Rivendellaudio/ripcd/swauthority.cpp
Fred Gleason 095ae09138 2020-04-14 Fred Gleason <fredg@paravelsystems.com>
* Added debug syslog messages to the 'Software Authority' driver
	in ripcd(8).
2020-04-14 10:28:24 -04:00

500 lines
13 KiB
C++

// swauthority.cpp
//
// A Rivendell switcher driver for systems using Software Authority Protocol
//
// (C) Copyright 2002-2020 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include <stdlib.h>
#include <syslog.h>
#include <qstringlist.h>
#include <rdapplication.h>
#include <rdescape_string.h>
#include "globals.h"
#include "swauthority.h"
SoftwareAuthority::SoftwareAuthority(RDMatrix *matrix,QObject *parent)
: Switcher(matrix,parent)
{
swa_matrix=matrix->matrix();
swa_ptr=0;
swa_istate=0;
//
// Get Matrix Parameters
//
swa_username=matrix->username(RDMatrix::Primary);
swa_password=matrix->password(RDMatrix::Primary);
swa_porttype=matrix->portType(RDMatrix::Primary);
swa_ipaddress=matrix->ipAddress(RDMatrix::Primary);
swa_ipport=matrix->ipPort(RDMatrix::Primary);
swa_card=matrix->card();
swa_inputs=0;
swa_outputs=0;
swa_gpis=0;
swa_gpos=0;
swa_start_cart=matrix->startCart(RDMatrix::Primary);
swa_stop_cart=matrix->stopCart(RDMatrix::Primary);
swa_is_gpio=false;
rda->syslog(LOG_DEBUG,"%p - card: %d\n",this,swa_card);
//
// Reconnection Timer
//
swa_reconnect_timer=new QTimer(this);
connect(swa_reconnect_timer,SIGNAL(timeout()),this,SLOT(ipConnect()));
//
// Initialize the connection
//
swa_socket=new QTcpSocket(this);
connect(swa_socket,SIGNAL(connected()),this,SLOT(connectedData()));
connect(swa_socket,SIGNAL(connectionClosed()),
this,SLOT(connectionClosedData()));
connect(swa_socket,SIGNAL(readyRead()),
this,SLOT(readyReadData()));
connect(swa_socket,SIGNAL(error(QAbstractSocket::SocketError)),
this,SLOT(errorData(QAbstractSocket::SocketError)));
ipConnect();
}
RDMatrix::Type SoftwareAuthority::type()
{
return RDMatrix::SoftwareAuthority;
}
unsigned SoftwareAuthority::gpiQuantity()
{
return swa_gpis;
}
unsigned SoftwareAuthority::gpoQuantity()
{
return swa_gpos;
}
bool SoftwareAuthority::primaryTtyActive()
{
return false;
}
bool SoftwareAuthority::secondaryTtyActive()
{
return false;
}
void SoftwareAuthority::processCommand(RDMacro *cmd)
{
QString str;
switch(cmd->command()) {
case RDMacro::ST:
if((cmd->arg(1).toInt()<0)||(cmd->arg(1).toInt()>swa_inputs)||
(cmd->arg(2).toInt()<1)||(cmd->arg(2).toInt()>swa_outputs)) {
cmd->acknowledge(false);
emit rmlEcho(cmd);
return;
}
SendCommand(QString().sprintf("activateroute %d %d %d",swa_card,
cmd->arg(2).toInt(),cmd->arg(1).toInt()));
cmd->acknowledge(true);
emit rmlEcho(cmd);
break;
case RDMacro::GO:
if(((cmd->arg(1).lower()!="i")&&
(cmd->arg(1).lower()!="o"))||
(cmd->arg(2).toInt()<1)||(cmd->arg(2).toInt()>swa_gpos)) {
cmd->acknowledge(false);
emit rmlEcho(cmd);
return;
}
if(cmd->arg(1).lower()=="i") {
str="triggergpi";
}
else {
str="triggergpo";
}
str+=QString().sprintf(" %d",swa_card);
str+=QString().sprintf(" %d ",
