comparison: src/server/daemon/event.c
src/server/daemon/event.c
- changeset 30
- 27c7511c0e34
- child 35
- 4417619a9bbd
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| 29:e8619defde14 | 30:27c7511c0e34 |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2011 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 "../ucx/map.h" | |
| 30 | |
| 31 #include "event.h" | |
| 32 | |
| 33 UcxMap *event_handler_map = NULL; | |
| 34 int numevhandlers = 0; | |
| 35 | |
| 36 event_handler_t *default_event_handler = NULL; | |
| 37 | |
| 38 event_handler_t *last_handler_c = NULL; | |
| 39 | |
| 40 int create_event_handler(EventHandlerConfig *cfg) { | |
| 41 if(event_handler_map == NULL) { | |
| 42 event_handler_map = ucx_map_new(16); | |
| 43 } | |
| 44 | |
| 45 /* if the event handler already exists, we don't modify it */ | |
| 46 if(ucx_map_sstr_get(event_handler_map, cfg->name)) { | |
| 47 /* TODO: log message */ | |
| 48 /* TODO: set reload status */ | |
| 49 return 1; | |
| 50 } | |
| 51 | |
| 52 /* create new handler */ | |
| 53 event_handler_t *e = evhandler_create(cfg->nthreads); | |
| 54 if(e == NULL) { | |
| 55 return 1; | |
| 56 } | |
| 57 | |
| 58 if(cfg->isdefault) { | |
| 59 if(default_event_handler) { | |
| 60 /* there can be only one default event handler */ | |
| 61 /* TODO: log warning */ | |
| 62 } | |
| 63 default_event_handler = e; | |
| 64 } | |
| 65 | |
| 66 int ret = ucx_map_sstr_put(event_handler_map, cfg->name, e); | |
| 67 if(ret == 0) { | |
| 68 last_handler_c = e; | |
| 69 numevhandlers++; | |
| 70 } | |
| 71 | |
| 72 return ret; | |
| 73 } | |
| 74 | |
| 75 /* | |
| 76 * checks if there is at least one event handler and a default handler | |
| 77 * if necessary, check_event_handler_cfg() creates a default event handler | |
| 78 */ | |
| 79 int check_event_handler_cfg() { | |
| 80 if(numevhandlers > 0 ) { | |
| 81 if(default_event_handler) { | |
| 82 return 0; | |
| 83 } else { | |
| 84 default_event_handler = last_handler_c; | |
| 85 return 0; | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 EventHandlerConfig cfg; | |
| 90 cfg.name = sstr("default"); | |
| 91 cfg.nthreads = 1; | |
| 92 cfg.isdefault = 1; | |
| 93 | |
| 94 return create_event_handler(&cfg); | |
| 95 } | |
| 96 |
