Source File modules/ud/ud_process_stream.c

    1    | /***************************************
    2    |   $Revision: 1.33 $
    3    |
    4    |   Functions to process data stream( file, network socket, etc.)
    5    |
    6    |   Status: NOT REVUED, NOT TESTED
    7    |
    8    |  Author(s):       Chris Ottrey, Andrei Robachevsky
    9    |
    10   |   ******************/ /******************
    11   |   Modification History:
    12   |         andrei (17/01/2000) Created.
    13   |   ******************/ /******************
    14   |   Copyright (c) 2000                              RIPE NCC
    15   |
    16   |   All Rights Reserved
    17   |
    18   |   Permission to use, copy, modify, and distribute this software and its
    19   |   documentation for any purpose and without fee is hereby granted,
    20   |   provided that the above copyright notice appear in all copies and that
    21   |   both that copyright notice and this permission notice appear in
    22   |   supporting documentation, and that the name of the author not be
    23   |   used in advertising or publicity pertaining to distribution of the
    24   |   software without specific, written prior permission.
    25   |
    26   |   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
    27   |   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
    28   |   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
    29   |   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
    30   |   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    31   |   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
    32   |  ***************************************/
    33   | #include <sys/types.h>
    34   | #include <sys/socket.h>
    35   | #include <netdb.h>
    36   | #include <arpa/inet.h>
    37   | #include <unistd.h>
    38   | #include <sys/stat.h>
    39   | #include <fcntl.h>
    40   | #include <string.h>
    41   | #include "constants.h"
    42   | #include "query_command.h"
    43   | #include "ud.h"
    44   | #include "ud_int.h"
    45   |
    46   | typedef enum _Line_Type_t {
    47   |  LINE_ATTRIBUTE,
    48   |  LINE_COMMENT,
    49   |  LINE_EMPTY,
    50   |  LINE_EOF,
    51   |  LINE_ADD,
    52   |  LINE_UPD,
    53   |  LINE_DEL,
    54   |  LINE_OVERRIDE_ADD,
    55   |  LINE_OVERRIDE_UPD,
    56   |  LINE_OVERRIDE_DEL,
    57   |  LINE_PLUS
    58   | } Line_Type_t;
    59   |
    60   | /* Maximum number of objects(serials) we can consume at a time */
    61   | #define SBUNCH 1000
    62   |
    63   | static int report_transaction(Transaction_t *tr, Log_t *log, char *obj_name, char *reason);
    64   | static int process_nrtm(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation);
    65   | static int process_updates(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation);
    66   | static int process_transaction(UD_stream_t *ud_stream,Object_t *obj,char *object_name,nic_handle_t *nh, int operation);
    67   |
    68   | /* Delimiters that separate list members, both RPS(,) and legacy( ) */
    69   | #define ATTR_DELIMITERS " ,"
    70   |
    71   |
    72   | void ud_parse_init(Obj_parse_t *parse){
    73   |      bzero(parse, sizeof(Obj_parse_t));
    74   |      parse->start_object=1;
    75   | }
    76   |
    77   | void ud_parse_free(Obj_parse_t *parse){
    78   |      free(parse->object_name);
    79   | }
    80   |
    81   |
    82   |
    83   | static GSList *split_attribute(GSList *attr_list, A_Type_t attr_type, char *attr_value){
    84   | char *token;
    85   | char *split;
    86   | char *value, *n;
    87   | Attribute_t *attr_split;
    88   | GSList *the_list = attr_list;
    89   |
    90   |   /* check for line continuation (+) */
    91   |   if (strncmp(attr_value, "+", 1) == 0) attr_value++;
    92   |   /* check for end-of-line comments */
    93   |   n = index(attr_value, '#');
    94   |       /* if there is no comment check for trailing \n */
    95   |   if(n == NULL) n = index(attr_value, '\n');
    96   |   /* now copy the clean value into the attribute */
    97   |   if(n == NULL) value = g_strdup(attr_value);
    98   |   else  value = g_strndup(attr_value, (n - attr_value));
    99   |
    100  |   token=value;
    101  |   while((split=strsep(&token, ATTR_DELIMITERS))){
    102  |      attr_split = attribute_new1(attr_type, split);
    103  |      if (attr_split) the_list = g_slist_append(the_list, attr_split);
    104  |   }
    105  |   free(value);
    106  |  return(the_list);
    107  | }
    108  |
    109  | /************************************************************
    110  | *                                                           *
    111  | * The function to reorder attributes in the List            *
    112  | * nic-hdl and mnt-by should come first                      *
    113  | *                                                           *
    114  | * should return 0 if they are equal, a negative value if    *
    115  | * the first element comes before the second, or a positive  *
    116  | * value if the first element comes after the second         *
    117  | *                                                           *
    118  | ************************************************************/
