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_exec(char* words[], int new_shell);
  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( char* server );
  60 //static int srfsh_client_connect();
  61 static int print_help();
  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();
  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 static FILE* shell_writer = NULL;
  75 // static FILE* shell_reader = NULL;
  76
  77
  78 int main( int argc, char* argv[] ) {
  79
  80         /* --------------------------------------------- */
  81         /* see if they have a .srfsh.xml in their home directory */
  82         char* home = getenv("HOME");
  83         int l = strlen(home) + 36;
  84         char fbuf[l];
  85         memset(fbuf, 0, l);
  86         sprintf(fbuf,"%s/.srfsh.xml",home);
  87
  88         if(!access(fbuf, R_OK)) {
  89                 if( ! osrf_system_bootstrap_client(fbuf, "srfsh") ) {
  90                         fprintf(stderr,"Unable to bootstrap client for requests\n");
  91                         osrfLogError( OSRF_LOG_MARK,  "Unable to bootstrap client for requests");
  92                         return -1;
  93                 }
  94
  95         } else {
  96                 fprintf(stderr,"No Config file found at %s\n", fbuf );
  97                 return -1;
  98         }
  99
 100         if(argc > 1) {
 101                 /* for now.. the first arg is used as a script file for processing */
 102                 int f;
 103                 if( (f = open(argv[1], O_RDONLY)) == -1 ) {
 104                         osrfLogError( OSRF_LOG_MARK, "Unable to open file %s for reading, exiting...", argv[1]);
 105                         return -1;
 106                 }
 107
 108                 if(dup2(f, STDIN_FILENO) == -1) {
 109                         osrfLogError( OSRF_LOG_MARK, "Unable to duplicate STDIN, exiting...");
 110                         return -1;
 111                 }
 112
 113                 close(f);
 114                 is_from_script = 1;
 115         }
 116
 117         /* --------------------------------------------- */
 118         load_history();
 119
 120
 121         client = osrf_system_get_transport_client();
 122
 123         /* open the shell handle */
 124         shell_writer = popen( "bash", "w");
 125         //shell_reader = popen( "bash", "r");
 126
 127         /* main process loop */
 128         char* request;
 129         while((request=readline(prompt))) {
 130
 131                 if( !strcasecmp(request, "exit") || !strcasecmp(request,"quit"))
 132                         break;
 133
 134                 char* req_copy = strdup(request);
 135
 136                 parse_request( req_copy );
 137                 if( request && strlen(request) > 1 ) {
 138                         add_history(request);
 139                 }
 140
 141                 free(request);
 142                 free(req_copy);
 143
 144                 fflush(shell_writer);
 145                 fflush(stderr);
 146                 fflush(stdout);
 147         }
 148
 149         if(history_file != NULL )
 150                 write_history(history_file);
 151
 152         free(request);
 153
 154         osrf_system_shutdown();
 155         return 0;
 156 }
 157
 158 static void sig_child_handler( int s ) {
 159         child_dead = 1;
 160 }
 161
 162 /*
 163 void sig_int_handler( int s ) {
 164         printf("\n");
 165         caught_sigint = 1;
 166         signal(SIGINT,sig_int_handler);
 167 }
 168 */
 169
 170 static int load_history() {
 171
 172         char* home = getenv("HOME");
 173         int l = strlen(home) + 24;
 174         char fbuf[l];
 175
 176         memset(fbuf, 0, l);
 177         sprintf(fbuf,"%s/.srfsh_history",home);
 178         history_file = strdup(fbuf);
 179
 180         if(!access(history_file, W_OK | R_OK )) {
 181                 history_length = 5000;
 182                 read_history(history_file);
 183         }
 184         return 1;
 185 }
 186
 187
 188 static int parse_error( char* words[] ) {
 189
 190         if( ! words )
 191                 return 0;
 192
 193
 194         int i = 0;
 195         char* current;
 196         char buffer[256];
 197         memset(buffer, 0, 256);
 198         while( (current=words[i++]) ) {
 199                 strcat(buffer, current);
 200                 strcat(buffer, " ");
 201         }
 202         if( ! buffer || strlen(buffer) < 1 )
 203                 printf("\n");
 204
 205         fprintf( stderr, "???: %s\n", buffer );
 206         return 0;
 207
 208 }
 209
 210
 211 static int parse_request( char* request ) {
 212
 213         if( request == NULL )
 214                 return 0;
 215
 216         int ret_val = 0;
 217         int i = 0;
 218         char* words[COMMAND_BUFSIZE];
 219         memset(words,0,COMMAND_BUFSIZE);
 220         char* req = request;
 221
 222         char* cur_tok = strtok( req, " " );
 223
 224         if( cur_tok == NULL )
 225                 return 0;
 226
 227         while(cur_tok != NULL) {
 228                 words[i++] = cur_tok;
 229                 cur_tok = strtok( NULL, " " );
