Initial commit

Change-Id: I6a4444e3c193dae437cd7929f4c39aba7b749efa
diff --git a/extensions/dbg_interactive/messages.i b/extensions/dbg_interactive/messages.i
new file mode 100644
index 0000000..3d13e5d
--- /dev/null
+++ b/extensions/dbg_interactive/messages.i
@@ -0,0 +1,615 @@
+/*********************************************************************************************************
+* Software License Agreement (BSD License)                                                               *
+* Author: Sebastien Decugis <sdecugis@freediameter.net>							 *
+*													 *
+* Copyright (c) 2013, WIDE Project and NICT								 *
+* All rights reserved.											 *
+* 													 *
+* Redistribution and use of this software in source and binary forms, with or without modification, are  *
+* permitted provided that the following conditions are met:						 *
+* 													 *
+* * Redistributions of source code must retain the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer.										 *
+*    													 *
+* * Redistributions in binary form must reproduce the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer in the documentation and/or other						 *
+*   materials provided with the distribution.								 *
+* 													 *
+* * Neither the name of the WIDE Project or NICT nor the 						 *
+*   names of its contributors may be used to endorse or 						 *
+*   promote products derived from this software without 						 *
+*   specific prior written permission of WIDE Project and 						 *
+*   NICT.												 *
+* 													 *
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
+* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 	 *
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 	 *
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
+* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF   *
+* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.								 *
+*********************************************************************************************************/
+
+/* Do not include this directly, use dbg_interactive.i instead */
+
+/****** MESSAGES *********/
+
+%{
+struct anscb_py_layer {
+	PyObject * cb;
+	PyObject * expcb;
+	PyObject * data;
+};
+
+/* If a python callback was provided, it is received in cbdata */
+static void anscb_python(void *cbdata, struct msg ** msg) {
+	/* The python callback is received in cbdata */
+	PyObject * result, *PyMsg;
+	struct anscb_py_layer * l = cbdata;
+	
+	if (!l) {
+		fd_log_debug("Internal error! Python callback disappeared...");
+		return;
+	}
+	
+	if (l->cb) {
+	
+		SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+
+		if (!msg || !*msg) {
+			PyMsg = Py_None;
+		} else {
+			PyMsg = SWIG_NewPointerObj((void *)*msg,     SWIGTYPE_p_msg,     0 );
+		}
+
+		result = PyObject_CallFunction(l->cb, "(OO)", PyMsg, l->data);
+		Py_XDECREF(l->cb);
+		Py_XDECREF(l->expcb);
+		Py_XDECREF(l->data);
+		free(l);
+
+		/* The callback is supposed to return a message or NULL */
+		if (!SWIG_IsOK(SWIG_ConvertPtr(result, (void *)msg, SWIGTYPE_p_msg, SWIG_POINTER_DISOWN))) {
+			fd_log_debug("Error: Cannot convert the return value to message.");
+			*msg = NULL;
+		}
+
+		Py_XDECREF(result);
+
+		SWIG_PYTHON_THREAD_END_BLOCK;
+		
+	}
+	/* else */
+		/* Only the timeout was specified, without a callback */
+		/* in this case, just delete the message */
+		/* it actually happens automatically when we do nothing. */
+}
+
+static void expcb_python(void *cbdata, DiamId_t sentto, size_t senttolen, struct msg ** msg) {
+	/* The python callback is received in cbdata */
+	PyObject * result, *PyMsg;
+	struct anscb_py_layer * l = cbdata;
+	
+	if (!l) {
+		fd_log_debug("Internal error! Python callback disappeared...");
+		return;
+	}
+	
+	SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+
+	if (!msg || !*msg) {
+		PyMsg = Py_None;
+	} else {
+		PyMsg = SWIG_NewPointerObj((void *)*msg,     SWIGTYPE_p_msg,     0 );
