1 //----------------------------------------------------------------------
2 // Copyright (C) 2006 - 2007 by the FRESCOR consortium:
4 // Universidad de Cantabria, SPAIN
5 // University of York, UK
6 // Scuola Superiore Sant'Anna, ITALY
7 // Kaiserslautern University, GERMANY
8 // Univ. Politecnica Valencia, SPAIN
9 // Czech Technical University in Prague, CZECH REPUBLIC
11 // Thales Communication S.A. FRANCE
12 // Visual Tools S.A. SPAIN
13 // Rapita Systems Ltd UK
16 // See http://www.frescor.org
18 // The FRESCOR project (FP6/2005/IST/5-034026) is funded
19 // in part by the European Union Sixth Framework Programme
20 // The European Union is not liable of any use that may be
24 // based on previous work (FSF) done in the FIRST project
26 // Copyright (C) 2005 Mälardalen University, SWEDEN
27 // Scuola Superiore S.Anna, ITALY
28 // Universidad de Cantabria, SPAIN
29 // University of York, UK
31 // This file is part of FNA (Frescor Network Adaptation)
33 // FNA is free software; you can redistribute it and/or modify it
34 // under terms of the GNU General Public License as published by the
35 // Free Software Foundation; either version 2, or (at your option) any
36 // later version. FNA is distributed in the hope that it will be
37 // useful, but WITHOUT ANY WARRANTY; without even the implied warranty
38 // of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
39 // General Public License for more details. You should have received a
40 // copy of the GNU General Public License along with FNA; see file
41 // COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,
42 // Cambridge, MA 02139, USA.
44 // As a special exception, including FNA header files in a file,
45 // instantiating FNA generics or templates, or linking other files
46 // with FNA objects to produce an executable application, does not
47 // by itself cause the resulting executable application to be covered
48 // by the GNU General Public License. This exception does not
49 // however invalidate any other reasons why the executable file might be
50 // covered by the GNU Public License.
51 // -----------------------------------------------------------------------
57 #include "frescan_debug.h"
59 //////////////////////////////////////////////////////////////////////
61 //////////////////////////////////////////////////////////////////////
64 * frsh_XXXX_map_network_address()
66 * To map a XXXX protocol network address into a FRSH address.
67 * The protocol must keep this mapping consistent. Instead of using a function
68 * a hardwired mapping could be used.
70 * @param[in] resource_id The network we are referring to (a protocol
71 * could be able to handle several networks at the same time)
72 * @param[in] in_address The network address we want to map to a frsh address
73 * @param[out] out_address The FRSH abstract network address
76 * FNA_NO_ERROR: in this case it also means contract accepted \n
77 * FNA_ERR_INTERNAL_ERROR: protocol dependent internal errors \n
78 * FNA_ERR_NOT_INITIALIZED: if the protocol is not initialized \n
79 * FNA_ERR_RESOURCE_ID_INVALID: if we are not in charge of resource_id \n
80 * FNA_ERR_BAD_ARGUMENT: if pointers are NULL \n
83 int frsh_frescan_map_network_address
84 (const frsh_resource_id_t resource_id,
85 const frescan_node_t in_address,
86 frsh_network_address_t *out_address)
88 if (out_address == NULL) return -1;
89 *out_address = in_address;
94 * frsh_XXXX_map_stream_id()
96 * To map a XXXX protocol network stream, port, channel... into a FRSH stream.
97 * The protocol must keep this mapping consistent. Instead of using a function
98 * a hardwired mapping could be used.
100 * @param[in] resource_id The network we are referring to (a protocol
101 * could be able to handle several networks at the same time)
102 * @param[in] in_stream The network stream we want to map to a FRSH stream
103 * @param[out] out_stream The FRSH abstract network stream
106 * FNA_NO_ERROR: in this case it also means contract accepted \n
107 * FNA_ERR_INTERNAL_ERROR: protocol dependent internal errors \n
108 * FNA_ERR_NOT_INITIALIZED: if the protocol is not initialized \n
109 * FNA_ERR_RESOURCE_ID_INVALID: if we are not in charge of resource_id \n
110 * FNA_ERR_BAD_ARGUMENT: if pointers are NULL \n
113 int frsh_frescan_map_stream_id
114 (const frsh_resource_id_t resource_id,
115 const frescan_channel_t in_stream,
116 frsh_stream_id_t *out_stream)
118 if (out_stream == NULL) return -1;
119 *out_stream = in_stream;
123 ///////////////////////////////////////////////////////////////////
124 // NEGOTIATION SERVICE PARAMETERS
125 ///////////////////////////////////////////////////////////////////
128 * frsh_XXXX_negotiation_messages__vres_renegotiate()
130 * This function allows the application to change the minimum period
131 * of the negotiation messages sent through the network. It is similar
132 * to the service thread but for the network messages. We do not provide
133 * budget here because the size of the negotiation messages is fixed.
