I'm getting below error ("Bus error"), when running the c++ server:
dev-telemetry@telemetry build % ./file_streaming_server Server listening on 0.0.0.0:8070 Buffer contents: 67 76 68 46 73 76 76 85 83 67 73 79 2 0 0 0 104 69 0 0 27 0 0 0 -35 -65 -93 2 0 0 0 0 -17 -63 88 71 0 0 0 0 16 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 -68 75 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 78 -65 109 76 53 0 0 -96 -123 19 0 0 0 0 0 4 -97 5 0 0 0 0 0 60 -37 117 -66 -64 32 -107 57 -96 -73 -31 -67 68 97 126 62 -120 67 -6 62 88 -80 -63 62 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 78 0 0 -40 83 0 0 -92 36 25 0 0 0 0 0 -56 -41 8 0 0 0 0 0 60 -37 117 -66 -64 32 -107 57 -96 -73 -31 -67 -128 96 -120 59 -48 104 122 62 112 66 9 62 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 2 0 0 0 0 78 0 0 25 35 0 0 108 -4 33 0 0 0 0 0 -93 -77 3 0 0 0 0 0 60 -37 117 -66 -64 32 -107 57 -96 -73 -31 -67 56 -104 -15 -67 97 -77 -6 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 3 0 0 0 0 78 0 0 106 18 0 0 15 -80 37 0 0 0 0 0 46 -15 1 0 0 0 0 0 60 -37 117 -66 -64 32 -107 57 0 81 73 -67 -84 83 55 -66 -127 72 123 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 4 0 0 0 0 78 0 0 21 27 0 0 61 -95 39 0 0 0 0 0 55 -37 2 0 0 0 0 0 60 -37 117 -66 -61 114 -4 60 -64 -125 -104 -68 116 -105 86 -66 -127 72 123 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 0 0 0 5 0 0 0 1 78 0 0 -55 0 0 0 116 124 42 0 0 0 0 0 51 21 0 0 0 0 0 0 60 -37 117 -66 -15 -64 60 61 -64 -125 -104 -68 88 57 102 -66 -127 72 123 61 0 -91 91 -69 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 0 0 0 5 0 0 0 0 78 0 0 83 15 0 0 -89 -111 42 0 0 0 0 0 -63 -99 1 0 0 0 0 0 60 -37 117 -66 -15 -64 60 61 0 -91 91 -69 88 57 102 -66 -127 72 123 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 0 0 7 0 0 0 1 78 0 0 -91 2 0 0 104 47 44 0 0 0 0 0 103 71 0 0 0 0 0 0 74 10 110 -66 -15 -64 60 61 -64 75 -116 59 88 57 102 -66 -71 4 92 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 0 0 0 7 0 0 0 1 78 0 0 -103 9 0 0 -49 118 44 0 0 0 0 0 35 3 1 0 0 0 0 0 74 10 110 -66 -71 4 92 61 0 -91 91 -69 88 57 102 -66 -127 72 123 61 -64 75 -116 59 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 0 0 0 7 0 0 0 1 78 0 0 59 16 0 0 -14 121 45 0 0 0 0 0 57 -74 1 0 0 0 0 0 74 10 110 -66 -71 4 92 61 -64 75 -116 59 88 57 102 -66 -127 72 123 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 0 0 0 5 0 0 0 0 78 0 0 52 26 0 0 43 48 47 0 0 0 0 0 124 -61 2 0 0 0 0 0 88 57 102 -66 -61 114 -4 60 0 -91 91 -69 116 -105 86 -66 -15 -64 60 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 0 0 0 11 0 0 0 1 78 0 0 6 0 0 0 -89 -13 49 0 0 0 0 0 -94 0 0 0 0 0 0 0 88 57 102 -66 -61 114 -4 60 -64 75 -116 59 102 104 94 -66 41 125 29 61 0 53 67 60 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 0 0 0 11 0 0 0 1 78 0 0 30 0 0 0 73 -12 49 0 0 0 0 0 42 3 0 0 0 0 0 0 88 57 102 -66 41 125 29 61 0 -91 91 -69 102 104 94 -66 -15 -64 60 61 -64 75 -116 59 0 0 0 0 0 0 0 0 Buffer size: 1024 bytes Read size: 1024 bytes zsh: bus error ./file_streaming_server dev-telemetry@telemetry build % Above I'm printing the buffer's content and size I'm trying to stream to the Swift client. And here's the server code: #include <iostream> #include <memory> #include <string> #include <fstream> #include <dirent.h> #include <algorithm> #include <grpc/grpc.h> #include <grpcpp/security/server_credentials.h> #include <grpcpp/ext/proto_server_reflection_plugin.h> #include <grpcpp/server.h> #include <grpcpp/server_builder.h> #include <grpcpp/server_context.h> #include "file_streaming.grpc.pb.h" using grpc::CallbackServerContext; using grpc::Server; using grpc::ServerUnaryReactor; using grpc::ServerBuilder; using grpc::ServerContext; using grpc::ServerReader; using grpc::ServerReaderWriter; using grpc::ServerWriter; using grpc::Status; class FileStreamingImpl final : public Illuscio::FileStreaming::CallbackService { public: grpc::ServerWriteReactor<Illuscio::FileChunk>* GetFile(grpc::CallbackServerContext* context, const Illuscio::FileRequest* request) override { class FileSplitter : public grpc::ServerWriteReactor<Illuscio::FileChunk> { private: const int chunk_size = 1024; char buffer[1024]; std::ifstream file; // public: FileSplitter(const std::string& file_path) : file(file_path, std::ios::binary) { try { if (!file) { Finish(grpc::Status(grpc::StatusCode::INTERNAL, "Error opening file")); return; } NextWrite(); } catch (const std::exception& ex) { Finish(grpc::Status(grpc::StatusCode::INTERNAL, ex.what())); } } // void OnDone() override { delete this; } void OnWriteDone(bool /*ok*/) override { std::cout << "Another write..." << std::endl; NextWrite(); } private: void NextWrite() { file.read(buffer, chunk_size); const int read_size = static_cast<int>(file.gcount()); if (read_size > 0) { Illuscio::FileChunk chunk; chunk.set_chunk_data(buffer, read_size); std::cout << "Buffer contents: "; // for (int i = 0; i < read_size; ++i) { std::cout << static_cast<int>(buffer[i]) << " "; } std::cout << std::endl; std::cout << "Buffer size: " << sizeof(buffer) << " bytes" << std::endl; std::cout << "Read size: " << read_size << " bytes" << std::endl; // StartWrite(&chunk); } else { // All data has been sent, finish the stream Finish(grpc::Status::OK); } } }; return new FileSplitter(request->file_path()); } ....... I have tried with several buffer sizes from 1024 bytes to 1MB, but still getting the "Bus error" message. Any thoughts? Thanks in advance. -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/5edbaedb-681d-44a3-ba1f-8e8d0c896b69n%40googlegroups.com.