src/srfsh/srfsh.c

   1 #include "srfsh.h"
   2
   3 int recv_timeout = 120;
   4 int is_from_script = 0;
   5 FILE* shell_writer = NULL;
   6 FILE* shell_reader = NULL;
   7
   8 int main( int argc, char* argv[] ) {
   9
  10         /* --------------------------------------------- */
  11         /* see if they have a .srfsh.xml in their home directory */
  12         char* home = getenv("HOME");
  13         int l = strlen(home) + 36;
  14         char fbuf[l];
  15         memset(fbuf, 0, l);
  16         sprintf(fbuf,"%s/.srfsh.xml",home);
  17
  18         if(!access(fbuf, R_OK)) {
  19                 if( ! osrf_system_bootstrap_client(fbuf, "srfsh") ) {
  20                         fprintf(stderr,"Unable to bootstrap client for requests\n");
  21                         osrfLogError( OSRF_LOG_MARK,  "Unable to bootstrap client for requests");
  22                         return -1;
  23                 }
  24
  25         } else {
  26                 fprintf(stderr,"No Config file found at %s\n", fbuf );
  27                 return -1;
  28         }
  29
  30         if(argc > 1) {
  31                 /* for now.. the first arg is used as a script file for processing */
  32                 int f;
  33                 if( (f = open(argv[1], O_RDONLY)) == -1 ) {
  34                         osrfLogError( OSRF_LOG_MARK, "Unable to open file %s for reading, exiting...", argv[1]);
  35                         return -1;
  36                 }
  37
  38                 if(dup2(f, STDIN_FILENO) == -1) {
  39                         osrfLogError( OSRF_LOG_MARK, "Unable to duplicate STDIN, exiting...");
  40                         return -1;
  41                 }
  42
  43                 close(f);
  44                 is_from_script = 1;
  45         }
  46
  47         /* --------------------------------------------- */
  48         load_history();
  49
  50
  51         client = osrf_system_get_transport_client();
  52
  53         /* open the shell handle */
  54         shell_writer = popen( "bash", "w");
  55         //shell_reader = popen( "bash", "r");
  56
  57         /* main process loop */
  58         char* request;
  59         while((request=readline(prompt))) {
  60
  61                 if( !strcasecmp(request, "exit") || !strcasecmp(request,"quit"))
  62                         break;
  63
  64                 char* req_copy = strdup(request);
  65
  66                 parse_request( req_copy );
  67                 if( request && strlen(request) > 1 ) {
  68                         add_history(request);
  69                 }
  70
  71                 free(request);
  72                 free(req_copy);
  73
  74                 fflush(shell_writer);
  75                 fflush(stderr);
  76                 fflush(stdout);
  77         }
  78
  79         if(history_file != NULL )
  80                 write_history(history_file);
  81
  82         free(request);
  83
  84         osrf_system_shutdown();
  85         return 0;
  86 }
  87
  88 void sig_child_handler( int s ) {
  89         child_dead = 1;
  90 }
  91
  92 /*
  93 void sig_int_handler( int s ) {
  94         printf("\n");
  95         caught_sigint = 1;
  96         signal(SIGINT,sig_int_handler);
  97 }
  98 */
  99
 100 int load_history() {
 101
 102         char* home = getenv("HOME");
 103         int l = strlen(home) + 24;
 104         char fbuf[l];
 105
 106         memset(fbuf, 0, l);
 107         sprintf(fbuf,"%s/.srfsh_history",home);
 108         history_file = strdup(fbuf);
 109
 110         if(!access(history_file, W_OK | R_OK )) {
 111                 history_length = 5000;
 112                 read_history(history_file);
 113         }
 114         return 1;
 115 }
 116
 117
 118 int parse_error( char* words[] ) {
 119
 120         if( ! words )
 121                 return 0;
 122
 123
 124         int i = 0;
 125         char* current;
 126         char buffer[256];
 127         memset(buffer, 0, 256);
 128         while( (current=words[i++]) ) {
 129                 strcat(buffer, current);
 130                 strcat(buffer, " ");
 131         }
 132         if( ! buffer || strlen(buffer) < 1 )
 133                 printf("\n");
 134
 135         fprintf( stderr, "???: %s\n", buffer );
 136         return 0;
 137
 138 }
 139
 140
 141 int parse_request( char* request ) {
 142
 143         if( request == NULL )
 144                 return 0;
 145
 146         int ret_val = 0;
 147         int i = 0;
 148         char* words[COMMAND_BUFSIZE];
 149         memset(words,0,COMMAND_BUFSIZE);
 150         char* req = request;
 151
 152         char* cur_tok = strtok( req, " " );
 153
 154         if( cur_tok == NULL )
