OpenSRF/src/srfsh/srfsh.c

   1 #include "srfsh.h"
   2
   3 int is_from_script = 0;
   4 FILE* shell_writer = NULL;
   5 FILE* shell_reader = NULL;
   6
   7 int main( int argc, char* argv[] ) {
   8
   9
  10
  11         /* --------------------------------------------- */
  12         /* see if they have a .srfsh.xml in their home directory */
  13         char* home = getenv("HOME");
  14         int l = strlen(home) + 36;
  15         char fbuf[l];
  16         memset(fbuf, 0, l);
  17         sprintf(fbuf,"%s/.srfsh.xml",home);
  18
  19         if(!access(fbuf, R_OK)) {
  20                 if( ! osrf_system_bootstrap_client(fbuf) )
  21                         fatal_handler( "Unable to bootstrap client for requests");
  22
  23         } else {
  24                 fatal_handler( "No Config file found at %s", fbuf );
  25         }
  26
  27         if(argc > 1) {
  28                 /* for now.. the first arg is used as a script file for processing */
  29                 int f;
  30                 if( (f = open(argv[1], O_RDONLY)) == -1 )
  31                         fatal_handler("Unable to open file %s for reading, exiting...", argv[1]);
  32
  33                 if(dup2(f, STDIN_FILENO) == -1)
  34                         fatal_handler("Unable to duplicate STDIN, exiting...");
  35
  36                 close(f);
  37                 is_from_script = 1;
  38         }
  39
  40         /* --------------------------------------------- */
  41         load_history();
  42
  43
  44         client = osrf_system_get_transport_client();
  45
  46         /* open the shell handle */
  47         shell_writer = popen( "bash", "w");
  48         //shell_reader = popen( "bash", "r");
  49
  50         /* main process loop */
  51         char* request;
  52         while((request=readline(prompt))) {
  53
  54                 if( !strcmp(request, "exit") || !strcmp(request,"quit"))
  55                         break;
  56
  57                 char* req_copy = strdup(request);
  58
  59                 parse_request( req_copy );
  60                 if( request && strlen(request) > 1 ) {
  61                         add_history(request);
  62                 }
  63
  64                 free(request);
  65                 free(req_copy);
  66
  67                 fflush(shell_writer);
  68                 fflush(stderr);
  69                 fflush(stdout);
  70         }
  71
  72         if(history_file != NULL )
  73                 write_history(history_file);
  74         free(request);
  75         client_disconnect( client );
  76         client_free( client );
  77         config_reader_free();
  78         log_free();
  79
  80         return 0;
  81 }
  82
  83 void sig_child_handler( int s ) {
  84         child_dead = 1;
  85 }
  86
  87 /*
  88 void sig_int_handler( int s ) {
  89         printf("\n");
  90         caught_sigint = 1;
  91         signal(SIGINT,sig_int_handler);
  92 }
  93 */
  94
  95 int load_history() {
  96
  97         char* home = getenv("HOME");
  98         int l = strlen(home) + 24;
  99         char fbuf[l];
 100
 101         memset(fbuf, 0, l);
 102         sprintf(fbuf,"%s/.srfsh_history",home);
 103         history_file = strdup(fbuf);
 104
 105         if(!access(history_file, W_OK | R_OK )) {
 106                 history_length = 999;
 107                 read_history(history_file);
 108         }
 109         return 1;
 110 }
 111
 112
 113 int parse_error( char* words[] ) {
 114
 115         if( ! words )
 116                 return 0;
 117
 118
 119         int i = 0;
 120         char* current;
 121         char buffer[256];
 122         memset(buffer, 0, 256);
 123         while( (current=words[i++]) ) {
 124                 strcat(buffer, current);
 125                 strcat(buffer, " ");
 126         }
 127         if( ! buffer || strlen(buffer) < 1 )
 128                 printf("\n");
 129
 130         fprintf( stderr, "???: %s\n", buffer );
 131         return 0;
 132
 133 }
 134
 135
 136 int parse_request( char* request ) {
 137
 138         if( request == NULL )
 139                 return 0;
 140
 141         int ret_val = 0;
 142         int i = 0;
 143         char* words[COMMAND_BUFSIZE];
 144         memset(words,0,COMMAND_BUFSIZE);
 145         char* req = request;
 146
 147         char* cur_tok = strtok( req, " " );
 148
 149         if( cur_tok == NULL )
 150                 return 0;
 151
 152         while(cur_tok != NULL) {
 153                 words[i++] = cur_tok;
 154                 cur_tok = strtok( NULL, " " );
 155         }
 156
 157
 158         // not sure why (strtok?), but this is necessary
 159         memset( words + i, 0, COMMAND_BUFSIZE - i );
 160
 161         /* pass off to the top level command */
 162         if( !strcmp(words[0],"router") )
 163                 ret_val = handle_router( words );
 164
 165         else if( !strcmp(words[0],"time") )
 166                 ret_val = handle_time( words );
