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         free(login_session);
 186
 187         osrf_system_shutdown();
 188         return 0;
 189 }
 190
 191 static int load_history( void ) {
 192
 193         char* home = getenv("HOME");
 194         int l = strlen(home) + 24;
 195         char fbuf[l];
 196
 197         memset(fbuf, 0, l);
 198         sprintf(fbuf,"%s/.srfsh_history",home);
 199         history_file = strdup(fbuf);
 200
 201         if(!access(history_file, W_OK | R_OK )) {
 202                 history_length = 5000;
 203                 read_history(history_file);
 204         }
 205         return 1;
 206 }
 207
 208
 209 static int parse_error( char* words[] ) {
 210
 211         if( ! words )
 212                 return 0;
 213
 214         growing_buffer * gbuf = buffer_init( 64 );
 215         buffer_add( gbuf, *words );
 216         while( *++words ) {
 217                 buffer_add( gbuf, " " );
 218                 buffer_add( gbuf, *words );
 219         }
 220         fprintf( stderr, "???: %s\n", gbuf->buf );
 221         buffer_free( gbuf );
 222
 223         return 0;
 224
 225 }
 226
 227
 228 static int parse_request( char* request ) {
 229
 230         if( request == NULL )
 231                 return 0;
 232
 233         char* original_request = strdup( request );
 234         char* words[COMMAND_BUFSIZE];
 235
 236         int ret_val = 0;
 237         int i = 0;
 238
 239
 240         char* req = request;
 241         char* cur_tok = strtok( req, " " );
 242
 243         if( cur_tok == NULL )
 244         {
 245                 free( original_request );
 246                 return 0;
 247         }
 248
 249         /* Load an array with pointers to    */
 250         /* the tokens as defined by strtok() */
 251
 252         while(cur_tok != NULL) {
 253                 if( i < COMMAND_BUFSIZE - 1 ) {
 254                         words[i++] = cur_tok;
 255                         cur_tok = strtok( NULL, " " );
 256                 } else {
 257                         fprintf( stderr, "Too many tokens in command\n" );
 258                         free( original_request );
 259                         return 1;
 260                 }
 261         }
 262
 263         words[i] = NULL;
 264
 265         /* pass off to the top level command */
 266         if( !strcmp(words[0],"router") )
 267                 ret_val = handle_router( words );
 268
 269         else if( !strcmp(words[0],"time") )
 270                 ret_val = handle_time( words );
 271
 272         else if (!strcmp(words[0],"request"))
 273                 ret_val = handle_request( words, 0 );
 274
 275         else if (!strcmp(words[0],"relay"))
 276                 ret_val = handle_request( words, 1 );
 277
 278         else if (!strcmp(words[0],"help"))
 279                 ret_val = print_help();
 280
 281         else if (!strcmp(words[0],"set"))
 282                 ret_val = handle_set(words);
 283
 284         else if (!strcmp(words[0],"print"))
 285                 ret_val = handle_print(words);
 286
 287         else if (!strcmp(words[0],"math_bench"))
 288                 ret_val = handle_math(words);
 289
 290         else if (!strcmp(words[0],"introspect"))
 291                 ret_val = handle_introspect(words);
 292
 293         else if (!strcmp(words[0],"login"))
 294                 ret_val = handle_login(words);
 295
 296         else if (words[0][0] == '!') {
 297                 system( original_request + 1 );
 298                 ret_val = 1;
 299         }
 300
 301         free( original_request );
 302
 303         if(!ret_val)
 304                 return parse_error( words );
 305         else
 306                 return 1;
 307 }
 308
 309
 310 static int handle_introspect(char* words[]) {
 311
 312         if( ! words[1] )
 313                 return 0;
 314
 315         fprintf(stderr, "--> %s\n", words[1]);
 316
 317         // Build a command in a suitably-sized
 318         // buffer and then parse it
 319
 320         size_t len;
 321         if( words[2] ) {
 322                 static const char text[] = "request %s opensrf.system.method %s";
 323                 len = sizeof( text ) + strlen( words[1] ) + strlen( words[2] );
 324                 char buf[len];
 325                 sprintf( buf, text, words[1], words[2] );
 326                 return parse_request( buf );
 327
 328         } else {
 329                 static const char text[] = "request %s opensrf.system.method.all";
 330                 len = sizeof( text ) + strlen( words[1] );
 331                 char buf[len];
 332                 sprintf( buf, text, words[1] );
 333                 return parse_request( buf );
 334
 335         }
 336 }
 337
 338
 339 static int handle_login( char* words[]) {
 340
 341         if( words[1] && words[2]) {
 342
 343                 char* username          = words[1];
 344                 char* password          = words[2];
 345                 char* type                      = words[3];
 346                 char* orgloc            = words[4];
 347                 char* workstation       = words[5];
 348                 int orgloci = (orgloc) ? atoi(orgloc) : 0;
 349                 if(!type) type = "opac";
 350
 351                 char login_text[] = "request open-ils.auth open-ils.auth.authenticate.init \"%s\"";
 352                 size_t len = sizeof( login_text ) + strlen(username);
 353
 354                 char buf[len];
 355                 buf[0] = '\0';
 356                 sprintf( buf, login_text, username );
 357                 parse_request(buf);
 358
 359                 const char* hash;
 360                 if(last_result && last_result->_result_content) {
 361                         jsonObject* r = last_result->_result_content;
