Add SocketEngine::WriteV()

[user/henk/code/inspircd.git] / src / socketengine.cpp

diff --git a/src/socketengine.cpp b/src/socketengine.cpp
index 1c91ccdea0c37f52d6cb5d1ac2c8469bd79004aa..eadfc73d3e7b1bebdfb28afdc3304180d095d814 100644 (file)
--- a/src/socketengine.cpp
+++ b/src/socketengine.cpp
@@ -224,6 +224,33 @@ int SocketEngine::SendTo(EventHandler* fd, const void *buf, size_t len, int flag
        return nbSent;
 }
 
+int SocketEngine::WriteV(EventHandler* fd, const IOVector* iovec, int count)
+{
+       int sent = writev(fd->GetFd(), iovec, count);
+       if (sent > 0)
+               stats.Update(0, sent);
+       return sent;
+}
+
+#ifdef _WIN32
+int SocketEngine::WriteV(EventHandler* fd, const iovec* iovec, int count)
+{
+       // On Windows the fields in iovec are not in the order required by the Winsock API; IOVector has
+       // the fields in the correct order.
+       // Create temporary IOVectors from the iovecs and pass them to the WriteV() method that accepts the
+       // platform's native struct.
+       IOVector wiovec[128];
+       count = std::min(count, static_cast<int>(sizeof(wiovec) / sizeof(IOVector)));
+
+       for (int i = 0; i < count; i++)
+       {
+               wiovec[i].iov_len = iovec[i].iov_len;
+               wiovec[i].iov_base = reinterpret_cast<char*>(iovec[i].iov_base);
+       }
+       return WriteV(fd, wiovec, count);
+}
+#endif
+
 int SocketEngine::Connect(EventHandler* fd, const sockaddr *serv_addr, socklen_t addrlen)
 {
        int ret = connect(fd->GetFd(), serv_addr, addrlen);