mistserver/DDV_Controller/main.cpp

585 lines
23 KiB
C++

#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#include <map>
#include <set>
#include <cstdlib>
#include <queue>
#include <cmath>
#include <ctime>
#include <cstdio>
#include <climits>
#include <cstring>
#include <unistd.h>
#include <getopt.h>
#include <set>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <signal.h>
#include <sstream>
#include "../util/socket.h"
#include "../util/http_parser.h"
#include "../util/md5.h"
#include "../util/json/json.h"
#include "../util/util.h"
#include <openssl/rsa.h>
#include <openssl/x509.h>
#define UPLINK_INTERVAL 30
Socket::Server API_Socket; ///< Main connection socket.
std::map<std::string, int> lastBuffer; ///< Last moment of contact with all buffers.
/// Basic signal handler. Disconnects the server_socket if it receives
/// a SIGINT, SIGHUP or SIGTERM signal, but does nothing for SIGPIPE.
/// Disconnecting the server_socket will terminate the main listening loop
/// and cleanly shut down the process.
void signal_handler (int signum){
switch (signum){
case SIGINT:
#if DEBUG >= 1
fprintf(stderr, "Received SIGINT - closing server socket.\n");
#endif
break;
case SIGHUP:
#if DEBUG >= 1
fprintf(stderr, "Received SIGHUP - closing server socket.\n");
#endif
break;
case SIGTERM:
#if DEBUG >= 1
fprintf(stderr, "Received SIGTERM - closing server socket.\n");
#endif
break;
default: return; break;
}
API_Socket.close();
}//signal_handler
/// Needed for base64_encode function
static const std::string base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
/// Helper for base64_decode function
static inline bool is_base64(unsigned char c) {
return (isalnum(c) || (c == '+') || (c == '/'));
}
/// Used to base64 encode data. Input is the plaintext as std::string, output is the encoded data as std::string.
/// \param input Plaintext data to encode.
/// \returns Base64 encoded data.
std::string base64_encode(std::string const input) {
std::string ret;
unsigned int in_len = input.size();
char quad[4], triple[3];
unsigned int i, x, n = 3;
for (x = 0; x < in_len; x = x + 3){
if ((in_len - x) / 3 == 0){n = (in_len - x) % 3;}
for (i=0; i < 3; i++){triple[i] = '0';}
for (i=0; i < n; i++){triple[i] = input[x + i];}
quad[0] = base64_chars[(triple[0] & 0xFC) >> 2]; // FC = 11111100
quad[1] = base64_chars[((triple[0] & 0x03) << 4) | ((triple[1] & 0xF0) >> 4)]; // 03 = 11
quad[2] = base64_chars[((triple[1] & 0x0F) << 2) | ((triple[2] & 0xC0) >> 6)]; // 0F = 1111, C0=11110
quad[3] = base64_chars[triple[2] & 0x3F]; // 3F = 111111
if (n < 3){quad[3] = '=';}
if (n < 2){quad[2] = '=';}
for(i=0; i < 4; i++){ret += quad[i];}
}
return ret;
}//base64_encode
/// Used to base64 decode data. Input is the encoded data as std::string, output is the plaintext data as std::string.
/// \param input Base64 encoded data to decode.
/// \returns Plaintext decoded data.