    119  | static gint reorder_attributes(const void *element1, const void *element2)
    120  | {
    121  | Attribute_t *attr1 = (Attribute_t *)element1;
    122  | Attribute_t *attr2 = (Attribute_t *)element2;
    123  | gint order = -1;
    124  |
    125  |   if(attr2->type == A_MB) order= 1;
    126  |   if(attr1->type == A_MB) order= -1;
    127  |   if(attr2->type == A_NH) order= 1;
    128  |   if(attr1->type == A_NH) order= -1;
    129  |
    130  |   return(order);
    131  |
    132  | }
    133  |
    134  | /* XXX */
    135  | static void each_attribute_print(void *element_data, void *tr_ptr)
    136  | {
    137  |
    138  | Attribute_t *attr = (Attribute_t *)element_data;
    139  |
    140  |  fprintf(stderr, "[%d|%s]\n", attr->type, attr->value);
    141  |
    142  | }
    143  |
    144  | /* XXX */
    145  | static void print_object(Object_t *obj)
    146  | {
    147  |   g_slist_foreach(obj->attributes, each_attribute_print, NULL);
    148  |   fprintf(stderr, ">>>>>\n%s\n", obj->object->str);
    149  | }
    150  |
    151  |
    152  | /******************************************************************
    153  | * GString *escape_apostrophes()                                   *
    154  | * Escapes apostrophes in the text so they do not confuse printf   *
    155  | * functions and don't corrupt SQL queries                         *
    156  | *                                                                 *
    157  | * *****************************************************************/
    158  | GString *escape_apostrophes(GString *text) {
    159  |   int i;
    160  |   for (i=0; i < text->len; i++) {
    161  |     if ((text->str[i] == '\'') || (text->str[i] == '\\')) {
    162  |       text = g_string_insert_c(text, i, '\\');
    163  |       i++;
    164  |     }
    165  |   }
    166  |  return(text);
    167  | } /* escape_apostrophes() */
    168  |
    169  |
    170  | /******************************************************************
    171  | * Line_Type_t line_type(e)                                        *
    172  | * Determines the line type analysing the first letters            *
    173  | *                                                                 *
    174  | * ****************************************************************/
    175  | static Line_Type_t line_type(const char *line) {
    176  |   Line_Type_t result = -1;
    177  |
    178  |   if (strncmp(line, "# EOF", 4) == 0) {
    179  |     result = LINE_EOF;
    180  |   }
    181  |   else if (strncmp(line, "#", 1) == 0) {
    182  |     result = LINE_COMMENT;
    183  |   }
    184  |   else if (strcmp(line, "\n") == 0) {
    185  |     result = LINE_EMPTY;
    186  |   }
    187  |   else if (strcmp(line, "ADD\n") == 0) {
    188  |     result = LINE_ADD;
    189  |   }
    190  |   else if (strcmp(line, "UPD\n") == 0) {
    191  |     result = LINE_UPD;
    192  |   }
    193  |   else if (strcmp(line, "DEL\n") == 0) {
    194  |     result = LINE_DEL;
    195  |   }
    196  |   else if (strcmp(line, "ADD_OVERRIDE\n") == 0) {
    197  |     result = LINE_OVERRIDE_ADD;
    198  |   }
    199  |   else if (strcmp(line, "UPD_OVERRIDE\n") == 0) {
    200  |     result = LINE_OVERRIDE_UPD;
    201  |   }
    202  |   else if (strcmp(line, "DEL_OVERRIDE\n") == 0) {
    203  |     result = LINE_OVERRIDE_DEL;
    204  |   }
    205  |   else if (strncmp(line, "+", 1) == 0) {
    206  |     result = LINE_PLUS;
    207  |   }
    208  |   else {
    209  |     result = LINE_ATTRIBUTE;
    210  |   }
    211  |
    212  |   return result;
    213  | } /* line_type() */
    214  |
    215  | /******************************************************************
    216  | * Object_t *UD_parse_object()                                     *
    217  | *                                                                 *
    218  | * Parses the object accepting line by line                        *
    219  | *                                                                 *
    220  | * ****************************************************************/
    221  | Object_t *UD_parse_object(SQ_connection_t *sql_connection, Obj_parse_t *parse, char *line_buff)
    222  | {
    223  | GString *g_line_buff;
    224  | Attribute_t *class_attr, *attr;
    225  | char *a_value, *ptr;
    226  | char nic[MAX_NH_LENGTH];
    227  |
    228  |   if ((g_line_buff = g_string_sized_new(STR_XXL)) == NULL){
    229  |     fprintf(stderr, "E: cannot allocate gstring\n");
    230  |     die;
    231  |   }
    232  |
    233  |   if (parse->start_object == 1) {
    234  |    parse->obj = object_new(line_buff);
    235  |   }
    236  |   if (parse->obj) {
    237  |    g_string_sprintf(g_line_buff, "%s", line_buff);
    238  |    /* escape apostrophes in the input line */
    239  |    g_line_buff=escape_apostrophes(g_line_buff);
    240  |
    241  |    if(parse->start_object == 1){
    242  |    /* If this is the first attribute(==object name/type) */
    243  |     parse->start_object=0;
    244  |     parse->object_name = g_strndup(g_line_buff->str, g_line_buff->len);
    245  |      *(parse->object_name+g_line_buff->len-1)='\0';
    246  |     fprintf(stderr, "D: object: [%s] ", parse->object_name);