 155                 return 0;
 156
 157         while(cur_tok != NULL) {
 158                 words[i++] = cur_tok;
 159                 cur_tok = strtok( NULL, " " );
 160         }
 161
 162
 163         // not sure why (strtok?), but this is necessary
 164         memset( words + i, 0, COMMAND_BUFSIZE - i );
 165
 166         /* pass off to the top level command */
 167         if( !strcmp(words[0],"router") )
 168                 ret_val = handle_router( words );
 169
 170         /*
 171         else if( !strcmp(words[0],"time") )
 172                 ret_val = handle_time( words );
 173                 */
 174
 175         else if (!strcmp(words[0],"request"))
 176                 ret_val = handle_request( words, 0 );
 177
 178         else if (!strcmp(words[0],"relay"))
 179                 ret_val = handle_request( words, 1 );
 180
 181         else if (!strcmp(words[0],"help"))
 182                 ret_val = print_help();
 183
 184         else if (!strcmp(words[0],"set"))
 185                 ret_val = handle_set(words);
 186
 187         else if (!strcmp(words[0],"print"))
 188                 ret_val = handle_print(words);
 189
 190         else if (!strcmp(words[0],"math_bench"))
 191                 ret_val = handle_math(words);
 192
 193         else if (!strcmp(words[0],"introspect"))
 194                 ret_val = handle_introspect(words);
 195
 196         else if (!strcmp(words[0],"login"))
 197                 ret_val = handle_login(words);
 198
 199         else if (words[0][0] == '!')
 200                 ret_val = handle_exec( words, 1 );
 201
 202         if(!ret_val) {
 203                 #ifdef EXEC_DEFAULT
 204                         return handle_exec( words, 0 );
 205                 #else
 206                         return parse_error( words );
 207                 #endif
 208         }
 209
 210         return 1;
 211
 212 }
 213
 214
 215 int handle_introspect(char* words[]) {
 216
 217         if(words[1] && words[2]) {
 218                 fprintf(stderr, "--> %s\n", words[1]);
 219                 char buf[256];
 220                 memset(buf,0,256);
 221                 sprintf( buf, "request %s opensrf.system.method %s", words[1], words[2] );
 222                 return parse_request( buf );
 223
 224         } else {
 225
 226                 if(words[1]) {
 227                         fprintf(stderr, "--> %s\n", words[1]);
 228                         char buf[256];
 229                         memset(buf,0,256);
 230                         sprintf( buf, "request %s opensrf.system.method.all", words[1] );
 231                         return parse_request( buf );
 232                 }
 233         }
 234
 235         return 0;
 236 }
 237
 238
 239 int handle_login( char* words[]) {
 240
 241         if( words[1] && words[2]) {
 242
 243                 char* username          = words[1];
 244                 char* password          = words[2];
 245                 char* type                      = words[3];
 246                 char* orgloc            = words[4];
 247                 char* workstation       = words[5];
 248                 int orgloci = (orgloc) ? atoi(orgloc) : 0;
 249                 if(!type) type = "opac";
 250
 251                 char buf[256];
 252                 memset(buf,0,256);
 253
 254                 char buf2[256];
 255                 memset(buf2,0,256);
 256
 257                 sprintf( buf,
 258                                 "request open-ils.auth open-ils.auth.authenticate.init \"%s\"", username );
 259                 parse_request(buf);
 260
 261                 char* hash;
 262                 if(last_result && last_result->_result_content) {
 263                         jsonObject* r = last_result->_result_content;
 264                         hash = jsonObjectGetString(r);
 265                 } else return 0;
 266
 267
 268                 char* pass_buf = md5sum(password);
 269
 270                 char both_buf[256];
 271                 memset(both_buf,0,256);
 272                 sprintf(both_buf,"%s%s",hash, pass_buf);
 273
 274                 char* mess_buf = md5sum(both_buf);
 275
 276                 /*
 277                 sprintf( buf2, "request open-ils.auth open-ils.auth.authenticate.complete "
 278                                 "{ \"username\" : \"%s\", \"password\" : \"%s\", "
 279                                 "\"type\" : \"%s\", \"org\" : %d, \"workstation\": \"%s\"}",
 280                                 username, mess_buf, type, orgloci, workstation );
 281                                 */
 282
 283                 growing_buffer* argbuf = buffer_init(64);
 284                 buffer_fadd(argbuf,
