ResponseBody.hpp

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#pragma once
 
#include <aio.h>
#include <string>
 
namespace http {

class IResponseBody {
public:
    IResponseBody() {}
    virtual ~IResponseBody() {}

    virtual ssize_t read(char *buffer, size_t size) = 0;

    virtual size_t size() const = 0;

    virtual bool isDone() const = 0;

    virtual int getEventSourceFd() const;

    virtual bool hasHeaderParsing() const;
 
private:
    IResponseBody(IResponseBody const &);
    IResponseBody const &operator=(IResponseBody const &);
};
 
class FileBody : public IResponseBody {
public:
    explicit FileBody(std::string const &fpath);
    ~FileBody();
 
    ssize_t read(char *buffer, size_t size);
    size_t size() const;
    bool isDone() const;
 
private:
    int fd_;
    size_t size_;
    size_t sent_;
};
 
class BodyInMemory : public IResponseBody {
public:
    explicit BodyInMemory(std::string const &);
 
    ssize_t read(char *buffer, size_t size);
    size_t size() const;
    bool isDone() const;
 
private:
    std::string body_;
    size_t bytesRead_;
};
 
class BodyFromCgi : public IResponseBody {
public:
    BodyFromCgi(int pipeFd, bool hasHeaderParsing);
    ~BodyFromCgi();
    ssize_t read(char *buffer, size_t size);
    size_t size() const;
    bool isDone() const;
    int getEventSourceFd() const;
    bool hasHeaderParsing() const;
 
private:
    BodyFromCgi();
    int fd_;
    bool isDone_;
    bool hasHeaderParsing_;
};
 
} // namespace http