    247  |   /* Create an attribute - the first one determines a class */
    248  |     parse->class_attr_list=NULL; /* Initialize the list that will hold splitted class attribute */
    249  |     class_attr = attribute_new(g_line_buff->str);
    250  |     if (class_attr == NULL) die; /* Should not happen */
    251  |     if((class_attr->type==A_PN)||(class_attr->type==A_RO)){
    252  |    /* split names */
    253  |       parse->class_attr_list = split_attribute(parse->class_attr_list, class_attr->type, class_attr->value);
    254  |       attribute_free(class_attr, NULL);
    255  |     } else {
    256  |       parse->class_attr_list = g_slist_append(parse->class_attr_list, class_attr);
    257  |     }
    258  |   /* do nothing more with this attribute - we will prepend it at the end */
    259  |    }
    260  |    else {
    261  |      attr = attribute_new(g_line_buff->str);
    262  |
    263  |      if (attr) {
    264  |        parse->a_type=attr->type;
    265  |        a_value=attr->value;
    266  |        if(parse->a_type==A_NH) {
    267  |           /*  Parse the string into nh structure */
    268  |           /*  In case of an AUTO NIC handle check the ID in the database */
    269  |           /* Possible errors leave to core processing */
    270  |           if(NH_parse(attr->value, &parse->nh_ptr) == 0) {
    271  | /*         fprintf(stderr, "D:parsing NIC: [%s]\n", attr->value); */
    272  |            /* Check if we can allocate it */
    273  |             if(NH_check(parse->nh_ptr, sql_connection)>0){
    274  |             /* Convert nh to the database format */
    275  |               NH_convert(nic, parse->nh_ptr);
    276  | /*      fprintf(stderr, "D:NIC:[%s]\n", nic); */
    277  |               /* Replace NIC handle in the string which is copied to the text object */
    278  |               sprintf(line_buff, g_line_buff->str);
    279  |               ptr = strstr(line_buff, attr->value);
    280  |               /* parse new attribute string */
    281  |               strcpy(ptr, nic);
    282  |               g_string_sprintf(g_line_buff, line_buff);
    283  |               g_string_sprintfa(g_line_buff, "\n");
    284  |               /* Update the attribute */
    285  |               attribute_upd(attr, attr->type, nic);
    286  | /*      fprintf(stderr, "D:attribute updated\n"); */
    287  |             }
    288  |           }
    289  |        } /* NHR stuff */
    290  |      }
    291  |      else
    292  |        a_value=g_line_buff->str;
    293  |
    294  |      if (parse->a_type>=0) { /* This indicates that the input line contains the value of the attribute */
    295  | 	 switch	(parse->a_type) {
    296  |             /*these attributes may appear several on the line - split them*/
    297  |             case A_PN: /* person */
    298  |             case A_RO: /* role */
    299  |             case A_MR: /* mbrs-by-ref */
    300  |             case A_MB: /* mnt-by */
    301  |             case A_MO: /* member-of */
    302  |             case A_SD: /* sub-dom */
    303  |             case A_RZ: /* rev-srv */
    304  |             case A_NS: /* nserver */
    305  |                 parse->obj->attributes = split_attribute(parse->obj->attributes, parse->a_type, a_value);
    306  |                 if (attr) attribute_free(attr, NULL);
    307  |              attr=NULL;
    308  |              break;
    309  |             default: break;
    310  |          }
    311  | /*       g_string_sprintfa(obj->object, "%s", g_line_buff->str); */
    312  |          if(attr)parse->obj->attributes = g_slist_append(parse->obj->attributes, attr);
    313  |      }
    314  |    } /* if not start_object (not the first/class attribute) */
    315  |    /* copy the line into object no matter whether it is an attribute or not (continualtion, etc.) */
    316  |    g_string_sprintfa(parse->obj->object, "%s", g_line_buff->str);
    317  |   }/* if (obj) */
    318  |   return(parse->obj);
    319  | }
    320  |
    321  | /******************************************************************
    322  | * report_transaction()                                            *
    323  | *                                                                 *
    324  | * Prints error report to the log                                  *
    325  | *                                                                 *
    326  | * reason - additional message that will be included               *
    327  | *                                                                 *
    328  | * *****************************************************************/
    329  | static int report_transaction(Transaction_t *tr, Log_t *log, char *obj_name, char *reason)
    330  | {
    331  | int result=0;
    332  |
    333  |  if(tr->succeeded==0) {
    334  |   result=tr->error;
    335  |   log->num_failed++;
    336  |   fprintf(stderr, "FAILED[%s][%s(%d)](%d/%d)\n ", obj_name, reason, result, log->num_failed, (log->num_failed)+(log->num_ok));
    337  |   fprintf(log->logfile, "*FAILED[%s][%s](%d/%d)\n ", obj_name, reason, log->num_failed, (log->num_failed)+(log->num_ok));
    338  |   if(result & ERROR_U_MEM) fprintf(log->logfile, "\t*Memory allocation error\n");