 167
 168         else if (!strcmp(words[0],"request"))
 169                 ret_val = handle_request( words, 0 );
 170
 171         else if (!strcmp(words[0],"relay"))
 172                 ret_val = handle_request( words, 1 );
 173
 174         else if (!strcmp(words[0],"help"))
 175                 ret_val = print_help();
 176
 177         else if (!strcmp(words[0],"set"))
 178                 ret_val = handle_set(words);
 179
 180         else if (!strcmp(words[0],"print"))
 181                 ret_val = handle_print(words);
 182
 183         else if (!strcmp(words[0],"math_bench"))
 184                 ret_val = handle_math(words);
 185
 186         else if (!strcmp(words[0],"introspect"))
 187                 ret_val = handle_introspect(words);
 188
 189         else if (!strcmp(words[0],"login"))
 190                 ret_val = handle_login(words);
 191
 192         else if (words[0][0] == '!')
 193                 ret_val = handle_exec( words, 1 );
 194
 195         if(!ret_val) {
 196                 #ifdef EXEC_DEFAULT
 197                         return handle_exec( words, 0 );
 198                 #else
 199                         return parse_error( words );
 200                 #endif
 201         }
 202
 203         return 1;
 204
 205 }
 206
 207
 208 int handle_introspect(char* words[]) {
 209
 210         if(words[1] && words[2]) {
 211                 fprintf(stderr, "--> %s\n", words[1]);
 212                 char buf[256];
 213                 memset(buf,0,256);
 214                 sprintf( buf, "request %s opensrf.system.method %s", words[1], words[2] );
 215                 return parse_request( buf );
 216
 217         } else {
 218
 219                 if(words[1]) {
 220                         fprintf(stderr, "--> %s\n", words[1]);
 221                         char buf[256];
 222                         memset(buf,0,256);
 223                         sprintf( buf, "request %s opensrf.system.method.all", words[1] );
 224                         return parse_request( buf );
 225                 }
 226         }
 227
 228         return 0;
 229 }
 230
 231
 232 int handle_login( char* words[]) {
 233
 234         if( words[1] && words[2]) {
 235
 236                 char* username = words[1];
 237                 char* password = words[2];
 238
 239                 char buf[256];
 240                 memset(buf,0,256);
 241
 242                 char buf2[256];
 243                 memset(buf2,0,256);
 244
 245                 sprintf( buf,
 246                                 "request open-ils.auth open-ils.auth.authenticate.init \"%s\"", username );
 247                 parse_request(buf);
 248
 249                 char* hash;
 250                 if(last_result && last_result->_result_content) {
 251                         object* r = last_result->_result_content;
 252                         hash = r->string_data;
 253                 } else return 0;
 254
 255
 256                 char* pass_buf = md5sum(password);
 257
 258                 char both_buf[256];
 259                 memset(both_buf,0,256);
 260                 sprintf(both_buf,"%s%s",hash, pass_buf);
 261
 262                 char* mess_buf = md5sum(both_buf);
 263
 264                 sprintf( buf2,
 265                                 "request open-ils.auth open-ils.auth.authenticate.complete \"%s\", \"%s\", \"opac\"",
 266                                 username, mess_buf );
 267
 268                 free(pass_buf);
 269                 free(mess_buf);
 270
 271                 parse_request( buf2 );
 272
 273                 login_session = strdup(last_result->_result_content->string_data);
 274
 275                 printf("Login Session: %s\n", login_session );
 276
 277                 return 1;
 278
 279         }
 280
 281         return 0;
 282 }
 283
 284 char* md5sum( char* text ) {
 285
 286         struct md5_ctx ctx;
 287         unsigned char digest[16];
 288
 289         MD5_start (&ctx);
 290
 291         int i;
 292         for ( i=0 ; i != strlen(text) ; i++ )
 293                 MD5_feed (&ctx, text[i]);
 294
 295         MD5_stop (&ctx, digest);
 296
 297         char buf[16];
 298         memset(buf,0,16);
 299
 300         char final[256];
 301         memset(final,0,256);
 302
 303         for ( i=0 ; i<16 ; i++ ) {
 304                 sprintf(buf, "%02x", digest[i]);
 305                 strcat( final, buf );
 306         }
 307
 308         return strdup(final);
 309
 310 }
 311
 312
 313 int handle_set( char* words[]) {
 314
 315         char* variable;
 316         if( (variable=words[1]) ) {
 317
 318                 char* val;
 319                 if( (val=words[2]) ) {
 320
 321                         if(!strcmp(variable,"pretty_print")) {
 322                                 if(!strcmp(val,"true")) {
 323                                         pretty_print = 1;
 324                                         printf("pretty_print = true\n");
