fix memory leak at handshake. 2.0.213

@@ -340,6 +340,8 @@ Remark:
 
 
 ## History
 ## History
 
 
+* v2.0, 2016-09-05, fix memory leak at handshake. 2.0.213
+* v2.0, 2016-09-04, support valgrind for [patched st](https://github.com/ossrs/state-threads/issues/2).
 * v2.0, 2016-09-03, support all arm for [patched st](https://github.com/ossrs/state-threads/issues/1). 2.0.212
 * v2.0, 2016-09-03, support all arm for [patched st](https://github.com/ossrs/state-threads/issues/1). 2.0.212
 * v2.0, 2016-09-01, workaround [#511][bug #511] the fly stfd in close. 2.0.211
 * v2.0, 2016-09-01, workaround [#511][bug #511] the fly stfd in close. 2.0.211
 * v2.0, 2016-08-30, comment the pcr.
 * v2.0, 2016-08-30, comment the pcr.

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 // current release version
 #define VERSION_MAJOR       2
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       0
 #define VERSION_MINOR       0
-#define VERSION_REVISION    212
+#define VERSION_REVISION    213
 
 
 // generated by configure, only macros.
 // generated by configure, only macros.
 #include <srs_auto_headers.hpp>
 #include <srs_auto_headers.hpp>

@@ -152,6 +152,11 @@ namespace _srs_internal
     
     
     SrsDH::~SrsDH()
     SrsDH::~SrsDH()
     {
     {
+        close();
+    }
+    
+    void SrsDH::close()
+    {
         if (pdh != NULL) {
         if (pdh != NULL) {
             if (pdh->p != NULL) {
             if (pdh->p != NULL) {
                 BN_free(pdh->p);
                 BN_free(pdh->p);
@@ -249,7 +254,9 @@ namespace _srs_internal
     {
     {
         int ret = ERROR_SUCCESS;
         int ret = ERROR_SUCCESS;
         
         
-        int32_t bits_count = 1024; 
+        int32_t bits_count = 1024;
+        
+        close();
         
         
         //1. Create the DH
         //1. Create the DH
         if ((pdh = DH_new()) == NULL) {
         if ((pdh = DH_new()) == NULL) {

@@ -59,6 +59,8 @@ namespace _srs_internal
     public:
     public:
         SrsDH();
         SrsDH();
         virtual ~SrsDH();
         virtual ~SrsDH();
+    private:
+        virtual void close();
     public:
     public:
         /**
         /**
         * initialize dh, generate the public and private key.
         * initialize dh, generate the public and private key.