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/*
* SRT - Secure, Reliable, Transport
* Copyright (c) 2018 Haivision Systems Inc.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#ifndef INC_SRT_COMMON_TRANMITBASE_HPP
#define INC_SRT_COMMON_TRANMITBASE_HPP
#include <string>
#include <memory>
#include <vector>
#include <iostream>
#include <stdexcept>
#include "sync.h"
#include "uriparser.hpp"
typedef std::vector<char> bytevector;
extern srt::sync::atomic<bool> transmit_throw_on_interrupt;
extern int transmit_bw_report;
extern unsigned transmit_stats_report;
extern size_t transmit_chunk_size;
extern bool transmit_printformat_json;
extern bool transmit_use_sourcetime;
extern int transmit_retry_connect;
extern bool transmit_retry_always;
struct MediaPacket
{
bytevector payload;
int64_t time = 0;
MediaPacket(bytevector&& src): payload(std::move(src)) {}
MediaPacket(bytevector&& src, int64_t stime): payload(std::move(src)), time(stime) {}
MediaPacket(const bytevector& src): payload(src) {}
MediaPacket(const bytevector& src, int64_t stime): payload(src), time(stime) {}
MediaPacket() {}
};
class Location
{
public:
UriParser uri;
Location() {}
virtual bool IsOpen() = 0;
virtual void Close() {}
};
class Source: public virtual Location
{
public:
virtual MediaPacket Read(size_t chunk) = 0;
virtual bool End() = 0;
static std::unique_ptr<Source> Create(const std::string& url);
virtual ~Source() {}
class ReadEOF: public std::runtime_error
{
public:
ReadEOF(const std::string& fn): std::runtime_error( "EOF while reading file: " + fn )
{
}
};
};
class Target: public virtual Location
{
public:
virtual void Write(const MediaPacket& portion) = 0;
virtual bool Broken() = 0;
virtual size_t Still() { return 0; }
static std::unique_ptr<Target> Create(const std::string& url);
virtual ~Target() {}
};
class Relay: public virtual Source, public virtual Target, public virtual Location
{
public:
static std::unique_ptr<Relay> Create(const std::string& url);
virtual ~Relay() {}
};
#endif
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