src/srfsh/srfsh.c

   1 #include <opensrf/transport_client.h>
   2 #include <opensrf/osrf_message.h>
   3 #include <opensrf/osrf_app_session.h>
   4 #include <time.h>
   5 #include <ctype.h>
   6 #include <sys/timeb.h>
   7 #include <sys/types.h>
   8 #include <sys/wait.h>
   9
  10 #include <opensrf/utils.h>
  11 #include <opensrf/log.h>
  12
  13 #include <signal.h>
  14
  15 #include <stdio.h>
  16 #include <readline/readline.h>
  17 #include <readline/history.h>
  18
  19 #define SRFSH_PORT 5222
  20 #define COMMAND_BUFSIZE 4096
  21
  22
  23 /* shell prompt */
  24 static const char* prompt = "srfsh# ";
  25
  26 static char* history_file = NULL;
  27
  28 //static int child_dead = 0;
  29
  30 static char* login_session = NULL;
  31
  32 /* true if we're pretty printing json results */
  33 static int pretty_print = 1;
  34 /* true if we're bypassing 'less' */
  35 static int raw_print = 0;
  36
  37 /* our jabber connection */
  38 static transport_client* client = NULL;
  39
  40 /* the last result we received */
  41 static osrf_message* last_result = NULL;
  42
  43 /* functions */
  44 static int parse_request( char* request );
  45
  46 /* handles router requests */
  47 static int handle_router( char* words[] );
  48
  49 /* utility method for print time data */
  50 /* static int handle_time( char* words[] ); */
  51
  52 /* handles app level requests */
  53 static int handle_request( char* words[], int relay );
  54 static int handle_set( char* words[]);
  55 static int handle_print( char* words[]);
  56 static int send_request( char* server,
  57                                   char* method, growing_buffer* buffer, int relay );
  58 static int parse_error( char* words[] );
  59 static int router_query_servers( const char* server );
  60 static int print_help( void );
  61
  62 //static int srfsh_client_connect();
  63 //static char* tabs(int count);
  64 //static void sig_child_handler( int s );
  65 //static void sig_int_handler( int s );
  66
  67 static int load_history( void );
  68 static int handle_math( char* words[] );
  69 static int do_math( int count, int style );
  70 static int handle_introspect(char* words[]);
  71 static int handle_login( char* words[]);
  72
  73 static int recv_timeout = 120;
  74 static int is_from_script = 0;
  75
  76 int main( int argc, char* argv[] ) {
  77
  78         /* --------------------------------------------- */
  79         /* see if they have a .srfsh.xml in their home directory */
  80         char* home = getenv("HOME");
  81         int l = strlen(home) + 36;
  82         char fbuf[l];
  83         memset(fbuf, 0, l);
  84         sprintf(fbuf,"%s/.srfsh.xml",home);
  85
  86         if(!access(fbuf, R_OK)) {
  87                 if( ! osrf_system_bootstrap_client(fbuf, "srfsh") ) {
  88                         fprintf(stderr,"Unable to bootstrap client for requests\n");
  89                         osrfLogError( OSRF_LOG_MARK,  "Unable to bootstrap client for requests");
  90                         return -1;
  91                 }
  92
  93         } else {
  94                 fprintf(stderr,"No Config file found at %s\n", fbuf );
  95                 return -1;
  96         }
  97
  98         if(argc > 1) {
  99                 /* for now.. the first arg is used as a script file for processing */
 100                 int f;
 101                 if( (f = open(argv[1], O_RDONLY)) == -1 ) {
 102                         osrfLogError( OSRF_LOG_MARK, "Unable to open file %s for reading, exiting...", argv[1]);
 103                         return -1;
 104                 }
 105
 106                 if(dup2(f, STDIN_FILENO) == -1) {
 107                         osrfLogError( OSRF_LOG_MARK, "Unable to duplicate STDIN, exiting...");
 108                         return -1;
 109                 }
 110
 111                 close(f);
 112                 is_from_script = 1;
 113         }
 114
 115         /* --------------------------------------------- */
 116         load_history();
 117
 118
 119         client = osrf_system_get_transport_client();
 120
 121         /* main process loop */
 122         int newline_needed = 1;  /* used as boolean */
 123         char* request;
 124         while((request=readline(prompt))) {
 125
 126                 // Find first non-whitespace character
 127
 128                 char * cmd = request;
 129                 while( isspace( (unsigned char) *cmd ) )
 130                         ++cmd;
 131
 132                 // ignore comments and empty lines
 133
 134                 if( '\0' == *cmd || '#' == *cmd )
 135                         continue;
 136
 137                 // Remove trailing whitespace.  We know at this point that
 138                 // there is at least one non-whitespace character somewhere,
 139                 // or we would have already skipped this line.  Hence we
 140                 // needn't check to make sure that we don't back up past
 141                 // the beginning.
