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 <sys/timeb.h>
   6 #include <sys/types.h>
   7 #include <sys/wait.h>
   8
   9 #include <opensrf/utils.h>
  10 #include <opensrf/log.h>
  11
  12 #include <signal.h>
  13
  14 #include <stdio.h>
  15 #include <readline/readline.h>
  16 #include <readline/history.h>
  17
  18 #define SRFSH_PORT 5222
  19 #define COMMAND_BUFSIZE 4096
  20
  21
  22 /* shell prompt */
  23 static const char* prompt = "srfsh# ";
  24
  25 static char* history_file = NULL;
  26
  27 //static int child_dead = 0;
  28
  29 static char* login_session = NULL;
  30
  31 /* true if we're pretty printing json results */
  32 static int pretty_print = 1;
  33 /* true if we're bypassing 'less' */
  34 static int raw_print = 0;
  35
  36 /* our jabber connection */
  37 static transport_client* client = NULL;
  38
  39 /* the last result we received */
  40 static osrf_message* last_result = NULL;
  41
  42 /* functions */
  43 static int parse_request( char* request );
  44
  45 /* handles router requests */
  46 static int handle_router( char* words[] );
  47
  48 /* utility method for print time data */
  49 /* static int handle_time( char* words[] ); */
  50
  51 /* handles app level requests */
  52 static int handle_request( char* words[], int relay );
  53 static int handle_set( char* words[]);
  54 static int handle_print( char* words[]);
  55 static int send_request( char* server,
  56                                   char* method, growing_buffer* buffer, int relay );
  57 static int parse_error( char* words[] );
  58 static int router_query_servers( const char* server );
  59 static int print_help( void );
  60
  61 //static int srfsh_client_connect();
  62 //static char* tabs(int count);
  63 //static void sig_child_handler( int s );
  64 //static void sig_int_handler( int s );
  65
  66 static int load_history( void );
  67 static int handle_math( char* words[] );
  68 static int do_math( int count, int style );
  69 static int handle_introspect(char* words[]);
  70 static int handle_login( char* words[]);
  71
  72 static int recv_timeout = 120;
  73 static int is_from_script = 0;
  74
  75 int main( int argc, char* argv[] ) {
  76
  77         /* --------------------------------------------- */
  78         /* see if they have a .srfsh.xml in their home directory */
  79         char* home = getenv("HOME");
  80         int l = strlen(home) + 36;
  81         char fbuf[l];
  82         memset(fbuf, 0, l);
  83         sprintf(fbuf,"%s/.srfsh.xml",home);
  84
  85         if(!access(fbuf, R_OK)) {
  86                 if( ! osrf_system_bootstrap_client(fbuf, "srfsh") ) {
  87                         fprintf(stderr,"Unable to bootstrap client for requests\n");
  88                         osrfLogError( OSRF_LOG_MARK,  "Unable to bootstrap client for requests");
  89                         return -1;
  90                 }
  91
  92         } else {
  93                 fprintf(stderr,"No Config file found at %s\n", fbuf );
  94                 return -1;
  95         }
  96
  97         if(argc > 1) {
  98                 /* for now.. the first arg is used as a script file for processing */
  99                 int f;
 100                 if( (f = open(argv[1], O_RDONLY)) == -1 ) {
 101                         osrfLogError( OSRF_LOG_MARK, "Unable to open file %s for reading, exiting...", argv[1]);
 102                         return -1;
 103                 }
 104
 105                 if(dup2(f, STDIN_FILENO) == -1) {
 106                         osrfLogError( OSRF_LOG_MARK, "Unable to duplicate STDIN, exiting...");
 107                         return -1;
 108                 }
 109
 110                 close(f);
 111                 is_from_script = 1;
 112         }
 113
 114         /* --------------------------------------------- */
 115         load_history();
 116
 117
 118         client = osrf_system_get_transport_client();
 119
 120         /* main process loop */
 121         char* request;
 122         while((request=readline(prompt))) {
 123
 124                 if( !strcasecmp(request, "exit") || !strcasecmp(request,"quit"))
 125                         break;
 126
 127                 char* req_copy = strdup(request);
 128
 129                 parse_request( req_copy );
 130                 if( request && strlen(request) > 1 ) {
 131                         add_history(request);
 132                 }
 133
 134                 free(request);
 135                 free(req_copy);
 136
 137                 fflush(stderr);
 138                 fflush(stdout);
 139         }
 140
 141         if(history_file != NULL )
 142                 write_history(history_file);
 143
 144         free(request);
 145
 146         osrf_system_shutdown();
 147         return 0;
 148 }
 149
 150 /*
 151 static void sig_child_handler( int s ) {
 152         child_dead = 1;
 153 }
 154 */
 155
 156 /*
 157 void sig_int_handler( int s ) {
 158         printf("\n");
 159         caught_sigint = 1;
 160         signal(SIGINT,sig_int_handler);
 161 }
 162 */
 163
 164 static int load_history( void ) {
 165
 166         char* home = getenv("HOME");
 167         int l = strlen(home) + 24;
 168         char fbuf[l];
 169
 170         memset(fbuf, 0, l);
 171         sprintf(fbuf,"%s/.srfsh_history",home);
 172         history_file = strdup(fbuf);
 173
 174         if(!access(history_file, W_OK | R_OK )) {
 175                 history_length = 5000;
