[1959] Enable broadcast addresses for perfdhcp's DHCPv4 mode.

tests/tools/perfdhcp/command_options.cc

@@ -21,8 +21,8 @@
 #include <boost/foreach.hpp>
 #include <boost/lexical_cast.hpp>
 
-#include "exceptions/exceptions.h"
-
+#include <exceptions/exceptions.h>
+#include <dhcp/iface_mgr.h>
 #include "command_options.h"
 
 using namespace std;
@@ -219,6 +219,7 @@ CommandOptions::initialize(int argc, char** argv) {
 
         case 'l':
             localname_ = std::string(optarg);
+            initIsInterface();
             break;
 
         case 'L':
@@ -351,7 +352,21 @@ CommandOptions::initialize(int argc, char** argv) {
         }
     }
 
-    // TODO handle -l option with IfaceManager when it is created
+    // Handle the local '-l' address/interface
+    if (!localname_.empty()) {
+        if (server_name_.empty()) {
+            if (is_interface_ && (ipversion_ == 4)) {
+                broadcast_ = 1;
+                server_name_ = "255.255.255.255";
+            } else if (is_interface_ && (ipversion_ == 6)) {
+                server_name_ = "FF02::1:2";
+            }
+        }
+    }
+    if (server_name_.empty()) {
+        isc_throw(InvalidParameter,
+                  "without an inteface server is required");
+    }
 }
 
 void
@@ -377,6 +392,17 @@ CommandOptions::initClientsNum() {
 }
 
 void
+CommandOptions::initIsInterface() {
+    is_interface_ = false;
+    if (!localname_.empty()) {
+        dhcp::IfaceMgr& iface_mgr = dhcp::IfaceMgr::instance();
+        if (iface_mgr.getIface(localname_) != NULL)  {
+            is_interface_ = true;
+        }
+    }
+}
+
+void
 CommandOptions::decodeBase(const std::string& base) {
     std::string b(base);
     boost::algorithm::to_lower(b);

tests/tools/perfdhcp/command_options.h

@@ -301,6 +301,13 @@ private:
     /// \throw InvalidParameter if -R<value> is wrong
     void initClientsNum();
 
+    /// \brief Sets value indicating if interface name was given.
+    ///
+    /// Method checks if the command line argument given with
+    /// '-l' option is the interface name. The is_interface_ member
+    /// is set accordingly.
+    void initIsInterface();
+
     /// \brief Decodes base provided with -b<base>
     ///
     /// Function decodes argument of -b switch, which

tests/tools/perfdhcp/test_control.cc

@@ -208,27 +208,24 @@ TestControl::openSocket() const {
         family = AF_INET6;
         port = 547;
     }
+    // Local name is specified along with '-l' option.
+    // It may point to interface name or local address.
     if (!localname.empty()) {
-        bool is_interface = false;;
-        try {
+        // CommandOptions should be already aware wether local name
+        // is interface name or address because it uses IfaceMgr to
+        // scan interfaces and get's their names.
+        if (options.isInterface()) {
             sock = IfaceMgr::instance().openSocketFromIface(localname,
                                                             port,
                                                             family);
-            is_interface = true;
-        } catch (...) {
-            // This is not fatal error. It may be the case that
-            // parameter given from command line is not interface
-            // name but local IP address.
-        }
-        if (!is_interface) {
+        } else {
             IOAddress localaddr(localname);
-            // We don't catch exception here because parameter given
-            // must be either interface name or local address. If
-            // both attempts failed, we want exception to be emited.
             sock = IfaceMgr::instance().openSocketFromAddress(localaddr,
                                                               port);
         }
     } else if (!servername.empty()) {
+        // If only server name is given we will need to try to resolve
+        // the local address to bind socket to based on remote address.
         IOAddress remoteaddr(servername);
         sock = IfaceMgr::instance().openSocketFromRemoteAddress(remoteaddr,
                                                                 port);
@@ -237,6 +234,20 @@ TestControl::openSocket() const {
         isc_throw(BadValue, "unable to open socket to communicate with "
                   "DHCP server");
     }
+
+    // IfaceMgr does not set broadcast option on the socket. We rely
+    // on CommandOptions object to find out if socket has to have
+    // broadcast enabled.
+    if ((options.getIpVersion() == 4) && options.isBroadcast()) {
+        int broadcast_enable = 1;
+        int ret = setsockopt(sock, SOL_SOCKET, SO_BROADCAST,
+                             &broadcast_enable, sizeof(broadcast_enable));
+        if (ret < 0) {
+            isc_throw(InvalidOperation,
+                      "unable to set broadcast option on the socket");
+        }
+    }
+
     return(sock);
 }
 
