fix async call and hls_nb_notify bug.

@@ -87,7 +87,7 @@ int SrsDvrAsyncCallThread::cycle()
     for (it = copies.begin(); it != copies.end(); ++it) {
         ISrsDvrAsyncCall* call = *it;
         if ((ret = call->call()) != ERROR_SUCCESS) {
-            srs_warn("dvr: ignore callback %s, ret=%d", call->to_string().c_str(), ret);
+            srs_warn("ignore async callback %s, ret=%d", call->to_string().c_str(), ret);
         }
         srs_freep(call);
     }

@@ -2440,22 +2440,6 @@ SrsConfDirective* SrsConfig::get_vhost_on_hls_notify(string vhost)
     return conf->get("on_hls_notify");
 }
 
-int SrsConfig::get_vhost_hls_nb_notify(string vhost)
-{
-    SrsConfDirective* conf = get_vhost_http_hooks(vhost);
-    
-    if (!conf) {
-        return SRS_CONF_DEFAULT_HLS_NB_NOTIFY;
-    }
-    
-    conf = conf->get("hls_nb_notify");
-    if (!conf || conf->arg0().empty()) {
-        return SRS_CONF_DEFAULT_HLS_NB_NOTIFY;
-    }
-    
-    return ::atoi(conf->arg0().c_str());
-}
-
 bool SrsConfig::get_bw_check_enabled(string vhost)
 {
     SrsConfDirective* conf = get_vhost(vhost);
@@ -3434,6 +3418,22 @@ string SrsConfig::get_hls_vcodec(string vhost)
     return conf->arg0();
 }
 
+int SrsConfig::get_vhost_hls_nb_notify(string vhost)
+{
+    SrsConfDirective* conf = get_hls(vhost);
+    
+    if (!conf) {
+        return SRS_CONF_DEFAULT_HLS_NB_NOTIFY;
+    }
+    
+    conf = conf->get("hls_nb_notify");
+    if (!conf || conf->arg0().empty()) {
+        return SRS_CONF_DEFAULT_HLS_NB_NOTIFY;
+    }
+    
+    return ::atoi(conf->arg0().c_str());
+}
+
 bool SrsConfig::get_hls_cleanup(string vhost)
 {
     SrsConfDirective* hls = get_hls(vhost);

@@ -652,11 +652,6 @@ public:
      * @return the on_hls_notify callback directive, the args is the url to callback.
      */
     virtual SrsConfDirective*   get_vhost_on_hls_notify(std::string vhost);
-    /**
-     * get the size of bytes to read from cdn network, for the on_hls_notify callback,
-     * that is, to read max bytes of the bytes from the callback, or timeout or error.
-     */
-    virtual int                 get_vhost_hls_nb_notify(std::string vhost);
 // bwct(bandwidth check tool) section
 public:
     /**
@@ -965,8 +960,12 @@ public:
      * whether cleanup the old ts files.
      */
     virtual bool                get_hls_cleanup(std::string vhost);
-
-    // hds section
+    /**
+     * get the size of bytes to read from cdn network, for the on_hls_notify callback,
+     * that is, to read max bytes of the bytes from the callback, or timeout or error.
+     */
+    virtual int                 get_vhost_hls_nb_notify(std::string vhost);
+// hds section
 private:
     /**
     * get the hds directive of vhost.

@@ -42,6 +42,7 @@ using namespace std;
 #define SRS_HTTP_RESPONSE_OK    SRS_XSTR(ERROR_SUCCESS)
 
 #define SRS_HTTP_HEADER_BUFFER        1024
+#define SRS_HTTP_READ_BUFFER    4096
 #define SRS_HTTP_BODY_BUFFER        32 * 1024
 
 // the timeout for hls notify, in us.
@@ -363,15 +364,18 @@ int SrsHttpHooks::on_hls_notify(std::string url, SrsRequest* req, std::string ts
     }
     SrsAutoFree(SrsHttpMessage, msg);
     
+    int nb_buf = srs_min(nb_notify, SRS_HTTP_READ_BUFFER);
+    char* buf = new char[nb_buf];
+    SrsAutoFree(char, buf);
+    
     int nb_read = 0;
     ISrsHttpResponseReader* br = msg->body_reader();
     while (nb_read < nb_notify && !br->eof()) {
-        char buf[64]; // only read a little of bytes of ts.
-        int nb_buf = 64;
-        if ((ret = br->read(buf, nb_buf, &nb_buf)) != ERROR_SUCCESS) {
+        int nb_bytes = 0;
+        if ((ret = br->read(buf, nb_buf, &nb_bytes)) != ERROR_SUCCESS) {
             break;
         }
-        nb_read += nb_buf;
+        nb_read += nb_bytes;
     }
     
     int spenttime = (int)(srs_update_system_time_ms() - starttime);