 230         }
 231
 232
 233         // not sure why (strtok?), but this is necessary
 234         memset( words + i, 0, COMMAND_BUFSIZE - i );
 235
 236         /* pass off to the top level command */
 237         if( !strcmp(words[0],"router") )
 238                 ret_val = handle_router( words );
 239
 240         /*
 241         else if( !strcmp(words[0],"time") )
 242                 ret_val = handle_time( words );
 243                 */
 244
 245         else if (!strcmp(words[0],"request"))
 246                 ret_val = handle_request( words, 0 );
 247
 248         else if (!strcmp(words[0],"relay"))
 249                 ret_val = handle_request( words, 1 );
 250
 251         else if (!strcmp(words[0],"help"))
 252                 ret_val = print_help();
 253
 254         else if (!strcmp(words[0],"set"))
 255                 ret_val = handle_set(words);
 256
 257         else if (!strcmp(words[0],"print"))
 258                 ret_val = handle_print(words);
 259
 260         else if (!strcmp(words[0],"math_bench"))
 261                 ret_val = handle_math(words);
 262
 263         else if (!strcmp(words[0],"introspect"))
 264                 ret_val = handle_introspect(words);
 265
 266         else if (!strcmp(words[0],"login"))
 267                 ret_val = handle_login(words);
 268
 269         else if (words[0][0] == '!')
 270                 ret_val = handle_exec( words, 1 );
 271
 272         if(!ret_val) {
 273                 #ifdef EXEC_DEFAULT
 274                         return handle_exec( words, 0 );
 275                 #else
 276                         return parse_error( words );
 277                 #endif
 278         }
 279
 280         return 1;
 281
 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 /* if new shell, spawn a new child and subshell to do the work,
 479         otherwise pipe the request to the currently open (piped) shell */
 480 static int handle_exec(char* words[], int new_shell) {
 481
 482         if(!words[0]) return 0;
 483
 484         if( words[0] && words[0][0] == '!') {
 485                 int len = strlen(words[0]);
 486                 char command[len];
 487                 memset(command,0,len);
 488
 489                 int i; /* chop out the ! */
 490                 for( i=1; i!= len; i++) {
 491                         command[i-1] = words[0][i];
 492                 }
 493
 494                 free(words[0]);
 495                 words[0] = strdup(command);
 496         }
 497
 498         if(new_shell) {
 499                 signal(SIGCHLD, sig_child_handler);
 500
 501                 if(fork()) {
 502
 503                         waitpid(-1, 0, 0);
 504                         if(child_dead) {
 505                                 signal(SIGCHLD,sig_child_handler);
 506                                 child_dead = 0;
 507                         }
 508
 509                 } else {
 510                         execvp( words[0], words );
 511                         exit(0);
 512                 }
 513
 514         } else {
 515
 516
 517                 growing_buffer* b = buffer_init(64);
 518                 int i = 0;
 519                 while(words[i])
 520                         buffer_fadd( b, "%s ", words[i++] );
 521
 522                 buffer_add( b, "\n");
 523
 524                 //int reader;
 525                 //int reader = dup2(STDOUT_FILENO, reader);
 526                 //int reader = dup(STDOUT_FILENO);
 527                 //close(STDOUT_FILENO);
 528
 529                 fprintf( shell_writer, b->buf );
 530                 buffer_free(b);
 531
 532                 fflush(shell_writer);
 533                 usleep(1000);
 534
 535                 /*
 536                 char c[4096];
 537                 bzero(c, 4096);
 538                 read( reader, c, 4095 );
 539                 fprintf(stderr, "read %s", c);
 540                 dup2(reader, STDOUT_FILENO);
 541                 */
 542
 543         }
 544
 545
 546         return 1;
 547 }
 548
 549
 550 static int handle_request( char* words[], int relay ) {
 551
 552         if(!client)
 553                 return 1;
 554
 555         if(words[1]) {
 556                 char* server = words[1];
 557                 char* method = words[2];
 558                 int i;
 559                 growing_buffer* buffer = NULL;
 560                 if(!relay) {
 561                         buffer = buffer_init(128);
 562                         buffer_add(buffer, "[");
 563                         for(i = 3; words[i] != NULL; i++ ) {
 564                                 /* removes trailing semicolon if user accidentally enters it */
 565                                 if( words[i][strlen(words[i])-1] == ';' )
 566                                         words[i][strlen(words[i])-1] = '\0';
 567                                 buffer_add( buffer, words[i] );
 568                                 buffer_add(buffer, " ");
 569                         }
 570                         buffer_add(buffer, "]");
 571                 }
 572
 573                 return send_request( server, method, buffer, relay );
 574         }