 176                 read_history(history_file);
 177         }
 178         return 1;
 179 }
 180
 181
 182 static int parse_error( char* words[] ) {
 183
 184         if( ! words )
 185                 return 0;
 186
 187         growing_buffer * gbuf = buffer_init( 64 );
 188         buffer_add( gbuf, *words );
 189         while( *++words ) {
 190                 buffer_add( gbuf, " " );
 191                 buffer_add( gbuf, *words );
 192         }
 193         fprintf( stderr, "???: %s\n", gbuf->buf );
 194         buffer_free( gbuf );
 195
 196         return 0;
 197
 198 }
 199
 200
 201 static int parse_request( char* request ) {
 202
 203         if( request == NULL )
 204                 return 0;
 205
 206         char* original_request = strdup( request );
 207         char* words[COMMAND_BUFSIZE];
 208
 209         int ret_val = 0;
 210         int i = 0;
 211
 212
 213         char* req = request;
 214         char* cur_tok = strtok( req, " " );
 215
 216         if( cur_tok == NULL )
 217         {
 218                 free( original_request );
 219                 return 0;
 220         }
 221
 222         /* Load an array with pointers to    */
 223         /* the tokens as defined by strtok() */
 224
 225         while(cur_tok != NULL) {
 226                 if( i < COMMAND_BUFSIZE - 1 ) {
 227                         words[i++] = cur_tok;
 228                         cur_tok = strtok( NULL, " " );
 229                 } else {
 230                         fprintf( stderr, "Too many tokens in command\n" );
 231                         free( original_request );
 232                         return 1;
 233                 }
 234         }
 235
 236         words[i] = NULL;
 237
 238         /* pass off to the top level command */
 239         if( !strcmp(words[0],"router") )
 240                 ret_val = handle_router( words );
 241
 242         /*
 243         else if( !strcmp(words[0],"time") )
 244                 ret_val = handle_time( words );
 245                 */
 246
 247         else if (!strcmp(words[0],"request"))
 248                 ret_val = handle_request( words, 0 );
 249
 250         else if (!strcmp(words[0],"relay"))
 251                 ret_val = handle_request( words, 1 );
 252
 253         else if (!strcmp(words[0],"help"))
 254                 ret_val = print_help();
 255
 256         else if (!strcmp(words[0],"set"))
 257                 ret_val = handle_set(words);
 258
 259         else if (!strcmp(words[0],"print"))
 260                 ret_val = handle_print(words);
 261
 262         else if (!strcmp(words[0],"math_bench"))
 263                 ret_val = handle_math(words);
 264
 265         else if (!strcmp(words[0],"introspect"))
 266                 ret_val = handle_introspect(words);
 267
 268         else if (!strcmp(words[0],"login"))
 269                 ret_val = handle_login(words);
 270
 271         else if (words[0][0] == '!') {
 272                 system( original_request + 1 );
 273                 ret_val = 1;
 274         }
 275
 276         free( original_request );
 277
 278         if(!ret_val)
 279                 return parse_error( words );
 280         else
 281                 return 1;
 282 }
 283
 284
 285 static int handle_introspect(char* words[]) {
 286
 287         if(words[1] && words[2]) {
 288                 fprintf(stderr, "--> %s\n", words[1]);
 289                 char buf[256];
 290                 memset(buf,0,256);
 291                 sprintf( buf, "request %s opensrf.system.method %s", words[1], words[2] );
 292                 return parse_request( buf );
 293
 294         } else {
 295
 296                 if(words[1]) {
 297                         fprintf(stderr, "--> %s\n", words[1]);
 298                         char buf[256];
 299                         memset(buf,0,256);
 300                         sprintf( buf, "request %s opensrf.system.method.all", words[1] );
 301                         return parse_request( buf );
 302                 }
 303         }
 304
 305         return 0;
 306 }
 307
 308
 309 static int handle_login( char* words[]) {
 310
 311         if( words[1] && words[2]) {
 312
 313                 char* username          = words[1];
 314                 char* password          = words[2];
 315                 char* type                      = words[3];
 316                 char* orgloc            = words[4];
 317                 char* workstation       = words[5];
 318                 int orgloci = (orgloc) ? atoi(orgloc) : 0;
 319                 if(!type) type = "opac";
 320
 321                 char buf[256];
 322                 memset(buf,0,256);
 323
 324                 char buf2[256];
 325                 memset(buf2,0,256);
 326
 327                 sprintf( buf,
 328                                 "request open-ils.auth open-ils.auth.authenticate.init \"%s\"", username );
 329                 parse_request(buf);
 330
 331                 char* hash;
 332                 if(last_result && last_result->_result_content) {
 333                         jsonObject* r = last_result->_result_content;
 334                         hash = jsonObjectGetString(r);
 335                 } else return 0;
 336
 337
 338                 char* pass_buf = md5sum(password);
 339
 340                 char both_buf[256];
 341                 memset(both_buf,0,256);
 342                 sprintf(both_buf,"%s%s",hash, pass_buf);
 343
 344                 char* mess_buf = md5sum(both_buf);