135 * This change is similar to a renegotiation so a schedulability test
136 * must be done to see if the change can be accepted or not.
138 * @param[in] resource_id The network we are referring to (a protocol
139 * could be able to handle several networks at the same time)
140 * @param[in] period The new period for negotiation messages
141 * @param[out] accepted If the change has been accepted or not
144 * FNA_NO_ERROR: in this case it also means contract accepted \n
145 * FNA_ERR_INTERNAL_ERROR: protocol dependent internal errors \n
146 * FNA_ERR_NOT_INITIALIZED: if the protocol is not initialized \n
147 * FNA_ERR_RESOURCE_ID_INVALID: if we are not in charge of resource_id \n
148 * FNA_ERR_BAD_ARGUMENT: if pointers are NULL \n
152 int frsh_frescan_negotiation_messages_vres_renegotiate
153 (const frsh_resource_id_t resource_id,
154 const struct timespec *period)
156 ERROR("not implemented\n");
161 * frsh_XXXX_negotiation_messages_vres_get_period()
163 * This function gets the minimum period of the negotiation messages
164 * sent through the network.
166 * @param[in] resource_id The network we are referring to (a protocol
167 * could be able to handle several networks at the same time)
168 * @param[out] period The period for negotiation messages
171 * FNA_NO_ERROR: in this case it also means contract accepted \n
172 * FNA_ERR_INTERNAL_ERROR: protocol dependent internal errors \n
173 * FNA_ERR_NOT_INITIALIZED: if the protocol is not initialized \n
174 * FNA_ERR_RESOURCE_ID_INVALID: if we are not in charge of resource_id \n
175 * FNA_ERR_BAD_ARGUMENT: if pointers are NULL \n
178 int frsh_frescan_negotiation_messages_vres_get_period
179 (const frsh_resource_id_t resource_id,
180 struct timespec *period)
182 ERROR("not implemented\n");
187 * frsh_XXXX_service_thread_vres_renegotiate()
189 * This function allows the application to change the period and
190 * budget of the service thread that makes the negotiations and
191 * schedulability tests in a network.
193 * The service thread starts with a default budget and period that
194 * should be configurable
196 * @param[in] resource_id The network we are referring to (a protocol
197 * could be able to handle several networks at the same time)
198 * @param[in] budget The new budget for the service thread
199 * @param[in] period The new period for the service thread
200 * @param[out] accepted If the negotiation has been accepted or not
203 * FNA_NO_ERROR: in this case it also means contract accepted \n
204 * FNA_ERR_INTERNAL_ERROR: protocol dependent internal errors \n
205 * FNA_ERR_NOT_INITIALIZED: if the protocol is not initialized \n
206 * FNA_ERR_RESOURCE_ID_INVALID: if we are not in charge of resource_id \n
207 * FNA_ERR_BAD_ARGUMENT: if pointers are NULL \n
210 int frsh_frescan_service_thread_vres_renegotiate
211 (const frsh_resource_id_t resource_id,
212 const struct timespec *budget,
213 const struct timespec *period,
216 ERROR("not implemented\n");
221 * frsh_XXXX_service_thread_vres_get_budget_and_period()
223 * This function gets the budget and period of a service thread.
225 * @param[in] resource_id The network we are referring to (a protocol
226 * could be able to handle several networks at the same time)
227 * @param[out] budget The budget of the service thread
228 * @param[out] period The period of the service thread
231 * FNA_NO_ERROR: in this case it also means contract accepted \n
232 * FNA_ERR_INTERNAL_ERROR: protocol dependent internal errors \n
233 * FNA_ERR_NOT_INITIALIZED: if the protocol is not initialized \n
234 * FNA_ERR_RESOURCE_ID_INVALID: if we are not in charge of resource_id \n
235 * FNA_ERR_BAD_ARGUMENT: if pointers are NULL \n
238 int frsh_frescan_service_thread_vres_get_budget_and_period
239 (const frsh_resource_id_t resource_id,
240 struct timespec *budget,
241 struct timespec *period)
243 ERROR("not implemented\n");