 285                                 "request open-ils.auth open-ils.auth.authenticate.complete "
 286                                 "{ \"username\" : \"%s\", \"password\" : \"%s\"", username, mess_buf );
 287
 288                 if(type) buffer_fadd( argbuf, ", \"type\" : \"%s\"", type );
 289                 if(orgloci) buffer_fadd( argbuf, ", \"org\" : %d", orgloci );
 290                 if(workstation) buffer_fadd( argbuf, ", \"workstation\" : \"%s\"", workstation);
 291                 buffer_add(argbuf, "}");
 292
 293                 free(pass_buf);
 294                 free(mess_buf);
 295
 296                 parse_request( argbuf->buf );
 297                 buffer_free(argbuf);
 298
 299                 jsonObject* x = last_result->_result_content;
 300                 double authtime = 0;
 301                 if(x) {
 302                         char* authtoken = jsonObjectGetString(
 303                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtoken"));
 304                         authtime  = jsonObjectGetNumber(
 305                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtime"));
 306                         if(authtoken) login_session = strdup(authtoken);
 307                         else login_session = NULL;
 308                 }
 309                 else login_session = NULL;
 310
 311                 printf("Login Session: %s.  Session timeout: %lf\n", login_session, authtime );
 312
 313                 return 1;
 314
 315         }
 316
 317         return 0;
 318 }
 319
 320 int handle_set( char* words[]) {
 321
 322         char* variable;
 323         if( (variable=words[1]) ) {
 324
 325                 char* val;
 326                 if( (val=words[2]) ) {
 327
 328                         if(!strcmp(variable,"pretty_print")) {
 329                                 if(!strcmp(val,"true")) {
 330                                         pretty_print = 1;
 331                                         printf("pretty_print = true\n");
 332                                         return 1;
 333                                 }
 334                                 if(!strcmp(val,"false")) {
 335                                         pretty_print = 0;
 336                                         printf("pretty_print = false\n");
 337                                         return 1;
 338                                 }
 339                         }
 340
 341                         if(!strcmp(variable,"raw_print")) {
 342                                 if(!strcmp(val,"true")) {
 343                                         raw_print = 1;
 344                                         printf("raw_print = true\n");
 345                                         return 1;
 346                                 }
 347                                 if(!strcmp(val,"false")) {
 348                                         raw_print = 0;
 349                                         printf("raw_print = false\n");
 350                                         return 1;
 351                                 }
 352                         }
 353
 354                 }
 355         }
 356
 357         return 0;
 358 }
 359
 360
 361 int handle_print( char* words[]) {
 362
 363         char* variable;
 364         if( (variable=words[1]) ) {
 365                 if(!strcmp(variable,"pretty_print")) {
 366                         if(pretty_print) {
 367                                 printf("pretty_print = true\n");
 368                                 return 1;
 369                         } else {
 370                                 printf("pretty_print = false\n");
 371                                 return 1;
 372                         }
 373                 }
 374
 375                 if(!strcmp(variable,"login")) {
 376                         printf("login session = %s\n", login_session );
 377                         return 1;
 378                 }
 379
 380         }
 381         return 0;
 382 }
 383
 384 int handle_router( char* words[] ) {
 385
 386         if(!client)
 387                 return 1;
 388
 389         int i;
 390
 391         if( words[1] ) {
 392                 if( !strcmp(words[1],"query") ) {
 393
 394                         if( words[2] && !strcmp(words[2],"servers") ) {
 395                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
 396                                         router_query_servers( words[i] );
 397                                 }
 398                                 return 1;
 399                         }
 400                         return 0;
 401                 }
 402                 return 0;
 403         }