 575
 576         return 0;
 577 }
 578
 579 int send_request( char* server,
 580                 char* method, growing_buffer* buffer, int relay ) {
 581         if( server == NULL || method == NULL )
 582                 return 0;
 583
 584         jsonObject* params = NULL;
 585         if( !relay ) {
 586                 if( buffer != NULL && buffer->n_used > 0 )
 587                         params = json_parse_string(buffer->buf);
 588         } else {
 589                 if(!last_result || ! last_result->_result_content) {
 590                         printf("We're not going to call 'relay' with no result params\n");
 591                         return 1;
 592                 }
 593                 else {
 594                         jsonObject* o = jsonNewObject(NULL);
 595                         jsonObjectPush(o, last_result->_result_content );
 596                         params = o;
 597                 }
 598         }
 599
 600
 601         if(buffer->n_used > 0 && params == NULL) {
 602                 fprintf(stderr, "JSON error detected, not executing\n");
 603                 return 1;
 604         }
 605
 606         osrf_app_session* session = osrf_app_client_session_init(server);
 607
 608         if(!osrf_app_session_connect(session)) {
 609                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
 610                 return 1;
 611         }
 612
 613         double start = get_timestamp_millis();
 614         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
 615         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
 616
 617
 618         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 619
 620         if(!omsg)
 621                 printf("\nReceived no data from server\n");
 622
 623
 624         signal(SIGPIPE, SIG_IGN);
 625
 626         FILE* less;
 627         if(!is_from_script) less = popen( "less -EX", "w");
 628         else less = stdout;
 629
 630         if( less == NULL ) { less = stdout; }
 631
 632         growing_buffer* resp_buffer = buffer_init(4096);
 633
 634         while(omsg) {
 635
 636                 if(raw_print) {
 637
 638                         if(omsg->_result_content) {
 639
 640                                 osrf_message_free(last_result);
 641                                 last_result = omsg;
 642
 643                                 char* content;
 644
 645                                 if( pretty_print && omsg->_result_content ) {
 646                                         char* j = jsonObjectToJSON(omsg->_result_content);
 647                                         //content = json_printer(j);
 648                                         content = jsonFormatString(j);
 649                                         free(j);
 650                                 } else
 651                                         content = jsonObjectGetString(omsg->_result_content);
 652
 653                                 printf( "\nReceived Data: %s\n", content );
 654                                 free(content);
 655
 656                         } else {
 657
 658                                 char code[16];
 659                                 memset(code, 0, 16);
 660                                 sprintf( code, "%d", omsg->status_code );
 661                                 buffer_add( resp_buffer, code );
 662
 663                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 664                                                 omsg->status_name, omsg->status_text, code );
 665
 666                                 fflush(stdout);
 667                         }
 668
 669                 } else {
 670
 671                         if(omsg->_result_content) {
 672
 673                                 osrf_message_free(last_result);
 674                                 last_result = omsg;
 675
 676                                 char* content;
 677
 678                                 if( pretty_print && omsg->_result_content ) {
 679                                         char* j = jsonObjectToJSON(omsg->_result_content);
 680                                         //content = json_printer(j);
 681                                         content = jsonFormatString(j);
 682                                         free(j);
 683                                 } else
 684                                         content = jsonObjectGetString(omsg->_result_content);
 685
 686                                 buffer_add( resp_buffer, "\nReceived Data: " );
 687                                 buffer_add( resp_buffer, content );
 688                                 buffer_add( resp_buffer, "\n" );
 689                                 free(content);
 690
 691                         } else {
 692
 693                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 694                                 buffer_add( resp_buffer, omsg->status_name );
 695                                 buffer_add( resp_buffer, "\nStatus: " );
 696                                 buffer_add( resp_buffer, omsg->status_text );
 697                                 buffer_add( resp_buffer, "\nStatus: " );
