refine code.

@@ -21,4 +21,9 @@ CONTRIBUTORS ordered by first contribution.
 * allspace<allspace@gmail.com> "The srs-librtmp windows support"
 * niesongsong<nie950@gmail.com> "Configure support relative path"
 * rudeb0t<nimrod@themanxgroup.tw> "Bug fixed"
+* CallMeNP<np.liamg@gmail.com> "Bug fixed"
+* synote<synote@qq.com> "Bug fixed"
+* lovecat<littlefawn@163.com> "Bug fixed"
+* panda1986<542638787@qq.com> "Bug fixed"
+* YueHonghui<hongf.yue@hotmail.com> "Bug fixed"
 

@@ -1488,7 +1488,7 @@ int SrsConfig::parse_argv(int& i, char** argv)
 void SrsConfig::print_help(char** argv)
 {
     printf(
-        RTMP_SIG_SRS_NAME" "RTMP_SIG_SRS_VERSION" "RTMP_SIG_SRS_COPYRIGHT"\n" 
+        RTMP_SIG_SRS_SERVER" "RTMP_SIG_SRS_COPYRIGHT"\n"
         "License: "RTMP_SIG_SRS_LICENSE"\n"
         "Primary: "RTMP_SIG_SRS_PRIMARY"\n"
         "Authors: "RTMP_SIG_SRS_AUTHROS"\n"

@@ -279,7 +279,7 @@ int SrsHttpResponseWriter::send_header(char* data, int size)
     
     // set server if not set.
     if (hdr->get("Server").empty()) {
-        hdr->set("Server", RTMP_SIG_SRS_KEY"/"RTMP_SIG_SRS_VERSION);
+        hdr->set("Server", RTMP_SIG_SRS_SERVER);
     }
     
     // chunked encoding

@@ -33,22 +33,27 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define VERSION_MINOR       0
 #define VERSION_REVISION    206
 
-// server info.
+// generated by configure, only macros.
+#include <srs_auto_headers.hpp>
+
+// provider info.
 #define RTMP_SIG_SRS_KEY "SRS"
 #define RTMP_SIG_SRS_CODE "ZhouGuowen"
-#define RTMP_SIG_SRS_ROLE "origin/edge server"
+#define RTMP_SIG_SRS_AUTHROS "winlin,wenjie.zhao"
+// contact info.
+#define RTMP_SIG_SRS_WEB "http://ossrs.net"
+#define RTMP_SIG_SRS_EMAIL "winlin@vip.126.com"
+// debug info.
+#define RTMP_SIG_SRS_ROLE "cluster"
 #define RTMP_SIG_SRS_NAME RTMP_SIG_SRS_KEY"(Simple RTMP Server)"
 #define RTMP_SIG_SRS_URL_SHORT "github.com/ossrs/srs"
 #define RTMP_SIG_SRS_URL "https://"RTMP_SIG_SRS_URL_SHORT
-#define RTMP_SIG_SRS_WEB "http://ossrs.net"
-#define RTMP_SIG_SRS_EMAIL "winlin@vip.126.com"
 #define RTMP_SIG_SRS_LICENSE "The MIT License (MIT)"
 #define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013-2015 SRS(ossrs)"
-#define RTMP_SIG_SRS_PRIMARY "SRS/"VERSION_STABLE_BRANCH
-#define RTMP_SIG_SRS_AUTHROS "winlin,wenjie.zhao"
+#define RTMP_SIG_SRS_PRIMARY RTMP_SIG_SRS_KEY"/"VERSION_STABLE_BRANCH
 #define RTMP_SIG_SRS_CONTRIBUTORS_URL RTMP_SIG_SRS_URL"/blob/master/AUTHORS.txt"
 #define RTMP_SIG_SRS_HANDSHAKE RTMP_SIG_SRS_KEY"("RTMP_SIG_SRS_VERSION")"
-#define RTMP_SIG_SRS_RELEASE RTMP_SIG_SRS_URL"/tree/1.0release"
+#define RTMP_SIG_SRS_RELEASE RTMP_SIG_SRS_URL"/tree/"VERSION_STABLE_BRANCH".0release"
 #define RTMP_SIG_SRS_ISSUES(id) RTMP_SIG_SRS_URL"/issues/"#id
 #define RTMP_SIG_SRS_VERSION SRS_XSTR(VERSION_MAJOR)"."SRS_XSTR(VERSION_MINOR)"."SRS_XSTR(VERSION_REVISION)
 #define RTMP_SIG_SRS_SERVER RTMP_SIG_SRS_KEY"/"RTMP_SIG_SRS_VERSION"("RTMP_SIG_SRS_CODE")"
@@ -90,8 +95,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <stddef.h>
 #include <sys/types.h>
 
-// generated by configure.
-#include <srs_auto_headers.hpp>
 // important performance options.
 #include <srs_core_performance.hpp>
 

@@ -289,6 +289,16 @@ bool srs_string_contains(string str, string flag)
     return str.find(flag) != string::npos;
 }
 
+bool srs_string_contains(string str, string flag0, string flag1)
+{
+    return str.find(flag0) != string::npos || str.find(flag1) != string::npos;
+}
+
+bool srs_string_contains(string str, string flag0, string flag1, string flag2)
+{
+    return str.find(flag0) != string::npos || str.find(flag1) != string::npos || str.find(flag2) != string::npos;
+}
+
 int srs_do_create_dir_recursively(string dir)
 {
     int ret = ERROR_SUCCESS;

@@ -70,6 +70,8 @@ extern bool srs_string_starts_with(std::string str, std::string flag);
 extern bool srs_string_starts_with(std::string str, std::string flag0, std::string flag1);
 // whether string contains with
 extern bool srs_string_contains(std::string str, std::string flag);
+extern bool srs_string_contains(std::string str, std::string flag0, std::string flag1);
+extern bool srs_string_contains(std::string str, std::string flag0, std::string flag1, std::string flag2);
 
 // create dir recursively
 extern int srs_create_dir_recursively(std::string dir);

@@ -248,6 +248,9 @@ void check_macro_features()
 int main(int argc, char** argv) 
 {
     int ret = ERROR_SUCCESS;
+    
+    // first hello message.
+    srs_trace(RTMP_SIG_SRS_SERVER);
 
     // TODO: support both little and big endian.
     srs_assert(srs_is_little_endian());
@@ -290,7 +293,7 @@ int main(int argc, char** argv)
         return ret;
     }
     
-    srs_trace("srs(ossrs) "RTMP_SIG_SRS_VERSION);
+    srs_trace(RTMP_SIG_SRS_SERVER", stable is "RTMP_SIG_SRS_PRIMARY);
     srs_trace("license: "RTMP_SIG_SRS_LICENSE", "RTMP_SIG_SRS_COPYRIGHT);
     srs_trace("primary/master: "RTMP_SIG_SRS_PRIMARY);
     srs_trace("authors: "RTMP_SIG_SRS_AUTHROS);