 404         return 0;
 405 }
 406
 407
 408 /* if new shell, spawn a new child and subshell to do the work,
 409         otherwise pipe the request to the currently open (piped) shell */
 410 int handle_exec(char* words[], int new_shell) {
 411
 412         if(!words[0]) return 0;
 413
 414         if( words[0] && words[0][0] == '!') {
 415                 int len = strlen(words[0]);
 416                 char command[len];
 417                 memset(command,0,len);
 418
 419                 int i; /* chop out the ! */
 420                 for( i=1; i!= len; i++) {
 421                         command[i-1] = words[0][i];
 422                 }
 423
 424                 free(words[0]);
 425                 words[0] = strdup(command);
 426         }
 427
 428         if(new_shell) {
 429                 signal(SIGCHLD, sig_child_handler);
 430
 431                 if(fork()) {
 432
 433                         waitpid(-1, 0, 0);
 434                         if(child_dead) {
 435                                 signal(SIGCHLD,sig_child_handler);
 436                                 child_dead = 0;
 437                         }
 438
 439                 } else {
 440                         execvp( words[0], words );
 441                         exit(0);
 442                 }
 443
 444         } else {
 445
 446
 447                 growing_buffer* b = buffer_init(64);
 448                 int i = 0;
 449                 while(words[i])
 450                         buffer_fadd( b, "%s ", words[i++] );
 451
 452                 buffer_add( b, "\n");
 453
 454                 //int reader;
 455                 //int reader = dup2(STDOUT_FILENO, reader);
 456                 //int reader = dup(STDOUT_FILENO);
 457                 //close(STDOUT_FILENO);
 458
 459                 fprintf( shell_writer, b->buf );
 460                 buffer_free(b);
 461
 462                 fflush(shell_writer);
 463                 usleep(1000);
 464
 465                 /*
 466                 char c[4096];
 467                 bzero(c, 4096);
 468                 read( reader, c, 4095 );
 469                 fprintf(stderr, "read %s", c);
 470                 dup2(reader, STDOUT_FILENO);
 471                 */
 472
 473         }
 474
 475
 476         return 1;
 477 }
 478
 479
 480 int handle_request( char* words[], int relay ) {
 481
 482         if(!client)
 483                 return 1;
 484
 485         if(words[1]) {
 486                 char* server = words[1];
 487                 char* method = words[2];
 488                 int i;
 489                 growing_buffer* buffer = NULL;
 490                 if(!relay) {
 491                         buffer = buffer_init(128);
 492                         buffer_add(buffer, "[");
 493                         for(i = 3; words[i] != NULL; i++ ) {
 494                                 /* removes trailing semicolon if user accidentally enters it */
 495                                 if( words[i][strlen(words[i])-1] == ';' )
 496                                         words[i][strlen(words[i])-1] = '\0';
 497                                 buffer_add( buffer, words[i] );
 498                                 buffer_add(buffer, " ");
 499                         }
 500                         buffer_add(buffer, "]");
 501                 }
 502
 503                 return send_request( server, method, buffer, relay );
 504         }
 505
 506         return 0;
 507 }
 508
 509 int send_request( char* server,
 510                 char* method, growing_buffer* buffer, int relay ) {
 511         if( server == NULL || method == NULL )
 512                 return 0;
 513
 514         jsonObject* params = NULL;
 515         if( !relay ) {
 516                 if( buffer != NULL && buffer->n_used > 0 )
 517                         params = json_parse_string(buffer->buf);
 518         } else {
 519                 if(!last_result || ! last_result->_result_content) {
 520                         printf("We're not going to call 'relay' with no result params\n");
 521                         return 1;
 522                 }
 523                 else {
 524                         jsonObject* o = jsonNewObject(NULL);
 525                         jsonObjectPush(o, last_result->_result_content );
 526                         params = o;
 527                 }
 528         }
 529
 530
 531         if(buffer->n_used > 0 && params == NULL) {
 532                 fprintf(stderr, "JSON error detected, not executing\n");
 533                 return 1;
 534         }
 535
 536         osrf_app_session* session = osrf_app_client_session_init(server);
 537
 538         if(!osrf_app_session_connect(session)) {