 362                         hash = jsonObjectGetString(r);
 363                 } else return 0;
 364
 365
 366                 char* pass_buf = md5sum(password);
 367
 368                 size_t both_len = strlen( hash ) + strlen( pass_buf ) + 1;
 369                 char both_buf[both_len];
 370                 both_buf[0] = '\0';
 371                 sprintf(both_buf,"%s%s",hash, pass_buf);
 372
 373                 char* mess_buf = md5sum(both_buf);
 374
 375                 growing_buffer* argbuf = buffer_init(64);
 376                 buffer_fadd(argbuf,
 377                                 "request open-ils.auth open-ils.auth.authenticate.complete "
 378                                 "{ \"username\" : \"%s\", \"password\" : \"%s\"", username, mess_buf );
 379
 380                 if(type) buffer_fadd( argbuf, ", \"type\" : \"%s\"", type );
 381                 if(orgloci) buffer_fadd( argbuf, ", \"org\" : %d", orgloci );
 382                 if(workstation) buffer_fadd( argbuf, ", \"workstation\" : \"%s\"", workstation);
 383                 buffer_add(argbuf, "}");
 384
 385                 free(pass_buf);
 386                 free(mess_buf);
 387
 388                 parse_request( argbuf->buf );
 389                 buffer_free(argbuf);
 390
 391                 if( login_session != NULL )
 392                         free( login_session );
 393
 394                 const jsonObject* x = last_result->_result_content;
 395                 double authtime = 0;
 396                 if(x) {
 397                         const char* authtoken = jsonObjectGetString(
 398                                         jsonObjectGetKeyConst(jsonObjectGetKeyConst(x,"payload"), "authtoken"));
 399                         authtime  = jsonObjectGetNumber(
 400                                         jsonObjectGetKeyConst(jsonObjectGetKeyConst(x,"payload"), "authtime"));
 401
 402                         if(authtoken)
 403                                 login_session = strdup(authtoken);
 404                         else
 405                                 login_session = NULL;
 406                 }
 407                 else login_session = NULL;
 408
 409                 printf("Login Session: %s.  Session timeout: %f\n",
 410                            (login_session ? login_session : "(none)"), authtime );
 411
 412                 return 1;
 413
 414         }
 415
 416         return 0;
 417 }
 418
 419 static int handle_set( char* words[]) {
 420
 421         char* variable;
 422         if( (variable=words[1]) ) {
 423
 424                 char* val;
 425                 if( (val=words[2]) ) {
 426
 427                         if(!strcmp(variable,"pretty_print")) {
 428                                 if(!strcmp(val,"true")) {
 429                                         pretty_print = 1;
 430                                         printf("pretty_print = true\n");
 431                                         return 1;
 432                                 }
 433                                 if(!strcmp(val,"false")) {
 434                                         pretty_print = 0;
 435                                         printf("pretty_print = false\n");
 436                                         return 1;
 437                                 }
 438                         }
 439
 440                         if(!strcmp(variable,"raw_print")) {
 441                                 if(!strcmp(val,"true")) {
 442                                         raw_print = 1;
 443                                         printf("raw_print = true\n");
 444                                         return 1;
 445                                 }
 446                                 if(!strcmp(val,"false")) {
 447                                         raw_print = 0;
 448                                         printf("raw_print = false\n");
 449                                         return 1;
 450                                 }
 451                         }
 452
 453                 }
 454         }
 455
 456         return 0;
 457 }
 458
 459
 460 static int handle_print( char* words[]) {
 461
 462         char* variable;
 463         if( (variable=words[1]) ) {
 464                 if(!strcmp(variable,"pretty_print")) {
 465                         if(pretty_print) {
 466                                 printf("pretty_print = true\n");
 467                                 return 1;
 468                         } else {
 469                                 printf("pretty_print = false\n");
 470                                 return 1;
 471                         }
 472                 }
 473
 474                 if(!strcmp(variable,"raw_print")) {
 475                         if(raw_print) {
 476                                 printf("raw_print = true\n");
 477                                 return 1;
 478                         } else {
 479                                 printf("raw_print = false\n");
 480                                 return 1;
 481                         }
 482                 }
 483
 484                 if(!strcmp(variable,"login")) {
 485                         printf("login session = %s\n",
 486                                    login_session ? login_session : "(none)" );
 487                         return 1;
 488                 }
 489
 490         }
 491         return 0;
 492 }
 493
 494 static int handle_router( char* words[] ) {
 495
 496         if(!client)
 497                 return 1;
 498
 499         int i;
 500
 501         if( words[1] ) {
 502                 if( !strcmp(words[1],"query") ) {
 503
 504                         if( words[2] && !strcmp(words[2],"servers") ) {
