rpc_server_env.cc 1.98 KB
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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

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/*!
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 * \file rpc_server_env.cc
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 * \brief Server environment of the RPC.
 */
#include <tvm/runtime/registry.h>
#include "../file_util.h"

namespace tvm {
namespace runtime {

std::string RPCGetPath(const std::string& name) {
  static const PackedFunc* f =
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      runtime::Registry::Get("tvm.rpc.server.workpath");
  CHECK(f != nullptr) << "require tvm.rpc.server.workpath";
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  return (*f)(name);
}

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TVM_REGISTER_GLOBAL("tvm.rpc.server.upload").
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set_body([](TVMArgs args, TVMRetValue *rv) {
    std::string file_name = RPCGetPath(args[0]);
    std::string data = args[1];
    SaveBinaryToFile(file_name, data);
  });

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TVM_REGISTER_GLOBAL("tvm.rpc.server.download")
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.set_body([](TVMArgs args, TVMRetValue *rv) {
    std::string file_name = RPCGetPath(args[0]);
    std::string data;
    LoadBinaryFromFile(file_name, &data);
    TVMByteArray arr;
    arr.data = data.c_str();
    arr.size = data.length();
    LOG(INFO) << "Download " << file_name << "... nbytes=" << arr.size;
    *rv = arr;
  });

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TVM_REGISTER_GLOBAL("tvm.rpc.server.remove")
.set_body([](TVMArgs args, TVMRetValue *rv) {
    std::string file_name = RPCGetPath(args[0]);
    RemoveFile(file_name);
  });

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}  // namespace runtime
}  // namespace tvm