 698                                 char code[16];
 699                                 memset(code, 0, 16);
 700                                 sprintf( code, "%d", omsg->status_code );
 701                                 buffer_add( resp_buffer, code );
 702                         }
 703                 }
 704
 705
 706                 omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
 707
 708         }
 709
 710         double end = get_timestamp_millis();
 711
 712         fprintf( less, resp_buffer->buf );
 713         buffer_free( resp_buffer );
 714         fprintf( less, "\n------------------------------------\n");
 715         if( osrf_app_session_request_complete( session, req_id ))
 716                 fprintf(less, "Request Completed Successfully\n");
 717
 718
 719         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
 720         fprintf(less, "------------------------------------\n");
 721
 722         pclose(less);
 723
 724         osrf_app_session_request_finish( session, req_id );
 725         osrf_app_session_disconnect( session );
 726         osrf_app_session_destroy( session );
 727
 728
 729         return 1;
 730
 731
 732 }
 733
 734 /*
 735 static int handle_time( char* words[] ) {
 736
 737         if( ! words[1] ) {
 738
 739                 char buf[36];
 740                 memset(buf,0,36);
 741                 get_timestamp(buf);
 742                 printf( "%s\n", buf );
 743                 return 1;
 744         }
 745
 746         if( words[1] ) {
 747                 time_t epoch = (time_t)atoi( words[1] );
 748                 char* localtime = strdup( ctime( &epoch ) );
 749                 printf( "%s => %s", words[1], localtime );
 750                 free(localtime);
 751                 return 1;
 752         }
 753
 754         return 0;
 755
 756 }
 757 */
 758
 759
 760
 761 static int router_query_servers( char* router_server ) {
 762
 763         if( ! router_server || strlen(router_server) == 0 )
 764                 return 0;
 765
 766         char rbuf[256];
 767         memset(rbuf,0,256);
 768         sprintf(rbuf,"router@%s/router", router_server );
 769
 770         transport_message* send =
 771                 message_init( "servers", NULL, NULL, rbuf, NULL );
 772         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 773
 774         client_send_message( client, send );
 775         message_free( send );
 776
 777         transport_message* recv = client_recv( client, -1 );
 778         if( recv == NULL ) {
 779                 fprintf(stderr, "NULL message received from router\n");
 780                 return 1;
 781         }
 782
 783         printf(
 784                         "---------------------------------------------------------------------------------\n"
 785                         "Received from 'server' query on %s\n"
 786                         "---------------------------------------------------------------------------------\n"
 787                         "original reg time | latest reg time | last used time | class | server\n"
 788                         "---------------------------------------------------------------------------------\n"
 789                         "%s"
 790                         "---------------------------------------------------------------------------------\n"
 791                         , router_server, recv->body );
 792
 793         message_free( recv );
 794
 795         return 1;
 796 }
 797
 798 static int print_help() {
 799
 800         printf(
 801                         "---------------------------------------------------------------------------------\n"
 802                         "Commands:\n"
 803                         "---------------------------------------------------------------------------------\n"
 804                         "help                   - Display this message\n"
 805                         "!<command> [args] - Forks and runs the given command in the shell\n"
 806                 /*
 807                         "time                   - Prints the current time\n"
 808                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 809                 */
 810                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 811                         "print <variable>               - Displays the value of a srfsh variable\n"
 812                         "---------------------------------------------------------------------------------\n"
 813
 814                         "router query servers <server1 [, server2, ...]>\n"
 815                         "       - Returns stats on connected services\n"
 816                         "\n"
 817                         "\n"
 818                         "request <service> <method> [ <json formatted string of params> ]\n"
 819                         "       - Anything passed in will be wrapped in a json array,\n"
 820                         "               so add commas if there is more than one param\n"
 821                         "\n"
 822                         "\n"
 823                         "relay <service> <method>\n"
