAGEHEADER_DS_MSG_VALID) != 0)
- dst->dataSetMessageValid = true;
- if((v & DS_MESSAGEHEADER_SEQ_NR_ENABLED_MASK) != 0)
- dst->dataSetMessageSequenceNrEnabled = true;
- if((v & DS_MESSAGEHEADER_STATUS_ENABLED_MASK) != 0)
- dst->statusEnabled = true;
- if((v & DS_MESSAGEHEADER_CONFIGMAJORVERSION_ENABLED_MASK) != 0)
- dst->configVersionMajorVersionEnabled = true;
- if((v & DS_MESSAGEHEADER_CONFIGMINORVERSION_ENABLED_MASK) != 0)
- dst->configVersionMinorVersionEnabled = true;
- if((v & DS_MESSAGEHEADER_FLAGS2_ENABLED_MASK) != 0) {
- v = 0;
- rv = UA_Byte_decodeBinary(src, offset, &v);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
-
- dst->dataSetMessageType = (UA_DataSetMessageType)(v & DS_MESSAGEHEADER_DS_MESSAGE_TYPE_MASK);
- if((v & DS_MESSAGEHEADER_TIMESTAMP_ENABLED_MASK) != 0)
- dst->timestampEnabled = true;
- if((v & DS_MESSAGEHEADER_PICOSECONDS_INCLUDED_MASK) != 0)
- dst->picoSecondsIncluded = true;
- } else {
- dst->dataSetMessageType = UA_DATASETMESSAGE_DATAKEYFRAME;
- dst->picoSecondsIncluded = false;
- }
- if(dst->dataSetMessageSequenceNrEnabled) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->dataSetMessageSequenceNr);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- } else {
- dst->dataSetMessageSequenceNr = 0;
- }
- if(dst->timestampEnabled) {
- rv = UA_DateTime_decodeBinary(src, offset, &dst->timestamp); /* UtcTime */
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- } else {
- dst->timestamp = 0;
- }
- if(dst->picoSecondsIncluded) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->picoSeconds);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- } else {
- dst->picoSeconds = 0;
- }
- if(dst->statusEnabled) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->status);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- } else {
- dst->status = 0;
- }
- if(dst->configVersionMajorVersionEnabled) {
- rv = UA_UInt32_decodeBinary(src, offset, &dst->configVersionMajorVersion);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- } else {
- dst->configVersionMajorVersion = 0;
- }
- if(dst->configVersionMinorVersionEnabled) {
- rv = UA_UInt32_decodeBinary(src, offset, &dst->configVersionMinorVersion);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- } else {
- dst->configVersionMinorVersion = 0;
- }
- return UA_STATUSCODE_GOOD;
- }
- size_t
- UA_DataSetMessageHeader_calcSizeBinary(const UA_DataSetMessageHeader* p) {
- UA_Byte byte;
- size_t size = UA_Byte_calcSizeBinary(&byte); // DataSetMessage Type + Flags
- if(UA_DataSetMessageHeader_DataSetFlags2Enabled(p))
- size += UA_Byte_calcSizeBinary(&byte);
- if(p->dataSetMessageSequenceNrEnabled)
- size += UA_UInt16_calcSizeBinary(&p->dataSetMessageSequenceNr);
- if(p->timestampEnabled)
- size += UA_DateTime_calcSizeBinary(&p->timestamp); /* UtcTime */
- if(p->picoSecondsIncluded)
- size += UA_UInt16_calcSizeBinary(&p->picoSeconds);
- if(p->statusEnabled)
- size += UA_UInt16_calcSizeBinary(&p->status);
- if(p->configVersionMajorVersionEnabled)
- size += UA_UInt32_calcSizeBinary(&p->configVersionMajorVersion);
- if(p->configVersionMinorVersionEnabled)
- size += UA_UInt32_calcSizeBinary(&p->configVersionMinorVersion);
- return size;
- }
- UA_StatusCode
- UA_DataSetMessage_encodeBinary(const UA_DataSetMessage* src, UA_Byte **bufPos,
- const UA_Byte *bufEnd) {
- UA_StatusCode rv = UA_DataSetMessageHeader_encodeBinary(&src->header, bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if(src->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
- if(src->header.fieldEncoding != UA_FIELDENCODING_RAWDATA) {
- rv = UA_UInt16_encodeBinary(&(src->data.keyFrameData.fieldCount), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- if(src->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
- for (UA_UInt16 i = 0; i < src->data.keyFrameData.fieldCount; i++) {
