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 /*
 191 static void sig_child_handler( int s ) {
 192         child_dead = 1;
 193 }
 194 */
 195
 196 /*
 197 void sig_int_handler( int s ) {
 198         printf("\n");
 199         caught_sigint = 1;
 200         signal(SIGINT,sig_int_handler);
 201 }
 202 */
 203
 204 static int load_history( void ) {
 205
 206         char* home = getenv("HOME");
 207         int l = strlen(home) + 24;
 208         char fbuf[l];
 209
 210         memset(fbuf, 0, l);
 211         sprintf(fbuf,"%s/.srfsh_history",home);
 212         history_file = strdup(fbuf);
 213
 214         if(!access(history_file, W_OK | R_OK )) {
 215                 history_length = 5000;
 216                 read_history(history_file);
 217         }
 218         return 1;
 219 }
 220
 221
 222 static int parse_error( char* words[] ) {
 223
 224         if( ! words )
 225                 return 0;
 226
 227         growing_buffer * gbuf = buffer_init( 64 );
 228         buffer_add( gbuf, *words );
 229         while( *++words ) {
 230                 buffer_add( gbuf, " " );
 231                 buffer_add( gbuf, *words );
 232         }
 233         fprintf( stderr, "???: %s\n", gbuf->buf );
 234         buffer_free( gbuf );
 235
 236         return 0;
 237
 238 }
 239
 240
 241 static int parse_request( char* request ) {
 242
 243         if( request == NULL )
 244                 return 0;
 245
 246         char* original_request = strdup( request );
 247         char* words[COMMAND_BUFSIZE];
 248
 249         int ret_val = 0;
 250         int i = 0;
 251
 252
 253         char* req = request;
 254         char* cur_tok = strtok( req, " " );
 255
 256         if( cur_tok == NULL )
 257         {
 258                 free( original_request );
 259                 return 0;
 260         }
 261
 262         /* Load an array with pointers to    */
 263         /* the tokens as defined by strtok() */
 264
 265         while(cur_tok != NULL) {
 266                 if( i < COMMAND_BUFSIZE - 1 ) {
 267                         words[i++] = cur_tok;
 268                         cur_tok = strtok( NULL, " " );
 269                 } else {
 270                         fprintf( stderr, "Too many tokens in command\n" );
 271                         free( original_request );
 272                         return 1;
 273                 }
 274         }
 275
 276         words[i] = NULL;
 277
 278         /* pass off to the top level command */
 279         if( !strcmp(words[0],"router") )
 280                 ret_val = handle_router( words );
 281
 282         /*
 283         else if( !strcmp(words[0],"time") )
 284                 ret_val = handle_time( words );
 285                 */
 286
 287         else if (!strcmp(words[0],"request"))
 288                 ret_val = handle_request( words, 0 );
 289
 290         else if (!strcmp(words[0],"relay"))
 291                 ret_val = handle_request( words, 1 );
 292
 293         else if (!strcmp(words[0],"help"))
 294                 ret_val = print_help();
 295
 296         else if (!strcmp(words[0],"set"))
 297                 ret_val = handle_set(words);
 298
 299         else if (!strcmp(words[0],"print"))
 300                 ret_val = handle_print(words);
 301
 302         else if (!strcmp(words[0],"math_bench"))
 303                 ret_val = handle_math(words);
 304
 305         else if (!strcmp(words[0],"introspect"))
 306                 ret_val = handle_introspect(words);
 307
 308         else if (!strcmp(words[0],"login"))
 309                 ret_val = handle_login(words);
 310
 311         else if (words[0][0] == '!') {
 312                 system( original_request + 1 );
 313                 ret_val = 1;
 314         }
 315
 316         free( original_request );
 317
 318         if(!ret_val)
 319                 return parse_error( words );
 320         else
 321                 return 1;
 322 }
 323
 324
 325 static int handle_introspect(char* words[]) {
 326
 327         if( ! words[1] )
 328                 return 0;
 329
 330         fprintf(stderr, "--> %s\n", words[1]);
 331
 332         // Build a command in a suitably-sized
 333         // buffer and then parse it
 334
 335         size_t len;
 336         if( words[2] ) {
 337                 static const char text[] = "request %s opensrf.system.method %s";
 338                 len = sizeof( text ) + strlen( words[1] ) + strlen( words[2] );
 339                 char buf[len];
 340                 sprintf( buf, text, words[1], words[2] );
 341                 return parse_request( buf );
 342
 343         } else {
 344                 static const char text[] = "request %s opensrf.system.method.all";
 345                 len = sizeof( text ) + strlen( words[1] );
 346                 char buf[len];
 347                 sprintf( buf, text, words[1] );
 348                 return parse_request( buf );
 349
 350         }
 351 }
 352
 353
 354 static int handle_login( char* words[]) {
 355
 356         if( words[1] && words[2]) {
 357
 358                 char* username          = words[1];
 359                 char* password          = words[2];
 360                 char* type                      = words[3];
 361                 char* orgloc            = words[4];
 362                 char* workstation       = words[5];
 363                 int orgloci = (orgloc) ? atoi(orgloc) : 0;
 364                 if(!type) type = "opac";
 365
 366                 char buf[256];
 367                 memset(buf,0,256);
 368
 369                 char buf2[256];
 370                 memset(buf2,0,256);
 371
 372                 sprintf( buf,
