Makefile- acl.c
- acl.h
- acldata.c
- acldata.h
- auth.c
- auth.h
- config.c
- config.h
- configmanager.c
- configmanager.h
- error.c
- error.h
- event.c
- event.h
- event_bsd.c
- event_bsd.h
- event_linux.c
- event_linux.h
- event_solaris.c
- event_solaris.h
- func.c
- func.h
- http.c
- http.h
- httplistener.c
- httplistener.h
- httpparser.c
- httpparser.h
- httprequest.c
- httprequest.h
- keyfile_auth.c
- keyfile_auth.h
- ldap_auth.c
- ldap_auth.h
- ldap_resource.c
- ldap_resource.h
- log.c
- log.h
- main.c
- netsite.h
- objs.mk
- protocol.c
- protocol.h
- request.c
- request.h
- resourcepool.c
- resourcepool.h
- session.c
- session.h
- sessionhandler.c
- sessionhandler.h
- srvctrl.c
- srvctrl.h
- threadpools.c
- threadpools.h
- vfs.c
- vfs.h
- vserver.c
- vserver.h
- webserver.c
- webserver.h
- websocket.c
- websocket.h
- ws-fn.c
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31
32 #include <cx/hash_map.h>
33
34 #include "threadpools.h"
35
36
37 static CxMap *thread_pool_map;
38 static int num_thrpools;
39 static CxMap *io_pool_map;
40 static int num_iopools;
41
42 static threadpool_t *default_thread_pool;
43 static threadpool_t *last_thrpool_c;
44
45 static threadpool_t *default_io_pool;
46 static threadpool_t *last_io_pool;
47
48 int create_threadpool(cxstring name, ThreadPoolConfig *cfg) {
49 if(thread_pool_map == NULL) {
50 thread_pool_map = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 16);
51 }
52
53 CxHashKey key = cx_hash_key_bytes((const unsigned char*)name.ptr, name.length);
54 threadpool_t *pool = cxMapGet(thread_pool_map, key);
55 if(pool) {
56 if(pool->min_threads > cfg->max_threads) {
57 pool->min_threads = cfg->min_threads;
58 pool->max_threads = cfg->max_threads;
59 } else {
60 pool->max_threads = cfg->max_threads;
61 pool->min_threads = cfg->min_threads;
62 }
63 return 0;
64 } else {
65 threadpool_t *tp = threadpool_new(cfg->min_threads, cfg->max_threads);
66
67 int ret = 0;
68 if(!threadpool_start(tp)) {
69 ret = cxMapPut(thread_pool_map, key, tp);
70 } else {
71 ret = 1;
72 }
73
74 if(ret == 0) {
75 num_thrpools++;
76 last_thrpool_c = tp;
77 if(!default_thread_pool) {
78 default_thread_pool = tp;
79 }
80 }
81
82 return ret;
83 }
84 }
85
86 int create_io_pool(cxstring name, int numthreads) {
87 if(io_pool_map == NULL) {
88 io_pool_map = cxHashMapCreate(cxDefaultAllocator, CX_STORE_POINTERS, 4);
89 }
90 CxHashKey key = cx_hash_key_bytes((const unsigned char*)name.ptr, name.length);
91 threadpool_t *pool = cxMapGet(io_pool_map, key);
92 if(pool) {
93 pool->min_threads = numthreads;
94 pool->max_threads = numthreads;
95 return 0;
96 } else {
97 threadpool_t *tp = threadpool_new(numthreads, numthreads);
98
99 int ret = cxMapPut(io_pool_map, key, tp);
100
101 if(ret == 0) {
102 num_iopools++;
103 last_io_pool = tp;
104 if(!default_io_pool) {
105 default_io_pool = tp;
106 }
107 }
108
109 return ret;
110 }
111 }
112
113 int check_thread_pool_cfg() {
114 if(num_thrpools == 0) {
115 ThreadPoolConfig cfg;
116 cfg.min_threads = 4;
117 cfg.max_threads = 8;
118 cfg.queue_size = 64;
119 cfg.stack_size = 262144;
120 if(create_threadpool(cx_str("default"), &cfg)) {
121 return 1;
122 }
123 }
124
125 if(num_iopools == 0) {
126 if(create_io_pool(cx_str("default"), 8)) {
127 return 1;
128 }
129 }
130
131 return 0;
132 }
133
134 threadpool_t* get_default_threadpool() {
135 return default_thread_pool;
136 }
137
138 threadpool_t* get_threadpool(cxstring name) {
139 return cxMapGet(thread_pool_map, cx_hash_key_bytes((const unsigned char*)name.ptr, name.length));
140 }
141
142 threadpool_t* get_default_iopool() {
143 return default_io_pool;
144 }
145
146 threadpool_t* get_iopool(cxstring name) {
147 return cxMapGet(io_pool_map, cx_hash_key_bytes((const unsigned char*)name.ptr, name.length));
148 }
149
150
151 void shutdown_threadpools(void) {
152 log_ereport(LOG_INFORM, "shutdown threadpools");
153 CxIterator i = cxMapIteratorValues(thread_pool_map);
154 cx_foreach(threadpool_t*, tp, i) {
155 threadpool_shutdown(tp);
156 }
157 i = cxMapIteratorValues(io_pool_map);
158 cx_foreach(threadpool_t*, tp, i) {
159 threadpool_shutdown(tp);
160 }
161 }
162