std::string base64_decode(std::string const& encoded_string) {
int in_len = encoded_string.size();
int i = 0;
int j = 0;
int in_ = 0;
unsigned char char_array_4[4], char_array_3[3];
std::string ret;
while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
char_array_4[i++] = encoded_string[in_]; in_++;
if (i ==4) {
for (i = 0; i <4; i++){char_array_4[i] = base64_chars.find(char_array_4[i]);}
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (i = 0; (i < 3); i++){ret += char_array_3[i];}
i = 0;
}
}
if (i) {
for (j = i; j <4; j++){char_array_4[j] = 0;}
for (j = 0; j <4; j++){char_array_4[j] = base64_chars.find(char_array_4[j]);}
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (j = 0; (j < i - 1); j++) ret += char_array_3[j];
}
return ret;
}
unsigned char __gbv2keypub_der[] = {
0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00,
0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xe5, 0xd7, 0x9c,
0x7d, 0x73, 0xc6, 0xe6, 0xfb, 0x35, 0x7e, 0xd7, 0x57, 0x99, 0x07, 0xdb,
0x99, 0x70, 0xc9, 0xd0, 0x3e, 0x53, 0x57, 0x3c, 0x1e, 0x55, 0xda, 0x0f,
0x69, 0xbf, 0x26, 0x79, 0xc7, 0xb6, 0xdd, 0x8e, 0x83, 0x32, 0x65, 0x74,
0x0d, 0x74, 0x48, 0x42, 0x49, 0x22, 0x52, 0x58, 0x56, 0xc3, 0xe4, 0x49,
0x5d, 0xac, 0x6a, 0x94, 0xb1, 0x64, 0x14, 0xbf, 0x4d, 0xd5, 0xd7, 0x3a,
0xca, 0x5c, 0x1e, 0x6f, 0x42, 0x30, 0xac, 0x29, 0xaa, 0xa0, 0x85, 0xd2,
0x16, 0xa2, 0x8e, 0x89, 0x12, 0xc4, 0x92, 0x06, 0xea, 0xed, 0x48, 0xf6,
0xdb, 0xed, 0x4f, 0x62, 0x6c, 0xfa, 0xcf, 0xc2, 0xb9, 0x8d, 0x04, 0xb2,
0xba, 0x63, 0xc9, 0xcc, 0xee, 0x23, 0x64, 0x46, 0x14, 0x12, 0xc8, 0x38,
0x67, 0x69, 0x6b, 0xaf, 0xd1, 0x7c, 0xb1, 0xb5, 0x79, 0xe4, 0x4e, 0x3a,
0xa7, 0xe8, 0x28, 0x89, 0x25, 0xc0, 0xd0, 0xd8, 0xc7, 0xd2, 0x26, 0xaa,
0xf5, 0xbf, 0x36, 0x55, 0x01, 0x89, 0x58, 0x1f, 0x1e, 0xf5, 0xa5, 0x42,
0x8f, 0x60, 0x2e, 0xc2, 0xd8, 0x21, 0x0b, 0x6c, 0x8d, 0xbb, 0x72, 0xf2,
0x19, 0x30, 0xe3, 0x4c, 0x3e, 0x80, 0xe7, 0xf2, 0xe3, 0x89, 0x4f, 0xd4,
0xee, 0x96, 0x3e, 0x4a, 0x9b, 0xe5, 0x16, 0x01, 0xf1, 0x98, 0xc9, 0x0b,
0xd6, 0xdf, 0x8a, 0x64, 0x47, 0xc4, 0x44, 0xcc, 0x92, 0x69, 0x28, 0xee,
0x7d, 0xac, 0xdc, 0x30, 0x56, 0x3a, 0xe7, 0xbc, 0xba, 0x45, 0x16, 0x2c,
0x4c, 0x46, 0x6b, 0x2b, 0x20, 0xfb, 0x3d, 0x20, 0x35, 0xbb, 0x48, 0x49,
0x13, 0x65, 0xc9, 0x9a, 0x38, 0x10, 0x84, 0x1a, 0x8c, 0xc9, 0xd7, 0xde,
0x07, 0x10, 0x5a, 0xfb, 0xb4, 0x95, 0xae, 0x18, 0xf2, 0xe3, 0x15, 0xe8,
0xad, 0x7e, 0xe5, 0x3c, 0xa8, 0x47, 0x85, 0xd6, 0x1f, 0x54, 0xb5, 0xa3,
0x79, 0x02, 0x03, 0x01, 0x00, 0x01
}; ///< The GBv2 public key file.
unsigned int __gbv2keypub_der_len = 294; ///< Length of GBv2 public key data
RSA * pubkey = 0; ///< Holds the public key.
/// Attempts to load the GBv2 public key.
void RSA_Load(){
const unsigned char * key = __gbv2keypub_der;
pubkey = d2i_RSAPublicKey(0, &key, __gbv2keypub_der_len);
}
/// Attempts to verify RSA signature using the public key loaded with RSA_Load().