    339  |   if(result & ERROR_U_DBS) fprintf(log->logfile, "\t*Database (SQL) error\n");
    340  |   if(result & ERROR_U_OBJ) fprintf(log->logfile, "\t*Object (RF) error\n");
    341  |   if(result & ERROR_U_AUT) fprintf(log->logfile, "\t*Object authentication error\n");
    342  |   if(result & ERROR_U_BADOP) fprintf(log->logfile, "\t*Bad operation\n");
    343  |   if(result & ERROR_U_COP) fprintf(log->logfile, "\t*Conflicting operation\n");
    344  |   if(result & ERROR_U_NSUP) fprintf(log->logfile, "\t*Object of this type is not supported\n");
    345  |   if(result & ERROR_U_BUG) fprintf(log->logfile, "\t*Software bug - report to <ripe-dbm@ripe.net>\n");
    346  |   fprintf(log->logfile, "%s", (tr->error_script)->str);
    347  |   result=(-1)*result;
    348  |   fflush(log->logfile);
    349  |  }
    350  |  else {
    351  |   result=1;
    352  |   log->num_ok++;
    353  |   fprintf(stderr, "OK(%d/%d)\n", log->num_ok, (log->num_failed)+(log->num_ok));
    354  |  }
    355  |
    356  |  return(result);
    357  | }/* report_transaction() */
    358  |
    359  |
    360  |
    361  | /************************************************************
    362  | * process_nrtm()                                            *
    363  | *                                                           *
    364  | * Process object in NRTM client mode                        *
    365  | *                                                           *
    366  | * nrtm - pointer to _nrtm structure                         *
    367  | * log - pointer to Log_t structure                          *
    368  | * object_name - name of the object                          *
    369  | * operation - operation code (OP_ADD/OP_DEL)                *
    370  | *                                                           *
    371  | * Returns:                                                  *
    372  | * 1  - okay                                                 *
    373  | * <0 - error                                                *
    374  | *                                                           *
    375  | ************************************************************/
    376  |
    377  | static int process_nrtm(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation)
    378  | {
    379  | int result=0;
    380  | int dummy=0;
    381  | struct _nrtm *nrtm = ud_stream->nrtm;
    382  | Log_t *log_ptr= &(ud_stream->log);
    383  |
    384  |   /* We allow NRTM updates for some inconsistent objects                  */
    385  |   /* One of the examples is reference by name which looks like nic-handle */
    386  |   /* For this purpose we allow dummy creation when updating an object     */
    387  |   /* We also check for dummy allowance when deleting an object            */
    388  |   /* this is done to allow deletion of person objects referenced by name  */
    389  |
    390  |   tr->dummy=1;
    391  |
    392  |   switch (operation) {
    393  |
    394  |   case OP_ADD:
    395  |     if(nrtm->tr){ /* DEL ADD => saved*/
    396  |       if(tr->object_id==0) {
    397  | 	/* object does not exist in the DB */
    398  |         object_process(nrtm->tr); /* delete the previous(saved) object*/
    399  |         result=report_transaction(nrtm->tr, log_ptr, nrtm->object_name, "NRTM:DEL:While deleting previous(saved)");
    400  |         /* create DEL serial */
    401  | 	create_serial(nrtm->tr);
    402  |         object_free(nrtm->tr->object);
    403  |         transaction_free(nrtm->tr); nrtm->tr=NULL;
    404  |         /* Create an object and update NHR */
    405  |         tr->action=(TA_CREATE | TA_UPD_NHR);
    406  | /*      fprintf(stderr,"CREATE next\n"); */
    407  |         object_process(tr); /* create a new one*/
    408  |         result=report_transaction(tr, log_ptr, object_name, "NRTM:ADD:While creating new");
    409  | 	/* create ADD serial */
    410  |         create_serial(tr);
    411  |       }
    412  |       else {
    413  |       /* object already exists in the DB - update or dummy replacement*/
    414  |         if(tr->object_id==nrtm->tr->object_id) {/*compare the two, may be we may collapse operations*/
    415  |           object_free(nrtm->tr->object);
    416  |           transaction_free(nrtm->tr); nrtm->tr=NULL;
    417  | /*        fprintf(stderr,"DEL-ADD ->> UPDATE\n");*/
    418  |           tr->action=TA_UPDATE;
    419  |           object_process(tr);
    420  |           report_transaction(tr, log_ptr, object_name,"NRTM:upd");
    421  |           result=report_transaction(tr, log_ptr, object_name,"NRTM:upd");
    422  | 	  /* create DEL+ADD serial records */
    423  | 	  tr->action=TA_DELETE; create_serial(tr);
    424  |           tr->action=TA_CREATE; create_serial(tr);
    425  |         }
    426  |         else { /* this should be a dummy object in the database(that we are going to replace with the real one */
    427  |         /* or an interleaved operation*/
    428  | /*        fprintf(stderr,"DEL previous\n");*/
    429  |           object_process(nrtm->tr); /* delete the previous(saved) object*/
    430  |           result=report_transaction(nrtm->tr, log_ptr, nrtm->object_name, "NRTM:DEL:While deleting previous(saved)");
    431  |           /* create a DEL serial record */
