src/srfsh/srfsh.c

   1 #include <opensrf/transport_client.h>
   2 #include <opensrf/osrf_message.h>
   3 #include <opensrf/osrf_app_session.h>
   4 #include <time.h>
   5 #include <ctype.h>
   6 #include <sys/timeb.h>
   7 #include <sys/types.h>
   8 #include <sys/wait.h>
   9
  10 #include <opensrf/utils.h>
  11 #include <opensrf/log.h>
  12
  13 #include <signal.h>
  14
  15 #include <stdio.h>
  16 #include <readline/readline.h>
  17 #include <readline/history.h>
  18
  19 #define SRFSH_PORT 5222
  20 #define COMMAND_BUFSIZE 4096
  21
  22
  23 /* shell prompt */
  24 static const char* prompt = "srfsh# ";
  25
  26 static char* history_file = NULL;
  27
  28 //static int child_dead = 0;
  29
  30 static char* login_session = NULL;
  31
  32 /* true if we're pretty printing json results */
  33 static int pretty_print = 1;
  34 /* true if we're bypassing 'less' */
  35 static int raw_print = 0;
  36
  37 /* our jabber connection */
  38 static transport_client* client = NULL;
  39
  40 /* the last result we received */
  41 static osrfMessage* last_result = NULL;
  42
  43 /* functions */
  44 static int parse_request( char* request );
  45
  46 /* handles router requests */
  47 static int handle_router( char* words[] );
  48
  49 /* utility method for print time data */
  50 static int handle_time( char* words[] );
  51
  52 /* handles app level requests */
  53 static int handle_request( char* words[], int relay );
  54 static int handle_set( char* words[]);
  55 static int handle_print( char* words[]);
  56 static int send_request( char* server,
  57                                   char* method, growing_buffer* buffer, int relay );
  58 static int parse_error( char* words[] );
  59 static int router_query_servers( const char* server );
  60 static int print_help( void );
  61
  62 //static int srfsh_client_connect();
  63 //static char* tabs(int count);
  64 //static void sig_child_handler( int s );
  65 //static void sig_int_handler( int s );
  66
  67 static char* get_request( void );
  68 static int load_history( void );
  69 static int handle_math( char* words[] );
  70 static int do_math( int count, int style );
  71 static int handle_introspect(char* words[]);
  72 static int handle_login( char* words[]);
  73 static int handle_open( char* words[]);
  74 static int handle_close( char* words[]);
  75 static void close_all_sessions( void );
  76
  77 static int recv_timeout = 120;
  78 static int is_from_script = 0;
  79
  80 static osrfHash* server_hash = NULL;
  81
  82 int main( int argc, char* argv[] ) {
  83
  84         /* --------------------------------------------- */
  85         /* see if they have a .srfsh.xml in their home directory */
  86         char* home = getenv("HOME");
  87         int l = strlen(home) + 36;
  88         char fbuf[l];
  89         snprintf(fbuf, sizeof(fbuf), "%s/.srfsh.xml", home);
  90
  91         if(!access(fbuf, R_OK)) {
  92                 if( ! osrf_system_bootstrap_client(fbuf, "srfsh") ) {
  93                         fprintf(stderr,"Unable to bootstrap client for requests\n");
  94                         osrfLogError( OSRF_LOG_MARK,  "Unable to bootstrap client for requests");
  95                         return -1;
  96                 }
  97
  98         } else {
  99                 fprintf(stderr,"No Config file found at %s\n", fbuf );
 100                 return -1;
 101         }
 102
 103         if(argc > 1) {
 104                 /* for now.. the first arg is used as a script file for processing */
 105                 int f;
 106                 if( (f = open(argv[1], O_RDONLY)) == -1 ) {
 107                         osrfLogError( OSRF_LOG_MARK, "Unable to open file %s for reading, exiting...", argv[1]);
 108                         return -1;
 109                 }
 110
 111                 if(dup2(f, STDIN_FILENO) == -1) {
 112                         osrfLogError( OSRF_LOG_MARK, "Unable to duplicate STDIN, exiting...");
 113                         return -1;
 114                 }
 115
 116                 close(f);
 117                 is_from_script = 1;
 118         }
 119
 120         /* --------------------------------------------- */
 121         load_history();
 122
 123         client = osrfSystemGetTransportClient();
 124
 125         // Disable special treatment for tabs by readline
 126         // (by default they invoke command completion, which
 127         // is not useful for srfsh)
 128         rl_bind_key( '\t', rl_insert );
 129
 130         /* main process loop */
 131         int newline_needed = 1;  /* used as boolean */
 132         char* request;
 133         while( (request = get_request()) ) {
 134
 135                 // Find first non-whitespace character
 136
 137                 char * cmd = request;
 138                 while( isspace( (unsigned char) *cmd ) )
 139                         ++cmd;
 140
 141                 // Remove trailing whitespace.  We know at this point that
 142                 // there is at least one non-whitespace character somewhere,
 143                 // or we would have already skipped this line.  Hence we
 144                 // needn't check to make sure that we don't back up past
 145                 // the beginning.
