xref: /btstack/tool/btstack_memory_generator.py (revision af3c1ffe4cfe13a87f9b14ce6dfb14e882ab3b69) 
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/remote_device_db.h"
67#include "classic/rfcomm.h"
68#include "classic/sdp.h"
69
70// BLE
71#ifdef HAVE_BLE
72#include "ble/gatt_client.h"
73#include "ble/sm.h"
74#endif
75
76/* API_START */
77
78/**
79 * @brief Initializes BTstack memory pools.
80 */
81void btstack_memory_init(void);
82
83/* API_END */
84"""
85
86hfile_header_end = """
87#if defined __cplusplus
88}
89#endif
90
91#endif // __BTSTACK_MEMORY_H
92"""
93
94cfile_header_begin = """
95/*
96 *  btstsack_memory.h
97 *
98 *  @brief BTstack memory management via configurable memory pools
99 *
100 *  @note code semi-atuomatically generated by tools/btstack_memory_generator.py
101 *
102 */
103
104#include "btstack_memory.h"
105#include "btstack_memory_pool.h"
106
107#include <stdlib.h>
108
109"""
110
111header_template = """STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void);
112void   btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME);"""
113
114code_template = """
115// MARK: STRUCT_TYPE
116#ifdef POOL_COUNT
117#if POOL_COUNT > 0
118static STRUCT_TYPE STRUCT_NAME_storage[POOL_COUNT];
119static btstack_memory_pool_t STRUCT_NAME_pool;
120STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void){
121    return (STRUCT_NAME_t *) btstack_memory_pool_get(&STRUCT_NAME_pool);
122}
123void btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME){
124    btstack_memory_pool_free(&STRUCT_NAME_pool, STRUCT_NAME);
125}
126#else
127STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void){
128    return NULL;
129}
130void btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME){
131    // silence compiler warning about unused parameter in a portable way
132    (void) STRUCT_NAME;
133};
134#endif
135#elif defined(HAVE_MALLOC)
136STRUCT_NAME_t * btstack_memory_STRUCT_NAME_get(void){
137    return (STRUCT_NAME_t*) malloc(sizeof(STRUCT_TYPE));
138}
139void btstack_memory_STRUCT_NAME_free(STRUCT_NAME_t *STRUCT_NAME){
140    free(STRUCT_NAME);
141}
142#else
143#error "Neither HAVE_MALLOC nor POOL_COUNT for struct STRUCT_NAME is defined. Please, edit the config file."
144#endif
145"""
146
147init_template = """#if POOL_COUNT > 0
148    btstack_memory_pool_create(&STRUCT_NAME_pool, STRUCT_NAME_storage, POOL_COUNT, sizeof(STRUCT_TYPE));
149#endif"""
150
151def writeln(f, data):
152    f.write(data + "\n")
153
154def replacePlaceholder(template, struct_name):
155    struct_type = struct_name + '_t'
156    if struct_name.endswith('try'):
157        pool_count = "MAX_NO_" + struct_name.upper()[:-3] + "TRIES"
158    else:
159        pool_count = "MAX_NO_" + struct_name.upper() + "S"
160
161    snippet = template.replace("STRUCT_TYPE", struct_type).replace("STRUCT_NAME", struct_name).replace("POOL_COUNT", pool_count)
162    return snippet
163
164list_of_structs = [
165    ["hci_connection"],
166    ["l2cap_service", "l2cap_channel"],
167    ["rfcomm_multiplexer", "rfcomm_service", "rfcomm_channel"],
168    ["db_mem_device_name", "db_mem_device_link_key", "db_mem_service"],
169    ["bnep_service", "bnep_channel"],
170    ["hfp_connection"],
171    ["service_record_item"]
172]
173list_of_le_structs = [["gatt_client", "gatt_subclient", "whitelist_entry", "sm_lookup_entry"]]
174
175file_name = "../src/btstack_memory"
176
177
178f = open(file_name+".h", "w")
179writeln(f, copyright)
180writeln(f, hfile_header_begin)
181for struct_names in list_of_structs:
182    writeln(f, "// "+ ", ".join(struct_names))
183    for struct_name in struct_names:
184        writeln(f, replacePlaceholder(header_template, struct_name))
185    writeln(f, "")
186writeln(f, "#ifdef HAVE_BLE")
187for struct_names in list_of_le_structs:
188    writeln(f, "// "+ ", ".join(struct_names))
189    for struct_name in struct_names:
190        writeln(f, replacePlaceholder(header_template, struct_name))
191writeln(f, "#endif")
192writeln(f, hfile_header_end)
193f.close();
194
195
196f = open(file_name+".c", "w")
197writeln(f, copyright)
198writeln(f, cfile_header_begin)
199for struct_names in list_of_structs:
200    for struct_name in struct_names:
201        writeln(f, replacePlaceholder(code_template, struct_name))
202    writeln(f, "")
203writeln(f, "#ifdef HAVE_BLE")
204for struct_names in list_of_le_structs:
205    for struct_name in struct_names:
206        writeln(f, replacePlaceholder(code_template, struct_name))
207    writeln(f, "")
208writeln(f, "#endif")
209
210
211writeln(f, "// init")
212writeln(f, "void btstack_memory_init(void){")
213for struct_names in list_of_structs:
214    for struct_name in struct_names:
215        writeln(f, replacePlaceholder(init_template, struct_name))
216writeln(f, "#ifdef HAVE_BLE")
217for struct_names in list_of_le_structs:
218    for struct_name in struct_names:
219        writeln(f, replacePlaceholder(init_template, struct_name))
220writeln(f, "#endif")
221writeln(f, "}")
222f.close();
223
224