    432  | 	  create_serial(nrtm->tr);
    433  |           object_free(nrtm->tr->object);
    434  |           transaction_free(nrtm->tr); nrtm->tr=NULL;
    435  |           tr->action=TA_UPDATE;
    436  |           dummy=isdummy(tr);
    437  |           /* If we are replacing dummy with a real object update NHR */
    438  |           if(dummy==1) tr->action |= TA_UPD_NHR;
    439  | /*        fprintf(stderr,"UPDATE next(dummy)\n"); */
    440  |           object_process(tr); /* create a new one*/
    441  |           result=report_transaction(tr, log_ptr, object_name, "NRTM:ADD:While creating new");
    442  | 	  /* For serials this is CREATE operation */
    443  |           if(dummy==1) tr->action=TA_CREATE;
    444  | 	  /* create ADD serial record */
    445  |           create_serial(tr);
    446  |         }
    447  |       }
    448  |     }
    449  |     else { /* ADD ADD =>brand new object*/
    450  |       if(tr->object_id==0) {
    451  | /*      fprintf(stderr,"CREATE new\n");*/
    452  |         /* Create an object and update NHR */
    453  |         tr->action=(TA_CREATE | TA_UPD_NHR);
    454  |         object_process(tr);
    455  |         result=report_transaction(tr, log_ptr, object_name,"NRTM:ADD:While creating new");
    456  |         /* create ADD serial */
    457  | 	create_serial(tr);
    458  |       }
    459  |       else { /* object already exists in the database */
    460  | 	/* this may happen because of dummies*/
    461  | 	/* or with some implementations of mirroring protocol that have atomic update */
    462  | 	/* instead of add + del */
    463  | /*      fprintf(stderr,"CREATE new\n");*/
    464  |         tr->action=TA_UPDATE;
    465  |         dummy=isdummy(tr);
    466  |  /* If we are replacing dummy with a real object update NHR */
    467  |         if(dummy==1) tr->action |= TA_UPD_NHR;
    468  |         object_process(tr);
    469  |         result=report_transaction(tr, log_ptr, object_name,"NRTM:ADD:While creating new");
    470  |         if(dummy==1) tr->action=TA_CREATE; /* we don't want to generate DEL serial for dummy replacement*/
    471  |         /* create ADD serial record */
    472  | 	create_serial(tr);
    473  |       }
    474  |     }
    475  |     break;
    476  |
    477  |   case OP_DEL:
    478  |     if(nrtm->tr){ /*DEL DEL =>saved */
    479  | /*    fprintf(stderr,"DEL previous\n");*/
    480  |       object_process(nrtm->tr); /* delete the previous(saved) object*/
    481  |       result=report_transaction(nrtm->tr, log_ptr, nrtm->object_name, "NRTM:DEL:While deleting previous(saved) object");
    482  |       /* create DEL serial record */
    483  |       create_serial(nrtm->tr);
    484  |       object_free(nrtm->tr->object);
    485  |       transaction_free(nrtm->tr); nrtm->tr=NULL;
    486  |     }
    487  |     if(tr->object_id>0){ /* save the object*/
    488  |       fprintf(stderr,"SAVED\n");
    489  |       tr->action=TA_DELETE;
    490  |       nrtm->tr=tr;
    491  |       strcpy(nrtm->object_name, object_name);
    492  |       return(1);
    493  |     }
    494  |     else { /* this is an error - Trying to DEL non-existing object*/
    495  |       tr->succeeded=0; tr->error|=ERROR_U_COP;
    496  |       result=report_transaction(tr, log_ptr, object_name, "NRTM:OOS:Trying to DEL non-existing object");
    497  |       /* create DEL serial record anyway */
    498  |       tr->action=TA_DELETE;
    499  |       create_serial(tr);
    500  |     }
    501  |     break;
    502  |
    503  |   default:
    504  |     tr->succeeded=0; tr->error |=ERROR_U_BADOP;
    505  |     break;
    506  |   }
    507  |
    508  |  /* Free resources */
    509  |   object_free(tr->object);
    510  |   transaction_free(tr);
    511  |
    512  |   return(result);
    513  | } /* process_nrtm() */
    514  |
    515  |
    516  |
    517  | /************************************************************
    518  | * process_updates()                                         *
    519  | *                                                           *
    520  | * Process object in update mode                             *
    521  | *                                                           *
    522  | * ud_stream - pointer to UD_stream structure                *
    523  | * object_name - name of the object                          *
    524  | * operation - operation code (OP_ADD/OP_DEL)                *
    525  | *                                                           *
    526  | * Note:                                                     *
    527  | * Frees tr and tr->obj on exit                              *
    528  | *                                                           *
    529  | * Returns:                                                  *
    530  | * 1  - okay                                                 *
    531  | * <0 - error                                                *
    532  | *                                                           *
    533  | ************************************************************/
    534  |
    535  | static int process_updates(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation)
    536  | {
    537  | int result=0;
