Added DHCP::hostname.

include/dhcp.h

@@ -309,6 +309,15 @@ namespace Tins {
          * \param name The domain name.
          */
         void domain_name(const std::string &name);
+
+        /** 
+         * \brief Adds a hostname option.
+         * 
+         * The new option is appended at the end of the list.
+         * 
+         * \param name The hostname.
+         */
+        void hostname(const std::string &name);
         
         // Option getters
         
@@ -423,6 +432,16 @@ namespace Tins {
          * \return std::string Containing the domain name.
          */
         std::string domain_name() const;
+
+        /**
+         * \brief Searchs for a hostname option.
+         * 
+         * If the option is not found, an option_not_found exception
+         * is thrown.
+         * 
+         * \return std::string Containing the hostname.
+         */
+        std::string hostname() const;
         
         /** 
          * \brief Getter for the options list.

src/dhcp.cpp

@@ -187,6 +187,14 @@ std::string DHCP::domain_name() const {
     return search_and_convert<std::string>(DOMAIN_NAME);
 }
 
+void DHCP::hostname(const std::string &name) {
+    add_option(option(HOST_NAME, name.size(), (const uint8_t*)name.c_str()));
+}
+
+std::string DHCP::hostname() const {
+    return search_and_convert<std::string>(HOST_NAME);
+}
+
 void DHCP::rebind_time(uint32_t time) {
     time = Endian::host_to_be(time);
     add_option(option(DHCP_REBINDING_TIME, sizeof(uint32_t), (uint8_t*)&time));

tests/src/dhcp.cpp

@@ -225,11 +225,18 @@ TEST_F(DHCPTest, DNSOption) {
 
 TEST_F(DHCPTest, DomainNameOption) {
     DHCP dhcp;
-    string domain = "libtins.test.domain", domain_found;
+    string domain = "libtins.test.domain";
     dhcp.domain_name(domain);
     EXPECT_EQ(domain, dhcp.domain_name());
 }
 
+TEST_F(DHCPTest, HostnameOption) {
+    DHCP dhcp;
+    string hostname = "libtins-hostname";
+    dhcp.hostname(hostname);
+    EXPECT_EQ(hostname, dhcp.hostname());
+}
+
 TEST_F(DHCPTest, BroadcastOption) {
     DHCP dhcp;
     IPv4Address ip = "192.168.0.1", ip_found;