1+(cmd->arg(2).toInt()-1)/RD_LIVEWIRE_GPIO_BUNDLE_SIZE);
str+=BundleString((cmd->arg(2).toInt()-1)%RD_LIVEWIRE_GPIO_BUNDLE_SIZE,
cmd->arg(3).toInt()!=0);
if(cmd->arg(4).toInt()>0) { // Momentary
str+=QString().sprintf(" %d",cmd->arg(4).toInt());
}
SendCommand(str);
break;
default:
cmd->acknowledge(false);
emit rmlEcho(cmd);
break;
}
}
void SoftwareAuthority::ipConnect()
{
rda->syslog(LOG_DEBUG,"%p - connecting to %s:%d",this,
swa_ipaddress.toString().toUtf8().constData(),swa_ipport);
swa_socket->connectToHost(swa_ipaddress.toString(),swa_ipport);
}
void SoftwareAuthority::connectedData()
{
SendCommand(QString("login")+" "+swa_username+" "+swa_password);
}
void SoftwareAuthority::connectionClosedData()
{
rda->syslog(LOG_WARNING,
"connection to SoftwareAuthority device at %s:%d closed unexpectedly, attempting reconnect",
(const char *)swa_ipaddress.toString().toUtf8(),
swa_ipport);
if(swa_stop_cart>0) {
ExecuteMacroCart(swa_stop_cart);
}
swa_reconnect_timer->start(SWAUTHORITY_RECONNECT_INTERVAL,true);
}
void SoftwareAuthority::readyReadData()
{
char buffer[256];
unsigned n;
while((n=swa_socket->readBlock(buffer,255))>0) {
buffer[n]=0;
/// printf("RECV: %s\n",buffer);
for(unsigned i=0;i<n;i++) {
if(buffer[i]==10) { // End of line
swa_buffer[--swa_ptr]=0;
DispatchCommand();
swa_ptr=0;
}
else {
if(swa_ptr==SWAUTHORITY_MAX_LENGTH) { // Buffer overflow
swa_ptr=0;
}
swa_buffer[swa_ptr++]=buffer[i];
}
}
}
}
void SoftwareAuthority::errorData(QAbstractSocket::SocketError err)
{
switch(err) {
case QAbstractSocket::ConnectionRefusedError:
rda->syslog(LOG_WARNING,
"connection to SoftwareAuthority device at %s:%d refused, attempting reconnect",
(const char *)swa_ipaddress.toString().toUtf8(),
swa_ipport);
swa_reconnect_timer->start(SWAUTHORITY_RECONNECT_INTERVAL,true);
break;
case QAbstractSocket::HostNotFoundError:
rda->syslog(LOG_WARNING,
"error on connection to SoftwareAuthority device at %s:%d: Host Not Found",
(const char *)swa_ipaddress.toString().toUtf8(),
swa_ipport);
break;
default:
rda->syslog(LOG_WARNING,
"error %d on connection to SoftwareAuthority device at %s:%d",
err,
(const char *)swa_ipaddress.toString().toUtf8(),
swa_ipport);
break;
}
}
void SoftwareAuthority::SendCommand(const char *str)
{
// LogLine(RDConfig::LogDebug,QString().sprintf("sending SA cmd: %s",(const char *)PrettifyCommand(str)));
rda->syslog(LOG_DEBUG,"%p - sending \"%s\"",this,str);
QString cmd=QString().sprintf("%s\x0d\x0a",(const char *)str);
swa_socket->writeBlock((const char *)cmd,strlen(cmd));
}
void SoftwareAuthority::DispatchCommand()
{
char buffer[SWAUTHORITY_MAX_LENGTH];
QString cmd;
QString label;
QString sql;
RDSqlQuery *q;
QStringList f0;
QString name;
// LogLine(RDConfig::LogNotice,QString().sprintf("RECEIVED: %s",(const char *)swa_buffer));
QString line_in=swa_buffer;
QString section=line_in.lower().replace(">>","");
rda->syslog(LOG_DEBUG,"%p - received \"%s\"",this,
section.toUtf8().constData());
//
// Startup Sequence. Get initial GPIO states and the input and output lists.
