Merge pull request #243

51e3579 Fixed bug in static linking boost on MINGW (Thomas Winget)
f78bb00 Hopefully fixes build on Windows for real this time (Thomas Winget)
2b0583b Hopefully fixes build on Windows (Thomas Winget)
9dab105 DNS checkpoint loading for testnet should now be correct (Thomas Winget)
52f9629 sending commands to forked daemon works on testnet now (Thomas Winget)
76289d0 Fix tests building -- function signatures changed (Thomas Winget)
db53e19 revert stop_daemon method to use correct exit (Thomas Winget)
96cbecf RPC calls for background daemon added in (Thomas Winget)
9193d6f Daemonize changes pulled in -- daemon builds (Thomas Winget)

1 files changed, 132 insertions, 0 deletions

diff --git a/src/common/rpc_client.h b/src/common/rpc_client.h
new file mode 100644
index 000000000..a6d4b6cc1
--- /dev/null
+++ b/src/common/rpc_client.h
@@ -0,0 +1,132 @@
+#pragma once
+
+#include "common/http_connection.h"
+#include "common/scoped_message_writer.h"
+#include "rpc/core_rpc_server_commands_defs.h"
+#include "storages/http_abstract_invoke.h"
+#include "net/http_client.h"
+#include "string_tools.h"
+#include <boost/lexical_cast.hpp>
+
+namespace tools
+{
+  class t_rpc_client final
+  {
+  private:
+    epee::net_utils::http::http_simple_client m_http_client;
+    uint32_t m_ip;
+    uint16_t m_port;
+  public:
+    t_rpc_client(
+        uint32_t ip
+      , uint16_t port
+      )
+      : m_http_client{}
+      , m_ip{ip}
+      , m_port{port}
+    {}
+
+    std::string build_url(std::string const & relative_url)
+    {
+      std::string result =
+              "http://"
+             + epee::string_tools::get_ip_string_from_int32(m_ip)
+             + ":"
+             + boost::lexical_cast<std::string>(m_port)
+             + relative_url;
+      return result;
+    }
+
+    template <typename T_req, typename T_res>
+    bool basic_json_rpc_request(
+        T_req & req
+      , T_res & res
+      , std::string const & method_name
+      )
+    {
+      std::string rpc_url = build_url("/json_rpc");
+      t_http_connection connection(&m_http_client, m_ip, m_port);
+
+      bool ok = connection.is_open();
+      if (!ok)
+      {
+        fail_msg_writer() << "Couldn't connect to daemon";
+        return false;
+      }
+      ok = ok && epee::net_utils::invoke_http_json_rpc(rpc_url, method_name, req, res, m_http_client);
+      if (!ok)
+      {
+        fail_msg_writer() << "Daemon request failed";
+        return false;
+      }
+      else
+      {
+        return true;
+      }
+    }
+
+    template <typename T_req, typename T_res>
+    bool json_rpc_request(
+        T_req & req
+      , T_res & res
+      , std::string const & method_name
+      , std::string const & fail_msg
+      )
+    {
+      std::string rpc_url = build_url("/json_rpc");
+      t_http_connection connection(&m_http_client, m_ip, m_port);
+
+      bool ok = connection.is_open();
+      ok = ok && epee::net_utils::invoke_http_json_rpc(rpc_url, method_name, req, res, m_http_client);
+      if (!ok)
+      {
+        fail_msg_writer() << "Couldn't connect to daemon";
+        return false;
+      }
+      else if (res.status != CORE_RPC_STATUS_OK) // TODO - handle CORE_RPC_STATUS_BUSY ?
+      {
+        fail_msg_writer() << fail_msg << " -- " << res.status;
+        return false;
+      }
+      else
+      {
+        return true;
+      }
+    }
+
+    template <typename T_req, typename T_res>
+    bool rpc_request(
+        T_req & req
+      , T_res & res
+      , std::string const & relative_url
+      , std::string const & fail_msg
+      )
+    {
+      std::string rpc_url = build_url(relative_url);
+      t_http_connection connection(&m_http_client, m_ip, m_port);
+
+      bool ok = connection.is_open();
+      ok = ok && epee::net_utils::invoke_http_json_remote_command2(rpc_url, req, res, m_http_client);
+      if (!ok)
+      {
+        fail_msg_writer() << "Couldn't connect to daemon";
+        return false;
+      }
+      else if (res.status != CORE_RPC_STATUS_OK) // TODO - handle CORE_RPC_STATUS_BUSY ?
+      {
+        fail_msg_writer() << fail_msg << " -- " << res.status;
+        return false;
+      }
+      else
+      {
+        return true;
+      }
+    }
+
+    bool check_connection()
+    {
+      t_http_connection connection(&m_http_client, m_ip, m_port);
+      return connection.is_open();
+    }
+  };
+}