add stronger constraint over reconn_delay calculation

melode11 · melode11 · commit 8ca73b832ffc · 2015-06-03T09:44:53.000+08:00
diff --git a/src/internal/sio_client_impl.cpp b/src/internal/sio_client_impl.cpp
@@ -328,7 +328,8 @@ namespace sio
     unsigned client_impl::next_delay() const
     {
         //no jitter, fixed power root.
-        return static_cast<unsigned>(min<double>(m_reconn_delay * pow(1.5,m_reconn_made),m_reconn_delay_max));
+        unsigned reconn_made = min<unsigned>(m_reconn_made,32);//protect the pow result to be too big.
+        return static_cast<unsigned>(min<double>(m_reconn_delay * pow(1.5,reconn_made),m_reconn_delay_max));
     }
 
     socket::ptr client_impl::get_socket_locked(string const& nsp)

Original file line number	Diff line number	Diff line change
`@@ -328,7 +328,8 @@ namespace sio`
`328`	`328`	`unsigned client_impl::next_delay() const`
`329`	`329`	`{`
`330`	`330`	`//no jitter, fixed power root.`
`331`		`- return static_cast<unsigned>(min<double>(m_reconn_delay * pow(1.5,m_reconn_made),m_reconn_delay_max));`
	`331`	`+ unsigned reconn_made = min<unsigned>(m_reconn_made,32);//protect the pow result to be too big.`
	`332`	`+ return static_cast<unsigned>(min<double>(m_reconn_delay * pow(1.5,reconn_made),m_reconn_delay_max));`
`332`	`333`	`}`
`333`	`334`
`334`	`335`	`socket::ptr client_impl::get_socket_locked(string const& nsp)`