Open-ILS/src/c-apps/oils_event.c

   1 #include "oils_event.h"
   2 #include <libxml/parser.h>
   3 #include <libxml/tree.h>
   4
   5 osrfHash* __oilsEventEvents = NULL;
   6
   7 oilsEvent* oilsNewEvent( char* event ) {
   8         if(!event) return NULL;
   9         if(!__oilsEventEvents) _oilsEventParseEvents();
  10         oilsEvent* evt =  (oilsEvent*) safe_malloc(sizeof(oilsEvent));
  11         evt->event = strdup(event);
  12         evt->permloc = -1;
  13         return evt;
  14 }
  15
  16 oilsEvent* oilsNewEvent2( char* event, jsonObject* payload ) {
  17         oilsEvent* evt = oilsNewEvent(event);
  18         oilsEventSetPayload(evt, payload);
  19         return evt;
  20 }
  21
  22 oilsEvent* oilsNewEvent3( char* event, char* perm, int permloc ) {
  23         oilsEvent* evt = oilsNewEvent(event);
  24         oilsEventSetPermission( evt, perm, permloc );
  25         return evt;
  26 }
  27
  28 oilsEvent* oilsNewEvent4( char* event, char* perm, int permloc, jsonObject* payload ) {
  29         oilsEvent* evt = oilsNewEvent3( event, perm, permloc );
  30         if(evt) oilsEventSetPayload( evt, payload );
  31         return evt;
  32 }
  33
  34 void oilsEventSetPermission( oilsEvent* event, char* perm, int permloc ) {
  35         if(!(event && perm)) return;
  36         event->perm = strdup(perm);
  37         event->permloc = permloc;
  38 }
  39
  40 void oilsEventSetPayload( oilsEvent* event, jsonObject* payload ) {
  41         if(!(event && payload)) return;
  42         event->payload = jsonObjectClone(payload);
  43 }
  44
  45
  46 void oilsEventFree( oilsEvent* event ) {
  47         if(!event) return;
  48         free(event->perm);
  49         if(event->json) jsonObjectFree(event->json);
  50         else jsonObjectFree(event->payload);
  51         free(event);
  52 }
  53
  54
  55 jsonObject* oilsEventToJSON( oilsEvent* event ) {
  56         if(!event) return NULL;
  57         char* code = osrfHashGet( __oilsEventEvents, event->event );
  58
  59         if(!code) {
  60                 osrfLogError( "No such event name: %s", event->event );
  61                 return NULL;
  62         }
  63
  64         jsonObject* json = jsonNewObject(NULL);
  65         jsonObjectSetKey( json, "ilsevent", jsonNewNumberObject(atoi(code)) );
  66         jsonObjectSetKey( json, "textcode", jsonNewObject(event->event) );
  67
  68         if(event->perm) jsonObjectSetKey( json, "ilsperm", jsonNewObject(event->perm) );
  69         if(event->permloc != -1) jsonObjectSetKey( json, "ilspermloc", jsonNewNumberObject(event->permloc) );
  70         if(event->payload) jsonObjectSetKey( json, "payload", event->payload );
  71         event->json = json;
  72         return json;
  73 }
  74
  75
  76 void _oilsEventParseEvents() {
  77
  78         char* xml = "/openils/var/data/ils_events.xml"; /* get me from the settings client */
  79
  80         xmlDocPtr doc = xmlParseFile(xml);
  81         int success = 0;
  82         __oilsEventEvents = osrfNewHash();
  83
  84         if( doc ) {
  85                 xmlNodePtr root = xmlDocGetRootElement(doc);
  86                 if( root ) {
  87                         xmlNodePtr child = root->children;
  88                         //osrfLogDebug("Node Name: %s", child->name);
  89                         while( child ) {
  90                                 if( !strcmp((char*) child->name, "event") ) {
  91                                         xmlChar* code = xmlGetProp( child, BAD_CAST "code");
  92                                         xmlChar* textcode = xmlGetProp( child, BAD_CAST "textcode");
  93                                         if( code && textcode ) {
  94                                                 osrfHashSet( __oilsEventEvents, code, textcode );
  95                                                 success = 1;
  96                                                 osrfLogDebug("Loading OILS Event: %s => %s",
  97                                                                 textcode, osrfHashGet( __oilsEventEvents, textcode) );
  98                                         }
  99                                 }
 100                                 child = child->next;
 101                         }
 102                 }
 103         }
 104
 105         if(!success) osrfLogError( " ! Unable to parse events file: %s", xml );
 106 }
 107
 108