| 66 | } |
| 67 | |
| 68 | int FlowFileV3Serializer::serialize(const std::shared_ptr<core::FlowFile>& flowFile, const std::shared_ptr<io::OutputStream>& out) { |
| 69 | int sum = 0; |
| 70 | int ret; |
| 71 | ret = out->write(const_cast<uint8_t*>(MAGIC_HEADER), sizeof(MAGIC_HEADER)); |
| 72 | if (ret < 0) { |
| 73 | return ret; |
| 74 | } |
| 75 | if (ret != sizeof(MAGIC_HEADER)) { |
| 76 | return -1; |
| 77 | } |
| 78 | sum += ret; |
| 79 | const auto& attributes = flowFile->getAttributes(); |
| 80 | ret = writeLength(attributes.size(), out); |
| 81 | if (ret < 0) { |
| 82 | return ret; |
| 83 | } |
| 84 | sum += ret; |
| 85 | for (const auto& attrIt : attributes) { |
| 86 | ret = writeString(attrIt.first, out); |
| 87 | if (ret < 0) { |
| 88 | return ret; |
| 89 | } |
| 90 | sum += ret; |
| 91 | ret = writeString(attrIt.second, out); |
| 92 | if (ret < 0) { |
| 93 | return ret; |
| 94 | } |
| 95 | sum += ret; |
| 96 | } |
| 97 | ret = out->write(static_cast<uint64_t>(flowFile->getSize())); |
| 98 | if (ret < 0) { |
| 99 | return ret; |
| 100 | } |
| 101 | sum += ret; |
| 102 | InputStreamPipe pipe(out); |
| 103 | ret = reader_(flowFile, &pipe); |
| 104 | if (ret < 0) { |
| 105 | return ret; |
| 106 | } |
| 107 | sum += ret; |
| 108 | return sum; |
| 109 | } |
| 110 | |
| 111 | } /* namespace minifi */ |
| 112 | } /* namespace nifi */ |
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