 146
 147                 {
 148                         // The curly braces limit the scope of the end variable
 149
 150                         char * end = cmd + strlen(cmd) - 1;
 151                         while( isspace( (unsigned char) *end ) )
 152                                 --end;
 153                         end[1] = '\0';
 154                 }
 155
 156                 if( !strcasecmp(cmd, "exit") || !strcasecmp(cmd, "quit"))
 157                 {
 158                         newline_needed = 0;
 159                         break;
 160                 }
 161
 162                 char* req_copy = strdup(cmd);
 163
 164                 parse_request( req_copy );
 165                 if( request && *cmd ) {
 166                         add_history(request);
 167                 }
 168
 169                 free(request);
 170                 free(req_copy);
 171
 172                 fflush(stderr);
 173                 fflush(stdout);
 174         }
 175
 176         if( newline_needed ) {
 177
 178                 // We left the readline loop after seeing an EOF, not after
 179                 // seeing "quit" or "exit".  So we issue a newline in order
 180                 // to avoid leaving a dangling prompt.
 181
 182                 putchar( '\n' );
 183         }
 184
 185         if(history_file != NULL )
 186                 write_history(history_file);
 187
 188         // Free stuff
 189         free(request);
 190         free(login_session);
 191         if( server_hash ) {
 192                 if( osrfHashGetCount( server_hash ) > 0 )
 193                         close_all_sessions();
 194                 osrfHashFree( server_hash );
 195         }
 196
 197         osrf_system_shutdown();
 198         return 0;
 199 }
 200
 201 // Get a logical line from one or more calls to readline(),
 202 // skipping blank lines and comments.  Stitch continuation
 203 // lines together as needed.  Caller is responsible for
 204 // freeing the string returned.
 205 // If EOF appears before a logical line is completed,
 206 // return NULL.
 207 static char* get_request( void ) {
 208         char* line;
 209         char* p;
 210
 211         // Get the first physical line of the logical line
 212         while( 1 ) {
 213                 line = readline( prompt );
 214                 if( ! line )
 215                         return NULL;     // end of file
 216
 217                 // Skip leading white space
 218                 for( p = line; isspace( *p ); ++p )
 219                         ;
 220
 221                 if( '\\' == *p && '\0' == p[1] ) {
 222                         // Just a trailing backslash; skip to next line
 223                         free( line );
 224                         continue;
 225                 } else if( '\0' == p[0] || '#' == *p ) {
 226                         free( line );
 227                         continue;  // blank line or comment; skip it
 228                 } else
 229                         break;     // Not blank, not comment; take it
 230         }
 231
 232         char* end = line + strlen( line ) - 1;
 233         if( *end != '\\' )
 234                 return line;    // No continuation line; we're done
 235
 236         // Remove the trailing backslash and collect
 237         // the continuation line(s) into a growing_buffer
 238         *end = '\0';
 239
 240         growing_buffer* logical_line = buffer_init( 256 );
 241         buffer_add( logical_line, p );
 242         free( line );
 243
 244         // Append any continuation lines
 245         int finished = 0;      // boolean
 246         while( !finished ) {
 247                 line = readline( "> " );
 248                 if( line ) {
 249
 250                         // Check for another continuation
 251                         end = line + strlen( line ) - 1;
 252                         if( '\\' == *end )
 253                                 *end = '\0';
 254                         else
 255                                 finished = 1;
 256
 257                         buffer_add( logical_line, line );
 258                         free( line );
 259                 } else {
 260                         fprintf( stderr, "Expected continuation line; found end of file\n" );
 261                         buffer_free( logical_line );
 262                         return NULL;
 263                 }
 264         }
 265
 266         return buffer_release( logical_line );
 267 }
 268
 269 static int load_history( void ) {
 270
 271         char* home = getenv("HOME");
 272         int l = strlen(home) + 24;
 273         char fbuf[l];
 274         snprintf(fbuf, sizeof(fbuf), "%s/.srfsh_history", home);
 275         history_file = strdup(fbuf);
 276
 277         if(!access(history_file, W_OK | R_OK )) {
 278                 history_length = 5000;
 279                 read_history(history_file);
 280         }
 281         return 1;
 282 }
 283
 284
 285 static int parse_error( char* words[] ) {
 286         if( ! words )
 287                 return 0;
 288
 289         growing_buffer * gbuf = buffer_init( 64 );
 290         buffer_add( gbuf, *words );
 291         while( *++words ) {
 292                 buffer_add( gbuf, " " );