//
if(section=="login successful") {
swa_inputs=0;
swa_outputs=0;
swa_gpis=0;
swa_gpos=0;
swa_is_gpio=false;
sprintf(buffer,"gpistat %d\x0D\x0A",swa_card); // Request GPI States
SendCommand(buffer);
sprintf(buffer,"gpostat %d\x0D\x0A",swa_card); // Request GPO States
SendCommand(buffer);
sprintf(buffer,"sourcenames %d\x0D\x0A",swa_card); // Request Input List
SendCommand(buffer);
sprintf(buffer,"destnames %d\x0D\x0A",swa_card); // Request Output List
SendCommand(buffer);
return;
}
if(section=="login failure") {
rda->syslog(LOG_WARNING,
"error on connection to SoftwareAuthority device at %s:%d: Login Failure",
(const char *)swa_ipaddress.toString().toUtf8(),
swa_ipport);
swa_socket->close();
return;
}
switch(swa_istate) {
case 0: // No section selected
if(section==QString().sprintf("begin sourcenames - %d",swa_card)) {
swa_istate=1;
swa_inputs=0;
return;
}
if(section==QString().sprintf("begin destnames - %d",swa_card)) {
swa_istate=2;
swa_outputs=0;
return;
}
break;
case 1: // Source List
if(section==QString().sprintf("end sourcenames - %d",swa_card)) {
//
// Write Sources Data
//
swa_istate=0;
if(swa_is_gpio) {
swa_gpis=swa_inputs*RD_LIVEWIRE_GPIO_BUNDLE_SIZE;
}
sql=QString("update MATRICES set ")+
QString().sprintf("INPUTS=%d,",swa_inputs)+
QString().sprintf("GPIS=%d ",swa_gpis)+
"where (STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\")&&"+
QString().sprintf("(MATRIX=%d)",swa_matrix);
q=new RDSqlQuery(sql);
delete q;
return;
}
f0=line_in.split("\t",QString::KeepEmptyParts);
name=f0[1];
if(f0.size()>=7) {
name=f0[6]+": "+f0[2];
}
sql=QString("select NUMBER from INPUTS where ")+
"(STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\")&&"+
QString().sprintf("(MATRIX=%d)&&",swa_matrix)+
QString().sprintf("(NUMBER=%d)",f0[0].toInt());
q=new RDSqlQuery(sql);
if(q->first()) {
sql=QString("update INPUTS set ")+
"NAME=\""+RDEscapeString(name)+"\" where "+
"(STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\")&&"+
QString().sprintf("(MATRIX=%d)&&",swa_matrix)+
QString().sprintf("(NUMBER=%d)",f0[0].toInt());
}
else {
sql=QString("insert into INPUTS set ")+
"NAME=\""+RDEscapeString(name)+"\","+
"STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\","+
QString().sprintf("MATRIX=%d,",swa_matrix)+
QString().sprintf("NUMBER=%d",f0[0].toInt());
}
if(f0[0].toInt()>swa_inputs) {
swa_inputs=f0[0].toInt();
}
delete q;
q=new RDSqlQuery(sql);
delete q;
break;
case 2: // Destinations List
if(section==QString().sprintf("end destnames - %d",swa_card)) {
//
// Write Destinations Data
//
swa_istate=0;
if(swa_is_gpio) {
swa_gpos=swa_outputs*RD_LIVEWIRE_GPIO_BUNDLE_SIZE;
}
sql=QString("update MATRICES set ")+
QString().sprintf("OUTPUTS=%d,",swa_outputs)+
QString().sprintf("GPOS=%d ",swa_gpos)+
"where (STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\")&&"+
QString().sprintf("(MATRIX=%d)",swa_matrix);
