src/server/daemon/threadpools.c

Sat, 24 Sep 2022 16:26:10 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 24 Sep 2022 16:26:10 +0200
changeset 385
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parent 357
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child 415
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permissions
-rw-r--r--

merge branch webdav into default

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include <ucx/map.h>
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34 #include "threadpools.h"
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36
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37 static UcxMap *thread_pool_map;
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38 static int num_thrpools;
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39 static UcxMap *io_pool_map;
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40 static int num_iopools;
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41
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42 static threadpool_t *default_thread_pool;
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43 static threadpool_t *last_thrpool_c;
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44
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45 static threadpool_t *default_io_pool;
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46 static threadpool_t *last_io_pool;
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47
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48 int create_threadpool(scstr_t name, ThreadPoolConfig *cfg) {
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49 if(thread_pool_map == NULL) {
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50 thread_pool_map = ucx_map_new(16);
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51 }
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52
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53 threadpool_t *pool = ucx_map_sstr_get(thread_pool_map, name);
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54 if(pool) {
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55 if(pool->min_threads > cfg->max_threads) {
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56 pool->min_threads = cfg->min_threads;
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57 pool->max_threads = cfg->max_threads;
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58 } else {
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59 pool->max_threads = cfg->max_threads;
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60 pool->min_threads = cfg->min_threads;
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61 }
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62 return 0;
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63 } else {
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64 threadpool_t *tp = threadpool_new(cfg->min_threads, cfg->max_threads);
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65
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66 int ret = 0;
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67 if(!threadpool_start(tp)) {
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68 ret = ucx_map_sstr_put(thread_pool_map, name, tp);
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69 } else {
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70 ret = 1;
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71 }
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73 if(ret == 0) {
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74 num_thrpools++;
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75 last_thrpool_c = tp;
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76 if(!default_thread_pool) {
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77 default_thread_pool = tp;
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78 }
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79 }
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80
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81 return ret;
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82 }
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83 }
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84
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85 int create_io_pool(scstr_t name, int numthreads) {
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86 if(io_pool_map == NULL) {
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87 io_pool_map = ucx_map_new(4);
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88 }
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89 threadpool_t *pool = ucx_map_sstr_get(io_pool_map, name);
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90 if(pool) {
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91 pool->min_threads = numthreads;
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92 pool->max_threads = numthreads;
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93 return 0;
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94 } else {
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95 threadpool_t *tp = threadpool_new(numthreads, numthreads);
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96
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97 int ret = ucx_map_sstr_put(io_pool_map, name, tp);
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98
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99 if(ret == 0) {
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100 num_iopools++;
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101 last_io_pool = tp;
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102 if(!default_io_pool) {
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103 default_io_pool = tp;
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104 }
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105 }
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106
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107 return ret;
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108 }
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109 }
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110
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111 int check_thread_pool_cfg() {
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112 if(num_thrpools == 0) {
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113 ThreadPoolConfig cfg;
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114 cfg.min_threads = 4;
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115 cfg.max_threads = 8;
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116 cfg.queue_size = 64;
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117 cfg.stack_size = 262144;
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118 if(create_threadpool(SC("default"), &cfg)) {
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119 return 1;
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120 }
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121 }
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122
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123 if(num_iopools == 0) {
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124 if(create_io_pool(SC("default"), 8)) {
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125 return 1;
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126 }
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127 }
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128
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129 return 0;
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130 }
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131
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132 threadpool_t* get_default_threadpool() {
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133 return default_thread_pool;
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134 }
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135
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136 threadpool_t* get_threadpool(sstr_t name) {
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137 return ucx_map_sstr_get(thread_pool_map, name);
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138 }
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139
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140 threadpool_t* get_default_iopool() {
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141 return default_io_pool;
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142 }
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143
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144 threadpool_t* get_iopool(sstr_t name) {
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
145 return ucx_map_sstr_get(io_pool_map, name);
1f73302461e0 adds IO threadpool
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 187
diff changeset
146 }

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