code compiles with new structure

src/asyncio_utils.cpp

@@ -0,0 +1,82 @@
+/* 
+ * asyncio_utils.cpp
+ * 
+ * Created on: Jul 24, 2019 01:46
+ * Description: 
+ * 
+ * Copyright (c) 2019 Ruixiang Du (rdu)
+ */
+
+#include "asyncio_utils.hpp"
+
+namespace wescore
+{
+void url_parse_host(std::string host,
+                    std::string &host_out, int &port_out,
+                    const std::string def_host, const int def_port)
+{
+    std::string port;
+
+    auto sep_it = std::find(host.begin(), host.end(), ':');
+    if (sep_it == host.end())
+    {
+        // host
+        if (!host.empty())
+        {
+            host_out = host;
+            port_out = def_port;
+        }
+        else
+        {
+            host_out = def_host;
+            port_out = def_port;
+        }
+        return;
+    }
+
+    if (sep_it == host.begin())
+    {
+        // :port
+        host_out = def_host;
+    }
+    else
+    {
+        // host:port
+        host_out.assign(host.begin(), sep_it);
+    }
+
+    port.assign(sep_it + 1, host.end());
+    port_out = std::stoi(port);
+}
+
+/**
+ * Parse ?ids=sid,cid
+ */
+void url_parse_query(std::string query)
+{
+    const std::string ids_end("ids=");
+    std::string sys, comp;
+
+    if (query.empty())
+        return;
+
+    auto ids_it = std::search(query.begin(), query.end(),
+                              ids_end.begin(), ids_end.end());
+    if (ids_it == query.end())
+    {
+        std::cerr << "URL: unknown query arguments" << std::endl;
+        return;
+    }
+
+    std::advance(ids_it, ids_end.length());
+    auto comma_it = std::find(ids_it, query.end(), ',');
+    if (comma_it == query.end())
+    {
+        std::cerr << "URL: no comma in ids= query" << std::endl;
+        return;
+    }
+
+    sys.assign(ids_it, comma_it);
+    comp.assign(comma_it + 1, query.end());
+}
+} // namespace wescore