 325                                         return 1;
 326                                 }
 327                                 if(!strcmp(val,"false")) {
 328                                         pretty_print = 0;
 329                                         printf("pretty_print = false\n");
 330                                         return 1;
 331                                 }
 332                         }
 333
 334                         if(!strcmp(variable,"raw_print")) {
 335                                 if(!strcmp(val,"true")) {
 336                                         raw_print = 1;
 337                                         printf("raw_print = true\n");
 338                                         return 1;
 339                                 }
 340                                 if(!strcmp(val,"false")) {
 341                                         raw_print = 0;
 342                                         printf("raw_print = false\n");
 343                                         return 1;
 344                                 }
 345                         }
 346
 347                 }
 348         }
 349
 350         return 0;
 351 }
 352
 353
 354 int handle_print( char* words[]) {
 355
 356         char* variable;
 357         if( (variable=words[1]) ) {
 358                 if(!strcmp(variable,"pretty_print")) {
 359                         if(pretty_print) {
 360                                 printf("pretty_print = true\n");
 361                                 return 1;
 362                         } else {
 363                                 printf("pretty_print = false\n");
 364                                 return 1;
 365                         }
 366                 }
 367
 368                 if(!strcmp(variable,"login")) {
 369                         printf("login session = %s\n", login_session );
 370                         return 1;
 371                 }
 372
 373         }
 374         return 0;
 375 }
 376
 377 int handle_router( char* words[] ) {
 378
 379         if(!client)
 380                 return 1;
 381
 382         int i;
 383
 384         if( words[1] ) {
 385                 if( !strcmp(words[1],"query") ) {
 386
 387                         if( words[2] && !strcmp(words[2],"servers") ) {
 388                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
 389                                         router_query_servers( words[i] );
 390                                 }
 391                                 return 1;
 392                         }
 393                         return 0;
 394                 }
 395                 return 0;
 396         }
 397         return 0;
 398 }
 399
 400
 401 /* if new shell, spawn a new child and subshell to do the work,
 402         otherwise pipe the request to the currently open (piped) shell */
 403 int handle_exec(char* words[], int new_shell) {
 404
 405         if(!words[0]) return 0;
 406
 407         if( words[0] && words[0][0] == '!') {
 408                 int len = strlen(words[0]);
 409                 char command[len];
 410                 memset(command,0,len);
 411
 412                 int i; /* chop out the ! */
 413                 for( i=1; i!= len; i++) {
 414                         command[i-1] = words[0][i];
 415                 }
 416
 417                 free(words[0]);
 418                 words[0] = strdup(command);
 419         }
 420
 421         if(new_shell) {
 422                 signal(SIGCHLD, sig_child_handler);
 423
 424                 if(fork()) {
 425
 426                         waitpid(-1, 0, 0);
 427                         if(child_dead) {
 428                                 signal(SIGCHLD,sig_child_handler);
 429                                 child_dead = 0;
 430                         }
 431
 432                 } else {
 433                         execvp( words[0], words );
 434                         exit(0);
 435                 }
 436
 437         } else {
 438
 439
 440                 growing_buffer* b = buffer_init(64);
 441                 int i = 0;
 442                 while(words[i])
 443                         buffer_fadd( b, "%s ", words[i++] );
 444
 445                 buffer_add( b, "\n");
 446
 447                 //int reader;
 448                 //int reader = dup2(STDOUT_FILENO, reader);
 449                 //int reader = dup(STDOUT_FILENO);
 450                 //close(STDOUT_FILENO);
 451
 452                 fprintf( shell_writer, b->buf );
 453                 buffer_free(b);
 454
 455                 fflush(shell_writer);
 456                 usleep(1000);
 457
 458                 /*
 459                 char c[4096];
 460                 bzero(c, 4096);
 461                 read( reader, c, 4095 );
 462                 fprintf(stderr, "read %s", c);
 463                 dup2(reader, STDOUT_FILENO);
 464                 */
 465
 466         }
 467
 468
 469         return 1;
 470 }
