[337] | 1 | /*
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| 2 | * Copyright (C) 2009-2012 by Matthias Ringwald
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | *
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. Neither the name of the copyright holders nor the names of
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| 14 | * contributors may be used to endorse or promote products derived
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| 15 | * from this software without specific prior written permission.
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| 16 | * 4. Any redistribution, use, or modification is done solely for
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| 17 | * personal benefit and not for any commercial purpose or for
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| 18 | * monetary gain.
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| 19 | *
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| 20 | * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
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| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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| 23 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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| 24 | * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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| 26 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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| 27 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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| 28 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 29 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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| 30 | * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | *
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| 33 | * Please inquire about commercial licensing options at btstack@ringwald.ch
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| 34 | *
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| 35 | */
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| 36 |
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| 37 | /*
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| 38 | * run_loop.c
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| 39 | *
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| 40 | * Created by Matthias Ringwald on 6/6/09.
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| 41 | */
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| 42 |
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| 43 | #include <btstack/run_loop.h>
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| 44 |
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| 45 | #include <stdio.h>
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| 46 | #include <stdlib.h> // exit()
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| 47 |
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| 48 | #include "run_loop_private.h"
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| 49 |
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| 50 | #include "debug.h"
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| 51 | #include "btstack-config.h"
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| 52 |
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| 53 | static run_loop_t * the_run_loop = NULL;
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| 54 |
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| 55 | extern const run_loop_t run_loop_embedded;
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| 56 |
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| 57 | #ifdef USE_POSIX_RUN_LOOP
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| 58 | extern run_loop_t run_loop_posix;
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| 59 | #endif
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| 60 |
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| 61 | #ifdef USE_COCOA_RUN_LOOP
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| 62 | extern run_loop_t run_loop_cocoa;
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| 63 | #endif
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| 64 |
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| 65 | // assert run loop initialized
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| 66 | static void run_loop_assert(void){
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| 67 | #ifndef EMBEDDED
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| 68 | if (!the_run_loop){
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| 69 | log_error("ERROR: run_loop function called before run_loop_init!");
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| 70 | exit(10);
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| 71 | }
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| 72 | #endif
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| 73 | }
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| 74 |
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| 75 |
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| 76 | void run_loop_set_timer_handler(timer_source_t *ts, void (*process)(timer_source_t *_ts)){
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| 77 | ts->process = process;
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| 78 | };
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| 79 |
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| 80 | void run_loop_set_data_source_handler(data_source_t *ds, int (*process)(data_source_t *_ds)){
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| 81 | ds->process = process;
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| 82 | };
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| 83 |
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| 84 |
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| 85 | /**
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| 86 | * Add data_source to run_loop
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| 87 | */
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| 88 | void run_loop_add_data_source(data_source_t *ds){
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| 89 | run_loop_assert();
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| 90 | the_run_loop->add_data_source(ds);
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| 91 | }
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| 92 |
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| 93 | /**
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| 94 | * Remove data_source from run loop
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| 95 | */
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| 96 | int run_loop_remove_data_source(data_source_t *ds){
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| 97 | run_loop_assert();
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| 98 | return the_run_loop->remove_data_source(ds);
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| 99 | }
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| 100 |
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| 101 | void run_loop_set_timer(timer_source_t *a, uint32_t timeout_in_ms){
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| 102 | run_loop_assert();
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| 103 | the_run_loop->set_timer(a, timeout_in_ms);
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| 104 | }
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| 105 |
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| 106 | /**
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| 107 | * Add timer to run_loop (keep list sorted)
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| 108 | */
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| 109 | void run_loop_add_timer(timer_source_t *ts){
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| 110 | run_loop_assert();
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| 111 | the_run_loop->add_timer(ts);
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| 112 | }
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| 113 |
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| 114 | /**
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| 115 | * Remove timer from run loop
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| 116 | */
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| 117 | int run_loop_remove_timer(timer_source_t *ts){
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| 118 | run_loop_assert();
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| 119 | return the_run_loop->remove_timer(ts);
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| 120 | }
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| 121 |
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| 122 | void run_loop_timer_dump(){
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| 123 | run_loop_assert();
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| 124 | the_run_loop->dump_timer();
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| 125 | }
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| 126 |
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| 127 | /**
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| 128 | * Execute run_loop
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| 129 | */
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| 130 | void run_loop_execute() {
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| 131 | run_loop_assert();
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| 132 | the_run_loop->execute();
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| 133 | }
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| 134 |
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| 135 | // init must be called before any other run_loop call
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| 136 | void run_loop_init(RUN_LOOP_TYPE type){
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| 137 | #ifndef EMBEDDED
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| 138 | if (the_run_loop){
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| 139 | log_error("ERROR: run loop initialized twice!");
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| 140 | exit(10);
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| 141 | }
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| 142 | #endif
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| 143 | switch (type) {
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| 144 | #ifdef EMBEDDED
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| 145 | case RUN_LOOP_EMBEDDED:
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| 146 | the_run_loop = (run_loop_t*) &run_loop_embedded;
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| 147 | break;
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| 148 | #endif
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| 149 | #ifdef USE_POSIX_RUN_LOOP
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| 150 | case RUN_LOOP_POSIX:
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| 151 | the_run_loop = &run_loop_posix;
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| 152 | break;
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| 153 | #endif
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| 154 | #ifdef USE_COCOA_RUN_LOOP
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| 155 | case RUN_LOOP_COCOA:
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| 156 | the_run_loop = &run_loop_cocoa;
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| 157 | break;
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| 158 | #endif
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| 159 | default:
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| 160 | #ifndef EMBEDDED
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| 161 | log_error("ERROR: invalid run loop type %u selected!", type);
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| 162 | exit(10);
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| 163 | #endif
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| 164 | break;
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| 165 | }
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| 166 | the_run_loop->init();
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| 167 | }
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| 168 |
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