From 5ab1be62e43875583eb2eda2f9a16f150009d850 Mon Sep 17 00:00:00 2001
From: Fred Gleason <fredg@paraelsystems.com>
Date: Mon, 5 Jun 2017 17:22:34 -0400
Subject: [PATCH] 2017-06-05 Fred Gleason <fredg@paravelsystems.com> 	*
 Added a 'Air Gate' ['AG'] RML.

---
 ChangeLog            |  2 ++
 docs/docbook/rml.xml | 27 +++++++++++++++++++++++++++
 lib/rdmacro.cpp      |  1 +
 lib/rdmacro.h        | 21 +++++++++++----------
 ripcd/ripcd.cpp      | 17 +++++++++++++++++
 5 files changed, 58 insertions(+), 10 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 98b547eb..635a8fb2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -15822,3 +15822,5 @@
 2017-06-05 Fred Gleason <fredg@paravelsystems.com>
 	* Modified the 'Command Send' ['CC'] RML so as to have a destination
 	argument of 'localhost' be sent to the localhost.
+2017-06-05 Fred Gleason <fredg@paravelsystems.com>
+	* Added a 'Air Gate' ['AG'] RML.
diff --git a/docs/docbook/rml.xml b/docs/docbook/rml.xml
index c25b9570..0655694a 100644
--- a/docs/docbook/rml.xml
+++ b/docs/docbook/rml.xml
@@ -181,6 +181,33 @@
 
 <sect1>
   <title>Commands</title>
+  <sect2>
+    <title><command>Air Gate [AG]</command></title>
+    <para>
+      <variablelist>
+	<varlistentry>
+	  <term>Module</term>
+	  <listitem><command>ripcd</command><manvolnum>8</manvolnum></listitem>
+	</varlistentry>
+	<varlistentry>
+	  <term>Mnemonic</term>
+	  <listitem><userinput>AG</userinput></listitem>
+	</varlistentry>
+      </variablelist>
+    </para>
+    <para>
+      Process an RML only if the On-Air flag is ON.
+    </para>
+    <para>
+      <userinput>AG</userinput>
+      <replaceable>rml</replaceable>!
+    </para>
+    <para>
+      Execute RML <replaceable>rml</replaceable> only if the On-Air flag on
+      the local machine is ON.
+    </para>
+  </sect2>
+
   <sect2>
     <title><command>Add Next [PX]</command></title>
     <para>
diff --git a/lib/rdmacro.cpp b/lib/rdmacro.cpp
index c18b0cb8..5e991711 100644
--- a/lib/rdmacro.cpp
+++ b/lib/rdmacro.cpp
@@ -161,6 +161,7 @@ bool RDMacro::parseString(const char *str,int n)
   //
   rml_cmd=(RDMacro::Command)((str[0]<<8)+str[1]);
   switch(rml_cmd) {
+      case RDMacro::AG:
       case RDMacro::AL:
       case RDMacro::BO:
       case RDMacro::CC:
diff --git a/lib/rdmacro.h b/lib/rdmacro.h
index a254202c..d5d8a5c9 100644
--- a/lib/rdmacro.h
+++ b/lib/rdmacro.h
@@ -35,16 +35,17 @@
 class RDMacro
 {
  public:
-  enum Command {AL=0x414C,BO=0x424F,CC=0x4343,CE=0x4345,CL=0x434C,CP=0x4350,
-		DB=0x4442,DL=0x444C,DP=0x4450,DS=0x4453,DX=0x4458,EX=0x4558,
-		FS=0x4653,GE=0x4745,GI=0x4749,GO=0x474F,JC=0x4A43,JD=0x4A44,
-		LB=0x4C42,LC=0x4C43,LL=0x4C4C,LO=0x4C4F,MB=0x4D42,MD=0x4D44,
-		MN=0x4D4E,MT=0x4D54,NN=0x4E4E,PB=0x5042,PC=0x5043,PD=0x5044,
-		PE=0x5045,PL=0x504C,PM=0x504D,PN=0x504E,PP=0x5050,PS=0x5053,
-		PT=0x5054,PU=0x5055,PW=0x5057,PX=0x5058,RL=0x524C,RN=0x524E,
-		RS=0x5253,RR=0x5252,SA=0x5341,SC=0x5343,SD=0x5344,SG=0x5347,
-		SI=0x5349,SL=0x534C,SN=0x534e,SO=0x534F,SP=0x5350,SR=0x5352,
-		ST=0x5354,SX=0x5358,SY=0x5359,SZ=0x535A,TA=0x5441,UO=0x554F};
+  enum Command {AG=0x4147,AL=0x414C,BO=0x424F,CC=0x4343,CE=0x4345,CL=0x434C,
+		CP=0x4350,DB=0x4442,DL=0x444C,DP=0x4450,DS=0x4453,DX=0x4458,
+		EX=0x4558,FS=0x4653,GE=0x4745,GI=0x4749,GO=0x474F,JC=0x4A43,
+		JD=0x4A44,LB=0x4C42,LC=0x4C43,LL=0x4C4C,LO=0x4C4F,MB=0x4D42,
+		MD=0x4D44,MN=0x4D4E,MT=0x4D54,NN=0x4E4E,PB=0x5042,PC=0x5043,
+		PD=0x5044,PE=0x5045,PL=0x504C,PM=0x504D,PN=0x504E,PP=0x5050,
+		PS=0x5053,PT=0x5054,PU=0x5055,PW=0x5057,PX=0x5058,RL=0x524C,
+		RN=0x524E,RS=0x5253,RR=0x5252,SA=0x5341,SC=0x5343,SD=0x5344,
+		SG=0x5347,SI=0x5349,SL=0x534C,SN=0x534e,SO=0x534F,SP=0x5350,
+		SR=0x5352,ST=0x5354,SX=0x5358,SY=0x5359,SZ=0x535A,TA=0x5441,
+		UO=0x554F};
   enum Role {Invalid=0,Cmd=1,Reply=2};
   RDMacro();
   RDMacro::Role role() const;
diff --git a/ripcd/ripcd.cpp b/ripcd/ripcd.cpp
index 1392b51c..b45f9470 100644
--- a/ripcd/ripcd.cpp
+++ b/ripcd/ripcd.cpp
@@ -24,6 +24,7 @@
 #include <qdir.h>
 #include <qsessionmanager.h>
 #include <qsignalmapper.h>
+#include <qstringlist.h>
 
 #include <unistd.h>
 #include <stdio.h>
@@ -701,6 +702,22 @@ void MainObject::ReadRmlSocket(QSocketDevice *dev,RDMacro::Role role,
   while((n=dev->readBlock(buffer,RD_RML_MAX_LENGTH))>0) {
     buffer[n]=0;
     if(macro.parseString(buffer,n)) {
+      if(macro.command()==RDMacro::AG) {
+	if(ripc_onair_flag) {
+	  QStringList f0=f0.split(" ",buffer);
+	  f0.pop_front();
+	  QString rmlstr=f0.join(" ");
+	  if(!macro.parseString(rmlstr,rmlstr.length())) {
+	    break;
+	  }
+	}
+	else {
+	  LogLine(RDConfig::LogDebug,
+		  QString("rejected rml: \"")+buffer+
+		  "\": on-air flag not active");
+	  break;
+	}
+      }
       macro.setRole(role);
       macro.setAddress(dev->peerAddress());
       macro.setEchoRequested(echo);