    538  | Log_t *log_ptr= &(ud_stream->log);
    539  | int dummy=0;
    540  |
    541  |     switch(operation) {
    542  |     /* Compare operations and report an error if they do not match */
    543  |     case OP_ADD:
    544  |              if(tr->object_id!=0) { /* trying to create, but object exists */
    545  |         tr->succeeded=0; tr->error|=ERROR_U_COP;
    546  |       } else {
    547  |        /* Action: create the object and update NHR */
    548  |         tr->action=(TA_CREATE | TA_UPD_NHR);
    549  |         object_process(tr);
    550  |       }
    551  |       break;
    552  |     case OP_UPD:
    553  |       if(tr->object_id==0) { /* trying to update non-existing object*/
    554  |         tr->succeeded=0; tr->error|=ERROR_U_COP;
    555  |       } else {
    556  |         tr->action=TA_UPDATE;
    557  |         dummy=isdummy(tr);
    558  |         /* If we are replacing dummy with a real object update NHR */
    559  |         if(dummy==1) tr->action |= TA_UPD_NHR;
    560  |         object_process(tr);
    561  |       }
    562  |       break;
    563  |
    564  |     case OP_DEL:
    565  |       if(tr->object_id==0) { /* trying t delete non-existing object*/
    566  |         tr->succeeded=0; tr->error|=ERROR_U_COP;
    567  |       } else {
    568  |         tr->action=TA_DELETE;
    569  |         object_process(tr);
    570  |       }
    571  |       break;
    572  |
    573  |     default:
    574  |       /* bad operation for this mode if not standalone */
    575  |       if(tr->standalone) {
    576  |         if(tr->object_id==0)tr->action=TA_CREATE; else tr->action=TA_UPDATE;
    577  |         object_process(tr);
    578  |       }
    579  |       else {
    580  |         tr->succeeded=0;
    581  |         tr->error|=ERROR_U_BADOP;
    582  |       }
    583  |       break;
    584  |     }
    585  |    /* Make a report */
    586  |     result=report_transaction(tr, log_ptr, object_name, "RIPupd:");
    587  |
    588  |    /* If not in standalone mode create serial and copy error transcript */
    589  |     if(!tr->standalone) {
    590  |       if(result==1)create_serial(tr);
    591  |       ud_stream->error_script=g_strdup((tr->error_script)->str);
    592  |     }
    593  |
    594  |    /* Free resources */
    595  |     object_free(tr->object);
    596  |     transaction_free(tr);
    597  |
    598  |     return(result);
    599  |
    600  | } /* process_updates() */
    601  |
    602  |
    603  | /************************************************************
    604  | *                                                           *
    605  | * int process_transaction()                                 *
    606  | *                                                           *
    607  | * Processes the transaction                                 *
    608  | *                                                           *
    609  | * ud_stream - pointer to UD_stream_t structure              *
    610  | *                                                           *
    611  | * Returns:                                                  *
    612  | * 1 - no error                                              *
    613  | * <0- errors                                                *
    614  | *                                                           *
    615  | ************************************************************/
    616  |
    617  | /* It frees the obj */
    618  |
    619  | static int process_transaction(UD_stream_t *ud_stream,
    620  |                         Object_t *obj,
    621  |                         char *object_name,
    622  |                         nic_handle_t *nh,
    623  |                         int operation)
    624  | {
    625  | Transaction_t *tr = NULL;
    626  | Log_t *log_ptr = &(ud_stream->log);
    627  | Attribute_t *attr=NULL;
    628  | int result;
    629  |
    630  | /* start new transaction now */
    631  |  tr = transaction_new(ud_stream->db_connection, obj->type);
    632  |
    633  | /* Return with error if transaction cannot be created */
    634  |  if (tr == NULL) die;
    635  |
    636  |  tr->standalone=IS_STANDALONE(ud_stream->ud_mode);
    637  |  tr->dummy=IS_DUMMY_ALLOWED(ud_stream->ud_mode);
    638  |  tr->load_pass=ud_stream->load_pass;
    639  |  tr->object=obj;
    640  |  tr->nh=nh;
    641  |  tr->source_hdl=ud_stream->source_hdl;
    642  |
    643  | /* We perform no commit/rollback in the loader mode, so thread_id should be set to 0 */
    644  |  if(ud_stream->load_pass!=0) { tr->thread_ins=0; tr->thread_upd=0; }
    645  |
    646  | /* For the first load pass we only create objects */
    647  |  if(ud_stream->load_pass==1) tr->object_id=0;
    648  |   else tr->object_id=get_object_id(tr);
    649  |
    650  | /* Object cannot be retrieved */
    651  |  if(tr->object_id==-1) { /* DB error*/
    652  |     tr->succeeded=0;
    653  |     tr->error |= ERROR_U_DBS;
    654  |     report_transaction(tr, log_ptr, object_name, "Object cannot be retrieved");
    655  |     transaction_free(tr);
    656  |     object_free(obj);
    657  |     die;
    658  |  }
    659  | /* save the name of person/role as we need it for referential */
    660  | /* integrity check when deleting the object against names. */