q=new RDSqlQuery(sql);
delete q;
rda->syslog(LOG_INFO,
"connection to SoftwareAuthority device at %s:%d established",
(const char *)swa_ipaddress.toString().toUtf8(),
swa_ipport);
if(swa_start_cart>0) {
ExecuteMacroCart(swa_start_cart);
}
return;
}
f0=line_in.split("\t",QString::KeepEmptyParts);
name=f0[1];
if(f0.size()>=6) {
name=f0[3]+"/"+f0[5]+": "+f0[2];
}
sql=QString("select NUMBER from OUTPUTS where ")+
"(STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\")&&"+
QString().sprintf("(MATRIX=%d)&&",swa_matrix)+
QString().sprintf("(NUMBER=%d)",f0[0].toInt());
q=new RDSqlQuery(sql);
if(q->first()) {
sql=QString("update OUTPUTS set ")+
"NAME=\""+RDEscapeString(name)+"\" where "+
"(STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\")&&"+
QString().sprintf("(MATRIX=%d)&&",swa_matrix)+
QString().sprintf("(NUMBER=%d)",f0[0].toInt());
}
else {
sql=QString("insert into OUTPUTS set ")+
"NAME=\""+RDEscapeString(name)+"\","+
"STATION_NAME=\""+RDEscapeString(rda->station()->name())+"\","+
QString().sprintf("MATRIX=%d,",swa_matrix)+
QString().sprintf("NUMBER=%d",f0[0].toInt());
}
if(f0[0].toInt()>swa_outputs) {
swa_outputs=f0[0].toInt();
}
delete q;
q=new RDSqlQuery(sql);
delete q;
break;
}
//
// GPIO State Parser
//
f0=section.split(" ");
if((f0.size()==4)&&(f0[0].lower()=="gpistat")&&(f0[1].toInt()==swa_card)) {
if(swa_gpi_states[f0[2].toInt()].isEmpty()) {
swa_gpi_states[f0[2].toInt()]=f0[3];
}
else {
for(unsigned i=0;i<RD_LIVEWIRE_GPIO_BUNDLE_SIZE;i++) {
int gpi=(f0[2].toInt()-1)*RD_LIVEWIRE_GPIO_BUNDLE_SIZE+i;
if(f0[3].at(i)!=swa_gpi_states[f0[2].toInt()].at(i)) {
emit gpiChanged(swa_matrix,gpi,f0[3].at(i)=='l');
}
}
swa_gpi_states[f0[2].toInt()]=f0[3];
}
swa_is_gpio=true;
}
if((f0.size()==4)&&(f0[0].lower()=="gpostat")&&(f0[1].toInt()==swa_card)) {
if(swa_gpo_states[f0[2].toInt()].isEmpty()) {
swa_gpo_states[f0[2].toInt()]=f0[3];
}
else {
for(unsigned i=0;i<RD_LIVEWIRE_GPIO_BUNDLE_SIZE;i++) {
int gpo=(f0[2].toInt()-1)*RD_LIVEWIRE_GPIO_BUNDLE_SIZE+i;
if(f0[3].at(i)!=swa_gpo_states[f0[2].toInt()].at(i)) {
emit gpoChanged(swa_matrix,gpo,f0[3].at(i)=='l');
}
}
swa_gpo_states[f0[2].toInt()]=f0[3];
}
swa_is_gpio=true;
}
}
void SoftwareAuthority::ExecuteMacroCart(unsigned cartnum)
{
RDMacro rml;
rml.setRole(RDMacro::Cmd);
rml.setCommand(RDMacro::EX);
rml.setAddress(rda->station()->address());
rml.setEchoRequested(false);
rml.addArg(cartnum);
emit rmlEcho(&rml);
}
QString SoftwareAuthority::PrettifyCommand(const char *cmd) const
{
QString ret;
if(cmd[0]<26) {
ret=QString().sprintf("^%c%s",'@'+cmd[0],cmd+1);
}
else {
ret=cmd;
}
return ret;
}
QString SoftwareAuthority::BundleString(int offset,bool state)
{
QString ret="";
for(int i=0;i<RD_LIVEWIRE_GPIO_BUNDLE_SIZE;i++) {
if(i==offset) {
if(state) {
ret+="l";
}
else {
ret+="h";
}
}
else {
ret+="x";
}
}
return ret;
}