- rv = UA_Variant_encodeBinary(&(src->data.keyFrameData.dataSetFields[i].value), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- } else if(src->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- } else if(src->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
- for (UA_UInt16 i = 0; i < src->data.keyFrameData.fieldCount; i++) {
- rv = UA_DataValue_encodeBinary(&(src->data.keyFrameData.dataSetFields[i]), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- } else if(src->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
- // Encode Delta Frame
- // Here the FieldCount is always present
- rv = UA_UInt16_encodeBinary(&(src->data.keyFrameData.fieldCount), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if(src->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
- for (UA_UInt16 i = 0; i < src->data.deltaFrameData.fieldCount; i++) {
- rv = UA_UInt16_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldIndex), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
-
- rv = UA_Variant_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldValue.value), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- } else if(src->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- } else if(src->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
- for (UA_UInt16 i = 0; i < src->data.deltaFrameData.fieldCount; i++) {
- rv = UA_UInt16_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldIndex), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- rv = UA_DataValue_encodeBinary(&(src->data.deltaFrameData.deltaFrameFields[i].fieldValue), bufPos, bufEnd);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- } else if(src->header.dataSetMessageType != UA_DATASETMESSAGE_KEEPALIVE) {
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- }
- /* Keep-Alive Message contains no Payload Data */
- return UA_STATUSCODE_GOOD;
- }
- UA_StatusCode
- UA_DataSetMessage_decodeBinary(const UA_ByteString *src, size_t *offset, UA_DataSetMessage* dst) {
- memset(dst, 0, sizeof(UA_DataSetMessage));
- UA_StatusCode rv = UA_DataSetMessageHeader_decodeBinary(src, offset, &dst->header);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if(dst->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
- if(dst->header.fieldEncoding != UA_FIELDENCODING_RAWDATA) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->data.keyFrameData.fieldCount);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if(dst->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
- dst->data.keyFrameData.dataSetFields =
- (UA_DataValue *)UA_Array_new(dst->data.keyFrameData.fieldCount, &UA_TYPES[UA_TYPES_DATAVALUE]);
- for (UA_UInt16 i = 0; i < dst->data.keyFrameData.fieldCount; i++) {
- UA_DataValue_init(&dst->data.keyFrameData.dataSetFields[i]);
- rv = UA_Variant_decodeBinary(src, offset, &dst->data.keyFrameData.dataSetFields[i].value);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- dst->data.keyFrameData.dataSetFields[i].hasValue = true;
- }
- } else if(dst->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- } else if(dst->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
- dst->data.keyFrameData.dataSetFields =
- (UA_DataValue *)UA_Array_new(dst->data.keyFrameData.fieldCount, &UA_TYPES[UA_TYPES_DATAVALUE]);
- for (UA_UInt16 i = 0; i < dst->data.keyFrameData.fieldCount; i++) {
- rv = UA_DataValue_decodeBinary(src, offset, &(dst->data.keyFrameData.dataSetFields[i]));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- }
- } else if(dst->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
- if(dst->header.fieldEncoding != UA_FIELDENCODING_RAWDATA) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->data.deltaFrameData.fieldCount);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- if(dst->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
- size_t memsize = sizeof(UA_DataSetMessage_DeltaFrameField) * dst->data.deltaFrameData.fieldCount;
