xref: /btstack/tool/btstack_memory_generator.py (revision 27faf85a90e36a8a692d1a6aa0922e476bf2d728) 
1#!/usr/bin/env python
2
3copyright = """/*
4 * Copyright (C) 2014 BlueKitchen GmbH
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the copyright holders nor the names of
16 *    contributors may be used to endorse or promote products derived
17 *    from this software without specific prior written permission.
18 * 4. Any redistribution, use, or modification is done solely for
19 *    personal benefit and not for any commercial purpose or for
20 *    monetary gain.
21 *
22 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
26 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
29 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
32 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * Please inquire about commercial licensing options at
36 * [email protected]
37 *
38 */
39"""
40
41hfile_header_begin = """
42
43/*
44 *  btstack_memory.h
45 *
46 *  @brief BTstack memory management via configurable memory pools
47 *
48 */
49
50#ifndef __BTSTACK_MEMORY_H
51#define __BTSTACK_MEMORY_H
52
53#if defined __cplusplus
54extern "C" {
55#endif
56
57#include "btstack_config.h"
58
59// Core
60#include "hci.h"
61#include "l2cap.h"
62
63// Classic
64#include "classic/bnep.h"
65#include "classic/hfp.h"
66#include "classic/btstack_link_key_db.h"
67#include "classic/btstack_link_key_db_memory.h"
68#include "classic/rfcomm.h"
69#include "classic/sdp_server.h"
70
71// BLE
72#ifdef ENABLE_BLE
73#include "ble/gatt_client.h"
74#include "ble/sm.h"
75#endif
76
77/* API_START */
78
79/**
80 * @brief Initializes BTstack memory pools.
81 */
82void btstack_memory_init(void);
83
84/* API_END */
85"""
86
87hfile_header_end = """
88#if defined __cplusplus
89}
90#endif
91
92#endif // __BTSTACK_MEMORY_H
93"""
94
95cfile_header_begin = """
96/*
97 *  btstack_memory.h
98 *
99 *  @brief BTstack memory management via configurable memory pools
100 *
101 *  @note code generated by tool/btstack_memory_generator.py
102 *
103 */
104
105#include "btstack_memory.h"
106#include "btstack_memory_pool.h"
107
108#include <stdlib.h>
109
110"""
111
112header_template = """STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void);
113void   btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME);"""
114
115code_template = """
116// MARK: STRUCT_TYPE
117#if !defined(HAVE_MALLOC) && !defined(POOL_COUNT)
118    #if defined(POOL_COUNT_OLD_NO)
119        #error "Deprecated POOL_COUNT_OLD_NO defined instead of POOL_COUNT. Please update your btstack_config.h to use POOL_COUNT."
120    #else
121        #define POOL_COUNT 0
122    #endif
123#endif
124
125#ifdef POOL_COUNT
126#if POOL_COUNT > 0
127static STRUCT_TYPE STRUCT_NAME_storage[POOL_COUNT];
128static btstack_memory_pool_t STRUCT_NAME_pool;
129STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void){
130    return (STRUCT_NAME_t *) btstack_memory_pool_get(&STRUCT_NAME_pool);
131}
132void btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME){
133    btstack_memory_pool_free(&STRUCT_NAME_pool, STRUCT_NAME);
134}
135#else
136STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void){
137    return NULL;
138}
139void btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME){
140    // silence compiler warning about unused parameter in a portable way
141    (void) STRUCT_NAME;
142};
143#endif
144#elif defined(HAVE_MALLOC)
145STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void){
146    return (STRUCT_NAME_t*) malloc(sizeof(STRUCT_TYPE));
147}
148void btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME){
149    free(STRUCT_NAME);
150}
151#endif
152"""
153
154init_template = """#if POOL_COUNT > 0
155    btstack_memory_pool_create(&STRUCT_NAME_pool, STRUCT_NAME_storage, POOL_COUNT, sizeof(STRUCT_TYPE));
156#endif"""
157
158def writeln(f, data):
159    f.write(data + "\n")
160
161def replacePlaceholder(template, struct_name):
162    struct_type = struct_name + '_t'
163    if struct_name.endswith('try'):
164        pool_count = "MAX_NR_" + struct_name.upper()[:-3] + "TRIES"
165    else:
166        pool_count = "MAX_NR_" + struct_name.upper() + "S"
167    pool_count_old_no = pool_count.replace("MAX_NR_", "MAX_NO_")
168    snippet = template.replace("STRUCT_TYPE", struct_type).replace("STRUCT_NAME", struct_name).replace("POOL_COUNT_OLD_NO", pool_count_old_no).replace("POOL_COUNT", pool_count)
169    return snippet
170
171list_of_structs = [
172    ["hci_connection"],
173    ["l2cap_service", "l2cap_channel"],
174    ["rfcomm_multiplexer", "rfcomm_service", "rfcomm_channel"],
175    ["btstack_link_key_db_memory_entry"],
176    ["bnep_service", "bnep_channel"],
177    ["hfp_connection"],
178    ["service_record_item"],
179    ["avdtp_sink_connection"]
180]
181list_of_le_structs = [["gatt_client", "whitelist_entry", "sm_lookup_entry"]]
182
183file_name = "../src/btstack_memory"
184
185
186f = open(file_name+".h", "w")
187writeln(f, copyright)
188writeln(f, hfile_header_begin)
189for struct_names in list_of_structs:
190    writeln(f, "// "+ ", ".join(struct_names))
191    for struct_name in struct_names:
192        writeln(f, replacePlaceholder(header_template, struct_name))
193    writeln(f, "")
194writeln(f, "#ifdef ENABLE_BLE")
195for struct_names in list_of_le_structs:
196    writeln(f, "// "+ ", ".join(struct_names))
197    for struct_name in struct_names:
198        writeln(f, replacePlaceholder(header_template, struct_name))
199writeln(f, "#endif")
200writeln(f, hfile_header_end)
201f.close();
202
203
204f = open(file_name+".c", "w")
205writeln(f, copyright)
206writeln(f, cfile_header_begin)
207for struct_names in list_of_structs:
208    for struct_name in struct_names:
209        writeln(f, replacePlaceholder(code_template, struct_name))
210    writeln(f, "")
211writeln(f, "#ifdef ENABLE_BLE")
212for struct_names in list_of_le_structs:
213    for struct_name in struct_names:
214        writeln(f, replacePlaceholder(code_template, struct_name))
215    writeln(f, "")
216writeln(f, "#endif")
217
218
219writeln(f, "// init")
220writeln(f, "void btstack_memory_init(void){")
221for struct_names in list_of_structs:
222    for struct_name in struct_names:
223        writeln(f, replacePlaceholder(init_template, struct_name))
224writeln(f, "#ifdef ENABLE_BLE")
225for struct_names in list_of_le_structs:
226    for struct_name in struct_names:
227        writeln(f, replacePlaceholder(init_template, struct_name))
228writeln(f, "#endif")
229writeln(f, "}")
230f.close();
231
232