 142
 143                 {
 144                         // The curly braces limit the scope of the end variable
 145
 146                         char * end = cmd + strlen(cmd) - 1;
 147                         while( isspace( (unsigned char) *end ) )
 148                                 --end;
 149                         end[1] = '\0';
 150                 }
 151
 152                 if( !strcasecmp(cmd, "exit") || !strcasecmp(cmd, "quit"))
 153                 {
 154                         newline_needed = 0;
 155                         break;
 156                 }
 157
 158                 char* req_copy = strdup(cmd);
 159
 160                 parse_request( req_copy );
 161                 if( request && *cmd ) {
 162                         add_history(request);
 163                 }
 164
 165                 free(request);
 166                 free(req_copy);
 167
 168                 fflush(stderr);
 169                 fflush(stdout);
 170         }
 171
 172         if( newline_needed ) {
 173
 174                 // We left the readline loop after seeing an EOF, not after
 175                 // seeing "quit" or "exit".  So we issue a newline in order
 176                 // to avoid leaving a dangling prompt.
 177
 178                 putchar( '\n' );
 179         }
 180
 181         if(history_file != NULL )
 182                 write_history(history_file);
 183
 184         free(request);
 185
 186         osrf_system_shutdown();
 187         return 0;
 188 }
 189
 190 static int load_history( void ) {
 191
 192         char* home = getenv("HOME");
 193         int l = strlen(home) + 24;
 194         char fbuf[l];
 195
 196         memset(fbuf, 0, l);
 197         sprintf(fbuf,"%s/.srfsh_history",home);
 198         history_file = strdup(fbuf);
 199
 200         if(!access(history_file, W_OK | R_OK )) {
 201                 history_length = 5000;
 202                 read_history(history_file);
 203         }
 204         return 1;
 205 }
 206
 207
 208 static int parse_error( char* words[] ) {
 209
 210         if( ! words )
 211                 return 0;
 212
 213         growing_buffer * gbuf = buffer_init( 64 );
 214         buffer_add( gbuf, *words );
 215         while( *++words ) {
 216                 buffer_add( gbuf, " " );
 217                 buffer_add( gbuf, *words );
 218         }
 219         fprintf( stderr, "???: %s\n", gbuf->buf );
 220         buffer_free( gbuf );
 221
 222         return 0;
 223
 224 }
 225
 226
 227 static int parse_request( char* request ) {
 228
 229         if( request == NULL )
 230                 return 0;
 231
 232         char* original_request = strdup( request );
 233         char* words[COMMAND_BUFSIZE];
 234
 235         int ret_val = 0;
 236         int i = 0;
 237
 238
 239         char* req = request;
 240         char* cur_tok = strtok( req, " " );
 241
 242         if( cur_tok == NULL )
 243         {
 244                 free( original_request );
 245                 return 0;
 246         }
 247
 248         /* Load an array with pointers to    */
 249         /* the tokens as defined by strtok() */
 250
 251         while(cur_tok != NULL) {
 252                 if( i < COMMAND_BUFSIZE - 1 ) {
 253                         words[i++] = cur_tok;
 254                         cur_tok = strtok( NULL, " " );
 255                 } else {
 256                         fprintf( stderr, "Too many tokens in command\n" );
 257                         free( original_request );
 258                         return 1;
 259                 }
 260         }
 261
 262         words[i] = NULL;
 263
 264         /* pass off to the top level command */
 265         if( !strcmp(words[0],"router") )
 266                 ret_val = handle_router( words );
 267
 268         /*
 269         else if( !strcmp(words[0],"time") )
 270                 ret_val = handle_time( words );
 271                 */
 272
 273         else if (!strcmp(words[0],"request"))
 274                 ret_val = handle_request( words, 0 );
 275
 276         else if (!strcmp(words[0],"relay"))
 277                 ret_val = handle_request( words, 1 );
 278
 279         else if (!strcmp(words[0],"help"))
 280                 ret_val = print_help();
 281
 282         else if (!strcmp(words[0],"set"))
 283                 ret_val = handle_set(words);
 284
 285         else if (!strcmp(words[0],"print"))
 286                 ret_val = handle_print(words);
 287
 288         else if (!strcmp(words[0],"math_bench"))
 289                 ret_val = handle_math(words);
 290
 291         else if (!strcmp(words[0],"introspect"))
 292                 ret_val = handle_introspect(words);
 293
 294         else if (!strcmp(words[0],"login"))
 295                 ret_val = handle_login(words);
 296
 297         else if (words[0][0] == '!') {