 293                 buffer_add( gbuf, *words );
 294         }
 295         fprintf( stderr, "???: %s\n", gbuf->buf );
 296         buffer_free( gbuf );
 297
 298         return 0;
 299
 300 }
 301
 302
 303 static int parse_request( char* request ) {
 304
 305         if( request == NULL )
 306                 return 0;
 307
 308         char* original_request = strdup( request );
 309         char* words[COMMAND_BUFSIZE];
 310
 311         int ret_val = 0;
 312         int i = 0;
 313
 314
 315         char* req = request;
 316         char* cur_tok = strtok( req, " \t" );
 317
 318         if( cur_tok == NULL )
 319         {
 320                 free( original_request );
 321                 return 0;
 322         }
 323
 324         /* Load an array with pointers to    */
 325         /* the tokens as defined by strtok() */
 326
 327         while(cur_tok != NULL) {
 328                 if( i < COMMAND_BUFSIZE - 1 ) {
 329                         words[i++] = cur_tok;
 330                         cur_tok = strtok( NULL, " \t" );
 331                 } else {
 332                         fprintf( stderr, "Too many tokens in command\n" );
 333                         free( original_request );
 334                         return 1;
 335                 }
 336         }
 337
 338         words[i] = NULL;
 339
 340         /* pass off to the top level command */
 341         if( !strcmp(words[0],"router") )
 342                 ret_val = handle_router( words );
 343
 344         else if( !strcmp(words[0],"time") )
 345                 ret_val = handle_time( words );
 346
 347         else if (!strcmp(words[0],"request"))
 348                 ret_val = handle_request( words, 0 );
 349
 350         else if (!strcmp(words[0],"relay"))
 351                 ret_val = handle_request( words, 1 );
 352
 353         else if (!strcmp(words[0],"help"))
 354                 ret_val = print_help();
 355
 356         else if (!strcmp(words[0],"set"))
 357                 ret_val = handle_set(words);
 358
 359         else if (!strcmp(words[0],"print"))
 360                 ret_val = handle_print(words);
 361
 362         else if (!strcmp(words[0],"math_bench"))
 363                 ret_val = handle_math(words);
 364
 365         else if (!strcmp(words[0],"introspect"))
 366                 ret_val = handle_introspect(words);
 367
 368         else if (!strcmp(words[0],"login"))
 369                 ret_val = handle_login(words);
 370
 371         else if (!strcmp(words[0],"open"))
 372                 ret_val = handle_open(words);
 373
 374         else if (!strcmp(words[0],"close"))
 375                 ret_val = handle_close(words);
 376
 377         else if (words[0][0] == '!') {
 378                 system( original_request + 1 );
 379                 ret_val = 1;
 380         }
 381
 382         free( original_request );
 383
 384         if(!ret_val)
 385                 return parse_error( words );
 386         else
 387                 return 1;
 388 }
 389
 390
 391 static int handle_introspect(char* words[]) {
 392
 393         if( ! words[1] )
 394                 return 0;
 395
 396         fprintf(stderr, "--> %s\n", words[1]);
 397
 398         // Build a command in a suitably-sized
 399         // buffer and then parse it
 400
 401         size_t len;
 402         if( words[2] ) {
 403                 static const char text[] = "request %s opensrf.system.method %s";
 404                 len = sizeof( text ) + strlen( words[1] ) + strlen( words[2] );
 405                 char buf[len];
 406                 snprintf( buf, sizeof(buf), text, words[1], words[2] );
 407                 return parse_request( buf );
 408
 409         } else {
 410                 static const char text[] = "request %s opensrf.system.method.all";
 411                 len = sizeof( text ) + strlen( words[1] );
 412                 char buf[len];
 413                 snprintf( buf, sizeof(buf), text, words[1] );
 414                 return parse_request( buf );
 415
 416         }
 417 }
 418
 419
 420 static int handle_login( char* words[]) {
 421
 422         if( words[1] && words[2]) {
 423
 424                 char* username          = words[1];
 425                 char* password          = words[2];
 426                 char* type                      = words[3];
 427                 char* orgloc            = words[4];
 428                 char* workstation       = words[5];
 429                 int orgloci = (orgloc) ? atoi(orgloc) : 0;
 430                 if(!type) type = "opac";
 431
 432                 char login_text[] = "request open-ils.auth open-ils.auth.authenticate.init \"%s\"";
 433                 size_t len = sizeof( login_text ) + strlen(username) + 1;
 434
 435                 char buf[len];
 436                 snprintf( buf, sizeof(buf), login_text, username );
 437                 parse_request(buf);
 438
 439                 const char* hash;
 440                 if(last_result && last_result->_result_content) {
 441                         jsonObject* r = last_result->_result_content;
 442                         hash = jsonObjectGetString(r);
 443                 } else return 0;
 444
 445
 446                 char* pass_buf = md5sum(password);
