X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8907154c1a8a6882c6797d1f16393ddfb23e7f3a..c56ae04274fda26269c6d06be34cf59a45eb70ce:/src/common/socket.cpp

diff --git a/src/common/socket.cpp b/src/common/socket.cpp
index 43704880e8..05f337bfc3 100644
--- a/src/common/socket.cpp
+++ b/src/common/socket.cpp
@@ -36,7 +36,7 @@
 
 #include "wx/sckaddr.h"
 #include "wx/socket.h"
-#include "wx/stopwatch.h"
+#include "wx/datetime.h"
 
 // DLL options compatibility check:
 #include "wx/build.h"
@@ -95,7 +95,7 @@ public:
 public:
   wxSocketState() : wxObject() {}
 
-    DECLARE_NO_COPY_CLASS(wxSocketState)
+  DECLARE_NO_COPY_CLASS(wxSocketState)
 };
 
 // ==========================================================================
@@ -159,7 +159,7 @@ void wxSocketBase::Shutdown()
 {
     // we should be initialized
     wxASSERT_MSG( m_countInit, _T("extra call to Shutdown()") );
-    if ( !--m_countInit )
+    if ( --m_countInit == 0 )
     {
         GSocket_Cleanup();
     }
@@ -694,9 +694,7 @@ bool wxSocketBase::_Wait(long seconds,
   else
     timeout = m_timeout * 1000;
 
-#if !defined(wxUSE_GUI) || !wxUSE_GUI
-  m_socket->SetTimeout(timeout);
-#endif
+  bool has_event_loop = wxTheApp ? (wxTheApp->GetTraits() ? true : false) : false;
 
   // Wait in an active polling loop.
   //
@@ -708,8 +706,20 @@ bool wxSocketBase::_Wait(long seconds,
   // Do this at least once (important if timeout == 0, when
   // we are just polling). Also, if just polling, do not yield.
 
-  wxStopWatch chrono;
+  wxDateTime current_time = wxDateTime::UNow();
+  unsigned int time_limit = (current_time.GetTicks() * 1000) + current_time.GetMillisecond() + timeout;
   bool done = false;
+  bool valid_result = false;
+
+  if (!has_event_loop) 
+  {
+    // This is used to avoid a busy loop on wxBase - having a select
+    // timeout of 50 ms per iteration should be enough.
+    if (timeout > 50)
+      m_socket->SetTimeout(50);
+    else
+      m_socket->SetTimeout(timeout);
+  }
 
   while (!done)
   {
@@ -720,13 +730,15 @@ bool wxSocketBase::_Wait(long seconds,
     {
       m_connected = true;
       m_establishing = false;
-      return true;
+      valid_result = true;
+      break;
     }
 
     // Data available or output buffer ready
     if ((result & GSOCK_INPUT_FLAG) || (result & GSOCK_OUTPUT_FLAG))
     {
-      return true;
+      valid_result = true;
+      break;
     }
 
     // Connection lost
@@ -734,17 +746,35 @@ bool wxSocketBase::_Wait(long seconds,
     {
       m_connected = false;
       m_establishing = false;
-      return (flags & GSOCK_LOST_FLAG) != 0;
+      valid_result = ((flags & GSOCK_LOST_FLAG) != 0);
+      break;
     }
 
     // Wait more?
-    if ((!timeout) || (chrono.Time() > timeout) || (m_interrupt))
+    current_time = wxDateTime::UNow();
+    int time_left = time_limit - ((current_time.GetTicks() * 1000) + current_time.GetMillisecond());
+    if ((!timeout) || (time_left <= 0) || (m_interrupt))
       done = true;
     else
-      PROCESS_EVENTS();
+    {
+      if (has_event_loop) 
+      {
+          PROCESS_EVENTS();
+      }
+      else 
+      {
+        // If there's less than 50 ms left, just call select with that timeout.
+        if (time_left < 50)
+          m_socket->SetTimeout(time_left);
+      }
+    }
   }
 
-  return false;
+  // Set timeout back to original value (we overwrote it for polling)
+  if (!has_event_loop)
+    m_socket->SetTimeout(m_timeout*1000);
+
+  return valid_result;
 }
 
 bool wxSocketBase::Wait(long seconds, long milliseconds)
@@ -762,7 +792,7 @@ bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
     return true;
 
   // Note that GSOCK_INPUT_LOST has to be explicitly passed to
-  // _Wait becuase of the semantics of WaitForRead: a return
+  // _Wait because of the semantics of WaitForRead: a return
   // value of true means that a GSocket_Read call will return
   // immediately, not that there is actually data to read.
 