 298                 system( original_request + 1 );
 299                 ret_val = 1;
 300         }
 301
 302         free( original_request );
 303
 304         if(!ret_val)
 305                 return parse_error( words );
 306         else
 307                 return 1;
 308 }
 309
 310
 311 static int handle_introspect(char* words[]) {
 312
 313         if( ! words[1] )
 314                 return 0;
 315
 316         fprintf(stderr, "--> %s\n", words[1]);
 317
 318         // Build a command in a suitably-sized
 319         // buffer and then parse it
 320
 321         size_t len;
 322         if( words[2] ) {
 323                 static const char text[] = "request %s opensrf.system.method %s";
 324                 len = sizeof( text ) + strlen( words[1] ) + strlen( words[2] );
 325                 char buf[len];
 326                 sprintf( buf, text, words[1], words[2] );
 327                 return parse_request( buf );
 328
 329         } else {
 330                 static const char text[] = "request %s opensrf.system.method.all";
 331                 len = sizeof( text ) + strlen( words[1] );
 332                 char buf[len];
 333                 sprintf( buf, text, words[1] );
 334                 return parse_request( buf );
 335
 336         }
 337 }
 338
 339
 340 static int handle_login( char* words[]) {
 341
 342         if( words[1] && words[2]) {
 343
 344                 char* username          = words[1];
 345                 char* password          = words[2];
 346                 char* type                      = words[3];
 347                 char* orgloc            = words[4];
 348                 char* workstation       = words[5];
 349                 int orgloci = (orgloc) ? atoi(orgloc) : 0;
 350                 if(!type) type = "opac";
 351
 352                 char login_text[] = "request open-ils.auth open-ils.auth.authenticate.init \"%s\"";
 353                 size_t len = sizeof( login_text ) + strlen(username);
 354
 355                 char buf[len];
 356                 buf[0] = '\0';
 357                 sprintf( buf, login_text, username );
 358                 parse_request(buf);
 359
 360                 char* hash;
 361                 if(last_result && last_result->_result_content) {
 362                         jsonObject* r = last_result->_result_content;
 363                         hash = jsonObjectGetString(r);
 364                 } else return 0;
 365
 366
 367                 char* pass_buf = md5sum(password);
 368
 369                 size_t both_len = strlen( hash ) + strlen( pass_buf ) + 1;
 370                 char both_buf[both_len];
 371                 both_buf[0] = '\0';
 372                 sprintf(both_buf,"%s%s",hash, pass_buf);
 373
 374                 char* mess_buf = md5sum(both_buf);
 375
 376                 growing_buffer* argbuf = buffer_init(64);
 377                 buffer_fadd(argbuf,
 378                                 "request open-ils.auth open-ils.auth.authenticate.complete "
 379                                 "{ \"username\" : \"%s\", \"password\" : \"%s\"", username, mess_buf );
 380
 381                 if(type) buffer_fadd( argbuf, ", \"type\" : \"%s\"", type );
 382                 if(orgloci) buffer_fadd( argbuf, ", \"org\" : %d", orgloci );
 383                 if(workstation) buffer_fadd( argbuf, ", \"workstation\" : \"%s\"", workstation);
 384                 buffer_add(argbuf, "}");
 385
 386                 free(pass_buf);
 387                 free(mess_buf);
 388
 389                 parse_request( argbuf->buf );
 390                 buffer_free(argbuf);
 391
 392                 jsonObject* x = last_result->_result_content;
 393                 double authtime = 0;
 394                 if(x) {
 395                         char* authtoken = jsonObjectGetString(
 396                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtoken"));
 397                         authtime  = jsonObjectGetNumber(
 398                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtime"));
 399                         if(authtoken) login_session = strdup(authtoken);
 400                         else login_session = NULL;
 401                 }
 402                 else login_session = NULL;
 403
 404                 printf("Login Session: %s.  Session timeout: %f\n", login_session, authtime );
 405
 406                 return 1;
 407
 408         }
 409
 410         return 0;
 411 }
 412
 413 static int handle_set( char* words[]) {
 414
 415         char* variable;
 416         if( (variable=words[1]) ) {
 417
 418                 char* val;
 419                 if( (val=words[2]) ) {
 420
 421                         if(!strcmp(variable,"pretty_print")) {
 422                                 if(!strcmp(val,"true")) {
 423                                         pretty_print = 1;