    661  | /* This is needed to support legacy references by name rather */
    662  | /* then by nic_hdl */
    663  |   if((tr->class_type==C_PN) || (tr->class_type==C_RO)){
    664  |      attr = attribute_new(object_name);
    665  |
    666  |      if (attr==NULL) {
    667  |        tr->succeeded=0;
    668  |        tr->error |= ERROR_U_MEM;
    669  |        report_transaction(tr, log_ptr, object_name, "Cannot allocate memory");
    670  |        transaction_free(tr);
    671  |        object_free(obj);
    672  |        die;
    673  |     }
    674  |
    675  |     /* Save the value */
    676  |     tr->save=g_strdup(attr->value);
    677  |     attribute_free(attr, NULL);
    678  |   }
    679  |
    680  | /* Process transaction. tr and obj are freed inside the process_* functions */
    681  |
    682  |  if(IS_UPDATE(ud_stream->ud_mode))
    683  |  /* We are in update mode */
    684  |     result=process_updates(ud_stream, tr, object_name, operation);
    685  |  else
    686  |  /* We are in NRTM mode */
    687  |     result=process_nrtm(ud_stream, tr, object_name, operation);
    688  |
    689  |  return(result);
    690  |
    691  | }
    692  |
    693  |
    694  | /************************************************************
    695  | *                                                           *
    696  | * int UD_process_stream(UD_stream_t *ud_stream)             *
    697  | *                                                           *
    698  | * Processes the stream                                      *
    699  | *                                                           *
    700  | * ud_stream - pointer to UD_stream_t structure              *
    701  | *                                                           *
    702  | * Returns:                                                  *
    703  | * in update mode (!standalone)(1 object processed):         *
    704  | * 1 - no error                                              *
    705  | * <0- errors                                                *
    706  | *                                                           *
    707  | * in NRTM & standalone modes                                *
    708  | * total number of object processed                          *
    709  | *                                                           *
    710  | ************************************************************/
    711  |
    712  | int UD_process_stream(UD_stream_t *ud_stream)
    713  | {
    714  |   char line_buff[STR_XXL];
    715  |   GString *g_line_buff; // needed to escape apostrophes
    716  |   GSList *class_attr_list = NULL;
    717  |   Attribute_t *class_attr;
    718  |   Attribute_t *attr;
    719  |   nic_handle_t *nh_ptr = NULL; /* To save  NIC handle structure */
    720  |   Object_t *obj = NULL;
    721  |   SQ_connection_t *sql_connection;
    722  |   int start_object;
    723  |   int a_type;
    724  |   char *a_value;
    725  |   char *ptr;
    726  |   /* here we will store the parsed nic-hdl in required format */
    727  |   char nic[MAX_NH_LENGTH];
    728  |   struct _nrtm *nrtm;
    729  |   Log_t *log_ptr= &(ud_stream->log);
    730  |   time_t stime, ftime;
    731  |   double obj_second1, obj_second10;
    732  |   int result;
    733  |   int operation=0;
    734  |   int interrupt=0;
    735  |   int do_update;
    736  |   int default_ud_mode = ud_stream->ud_mode;
    737  |   Line_Type_t linetype;
    738  |
    739  |   Obj_parse_t obj_parse; /* the structure used to parse a text object */
    740  |   ud_parse_init(&obj_parse);
    741  |
    742  |   nrtm=ud_stream->nrtm;
    743  |   start_object = 1;
    744  |   a_type=-1;
    745  |
    746  |
    747  |   /* Allocate line bufer */
    748  |   if ((g_line_buff = g_string_sized_new(STR_XXL)) == NULL){
    749  |     fprintf(stderr, "E: cannot allocate gstring\n");
    750  |     die;
    751  |   }
    752  |
    753  |   /* Check connection to the database */
    754  |   if(mysql_ping(ud_stream->db_connection)) {
    755  |    fprintf(stderr, "D: ERROR: no SQL connection\n");
    756  |    g_string_free(g_line_buff, TRUE);
    757  |    return(-1);
    758  |   }
    759  |
    760  |   fprintf(stderr, "OK\n");
    761  |   sql_connection=ud_stream->db_connection;
    762  |
    763  | /* This is useful for loading DB from huge disk file. */
    764  | /* We may start from <num_skip>th object */
    765  | /*  num_skip=ud_stream->num_skip; */
    766  | /*  if(num_skip>0) fprintf(stderr, "skipping %lu records\n", num_skip); */
    767  |
    768  |   /* Start timer for statistics */
    769  |   stime=time(NULL);
    770  |
    771  |  /* Main loop. Reading input stream line by line */
    772  |  /* Empty line signals to start processing an object, if we have it */
    773  |   while (fgets(line_buff, STR_XXL, ud_stream->stream) != NULL) {
    774  |
    775  |     switch (linetype=line_type(line_buff)) {
    776  |       case LINE_PLUS:
    777  |       case LINE_ATTRIBUTE:
    778  |
    779  |        obj = UD_parse_object(ud_stream->db_connection, &obj_parse, line_buff);
    780  |
    781  |       break;
    782  |
    783  |       case LINE_COMMENT:
    784  |       break;
    785  |
