add eConsoleAppContainer to execute shell scripts or applications from python without blocking the mainloop

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/base/console.h b/lib/base/console.h
new file mode 100644
index 00000000..bfa02407
--- /dev/null
+++ b/lib/base/console.h
@@ -0,0 +1,48 @@
+#ifndef __LIB_BASE_CONSOLE_H__
+#define __LIB_BASE_CONSOLE_H__
+
+#include <string>
+#include <lib/base/ebase.h>
+#include <lib/python/connections.h>
+#include <queue>
+
+#ifndef SWIG
+struct queue_data
+{
+	queue_data( char *data, int len )
+		:data(data), len(len)
+	{
+	}
+	char *data;
+	int len;
+};
+#endif
+
+class eConsoleAppContainer: public Object
+{
+#ifndef SWIG
+	int fd[3];
+	int pid;
+	int killstate;
+	std::queue<struct queue_data> outbuf;
+	eSocketNotifier *in, *out, *err;
+	void readyRead(int what);
+	void readyErrRead(int what);
+	void readyWrite(int what);
+	void closePipes();
+#endif
+public:
+	eConsoleAppContainer();
+	int execute( const std::string &str );
+	~eConsoleAppContainer();
+	int getPID() { return pid; }
+	void kill();
+	void sendCtrlC();
+	void write( const char *data, int len );
+	bool running() { return (fd[0]!=-1) && (fd[1]!=-1) && (fd[2]!=-1); }
+	PSignal1Str<void, const char*> dataAvail;
+	PSignal1<void,int> dataSent;
+	PSignal1<void,int> appClosed;
+};
+
+#endif // __LIB_BASE_CONSOLE_H__