 424                                         printf("pretty_print = true\n");
 425                                         return 1;
 426                                 }
 427                                 if(!strcmp(val,"false")) {
 428                                         pretty_print = 0;
 429                                         printf("pretty_print = false\n");
 430                                         return 1;
 431                                 }
 432                         }
 433
 434                         if(!strcmp(variable,"raw_print")) {
 435                                 if(!strcmp(val,"true")) {
 436                                         raw_print = 1;
 437                                         printf("raw_print = true\n");
 438                                         return 1;
 439                                 }
 440                                 if(!strcmp(val,"false")) {
 441                                         raw_print = 0;
 442                                         printf("raw_print = false\n");
 443                                         return 1;
 444                                 }
 445                         }
 446
 447                 }
 448         }
 449
 450         return 0;
 451 }
 452
 453
 454 static int handle_print( char* words[]) {
 455
 456         char* variable;
 457         if( (variable=words[1]) ) {
 458                 if(!strcmp(variable,"pretty_print")) {
 459                         if(pretty_print) {
 460                                 printf("pretty_print = true\n");
 461                                 return 1;
 462                         } else {
 463                                 printf("pretty_print = false\n");
 464                                 return 1;
 465                         }
 466                 }
 467
 468                 if(!strcmp(variable,"login")) {
 469                         printf("login session = %s\n", login_session );
 470                         return 1;
 471                 }
 472
 473         }
 474         return 0;
 475 }
 476
 477 static int handle_router( char* words[] ) {
 478
 479         if(!client)
 480                 return 1;
 481
 482         int i;
 483
 484         if( words[1] ) {
 485                 if( !strcmp(words[1],"query") ) {
 486
 487                         if( words[2] && !strcmp(words[2],"servers") ) {
 488                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
 489                                         router_query_servers( words[i] );
 490                                 }
 491                                 return 1;
 492                         }
 493                         return 0;
 494                 }
 495                 return 0;
 496         }
 497         return 0;
 498 }
 499
 500
 501
 502 static int handle_request( char* words[], int relay ) {
 503
 504         if(!client)
 505                 return 1;
 506
 507         if(words[1]) {
 508                 char* server = words[1];
 509                 char* method = words[2];
 510                 int i;
 511                 growing_buffer* buffer = NULL;
 512                 if(!relay) {
 513                         buffer = buffer_init(128);
 514                         buffer_add(buffer, "[");
 515                         for(i = 3; words[i] != NULL; i++ ) {
 516                                 /* removes trailing semicolon if user accidentally enters it */
 517                                 if( words[i][strlen(words[i])-1] == ';' )
 518                                         words[i][strlen(words[i])-1] = '\0';
 519                                 buffer_add( buffer, words[i] );
 520                                 buffer_add(buffer, " ");
 521                         }
 522                         buffer_add(buffer, "]");
 523                 }
 524
 525                 return send_request( server, method, buffer, relay );
 526         }
 527
 528         return 0;
 529 }
 530
 531 int send_request( char* server,
 532                 char* method, growing_buffer* buffer, int relay ) {
 533         if( server == NULL || method == NULL )
 534                 return 0;
 535
 536         jsonObject* params = NULL;
 537         if( !relay ) {
 538                 if( buffer != NULL && buffer->n_used > 0 )
 539                         params = jsonParseString(buffer->buf);
 540         } else {
 541                 if(!last_result || ! last_result->_result_content) {
 542                         printf("We're not going to call 'relay' with no result params\n");
 543                         return 1;
 544                 }
 545                 else {
 546                         jsonObject* o = jsonNewObject(NULL);
 547                         jsonObjectPush(o, last_result->_result_content );
 548                         params = o;