 471
 472
 473 int handle_request( char* words[], int relay ) {
 474
 475         if(!client)
 476                 return 1;
 477
 478         if(words[1]) {
 479                 char* server = words[1];
 480                 char* method = words[2];
 481                 int i;
 482                 growing_buffer* buffer = NULL;
 483                 if(!relay) {
 484                         buffer = buffer_init(128);
 485                         buffer_add(buffer, "[");
 486                         for(i = 3; words[i] != NULL; i++ ) {
 487                                 /* removes trailing semicolon if user accidentally enters it */
 488                                 if( words[i][strlen(words[i])-1] == ';' )
 489                                         words[i][strlen(words[i])-1] = '\0';
 490                                 buffer_add( buffer, words[i] );
 491                                 buffer_add(buffer, " ");
 492                         }
 493                         buffer_add(buffer, "]");
 494                 }
 495
 496                 return send_request( server, method, buffer, relay );
 497         }
 498
 499         return 0;
 500 }
 501
 502 int send_request( char* server,
 503                 char* method, growing_buffer* buffer, int relay ) {
 504         if( server == NULL || method == NULL )
 505                 return 0;
 506
 507         object* params = NULL;
 508         if( !relay ) {
 509                 if( buffer != NULL && buffer->n_used > 0 )
 510                         params = json_parse_string(buffer->buf);
 511         } else {
 512                 if(!last_result || ! last_result->_result_content) {
 513                         printf("We're not going to call 'relay' with no result params\n");
 514                         return 1;
 515                 }
 516                 else {
 517                         object* o = new_object(NULL);
 518                         o->push(o, last_result->_result_content );
 519                         params = o;
 520                 }
 521         }
 522
 523
 524         if(buffer->n_used > 0 && params == NULL) {
 525                 fprintf(stderr, "JSON error detected, not executing\n");
 526                 return 1;
 527         }
 528
 529         osrf_app_session* session = osrf_app_client_session_init(server);
 530
 531         if(!osrf_app_session_connect(session)) {
 532                 warning_handler( "Unable to connect to remote service %s\n", server );
 533                 return 1;
 534         }
 535
 536         double start = get_timestamp_millis();
 537         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
 538         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
 539
 540
 541         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 60 );
 542
 543         if(!omsg)
 544                 printf("\nReceived no data from server\n");
 545
 546
 547         signal(SIGPIPE, SIG_IGN);
 548
 549         FILE* less;
 550         if(!is_from_script) less = popen( "less -EX", "w");
 551         else less = stdout;
 552
 553         if( less == NULL ) { less = stdout; }
 554
 555         growing_buffer* resp_buffer = buffer_init(4096);
 556
 557         while(omsg) {
 558
 559                 if(raw_print) {
 560
 561                         if(omsg->_result_content) {
 562
 563                                 osrf_message_free(last_result);
 564                                 last_result = omsg;
 565
 566                                 char* content;
 567
 568                                 if( pretty_print && omsg->_result_content ) {
 569                                         char* j = object_to_json(omsg->_result_content);
 570                                         content = json_printer(j);
 571                                         free(j);
 572                                 } else
 573                                         content = object_get_string(omsg->_result_content);
 574
 575                                 printf( "\nReceived Data: %s\n", content );
 576                                 free(content);
 577
 578                         } else {
 579
 580                                 char code[16];
 581                                 memset(code, 0, 16);
 582                                 sprintf( code, "%d", omsg->status_code );
 583                                 buffer_add( resp_buffer, code );
 584
 585                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 586                                                 omsg->status_name, omsg->status_text, code );
 587
 588                                 fflush(stdout);
 589                         }
 590
 591                 } else {
 592
 593                         if(omsg->_result_content) {
 594
 595                                 osrf_message_free(last_result);
 596                                 last_result = omsg;
 597
 598                                 char* content;
 599
