Added untested Serial Port transport add-on.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3740 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/print/transports/serial_port/Jamfile

@@ -0,0 +1,14 @@
+SubDir OBOS_TOP src add-ons print transports serial_port ;
+
+SubDirHdrs [ FDirName $(OBOS_TOP) src add-ons print transports shared ] ;
+
+UsePrivateHeaders interface print ;
+
+Addon Serial\ Port
+	: print transport
+	: print_transport.cpp
+;
+
+LinkSharedOSLibs Serial\ Port : be libtransportaddon.a
+ ;
+

src/add-ons/print/transports/serial_port/print_transport.cpp

@@ -0,0 +1,89 @@
+/*****************************************************************************/
+// Serial port transport add-on.
+//
+// Author
+//   Michael Pfeiffer
+//
+// This application and all source files used in its construction, except 
+// where noted, are licensed under the MIT License, and have been written 
+// and are:
+//
+// Copyright (c) 2001-2003 OpenBeOS Project
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+// and/or sell copies of the Software, and to permit persons to whom the 
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included 
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+/*****************************************************************************/
+
+#include <unistd.h>
+#include <stdio.h>
+
+#include <StorageKit.h>
+#include <SupportKit.h>
+
+#include "TransportAddOn.h"
+
+class SerialPort : public BDataIO {
+	int fFile;
+	
+public:
+	SerialPort(BDirectory* printer, BMessage* msg);
+	~SerialPort();
+
+	status_t InitCheck() { return fFile > -1 ? B_OK : B_ERROR; }
+
+	ssize_t Read(void* buffer, size_t size);
+	ssize_t Write(const void* buffer, size_t size);
+};
+
+// Impelmentation of SerialPort
+SerialPort::SerialPort(BDirectory* printer, BMessage* msg) 
+	: fFile(-1)
+{
+	char address[80];
+	char device[B_PATH_NAME_LENGTH];
+
+	int size = printer->ReadAttr("transport_address", B_STRING_TYPE, 0, address, sizeof(address));
+	if (size <= 0 || size >= sizeof(address)) return;
+	address[size] = 0; // make sure string is 0-terminated
+		
+	strcat(strcpy(device, "/dev/port/"), address);
+	fFile = open(device, O_RDWR | O_EXCL | O_BINARY, 0);
+}
+
+SerialPort::~SerialPort() {
+	if (InitCheck() == B_OK) {
+		close(fFile); fFile = -1;
+	}
+}
+
+ssize_t SerialPort::Read(void* buffer, size_t size) {
+	return read(fFile, buffer, size);
+}
+
+ssize_t SerialPort::Write(const void* buffer, size_t size) {
+	return write(fFile, buffer, size);
+}
+
+BDataIO* instanciate_transport(BDirectory* printer, BMessage* msg) {
+	SerialPort* transport = new SerialPort(printer, msg);
+	if (transport->InitCheck() == B_OK) {
+		return transport;
+	} else {
+		delete transport; return NULL;
+	}
+}