src/libopensrf/osrf_message.c

   1 #include <opensrf/osrf_message.h>
   2
   3 static char default_locale[17] = "en-US\0\0\0\0\0\0\0\0\0\0\0\0";
   4 static char* current_locale = NULL;
   5
   6 osrfMessage* osrf_message_init( enum M_TYPE type, int thread_trace, int protocol ) {
   7
   8         osrfMessage* msg                        = (osrfMessage*) safe_malloc(sizeof(osrfMessage));
   9         msg->m_type                                     = type;
  10         msg->thread_trace                       = thread_trace;
  11         msg->protocol                           = protocol;
  12         msg->status_name                        = NULL;
  13         msg->status_text                        = NULL;
  14         msg->status_code                        = 0;
  15         msg->next                                       = NULL;
  16         msg->is_exception                       = 0;
  17         msg->_params                            = NULL;
  18         msg->_result_content            = NULL;
  19         msg->result_string                      = NULL;
  20         msg->method_name                        = NULL;
  21         msg->full_param_string          = NULL;
  22         msg->sender_locale              = NULL;
  23         msg->sender_tz_offset           = 0;
  24
  25         return msg;
  26 }
  27
  28
  29 const char* osrf_message_get_last_locale() {
  30         return current_locale;
  31 }
  32
  33 char* osrf_message_set_locale( osrfMessage* msg, const char* locale ) {
  34         if( msg == NULL || locale == NULL ) return NULL;
  35         return msg->sender_locale = strdup( locale );
  36 }
  37
  38 const char* osrf_message_set_default_locale( const char* locale ) {
  39         if( locale == NULL ) return NULL;
  40         if( strlen(locale) > sizeof(default_locale) - 1 ) return NULL;
  41
  42         strcpy( default_locale, locale );
  43         return (const char*) default_locale;
  44 }
  45
  46 void osrf_message_set_method( osrfMessage* msg, const char* method_name ) {
  47         if( msg == NULL || method_name == NULL ) return;
  48         msg->method_name = strdup( method_name );
  49 }
  50
  51
  52 void osrf_message_add_object_param( osrfMessage* msg, const jsonObject* o ) {
  53         if(!msg|| !o) return;
  54         if(!msg->_params)
  55                 msg->_params = jsonParseString("[]");
  56         char* j = jsonObjectToJSON(o);
  57         jsonObjectPush(msg->_params, jsonParseString(j));
  58         free(j);
  59 }
  60
  61 void osrf_message_set_params( osrfMessage* msg, const jsonObject* o ) {
  62         if(!msg || !o) return;
  63
  64         if(o->type != JSON_ARRAY) {
  65                 osrfLogDebug( OSRF_LOG_MARK, "passing non-array to osrf_message_set_params(), fixing...");
  66                 if(msg->_params) jsonObjectFree(msg->_params);
  67                 jsonObject* clone = jsonObjectClone(o);
  68                 msg->_params = jsonNewObject(NULL);
  69                 jsonObjectPush(msg->_params, clone);
  70                 return;
  71         }
  72
  73         if(msg->_params) jsonObjectFree(msg->_params);
  74         msg->_params = jsonObjectClone(o);
  75 }
  76
  77
  78 /* only works if parse_json_params is false */
  79 void osrf_message_add_param( osrfMessage* msg, const char* param_string ) {
  80         if(msg == NULL || param_string == NULL) return;
  81         if(!msg->_params) msg->_params = jsonParseString("[]");
  82         jsonObjectPush(msg->_params, jsonParseString(param_string));
  83 }
  84
  85
  86 void osrf_message_set_status_info( osrfMessage* msg,
  87                 const char* status_name, const char* status_text, int status_code ) {
  88         if(!msg) return;
  89
  90         if( status_name != NULL )
  91                 msg->status_name = strdup( status_name );
  92
  93         if( status_text != NULL )
  94                 msg->status_text = strdup( status_text );
  95
  96         msg->status_code = status_code;
  97 }
  98
  99
 100 void osrf_message_set_result_content( osrfMessage* msg, const char* json_string ) {
 101         if( msg == NULL || json_string == NULL) return;
 102         msg->result_string =    strdup(json_string);
 103         if(json_string) msg->_result_content = jsonParseString(json_string);
 104 }
 105
 106
 107
 108 void osrfMessageFree( osrfMessage* msg ) {
 109         if( msg == NULL )
 110                 return;
 111
 112         if( msg->status_name != NULL )
 113                 free(msg->status_name);
 114
 115         if( msg->status_text != NULL )
 116                 free(msg->status_text);
 117
 118         if( msg->_result_content != NULL )
 119                 jsonObjectFree( msg->_result_content );
 120
 121         if( msg->result_string != NULL )
 122                 free( msg->result_string);
 123
 124         if( msg->method_name != NULL )
 125                 free(msg->method_name);
 126
 127         if( msg->sender_locale != NULL )
 128                 free(msg->sender_locale);
 129
 130         if( msg->_params != NULL )
 131                 jsonObjectFree(msg->_params);
 132
 133         free(msg);
 134 }
 135
 136
 137 char* osrfMessageSerializeBatch( osrfMessage* msgs [], int count ) {
 138         if( !msgs ) return NULL;
 139
 140         char* j;
 141         int i = 0;
 142         const osrfMessage* msg = NULL;
 143         jsonObject* wrapper = jsonNewObject(NULL);
 144
 145         while( ((msg = msgs[i]) && (i++ < count)) )