 824                         "       - Performs the requested query using the last received result as the param\n"
 825                         "\n"
 826                         "\n"
 827                         "math_bench <num_batches> [0|1|2]\n"
 828                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 829                         "                2 means reconnect after every request\n"
 830                         "\n"
 831                         "introspect <service>\n"
 832                         "       - prints the API for the service\n"
 833                         "\n"
 834                         "\n"
 835                         "---------------------------------------------------------------------------------\n"
 836                         " Commands for Open-ILS\n"
 837                         "---------------------------------------------------------------------------------\n"
 838                         "login <username> <password>\n"
 839                         "       -       Logs into the 'server' and displays the session id\n"
 840                         "       - To view the session id later, enter: print login\n"
 841                         "---------------------------------------------------------------------------------\n"
 842                         "\n"
 843                         "\n"
 844                         "Note: long output is piped through 'less'.  To search in 'less', type: /<search>\n"
 845                         "---------------------------------------------------------------------------------\n"
 846                         "\n"
 847                         );
 848
 849         return 1;
 850 }
 851
 852
 853 /*
 854 static char* tabs(int count) {
 855         growing_buffer* buf = buffer_init(24);
 856         int i;
 857         for(i=0;i!=count;i++)
 858                 buffer_add(buf, "  ");
 859
 860         char* final = buffer_data( buf );
 861         buffer_free( buf );
 862         return final;
 863 }
 864 */
 865
 866
 867 static int handle_math( char* words[] ) {
 868         if( words[1] )
 869                 return do_math( atoi(words[1]), 0 );
 870         return 0;
 871 }
 872
 873
 874 static int do_math( int count, int style ) {
 875
 876         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
 877         osrf_app_session_connect(session);
 878
 879         jsonObject* params = json_parse_string("[]");
 880         jsonObjectPush(params,jsonNewObject("1"));
 881         jsonObjectPush(params,jsonNewObject("2"));
 882
 883         char* methods[] = { "add", "sub", "mult", "div" };
 884         char* answers[] = { "3", "-1", "2", "0.500000" };
 885
 886         float times[ count * 4 ];
 887         memset(times,0,count*4);
 888
 889         int k;
 890         for(k=0;k!=100;k++) {
 891                 if(!(k%10))
 892                         fprintf(stderr,"|");
 893                 else
 894                         fprintf(stderr,".");
 895         }
 896
 897         fprintf(stderr,"\n\n");
 898
 899         int running = 0;
 900         int i;
 901         for(i=0; i!= count; i++) {
 902
 903                 int j;
 904                 for(j=0; j != 4; j++) {
 905
 906                         ++running;
 907
 908                         double start = get_timestamp_millis();
 909                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
 910                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
 911                         double end = get_timestamp_millis();
 912
 913                         times[(4*i) + j] = end - start;
 914
 915                         if(omsg) {
 916
 917                                 if(omsg->_result_content) {
 918                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
 919                                         if(!strcmp(jsn, answers[j]))
 920                                                 fprintf(stderr, "+");
 921                                         else
 922                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
 923                                         free(jsn);
 924                                 }
 925
 926
 927                                 osrf_message_free(omsg);
 928
 929                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
 930
 931                         osrf_app_session_request_finish( session, req_id );
 932
 933                         if(style == 2)
 934                                 osrf_app_session_disconnect( session );
 935
 936                         if(!(running%100))
 937                                 fprintf(stderr,"\n");
 938                 }
 939
 940                 if(style==1)
 941                         osrf_app_session_disconnect( session );
 942         }
 943
 944         osrf_app_session_destroy( session );
 945         jsonObjectFree(params);
 946
 947         int c;
 948         float total = 0;
 949         for(c=0; c!= count*4; c++)
 950                 total += times[c];
 951
 952         float avg = total / (count*4);
 953         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
 954
 955         return 1;
 956 }