added net module

source/core/net/fdset.cpp

@@ -0,0 +1,66 @@
+#include "matador/net/fdset.hpp"
+
+namespace matador {
+
+fdset::fdset()
+{
+  reset();
+}
+
+fdset::fdset(fdset&& x) noexcept
+: max_fd_set_(std::move(x.max_fd_set_))
+, fd_set_(x.fd_set_) {}
+
+fdset& fdset::operator=(fdset&& x) noexcept
+{
+  max_fd_set_ = std::move(x.max_fd_set_);
+  fd_set_ = x.fd_set_;
+  return *this;
+}
+
+// set all bits to zero
+void fdset::reset()
+{
+  FD_ZERO(&fd_set_);
+  max_fd_set_.clear();
+  max_fd_set_.insert(0);
+}
+
+bool fdset::is_set(socket_type fd) const
+{
+  return FD_ISSET(fd, &fd_set_) > 0;
+}
+
+void fdset::clear(socket_type fd)
+{
+  FD_CLR(fd, &fd_set_);
+  max_fd_set_.erase(fd);
+}
+
+void fdset::set(socket_type fd)
+{
+  FD_SET(fd, &fd_set_);
+  max_fd_set_.insert(fd);
+}
+
+socket_type fdset::maxp1() const
+{
+  return *max_fd_set_.begin();
+}
+
+size_t fdset::count() const
+{
+  return max_fd_set_.size() - 1;
+}
+
+bool fdset::empty() const
+{
+  return count() == 0;
+}
+
+fd_set* fdset::get()
+{
+  return &fd_set_;
+}
+
+}