 600                                 if( pretty_print && omsg->_result_content ) {
 601                                         char* j = object_to_json(omsg->_result_content);
 602                                         content = json_printer(j);
 603                                         free(j);
 604                                 } else
 605                                         content = object_get_string(omsg->_result_content);
 606
 607                                 debug_handler("srfsh2");
 608
 609                                 buffer_add( resp_buffer, "\nReceived Data: " );
 610                                 buffer_add( resp_buffer, content );
 611                                 buffer_add( resp_buffer, "\n" );
 612                                 free(content);
 613
 614                         } else {
 615
 616                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 617                                 buffer_add( resp_buffer, omsg->status_name );
 618                                 buffer_add( resp_buffer, "\nStatus: " );
 619                                 buffer_add( resp_buffer, omsg->status_text );
 620                                 buffer_add( resp_buffer, "\nStatus: " );
 621                                 char code[16];
 622                                 memset(code, 0, 16);
 623                                 sprintf( code, "%d", omsg->status_code );
 624                                 buffer_add( resp_buffer, code );
 625                         }
 626                 }
 627
 628
 629                 omsg = osrf_app_session_request_recv( session, req_id, 5 );
 630
 631         }
 632
 633         double end = get_timestamp_millis();
 634
 635         fprintf( less, resp_buffer->buf );
 636         buffer_free( resp_buffer );
 637         fprintf( less, "\n------------------------------------\n");
 638         if( osrf_app_session_request_complete( session, req_id ))
 639                 fprintf(less, "Request Completed Successfully\n");
 640
 641
 642         fprintf(less, "Request Time in seconds: %.3f\n", end - start );
 643         fprintf(less, "------------------------------------\n");
 644
 645         pclose(less);
 646
 647         osrf_app_session_request_finish( session, req_id );
 648         osrf_app_session_disconnect( session );
 649         osrf_app_session_destroy( session );
 650
 651
 652         return 1;
 653
 654
 655 }
 656
 657 int handle_time( char* words[] ) {
 658
 659         if( ! words[1] ) {
 660
 661                 char buf[36];
 662                 memset(buf,0,36);
 663                 get_timestamp(buf);
 664                 printf( "%s\n", buf );
 665                 return 1;
 666         }
 667
 668         if( words[1] ) {
 669                 time_t epoch = (time_t)atoi( words[1] );
 670                 char* localtime = strdup( ctime( &epoch ) );
 671                 printf( "%s => %s", words[1], localtime );
 672                 free(localtime);
 673                 return 1;
 674         }
 675
 676         return 0;
 677
 678 }
 679
 680
 681
 682 int router_query_servers( char* router_server ) {
 683
 684         if( ! router_server || strlen(router_server) == 0 )
 685                 return 0;
 686
 687         char rbuf[256];
 688         memset(rbuf,0,256);
 689         sprintf(rbuf,"router@%s/router", router_server );
 690
 691         transport_message* send =
 692                 message_init( "servers", NULL, NULL, rbuf, NULL );
 693         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 694
 695         client_send_message( client, send );
 696         message_free( send );
 697
 698         transport_message* recv = client_recv( client, -1 );
 699         if( recv == NULL ) {
 700                 fprintf(stderr, "NULL message received from router\n");
 701                 return 1;
 702         }
 703
 704         printf(
 705                         "---------------------------------------------------------------------------------\n"
 706                         "Received from 'server' query on %s\n"
 707                         "---------------------------------------------------------------------------------\n"
 708                         "original reg time | latest reg time | last used time | class | server\n"
 709                         "---------------------------------------------------------------------------------\n"
 710                         "%s"
 711                         "---------------------------------------------------------------------------------\n"
 712                         , router_server, recv->body );
 713
 714         message_free( recv );
 715
 716         return 1;
 717 }
 718
 719 int print_help() {
 720
 721         printf(
 722                         "---------------------------------------------------------------------------------\n"
 723                         "Commands:\n"
