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.

1 files changed, 146 insertions, 0 deletions

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 )
+{
+}
+