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();
+    }
+  };
+}