 505                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
 506                                         router_query_servers( words[i] );
 507                                 }
 508                                 return 1;
 509                         }
 510                         return 0;
 511                 }
 512                 return 0;
 513         }
 514         return 0;
 515 }
 516
 517
 518
 519 static int handle_request( char* words[], int relay ) {
 520
 521         if(!client)
 522                 return 1;
 523
 524         if(words[1]) {
 525                 char* server = words[1];
 526                 char* method = words[2];
 527                 int i;
 528                 growing_buffer* buffer = NULL;
 529                 if(!relay) {
 530                         buffer = buffer_init(128);
 531                         buffer_add(buffer, "[");
 532                         for(i = 3; words[i] != NULL; i++ ) {
 533                                 /* removes trailing semicolon if user accidentally enters it */
 534                                 if( words[i][strlen(words[i])-1] == ';' )
 535                                         words[i][strlen(words[i])-1] = '\0';
 536                                 buffer_add( buffer, words[i] );
 537                                 buffer_add(buffer, " ");
 538                         }
 539                         buffer_add(buffer, "]");
 540                 }
 541
 542                 return send_request( server, method, buffer, relay );
 543         }
 544
 545         return 0;
 546 }
 547
 548 int send_request( char* server,
 549                 char* method, growing_buffer* buffer, int relay ) {
 550         if( server == NULL || method == NULL )
 551                 return 0;
 552
 553         jsonObject* params = NULL;
 554         if( !relay ) {
 555                 if( buffer != NULL && buffer->n_used > 0 )
 556                         params = jsonParseString(buffer->buf);
 557         } else {
 558                 if(!last_result || ! last_result->_result_content) {
 559                         printf("We're not going to call 'relay' with no result params\n");
 560                         return 1;
 561                 }
 562                 else {
 563                         jsonObject* o = jsonNewObject(NULL);
 564                         jsonObjectPush(o, last_result->_result_content );
 565                         params = o;
 566                 }
 567         }
 568
 569
 570         if(buffer->n_used > 0 && params == NULL) {
 571                 fprintf(stderr, "JSON error detected, not executing\n");
 572                 return 1;
 573         }
 574
 575         osrf_app_session* session = osrf_app_client_session_init(server);
 576
 577         if(!osrf_app_session_connect(session)) {
 578                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
 579                 return 1;
 580         }
 581
 582         double start = get_timestamp_millis();
 583         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
 584         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
 585
 586
 587         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 588
 589         if(!omsg)
 590                 printf("\nReceived no data from server\n");
 591
 592
 593         signal(SIGPIPE, SIG_IGN);
 594
 595         FILE* less;
 596         if(!is_from_script) less = popen( "less -EX", "w");
 597         else less = stdout;
 598
 599         if( less == NULL ) { less = stdout; }
 600
 601         growing_buffer* resp_buffer = buffer_init(4096);
 602
 603         while(omsg) {
 604
 605                 if(raw_print) {
 606
 607                         if(omsg->_result_content) {
 608
 609                                 osrf_message_free(last_result);
 610                                 last_result = omsg;
 611
 612                                 char* content;
 613
 614                                 if( pretty_print ) {
 615                                         char* j = jsonObjectToJSON(omsg->_result_content);
 616                                         //content = json_printer(j);
 617                                         content = jsonFormatString(j);
 618                                         free(j);
 619                                 } else {
 620                                         const char * temp_content = jsonObjectGetString(omsg->_result_content);
 621                                         if( ! temp_content )
 622                                                 temp_content = "[null]";
 623                                         content = strdup( temp_content );
 624                                 }
 625
 626                                 printf( "\nReceived Data: %s\n", content );
 627                                 free(content);
 628
 629                         } else {
 630
 631                                 char code[16];
 632                                 memset(code, 0, 16);
 633                                 sprintf( code, "%d", omsg->status_code );
 634                                 buffer_add( resp_buffer, code );
 635
 636                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 637                                                 omsg->status_name, omsg->status_text, code );
 638
 639                                 fflush(stdout);
 640                         }
 641
 642                 } else {
 643
 644                         if(omsg->_result_content) {
 645
 646                                 osrf_message_free(last_result);
 647                                 last_result = omsg;
 648
 649                                 char* content;
 650
 651                                 if( pretty_print && omsg->_result_content ) {
