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