#include "i18n.h"
-#define _XOPEN_SOURCE 600 // force XSI for non-GNU strerror_r()
-
#include <sstream>
+
#include <cstring>
#include <cerrno>
-
using namespace std;
using namespace Mackie;
+SurfacePort::SurfacePort()
+: _port( 0 ), _number( 0 ), _active( false )
+{
+}
+
SurfacePort::SurfacePort( MIDI::Port & port, int number )
-: _port( port ), _number( number ), _active( false )
+: _port( &port ), _number( number ), _active( false )
{
}
SurfacePort::~SurfacePort()
{
- //cout << "~SurfacePort::SurfacePort()" << endl;
+#ifdef PORT_DEBUG
+ cout << "~SurfacePort::SurfacePort()" << endl;
+#endif
// make sure another thread isn't reading or writing as we close the port
Glib::RecMutex::Lock lock( _rwlock );
_active = false;
- //cout << "~SurfacePort::SurfacePort() finished" << endl;
+#ifdef PORT_DEBUG
+ cout << "~SurfacePort::SurfacePort() finished" << endl;
+#endif
}
+// wrapper for one day when strerror_r is working properly
+string fetch_errmsg( int error_number )
+{
+ char * msg = strerror( error_number );
+ return msg;
+}
+
MidiByteArray SurfacePort::read()
{
const int max_buf_size = 512;
if ( !active() ) return retval;
// return nothing read if the lock isn't acquired
+#if 0
Glib::RecMutex::Lock lock( _rwlock, Glib::TRY_LOCK );
if ( !lock.locked() )
{
- //cout << "SurfacePort::read not locked" << endl;
+ cout << "SurfacePort::read not locked" << endl;
return retval;
}
// check active again - destructor sequence
if ( !active() ) return retval;
+#endif
// read port and copy to return value
int nread = port().read( buf, sizeof (buf) );
retval.copy( nread, buf );
if ((size_t) nread == sizeof (buf))
{
+#ifdef PORT_DEBUG
+ cout << "SurfacePort::read recursive" << endl;
+#endif
retval << read();
}
}
if ( errno != EAGAIN )
{
ostringstream os;
- os << "Surface: error reading from port: " << port().name() << ": " << errno;
+ os << "Surface: error reading from port: " << port().name();
+ os << ": " << errno << fetch_errmsg( errno );
- char buf[512];
- int result = strerror_r( errno, buf, 512 );
- if (!result) {
- os << " " << buf;
- }
-
cout << os.str() << endl;
inactive_event();
throw MackieControlException( os.str() );
}
}
+#ifdef PORT_DEBUG
+ cout << "SurfacePort::read: " << retval << endl;
+#endif
return retval;
}
void SurfacePort::write( const MidiByteArray & mba )
{
- //if ( mba[0] == 0xf0 ) cout << "SurfacePort::write: " << mba << endl;
- //cout << "SurfacePort::write: " << mba << endl;
+#ifdef PORT_DEBUG
+ cout << "SurfacePort::write: " << mba << endl;
+#endif
// check active before and after lock - to make sure
// that the destructor doesn't destroy the mutex while
Glib::RecMutex::Lock lock( _rwlock );
if ( !active() ) return;
- int count = port().write( mba.bytes().get(), mba.size() );
+ int count = port().write( mba.bytes().get(), mba.size(), 0);
if ( count != (int)mba.size() )
{
- if ( errno != EAGAIN )
+ if ( errno == 0 )
+ {
+ cout << "port overflow on " << port().name() << ". Did not write all of " << mba << endl;
+ }
+ else if ( errno != EAGAIN )
{
ostringstream os;
- os << "Surface: couldn't write to port " << port().name() << ": " << errno;
- char buf[512];
- int result = strerror_r( errno, buf, 512 );
-
- if (!result) {
- os << " " << buf;
- }
-
- cout << os.str();
+ os << "Surface: couldn't write to port " << port().name();
+ os << ", error: " << fetch_errmsg( errno ) << "(" << errno << ")";
+
+ cout << os.str() << endl;
inactive_event();
- throw MackieControlException( os.str() );
}
}
- //if ( mba[0] == 0xf0 ) cout << "SurfacePort::write " << count << endl;
+#ifdef PORT_DEBUG
+ cout << "SurfacePort::wrote " << count << endl;
+#endif
}
void SurfacePort::write_sysex( const MidiByteArray & mba )
write( buf );
}
-// This should be moved to midi++ at some point
-ostream & operator << ( ostream & os, const MIDI::Port & port )
-{
- os << "device: " << port.device();
- os << "; ";
- os << "name: " << port.name();
- os << "; ";
- os << "type: " << port.type();
- os << "; ";
- os << "mode: " << port.mode();
- os << "; ";
- os << "ok: " << port.ok();
- os << "; ";
- os << "number: " << port.number();
- os << "; ";
- return os;
-}
-
ostream & Mackie::operator << ( ostream & os, const SurfacePort & port )
{
os << "{ ";
os << "; ";
os << "name: " << port.port().name();
os << "; ";
- os << "number: " << port.number();
os << " }";
return os;
}