Changeset 10:9cf218bd97ba in xplcommon

Timestamp:

12/29/12 09:02:58 (11 years ago)

Author:

István Váradi <ivaradi@…>

Branch:

default

hg-Phase:

(<MercurialRepository 2 'hg:/home/ivaradi/xplane/hg/xplcommon' '/'>, 'public')

Message:

Added default implementations of read and write

Location:

src/xplcommon/posix

Files:

• BufferedWaitable.cc (modified) (2 diffs)
• BufferedWaitable.h (modified) (1 diff)

src/xplcommon/posix/BufferedWaitable.cc

@@ -35 +35 @@
 #include "WritingBuffer.h"
 
+#include <unistd.h>
 #include <poll.h>
 
@@ -65 +66 @@
 //------------------------------------------------------------------------------
 
+ssize_t BufferedWaitable::read(void* dest, size_t length)
+{
+    return ::read(fd, dest, length);
+}
+
+//------------------------------------------------------------------------------
+
+ssize_t BufferedWaitable::write(const void* src, size_t length)
+{
+    return ::write(fd, src, length);
+}
+
+//------------------------------------------------------------------------------
+
 bool BufferedWaitable::isReady()
 {

src/xplcommon/posix/BufferedWaitable.h

@@ -103 +103 @@
 protected:
     /**
-     * Read using the file descriptor into the given buffer.
+     * Read using the file descriptor at most the given number of
+     * bytes into the given buffer.
+     *
+     * This default implementation uses the read(2) function for
+     * reading.
+     *
+     * @return the number of bytes read (0 in case of end-of-file or
+     * when the connection is closed), -1 on error.
      */
-    virtual ssize_t read(void* dest, size_t length) = 0;
+    virtual ssize_t read(void* dest, size_t length);
 
     /**
-     * Write using the file descriptor from the given buffer.
+     * Write using the file descriptor the given number of bytes from
+     * the given buffer.
+     *
+     * This default implementation uses the write(2) function for
+     * writing.
+     *
+     * @return the number of bytes written, or -1 on error.
      */
-    virtual ssize_t write(const void* src, size_t length) = 0;
+    virtual ssize_t write(const void* src, size_t length);
 
     /**