 345
 346                 /*
 347                 sprintf( buf2, "request open-ils.auth open-ils.auth.authenticate.complete "
 348                                 "{ \"username\" : \"%s\", \"password\" : \"%s\", "
 349                                 "\"type\" : \"%s\", \"org\" : %d, \"workstation\": \"%s\"}",
 350                                 username, mess_buf, type, orgloci, workstation );
 351                                 */
 352
 353                 growing_buffer* argbuf = buffer_init(64);
 354                 buffer_fadd(argbuf,
 355                                 "request open-ils.auth open-ils.auth.authenticate.complete "
 356                                 "{ \"username\" : \"%s\", \"password\" : \"%s\"", username, mess_buf );
 357
 358                 if(type) buffer_fadd( argbuf, ", \"type\" : \"%s\"", type );
 359                 if(orgloci) buffer_fadd( argbuf, ", \"org\" : %d", orgloci );
 360                 if(workstation) buffer_fadd( argbuf, ", \"workstation\" : \"%s\"", workstation);
 361                 buffer_add(argbuf, "}");
 362
 363                 free(pass_buf);
 364                 free(mess_buf);
 365
 366                 parse_request( argbuf->buf );
 367                 buffer_free(argbuf);
 368
 369                 jsonObject* x = last_result->_result_content;
 370                 double authtime = 0;
 371                 if(x) {
 372                         char* authtoken = jsonObjectGetString(
 373                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtoken"));
 374                         authtime  = jsonObjectGetNumber(
 375                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtime"));
 376                         if(authtoken) login_session = strdup(authtoken);
 377                         else login_session = NULL;
 378                 }
 379                 else login_session = NULL;
 380
 381                 printf("Login Session: %s.  Session timeout: %f\n", login_session, authtime );
 382
 383                 return 1;
 384
 385         }
 386
 387         return 0;
 388 }
 389
 390 static int handle_set( char* words[]) {
 391
 392         char* variable;
 393         if( (variable=words[1]) ) {
 394
 395                 char* val;
 396                 if( (val=words[2]) ) {
 397
 398                         if(!strcmp(variable,"pretty_print")) {
 399                                 if(!strcmp(val,"true")) {
 400                                         pretty_print = 1;
 401                                         printf("pretty_print = true\n");
 402                                         return 1;
 403                                 }
 404                                 if(!strcmp(val,"false")) {
 405                                         pretty_print = 0;
 406                                         printf("pretty_print = false\n");
 407                                         return 1;
 408                                 }
 409                         }
 410
 411                         if(!strcmp(variable,"raw_print")) {
 412                                 if(!strcmp(val,"true")) {
 413                                         raw_print = 1;
 414                                         printf("raw_print = true\n");
 415                                         return 1;
 416                                 }
 417                                 if(!strcmp(val,"false")) {
 418                                         raw_print = 0;
 419                                         printf("raw_print = false\n");
 420                                         return 1;
 421                                 }
 422                         }
 423
 424                 }
 425         }
 426
 427         return 0;
 428 }
 429
 430
 431 static int handle_print( char* words[]) {
 432
 433         char* variable;
 434         if( (variable=words[1]) ) {
 435                 if(!strcmp(variable,"pretty_print")) {
 436                         if(pretty_print) {
 437                                 printf("pretty_print = true\n");
 438                                 return 1;
 439                         } else {
 440                                 printf("pretty_print = false\n");
 441                                 return 1;
 442                         }
 443                 }
 444
 445                 if(!strcmp(variable,"login")) {
 446                         printf("login session = %s\n", login_session );
 447                         return 1;
 448                 }
 449
 450         }
 451         return 0;
 452 }
 453
 454 static int handle_router( char* words[] ) {
 455
 456         if(!client)
 457                 return 1;
 458
 459         int i;
 460
 461         if( words[1] ) {
 462                 if( !strcmp(words[1],"query") ) {
 463
 464                         if( words[2] && !strcmp(words[2],"servers") ) {
 465                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
 466                                         router_query_servers( words[i] );
 467                                 }
 468                                 return 1;
 469                         }
 470                         return 0;
 471                 }
 472                 return 0;
 473         }
 474         return 0;
 475 }
 476
 477
 478
 479 static int handle_request( char* words[], int relay ) {
 480
 481         if(!client)
 482                 return 1;
 483
 484         if(words[1]) {
