added net module

include/matador/net/select_fd_sets.hpp

@@ -0,0 +1,132 @@
+#ifndef MATADOR_SELECT_FDSETS_HPP
+#define MATADOR_SELECT_FDSETS_HPP
+
+#include "matador/net/fdset.hpp"
+
+namespace matador {
+
+/**
+ * This class represents three fd sets
+ * needed for the system call to select.
+ */
+class select_fdsets
+{
+public:
+  /**
+   * These enum values are used
+   * to identify and access the three
+   * different fd sets
+   */
+  typedef enum {
+    read_type  = 0,     /**< Enum value for the read fd set */
+    write_type = 1,     /**< Enum value for the write fd set */
+    except_type         /**< Enum value for the exceptional fd set */
+  } fdset_type;
+
+  /**
+   * Returns the highest fd value over
+   * all three fd sets plus one. This is used
+   * by the system call to select.
+   *
+   * @return Highest fd value over all sets
+   */
+  socket_type maxp1() const;
+
+  /**
+   * Returns the fdset identified by the given type
+   *
+   * @param type Requested fdset type
+   * @return The requested fd set
+   */
+  fdset& fd_set(fdset_type type);
+
+  /**
+   * Returns the read fd set.
+   *
+   * @return The read fd set.
+   */
+  fdset& read_set();
+
+  /**
+   * Returns the read fd set.
+   *
+   * @return The read fd set.
+   */
+  const fdset& read_set() const;
+
+  /**
+   * Returns the write fd set.
+   *
+   * @return The write fd set.
+   */
+  fdset& write_set();
+
+  /**
+   * Returns the write fd set.
+   *
+   * @return The write fd set.
+   */
+  const fdset& write_set() const;
+
+  /**
+   * Returns the exceptional fd set.
+   *
+   * @return The exceptional fd set.
+   */
+  fdset& except_set();
+
+  /**
+   * Returns the exceptional fd set.
+   *
+   * @return The exceptional fd set.
+   */
+  const fdset& except_set() const;
+
+  /**
+   * Reset all bits in all three sets to zero
+   */
+  void reset();
+
+  /**
+   * Resets the fd set identified by the
+   * given type
+   *
+   * @param type Type of set to reset
+   */
+  void reset(fdset_type type);
+
+  /**
+   * Checks if the given fd is set in the fdset
+   * identified by the given type. If fd
+   * is set true returned.
+   *
+   * @param type Requested fd set type
+   * @param fd fd to check
+   * @return True if fd is set in fdset
+   */
+  bool is_set(fdset_type type, int fd) const;
+
+  /**
+   * Clears the given fd is set in the fdset
+   * identified by the given type.
+   *
+   * @param type Requested fd set type
+   * @param fd fd to clear
+   */
+  void clear(fdset_type type, int fd);
+
+  /**
+   * Sets the bit for the given fd is set
+   * in the fdset identified by the given type.
+   *
+   * @param type Requested fd set type
+   * @param fd fd to set
+   */
+  void set(fdset_type type, int fd);
+
+private:
+  fdset fdsets_[3];
+};
+
+}
+#endif //MATADOR_SELECT_FDSETS_HPP