 447
 448                 size_t both_len = strlen( hash ) + strlen( pass_buf ) + 1;
 449                 char both_buf[both_len];
 450                 snprintf(both_buf, sizeof(both_buf), "%s%s", hash, pass_buf);
 451
 452                 char* mess_buf = md5sum(both_buf);
 453
 454                 growing_buffer* argbuf = buffer_init(64);
 455                 buffer_fadd(argbuf,
 456                                 "request open-ils.auth open-ils.auth.authenticate.complete "
 457                                 "{ \"username\" : \"%s\", \"password\" : \"%s\"", username, mess_buf );
 458
 459                 if(type) buffer_fadd( argbuf, ", \"type\" : \"%s\"", type );
 460                 if(orgloci) buffer_fadd( argbuf, ", \"org\" : %d", orgloci );
 461                 if(workstation) buffer_fadd( argbuf, ", \"workstation\" : \"%s\"", workstation);
 462                 buffer_add(argbuf, "}");
 463
 464                 free(pass_buf);
 465                 free(mess_buf);
 466
 467                 parse_request( argbuf->buf );
 468                 buffer_free(argbuf);
 469
 470                 if( login_session != NULL )
 471                         free( login_session );
 472
 473                 const jsonObject* x = last_result->_result_content;
 474                 double authtime = 0;
 475                 if(x) {
 476                         const char* authtoken = jsonObjectGetString(
 477                                         jsonObjectGetKeyConst(jsonObjectGetKeyConst(x,"payload"), "authtoken"));
 478                         authtime  = jsonObjectGetNumber(
 479                                         jsonObjectGetKeyConst(jsonObjectGetKeyConst(x,"payload"), "authtime"));
 480
 481                         if(authtoken)
 482                                 login_session = strdup(authtoken);
 483                         else
 484                                 login_session = NULL;
 485                 }
 486                 else login_session = NULL;
 487
 488                 printf("Login Session: %s.  Session timeout: %f\n",
 489                            (login_session ? login_session : "(none)"), authtime );
 490
 491                 return 1;
 492
 493         }
 494
 495         return 0;
 496 }
 497
 498 /**
 499  * Open connections to one or more specified services
 500  */
 501 static int handle_open( char* words[]) {
 502         if( NULL == words[ 1 ] ) {
 503                 if( ! server_hash || osrfHashGetCount( server_hash ) == 0 ) {
 504                         printf( "No services are currently open\n" );
 505                         return 1;
 506                 }
 507
 508                 printf( "Service(s) currently open:\n" );
 509
 510                 osrfHashIterator* itr = osrfNewHashIterator( server_hash );
 511                 while( osrfHashIteratorNext( itr ) ) {
 512                         printf( "\t%s\n", osrfHashIteratorKey( itr ) );
 513                 }
 514                 osrfHashIteratorFree( itr );
 515                 return 1;
 516         }
 517
 518         if( ! server_hash )
 519                 server_hash = osrfNewHash( 6 );
 520
 521         int i;
 522         for( i = 1; words[ i ]; ++i ) {    // for each requested service
 523                 const char* server = words[ i ];
 524                 if( osrfHashGet( server_hash, server ) ) {
 525                         printf( "Service %s is already open\n", server );
 526                         continue;
 527                 }
 528
 529                 // Try to open a session with the current specified server
 530                 osrfAppSession* session = osrfAppSessionClientInit(server);
 531
 532                 if(!osrfAppSessionConnect(session)) {
 533                         fprintf(stderr, "Unable to open service %s\n", server);
 534                         osrfLogWarning( OSRF_LOG_MARK, "Unable to open remote service %s\n", server );
 535                         osrfAppSessionFree( session );
 536                 } else {
 537                         osrfHashSet( server_hash, session, server );
 538                         printf( "Service %s opened\n", server );
 539                 }
 540         }
 541
 542         return 1;
 543 }
 544
 545 /**
 546  * Close connections to one or more specified services
 547  */
 548 static int handle_close( char* words[]) {
 549         if( NULL == words[ 1 ] ) {
 550                 fprintf( stderr, "No service specified for close\n" );
 551                 return 0;
 552         }
 553
 554         int i;
 555         for( i = 1; words[ i ]; ++i ) {
 556                 const char* server = words[ i ];
 557
 558                 osrfAppSession* session = osrfHashRemove( server_hash, server );
 559                 if( ! session ) {
 560                         printf( "Service \"%s\" is not open\n", server );
 561                         continue;
 562                 }
 563
 564                 osrf_app_session_disconnect( session );
 565                 osrfAppSessionFree( session );
 566                 printf( "Service \"%s\" closed\n", server );
 567         }
 568
 569         return 1;
 570 }
 571
 572 /**
 573  * Close all currently open connections to services
