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/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
Licensed 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. */
#pragma once
#include <sys/stat.h>
#include <cstdio>
#include <fstream>
#include <string>
#include <typeindex>
#include <unordered_map>
#include <vector>
#include "paddle/fluid/framework/framework.pb.h"
#include "paddle/fluid/framework/scope.h"
#include "paddle/fluid/framework/variable.h"
#include "paddle/fluid/platform/enforce.h"
namespace paddle {
namespace inference {
namespace analysis {
template <typename T>
void SetAttr(framework::proto::OpDesc *op, const std::string &name,
const T &data);
template <typename Vec>
int AccuDims(Vec &&vec, int size) {
int res = 1;
for (int i = 0; i < size; i++) {
res *= std::forward<Vec>(vec)[i];
}
return res;
}
#define SET_TYPE(type__) dic_[std::type_index(typeid(type__))] = #type__;
/*
* Map typeid to representation.
*/
struct DataTypeNamer {
static const DataTypeNamer &Global() {
static auto *x = new DataTypeNamer();
return *x;
}
template <typename T>
const std::string &repr() const {
auto x = std::type_index(typeid(T));
PADDLE_ENFORCE(dic_.count(x), "unknown type for representation");
return dic_.at(x);
}
const std::string &repr(const std::type_index &type) const { // NOLINT
PADDLE_ENFORCE(dic_.count(type), "unknown type for representation");
return dic_.at(type);
}
private:
DataTypeNamer() {
SET_TYPE(int);
SET_TYPE(bool);
SET_TYPE(float);
SET_TYPE(void *);
}
std::unordered_map<std::type_index, std::string> dic_;
};
#undef SET_TYPE
template <typename IteratorT>
class iterator_range {
IteratorT begin_, end_;
public:
template <typename Container>
explicit iterator_range(Container &&c) : begin_(c.begin()), end_(c.end()) {}
iterator_range(const IteratorT &begin, const IteratorT &end)
: begin_(begin), end_(end) {}
const IteratorT &begin() const { return begin_; }
const IteratorT &end() const { return end_; }
};
/*
* An registry helper class, with its records keeps the order they registers.
*/
template <typename T>
class OrderedRegistry {
public:
T *Register(const std::string &name, T *x) {
PADDLE_ENFORCE(!dic_.count(name), "duplicate key [%s]", name);
dic_[name] = data_.size();
data_.emplace_back(std::unique_ptr<T>(x));
return data_.back().get();
}
T *Lookup(const std::string &name) {
auto it = dic_.find(name);
if (it == dic_.end()) return nullptr;
return data_[it->second].get();
}
protected:
std::unordered_map<std::string, int> dic_;
std::vector<std::unique_ptr<T>> data_;
};
template <typename T>
T &GetFromScope(const framework::Scope &scope, const std::string &name) {
framework::Variable *var = scope.FindVar(name);
PADDLE_ENFORCE(var != nullptr);
return *var->GetMutable<T>();
}
static void ExecShellCommand(const std::string &cmd, std::string *message) {
char buffer[128];
std::shared_ptr<FILE> pipe(popen(cmd.c_str(), "r"), pclose);
if (!pipe) {
LOG(ERROR) << "error running command: " << cmd;
return;
}
while (!feof(pipe.get())) {
if (fgets(buffer, 128, pipe.get()) != nullptr) {
*message += buffer;
}
}
}
static framework::proto::ProgramDesc LoadProgramDesc(
const std::string &model_path) {
std::ifstream fin(model_path, std::ios::in | std::ios::binary);
PADDLE_ENFORCE(fin.is_open(), "Cannot open file %s", model_path);
fin.seekg(0, std::ios::end);
std::string buffer(fin.tellg(), ' ');
fin.seekg(0, std::ios::beg);
fin.read(&buffer[0], buffer.size());
fin.close();
framework::proto::ProgramDesc program_desc;
program_desc.ParseFromString(buffer);
return program_desc;
}
static bool FileExists(const std::string &filepath) {
std::ifstream file(filepath);
bool exists = file.is_open();
file.close();
return exists;
}
static bool PathExists(const std::string &path) {
struct stat statbuf;
if (stat(path.c_str(), &statbuf) != -1) {
if (S_ISDIR(statbuf.st_mode)) {
return true;
}
}
return false;
}
} // namespace analysis
} // namespace inference
} // namespace paddle
#define PADDLE_DISALLOW_COPY_AND_ASSIGN(type__) \
type__(const type__ &) = delete; \
void operator=(const type__ &) = delete;