 549                 }
 550         }
 551
 552
 553         if(buffer->n_used > 0 && params == NULL) {
 554                 fprintf(stderr, "JSON error detected, not executing\n");
 555                 return 1;
 556         }
 557
 558         osrf_app_session* session = osrf_app_client_session_init(server);
 559
 560         if(!osrf_app_session_connect(session)) {
 561                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
 562                 return 1;
 563         }
 564
 565         double start = get_timestamp_millis();
 566         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
 567         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
 568
 569
 570         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 571
 572         if(!omsg)
 573                 printf("\nReceived no data from server\n");
 574
 575
 576         signal(SIGPIPE, SIG_IGN);
 577
 578         FILE* less;
 579         if(!is_from_script) less = popen( "less -EX", "w");
 580         else less = stdout;
 581
 582         if( less == NULL ) { less = stdout; }
 583
 584         growing_buffer* resp_buffer = buffer_init(4096);
 585
 586         while(omsg) {
 587
 588                 if(raw_print) {
 589
 590                         if(omsg->_result_content) {
 591
 592                                 osrf_message_free(last_result);
 593                                 last_result = omsg;
 594
 595                                 char* content;
 596
 597                                 if( pretty_print && omsg->_result_content ) {
 598                                         char* j = jsonObjectToJSON(omsg->_result_content);
 599                                         //content = json_printer(j);
 600                                         content = jsonFormatString(j);
 601                                         free(j);
 602                                 } else
 603                                         content = jsonObjectGetString(omsg->_result_content);
 604
 605                                 printf( "\nReceived Data: %s\n", content );
 606                                 free(content);
 607
 608                         } else {
 609
 610                                 char code[16];
 611                                 memset(code, 0, 16);
 612                                 sprintf( code, "%d", omsg->status_code );
 613                                 buffer_add( resp_buffer, code );
 614
 615                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 616                                                 omsg->status_name, omsg->status_text, code );
 617
 618                                 fflush(stdout);
 619                         }
 620
 621                 } else {
 622
 623                         if(omsg->_result_content) {
 624
 625                                 osrf_message_free(last_result);
 626                                 last_result = omsg;
 627
 628                                 char* content;
 629
 630                                 if( pretty_print && omsg->_result_content ) {
 631                                         char* j = jsonObjectToJSON(omsg->_result_content);
 632                                         //content = json_printer(j);
 633                                         content = jsonFormatString(j);
 634                                         free(j);
 635                                 } else
 636                                         content = jsonObjectGetString(omsg->_result_content);
 637
 638                                 buffer_add( resp_buffer, "\nReceived Data: " );
 639                                 buffer_add( resp_buffer, content );
 640                                 buffer_add( resp_buffer, "\n" );
 641                                 free(content);
 642
 643                         } else {
 644
 645                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 646                                 buffer_add( resp_buffer, omsg->status_name );
 647                                 buffer_add( resp_buffer, "\nStatus: " );
 648                                 buffer_add( resp_buffer, omsg->status_text );
 649                                 buffer_add( resp_buffer, "\nStatus: " );
 650                                 char code[16];
 651                                 memset(code, 0, 16);
 652                                 sprintf( code, "%d", omsg->status_code );
 653                                 buffer_add( resp_buffer, code );
 654                         }
 655                 }
 656
 657
 658                 omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 659
 660         }
 661
 662         double end = get_timestamp_millis();
 663
 664         fprintf( less, resp_buffer->buf );
 665         buffer_free( resp_buffer );