@@ -362,7 +373,7 @@ TestControl::setDefaults4(const TestControlSocket &socket,
 void
 TestControl::updateSendDue() {
     // If default constructor was called, this should not happen but
-    // if somebody has cw/e August 3, 2012hanged default constructor it is better to
+    // if somebody has changed default constructor it is better to
     // keep this check.
     if (last_sent_.is_not_a_date_time()) {
         isc_throw(Unexpected, "time of last sent packet not initialized");

tests/tools/perfdhcp/test_control.h

@@ -209,7 +209,10 @@ private:
     /// from the command line). If socket can't be created for any
     /// reason, exception is thrown.
     ///
-    /// \throw isc::BadValue if socket can't be created.
+    /// \throw isc::BadValue if socket can't be created for given
+    /// interface, local address or remote address.
+    /// \throw isc::InvalidOperation if broadcast option can't be
+    /// set for the socket.
     /// \return socket descriptor.
     int openSocket() const;
 

tests/tools/perfdhcp/tests/command_options_unittest.cc

@@ -17,9 +17,10 @@
 #include <string>
 #include <gtest/gtest.h>
 
-#include "../command_options.h"
+#include <dhcp/iface_mgr.h>
+#include <exceptions/exceptions.h>
 
-#include "exceptions/exceptions.h"
+#include "../command_options.h"
 
 using namespace std;
 using namespace isc;
@@ -62,7 +63,7 @@ protected:
     /// Check if initialized values are correct
     void checkDefaults() {
         CommandOptions& opt = CommandOptions::instance();
-        process("perfdhcp");
+        process("perfdhcp 192.168.0.1");
         EXPECT_EQ(4, opt.getIpVersion());
         EXPECT_EQ(CommandOptions::DORA_SARR, opt.getExchangeMode());
         EXPECT_EQ(0, opt.getRate());
@@ -104,7 +105,7 @@ protected:
         EXPECT_GT(0, opt.getRequestedIpOffset());
         EXPECT_EQ("", opt.getDiags());
         EXPECT_EQ("", opt.getWrapped());
-        EXPECT_EQ("", opt.getServerName());
+        EXPECT_EQ("192.168.0.1", opt.getServerName());
     }
 
     /// \brief Split string to array of C-strings
@@ -145,79 +146,90 @@ protected:
 };
 
 TEST_F(CommandOptionsTest, Defaults) {
-    process("perfdhcp");
+    process("perfdhcp all");
     checkDefaults();
 }
 
 TEST_F(CommandOptionsTest, UseFirst) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -1 -B -l ethx");
+    process("perfdhcp -1 -B -l ethx all");
     EXPECT_TRUE(opt.isUseFirst());
 }
 TEST_F(CommandOptionsTest, IpVersion) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -6 -l ethx -c -i");
+    process("perfdhcp -6 -l ethx -c -i all");
     EXPECT_EQ(6, opt.getIpVersion());
     EXPECT_EQ("ethx", opt.getLocalName());
     EXPECT_TRUE(opt.isRapidCommit());
     EXPECT_FALSE(opt.isBroadcast());
-    process("perfdhcp -4 -B -l ethx");
+    process("perfdhcp -4 -B -l ethx all");
     EXPECT_EQ(4, opt.getIpVersion());
     EXPECT_TRUE(opt.isBroadcast());
     EXPECT_FALSE(opt.isRapidCommit());
 
     // Negative test cases
     // -4 and -6 must not coexist
-    EXPECT_THROW(process("perfdhcp -4 -6 -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -4 -6 -l ethx all"), isc::InvalidParameter);
     // -6 and -B must not coexist
-    EXPECT_THROW(process("perfdhcp -6 -B -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -B -l ethx all"), isc::InvalidParameter);
     // -c and -4 (default) must not coexist
-    EXPECT_THROW(process("perfdhcp -c -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -c -l ethx all"), isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Rate) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -4 -r 10 -l ethx");
+    process("perfdhcp -4 -r 10 -l ethx all");
     EXPECT_EQ(10, opt.getRate());
 