/// Assumes basesign argument is base64 encoded RSA signature for data.
/// Returns true if the data could be verified, false otherwise.
bool RSA_check(std::string & data, std::string basesign){
std::string sign = base64_decode(basesign);
return (RSA_verify(NID_md5, (unsigned char*)data.c_str(), data.size(), (unsigned char*)sign.c_str(), sign.size(), pubkey) == 1);
}
Json::Value Storage = Json::Value(Json::objectValue); ///< Global storage of data.
void WriteFile( std::string Filename, std::string contents ) {
std::ofstream File;
File.open( Filename.c_str( ) );
File << contents << std::endl;
File.close( );
}
std::string ReadFile( std::string Filename ) {
std::string Result;
std::ifstream File;
File.open( Filename.c_str( ) );
while( File.good( ) ) { Result += File.get( ); }
File.close( );
return Result;
}
class ConnectedUser{
public:
std::string writebuffer;
Socket::Connection C;
HTTP::Parser H;
bool Authorized;
bool clientMode;
int logins;
std::string Username;
ConnectedUser(Socket::Connection c){
C = c;
H.Clean();
logins = 0;
Authorized = false;
clientMode = false;
}
};
void Log(std::string kind, std::string message){
Json::Value m;
m.append((Json::Value::UInt)time(0));
m.append(kind);
m.append(message);
Storage["log"].append(m);
std::cout << "[" << kind << "] " << message << std::endl;
}
void Authorize( Json::Value & Request, Json::Value & Response, ConnectedUser & conn ) {
time_t Time = time(0);
tm * TimeInfo = localtime(&Time);
std::stringstream Date;
std::string retval;
Date << TimeInfo->tm_mday << "-" << TimeInfo->tm_mon << "-" << TimeInfo->tm_year + 1900;
std::string Challenge = md5( Date.str().c_str() + conn.C.getHost() );
if( Request.isMember( "authorize" ) ) {
std::string UserID = Request["authorize"]["username"].asString();
if (Storage["account"].isMember(UserID)){
if( md5( Storage["account"][UserID]["password"].asString() + Challenge ) == Request["authorize"]["password"].asString() ) {
Response["authorize"]["status"] = "OK";
conn.Username = UserID;
conn.Authorized = true;
return;
}
}
if (Storage["authorize"].isMember("key")){
UserID = "gearbox";
if (RSA_check(Challenge, Storage["authorize"]["key"].asString())){
Response["authorize"]["status"] = "OK";
conn.Username = UserID;
conn.Authorized = true;
return;
}
}
if (UserID != ""){
Log("AUTH", "Failed login attempt "+UserID+" @ "+conn.C.getHost());
}
conn.logins++;
}
conn.Username = "";
conn.Authorized = false;
Response["authorize"]["status"] = "CHALL";
Response["authorize"]["challenge"] = Challenge;
return;
}
void CheckProtocols(Json::Value & p){
static std::map<std::string, std::string> connports;
bool seenHTTP = false;
bool seenRTMP = false;
std::string tmp;
for (Json::ValueIterator jit = p.begin(); jit != p.end(); jit++){
if (jit.memberName() == std::string("HTTP")){
tmp = p[jit.memberName()]["port"].asString();
seenHTTP = true;
if (connports["HTTP"] != tmp){Util::Procs::Stop("HTTP");}
connports["HTTP"] = tmp;
if (!Util::Procs::isActive("HTTP")){
Util::Procs::Start("HTTP", std::string("DDV_Conn_HTTP -n -p ")+tmp);
}
}
if (jit.memberName() == std::string("RTMP")){
tmp = p[jit.memberName()]["port"].asString();
seenRTMP = true;
if (connports["RTMP"] != tmp){Util::Procs::Stop("RTMP");}
connports["RTMP"] = tmp;
if (!Util::Procs::isActive("RTMP")){
Util::Procs::Start("RTMP", std::string("DDV_Conn_RTMP -n -p ")+tmp);
}
}
}
if (!seenHTTP){Util::Procs::Stop("HTTP");}
if (!seenRTMP){Util::Procs::Stop("RTMP");}
}
void CheckConfig(Json::Value & in, Json::Value & out){
