src/server/daemon/event.c

Mon, 06 Mar 2017 17:32:26 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Mon, 06 Mar 2017 17:32:26 +0100
changeset 179
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parent 92
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child 159
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permissions
-rw-r--r--

merge srvctrl into default branch

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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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28
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29 #include <ucx/map.h>
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31 #include "event.h"
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33 UcxMap *event_handler_map = NULL;
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34 int numevhandlers = 0;
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35
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36 event_handler_t *default_event_handler = NULL;
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37
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38 event_handler_t *last_handler_c = NULL;
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39
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40 int create_event_handler(EventHandlerConfig *cfg) {
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41 if(event_handler_map == NULL) {
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42 event_handler_map = ucx_map_new(16);
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43 }
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44
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45 /* if the event handler already exists, we don't modify it */
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46 if(ucx_map_sstr_get(event_handler_map, cfg->name)) {
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47 /* TODO: log message */
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48 /* TODO: set reload status */
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49 return 1;
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50 }
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51
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52 /* create new handler */
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53 event_handler_t *e = evhandler_create(cfg->nthreads);
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54 if(e == NULL) {
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55 return 1;
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56 }
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57
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58 if(cfg->isdefault) {
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59 if(default_event_handler) {
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60 /* there can be only one default event handler */
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61 /* TODO: log warning */
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62 }
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63 default_event_handler = e;
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64 }
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65
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66 int ret = ucx_map_sstr_put(event_handler_map, cfg->name, e);
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67 if(ret == 0) {
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68 last_handler_c = e;
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69 numevhandlers++;
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70 }
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71
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72 return ret;
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73 }
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75 /*
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76 * checks if there is at least one event handler and a default handler
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77 * if necessary, check_event_handler_cfg() creates a default event handler
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78 */
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79 int check_event_handler_cfg() {
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80 if(numevhandlers > 0 ) {
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81 if(default_event_handler) {
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82 return 0;
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83 } else {
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84 default_event_handler = last_handler_c;
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85 return 0;
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86 }
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87 }
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88
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89 EventHandlerConfig cfg;
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90 cfg.name = sstr("default");
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91 cfg.nthreads = 1;
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92 cfg.isdefault = 1;
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93
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94 return create_event_handler(&cfg);
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95 }
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96
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98 event_handler_t* get_default_event_handler() {
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99 return default_event_handler;
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100 }
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101
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102 event_handler_t* get_event_handler(char *name) {
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103 return ucx_map_cstr_get(event_handler_map, name);
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104 }

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