From c19f1840cc1c37c974a0536559646d6715dd139e Mon Sep 17 00:00:00 2001
From: Tomek Mrugalski <tomasz@isc.org>
Date: Tue, 6 Dec 2016 20:29:31 +0100
Subject: [PATCH] [5036] Support for parameters in hooks-libraries added.

---
 doc/examples/kea6/hooks.json  |  6 +++++-
 src/bin/dhcp6/dhcp6_lexer.ll  | 10 ++++++++++
 src/bin/dhcp6/dhcp6_parser.yy | 13 ++++++++++++-
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/doc/examples/kea6/hooks.json b/doc/examples/kea6/hooks.json
index 85e10da445..c4039b845d 100644
--- a/doc/examples/kea6/hooks.json
+++ b/doc/examples/kea6/hooks.json
@@ -41,7 +41,11 @@
         "library": "/opt/lib/security.so"
      },
      {
-        "library": "/opt/lib/charging.so"
+        "library": "/opt/lib/charging.so",
+        "parameters": {
+             "path": "/var/kea/var",
+             "base-name": "kea-forensic6"
+        }
      }
   ]
 }
diff --git a/src/bin/dhcp6/dhcp6_lexer.ll b/src/bin/dhcp6/dhcp6_lexer.ll
index 0ebe6e818c..92864b74b3 100644
--- a/src/bin/dhcp6/dhcp6_lexer.ll
+++ b/src/bin/dhcp6/dhcp6_lexer.ll
@@ -744,6 +744,16 @@ ControlCharacterFill            [^"\\]|\\{JSONEscapeSequence}
     }
 }
 
+
+\"parameters\" {
+    switch(driver.ctx_) {
+    case isc::dhcp::Parser6Context::HOOKS_LIBRARIES:
+        return isc::dhcp::Dhcp6Parser::make_PARAMETERS(driver.loc_);
+    default:
+        return isc::dhcp::Dhcp6Parser::make_STRING("parameters", driver.loc_);
+    }
+}
+
 \"library\" {
     switch(driver.ctx_) {
     case isc::dhcp::Parser6Context::HOOKS_LIBRARIES:
diff --git a/src/bin/dhcp6/dhcp6_parser.yy b/src/bin/dhcp6/dhcp6_parser.yy
index 248975084b..4de439d4d6 100644
--- a/src/bin/dhcp6/dhcp6_parser.yy
+++ b/src/bin/dhcp6/dhcp6_parser.yy
@@ -114,6 +114,7 @@ using namespace std;
 
   HOOKS_LIBRARIES "hooks-libraries"
   LIBRARY "library"
+  PARAMETERS "parameters"
 
   EXPIRED_LEASES_PROCESSING "expired-leases-processing"
 
@@ -593,7 +594,10 @@ hooks_params: hooks_param
             | hooks_params COMMA hooks_param
             ;
 
-hooks_param: LIBRARY {
+hooks_param: library
+           | parameters;
+
+library: LIBRARY {
     ctx.enter(ctx.NO_KEYWORD);
 } COLON STRING {
     ElementPtr lib(new StringElement($4, ctx.loc2pos(@4)));
@@ -601,6 +605,13 @@ hooks_param: LIBRARY {
     ctx.leave(); 
 };
 
+parameters: PARAMETERS {
+    ctx.enter(ctx.NO_KEYWORD);
+} COLON value {
+    ctx.stack_.back()->set("parameters", $4);
+    ctx.leave();
+}
+
 // --- expired-leases-processing ------------------------
 expired_leases_processing: EXPIRED_LEASES_PROCESSING {
     ElementPtr m(new MapElement(ctx.loc2pos(@1)));
-- 
2.47.3