 666         fprintf( less, "\n------------------------------------\n");
 667         if( osrf_app_session_request_complete( session, req_id ))
 668                 fprintf(less, "Request Completed Successfully\n");
 669
 670
 671         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
 672         fprintf(less, "------------------------------------\n");
 673
 674         pclose(less);
 675
 676         osrf_app_session_request_finish( session, req_id );
 677         osrf_app_session_disconnect( session );
 678         osrf_app_session_destroy( session );
 679
 680
 681         return 1;
 682
 683
 684 }
 685
 686 /*
 687 static int handle_time( char* words[] ) {
 688
 689         if( ! words[1] ) {
 690
 691                 char buf[36];
 692                 memset(buf,0,36);
 693                 get_timestamp(buf);
 694                 printf( "%s\n", buf );
 695                 return 1;
 696         }
 697
 698         if( words[1] ) {
 699                 time_t epoch = (time_t)atoi( words[1] );
 700                 char* localtime = strdup( ctime( &epoch ) );
 701                 printf( "%s => %s", words[1], localtime );
 702                 free(localtime);
 703                 return 1;
 704         }
 705
 706         return 0;
 707
 708 }
 709 */
 710
 711
 712
 713 static int router_query_servers( const char* router_server ) {
 714
 715         if( ! router_server || strlen(router_server) == 0 )
 716                 return 0;
 717
 718         char rbuf[256];
 719         memset(rbuf,0,256);
 720         sprintf(rbuf,"router@%s/router", router_server );
 721
 722         transport_message* send =
 723                 message_init( "servers", NULL, NULL, rbuf, NULL );
 724         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 725
 726         client_send_message( client, send );
 727         message_free( send );
 728
 729         transport_message* recv = client_recv( client, -1 );
 730         if( recv == NULL ) {
 731                 fprintf(stderr, "NULL message received from router\n");
 732                 return 1;
 733         }
 734
 735         printf(
 736                         "---------------------------------------------------------------------------------\n"
 737                         "Received from 'server' query on %s\n"
 738                         "---------------------------------------------------------------------------------\n"
 739                         "original reg time | latest reg time | last used time | class | server\n"
 740                         "---------------------------------------------------------------------------------\n"
 741                         "%s"
 742                         "---------------------------------------------------------------------------------\n"
 743                         , router_server, recv->body );
 744
 745         message_free( recv );
 746
 747         return 1;
 748 }
 749
 750 static int print_help( void ) {
 751
 752         printf(
 753                         "---------------------------------------------------------------------------------\n"
 754                         "Commands:\n"
 755                         "---------------------------------------------------------------------------------\n"
 756                         "help                   - Display this message\n"
 757                         "!<command> [args] - Forks and runs the given command in the shell\n"
 758                 /*
 759                         "time                   - Prints the current time\n"
 760                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 761                 */
 762                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 763                         "print <variable>               - Displays the value of a srfsh variable\n"
 764                         "---------------------------------------------------------------------------------\n"
 765
 766                         "router query servers <server1 [, server2, ...]>\n"
 767                         "       - Returns stats on connected services\n"
 768                         "\n"
 769                         "\n"
 770                         "request <service> <method> [ <json formatted string of params> ]\n"
 771                         "       - Anything passed in will be wrapped in a json array,\n"
 772                         "               so add commas if there is more than one param\n"
 773                         "\n"
 774                         "\n"
 775                         "relay <service> <method>\n"
 776                         "       - Performs the requested query using the last received result as the param\n"
 777                         "\n"
 778                         "\n"
 779                         "math_bench <num_batches> [0|1|2]\n"