    786  |       case LINE_EOF:
    787  |       break;
    788  |
    789  |       case LINE_ADD:
    790  |       /* restore the default operation mode */
    791  |        operation=OP_ADD;
    792  |        ud_stream->ud_mode=default_ud_mode;
    793  |       break;
    794  |
    795  |       case LINE_OVERRIDE_ADD:
    796  |       /* for override - switch the dummy bit on */
    797  |        operation=OP_ADD;
    798  |        ud_stream->ud_mode=default_ud_mode|B_DUMMY;
    799  |       break;
    800  |
    801  |       case LINE_UPD:
    802  |       /* restore the default operation mode */
    803  |        operation=OP_UPD;
    804  |        ud_stream->ud_mode=default_ud_mode;
    805  |       break;
    806  |
    807  |       case LINE_OVERRIDE_UPD:
    808  |       /* for override - switch the dummy bit on */
    809  |        operation=OP_UPD;
    810  |        ud_stream->ud_mode=default_ud_mode|B_DUMMY;
    811  |       break;
    812  |
    813  |       case LINE_DEL:
    814  |       /* restore the default operation mode */
    815  |        operation=OP_DEL;
    816  |        ud_stream->ud_mode=default_ud_mode;
    817  |       break;
    818  |
    819  |       case LINE_OVERRIDE_DEL:
    820  |       /* for override - switch the dummy bit on */
    821  |        operation=OP_DEL;
    822  |        ud_stream->ud_mode=default_ud_mode|B_DUMMY;
    823  |       break;
    824  |
    825  |       case LINE_EMPTY:
    826  |        /* start processing the object */
    827  |         if ((obj=obj_parse.obj)) { /* if not just garbage*/
    828  | 	 /* reorder some attributes */
    829  |          obj->attributes = g_slist_sort(obj->attributes, reorder_attributes);
    830  | 	 /* prepend the class attribute */
    831  | 	 obj->attributes = g_slist_concat(obj_parse.class_attr_list, obj->attributes);
    832  | 	 /* XXX */
    833  | 	 /* print_object(obj); */
    834  |
    835  |          /* start new transaction now */
    836  |          result=process_transaction(ud_stream, obj, obj_parse.object_name, obj_parse.nh_ptr, operation);
    837  |
    838  |          /* process_transaction() frees tr and obj structures, */
    839  |          /* so make sure we'll not reference these objects in the future */
    840  |          operation=OP_NOOP;
    841  |          ud_stream->ud_mode=default_ud_mode;
    842  | 	 ud_parse_free(&obj_parse);
    843  |
    844  |          /* this is a good place for quick interrupt */
    845  |          do_update=CO_get_do_update();
    846  |          if (do_update) interrupt=0; else interrupt=1;
    847  |          /* we still need to exit in update server mode (only 1 object at a time */
    848  |          if (IS_UPDATE(ud_stream->ud_mode) && (!IS_STANDALONE(ud_stream->ud_mode))) interrupt=1;
    849  | 	} /* if this is a real object */
    850  | 	/* initialize the parsing structure */
    851  | 	ud_parse_init(&obj_parse);
    852  |
    853  |       break;
    854  |
    855  |       default:
    856  |         fprintf(stderr, "ERROR: Bad line type\n");
    857  |     } /* switch */
    858  |
    859  |     /* Finish processing if interrupt has been set */
    860  |     if (interrupt) break;
    861  |   } /* while */
    862  |
    863  |  /* Some postprocessing */
    864  |   if(!IS_UPDATE(ud_stream->ud_mode)){
    865  |   /* We are in NRTM mode */
    866  |   /* Clean up */
    867  |    fclose(ud_stream->stream);
    868  |   /* In NRTM mode there may be a saved object that is unprocessed */
    869  |    if(nrtm->tr){ /*saved backlog?*/
    870  |     object_process(nrtm->tr); /* delete the previous(saved) object*/
    871  |     result=report_transaction(nrtm->tr, &(ud_stream->log), nrtm->object_name,
    872  |                               "NRTM:DEL:While deleting previous(saved) object");
    873  |     /* create DEL serial record no matter what the result is */
    874  |     create_serial(nrtm->tr);
    875  |     object_free(nrtm->tr->object);
    876  |     transaction_free(nrtm->tr); nrtm->tr=NULL;
    877  |    }
    878  |   }
    879  |
    880  |  /* That's all. Free GString */
    881  |   g_string_free(g_line_buff, TRUE);
    882  |
    883  |  /* Calculate some statistics */
    884  |   ftime=time(NULL);
    885  |   obj_second1 = (float)(log_ptr->num_ok)/(ftime-stime);
    886  |   obj_second10 = (float)(log_ptr->num_ok+log_ptr->num_failed)/(ftime-stime);
    887  |
    888  |   /* Print the report */
    889  |   if(IS_STANDALONE(ud_stream->ud_mode) || (!IS_UPDATE(ud_stream->ud_mode))) {
    890  | /*   printf("\n\n******** report **********\n%d objects OK\n%d objects failed\n",
    891  |             log_ptr->num_ok, log_ptr->num_failed); */
    892  |    fprintf(log_ptr->logfile,"\n******** report **********\n");
    893  |    fprintf(log_ptr->logfile," %d objects OK (%5.2f obj/s)\n", log_ptr->num_ok, obj_second1);
    894  |    fprintf(log_ptr->logfile," %d objects failed\n", log_ptr->num_failed);
    895  |    fprintf(log_ptr->logfile," average processing time %5.2f obj/s (%5.2f obj/min)\n",
    896  |                           obj_second10, obj_second10*60);
    897  |    result=log_ptr->num_ok+log_ptr->num_failed;
    898  |   }
    899  |   return(result);
    900  |
    901  | } /* UD_process_stream */
    902  |