refine http, support no host.

@@ -58,6 +58,7 @@ using namespace std;
 #include <srs_protocol_json.hpp>
 #include <srs_app_http_hooks.hpp>
 #include <srs_protocol_amf0.hpp>
+#include <srs_app_utility.hpp>
 
 #endif
 
@@ -541,11 +542,10 @@ int SrsHttpMessage::update(string url, bool allow_jsonp, http_parser* header, Sr
     // parse uri from url.
     std::string host = get_request_header("Host");
     
-    // donot parse the empty host for uri,
-    // for example, the response contains no host,
-    // ignore it is ok.
+    // use server public ip when no host specified.
+    // to make telnet happy.
     if (host.empty()) {
-        return ret;
+        host= srs_get_public_internet_address();
     }
     
     // parse uri to schema/server:port/path?query
@@ -554,32 +554,12 @@ int SrsHttpMessage::update(string url, bool allow_jsonp, http_parser* header, Sr
         return ret;
     }
     
-    // must format as key=value&...&keyN=valueN
-    std::string q = _uri->get_query();
-    size_t pos = string::npos;
-    while (!q.empty()) {
-        std::string k = q;
-        if ((pos = q.find("=")) != string::npos) {
-            k = q.substr(0, pos);
-            q = q.substr(pos + 1);
-        } else {
-            q = "";
-        }
-        
-        std::string v = q;
-        if ((pos = q.find("&")) != string::npos) {
-            v = q.substr(0, pos);
-            q = q.substr(pos + 1);
-        } else {
-            q = "";
-        }
-        
-        _query[k] = v;
-    }
-    
     // parse ext.
     _ext = srs_path_filext(_uri->get_path());
     
+    // parse query string.
+    srs_parse_query_string(_uri->get_query(), _query);
+    
     // parse jsonp request message.
     if (allow_jsonp) {
         if (!query_get("callback").empty()) {

@@ -654,6 +654,9 @@ extern void srs_update_rtmp_server(int nb_conn, SrsKbps* kbps);
 // get local ip, fill to @param ips
 extern std::vector<std::string>& srs_get_local_ipv4_ips();
 
+// get local public ip, empty string if no public internet address found.
+extern std::string srs_get_public_internet_address();
+
 // get local or peer ip.
 // where local ip is the server ip which client connected.
 extern std::string srs_get_local_ip(int fd);

@@ -117,6 +117,27 @@ void srs_discovery_tc_url(
     srs_vhost_resolve(vhost, app, param);
 }
 
+void srs_parse_query_string(string q, map<string,string>& query)
+{
+    // query string flags.
+    static vector<string> flags;
+    if (flags.empty()) {
+        flags.push_back("=");
+        flags.push_back(",");
+        flags.push_back("&&");
+        flags.push_back("&");
+        flags.push_back(";");
+    }
+    
+    vector<string> kvs = srs_string_split(q, flags);
+    for (int i = 0; i < (int)kvs.size(); i+=2) {
+        string k = kvs.at(i);
+        string v = (i < (int)kvs.size() - 1)? kvs.at(i+1):"";
+        
+        query[k] = v;
+    }
+}
+
 void srs_random_generate(char* bytes, int size)
 {
     static bool _random_initialized = false;