 146                 jsonObjectPush(wrapper, osrfMessageToJSON( msg ));
 147
 148         j = jsonObjectToJSON(wrapper);
 149         jsonObjectFree(wrapper);
 150
 151         return j;
 152 }
 153
 154
 155 char* osrf_message_serialize(const osrfMessage* msg) {
 156
 157         if( msg == NULL ) return NULL;
 158         char* j = NULL;
 159
 160         jsonObject* json = osrfMessageToJSON( msg );
 161
 162         if(json) {
 163                 jsonObject* wrapper = jsonNewObject(NULL);
 164                 jsonObjectPush(wrapper, json);
 165                 j = jsonObjectToJSON(wrapper);
 166                 jsonObjectFree(wrapper);
 167         }
 168
 169         return j;
 170 }
 171
 172
 173 jsonObject* osrfMessageToJSON( const osrfMessage* msg ) {
 174
 175         jsonObject* json = jsonNewObject(NULL);
 176         jsonObjectSetClass(json, "osrfMessage");
 177         jsonObject* payload;
 178         char sc[64];
 179         osrf_clearbuf(sc, sizeof(sc));
 180
 181         char* str;
 182
 183         INT_TO_STRING(msg->thread_trace);
 184         jsonObjectSetKey(json, "threadTrace", jsonNewObject(INTSTR));
 185
 186         if (msg->sender_locale != NULL) {
 187                 jsonObjectSetKey(json, "locale", jsonNewObject(msg->sender_locale));
 188         } else if (current_locale != NULL) {
 189                 jsonObjectSetKey(json, "locale", jsonNewObject(current_locale));
 190         } else {
 191                 jsonObjectSetKey(json, "locale", jsonNewObject(default_locale));
 192         }
 193
 194         switch(msg->m_type) {
 195
 196                 case CONNECT:
 197                         jsonObjectSetKey(json, "type", jsonNewObject("CONNECT"));
 198                         break;
 199
 200                 case DISCONNECT:
 201                         jsonObjectSetKey(json, "type", jsonNewObject("DISCONNECT"));
 202                         break;
 203
 204                 case STATUS:
 205                         jsonObjectSetKey(json, "type", jsonNewObject("STATUS"));
 206                         payload = jsonNewObject(NULL);
 207                         jsonObjectSetClass(payload, msg->status_name);
 208                         jsonObjectSetKey(payload, "status", jsonNewObject(msg->status_text));
 209                         snprintf(sc, sizeof(sc), "%d", msg->status_code);
 210                         jsonObjectSetKey(payload, "statusCode", jsonNewObject(sc));
 211                         jsonObjectSetKey(json, "payload", payload);
 212                         break;
 213
 214                 case REQUEST:
 215                         jsonObjectSetKey(json, "type", jsonNewObject("REQUEST"));
 216                         payload = jsonNewObject(NULL);
 217                         jsonObjectSetClass(payload, "osrfMethod");
 218                         jsonObjectSetKey(payload, "method", jsonNewObject(msg->method_name));
 219                         str = jsonObjectToJSON(msg->_params);
 220                         jsonObjectSetKey(payload, "params", jsonParseString(str));
 221                         free(str);
 222                         jsonObjectSetKey(json, "payload", payload);
 223
 224                         break;
 225
 226                 case RESULT:
 227                         jsonObjectSetKey(json, "type", jsonNewObject("RESULT"));
 228                         payload = jsonNewObject(NULL);
 229                         jsonObjectSetClass(payload,"osrfResult");
 230                         jsonObjectSetKey(payload, "status", jsonNewObject(msg->status_text));
 231                         snprintf(sc, sizeof(sc), "%d", msg->status_code);
 232                         jsonObjectSetKey(payload, "statusCode", jsonNewObject(sc));
 233                         str = jsonObjectToJSON(msg->_result_content);
 234                         jsonObjectSetKey(payload, "content", jsonParseString(str));
 235                         free(str);
 236                         jsonObjectSetKey(json, "payload", payload);
 237                         break;
 238         }
 239
 240         return json;
 241 }
 242
 243
 244 int osrf_message_deserialize(const char* string, osrfMessage* msgs[], int count) {
 245
 246         if(!string || !msgs || count <= 0) return 0;
 247         int numparsed = 0;
 248
 249         jsonObject* json = jsonParseString(string);
 250
 251         if(!json) {
 252                 osrfLogWarning( OSRF_LOG_MARK,
 253                         "osrf_message_deserialize() unable to parse data: \n%s\n", string);
 254                 return 0;
 255         }
 256
 257         int x;
 258
 259         for( x = 0; x < json->size && x < count; x++ ) {
 260
 261                 const jsonObject* message = jsonObjectGetIndex(json, x);
 262
 263                 if(message && message->type != JSON_NULL &&
 264                         message->classname && !strcmp(message->classname, "osrfMessage")) {
 265
 266                         osrfMessage* new_msg = safe_malloc(sizeof(osrfMessage));
 267                         new_msg->m_type = 0;
 268                         new_msg->thread_trace = 0;
 269                         new_msg->protocol = 0;
 270                         new_msg->status_name = NULL;
 271                         new_msg->status_text = NULL;
 272                         new_msg->status_code = 0;
 273                         new_msg->is_exception = 0;
 274                         new_msg->_result_content = NULL;
 275                         new_msg->result_string = NULL;