if (in.isObject() && (in.size() > 0)){
for (Json::ValueIterator jit = in.begin(); jit != in.end(); jit++){
if (out.isObject() && out.isMember(jit.memberName())){
if (in[jit.memberName()] != out[jit.memberName()]){
Log("CONF", std::string("Updated configuration value ")+jit.memberName());
}
}else{
Log("CONF", std::string("New configuration value ")+jit.memberName());
}
}
if (out.isObject() && (out.size() > 0)){
for (Json::ValueIterator jit = out.begin(); jit != out.end(); jit++){
if (!in.isMember(jit.memberName())){
Log("CONF", std::string("Deleted configuration value ")+jit.memberName());
}
}
}
}
out = in;
out["version"] = TOSTRING(VERSION);
}
void startStream(std::string name, Json::Value & data){
Log("BUFF", "(re)starting stream buffer "+name);
std::string URL = data["channel"]["URL"].asString();
std::string preset = data["preset"]["cmd"].asString();
std::string cmd1, cmd2;
if (URL.substr(0, 4) == "push"){
std::string pusher = URL.substr(7);
cmd2 = "DDV_Buffer 500 "+name+" "+pusher;
Util::Procs::Start(name, cmd2);
}else{
cmd1 = "ffmpeg -re -async 2 -i "+URL+" "+preset+" -f flv -";
cmd2 = "DDV_Buffer 500 "+name;
Util::Procs::Start(name, cmd1, cmd2);
}
}
void CheckAllStreams(Json::Value & data){
unsigned int currTime = time(0);
for (Json::ValueIterator jit = data.begin(); jit != data.end(); jit++){
if (!Util::Procs::isActive(jit.memberName())){
startStream(jit.memberName(), data[jit.memberName()]);
}
if (currTime - lastBuffer[jit.memberName()] > 5){
data[jit.memberName()]["online"] = 0;
}else{
data[jit.memberName()]["online"] = 1;
}
}
}
void CheckStreams(Json::Value & in, Json::Value & out){
if (in.isObject() && (in.size() > 0)){
for (Json::ValueIterator jit = in.begin(); jit != in.end(); jit++){
if (out.isObject() && out.isMember(jit.memberName())){
if (in[jit.memberName()] != out[jit.memberName()]){
Log("STRM", std::string("Updated stream ")+jit.memberName());
Util::Procs::Stop(jit.memberName());
startStream(jit.memberName(), in[jit.memberName()]);
}
}else{
Log("STRM", std::string("New stream ")+jit.memberName());
startStream(jit.memberName(), in[jit.memberName()]);
}
}
}
if (out.isObject() && (out.size() > 0)){
for (Json::ValueIterator jit = out.begin(); jit != out.end(); jit++){
if (!in.isMember(jit.memberName())){
Log("STRM", std::string("Deleted stream ")+jit.memberName());
Util::Procs::Stop(jit.memberName());
}
}
}
out = in;
}
int main(int argc, char ** argv){
//setup signal handler
struct sigaction new_action;
new_action.sa_handler = signal_handler;
sigemptyset (&new_action.sa_mask);
new_action.sa_flags = 0;
sigaction(SIGINT, &new_action, NULL);
sigaction(SIGHUP, &new_action, NULL);
sigaction(SIGTERM, &new_action, NULL);
sigaction(SIGPIPE, &new_action, NULL);
RSA_Load(); // Load GearBox public key
Util::Config C;
C.confsection = "API";
C.parseArgs(argc, argv);
C.parseFile();
time_t lastuplink = 0;
time_t processchecker = 0;
API_Socket = Socket::Server(C.listen_port, C.interface, true);
Socket::Server Stats_Socket = Socket::Server("/tmp/ddv_statistics", true);
Util::setUser(C.username);
if (C.daemon_mode){
Util::Daemonize();
}
Socket::Connection Incoming;
std::vector< ConnectedUser > users;
std::vector<Socket::Connection> buffers;
Json::Value Request = Json::Value(Json::objectValue);
Json::Value Response = Json::Value(Json::objectValue);
Json::Reader JsonParse;
std::string jsonp;
ConnectedUser * uplink = 0;
JsonParse.parse(ReadFile("config.json"), Storage, false);
if (!Storage.isMember("config")){Storage["config"] = Json::Value(Json::objectValue);}