+	}
+
+	result = PyObject_CallFunction(l->expcb, "(Os#O)", PyMsg, sentto, senttolen, l->data);
+	Py_XDECREF(l->cb);
+	Py_XDECREF(l->expcb);
+	Py_XDECREF(l->data);
+	free(l);
+
+	/* The callback is supposed to return a message or NULL */
+	if (!SWIG_IsOK(SWIG_ConvertPtr(result, (void *)msg, SWIGTYPE_p_msg, SWIG_POINTER_DISOWN))) {
+		fd_log_debug("Error: Cannot convert the return value to message.");
+		*msg = NULL;
+	}
+
+	Py_XDECREF(result);
+
+	SWIG_PYTHON_THREAD_END_BLOCK;
+		
+}
+
+
+
+%}
+
+struct msg {
+};
+
+%extend msg {
+	msg(struct dict_object * model=NULL, int flags = MSGFL_ALLOC_ETEID) {
+		struct msg * m = NULL;
+		int ret = fd_msg_new( model, flags, &m);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		return m;
+	}
+	/* construct also from a binary buffer */
+	msg(char * STRING, size_t LENGTH) {
+		int ret;
+		struct msg * m = NULL;
+		/* First, copy the string */
+		unsigned char * buf = malloc(LENGTH);
+		if (buf == NULL) {
+			DI_ERROR_MALLOC;
+			return NULL;
+		}
+		memcpy(buf, STRING, LENGTH);
+		ret = fd_msg_parse_buffer(&buf, LENGTH, &m);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			free(buf);
+			return NULL;
+		}
+		return m;
+	}
+	~msg() {
+		int ret = fd_msg_free($self);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* SEND THE MESSAGE */
+	%delobject send; /* when this has been called, the msg must not be freed anymore */
+	void send(PyObject * PyCb = NULL, PyObject * data = NULL, PyObject * PyExpCb = NULL, unsigned int timeout = 0) {
+		int ret;
+		struct msg * m = $self;
+		struct anscb_py_layer * l = NULL;
+		
+		if (PyCb || timeout) {
+			l = malloc(sizeof(struct anscb_py_layer));
+			if (!l) {
+				DI_ERROR_MALLOC;
+				return;
+			}
+
+			Py_XINCREF(PyCb);
+			Py_XINCREF(data);
+			Py_XINCREF(PyExpCb);
+			l->expcb = PyExpCb;
+			l->cb = PyCb;
+			l->data = data;
+		}
+		
+		if (timeout) {
+			struct timespec ts;
+			(void) clock_gettime(CLOCK_REALTIME, &ts);
+			ts.tv_sec += timeout;
+			ret = fd_msg_send_timeout(&m, anscb_python, l, expcb_python, &ts);
+		} else {
+			ret = fd_msg_send(&m, PyCb ? anscb_python : NULL, l);
+		}
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Create an answer */
+	%delobject create_answer; /* when this has been called, the original msg should not be freed anymore */
+	struct msg * create_answer(struct dictionary * dict = NULL, int flags = 0) {
+		/* if dict is not provided, attempt to get it from the request model */
+		struct dictionary * d = dict;
+		struct msg * m = $self;
+		int ret;
+		if (!d) {
+			struct dict_object * mo = NULL;
+			ret = fd_msg_model($self, &mo);
+			if (ret != 0) {
+				DI_ERROR(ret, NULL, "Error retrieving query model.");
+				return NULL;
+			}
+			if (mo == NULL) {
+				/* use the fD dictionary by default */
+				d = fd_g_config->cnf_dict;
+			} else {
+				ret = fd_dict_getdict ( mo, &d );
+				if (ret != 0) {
+					DI_ERROR(ret, NULL, "Error retrieving query's dictionary.");
+					return NULL;
+				}
+			}
+		}
+		ret = fd_msg_new_answer_from_req(d, &m, flags);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, "Cannot guess the dictionary to use, please provide it as parameter.");
+			return NULL;
+		}
+		
+		return m;
+	}
+	/* Return the first child AVP if any */
+	struct avp * first_child() {
+		struct avp * a = NULL;
+		int ret = fd_msg_browse($self, MSG_BRW_FIRST_CHILD, &a, NULL);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		return a;
+	}
+	
+	/* Enumerable list of children AVP */
+	%newobject children;
+	PyObject * children() {
+		struct avp * a = NULL;
+		PyObject * rl;
+		int ret = fd_msg_browse($self, MSG_BRW_FIRST_CHILD, &a, NULL);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+		rl = PyList_New(0);
+		while (a) {
+			PyList_Append(rl, SWIG_NewPointerObj((void *)a, SWIGTYPE_p_avp, 0 /* do not own the AVPs */ ));
+			ret = fd_msg_browse(a, MSG_BRW_NEXT, &a, NULL);
+			if (ret != 0) {