     // Negative test cases
     // Rate must not be 0
-    EXPECT_THROW(process("perfdhcp -4 -r 0 -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -4 -r 0 -l ethx all"),
+                 isc::InvalidParameter);
     // -r must be specified to use -n, -p and -D
-    EXPECT_THROW(process("perfdhcp -6 -t 5 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -4 -n 150 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -6 -p 120 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -4 -D 1400 -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -t 5 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -4 -n 150 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -p 120 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -4 -D 1400 -l ethx all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, ReportDelay) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -r 100 -t 17 -l ethx");
+    process("perfdhcp -r 100 -t 17 -l ethx all");
     EXPECT_EQ(17, opt.getReportDelay());
 
     // Negative test cases
     // -t must be positive integer
-    EXPECT_THROW(process("perfdhcp -r 10 -t -8 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -r 10 -t 0 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -r 10 -t s -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -r 10 -t -8 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -r 10 -t 0 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -r 10 -t s -l ethx all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, ClientsNum) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -R 200 -l ethx");
+    process("perfdhcp -R 200 -l ethx all");
     EXPECT_EQ(200, opt.getClientsNum());
-    process("perfdhcp -R 0 -l ethx");
+    process("perfdhcp -R 0 -l ethx all");
     EXPECT_EQ(0, opt.getClientsNum());
 
     // Negative test cases
     // Number of clients must be non-negative integer
-    EXPECT_THROW(process("perfdhcp -R -5 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -R gs -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -R -5 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -R gs -l ethx all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Base) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -6 -b MAC=10::20::30::40::50::60 -l ethx -b duiD=1AB7F5670901FF");
+    process("perfdhcp -6 -b MAC=10::20::30::40::50::60 "
+            "-l ethx -b duiD=1AB7F5670901FF all");
     uint8_t mac[6] = {0x10, 0x20, 0x30, 0x40, 0x50, 0x60 };
     uint8_t duid[7] = { 0x1A, 0xB7, 0xF5, 0x67, 0x09, 0x01, 0xFF };
 
@@ -226,72 +238,87 @@ TEST_F(CommandOptionsTest, Base) {
     ASSERT_EQ(6, v1.size());
     EXPECT_TRUE(std::equal(v1.begin(), v1.end(), mac));
     // "3x" is invalid value in MAC address
-    EXPECT_THROW(process("perfdhcp -b mac=10::2::3x::4::5::6 -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -b mac=10::2::3x::4::5::6 -l ethx all"),
+                 isc::InvalidParameter);
 
     // Test DUID
     std::vector<uint8_t> v2 = opt.getDuidPrefix();
     ASSERT_EQ(sizeof(duid) / sizeof(uint8_t), v2.size());
     EXPECT_TRUE(std::equal(v2.begin(), v2.end(), duid));
     // "t" is invalid digit in DUID
-    EXPECT_THROW(process("perfdhcp -6 -l ethx -b duiD=1AB7Ft670901FF"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -l ethx -b duiD=1AB7Ft670901FF all"),
+                 isc::InvalidParameter);
 
     // Some more negative test cases
     // Base is not specified
-    EXPECT_THROW(process("perfdhcp -b -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -b -l ethx all"),
+                 isc::InvalidParameter);
     // Typo: should be mac= instead of mc=
-    EXPECT_THROW(process("perfdhcp -l ethx -b mc=00:01:02:03::04:05"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -b mc=00:01:02:03::04:05 all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, DropTime) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -l ethx -d 12");
+    process("perfdhcp -l ethx -d 12 all");
     ASSERT_EQ(2, opt.getDropTime().size());
     EXPECT_DOUBLE_EQ(12, opt.getDropTime()[0]);
     EXPECT_DOUBLE_EQ(1, opt.getDropTime()[1]);
 
-    process("perfdhcp -l ethx -d 2 -d 4.7");
+    process("perfdhcp -l ethx -d 2 -d 4.7 all");
     ASSERT_EQ(2, opt.getDropTime().size());
     EXPECT_DOUBLE_EQ(2, opt.getDropTime()[0]);
     EXPECT_DOUBLE_EQ(4.7, opt.getDropTime()[1]);
 
     // Negative test cases
     // Drop time must not be negative
-    EXPECT_THROW(process("perfdhcp -l ethx -d -2 -d 4.7"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -l ethx -d -9.1 -d 0"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -d -2 -d 4.7 all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -d -9.1 -d 0 all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, TimeOffset) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -l ethx -T file1.x -T file2.x -E 4");
+    process("perfdhcp -l ethx -T file1.x -T file2.x -E 4 all");
     EXPECT_EQ(4, opt.getElapsedTimeOffset());
 
