From cd215f0da23e16c3f1a7200f2b9f67f23c9b4be7 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Fri, 23 Nov 2007 22:58:19 +0000
Subject: Added the Process stream class, this will allow us to do some really
 cool stuff coming up...it's just like popen only cool and managed, and
 streamey.

---
 src/process.cpp | 146 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/process.cpp

(limited to 'src/process.cpp')

diff --git a/src/process.cpp b/src/process.cpp
new file mode 100644
index 0000000..8fe98f3
--- /dev/null
+++ b/src/process.cpp
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2007 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#include "process.h"
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+Bu::Process::Process( const char *sName, char *const argv[] )
+{
+	gexec( sName, argv );
+}
+
+Bu::Process::Process( const char *sName, const char *argv, ...)
+{
+	int iCnt = 0;
+	va_list ap;
+	va_start( ap, argv );
+	for(; va_arg( ap, const char *); iCnt++ );
+	va_end( ap );
+
+	char const **list = new char const *[iCnt+2];
+	va_start( ap, argv );
+	list[0] = argv;
+	for( int j = 1; j < iCnt; j++ )
+		list[j] = va_arg( ap, const char *);
+	list[iCnt+1] = NULL;
+	va_end( ap );
+
+	gexec( sName, (char *const *)list );
+	delete[] list;
+}
+
+Bu::Process::~Process()
+{
+}
+
+void Bu::Process::gexec( const char *sName, char *const argv[] )
+{
+	int iaStdIn[2];
+	int iaStdOut[2];
+	int iaStdErr[2];
+	pipe( iaStdIn );
+	pipe( iaStdOut );
+	pipe( iaStdErr );
+
+	iStdIn = iaStdIn[1];
+	iStdOut = iaStdOut[0];
+	iStdErr = iaStdErr[0];
+
+	iPid = fork();
+	if( iPid == 0 )
+	{
+		::close( iaStdIn[1] );
+		::close( iaStdOut[0] );
+		::close( iaStdErr[0] );
+		dup2( iaStdIn[0], 0 );
+		dup2( iaStdOut[1], 1 );
+		dup2( iaStdErr[1], 2 );
+		execvp( sName, argv );
+	}
+}
+
+void Bu::Process::close()
+{
+}
+
+size_t Bu::Process::read( void *pBuf, size_t nBytes )
+{
+	return ::read( iStdOut, pBuf, nBytes );
+}
+
+size_t Bu::Process::write( const void *pBuf, size_t nBytes )
+{
+	return ::write( iStdIn, pBuf, nBytes );
+}
+
+long Bu::Process::tell()
+{
+	return 0;
+}
+
+void Bu::Process::seek( long offset )
+{
+}
+
+void Bu::Process::setPos( long pos )
+{
+}
+
+void Bu::Process::setPosEnd( long pos )
+{
+}
+
+bool Bu::Process::isEOS()
+{
+	return false;
+}
+
+bool Bu::Process::isOpen()
+{
+	return true;
+}
+
+void Bu::Process::flush()
+{
+}
+
+bool Bu::Process::canRead()
+{
+	return true;
+}
+
+bool Bu::Process::canWrite()
+{
+	return true;
+}
+
+bool Bu::Process::isReadable()
+{
+	return true;
+}
+
+bool Bu::Process::isWritable()
+{
+	return true;
+}
+
+bool Bu::Process::isSeekable()
+{
+	return false;
+}
+
+bool Bu::Process::isBlocking()
+{
+	return true;
+}
+
+void Bu::Process::setBlocking( bool bBlocking )
+{
+}
+
-- 
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