 574  */
 575 static void close_all_sessions( void ) {
 576
 577         osrfAppSession* session;
 578         osrfHashIterator* itr = osrfNewHashIterator( server_hash );
 579
 580         while(( session = osrfHashIteratorNext( itr ) )) {
 581                 osrf_app_session_disconnect( session );
 582                 osrfAppSessionFree( session );
 583         }
 584
 585         osrfHashIteratorFree( itr );
 586 }
 587
 588 static int handle_set( char* words[]) {
 589
 590         char* variable;
 591         if( (variable=words[1]) ) {
 592
 593                 char* val;
 594                 if( (val=words[2]) ) {
 595
 596                         if(!strcmp(variable,"pretty_print")) {
 597                                 if(!strcmp(val,"true")) {
 598                                         pretty_print = 1;
 599                                         printf("pretty_print = true\n");
 600                                         return 1;
 601                                 }
 602                                 if(!strcmp(val,"false")) {
 603                                         pretty_print = 0;
 604                                         printf("pretty_print = false\n");
 605                                         return 1;
 606                                 }
 607                         }
 608
 609                         if(!strcmp(variable,"raw_print")) {
 610                                 if(!strcmp(val,"true")) {
 611                                         raw_print = 1;
 612                                         printf("raw_print = true\n");
 613                                         return 1;
 614                                 }
 615                                 if(!strcmp(val,"false")) {
 616                                         raw_print = 0;
 617                                         printf("raw_print = false\n");
 618                                         return 1;
 619                                 }
 620                         }
 621
 622                 }
 623         }
 624
 625         return 0;
 626 }
 627
 628
 629 static int handle_print( char* words[]) {
 630
 631         char* variable;
 632         if( (variable=words[1]) ) {
 633                 if(!strcmp(variable,"pretty_print")) {
 634                         if(pretty_print) {
 635                                 printf("pretty_print = true\n");
 636                                 return 1;
 637                         } else {
 638                                 printf("pretty_print = false\n");
 639                                 return 1;
 640                         }
 641                 }
 642
 643                 if(!strcmp(variable,"raw_print")) {
 644                         if(raw_print) {
 645                                 printf("raw_print = true\n");
 646                                 return 1;
 647                         } else {
 648                                 printf("raw_print = false\n");
 649                                 return 1;
 650                         }
 651                 }
 652
 653                 if(!strcmp(variable,"login")) {
 654                         printf("login session = %s\n",
 655                                    login_session ? login_session : "(none)" );
 656                         return 1;
 657                 }
 658
 659         }
 660         return 0;
 661 }
 662
 663 static int handle_router( char* words[] ) {
 664
 665         if(!client)
 666                 return 1;
 667
 668         int i;
 669
 670         if( words[1] ) {
 671                 if( !strcmp(words[1],"query") ) {
 672
 673                         if( words[2] && !strcmp(words[2],"servers") ) {
 674                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
 675                                         router_query_servers( words[i] );
 676                                 }
 677                                 return 1;
 678                         }
 679                         return 0;
 680                 }
 681                 return 0;
 682         }
 683         return 0;
 684 }
 685
 686
 687
 688 static int handle_request( char* words[], int relay ) {
 689
 690         if(!client)
 691                 return 1;
 692
 693         if(words[1]) {
 694                 char* server = words[1];
 695                 char* method = words[2];
 696                 int i;
 697                 growing_buffer* buffer = NULL;
 698                 if(!relay) {
 699                         buffer = buffer_init(128);
 700                         buffer_add(buffer, "[");
 701                         for(i = 3; words[i] != NULL; i++ ) {
 702                                 /* removes trailing semicolon if user accidentally enters it */
 703                                 if( words[i][strlen(words[i])-1] == ';' )
 704                                         words[i][strlen(words[i])-1] = '\0';
 705                                 buffer_add( buffer, words[i] );
 706                                 buffer_add(buffer, " ");
 707                         }
 708                         buffer_add(buffer, "]");
 709                 }
 710
 711                 int rc = send_request( server, method, buffer, relay );