 539                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
 540                 return 1;
 541         }
 542
 543         double start = get_timestamp_millis();
 544         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
 545         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
 546
 547
 548         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 549
 550         if(!omsg)
 551                 printf("\nReceived no data from server\n");
 552
 553
 554         signal(SIGPIPE, SIG_IGN);
 555
 556         FILE* less;
 557         if(!is_from_script) less = popen( "less -EX", "w");
 558         else less = stdout;
 559
 560         if( less == NULL ) { less = stdout; }
 561
 562         growing_buffer* resp_buffer = buffer_init(4096);
 563
 564         while(omsg) {
 565
 566                 if(raw_print) {
 567
 568                         if(omsg->_result_content) {
 569
 570                                 osrf_message_free(last_result);
 571                                 last_result = omsg;
 572
 573                                 char* content;
 574
 575                                 if( pretty_print && omsg->_result_content ) {
 576                                         char* j = jsonObjectToJSON(omsg->_result_content);
 577                                         //content = json_printer(j);
 578                                         content = jsonFormatString(j);
 579                                         free(j);
 580                                 } else
 581                                         content = jsonObjectGetString(omsg->_result_content);
 582
 583                                 printf( "\nReceived Data: %s\n", content );
 584                                 free(content);
 585
 586                         } else {
 587
 588                                 char code[16];
 589                                 memset(code, 0, 16);
 590                                 sprintf( code, "%d", omsg->status_code );
 591                                 buffer_add( resp_buffer, code );
 592
 593                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 594                                                 omsg->status_name, omsg->status_text, code );
 595
 596                                 fflush(stdout);
 597                         }
 598
 599                 } else {
 600
 601                         if(omsg->_result_content) {
 602
 603                                 osrf_message_free(last_result);
 604                                 last_result = omsg;
 605
 606                                 char* content;
 607
 608                                 if( pretty_print && omsg->_result_content ) {
 609                                         char* j = jsonObjectToJSON(omsg->_result_content);
 610                                         //content = json_printer(j);
 611                                         content = jsonFormatString(j);
 612                                         free(j);
 613                                 } else
 614                                         content = jsonObjectGetString(omsg->_result_content);
 615
 616                                 buffer_add( resp_buffer, "\nReceived Data: " );
 617                                 buffer_add( resp_buffer, content );
 618                                 buffer_add( resp_buffer, "\n" );
 619                                 free(content);
 620
 621                         } else {
 622
 623                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 624                                 buffer_add( resp_buffer, omsg->status_name );
 625                                 buffer_add( resp_buffer, "\nStatus: " );
 626                                 buffer_add( resp_buffer, omsg->status_text );
 627                                 buffer_add( resp_buffer, "\nStatus: " );
 628                                 char code[16];
 629                                 memset(code, 0, 16);
 630                                 sprintf( code, "%d", omsg->status_code );
 631                                 buffer_add( resp_buffer, code );
 632                         }
 633                 }
 634
 635
 636                 omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 637
 638         }
 639
 640         double end = get_timestamp_millis();
 641
 642         fprintf( less, resp_buffer->buf );
 643         buffer_free( resp_buffer );
 644         fprintf( less, "\n------------------------------------\n");
 645         if( osrf_app_session_request_complete( session, req_id ))
 646                 fprintf(less, "Request Completed Successfully\n");
 647
 648