 373                                 "request open-ils.auth open-ils.auth.authenticate.init \"%s\"", username );
 374                 parse_request(buf);
 375
 376                 char* hash;
 377                 if(last_result && last_result->_result_content) {
 378                         jsonObject* r = last_result->_result_content;
 379                         hash = jsonObjectGetString(r);
 380                 } else return 0;
 381
 382
 383                 char* pass_buf = md5sum(password);
 384
 385                 char both_buf[256];
 386                 memset(both_buf,0,256);
 387                 sprintf(both_buf,"%s%s",hash, pass_buf);
 388
 389                 char* mess_buf = md5sum(both_buf);
 390
 391                 /*
 392                 sprintf( buf2, "request open-ils.auth open-ils.auth.authenticate.complete "
 393                                 "{ \"username\" : \"%s\", \"password\" : \"%s\", "
 394                                 "\"type\" : \"%s\", \"org\" : %d, \"workstation\": \"%s\"}",
 395                                 username, mess_buf, type, orgloci, workstation );
 396                                 */
 397
 398                 growing_buffer* argbuf = buffer_init(64);
 399                 buffer_fadd(argbuf,
 400                                 "request open-ils.auth open-ils.auth.authenticate.complete "
 401                                 "{ \"username\" : \"%s\", \"password\" : \"%s\"", username, mess_buf );
 402
 403                 if(type) buffer_fadd( argbuf, ", \"type\" : \"%s\"", type );
 404                 if(orgloci) buffer_fadd( argbuf, ", \"org\" : %d", orgloci );
 405                 if(workstation) buffer_fadd( argbuf, ", \"workstation\" : \"%s\"", workstation);
 406                 buffer_add(argbuf, "}");
 407
 408                 free(pass_buf);
 409                 free(mess_buf);
 410
 411                 parse_request( argbuf->buf );
 412                 buffer_free(argbuf);
 413
 414                 jsonObject* x = last_result->_result_content;
 415                 double authtime = 0;
 416                 if(x) {
 417                         char* authtoken = jsonObjectGetString(
 418                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtoken"));
 419                         authtime  = jsonObjectGetNumber(
 420                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtime"));
 421                         if(authtoken) login_session = strdup(authtoken);
 422                         else login_session = NULL;
 423                 }
 424                 else login_session = NULL;
 425
 426                 printf("Login Session: %s.  Session timeout: %f\n", login_session, authtime );
 427
 428                 return 1;
 429
 430         }
 431
 432         return 0;
 433 }
 434
 435 static int handle_set( char* words[]) {
 436
 437         char* variable;
 438         if( (variable=words[1]) ) {
 439
 440                 char* val;
 441                 if( (val=words[2]) ) {
 442
 443                         if(!strcmp(variable,"pretty_print")) {
 444                                 if(!strcmp(val,"true")) {
 445                                         pretty_print = 1;
 446                                         printf("pretty_print = true\n");
 447                                         return 1;
 448                                 }
 449                                 if(!strcmp(val,"false")) {
 450                                         pretty_print = 0;
 451                                         printf("pretty_print = false\n");
 452                                         return 1;
 453                                 }
 454                         }
 455
 456                         if(!strcmp(variable,"raw_print")) {
 457                                 if(!strcmp(val,"true")) {
 458                                         raw_print = 1;
 459                                         printf("raw_print = true\n");
 460                                         return 1;
 461                                 }
 462                                 if(!strcmp(val,"false")) {
 463                                         raw_print = 0;
 464                                         printf("raw_print = false\n");
 465                                         return 1;
 466                                 }
 467                         }
 468
 469                 }
 470         }
 471
 472         return 0;
 473 }
 474
 475
 476 static int handle_print( char* words[]) {
 477
 478         char* variable;
 479         if( (variable=words[1]) ) {
 480                 if(!strcmp(variable,"pretty_print")) {
 481                         if(pretty_print) {
 482                                 printf("pretty_print = true\n");
 483                                 return 1;
 484                         } else {
 485                                 printf("pretty_print = false\n");
 486                                 return 1;
 487                         }
 488                 }
 489
 490                 if(!strcmp(variable,"login")) {
 491                         printf("login session = %s\n", login_session );
 492                         return 1;
 493                 }
 494
 495         }
 496         return 0;
 497 }
 498
 499 static int handle_router( char* words[] ) {
 500
 501         if(!client)
 502                 return 1;
 503
 504         int i;
 505
 506         if( words[1] ) {
 507                 if( !strcmp(words[1],"query") ) {
 508
 509                         if( words[2] && !strcmp(words[2],"servers") ) {
 510                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