 485                 char* server = words[1];
 486                 char* method = words[2];
 487                 int i;
 488                 growing_buffer* buffer = NULL;
 489                 if(!relay) {
 490                         buffer = buffer_init(128);
 491                         buffer_add(buffer, "[");
 492                         for(i = 3; words[i] != NULL; i++ ) {
 493                                 /* removes trailing semicolon if user accidentally enters it */
 494                                 if( words[i][strlen(words[i])-1] == ';' )
 495                                         words[i][strlen(words[i])-1] = '\0';
 496                                 buffer_add( buffer, words[i] );
 497                                 buffer_add(buffer, " ");
 498                         }
 499                         buffer_add(buffer, "]");
 500                 }
 501
 502                 return send_request( server, method, buffer, relay );
 503         }
 504
 505         return 0;
 506 }
 507
 508 int send_request( char* server,
 509                 char* method, growing_buffer* buffer, int relay ) {
 510         if( server == NULL || method == NULL )
 511                 return 0;
 512
 513         jsonObject* params = NULL;
 514         if( !relay ) {
 515                 if( buffer != NULL && buffer->n_used > 0 )
 516                         params = json_parse_string(buffer->buf);
 517         } else {
 518                 if(!last_result || ! last_result->_result_content) {
 519                         printf("We're not going to call 'relay' with no result params\n");
 520                         return 1;
 521                 }
 522                 else {
 523                         jsonObject* o = jsonNewObject(NULL);
 524                         jsonObjectPush(o, last_result->_result_content );
 525                         params = o;
 526                 }
 527         }
 528
 529
 530         if(buffer->n_used > 0 && params == NULL) {
 531                 fprintf(stderr, "JSON error detected, not executing\n");
 532                 return 1;
 533         }
 534
 535         osrf_app_session* session = osrf_app_client_session_init(server);
 536
 537         if(!osrf_app_session_connect(session)) {
 538                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
 539                 return 1;
 540         }
 541
 542         double start = get_timestamp_millis();
 543         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
 544         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
 545
 546
 547         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 548
 549         if(!omsg)
 550                 printf("\nReceived no data from server\n");
 551
 552
 553         signal(SIGPIPE, SIG_IGN);
 554
 555         FILE* less;
 556         if(!is_from_script) less = popen( "less -EX", "w");
 557         else less = stdout;
 558
 559         if( less == NULL ) { less = stdout; }
 560
 561         growing_buffer* resp_buffer = buffer_init(4096);
 562
 563         while(omsg) {
 564
 565                 if(raw_print) {
 566
 567                         if(omsg->_result_content) {
 568
 569                                 osrf_message_free(last_result);
 570                                 last_result = omsg;
 571
 572                                 char* content;
 573
 574                                 if( pretty_print && omsg->_result_content ) {
 575                                         char* j = jsonObjectToJSON(omsg->_result_content);
 576                                         //content = json_printer(j);
 577                                         content = jsonFormatString(j);
 578                                         free(j);
 579                                 } else
 580                                         content = jsonObjectGetString(omsg->_result_content);
 581
 582                                 printf( "\nReceived Data: %s\n", content );
 583                                 free(content);
 584
 585                         } else {
 586
 587                                 char code[16];
 588                                 memset(code, 0, 16);
 589                                 sprintf( code, "%d", omsg->status_code );
 590                                 buffer_add( resp_buffer, code );
 591
 592                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 593                                                 omsg->status_name, omsg->status_text, code );
 594
 595                                 fflush(stdout);
 596                         }
 597
 598                 } else {
 599
 600                         if(omsg->_result_content) {
 601
 602                                 osrf_message_free(last_result);
 603                                 last_result = omsg;
 604
 605                                 char* content;
 606
 607                                 if( pretty_print && omsg->_result_content ) {
 608                                         char* j = jsonObjectToJSON(omsg->_result_content);
 609                                         //content = json_printer(j);
 610                                         content = jsonFormatString(j);
 611                                         free(j);
 612                                 } else
 613                                         content = jsonObjectGetString(omsg->_result_content);
 614
 615                                 buffer_add( resp_buffer, "\nReceived Data: " );