 649         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
 650         fprintf(less, "------------------------------------\n");
 651
 652         pclose(less);
 653
 654         osrf_app_session_request_finish( session, req_id );
 655         osrf_app_session_disconnect( session );
 656         osrf_app_session_destroy( session );
 657
 658
 659         return 1;
 660
 661
 662 }
 663
 664 /*
 665 int handle_time( char* words[] ) {
 666
 667         if( ! words[1] ) {
 668
 669                 char buf[36];
 670                 memset(buf,0,36);
 671                 get_timestamp(buf);
 672                 printf( "%s\n", buf );
 673                 return 1;
 674         }
 675
 676         if( words[1] ) {
 677                 time_t epoch = (time_t)atoi( words[1] );
 678                 char* localtime = strdup( ctime( &epoch ) );
 679                 printf( "%s => %s", words[1], localtime );
 680                 free(localtime);
 681                 return 1;
 682         }
 683
 684         return 0;
 685
 686 }
 687 */
 688
 689
 690
 691 int router_query_servers( char* router_server ) {
 692
 693         if( ! router_server || strlen(router_server) == 0 )
 694                 return 0;
 695
 696         char rbuf[256];
 697         memset(rbuf,0,256);
 698         sprintf(rbuf,"router@%s/router", router_server );
 699
 700         transport_message* send =
 701                 message_init( "servers", NULL, NULL, rbuf, NULL );
 702         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 703
 704         client_send_message( client, send );
 705         message_free( send );
 706
 707         transport_message* recv = client_recv( client, -1 );
 708         if( recv == NULL ) {
 709                 fprintf(stderr, "NULL message received from router\n");
 710                 return 1;
 711         }
 712
 713         printf(
 714                         "---------------------------------------------------------------------------------\n"
 715                         "Received from 'server' query on %s\n"
 716                         "---------------------------------------------------------------------------------\n"
 717                         "original reg time | latest reg time | last used time | class | server\n"
 718                         "---------------------------------------------------------------------------------\n"
 719                         "%s"
 720                         "---------------------------------------------------------------------------------\n"
 721                         , router_server, recv->body );
 722
 723         message_free( recv );
 724
 725         return 1;
 726 }
 727
 728 int print_help() {
 729
 730         printf(
 731                         "---------------------------------------------------------------------------------\n"
 732                         "Commands:\n"
 733                         "---------------------------------------------------------------------------------\n"
 734                         "help                   - Display this message\n"
 735                         "!<command> [args] - Forks and runs the given command in the shell\n"
 736                         "time                   - Prints the current time\n"
 737                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 738                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 739                         "print <variable>               - Displays the value of a srfsh variable\n"
 740                         "---------------------------------------------------------------------------------\n"
 741
 742                         "router query servers <server1 [, server2, ...]>\n"
 743                         "       - Returns stats on connected services\n"
 744                         "\n"
 745                         "\n"
 746                         "request <service> <method> [ <json formatted string of params> ]\n"
 747                         "       - Anything passed in will be wrapped in a json array,\n"
 748                         "               so add commas if there is more than one param\n"
 749                         "\n"
 750                         "\n"
 751                         "relay <service> <method>\n"
 752                         "       - Performs the requested query using the last received result as the param\n"
 753                         "\n"
 754                         "\n"
 755                         "math_bench <num_batches> [0|1|2]\n"
 756                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 757                         "                2 means reconnect after every request\n"
 758                         "\n"