 511                                         router_query_servers( words[i] );
 512                                 }
 513                                 return 1;
 514                         }
 515                         return 0;
 516                 }
 517                 return 0;
 518         }
 519         return 0;
 520 }
 521
 522
 523
 524 static int handle_request( char* words[], int relay ) {
 525
 526         if(!client)
 527                 return 1;
 528
 529         if(words[1]) {
 530                 char* server = words[1];
 531                 char* method = words[2];
 532                 int i;
 533                 growing_buffer* buffer = NULL;
 534                 if(!relay) {
 535                         buffer = buffer_init(128);
 536                         buffer_add(buffer, "[");
 537                         for(i = 3; words[i] != NULL; i++ ) {
 538                                 /* removes trailing semicolon if user accidentally enters it */
 539                                 if( words[i][strlen(words[i])-1] == ';' )
 540                                         words[i][strlen(words[i])-1] = '\0';
 541                                 buffer_add( buffer, words[i] );
 542                                 buffer_add(buffer, " ");
 543                         }
 544                         buffer_add(buffer, "]");
 545                 }
 546
 547                 return send_request( server, method, buffer, relay );
 548         }
 549
 550         return 0;
 551 }
 552
 553 int send_request( char* server,
 554                 char* method, growing_buffer* buffer, int relay ) {
 555         if( server == NULL || method == NULL )
 556                 return 0;
 557
 558         jsonObject* params = NULL;
 559         if( !relay ) {
 560                 if( buffer != NULL && buffer->n_used > 0 )
 561                         params = jsonParseString(buffer->buf);
 562         } else {
 563                 if(!last_result || ! last_result->_result_content) {
 564                         printf("We're not going to call 'relay' with no result params\n");
 565                         return 1;
 566                 }
 567                 else {
 568                         jsonObject* o = jsonNewObject(NULL);
 569                         jsonObjectPush(o, last_result->_result_content );
 570                         params = o;
 571                 }
 572         }
 573
 574
 575         if(buffer->n_used > 0 && params == NULL) {
 576                 fprintf(stderr, "JSON error detected, not executing\n");
 577                 return 1;
 578         }
 579
 580         osrf_app_session* session = osrf_app_client_session_init(server);
 581
 582         if(!osrf_app_session_connect(session)) {
 583                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
 584                 return 1;
 585         }
 586
 587         double start = get_timestamp_millis();
 588         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
 589         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
 590
 591
 592         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 593
 594         if(!omsg)
 595                 printf("\nReceived no data from server\n");
 596
 597
 598         signal(SIGPIPE, SIG_IGN);
 599
 600         FILE* less;
 601         if(!is_from_script) less = popen( "less -EX", "w");
 602         else less = stdout;
 603
 604         if( less == NULL ) { less = stdout; }
 605
 606         growing_buffer* resp_buffer = buffer_init(4096);
 607
 608         while(omsg) {
 609
 610                 if(raw_print) {
 611
 612                         if(omsg->_result_content) {
 613
 614                                 osrf_message_free(last_result);
 615                                 last_result = omsg;
 616
 617                                 char* content;
 618
 619                                 if( pretty_print && omsg->_result_content ) {
 620                                         char* j = jsonObjectToJSON(omsg->_result_content);
 621                                         //content = json_printer(j);
 622                                         content = jsonFormatString(j);
 623                                         free(j);
 624                                 } else
 625                                         content = jsonObjectGetString(omsg->_result_content);
 626
 627                                 printf( "\nReceived Data: %s\n", content );
 628                                 free(content);
 629
 630                         } else {
 631
 632                                 char code[16];
 633                                 memset(code, 0, 16);
 634                                 sprintf( code, "%d", omsg->status_code );
 635                                 buffer_add( resp_buffer, code );
 636
 637                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 638                                                 omsg->status_name, omsg->status_text, code );
 639
 640                                 fflush(stdout);
 641                         }
 642
 643                 } else {
 644
 645                         if(omsg->_result_content) {
 646
 647                                 osrf_message_free(last_result);
 648                                 last_result = omsg;
 649
 650                                 char* content;
 651
 652                                 if( pretty_print && omsg->_result_content ) {
 653                                         char* j = jsonObjectToJSON(omsg->_result_content);
 654                                         //content = json_printer(j);