 652                                         char* j = jsonObjectToJSON(omsg->_result_content);
 653                                         //content = json_printer(j);
 654                                         content = jsonFormatString(j);
 655                                         free(j);
 656                                 } else {
 657                                         const char * temp_content = jsonObjectGetString(omsg->_result_content);
 658                                         if( temp_content )
 659                                                 content = strdup( temp_content );
 660                                         else
 661                                                 content = NULL;
 662                                 }
 663
 664                                 buffer_add( resp_buffer, "\nReceived Data: " );
 665                                 buffer_add( resp_buffer, content );
 666                                 buffer_add( resp_buffer, "\n" );
 667                                 free(content);
 668
 669                         } else {
 670
 671                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 672                                 buffer_add( resp_buffer, omsg->status_name );
 673                                 buffer_add( resp_buffer, "\nStatus: " );
 674                                 buffer_add( resp_buffer, omsg->status_text );
 675                                 buffer_add( resp_buffer, "\nStatus: " );
 676                                 char code[16];
 677                                 memset(code, 0, 16);
 678                                 sprintf( code, "%d", omsg->status_code );
 679                                 buffer_add( resp_buffer, code );
 680                         }
 681                 }
 682
 683
 684                 omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 685
 686         }
 687
 688         double end = get_timestamp_millis();
 689
 690         fprintf( less, resp_buffer->buf );
 691         buffer_free( resp_buffer );
 692         fprintf( less, "\n------------------------------------\n");
 693         if( osrf_app_session_request_complete( session, req_id ))
 694                 fprintf(less, "Request Completed Successfully\n");
 695
 696
 697         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
 698         fprintf(less, "------------------------------------\n");
 699
 700         pclose(less);
 701
 702         osrf_app_session_request_finish( session, req_id );
 703         osrf_app_session_disconnect( session );
 704         osrf_app_session_destroy( session );
 705
 706
 707         return 1;
 708
 709
 710 }
 711
 712 static int handle_time( char* words[] ) {
 713         if(!words[1]) {
 714                 printf("%f\n", get_timestamp_millis());
 715     } else {
 716         time_t epoch = (time_t) atoi(words[1]);
 717                 printf("%s", ctime(&epoch));
 718     }
 719         return 1;
 720 }
 721
 722
 723
 724 static int router_query_servers( const char* router_server ) {
 725
 726         if( ! router_server || strlen(router_server) == 0 )
 727                 return 0;
 728
 729         const static char router_text[] = "router@%s/router";
 730         size_t len = sizeof( router_text ) + strlen( router_server );
 731         char rbuf[len];
 732         rbuf[0] = '\0';
 733         sprintf(rbuf, router_text, router_server );
 734
 735         transport_message* send =
 736                 message_init( "servers", NULL, NULL, rbuf, NULL );
 737         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 738
 739         client_send_message( client, send );
 740         message_free( send );
 741
 742         transport_message* recv = client_recv( client, -1 );
 743         if( recv == NULL ) {
 744                 fprintf(stderr, "NULL message received from router\n");
 745                 return 1;
 746         }
 747
 748         printf(
 749                         "---------------------------------------------------------------------------------\n"
 750                         "Received from 'server' query on %s\n"
 751                         "---------------------------------------------------------------------------------\n"
 752                         "original reg time | latest reg time | last used time | class | server\n"
 753                         "---------------------------------------------------------------------------------\n"
 754                         "%s"
 755                         "---------------------------------------------------------------------------------\n"
 756                         , router_server, recv->body );
 757
 758         message_free( recv );
 759
 760         return 1;
 761 }
 762
 763 static int print_help( void ) {
 764
 765         printf(
 766                         "---------------------------------------------------------------------------------\n"
 767                         "Commands:\n"
 768                         "---------------------------------------------------------------------------------\n"
 769                         "help                   - Display this message\n"
 770                         "!<command> [args]      - Forks and runs the given command in the shell\n"
 771                 /*
 772                         "time                   - Prints the current time\n"
 773                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 774                 */
 775                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 776                         "print <variable>       - Displays the value of a srfsh variable\n"
 777                         "---------------------------------------------------------------------------------\n"
 778