 276                         new_msg->method_name = NULL;
 277                         new_msg->_params = NULL;
 278                         new_msg->next = NULL;
 279                         new_msg->full_param_string = NULL;
 280                         new_msg->sender_locale = NULL;
 281                         new_msg->sender_tz_offset = 0;
 282
 283                         const jsonObject* tmp = jsonObjectGetKeyConst(message, "type");
 284
 285                         const char* t;
 286                         if( ( t = jsonObjectGetString(tmp)) ) {
 287
 288                                 if(!strcmp(t, "CONNECT"))               new_msg->m_type = CONNECT;
 289                                 else if(!strcmp(t, "DISCONNECT"))       new_msg->m_type = DISCONNECT;
 290                                 else if(!strcmp(t, "STATUS"))           new_msg->m_type = STATUS;
 291                                 else if(!strcmp(t, "REQUEST"))          new_msg->m_type = REQUEST;
 292                                 else if(!strcmp(t, "RESULT"))           new_msg->m_type = RESULT;
 293                         }
 294
 295                         tmp = jsonObjectGetKeyConst(message, "threadTrace");
 296                         if(tmp) {
 297                                 char* tt = jsonObjectToSimpleString(tmp);
 298                                 if(tt) {
 299                                         new_msg->thread_trace = atoi(tt);
 300                                         free(tt);
 301                                 }
 302                         }
 303
 304                         /* use the sender's locale, or the global default */
 305                         if (current_locale)
 306                                 free( current_locale );
 307
 308                         tmp = jsonObjectGetKeyConst(message, "locale");
 309
 310                         if(tmp && (new_msg->sender_locale = jsonObjectToSimpleString(tmp))) {
 311                                 current_locale = strdup( new_msg->sender_locale );
 312                         } else {
 313                                 current_locale = NULL;
 314                         }
 315
 316                         tmp = jsonObjectGetKeyConst(message, "protocol");
 317
 318                         if(tmp) {
 319                                 char* proto = jsonObjectToSimpleString(tmp);
 320                                 if(proto) {
 321                                         new_msg->protocol = atoi(proto);
 322                                         free(proto);
 323                                 }
 324                         }
 325
 326                         tmp = jsonObjectGetKeyConst(message, "payload");
 327                         if(tmp) {
 328                                 if(tmp->classname)
 329                                         new_msg->status_name = strdup(tmp->classname);
 330
 331                                 const jsonObject* tmp0 = jsonObjectGetKeyConst(tmp,"method");
 332                                 const char* tmp_str = jsonObjectGetString(tmp0);
 333                                 if(tmp_str)
 334                                         new_msg->method_name = strdup(tmp_str);
 335
 336                                 tmp0 = jsonObjectGetKeyConst(tmp,"params");
 337                                 if(tmp0) {
 338                                         char* s = jsonObjectToJSON(tmp0);
 339                                         new_msg->_params = jsonParseString(s);
 340                                         if(new_msg->_params && new_msg->_params->type == JSON_NULL)
 341                                                 new_msg->_params->type = JSON_ARRAY;
 342                                         free(s);
 343                                 }
 344
 345                                 tmp0 = jsonObjectGetKeyConst(tmp,"status");
 346                                 tmp_str = jsonObjectGetString(tmp0);
 347                                 if(tmp_str)
 348                                         new_msg->status_text = strdup(tmp_str);
 349
 350                                 tmp0 = jsonObjectGetKeyConst(tmp,"statusCode");
 351                                 if(tmp0) {
 352                                         tmp_str = jsonObjectGetString(tmp0);
 353                                         if(tmp_str)
 354                                                 new_msg->status_code = atoi(tmp_str);
 355                                         if(tmp0->type == JSON_NUMBER)
 356                                                 new_msg->status_code = (int) jsonObjectGetNumber(tmp0);
 357                                 }
 358
 359                                 tmp0 = jsonObjectGetKeyConst(tmp,"content");
 360                                 if(tmp0) {
 361                                         char* s = jsonObjectToJSON(tmp0);
 362                                         new_msg->_result_content = jsonParseString(s);
 363                                         free(s);
 364                                 }
 365
 366                         }
 367                         msgs[numparsed++] = new_msg;
 368                 }
 369         }
 370
 371         jsonObjectFree(json);
 372         return numparsed;
 373 }
 374
 375
 376
 377 jsonObject* osrfMessageGetResult( osrfMessage* msg ) {
 378         if(msg) return msg->_result_content;
 379         return NULL;
 380 }
 381