Fix --rpc_ip and --rpc_port (RIPD-679)

This reverts commit 2b040569e7.

.gitignore

@@ -31,6 +31,7 @@ Release/*.*
 tmp
 
 # Ignore database directory.
+db/
 db/*.db
 db/*.db-*
 

src/ripple/app/main/Main.cpp

@@ -245,6 +245,8 @@ int run (int argc, char** argv)
     ("help,h", "Display this message.")
     ("conf", po::value<std::string> (), "Specify the configuration file.")
     ("rpc", "Perform rpc command (default).")
+    ("rpc_ip", po::value <std::string> (), "Specify the IP address for RPC command. Format: <ip-address>[':'<port-number>]")
+    ("rpc_port", po::value <int> (), "Specify the port number for RPC command.")
     ("standalone,a", "Run with no peers.")
     ("shutdowntest", po::value <std::string> ()->implicit_value (""), "Perform shutdown tests.")
     ("unittest,u", po::value <std::string> ()->implicit_value (""), "Perform unit tests.")
@@ -419,6 +421,41 @@ int run (int argc, char** argv)
     if (iResult == 0)
     {
         // These overrides must happen after the config file is loaded.
+
+        // Override the RPC destination IP address
+        //
+        if (vm.count ("rpc_ip"))
+        {
+            try
+            {
+                getConfig().rpc_ip =
+                    boost::asio::ip::address_v4::from_string(
+                        vm["rpc_ip"].as<std::string>());
+            }
+            catch(...)
+            {
+                std::cerr <<
+                    "Invalid rpc_ip = " << vm["rpc_ip"].as<std::string>();
+                return -1;
+            }
+        }
+
+        // Override the RPC destination port number
+        //
+        if (vm.count ("rpc_port"))
+        {
+            try
+            {
+                getConfig().rpc_port = vm["rpc_port"].as<int>();
+            }
+            catch(...)
+            {
+                std::cerr <<
+                    "Invalid rpc_port = " << vm["rpc_port"].as<std::string>();
+                return -1;
+            }
+        }
+
         if (vm.count ("quorum"))
         {
             getConfig ().VALIDATION_QUORUM = vm["quorum"].as <int> ();

src/ripple/core/Config.h

@@ -28,8 +28,10 @@
 #include <beast/net/IPEndpoint.h>
 #include <beast/module/core/files/File.h>
 #include <beast/utility/ci_char_traits.h>
-#include <boost/filesystem.hpp>
+#include <boost/asio/ip/tcp.hpp> // VFALCO FIX: This include should not be here
+#include <boost/filesystem.hpp> // VFALCO FIX: This include should not be here
 #include <boost/lexical_cast.hpp>
+#include <boost/optional.hpp>
 #include <cstdint>
 #include <map>
 #include <string>
@@ -251,6 +253,10 @@ public:
     std::string                 SSL_VERIFY_FILE;
     std::string                 SSL_VERIFY_DIR;
 
+    // These override the command line client settings
+    boost::optional<boost::asio::ip::address_v4> rpc_ip;
+    boost::optional<std::uint16_t> rpc_port;
+
 public:
     Config ();
 

src/ripple/net/impl/RPCCall.cpp

@@ -1018,7 +1018,22 @@ int RPCCall::fromCommandLine (const std::vector<std::string>& vCmd)
         }
         else
         {
-            auto const setup = setup_ServerHandler(getConfig(), std::cerr);
+            ServerHandler::Setup setup;
+            try
+            {
+                std::stringstream ss;
+                setup = setup_ServerHandler(getConfig(), ss);
+            }
+            catch(...)
+            {
+                // ignore any exceptions, so the command
+                // line client works without a config file
+            }
+
+            if (getConfig().rpc_ip)
+                setup.client.ip = getConfig().rpc_ip->to_string();
+            if (getConfig().rpc_port)
+                setup.client.port = *getConfig().rpc_port;
 
             Json::Value jvParams (Json::arrayValue);
 

src/ripple/server/ServerHandler.h

@@ -47,9 +47,9 @@ public:
         // Memberspace
         struct client_t
         {
-            bool secure;
+            bool secure = false;
             std::string ip;
-            std::uint16_t port;
+            std::uint16_t port = 0;
             std::string user;
             std::string password;
             std::string admin_user;