 712                 buffer_free( buffer );
 713                 return rc;
 714         }
 715
 716         return 0;
 717 }
 718
 719 int send_request( char* server,
 720                 char* method, growing_buffer* buffer, int relay ) {
 721         if( server == NULL || method == NULL )
 722                 return 0;
 723
 724         jsonObject* params = NULL;
 725         if( !relay ) {
 726                 if( buffer != NULL && buffer->n_used > 0 )
 727                         params = jsonParseString(buffer->buf);
 728         } else {
 729                 if(!last_result || ! last_result->_result_content) {
 730                         printf("We're not going to call 'relay' with no result params\n");
 731                         return 1;
 732                 }
 733                 else {
 734                         params = jsonNewObject(NULL);
 735                         jsonObjectPush(params, last_result->_result_content );
 736                 }
 737         }
 738
 739         if(buffer->n_used > 0 && params == NULL) {
 740                 fprintf(stderr, "JSON error detected, not executing\n");
 741                 jsonObjectFree(params);
 742                 return 1;
 743         }
 744
 745         int session_is_temporary;    // boolean
 746         osrfAppSession* session = osrfHashGet( server_hash, server );
 747         if( session ) {
 748                 session_is_temporary = 0;     // use an existing session
 749         } else {
 750                 session = osrfAppSessionClientInit(server);   // open a session
 751                 session_is_temporary = 1;                     // just for this request
 752         }
 753
 754         if(!osrfAppSessionConnect(session)) {
 755                 fprintf(stderr, "Unable to communicate with service %s\n", server);
 756                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
 757                 osrfAppSessionFree( session );
 758                 jsonObjectFree(params);
 759                 return 1;
 760         }
 761
 762         double start = get_timestamp_millis();
 763
 764         int req_id = osrfAppSessionMakeRequest( session, params, method, 1, NULL );
 765         jsonObjectFree(params);
 766
 767         osrfMessage* omsg = osrfAppSessionRequestRecv( session, req_id, recv_timeout );
 768
 769         if(!omsg)
 770                 printf("\nReceived no data from server\n");
 771
 772
 773         signal(SIGPIPE, SIG_IGN);
 774
 775         FILE* less;
 776         if(!is_from_script) less = popen( "less -EX", "w");
 777         else less = stdout;
 778
 779         if( less == NULL ) { less = stdout; }
 780
 781         growing_buffer* resp_buffer = buffer_init(4096);
 782
 783         while(omsg) {
 784
 785                 if(raw_print) {
 786
 787                         if(omsg->_result_content) {
 788
 789                                 osrfMessageFree(last_result);
 790                                 last_result = omsg;
 791
 792                                 char* content;
 793
 794                                 if( pretty_print ) {
 795                                         char* j = jsonObjectToJSON(omsg->_result_content);
 796                                         //content = json_printer(j);
 797                                         content = jsonFormatString(j);
 798                                         free(j);
 799                                 } else {
 800                                         const char * temp_content = jsonObjectGetString(omsg->_result_content);
 801                                         if( ! temp_content )
 802                                                 temp_content = "[null]";
 803                                         content = strdup( temp_content );
 804                                 }
 805
 806                                 printf( "\nReceived Data: %s\n", content );
 807                                 free(content);
 808
 809                         } else {
 810
 811                                 char code[16];
 812                                 snprintf( code, sizeof(code), "%d", omsg->status_code );
 813                                 buffer_add( resp_buffer, code );
 814
 815                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n",
 816                                                 omsg->status_name, omsg->status_text, code );
 817
 818                                 fflush(stdout);
 819                                 osrfMessageFree(omsg);
 820                         }
 821
 822                 } else {
 823
 824                         if(omsg->_result_content) {
 825
 826                                 osrfMessageFree(last_result);
 827                                 last_result = omsg;
 828
 829                                 char* content;
 830
 831                                 if( pretty_print && omsg->_result_content ) {
 832                                         char* j = jsonObjectToJSON(omsg->_result_content);
 833                                         //content = json_printer(j);
 834                                         content = jsonFormatString(j);
 835                                         free(j);