 655                                         content = jsonFormatString(j);
 656                                         free(j);
 657                                 } else
 658                                         content = jsonObjectGetString(omsg->_result_content);
 659
 660                                 buffer_add( resp_buffer, "\nReceived Data: " );
 661                                 buffer_add( resp_buffer, content );
 662                                 buffer_add( resp_buffer, "\n" );
 663                                 free(content);
 664
 665                         } else {
 666
 667                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 668                                 buffer_add( resp_buffer, omsg->status_name );
 669                                 buffer_add( resp_buffer, "\nStatus: " );
 670                                 buffer_add( resp_buffer, omsg->status_text );
 671                                 buffer_add( resp_buffer, "\nStatus: " );
 672                                 char code[16];
 673                                 memset(code, 0, 16);
 674                                 sprintf( code, "%d", omsg->status_code );
 675                                 buffer_add( resp_buffer, code );
 676                         }
 677                 }
 678
 679
 680                 omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 681
 682         }
 683
 684         double end = get_timestamp_millis();
 685
 686         fprintf( less, resp_buffer->buf );
 687         buffer_free( resp_buffer );
 688         fprintf( less, "\n------------------------------------\n");
 689         if( osrf_app_session_request_complete( session, req_id ))
 690                 fprintf(less, "Request Completed Successfully\n");
 691
 692
 693         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
 694         fprintf(less, "------------------------------------\n");
 695
 696         pclose(less);
 697
 698         osrf_app_session_request_finish( session, req_id );
 699         osrf_app_session_disconnect( session );
 700         osrf_app_session_destroy( session );
 701
 702
 703         return 1;
 704
 705
 706 }
 707
 708 /*
 709 static int handle_time( char* words[] ) {
 710
 711         if( ! words[1] ) {
 712
 713                 char buf[36];
 714                 memset(buf,0,36);
 715                 get_timestamp(buf);
 716                 printf( "%s\n", buf );
 717                 return 1;
 718         }
 719
 720         if( words[1] ) {
 721                 time_t epoch = (time_t)atoi( words[1] );
 722                 char* localtime = strdup( ctime( &epoch ) );
 723                 printf( "%s => %s", words[1], localtime );
 724                 free(localtime);
 725                 return 1;
 726         }
 727
 728         return 0;
 729
 730 }
 731 */
 732
 733
 734
 735 static int router_query_servers( const char* router_server ) {
 736
 737         if( ! router_server || strlen(router_server) == 0 )
 738                 return 0;
 739
 740         char rbuf[256];
 741         memset(rbuf,0,256);
 742         sprintf(rbuf,"router@%s/router", router_server );
 743
 744         transport_message* send =
 745                 message_init( "servers", NULL, NULL, rbuf, NULL );
 746         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 747
 748         client_send_message( client, send );
 749         message_free( send );
 750
 751         transport_message* recv = client_recv( client, -1 );
 752         if( recv == NULL ) {
 753                 fprintf(stderr, "NULL message received from router\n");
 754                 return 1;
 755         }
 756
 757         printf(
 758                         "---------------------------------------------------------------------------------\n"
 759                         "Received from 'server' query on %s\n"
 760                         "---------------------------------------------------------------------------------\n"
 761                         "original reg time | latest reg time | last used time | class | server\n"
 762                         "---------------------------------------------------------------------------------\n"
 763                         "%s"
 764                         "---------------------------------------------------------------------------------\n"
 765                         , router_server, recv->body );
 766
 767         message_free( recv );
 768
 769         return 1;
 770 }
 771
 772 static int print_help( void ) {
 773
 774         printf(
 775                         "---------------------------------------------------------------------------------\n"
 776                         "Commands:\n"
 777                         "---------------------------------------------------------------------------------\n"
 778                         "help                   - Display this message\n"
 779                         "!<command> [args] - Forks and runs the given command in the shell\n"
 780                 /*
 781                         "time                   - Prints the current time\n"
 782                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 783                 */
 784                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 785                         "print <variable>               - Displays the value of a srfsh variable\n"
 786                         "---------------------------------------------------------------------------------\n"
 787
 788                         "router query servers <server1 [, server2, ...]>\n"
 789                         "       - Returns stats on connected services\n"
