added mule messaging subsystem

plugins/python/python_plugin.c

@@ -525,11 +525,8 @@ void init_uwsgi_embedded_module() {
 		}
 	}
 
-	uwsgi_log("getting exported opts\n");
-
 	PyObject *py_opt_dict = PyDict_New();
 	for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
-		uwsgi_log("%s = %s\n", uwsgi.exported_opts[i]->key, uwsgi.exported_opts[i]->value);
 		if (PyDict_Contains(py_opt_dict, PyString_FromString(uwsgi.exported_opts[i]->key))) {
 			PyObject *py_opt_item = PyDict_GetItemString(py_opt_dict, uwsgi.exported_opts[i]->key);
 			if (PyList_Check(py_opt_item)) {
@@ -563,8 +560,6 @@ void init_uwsgi_embedded_module() {
 		}
 	}
 
-	uwsgi_log("DONE\n");
-
 	if (PyDict_SetItemString(up.embedded_dict, "opt", py_opt_dict)) {
 		PyErr_Print();
 		exit(1);
@@ -910,9 +905,7 @@ void uwsgi_python_init_apps() {
 #endif
 	}
 
-	uwsgi_log("init_pyargv\n");
 	init_pyargv();
-	uwsgi_log("init_pyargv\n");
 
 #ifndef UWSGI_PYPY
 #ifdef UWSGI_EMBEDDED
@@ -920,7 +913,6 @@ void uwsgi_python_init_apps() {
 #endif
 #endif
 
-	uwsgi_log("init_pyargv\n");
 
 #ifdef __linux__
 #if !defined(PYTHREE) && !defined(UWSGI_PYPY)
@@ -935,8 +927,6 @@ void uwsgi_python_init_apps() {
                 exit(1);
         }
 
-	uwsgi_log("init_pyargv\n");
-
         init_uwsgi_vars();
 
         // setup app loaders
@@ -1404,6 +1394,19 @@ void uwsgi_python_hijack(void) {
 #endif
 }
 
+int uwsgi_python_mule(char *opt) {
+
+	if (uwsgi_endswith(opt, ".py")) {
+		UWSGI_GET_GIL;
+		uwsgi_pyimport_by_filename("__main__", opt);
+		UWSGI_RELEASE_GIL;
+		return 1;
+	}
+	
+	return 0;
+	
+}
+
 struct uwsgi_plugin python_plugin = {
 
 	.name = "python",
@@ -1440,6 +1443,8 @@ struct uwsgi_plugin python_plugin = {
 	.signal_handler = uwsgi_python_signal_handler,
 	.rpc = uwsgi_python_rpc,
 
+	.mule = uwsgi_python_mule,
+
 	.spooler = uwsgi_python_spooler,
 
 	.code_string = uwsgi_python_code_string,

plugins/python/uwsgi_pymodule.c

@@ -1050,6 +1050,52 @@ PyObject *py_uwsgi_embedded_data(PyObject * self, PyObject * args) {
 
 }
 
+PyObject *py_uwsgi_mule_msg(PyObject * self, PyObject * args) {
+
+	char *message = NULL;
+	Py_ssize_t message_len = 0;
+	int mule_id = 0;
+	ssize_t len;
+
+	if (!PyArg_ParseTuple(args, "s#|i:mule_msg", &message, &message_len, &mule_id)) {
+                return NULL;
+        }
+
+	if (mule_id == 0) {
+	}
+	else if (mule_id > 0 && mule_id <= uwsgi.mules_cnt) {
+		len = write(uwsgi.mules[mule_id-1].queue_pipe[0], message, message_len);
+		if (len <= 0) {
+			uwsgi_error("write()");
+		}
+	}
+
+	Py_INCREF(Py_None);
+	return Py_None;
+	
+}
+
+PyObject *py_uwsgi_mule_get_msg(PyObject * self, PyObject * args) {
+
+	ssize_t len;
+	// this buffer will be configurable
+	char message[65536];
+
+	if (uwsgi.muleid == 0) {
+		return PyErr_Format(PyExc_ValueError, "you can receive mule messages only in a mule !!!");
+	}
+	UWSGI_RELEASE_GIL;
+	len = read(uwsgi.mules[uwsgi.muleid-1].queue_pipe[1], message, 65536);
+	UWSGI_GET_GIL;
+	if (len <= 0) {
+		uwsgi_error("read()");
+		Py_INCREF(Py_None);
+        	return Py_None;
+	}
+
+	return PyString_FromStringAndSize(message, len);
+}
+
 PyObject *py_uwsgi_extract(PyObject * self, PyObject * args) {
 
         char *name;
@@ -2784,6 +2830,9 @@ static PyMethodDef uwsgi_advanced_methods[] = {
 	{"parsefile", py_uwsgi_parse_file, METH_VARARGS, ""},
 	{"embedded_data", py_uwsgi_embedded_data, METH_VARARGS, ""},
 	{"extract", py_uwsgi_extract, METH_VARARGS, ""},
+
+	{"mule_msg", py_uwsgi_mule_msg, METH_VARARGS, ""},
+	{"mule_get_msg", py_uwsgi_mule_get_msg, METH_VARARGS, ""},
 	//{"call_hook", py_uwsgi_call_hook, METH_VARARGS, ""},
 
 	{NULL, NULL},