 724                         "---------------------------------------------------------------------------------\n"
 725                         "help                   - Display this message\n"
 726                         "!<command> [args] - Forks and runs the given command in the shell\n"
 727                         "time                   - Prints the current time\n"
 728                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 729                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 730                         "print <variable>               - Displays the value of a srfsh variable\n"
 731                         "---------------------------------------------------------------------------------\n"
 732
 733                         "router query servers <server1 [, server2, ...]>\n"
 734                         "       - Returns stats on connected services\n"
 735                         "\n"
 736                         "\n"
 737                         "request <service> <method> [ <json formatted string of params> ]\n"
 738                         "       - Anything passed in will be wrapped in a json array,\n"
 739                         "               so add commas if there is more than one param\n"
 740                         "\n"
 741                         "\n"
 742                         "relay <service> <method>\n"
 743                         "       - Performs the requested query using the last received result as the param\n"
 744                         "\n"
 745                         "\n"
 746                         "math_bench <num_batches> [0|1|2]\n"
 747                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 748                         "                2 means reconnect after every request\n"
 749                         "\n"
 750                         "introspect <service>\n"
 751                         "       - prints the API for the service\n"
 752                         "\n"
 753                         "\n"
 754                         "---------------------------------------------------------------------------------\n"
 755                         " Commands for Open-ILS\n"
 756                         "---------------------------------------------------------------------------------\n"
 757                         "login <username> <password>\n"
 758                         "       -       Logs into the 'server' and displays the session id\n"
 759                         "       - To view the session id later, enter: print login\n"
 760                         "---------------------------------------------------------------------------------\n"
 761                         "\n"
 762                         "\n"
 763                         "Note: long output is piped through 'less'.  To search in 'less', type: /<search>\n"
 764                         "---------------------------------------------------------------------------------\n"
 765                         "\n"
 766                         );
 767
 768         return 1;
 769 }
 770
 771
 772
 773 char* tabs(int count) {
 774         growing_buffer* buf = buffer_init(24);
 775         int i;
 776         for(i=0;i!=count;i++)
 777                 buffer_add(buf, "   ");
 778
 779         char* final = buffer_data( buf );
 780         buffer_free( buf );
 781         return final;
 782 }
 783
 784 char* json_printer( char* string ) {
 785
 786         growing_buffer* buf = buffer_init(64);
 787         int i;
 788         int tab_var = 0;
 789         for(i=0; i!= strlen(string); i++) {
 790
 791                 if( string[i] == '{' ) {
 792
 793                         buffer_add(buf, "\n");
 794                         char* tab = tabs(tab_var);
 795                         buffer_add(buf, tab);
 796                         free(tab);
 797                         buffer_add( buf, "{");
 798                         tab_var++;
 799                         buffer_add( buf, "\n" );
 800                         tab = tabs(tab_var);
 801                         buffer_add( buf, tab );
 802                         free(tab);
 803
 804                 } else if( string[i] == '[' ) {
 805
 806                         buffer_add(buf, "\n");
 807                         char* tab = tabs(tab_var);
 808                         buffer_add(buf, tab);
 809                         free(tab);
 810                         buffer_add( buf, "[");
 811                         tab_var++;
 812                         buffer_add( buf, "\n" );
 813                         tab = tabs(tab_var);
 814                         buffer_add( buf, tab );
 815                         free(tab);
 816
 817                 } else if( string[i] == '}' ) {
 818
 819                         tab_var--;
 820                         buffer_add(buf, "\n");
 821                         char* tab = tabs(tab_var);
 822                         buffer_add(buf, tab);
 823                         free(tab);
 824                         buffer_add( buf, "}");
