[1708] Minor fixes in dhcp4

 - This is a small follow-up to 1651.

src/bin/dhcp4/ctrl_dhcp4_srv.cc

@@ -86,7 +86,7 @@ void ControlledDhcpv4Srv::establishSession() {
     string specfile;
     if (getenv("B10_FROM_BUILD")) {
         specfile = string(getenv("B10_FROM_BUILD")) +
-            "/src/bin/auth/dhcp4.spec";
+            "/src/bin/dhcp4/dhcp4.spec";
     } else {
         specfile = string(DHCP4_SPECFILE_LOCATION);
     }

src/bin/dhcp4/main.cc

@@ -14,18 +14,13 @@
 
 #include <config.h>
 #include <iostream>
-#include <exceptions/exceptions.h>
 #include <log/dummylog.h>
 #include <log/logger_support.h>
 #include <dhcp4/ctrl_dhcp4_srv.h>
-#include <dhcp4/dhcp4_srv.h>
-#include <dhcp/dhcp4.h>
 
 using namespace std;
 using namespace isc::dhcp;
 
-
-
 /// This file contains entry point (main() function) for standard DHCPv4 server
 /// component for BIND10 framework. It parses command-line arguments and
 /// instantiates ControlledDhcpv4Srv class that is responsible for establishing
@@ -44,7 +39,8 @@ usage() {
     cerr << "Usage:  b10-dhcp4 [-v]"
          << endl;
     cerr << "\t-v: verbose output" << endl;
-    cerr << "\t-p number: specify non-standard port number 1-65535 (useful for testing only)" << endl;
+    cerr << "\t-p number: specify non-standard port number 1-65535 "
+         << "(useful for testing only)" << endl;
     exit(EXIT_FAILURE);
 }
 } // end of anonymous namespace
@@ -94,6 +90,7 @@ main(int argc, char* argv[]) {
 
         cout << "[b10-dhcp4] Initiating DHCPv4 server operation." << endl;
 
+        /// @todo: pass verbose to the actul server once logging is implemented
         ControlledDhcpv4Srv* server = new ControlledDhcpv4Srv(port_number);
         server->run();
         delete server;

src/bin/dhcp4/tests/ctrl_dhcp4_srv_unittest.cc

@@ -1,4 +1,4 @@
-// Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC")
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted, provided that the above
@@ -64,7 +64,7 @@ TEST_F(CtrlDhcpv4SrvTest, commands) {
     ConstElementPtr comment = parseAnswer(rcode, result);
     EXPECT_EQ(1, rcode); // expect failure (no such command as blah)
 
-    // case 1: send shutdown command without any parameters
+    // case 2: send shutdown command without any parameters
     result = ControlledDhcpv4Srv::execDhcpv4ServerCommand("shutdown", params);
     comment = parseAnswer(rcode, result);
     EXPECT_EQ(0, rcode); // expect success
@@ -73,7 +73,7 @@ TEST_F(CtrlDhcpv4SrvTest, commands) {
     ConstElementPtr x(new isc::data::IntElement(pid));
     params->set("pid", x);
 
-    // case 2: send shutdown command with 1 parameter: pid
+    // case 3: send shutdown command with 1 parameter: pid
     result = ControlledDhcpv4Srv::execDhcpv4ServerCommand("shutdown", params);
     comment = parseAnswer(rcode, result);
     EXPECT_EQ(0, rcode); // expect success