+				DI_ERROR(ret, NULL, NULL);
+				return NULL;
+			}
+		}
+		Py_XINCREF(rl);
+		SWIG_PYTHON_THREAD_END_BLOCK;
+		return rl;
+	}
+	
+	/* Add a new AVP */
+	void add_child(struct avp *DISOWN, int begin = 0) {
+		int ret = fd_msg_avp_add ( $self, begin ? MSG_BRW_FIRST_CHILD : MSG_BRW_LAST_CHILD, DISOWN);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Search an AVP */
+	struct avp * search(struct dict_object * what) {
+		struct avp * a = NULL;
+		int ret = fd_msg_search_avp($self, what, &a);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return a;
+	}
+	
+	/* Dump */
+	void dump (int tree = 1) {
+		char * buf = NULL;
+		size_t len;
+		printf("%s", fd_msg_dump_treeview(&buf, &len, NULL, $self, NULL, 0, tree));
+		free(buf);
+	}
+	
+	/* Model */
+	struct dict_object * model() {
+		struct dict_object * m = NULL;
+		int ret = fd_msg_model($self, &m);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return m;
+	}
+	
+	/* Header */
+	struct msg_hdr * header() {
+		struct msg_hdr * h = NULL;
+		int ret = fd_msg_hdr($self, &h);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return h;
+	}
+	
+	/* Get query if message is an answer */
+	struct msg * get_query() {
+		struct msg * q = NULL;
+		int ret = fd_msg_answ_getq($self, &q);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return q;
+	}
+	
+	/* Get / Set routing data */
+	struct rt_data * get_rtd() {
+		struct rt_data * r = NULL;
+		int ret = fd_msg_rt_get($self, &r);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return r;
+	}
+	void set_rtd(struct rt_data *DISOWN) {
+		struct rt_data * r = DISOWN;
+		int ret = fd_msg_rt_associate($self, r);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		return;
+	}
+	
+	/* Is routable? */
+	PyObject * is_routable() {
+		PyObject * r;
+		if (fd_msg_is_routable($self))
+			r = Py_True;
+		else
+			r = Py_False;
+		Py_XINCREF(r);
+		return r;
+	}
+	
+	/* Is request? (shortcut) */
+	PyObject * is_request() {
+		PyObject * r;
+		int ret;
+		struct msg_hdr * h;
+		
+		ret = fd_msg_hdr($self, &h);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		if (h->msg_flags & CMD_FLAG_REQUEST) 
+			r = Py_True;
+		else
+			r = Py_False;
+		Py_XINCREF(r);
+		return r;
+	}
+	
+	/* Get the source */
+	%cstring_output_allocate_size(char ** outid, size_t * outlen, /* do not free */);
+	void source(char ** outid, size_t * outlen) {
+		int ret = fd_msg_source_get($self, outid, outlen);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return;
+		}
+		return;
+	}
+	
+	/* Get the session */
+	%newobject get_session; /* it may be created or not, it is harmless because we only reclaim in ~session */
+	struct session *get_session(struct dictionary * dict = NULL) {
+		struct session *s = NULL;
+		struct dictionary * d = dict;
+		int ret = 0;
+		if (d == NULL)
+			d = fd_g_config->cnf_dict; /* default: use daemon's */
+		ret = fd_msg_sess_get(d, $self, &s, NULL);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return s;
+	}
+	
+	/* Bufferize */
+	%cstring_output_allocate_size(char ** outbuffer, size_t * outlen, free(*$1));
+	void bufferize ( char ** outbuffer, size_t * outlen ) {
+		int ret = fd_msg_bufferize ( $self, (void *)outbuffer, outlen );
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Dictionary parsing */
+	%newobject parse_dict;
+	struct fd_pei * parse_dict(struct dictionary * dict=NULL) {
+		int ret;
+		struct fd_pei pei, *e = NULL;
+		struct dictionary * d = dict;
+		memset(&pei, 0, sizeof(struct fd_pei));
+		if (d == NULL)
+			d = fd_g_config->cnf_dict; /* default: use daemon's */
+		
+		ret = fd_msg_parse_dict ( $self, d, &pei );
+		if (ret != 0) {
+			e = malloc(sizeof(struct fd_pei));
+			if (!e) {
+				DI_ERROR_MALLOC;
+				return NULL;
+			}
+			memcpy(e, &pei, sizeof(struct fd_pei));
+		}
+		return e; /* returns NULL when everything went OK */
+	}
+	
+	/* Rules parsing */
+	%newobject parse_rules;
+	struct fd_pei * parse_rules(struct dictionary * dict=NULL) {