 836                                 } else {
 837                                         const char * temp_content = jsonObjectGetString(omsg->_result_content);
 838                                         if( temp_content )
 839                                                 content = strdup( temp_content );
 840                                         else
 841                                                 content = NULL;
 842                                 }
 843
 844                                 buffer_add( resp_buffer, "\nReceived Data: " );
 845                                 buffer_add( resp_buffer, content );
 846                                 buffer_add( resp_buffer, "\n" );
 847                                 free(content);
 848
 849                         } else {
 850
 851                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
 852                                 buffer_add( resp_buffer, omsg->status_name );
 853                                 buffer_add( resp_buffer, "\nStatus: " );
 854                                 buffer_add( resp_buffer, omsg->status_text );
 855                                 buffer_add( resp_buffer, "\nStatus: " );
 856                                 char code[16];
 857                                 snprintf( code, sizeof(code), "%d", omsg->status_code );
 858                                 buffer_add( resp_buffer, code );
 859                                 osrfMessageFree(omsg);
 860                         }
 861                 }
 862
 863                 omsg = osrfAppSessionRequestRecv( session, req_id, recv_timeout );
 864
 865         }
 866
 867         double end = get_timestamp_millis();
 868
 869         fputs( resp_buffer->buf, less );
 870         buffer_free( resp_buffer );
 871         fputs("\n------------------------------------\n", less);
 872         if( osrf_app_session_request_complete( session, req_id ))
 873                 fputs("Request Completed Successfully\n", less);
 874
 875
 876         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
 877         fputs("------------------------------------\n", less);
 878
 879         pclose(less);
 880
 881         osrf_app_session_request_finish( session, req_id );
 882
 883         if( session_is_temporary ) {
 884                 osrf_app_session_disconnect( session );
 885                 osrfAppSessionFree( session );
 886         }
 887
 888         return 1;
 889
 890
 891 }
 892
 893 static int handle_time( char* words[] ) {
 894         if(!words[1]) {
 895                 printf("%f\n", get_timestamp_millis());
 896     } else {
 897         time_t epoch = (time_t) atoi(words[1]);
 898                 printf("%s", ctime(&epoch));
 899     }
 900         return 1;
 901 }
 902
 903
 904
 905 static int router_query_servers( const char* router_server ) {
 906
 907         if( ! router_server || strlen(router_server) == 0 )
 908                 return 0;
 909
 910         const static char router_text[] = "router@%s/router";
 911         size_t len = sizeof( router_text ) + strlen( router_server ) + 1;
 912         char rbuf[len];
 913         snprintf(rbuf, sizeof(rbuf), router_text, router_server );
 914
 915         transport_message* send =
 916                 message_init( "servers", NULL, NULL, rbuf, NULL );
 917         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
 918
 919         client_send_message( client, send );
 920         message_free( send );
 921
 922         transport_message* recv = client_recv( client, -1 );
 923         if( recv == NULL ) {
 924                 fprintf(stderr, "NULL message received from router\n");
 925                 return 1;
 926         }
 927
 928         printf(
 929                         "---------------------------------------------------------------------------------\n"
 930                         "Received from 'server' query on %s\n"
 931                         "---------------------------------------------------------------------------------\n"
 932                         "original reg time | latest reg time | last used time | class | server\n"
 933                         "---------------------------------------------------------------------------------\n"
 934                         "%s"
 935                         "---------------------------------------------------------------------------------\n"
 936                         , router_server, recv->body );
 937
 938         message_free( recv );
 939
 940         return 1;
 941 }
 942
 943 static int print_help( void ) {
 944
 945         fputs(
 946                         "---------------------------------------------------------------------------------\n"
 947                         "Commands:\n"
 948                         "---------------------------------------------------------------------------------\n"
 949                         "help                   - Display this message\n"
 950                         "!<command> [args]      - Forks and runs the given command in the shell\n"
 951                 /*
 952                         "time                   - Prints the current time\n"
 953                         "time <timestamp>       - Formats seconds since epoch into readable format\n"