if (!Storage.isMember("log")){Storage["log"] = Json::Value(Json::arrayValue);}
if (!Storage.isMember("statistics")){Storage["statistics"] = Json::Value(Json::objectValue);}
while (API_Socket.connected()){
usleep(100000); //sleep for 100 ms - prevents 100% CPU time
if (time(0) - processchecker > 10){
processchecker = time(0);
CheckProtocols(Storage["config"]["protocols"]);
CheckAllStreams(Storage["streams"]);
}
if (time(0) - lastuplink > UPLINK_INTERVAL){
lastuplink = time(0);
bool gotUplink = false;
if (users.size() > 0){
for( std::vector< ConnectedUser >::iterator it = users.end() - 1; it >= users.begin(); it--) {
if (!it->C.connected()){
it->C.close();
users.erase(it);
break;
}
if (it->clientMode){uplink = &*it; gotUplink = true;}
}
}
if (!gotUplink){
Incoming = Socket::Connection("gearbox.ddvtech.com", 4242, true);
if (Incoming.connected()){
users.push_back(Incoming);
users.back().clientMode = true;
uplink = &users.back();
gotUplink = true;
}
}
if (gotUplink){
Response.clear(); //make sure no data leaks from previous requests
Response["config"] = Storage["config"];
Response["streams"] = Storage["streams"];
Response["log"] = Storage["log"];
Response["statistics"] = Storage["statistics"];
Response["now"] = (unsigned int)lastuplink;
uplink->H.Clean();
uplink->H.SetBody("command="+HTTP::Parser::urlencode(Response.toStyledString()));
uplink->H.BuildRequest();
uplink->writebuffer += uplink->H.BuildResponse("200", "OK");
uplink->H.Clean();
//Log("UPLK", "Sending server data to uplink.");
}else{
Log("UPLK", "Could not connect to uplink.");
}
}
Incoming = API_Socket.accept();
if (Incoming.connected()){users.push_back(Incoming);}
Incoming = Stats_Socket.accept();
if (Incoming.connected()){buffers.push_back(Incoming);}
if (buffers.size() > 0){
for( std::vector< Socket::Connection >::iterator it = buffers.end() - 1; it >= buffers.begin(); it--) {
if (!it->connected()){
it->close();
buffers.erase(it);
break;
}
it->spool();
if (it->Received() != ""){
size_t newlines = it->Received().find("\n\n");
while (newlines != std::string::npos){
if (JsonParse.parse(it->Received().substr(0, newlines), Request, false)){
if (Request.isMember("totals") && Request["totals"].isMember("buffer")){
std::string thisbuffer = Request["totals"]["buffer"].asString();
lastBuffer[thisbuffer] = time(0);
Storage["statistics"][thisbuffer]["curr"] = Request["curr"];
std::stringstream st;
st << Request["totals"]["now"].asUInt();
std::string nowstr = st.str();
Storage["statistics"][thisbuffer]["totals"][nowstr] = Request["totals"];
if (!Storage["statistics"][thisbuffer].isMember("log")){
Storage["statistics"][thisbuffer]["log"] = Json::Value(Json::arrayValue);
}
for (Json::ValueIterator jit = Request["log"].begin(); jit != Request["log"].end(); jit++){
Storage["statistics"][thisbuffer]["log"].append(Request["log"][jit.memberName()]);
}
}
}else{
Log("STAT", "Failed to parse stats info from buffer: "+it->Received().substr(0, newlines));
}
it->Received().erase(0, newlines+2);
newlines = it->Received().find("\n\n");
}
}
}
}
if (users.size() > 0){
for( std::vector< ConnectedUser >::iterator it = users.end() - 1; it >= users.begin(); it--) {
if (!it->C.connected() || it->logins > 3){
it->C.close();
users.erase(it);
break;
}
if (it->writebuffer != ""){
it->C.iwrite(it->writebuffer);
}
if (it->H.Read(it->C)){
Response.clear(); //make sure no data leaks from previous requests
if (it->clientMode){
// In clientMode, requests are reversed. These are connections we initiated to GearBox.