 779                         "router query servers <server1 [, server2, ...]>\n"
 780                         "       - Returns stats on connected services\n"
 781                         "\n"
 782                         "\n"
 783                         "request <service> <method> [ <json formatted string of params> ]\n"
 784                         "       - Anything passed in will be wrapped in a json array,\n"
 785                         "               so add commas if there is more than one param\n"
 786                         "\n"
 787                         "\n"
 788                         "relay <service> <method>\n"
 789                         "       - Performs the requested query using the last received result as the param\n"
 790                         "\n"
 791                         "\n"
 792                         "math_bench <num_batches> [0|1|2]\n"
 793                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 794                         "                2 means reconnect after every request\n"
 795                         "\n"
 796                         "introspect <service>\n"
 797                         "       - prints the API for the service\n"
 798                         "\n"
 799                         "\n"
 800                         "---------------------------------------------------------------------------------\n"
 801                         " Commands for Open-ILS\n"
 802                         "---------------------------------------------------------------------------------\n"
 803                         "login <username> <password>\n"
 804                         "       - Logs into the 'server' and displays the session id\n"
 805                         "       - To view the session id later, enter: print login\n"
 806                         "---------------------------------------------------------------------------------\n"
 807                         "\n"
 808                         "\n"
 809                         "Note: long output is piped through 'less'. To search in 'less', type: /<search>\n"
 810                         "---------------------------------------------------------------------------------\n"
 811                         "\n"
 812                         );
 813
 814         return 1;
 815 }
 816
 817
 818 /*
 819 static char* tabs(int count) {
 820         growing_buffer* buf = buffer_init(24);
 821         int i;
 822         for(i=0;i!=count;i++)
 823                 buffer_add(buf, "  ");
 824
 825         char* final = buffer_data( buf );
 826         buffer_free( buf );
 827         return final;
 828 }
 829 */
 830
 831
 832 static int handle_math( char* words[] ) {
 833         if( words[1] )
 834                 return do_math( atoi(words[1]), 0 );
 835         return 0;
 836 }
 837
 838
 839 static int do_math( int count, int style ) {
 840
 841         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
 842         osrf_app_session_connect(session);
 843
 844         jsonObject* params = jsonParseString("[]");
 845         jsonObjectPush(params,jsonNewObject("1"));
 846         jsonObjectPush(params,jsonNewObject("2"));
 847
 848         char* methods[] = { "add", "sub", "mult", "div" };
 849         char* answers[] = { "3", "-1", "2", "0.500000" };
 850
 851         float times[ count * 4 ];
 852         memset(times,0,count*4);
 853
 854         int k;
 855         for(k=0;k!=100;k++) {
 856                 if(!(k%10))
 857                         fprintf(stderr,"|");
 858                 else
 859                         fprintf(stderr,".");
 860         }
 861
 862         fprintf(stderr,"\n\n");
 863
 864         int running = 0;
 865         int i;
 866         for(i=0; i!= count; i++) {
 867
 868                 int j;
 869                 for(j=0; j != 4; j++) {
 870
 871                         ++running;
 872
 873                         double start = get_timestamp_millis();
 874                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
 875                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
 876                         double end = get_timestamp_millis();
 877
 878                         times[(4*i) + j] = end - start;
 879
 880                         if(omsg) {
 881
 882                                 if(omsg->_result_content) {
 883                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
 884                                         if(!strcmp(jsn, answers[j]))
 885                                                 fprintf(stderr, "+");
 886                                         else
 887                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
 888                                         free(jsn);
 889                                 }
 890
 891
 892                                 osrf_message_free(omsg);
 893
 894                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
 895
 896                         osrf_app_session_request_finish( session, req_id );
 897
 898                         if(style == 2)
 899                                 osrf_app_session_disconnect( session );
 900
 901                         if(!(running%100))
 902                                 fprintf(stderr,"\n");
 903                 }
 904
 905                 if(style==1)
 906                         osrf_app_session_disconnect( session );
 907         }
 908
 909         osrf_app_session_destroy( session );
 910         jsonObjectFree(params);
 911
 912         int c;
 913         float total = 0;
 914         for(c=0; c!= count*4; c++)
 915                 total += times[c];
 916
 917         float avg = total / (count*4);
 918         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
 919
 920         return 1;
 921 }