 616                                 buffer_add( resp_buffer, content );
 617                                 buffer_add( resp_buffer, "\n" );
 618                                 free(content);
 619
 620                         } else {
 621
 622                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 623                                 buffer_add( resp_buffer, omsg->status_name );
 624                                 buffer_add( resp_buffer, "\nStatus: " );
 625                                 buffer_add( resp_buffer, omsg->status_text );
 626                                 buffer_add( resp_buffer, "\nStatus: " );
 627                                 char code[16];
 628                                 memset(code, 0, 16);
 629                                 sprintf( code, "%d", omsg->status_code );
 630                                 buffer_add( resp_buffer, code );
 631                         }
 632                 }
 633
 634
 635                 omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 636
 637         }
 638
 639         double end = get_timestamp_millis();
 640
 641         fprintf( less, resp_buffer->buf );
 642         buffer_free( resp_buffer );
 643         fprintf( less, "\n------------------------------------\n");
 644         if( osrf_app_session_request_complete( session, req_id ))
 645                 fprintf(less, "Request Completed Successfully\n");
 646
 647
 648         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
 649         fprintf(less, "------------------------------------\n");
 650
 651         pclose(less);
 652
 653         osrf_app_session_request_finish( session, req_id );
 654         osrf_app_session_disconnect( session );
 655         osrf_app_session_destroy( session );
 656
 657
 658         return 1;
 659
 660
 661 }
 662
 663 /*
 664 static int handle_time( char* words[] ) {
 665
 666         if( ! words[1] ) {
 667
 668                 char buf[36];
 669                 memset(buf,0,36);
 670                 get_timestamp(buf);
 671                 printf( "%s\n", buf );
 672                 return 1;
 673         }
 674
 675         if( words[1] ) {
 676                 time_t epoch = (time_t)atoi( words[1] );
 677                 char* localtime = strdup( ctime( &epoch ) );
 678                 printf( "%s => %s", words[1], localtime );
 679                 free(localtime);
 680                 return 1;
 681         }
 682
 683         return 0;
 684
 685 }
 686 */
 687
 688
 689
 690 static int router_query_servers( const char* router_server ) {
 691
 692         if( ! router_server || strlen(router_server) == 0 )
 693                 return 0;
 694
 695         char rbuf[256];
 696         memset(rbuf,0,256);
 697         sprintf(rbuf,"router@%s/router", router_server );
 698
 699         transport_message* send =
 700                 message_init( "servers", NULL, NULL, rbuf, NULL );
 701         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 702
 703         client_send_message( client, send );
 704         message_free( send );
 705
 706         transport_message* recv = client_recv( client, -1 );
 707         if( recv == NULL ) {
 708                 fprintf(stderr, "NULL message received from router\n");
 709                 return 1;
 710         }
 711
 712         printf(
 713                         "---------------------------------------------------------------------------------\n"
 714                         "Received from 'server' query on %s\n"
 715                         "---------------------------------------------------------------------------------\n"
 716                         "original reg time | latest reg time | last used time | class | server\n"
 717                         "---------------------------------------------------------------------------------\n"
 718                         "%s"
 719                         "---------------------------------------------------------------------------------\n"
 720                         , router_server, recv->body );
 721
 722         message_free( recv );
 723
 724         return 1;
 725 }
 726
 727 static int print_help( void ) {
 728
 729         printf(
 730                         "---------------------------------------------------------------------------------\n"
 731                         "Commands:\n"
 732                         "---------------------------------------------------------------------------------\n"
 733                         "help                   - Display this message\n"
 734                         "!<command> [args] - Forks and runs the given command in the shell\n"
 735                 /*
 736                         "time                   - Prints the current time\n"
 737                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 738                 */
 739                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 740                         "print <variable>               - Displays the value of a srfsh variable\n"
 741                         "---------------------------------------------------------------------------------\n"
 742
 743                         "router query servers <server1 [, server2, ...]>\n"
 744                         "       - Returns stats on connected services\n"
 745                         "\n"
 746                         "\n"
 747                         "request <service> <method> [ <json formatted string of params> ]\n"