 759                         "introspect <service>\n"
 760                         "       - prints the API for the service\n"
 761                         "\n"
 762                         "\n"
 763                         "---------------------------------------------------------------------------------\n"
 764                         " Commands for Open-ILS\n"
 765                         "---------------------------------------------------------------------------------\n"
 766                         "login <username> <password>\n"
 767                         "       -       Logs into the 'server' and displays the session id\n"
 768                         "       - To view the session id later, enter: print login\n"
 769                         "---------------------------------------------------------------------------------\n"
 770                         "\n"
 771                         "\n"
 772                         "Note: long output is piped through 'less'.  To search in 'less', type: /<search>\n"
 773                         "---------------------------------------------------------------------------------\n"
 774                         "\n"
 775                         );
 776
 777         return 1;
 778 }
 779
 780
 781
 782 char* tabs(int count) {
 783         growing_buffer* buf = buffer_init(24);
 784         int i;
 785         for(i=0;i!=count;i++)
 786                 buffer_add(buf, "  ");
 787
 788         char* final = buffer_data( buf );
 789         buffer_free( buf );
 790         return final;
 791 }
 792
 793 int handle_math( char* words[] ) {
 794         if( words[1] )
 795                 return do_math( atoi(words[1]), 0 );
 796         return 0;
 797 }
 798
 799
 800 int do_math( int count, int style ) {
 801
 802         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
 803         osrf_app_session_connect(session);
 804
 805         jsonObject* params = json_parse_string("[]");
 806         jsonObjectPush(params,jsonNewObject("1"));
 807         jsonObjectPush(params,jsonNewObject("2"));
 808
 809         char* methods[] = { "add", "sub", "mult", "div" };
 810         char* answers[] = { "3", "-1", "2", "0.500000" };
 811
 812         float times[ count * 4 ];
 813         memset(times,0,count*4);
 814
 815         int k;
 816         for(k=0;k!=100;k++) {
 817                 if(!(k%10))
 818                         fprintf(stderr,"|");
 819                 else
 820                         fprintf(stderr,".");
 821         }
 822
 823         fprintf(stderr,"\n\n");
 824
 825         int running = 0;
 826         int i;
 827         for(i=0; i!= count; i++) {
 828
 829                 int j;
 830                 for(j=0; j != 4; j++) {
 831
 832                         ++running;
 833
 834                         double start = get_timestamp_millis();
 835                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
 836                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
 837                         double end = get_timestamp_millis();
 838
 839                         times[(4*i) + j] = end - start;
 840
 841                         if(omsg) {
 842
 843                                 if(omsg->_result_content) {
 844                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
 845                                         if(!strcmp(jsn, answers[j]))
 846                                                 fprintf(stderr, "+");
 847                                         else
 848                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
 849                                         free(jsn);
 850                                 }
 851
 852
 853                                 osrf_message_free(omsg);
 854
 855                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
 856
 857                         osrf_app_session_request_finish( session, req_id );
 858
 859                         if(style == 2)
 860                                 osrf_app_session_disconnect( session );
 861
 862                         if(!(running%100))
 863                                 fprintf(stderr,"\n");
 864                 }
 865
 866                 if(style==1)
 867                         osrf_app_session_disconnect( session );
 868         }
 869
 870         osrf_app_session_destroy( session );
 871         jsonObjectFree(params);
 872
 873         int c;
 874         float total = 0;
 875         for(c=0; c!= count*4; c++)
 876                 total += times[c];
 877
 878         float avg = total / (count*4);
 879         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
 880
 881         return 1;
 882 }