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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/.
*
*/
#include "socketoptions.hpp"
#include "verbose.hpp"
using namespace std;
extern const set<string> true_names = { "1", "yes", "on", "true" };
extern const set<string> false_names = { "0", "no", "off", "false" };
extern const std::map<std::string, int> enummap_transtype = {
{ "live", SRTT_LIVE },
{ "file", SRTT_FILE }
};
const char* const SocketOption::mode_names[3] = {
"listener", "caller", "rendezvous"
};
SocketOption::Mode SrtInterpretMode(const string& modestr, const string& host, const string& adapter)
{
SocketOption::Mode mode = SocketOption::FAILURE;
if (modestr == "client" || modestr == "caller")
{
mode = SocketOption::CALLER;
}
else if (modestr == "server" || modestr == "listener")
{
mode = SocketOption::LISTENER;
}
else if (modestr == "rendezvous")
{
mode = SocketOption::RENDEZVOUS;
}
else if (modestr == "default")
{
// Use the following convention:
// 1. Server for source, Client for target
// 2. If host is empty, then always server.
if ( host == "" )
mode = SocketOption::LISTENER;
//else if ( !dir_output )
//mode = "server";
else
{
// Host is given, so check also "adapter"
if (adapter != "")
mode = SocketOption::RENDEZVOUS;
else
mode = SocketOption::CALLER;
}
}
else
{
mode = SocketOption::FAILURE;
}
return mode;
}
SocketOption::Mode SrtConfigurePre(SRTSOCKET socket, string host, map<string, string> options, vector<string>* failures)
{
vector<string> dummy;
vector<string>& fails = failures ? *failures : dummy;
string modestr = "default", adapter;
if (options.count("mode"))
{
modestr = options["mode"];
}
if (options.count("adapter"))
{
adapter = options["adapter"];
}
SocketOption::Mode mode = SrtInterpretMode(modestr, host, adapter);
if (mode == SocketOption::FAILURE)
{
fails.push_back("mode");
}
if (options.count("linger"))
{
linger lin;
lin.l_linger = stoi(options["linger"]);
lin.l_onoff = lin.l_linger > 0 ? 1 : 0;
srt_setsockopt(socket, SocketOption::PRE, SRTO_LINGER, &lin, sizeof(linger));
}
bool all_clear = true;
for (const auto &o: srt_options)
{
if ( o.binding == SocketOption::PRE && options.count(o.name) )
{
string value = options.at(o.name);
bool ok = o.apply<SocketOption::SRT>(socket, value);
if ( !ok )
{
fails.push_back(o.name);
all_clear = false;
}
}
}
return all_clear ? mode : SocketOption::FAILURE;
}
void SrtConfigurePost(SRTSOCKET socket, map<string, string> options, vector<string>* failures)
{
vector<string> dummy;
vector<string>& fails = failures ? *failures : dummy;
for (const auto &o: srt_options)
{
if ( o.binding == SocketOption::POST && options.count(o.name) )
{
string value = options.at(o.name);
Verb() << "Setting option: " << o.name << " = " << value;
bool ok = o.apply<SocketOption::SRT>(socket, value);
if ( !ok )
fails.push_back(o.name);
}
}
}
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