     // Negative test cases
     // Argument -E must be used with -T
-    EXPECT_THROW(process("perfdhcp -l ethx -E 3 -i"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -E 3 -i all"),
+                 isc::InvalidParameter);
     // Value in -E not specified
-    EXPECT_THROW(process("perfdhcp -l ethx -T file.x -E -i"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -T file.x -E -i all"),
+                 isc::InvalidParameter);
     // Value for -E must not be negative
-    EXPECT_THROW(process("perfdhcp -l ethx -E -3 -T file.x"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -E -3 -T file.x all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, ExchangeMode) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -l ethx -i");
+    process("perfdhcp -l ethx -i all");
     EXPECT_EQ(CommandOptions::DO_SA, opt.getExchangeMode());
 
     // Negative test cases
     // No template file specified
-    EXPECT_THROW(process("perfdhcp -i -l ethx -X 3"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -i -l ethx -X 3 all"),
+                 isc::InvalidParameter);
     // Offsets can't be used in simple exchanges (-i)
-    EXPECT_THROW(process("perfdhcp -i -l ethx -O 2 -T file.x"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -i -l ethx -E 3 -T file.x"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -i -l ethx -S 1 -T file.x"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -i -l ethx -I 2 -T file.x"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -i -l ethx -O 2 -T file.x all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -i -l ethx -E 3 -T file.x all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -i -l ethx -S 1 -T file.x all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -i -l ethx -I 2 -T file.x all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Offsets) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -E5 -4 -I 2 -S3 -O 30 -X7 -l ethx -X3 -T file1.x -T file2.x");
+    process("perfdhcp -E5 -4 -I 2 -S3 -O 30 -X7 -l ethx "
+            "-X3 -T file1.x -T file2.x all");
     EXPECT_EQ(2, opt.getRequestedIpOffset());
     EXPECT_EQ(5, opt.getElapsedTimeOffset());
     EXPECT_EQ(3, opt.getServerIdOffset());
@@ -304,151 +331,234 @@ TEST_F(CommandOptionsTest, Offsets) {
 
     // Negative test cases
     // IP offset/IA_NA offset must be positive
-    EXPECT_THROW(process("perfdhcp -6 -I 0 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -6 -I -4 -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -I 0 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -I -4 -l ethx all"),
+                 isc::InvalidParameter);
 
     // TODO - other negative cases
 }
 
 TEST_F(CommandOptionsTest, LocalPort) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -l ethx -L 2000");
+    process("perfdhcp -l ethx -L 2000 all");
     EXPECT_EQ(2000, opt.getLocalPort());
 
     // Negative test cases
     // Local port must be between 0..65535
-    EXPECT_THROW(process("perfdhcp -l ethx -L -2"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -l ethx -L"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -l ethx -L 65540"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -L -2 all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -L all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -L 65540 all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Preload) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -1 -P 3 -l ethx");
+    process("perfdhcp -1 -P 3 -l ethx all");
     EXPECT_EQ(3, opt.getPreload());
 
     // Negative test cases
     // Number of preload packages must not be negative integer
-    EXPECT_THROW(process("perfdhcp -P -1 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -P -3 -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -P -1 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -P -3 -l ethx all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Seed) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -6 -P 2 -s 23 -l ethx");
+    process("perfdhcp -6 -P 2 -s 23 -l ethx all");
     EXPECT_EQ(23, opt.getSeed());
     EXPECT_TRUE(opt.isSeeded());
 
-    process("perfdhcp -6 -P 2 -s 0 -l ethx");
+    process("perfdhcp -6 -P 2 -s 0 -l ethx all");
     EXPECT_EQ(0, opt.getSeed());
     EXPECT_FALSE(opt.isSeeded());
 
     // Negtaive test cases
     // Seed must be non-negative integer
-    EXPECT_THROW(process("perfdhcp -6 -P 2 -s -5 -l ethx"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -6 -P 2 -s -l ethx"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -P 2 -s -5 -l ethx all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -6 -P 2 -s -l ethx all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, TemplateFiles) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -T file1.x -l ethx");
+    process("perfdhcp -T file1.x -l ethx all");
     ASSERT_EQ(1, opt.getTemplateFiles().size());
     EXPECT_EQ("file1.x", opt.getTemplateFiles()[0]);
 