 825                         buffer_add( buf, "\n" );
 826                         tab = tabs(tab_var);
 827                         buffer_add( buf, tab );
 828                         free(tab);
 829
 830                 } else if( string[i] == ']' ) {
 831
 832                         tab_var--;
 833                         buffer_add(buf, "\n");
 834                         char* tab = tabs(tab_var);
 835                         buffer_add(buf, tab);
 836                         free(tab);
 837                         buffer_add( buf, "]");
 838                         buffer_add( buf, "\n" );
 839                         tab = tabs(tab_var);
 840                         buffer_add( buf, tab );
 841                         free(tab);
 842
 843                 } else if( string[i] == ',' ) {
 844
 845                         buffer_add( buf, ",");
 846                         buffer_add( buf, "\n" );
 847                         char* tab = tabs(tab_var);
 848                         buffer_add(buf, tab);
 849                         free(tab);
 850
 851                 } else {
 852
 853                         char b[2];
 854                         b[0] = string[i];
 855                         b[1] = '\0';
 856                         buffer_add( buf, b );
 857                 }
 858
 859         }
 860
 861         char* result = buffer_data(buf);
 862         buffer_free(buf);
 863         return result;
 864
 865 }
 866
 867 int handle_math( char* words[] ) {
 868         if( words[1] && words[2] )
 869                 return do_math( atoi(words[1]), atoi(words[2]) );
 870         return 0;
 871 }
 872
 873
 874 int do_math( int count, int style ) {
 875
 876         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
 877
 878         object* params = json_parse_string("[]");
 879         params->push(params,new_object("1"));
 880         params->push(params,new_object("2"));
 881
 882         char* methods[] = { "add", "sub", "mult", "div" };
 883         char* answers[] = { "\"3\"", "\"-1\"", "\"2\"", "\"0.5\"" };
 884
 885         float times[ count * 4 ];
 886         memset(times,0,count*4);
 887
 888         int k;
 889         for(k=0;k!=100;k++) {
 890                 if(!(k%10))
 891                         fprintf(stderr,"|");
 892                 else
 893                         fprintf(stderr,".");
 894         }
 895
 896         fprintf(stderr,"\n\n");
 897
 898         int running = 0;
 899         int i;
 900         for(i=0; i!= count; i++) {
 901
 902                 int j;
 903                 for(j=0; j != 4; j++) {
 904
 905                         ++running;
 906                         struct timeb t1;
 907                         struct timeb t2;
 908
 909                         ftime(&t1);
 910                         //int req_id = osrf_app_session_make_request( session, params, methods[j], 1, NULL );
 911                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
 912
 913                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
 914
 915                         ftime(&t2);
 916
 917                         double start    = ( (int)t1.time        + ( ((float)t1.millitm) / 1000 ) );
 918                         double end              = ( (int)t2.time        + ( ((float)t2.millitm) / 1000 ) );
 919
 920                         times[(4*i) + j] = end - start;
 921
 922                         if(omsg) {
 923
 924                                 if(omsg->_result_content) {
 925                                         char* jsn = object_to_json(omsg->_result_content);
 926                                         if(!strcmp(jsn, answers[j]))
 927                                                 fprintf(stderr, "+");
 928                                         else
 929                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
 930                                         free(jsn);
 931                                 }
 932
 933
 934                                 osrf_message_free(omsg);
 935
 936                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
 937
 938                         osrf_app_session_request_finish( session, req_id );
 939
 940                         if(style == 2)
 941                                 osrf_app_session_disconnect( session );
 942
 943                         if(!(running%100))
 944                                 fprintf(stderr,"\n");
 945                 }
 946
 947                 if(style==1)
 948                         osrf_app_session_disconnect( session );
 949         }
 950
 951         osrf_app_session_destroy( session );
 952         free_object(params);
 953
 954         int c;
 955         float total = 0;
 956         for(c=0; c!= count*4; c++)
 957                 total += times[c];
 958
 959         float avg = total / (count*4);
 960         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
 961
 962         return 1;
 963 }