// They are assumed to be authorized, but authorization to gearbox is still done.
// This authorization uses the compiled-in username and password (account).
if (!JsonParse.parse(it->H.body, Request, false)){
Log("UPLK", "Failed to parse body JSON: "+it->H.body);
Response["authorize"]["status"] = "INVALID";
}else{
if (Request["authorize"]["status"] != "OK"){
if (Request["authorize"].isMember("challenge")){
it->logins++;
if (it->logins > 2){
Log("UPLK", "Max login attempts passed - dropping connection to uplink.");
it->C.close();
}else{
Response["config"] = Storage["config"];
Response["streams"] = Storage["streams"];
Response["log"] = Storage["log"];
Response["statistics"] = Storage["statistics"];
Response["authorize"]["username"] = TOSTRING(COMPILED_USERNAME);
Response["authorize"]["password"] = md5(TOSTRING(COMPILED_PASSWORD) + Request["authorize"]["challenge"].asString());
it->H.Clean();
it->H.SetBody("command="+HTTP::Parser::urlencode(Response.toStyledString()));
it->H.BuildRequest();
it->writebuffer += it->H.BuildResponse("200", "OK");
it->H.Clean();
Log("UPLK", "Attempting login to uplink.");
}
}
}else{
if (Request.isMember("config")){CheckConfig(Request["config"], Storage["config"]);}
if (Request.isMember("streams")){CheckStreams(Request["streams"], Storage["streams"]);}
if (Request.isMember("clearstatlogs")){
Storage["log"].clear();
Storage["statistics"].clear();
}
}
}
}else{
if (!JsonParse.parse(it->H.GetVar("command"), Request, false)){
Log("HTTP", "Failed to parse command JSON: "+it->H.GetVar("command"));
Response["authorize"]["status"] = "INVALID";
}else{
std::cout << "Request: " << Request.toStyledString() << std::endl;
Authorize(Request, Response, (*it));
if (it->Authorized){
//Parse config and streams from the request.
if (Request.isMember("config")){CheckConfig(Request["config"], Storage["config"]);}
if (Request.isMember("streams")){CheckStreams(Request["streams"], Storage["streams"]);}
//sent current configuration, no matter if it was changed or not
//Response["streams"] = Storage["streams"];
Response["config"] = Storage["config"];
Response["streams"] = Storage["streams"];
//add required data to the current unix time to the config, for syncing reasons
Response["config"]["time"] = (Json::Value::UInt)time(0);
if (!Response["config"].isMember("serverid")){Response["config"]["serverid"] = "";}
//sent any available logs and statistics
Response["log"] = Storage["log"];
Response["statistics"] = Storage["statistics"];
//clear log and statistics to prevent useless data transfer
Storage["log"].clear();
Storage["statistics"].clear();
}
}
jsonp = "";
if (it->H.GetVar("callback") != ""){jsonp = it->H.GetVar("callback");}
if (it->H.GetVar("jsonp") != ""){jsonp = it->H.GetVar("jsonp");}
it->H.Clean();
it->H.protocol = "HTTP/1.0";
it->H.SetHeader("Content-Type", "text/javascript");
if (jsonp == ""){
it->H.SetBody(Response.toStyledString()+"\n\n");
}else{
it->H.SetBody(jsonp+"("+Response.toStyledString()+");\n\n");
}
it->writebuffer += it->H.BuildResponse("200", "OK");
it->H.Clean();
}
}
}
}
}
Util::Procs::StopAll();
WriteFile("config.json", Storage.toStyledString());
std::cout << "Killed all processes, wrote config to disk. Exiting." << std::endl;
return 0;
}