test/test_gen_rt.c

   1 // : vi ts=4 sw=4 noet :
   2 /*
   3 ==================================================================================
   4             Copyright (c) 2019 Nokia
   5             Copyright (c) 2018-2019 AT&T Intellectual Property.
   6
   7    Licensed under the Apache License, Version 2.0 (the "License");
   8    you may not use this file except in compliance with the License.
   9    You may obtain a copy of the License at
  10
  11            http://www.apache.org/licenses/LICENSE-2.0
  12
  13    Unless required by applicable law or agreed to in writing, software
  14    distributed under the License is distributed on an "AS IS" BASIS,
  15    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16    See the License for the specific language governing permissions and
  17    limitations under the License.
  18 ==================================================================================
  19 */
  20
  21 /*
  22         Mnemonic:       test_gen_rt.c
  23         Abstract:       This provides the means to generate a route table to disk.
  24         Author:         E. Scott Daniels
  25         Date:           6 January 2019
  26 */
  27
  28 #ifndef _test_gen_rt_c
  29 #define _test_gen_rt_c
  30
  31
  32 /*
  33         Generate a simple route table (for all but direct route table testing).
  34         This gets tricky inasmuch as we generate two in one; first a whole table
  35         and then two update tables. The first is a table with a bad counter in the
  36         last record to test that we don't load that table and error. The second
  37         is a good update. The same applies to the meid map; first has a bad counter
  38         and some bad records to drive coverage testing. The end should leave a good
  39         meid map in the table.
  40
  41         Once the file is generated, it is forced in via static read and the file
  42         is unlinked.
  43 */
  44 static void gen_rt( uta_ctx_t* ctx ) {
  45         int             fd;
  46         char*   rt_stuff;               // strings for the route table
  47
  48 ctx->flags |= 0x08;
  49         fd = open( "utesting.rt", O_WRONLY | O_CREAT, 0600 );
  50         if( fd < 0 ) {
  51                 fprintf( stderr, "<BUGGERED> unable to open file for testing route table gen\n" );
  52                 return;
  53         }
  54
  55         rt_stuff =
  56                 "newrt|end\n"                                                           // end of table check before start of table found
  57                 "# comment to drive full comment test\n"
  58                 "\n"                                                                            // handle blank lines
  59                 "   \n"                                                                         // handle blank lines
  60             "mse|4|10|localhost:4561\n"                                 // entry before start message
  61             "rte|4|localhost:4561\n"                                    // entry before start message
  62                 "newrt|start\n"                                                         // false start to drive detection
  63                 "xxx|badentry to drive default case"
  64                 "newrt|start\n"
  65             "rte|0|localhost:4560,localhost:4562\n"                                     // these are legitimate entries for our testing
  66             "rte|1|localhost:4562;localhost:4561,localhost:4569\n"
  67             "rte|2|localhost:4562| 10\n"                                                                // new subid at end
  68             "mse|4|10|localhost:4561\n"                                                                 // new msg/subid specifier rec
  69             "mse|4|localhost:4561\n"                                                                    // new mse entry with less than needed fields
  70                 "   rte|   5   |localhost:4563    #garbage comment\n"           // tests white space cleanup
  71             "rte|6|localhost:4562\n"
  72                 "newrt|end\n";
  73
  74         setenv( "RMR_SEED_RT", "utesting.rt", 1 );
  75         write( fd, rt_stuff, strlen( rt_stuff ) );                              // write in the whole table
  76
  77         rt_stuff =                                                                                              // add an meid map which will fail
  78                 "meid_map | start\n"
  79                 "mme_ar | e2t-1 | one two three four\r"                         // also test bloody apple way with \r
  80                 "mme_del | one two\n"
  81                 "mme_del \n"                                                                            // short entries drive various checks for coverage
  82                 "mme_ar \n"
  83                 "mme_ar | e2t-0 \n"
  84                 "meid_map | end | 5\n";                                                         // this will fail as the short recs don't "count"
  85         write( fd, rt_stuff, strlen( rt_stuff ) );
  86
  87         rt_stuff =
  88                 "updatert|start\n"                                                                      // this is an update to the table
  89             "mse|4|99|fooapp:9999,barapp:9999;logger:9999\n"    // update just one entry
  90                 "updatert|end | 3\n";                                                           // bad count; this update should be rejected
  91         write( fd, rt_stuff, strlen( rt_stuff ) );
  92
  93
  94         rt_stuff =
  95                 "updatert|start\n"                                                                      // this is an update to the table
  96             "mse|4|10|fooapp:4561,barapp:4561;logger:9999\n"    // update just one entry
  97                 "mse | 99 | -1 | %meid\n"                                                       // type 99 will route based on meid and not mtype
  98                 "del|2|-1\n"                                                                            // delete an entry; not there so no action
  99                 "del|2|10\n"                                                                            // delete an entry
 100                 "updatert|end | 4\n";                                                           // end table; updates have a count as last field
 101         write( fd, rt_stuff, strlen( rt_stuff ) );
 102
 103         rt_stuff =                                                                                              // this leaves an meid map in place too
 104                 "meid_map | start\n"
 105                 "mme_ar | localhost:4567 | meid1 meid2 meid3 meid4\n"
 106                 "mme_ar | localhost:4067 | meid11 meid12\n"
 107                 "meid_map | end | 2\n";
 108         write( fd, rt_stuff, strlen( rt_stuff ) );
 109
 110         rt_stuff =                                                                                                      // verify that we can del entries in the current table
 111                 "meid_map | start\n"
 112                 "mme_del | meid11 meid12 meid13\n"              // includes a non-existant meid
 113                 "meid_map | end | 1\n";
 114         write( fd, rt_stuff, strlen( rt_stuff ) );
 115
 116         close( fd );
 117         read_static_rt( ctx, 1 );                                                               // force in verbose mode to see stats on tty if failure
 118         unlink( "utesting.rt" );
 119 }
 120
 121
 122
 123 /*
 124         Generate a custom route table file using the buffer passed in.
 125         Then force it to be read into the current route table. The file
 126         is unlinked when finished.
 127 */
 128 static void gen_custom_rt( uta_ctx_t* ctx, char* buf ) {
 129         int             fd;
 130
 131         fd = open( "Xutesting.rt", O_WRONLY | O_CREAT, 0600 );
 132         if( fd < 0 ) {
 133                 fprintf( stderr, "<BUGGERED> unable to open file for testing route table gen\n" );
 134                 return;
 135         }
 136         setenv( "RMR_SEED_RT", "Xutesting.rt", 1 );
 137
 138         fprintf( stderr, "<INFO> creating custom rt from buffer (%d bytes)\n", (int) strlen (buf ) );
 139         if( write( fd, buf, strlen( buf ) ) != strlen( buf ) ) {
 140                 fprintf( stderr, "<BUGGERED> write failed: %s\n", strerror( errno ) );
 141         }
 142
 143         close( fd );
 144         read_static_rt( ctx, 1 );                                                               // force in verbose mode to see stats on tty if failure
 145         unlink( "utesting.rt" );
 146 }
 147
 148
 149 #endif