 790                         "\n"
 791                         "\n"
 792                         "request <service> <method> [ <json formatted string of params> ]\n"
 793                         "       - Anything passed in will be wrapped in a json array,\n"
 794                         "               so add commas if there is more than one param\n"
 795                         "\n"
 796                         "\n"
 797                         "relay <service> <method>\n"
 798                         "       - Performs the requested query using the last received result as the param\n"
 799                         "\n"
 800                         "\n"
 801                         "math_bench <num_batches> [0|1|2]\n"
 802                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 803                         "                2 means reconnect after every request\n"
 804                         "\n"
 805                         "introspect <service>\n"
 806                         "       - prints the API for the service\n"
 807                         "\n"
 808                         "\n"
 809                         "---------------------------------------------------------------------------------\n"
 810                         " Commands for Open-ILS\n"
 811                         "---------------------------------------------------------------------------------\n"
 812                         "login <username> <password>\n"
 813                         "       -       Logs into the 'server' and displays the session id\n"
 814                         "       - To view the session id later, enter: print login\n"
 815                         "---------------------------------------------------------------------------------\n"
 816                         "\n"
 817                         "\n"
 818                         "Note: long output is piped through 'less'.  To search in 'less', type: /<search>\n"
 819                         "---------------------------------------------------------------------------------\n"
 820                         "\n"
 821                         );
 822
 823         return 1;
 824 }
 825
 826
 827 /*
 828 static char* tabs(int count) {
 829         growing_buffer* buf = buffer_init(24);
 830         int i;
 831         for(i=0;i!=count;i++)
 832                 buffer_add(buf, "  ");
 833
 834         char* final = buffer_data( buf );
 835         buffer_free( buf );
 836         return final;
 837 }
 838 */
 839
 840
 841 static int handle_math( char* words[] ) {
 842         if( words[1] )
 843                 return do_math( atoi(words[1]), 0 );
 844         return 0;
 845 }
 846
 847
 848 static int do_math( int count, int style ) {
 849
 850         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
 851         osrf_app_session_connect(session);
 852
 853         jsonObject* params = jsonParseString("[]");
 854         jsonObjectPush(params,jsonNewObject("1"));
 855         jsonObjectPush(params,jsonNewObject("2"));
 856
 857         char* methods[] = { "add", "sub", "mult", "div" };
 858         char* answers[] = { "3", "-1", "2", "0.500000" };
 859
 860         float times[ count * 4 ];
 861         memset(times,0,count*4);
 862
 863         int k;
 864         for(k=0;k!=100;k++) {
 865                 if(!(k%10))
 866                         fprintf(stderr,"|");
 867                 else
 868                         fprintf(stderr,".");
 869         }
 870
 871         fprintf(stderr,"\n\n");
 872
 873         int running = 0;
 874         int i;
 875         for(i=0; i!= count; i++) {
 876
 877                 int j;
 878                 for(j=0; j != 4; j++) {
 879
 880                         ++running;
 881
 882                         double start = get_timestamp_millis();
 883                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
 884                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
 885                         double end = get_timestamp_millis();
 886
 887                         times[(4*i) + j] = end - start;
 888
 889                         if(omsg) {
 890
 891                                 if(omsg->_result_content) {
 892                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
 893                                         if(!strcmp(jsn, answers[j]))
 894                                                 fprintf(stderr, "+");
 895                                         else
 896                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
 897                                         free(jsn);
 898                                 }
 899
 900
 901                                 osrf_message_free(omsg);
 902
 903                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
 904
 905                         osrf_app_session_request_finish( session, req_id );
 906
 907                         if(style == 2)
 908                                 osrf_app_session_disconnect( session );
 909
 910                         if(!(running%100))
 911                                 fprintf(stderr,"\n");
 912                 }
 913
 914                 if(style==1)
 915                         osrf_app_session_disconnect( session );
 916         }
 917
 918         osrf_app_session_destroy( session );
 919         jsonObjectFree(params);
 920
 921         int c;
 922         float total = 0;
 923         for(c=0; c!= count*4; c++)
 924                 total += times[c];
 925
 926         float avg = total / (count*4);
 927         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
 928
 929         return 1;
 930 }