-    process("perfdhcp -T file1.x -s 12 -w start -T file2.x -4 -l ethx");
+    process("perfdhcp -T file1.x -s 12 -w start -T file2.x -4 -l ethx all");
     ASSERT_EQ(2, opt.getTemplateFiles().size());
     EXPECT_EQ("file1.x", opt.getTemplateFiles()[0]);
     EXPECT_EQ("file2.x", opt.getTemplateFiles()[1]);
 
     // Negative test cases
     // No template file specified
-    EXPECT_THROW(process("perfdhcp -s 12 -l ethx -T"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -s 12 -T -l ethx all"),
+                 isc::InvalidParameter);
     // Too many template files specified
-    EXPECT_THROW(process("perfdhcp -s 12 -l ethx -T file.x -T file.x -T file.x"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -s 12 -l ethx -T file.x "
+                         "-T file.x -T file.x all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Wrapped) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -B -w start -i -l ethx");
+    process("perfdhcp -B -w start -i -l ethx all");
     EXPECT_EQ("start", opt.getWrapped());
 
     // Negative test cases
     // Missing command after -w, expected start/stop
-    EXPECT_THROW(process("perfdhcp -B -i -l ethx -w"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -B -i -l ethx -w all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Diagnostics) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -l ethx -i -x asTe");
+    process("perfdhcp -l ethx -i -x asTe all");
     EXPECT_EQ("asTe", opt.getDiags());
 
     // Negative test cases
     // No diagnostics string specified
-    EXPECT_THROW(process("perfdhcp -l ethx -i -x"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -i -x all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Aggressivity) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -a 10 -l 192.168.0.1");
+    process("perfdhcp -a 10 -l 192.168.0.1 all");
     EXPECT_EQ(10, opt.getAggressivity());
 
     // Negative test cases
     // Aggressivity must be non negative integer
-    EXPECT_THROW(process("perfdhcp -l ethx -a 0"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -l ethx -a"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -a -2 -l ethx -a 3"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -a 0 all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -l ethx -a all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -a -2 -l ethx -a 3 all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, MaxDrop) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -D 25 -l ethx -r 10");
+    process("perfdhcp -D 25 -l ethx -r 10 all");
     EXPECT_EQ(25, opt.getMaxDrop()[0]);
-    process("perfdhcp -D 25 -l ethx -D 15 -r 10");
+    process("perfdhcp -D 25 -l ethx -D 15 -r 10 all");
     EXPECT_EQ(25, opt.getMaxDrop()[0]);
     EXPECT_EQ(15, opt.getMaxDrop()[1]);
 
-    process("perfdhcp -D 15% -l ethx -r 10");
+    process("perfdhcp -D 15% -l ethx -r 10 all");
     EXPECT_EQ(15, opt.getMaxDropPercentage()[0]);
-    process("perfdhcp -D 15% -D25% -l ethx -r 10");
+    process("perfdhcp -D 15% -D25% -l ethx -r 10 all");
     EXPECT_EQ(15, opt.getMaxDropPercentage()[0]);
     EXPECT_EQ(25, opt.getMaxDropPercentage()[1]);
-    process("perfdhcp -D 1% -D 99% -l ethx -r 10");
+    process("perfdhcp -D 1% -D 99% -l ethx -r 10 all");
     EXPECT_EQ(1, opt.getMaxDropPercentage()[0]);
     EXPECT_EQ(99, opt.getMaxDropPercentage()[1]);
 
     // Negative test cases
     // Too many -D<value> options
-    EXPECT_THROW(process("perfdhcp -D 0% -D 1 -l ethx -r20 -D 3"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -D 0% -D 1 -l ethx -r20 -D 3 all"),
+                 isc::InvalidParameter);
     // Too many -D<value%> options
-    EXPECT_THROW(process("perfdhcp -D 99% -D 13% -l ethx -r20 -D 10%"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -D 99% -D 13% -l ethx -r20 -D 10% all"),
+                 isc::InvalidParameter);
     // Percentage is out of bounds
-    EXPECT_THROW(process("perfdhcp -D101% -D 13% -l ethx -r20"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -D0% -D 13% -l ethx -r20"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -D101% -D 13% -l ethx -r20 all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -D0% -D 13% -l ethx -r20 all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, NumRequest) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -n 1000 -r 10 -l ethx");
+    process("perfdhcp -n 1000 -r 10 -l ethx all");
     EXPECT_EQ(1000, opt.getNumRequests()[0]);
-    process("perfdhcp -n 5 -r 10 -n 500 -l ethx");
+    process("perfdhcp -n 5 -r 10 -n 500 -l ethx all");
     EXPECT_EQ(5, opt.getNumRequests()[0]);
     EXPECT_EQ(500, opt.getNumRequests()[1]);
 