 748                         "       - Anything passed in will be wrapped in a json array,\n"
 749                         "               so add commas if there is more than one param\n"
 750                         "\n"
 751                         "\n"
 752                         "relay <service> <method>\n"
 753                         "       - Performs the requested query using the last received result as the param\n"
 754                         "\n"
 755                         "\n"
 756                         "math_bench <num_batches> [0|1|2]\n"
 757                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 758                         "                2 means reconnect after every request\n"
 759                         "\n"
 760                         "introspect <service>\n"
 761                         "       - prints the API for the service\n"
 762                         "\n"
 763                         "\n"
 764                         "---------------------------------------------------------------------------------\n"
 765                         " Commands for Open-ILS\n"
 766                         "---------------------------------------------------------------------------------\n"
 767                         "login <username> <password>\n"
 768                         "       -       Logs into the 'server' and displays the session id\n"
 769                         "       - To view the session id later, enter: print login\n"
 770                         "---------------------------------------------------------------------------------\n"
 771                         "\n"
 772                         "\n"
 773                         "Note: long output is piped through 'less'.  To search in 'less', type: /<search>\n"
 774                         "---------------------------------------------------------------------------------\n"
 775                         "\n"
 776                         );
 777
 778         return 1;
 779 }
 780
 781
 782 /*
 783 static char* tabs(int count) {
 784         growing_buffer* buf = buffer_init(24);
 785         int i;
 786         for(i=0;i!=count;i++)
 787                 buffer_add(buf, "  ");
 788
 789         char* final = buffer_data( buf );
 790         buffer_free( buf );
 791         return final;
 792 }
 793 */
 794
 795
 796 static int handle_math( char* words[] ) {
 797         if( words[1] )
 798                 return do_math( atoi(words[1]), 0 );
 799         return 0;
 800 }
 801
 802
 803 static int do_math( int count, int style ) {
 804
 805         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
 806         osrf_app_session_connect(session);
 807
 808         jsonObject* params = json_parse_string("[]");
 809         jsonObjectPush(params,jsonNewObject("1"));
 810         jsonObjectPush(params,jsonNewObject("2"));
 811
 812         char* methods[] = { "add", "sub", "mult", "div" };
 813         char* answers[] = { "3", "-1", "2", "0.500000" };
 814
 815         float times[ count * 4 ];
 816         memset(times,0,count*4);
 817
 818         int k;
 819         for(k=0;k!=100;k++) {
 820                 if(!(k%10))
 821                         fprintf(stderr,"|");
 822                 else
 823                         fprintf(stderr,".");
 824         }
 825
 826         fprintf(stderr,"\n\n");
 827
 828         int running = 0;
 829         int i;
 830         for(i=0; i!= count; i++) {
 831
 832                 int j;
 833                 for(j=0; j != 4; j++) {
 834
 835                         ++running;
 836
 837                         double start = get_timestamp_millis();
 838                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
 839                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
 840                         double end = get_timestamp_millis();
 841
 842                         times[(4*i) + j] = end - start;
 843
 844                         if(omsg) {
 845
 846                                 if(omsg->_result_content) {
 847                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
 848                                         if(!strcmp(jsn, answers[j]))
 849                                                 fprintf(stderr, "+");
 850                                         else
 851                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
 852                                         free(jsn);
 853                                 }
 854
 855
 856                                 osrf_message_free(omsg);
 857
 858                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
 859
 860                         osrf_app_session_request_finish( session, req_id );
 861
 862                         if(style == 2)
 863                                 osrf_app_session_disconnect( session );
 864
 865                         if(!(running%100))
 866                                 fprintf(stderr,"\n");
 867                 }
 868
 869                 if(style==1)
 870                         osrf_app_session_disconnect( session );
 871         }
 872
 873         osrf_app_session_destroy( session );
 874         jsonObjectFree(params);
 875
 876         int c;
 877         float total = 0;
 878         for(c=0; c!= count*4; c++)
 879                 total += times[c];
 880
 881         float avg = total / (count*4);
 882         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
 883
 884         return 1;
 885 }