- dst->data.deltaFrameData.deltaFrameFields = (UA_DataSetMessage_DeltaFrameField*)UA_malloc(memsize);
- for (UA_UInt16 i = 0; i < dst->data.deltaFrameData.fieldCount; i++) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->data.deltaFrameData.deltaFrameFields[i].fieldIndex);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
-
- UA_DataValue_init(&dst->data.deltaFrameData.deltaFrameFields[i].fieldValue);
- rv = UA_Variant_decodeBinary(src, offset, &dst->data.deltaFrameData.deltaFrameFields[i].fieldValue.value);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- dst->data.deltaFrameData.deltaFrameFields[i].fieldValue.hasValue = true;
- }
- } else if(dst->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- } else if(dst->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
- size_t memsize = sizeof(UA_DataSetMessage_DeltaFrameField) * dst->data.deltaFrameData.fieldCount;
- dst->data.deltaFrameData.deltaFrameFields = (UA_DataSetMessage_DeltaFrameField*)UA_malloc(memsize);
- for (UA_UInt16 i = 0; i < dst->data.deltaFrameData.fieldCount; i++) {
- rv = UA_UInt16_decodeBinary(src, offset, &dst->data.deltaFrameData.deltaFrameFields[i].fieldIndex);
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
-
- rv = UA_DataValue_decodeBinary(src, offset, &(dst->data.deltaFrameData.deltaFrameFields[i].fieldValue));
- if(rv != UA_STATUSCODE_GOOD)
- return rv;
- }
- }
- }
- } else if(dst->header.dataSetMessageType != UA_DATASETMESSAGE_KEEPALIVE) {
- return UA_STATUSCODE_BADNOTIMPLEMENTED;
- }
- /* Keep-Alive Message contains no Payload Data */
- return UA_STATUSCODE_GOOD;
- }
- size_t
- UA_DataSetMessage_calcSizeBinary(UA_DataSetMessage* p, UA_NetworkMessageOffsetBuffer *offsetBuffer, size_t currentOffset) {
- size_t size = currentOffset;
- UA_Byte byte;
- size += UA_Byte_calcSizeBinary(&byte); // DataSetMessage Type + Flags
- if(UA_DataSetMessageHeader_DataSetFlags2Enabled(&p->header))
- size += UA_Byte_calcSizeBinary(&byte);
- if(p->header.dataSetMessageSequenceNrEnabled) {
- if (offsetBuffer) {
- size_t pos = offsetBuffer->offsetsSize;
- if(!increaseOffsetArray(offsetBuffer))
- return 0;
- offsetBuffer->offsets[pos].offset = size;
- offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
- UA_DataValue_init(offsetBuffer->offsets[pos].offsetData.value.value);
- UA_Variant_setScalar(&offsetBuffer->offsets[pos].offsetData.value.value->value,
- &p->header.dataSetMessageSequenceNr, &UA_TYPES[UA_TYPES_UINT16]);
- offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_DATASETMESSAGE_SEQUENCENUMBER;
- }
- size += UA_UInt16_calcSizeBinary(&p->header.dataSetMessageSequenceNr);
- }
- if(p->header.timestampEnabled)
- size += UA_DateTime_calcSizeBinary(&p->header.timestamp); /* UtcTime */
- if(p->header.picoSecondsIncluded)
- size += UA_UInt16_calcSizeBinary(&p->header.picoSeconds);
- if(p->header.statusEnabled)
- size += UA_UInt16_calcSizeBinary(&p->header.status);
- if(p->header.configVersionMajorVersionEnabled)
- size += UA_UInt32_calcSizeBinary(&p->header.configVersionMajorVersion);
- if(p->header.configVersionMinorVersionEnabled)
- size += UA_UInt32_calcSizeBinary(&p->header.configVersionMinorVersion);
- if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
- if(p->header.fieldEncoding != UA_FIELDENCODING_RAWDATA){
- //TODO clarify RT and Rawdata behavior
- size += UA_calcSizeBinary(&p->data.keyFrameData.fieldCount, &UA_TYPES[UA_TYPES_UINT16]);
- }
- if(p->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
- for (UA_UInt16 i = 0; i < p->data.keyFrameData.fieldCount; i++){
- if (offsetBuffer) {
- size_t pos = offsetBuffer->offsetsSize;
- if(!increaseOffsetArray(offsetBuffer))
- return 0;
- offsetBuffer->offsets[pos].offset = size;
- offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_PAYLOAD_VARIANT;
- //TODO check value source and alloc!