+		int ret;
+		struct fd_pei pei, *e = NULL;
+		struct dictionary * d = dict;
+		memset(&pei, 0, sizeof(struct fd_pei));
+		if (d == NULL)
+			d = fd_g_config->cnf_dict; /* default: use daemon's */
+		
+		ret = fd_msg_parse_rules ( $self, d, &pei );
+		if (ret != 0) {
+			e = malloc(sizeof(struct fd_pei));
+			if (!e) {
+				DI_ERROR_MALLOC;
+				return NULL;
+			}
+			memcpy(e, &pei, sizeof(struct fd_pei));
+		}
+		return e; /* returns NULL when everything went OK */
+	}
+	
+	/* Update the length info in header */
+	void update_length() {
+		int ret = fd_msg_update_length ( $self );
+		if (ret) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Set the result code */
+	void rescode_set(char * rescode = "DIAMETER_SUCCESS", char * errormsg = NULL, struct avp * optavp = NULL, int type_id = 0) {
+		int ret = fd_msg_rescode_set( $self, rescode, errormsg, optavp, type_id );
+		if (ret) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Add the origin */
+	void add_origin(int osi = 0) {
+		int ret = fd_msg_add_origin( $self, osi );
+		if (ret) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+}
+
+struct avp {
+};
+
+%extend avp {
+	avp(struct dict_object * model = NULL, int flags = 0) {
+		struct avp * a = NULL;
+		int ret = fd_msg_avp_new( model, flags, &a);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		return a;
+	}
+	~avp() {
+		int ret = fd_msg_free($self);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Return the first child AVP if any */
+	struct avp * first_child() {
+		struct avp * a = NULL;
+		int ret = fd_msg_browse($self, MSG_BRW_FIRST_CHILD, &a, NULL);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		return a;
+	}
+	
+	/* Enumerable list of children AVP */
+	%newobject children;
+	PyObject * children() {
+		struct avp * a = NULL;
+		PyObject * rl;
+		int ret = fd_msg_browse($self, MSG_BRW_FIRST_CHILD, &a, NULL);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+		rl = PyList_New(0);
+		while (a) {
+			PyList_Append(rl, SWIG_NewPointerObj((void *)a, SWIGTYPE_p_avp, 0 /* the AVPs are not owned */ ));
+			ret = fd_msg_browse(a, MSG_BRW_NEXT, &a, NULL);
+			if (ret != 0) {
+				DI_ERROR(ret, NULL, NULL);
+				return NULL;
+			}
+		}
+		Py_XINCREF(rl);
+		SWIG_PYTHON_THREAD_END_BLOCK;
+		return rl;
+	}
+	
+	/* Add a new AVP */
+	void add_next(struct avp *avp) {
+		int ret = fd_msg_avp_add ( $self, MSG_BRW_NEXT, avp);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	void add_prev(struct avp *avp) {
+		int ret = fd_msg_avp_add ( $self, MSG_BRW_PREV, avp);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	void add_child(struct avp *DISOWN, int begin = 0) {
+		int ret = fd_msg_avp_add ( $self, begin ? MSG_BRW_FIRST_CHILD : MSG_BRW_LAST_CHILD, DISOWN);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Get the next AVP at the same level */
+	struct avp * get_next() {
+		struct avp * a = NULL;
+		int ret = fd_msg_browse($self, MSG_BRW_NEXT, &a, NULL);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		return a;
+	}
+	
+	/* Dump */
+	void dump (int tree = 1) {
+		char * buf = NULL;
+		size_t len;
+		printf("%s", fd_msg_dump_treeview(&buf, &len, NULL, $self, NULL, 0, tree));
+		free(buf);
+	}
+	
+	/* Model */
+	struct dict_object * model() {
+		struct dict_object * m = NULL;
+		int ret = fd_msg_model($self, &m);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return m;
+	}
+	
+	/* Header */
+	struct avp_hdr * header() {
+		struct avp_hdr * h = NULL;
+		int ret = fd_msg_avp_hdr($self, &h);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return h;
+	}
+	
+	/* set value */
+	void setval(union avp_value * val) {
+		int ret = fd_msg_avp_setvalue ( $self, val );
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	
+	/* Update the length info in header */
+	void update_length() {
+		int ret = fd_msg_update_length ( $self );
+		if (ret) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+}