[HICN-206] Customize first part of the name for HTTP.

Change-Id: Ic2dd9cfce5b7d4eb82bef15cc40da16ea99230d8
Signed-off-by: Mauro Sardara <msardara@cisco.com>

3 files changed, 21 insertions, 16 deletions

diff --git a/apps/http-proxy/main.cc b/apps/http-proxy/main.cc
index a7020298b..8dfaec77e 100644
--- a/apps/http-proxy/main.cc
+++ b/apps/http-proxy/main.cc
@@ -19,10 +19,11 @@ using namespace transport;
 
 int usage(char* program) {
   std::cerr << "ICN Plugin not loaded!" << std::endl;
-  std::cerr << "USAGE: " << program << "\n"
-            << "[HTTP_PREFIX] -a [SERVER_IP_ADDRESS] "
-               "-p [SERVER_PORT] -c [CACHE_SIZE] -m [MTU]"
-            << std::endl;
+  std::cerr
+      << "USAGE: " << program << "\n"
+      << "[HTTP_PREFIX] -a [SERVER_IP_ADDRESS] "
+         "-p [SERVER_PORT] -c [CACHE_SIZE] -m [MTU] -P [FIRST_IPv6_WORD_HEX]"
+      << std::endl;
   return -1;
 }
 
@@ -32,9 +33,10 @@ int main(int argc, char** argv) {
   std::string port("80");
   std::string cache_size("50000");
   std::string mtu("1500");
+  std::string first_ipv6_word("b001");
 
   int opt;
-  while ((opt = getopt(argc, argv, "a:p:c:m:")) != -1) {
+  while ((opt = getopt(argc, argv, "a:p:c:m:P:")) != -1) {
     switch (opt) {
       case 'a':
         ip_address = optarg;
@@ -48,6 +50,9 @@ int main(int argc, char** argv) {
       case 'm':
         mtu = optarg;
         break;
+      case 'P':
+        first_ipv6_word = optarg;
+        break;
       case 'h':
       default:
         return usage(argv[0]);
@@ -63,9 +68,9 @@ int main(int argc, char** argv) {
 
   std::cout << "Connecting to " << ip_address << " port " << port
             << " Cache size " << cache_size << " Prefix " << prefix << " MTU "
-            << mtu << std::endl;
+            << mtu << " IPv6 first word " << first_ipv6_word << std::endl;
   transport::AsyncConsumerProducer proxy(prefix, ip_address, port, cache_size,
-                                         mtu);
+                                         mtu, first_ipv6_word);
 
   proxy.run();
 
diff --git a/apps/http-proxy/src/IcnReceiver.cc b/apps/http-proxy/src/IcnReceiver.cc
index d4e922c11..18553d84b 100644
--- a/apps/http-proxy/src/IcnReceiver.cc
+++ b/apps/http-proxy/src/IcnReceiver.cc
@@ -24,7 +24,8 @@
 
 namespace transport {
 
-core::Prefix generatePrefix(const std::string& prefix_url) {
+core::Prefix generatePrefix(const std::string& prefix_url,
+                            std::string& first_ipv6_word) {
   const char* str = prefix_url.c_str();
   uint16_t pos = 0;
 
@@ -39,7 +40,7 @@ core::Prefix generatePrefix(const std::string& prefix_url) {
   uint32_t locator_hash = utils::hash::fnv32_buf(str, strlen(str));
 
   std::stringstream stream;
-  stream << std::hex << http::default_values::ipv6_first_word << ":0";
+  stream << first_ipv6_word << ":0";
 
   for (uint16_t* word = (uint16_t*)&locator_hash;
        std::size_t(word) < (std::size_t(&locator_hash) + sizeof(locator_hash));
@@ -52,12 +53,10 @@ core::Prefix generatePrefix(const std::string& prefix_url) {
   return core::Prefix(stream.str(), 64);
 }
 
-AsyncConsumerProducer::AsyncConsumerProducer(const std::string& prefix,
-                                             std::string& ip_address,
-                                             std::string& port,
-                                             std::string& cache_size,
-                                             std::string& mtu)
-    : prefix_(generatePrefix(prefix)),
+AsyncConsumerProducer::AsyncConsumerProducer(
+    const std::string& prefix, std::string& ip_address, std::string& port,
+    std::string& cache_size, std::string& mtu, std::string& first_ipv6_word)
+    : prefix_(generatePrefix(prefix, first_ipv6_word)),
       producer_socket_(),
       ip_address_(ip_address),
       port_(port),
diff --git a/apps/http-proxy/src/IcnReceiver.h b/apps/http-proxy/src/IcnReceiver.h
index ea4eeb010..67f615ad7 100644
--- a/apps/http-proxy/src/IcnReceiver.h
+++ b/apps/http-proxy/src/IcnReceiver.h
@@ -35,7 +35,8 @@ class AsyncConsumerProducer {
  public:
   explicit AsyncConsumerProducer(const std::string& prefix,
                                  std::string& ip_address, std::string& port,
-                                 std::string& cache_size, std::string& mtu);
+                                 std::string& cache_size, std::string& mtu,
+                                 std::string& first_ipv6_word);
 
   void start();