@@ -1053,7 +1083,7 @@ wxUint32 wxSocketBase::GetPushback(void *buffer, wxUint32 size, bool peek)
 // Ctor
 // --------------------------------------------------------------------------
 
-wxSocketServer::wxSocketServer(wxSockAddress& addr_man,
+wxSocketServer::wxSocketServer(const wxSockAddress& addr_man,
                                wxSocketFlags flags)
               : wxSocketBase(flags, wxSOCKET_SERVER)
 {
@@ -1173,6 +1203,21 @@ bool wxSocketBase::SetOption(int level, int optname, const void *optval,
     return true;
 }
 
+bool wxSocketBase::SetLocal(wxIPV4address& local)
+{
+  GAddress* la = local.GetAddress();
+
+  // If the address is valid, save it for use when we call Connect
+  if (la && la->m_addr)
+  {
+    m_localAddress = local;
+
+    return true;
+  }
+
+  return false;
+}
+
 // ==========================================================================
 // wxSocketClient
 // ==========================================================================
@@ -1194,7 +1239,7 @@ wxSocketClient::~wxSocketClient()
 // Connect
 // --------------------------------------------------------------------------
 
-bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait)
+bool wxSocketClient::DoConnect(wxSockAddress& addr_man, wxSockAddress* local, bool wait)
 {
   GSocketError err;
 
@@ -1224,6 +1269,27 @@ bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait)
   if (!wait)
     m_socket->SetNonBlocking(1);
 
+  // Reuse makes sense for clients too, if we are trying to rebind to the same port
+  if (GetFlags() & wxSOCKET_REUSEADDR)
+  {
+    m_socket->SetReusable();
+  }
+
+  // If no local address was passed and one has been set, use the one that was Set
+  if (!local && m_localAddress.GetAddress())
+  {
+    local = &m_localAddress;
+  }
+
+  // Bind to the local IP address and port, when provided
+  if (local)
+  {
+    GAddress* la = local->GetAddress();
+
+    if (la && la->m_addr)
+      m_socket->SetLocal(la);
+  }
+
   m_socket->SetPeer(addr_man.GetAddress());
   err = m_socket->Connect(GSOCK_STREAMED);
 
@@ -1242,6 +1308,16 @@ bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait)
   return true;
 }
 
+bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait)
+{
+  return (DoConnect(addr_man, NULL, wait));
+}
+
+bool wxSocketClient::Connect(wxSockAddress& addr_man, wxSockAddress& local, bool wait)
+{
+  return (DoConnect(addr_man, &local, wait));
+}
+
 bool wxSocketClient::WaitOnConnect(long seconds, long milliseconds)
 {
   if (m_connected)                      // Already connected
@@ -1260,7 +1336,7 @@ bool wxSocketClient::WaitOnConnect(long seconds, long milliseconds)
 
 /* NOTE: experimental stuff - might change */
 
-wxDatagramSocket::wxDatagramSocket( wxSockAddress& addr,
+wxDatagramSocket::wxDatagramSocket( const wxSockAddress& addr,
                                     wxSocketFlags flags )
                 : wxSocketBase( flags, wxSOCKET_DATAGRAM )
 {
@@ -1300,7 +1376,7 @@ wxDatagramSocket& wxDatagramSocket::RecvFrom( wxSockAddress& addr,
     return (*this);
 }
 
-wxDatagramSocket& wxDatagramSocket::SendTo( wxSockAddress& addr,
+wxDatagramSocket& wxDatagramSocket::SendTo( const wxSockAddress& addr,
                                             const void* buf,
                                             wxUint32 nBytes )
 {