- offsetBuffer->offsets[pos].offsetData.value.value = UA_DataValue_new();
- UA_Variant_setScalar(&offsetBuffer->offsets[pos].offsetData.value.value->value,
- p->data.keyFrameData.dataSetFields[i].value.data,
- p->data.keyFrameData.dataSetFields[i].value.type);
- //offsetBuffer->offsets[pos].offsetData.value.value->value = p->data.keyFrameData.dataSetFields->value;
- }
- size += UA_calcSizeBinary(&p->data.keyFrameData.dataSetFields[i].value, &UA_TYPES[UA_TYPES_VARIANT]);
- }
- } else if(p->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
- // not implemented
- } else if(p->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
- for (UA_UInt16 i = 0; i < p->data.keyFrameData.fieldCount; i++) {
- if (offsetBuffer) {
- size_t pos = offsetBuffer->offsetsSize;
- if(!increaseOffsetArray(offsetBuffer))
- return 0;
- offsetBuffer->offsets[pos].offset = size;
- offsetBuffer->offsets[pos].contentType = UA_PUBSUB_OFFSETTYPE_PAYLOAD_DATAVALUE;
- //TODO check value source, change implementation to 'variant'
- offsetBuffer->offsets[pos].offsetData.value.value = p->data.keyFrameData.dataSetFields;
- }
- size += UA_calcSizeBinary(&p->data.keyFrameData.dataSetFields[i], &UA_TYPES[UA_TYPES_DATAVALUE]);
- }
- }
- } else if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
- //TODO clarify how to handle DATADELTAFRAME messages with RT
- if(p->header.fieldEncoding != UA_FIELDENCODING_RAWDATA)
- size += UA_calcSizeBinary(&p->data.deltaFrameData.fieldCount, &UA_TYPES[UA_TYPES_UINT16]);
- if(p->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
- for (UA_UInt16 i = 0; i < p->data.deltaFrameData.fieldCount; i++) {
- size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldIndex, &UA_TYPES[UA_TYPES_UINT16]);
- size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue.value, &UA_TYPES[UA_TYPES_VARIANT]);
- }
- } else if(p->header.fieldEncoding == UA_FIELDENCODING_RAWDATA) {
- // not implemented
- } else if(p->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
- for (UA_UInt16 i = 0; i < p->data.deltaFrameData.fieldCount; i++) {
- size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldIndex, &UA_TYPES[UA_TYPES_UINT16]);
- size += UA_calcSizeBinary(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue, &UA_TYPES[UA_TYPES_DATAVALUE]);
- }
- }
- }
- /* KeepAlive-Message contains no Payload Data */
- return size;
- }
- void UA_DataSetMessage_free(const UA_DataSetMessage* p) {
- if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATAKEYFRAME) {
- if(p->data.keyFrameData.dataSetFields != NULL)
- UA_Array_delete(p->data.keyFrameData.dataSetFields, p->data.keyFrameData.fieldCount,
- &UA_TYPES[UA_TYPES_DATAVALUE]);
- /* Json keys */
- if(p->data.keyFrameData.fieldNames != NULL){
- UA_Array_delete(p->data.keyFrameData.fieldNames, p->data.keyFrameData.fieldCount,
- &UA_TYPES[UA_TYPES_STRING]);
- }
- } else if(p->header.dataSetMessageType == UA_DATASETMESSAGE_DATADELTAFRAME) {
- if(p->data.deltaFrameData.deltaFrameFields != NULL) {
- for(UA_UInt16 i = 0; i < p->data.deltaFrameData.fieldCount; i++) {
- if(p->header.fieldEncoding == UA_FIELDENCODING_DATAVALUE) {
- UA_DataValue_deleteMembers(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue);
- } else if(p->header.fieldEncoding == UA_FIELDENCODING_VARIANT) {
- UA_Variant_deleteMembers(&p->data.deltaFrameData.deltaFrameFields[i].fieldValue.value);
- }
- }
- UA_free(p->data.deltaFrameData.deltaFrameFields);
- }
- }
- }
- #endif /* UA_ENABLE_PUBSUB */
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