 780                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 781                         "                2 means reconnect after every request\n"
 782                         "\n"
 783                         "introspect <service>\n"
 784                         "       - prints the API for the service\n"
 785                         "\n"
 786                         "\n"
 787                         "---------------------------------------------------------------------------------\n"
 788                         " Commands for Open-ILS\n"
 789                         "---------------------------------------------------------------------------------\n"
 790                         "login <username> <password>\n"
 791                         "       -       Logs into the 'server' and displays the session id\n"
 792                         "       - To view the session id later, enter: print login\n"
 793                         "---------------------------------------------------------------------------------\n"
 794                         "\n"
 795                         "\n"
 796                         "Note: long output is piped through 'less'.  To search in 'less', type: /<search>\n"
 797                         "---------------------------------------------------------------------------------\n"
 798                         "\n"
 799                         );
 800
 801         return 1;
 802 }
 803
 804
 805 /*
 806 static char* tabs(int count) {
 807         growing_buffer* buf = buffer_init(24);
 808         int i;
 809         for(i=0;i!=count;i++)
 810                 buffer_add(buf, "  ");
 811
 812         char* final = buffer_data( buf );
 813         buffer_free( buf );
 814         return final;
 815 }
 816 */
 817
 818
 819 static int handle_math( char* words[] ) {
 820         if( words[1] )
 821                 return do_math( atoi(words[1]), 0 );
 822         return 0;
 823 }
 824
 825
 826 static int do_math( int count, int style ) {
 827
 828         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
 829         osrf_app_session_connect(session);
 830
 831         jsonObject* params = jsonParseString("[]");
 832         jsonObjectPush(params,jsonNewObject("1"));
 833         jsonObjectPush(params,jsonNewObject("2"));
 834
 835         char* methods[] = { "add", "sub", "mult", "div" };
 836         char* answers[] = { "3", "-1", "2", "0.500000" };
 837
 838         float times[ count * 4 ];
 839         memset(times,0,count*4);
 840
 841         int k;
 842         for(k=0;k!=100;k++) {
 843                 if(!(k%10))
 844                         fprintf(stderr,"|");
 845                 else
 846                         fprintf(stderr,".");
 847         }
 848
 849         fprintf(stderr,"\n\n");
 850
 851         int running = 0;
 852         int i;
 853         for(i=0; i!= count; i++) {
 854
 855                 int j;
 856                 for(j=0; j != 4; j++) {
 857
 858                         ++running;
 859
 860                         double start = get_timestamp_millis();
 861                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
 862                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
 863                         double end = get_timestamp_millis();
 864
 865                         times[(4*i) + j] = end - start;
 866
 867                         if(omsg) {
 868
 869                                 if(omsg->_result_content) {
 870                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
 871                                         if(!strcmp(jsn, answers[j]))
 872                                                 fprintf(stderr, "+");
 873                                         else
 874                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
 875                                         free(jsn);
 876                                 }
 877
 878
 879                                 osrf_message_free(omsg);
 880
 881                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
 882
 883                         osrf_app_session_request_finish( session, req_id );
 884
 885                         if(style == 2)
 886                                 osrf_app_session_disconnect( session );
 887
 888                         if(!(running%100))
 889                                 fprintf(stderr,"\n");
 890                 }
 891
 892                 if(style==1)
 893                         osrf_app_session_disconnect( session );
 894         }
 895
 896         osrf_app_session_destroy( session );
 897         jsonObjectFree(params);
 898
 899         int c;
 900         float total = 0;
 901         for(c=0; c!= count*4; c++)
 902                 total += times[c];
 903
 904         float avg = total / (count*4);
 905         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
 906
 907         return 1;
 908 }