     // Negative test cases
     // Too many -n<value> parameters, expected maximum 2
-    EXPECT_THROW(process("perfdhcp -n 1 -n 2 -l ethx -n3 -r 20"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -n 1 -n 2 -l ethx -n3 -r 20 all"),
+                 isc::InvalidParameter);
     // Num request must be positive integer
-    EXPECT_THROW(process("perfdhcp -n 1 -n -22 -l ethx -r 10"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -n 0 -l ethx -r 10"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -n 1 -n -22 -l ethx -r 10 all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -n 0 -l ethx -r 10 all"),
+                 isc::InvalidParameter);
 }
 
 TEST_F(CommandOptionsTest, Period) {
     CommandOptions& opt = CommandOptions::instance();
-    process("perfdhcp -p 120 -l ethx -r 100");
+    process("perfdhcp -p 120 -l ethx -r 100 all");
     EXPECT_EQ(120, opt.getPeriod());
 
     // Negative test cases
     // Test period must be positive integer
-    EXPECT_THROW(process("perfdhcp -p 0 -l ethx -r 50"), isc::InvalidParameter);
-    EXPECT_THROW(process("perfdhcp -p -3 -l ethx -r 50"), isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -p 0 -l ethx -r 50 all"),
+                 isc::InvalidParameter);
+    EXPECT_THROW(process("perfdhcp -p -3 -l ethx -r 50 all"),
+                 isc::InvalidParameter);
+}
+
+TEST_F(CommandOptionsTest, Interface) {
+    // In order to make this test portable we need to know
+    // at least one interface name on OS where test is run.
+    // Interface Manager has ability to detect interfaces.
+    dhcp::IfaceMgr& iface_mgr = dhcp::IfaceMgr::instance();
+    const dhcp::IfaceMgr::IfaceCollection& ifaces = iface_mgr.getIfaces();
+    std::string iface_name;
+    CommandOptions& opt = CommandOptions::instance();
+    // The local loopback interface should be available. 
+    // If no interface have been found for any reason we should
+    // not fail this test.
+    if (ifaces.size() > 0) {
+        // Get the name of the interface we detected.
+        iface_name = ifaces.begin()->getName();
+        // Use the name in the command parser.
+        ASSERT_NO_THROW(process("perfdhcp -4 -l " + iface_name + " abc"));
+        // We expect that command parser will detect that argument
+        // specified along with '-l' is the interface name.
+        EXPECT_TRUE(opt.isInterface());
+
+        // If neither interface nor server is specified then
+        // exception is expected to be thrown.
+        EXPECT_THROW(process("perfdhcp -4"), isc::InvalidParameter);
+    }
+}    
+
+TEST_F(CommandOptionsTest, Server) {
+    CommandOptions& opt = CommandOptions::instance();
+    // There is at least server parameter needed. If server is not
+    // specified the local interface must be specified.
+    // The server value equal to 'all' means use broadcast.
+    ASSERT_NO_THROW(process("perfdhcp all"));
+    // Once command line is parsed we expect that server name is
+    // set to broadcast address because 'all' was specified.
+    EXPECT_TRUE(opt.isBroadcast());
+    // The broadcast address is 255.255.255.255.
+    EXPECT_EQ("255.255.255.255", opt.getServerName());
+
+    // When all is specified for DHCPv6 mode we expect
+    // FF02::1:2 as a server name which means All DHCP
+    // servers and relay agents in local network segment
+    ASSERT_NO_THROW(process("perfdhcp -6 all"));
+    EXPECT_EQ("FF02::1:2", opt.getServerName());
+
+    // When server='servers' in DHCPv6 mode we expect
+    // FF05::1:3 as server name which means All DHCP
+    // servers in local network.
+    ASSERT_NO_THROW(process("perfdhcp -6 servers"));
+    EXPECT_EQ("FF05::1:3", opt.getServerName());
+
+    // If server name is neither 'all' nor 'servers'
+    // the given argument value is expected to be
+    // returned.
+    ASSERT_NO_THROW(process("perfdhcp -6 abc"));
+    EXPECT_EQ("abc", opt.getServerName());
 }