 954                 */
 955                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
 956                         "print <variable>       - Displays the value of a srfsh variable\n"
 957                         "---------------------------------------------------------------------------------\n"
 958
 959                         "router query servers <server1 [, server2, ...]>\n"
 960                         "       - Returns stats on connected services\n"
 961                         "\n"
 962                         "\n"
 963                         "request <service> <method> [ <json formatted string of params> ]\n"
 964                         "       - Anything passed in will be wrapped in a json array,\n"
 965                         "               so add commas if there is more than one param\n"
 966                         "\n"
 967                         "\n"
 968                         "relay <service> <method>\n"
 969                         "       - Performs the requested query using the last received result as the param\n"
 970                         "\n"
 971                         "\n"
 972                         "math_bench <num_batches> [0|1|2]\n"
 973                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
 974                         "                2 means reconnect after every request\n"
 975                         "\n"
 976                         "introspect <service>\n"
 977                         "       - prints the API for the service\n"
 978                         "\n"
 979                         "\n"
 980                         "---------------------------------------------------------------------------------\n"
 981                         " Commands for Open-ILS\n"
 982                         "---------------------------------------------------------------------------------\n"
 983                         "login <username> <password> [type] [org_unit] [workstation]\n"
 984                         "       - Logs into the 'server' and displays the session id\n"
 985                         "       - To view the session id later, enter: print login\n"
 986                         "---------------------------------------------------------------------------------\n"
 987                         "\n"
 988                         "\n"
 989                         "Note: long output is piped through 'less'. To search in 'less', type: /<search>\n"
 990                         "---------------------------------------------------------------------------------\n"
 991                         "\n",
 992                         stdout );
 993
 994         return 1;
 995 }
 996
 997
 998 /*
 999 static char* tabs(int count) {
1000         growing_buffer* buf = buffer_init(24);
1001         int i;
1002         for(i=0;i!=count;i++)
1003                 buffer_add(buf, "  ");
1004
1005         char* final = buffer_data( buf );
1006         buffer_free( buf );
1007         return final;
1008 }
1009 */
1010
1011
1012 static int handle_math( char* words[] ) {
1013         if( words[1] )
1014                 return do_math( atoi(words[1]), 0 );
1015         return 0;
1016 }
1017
1018
1019 static int do_math( int count, int style ) {
1020
1021         osrfAppSession* session = osrfAppSessionClientInit( "opensrf.math" );
1022         osrfAppSessionConnect(session);
1023
1024         jsonObject* params = jsonParseString("[]");
1025         jsonObjectPush(params,jsonNewObject("1"));
1026         jsonObjectPush(params,jsonNewObject("2"));
1027
1028         char* methods[] = { "add", "sub", "mult", "div" };
1029         char* answers[] = { "3", "-1", "2", "0.5" };
1030
1031         float times[ count * 4 ];
1032         memset(times, 0, sizeof(times));
1033
1034         int k;
1035         for(k=0;k!=100;k++) {
1036                 if(!(k%10))
1037                         fprintf(stderr,"|");
1038                 else
1039                         fprintf(stderr,".");
1040         }
1041
1042         fprintf(stderr,"\n\n");
1043
1044         int running = 0;
1045         int i;
1046         for(i=0; i!= count; i++) {
1047
1048                 int j;
1049                 for(j=0; j != 4; j++) {
1050
1051                         ++running;
1052
1053                         double start = get_timestamp_millis();
1054                         int req_id = osrfAppSessionMakeRequest( session, params, methods[j], 1, NULL );
1055                         osrfMessage* omsg = osrfAppSessionRequestRecv( session, req_id, 5 );
1056                         double end = get_timestamp_millis();
1057
1058                         times[(4*i) + j] = end - start;
1059
1060                         if(omsg) {
1061
1062                                 if(omsg->_result_content) {
1063                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
1064                                         if(!strcmp(jsn, answers[j]))
1065                                                 fprintf(stderr, "+");
1066                                         else
1067                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
1068                                         free(jsn);
1069                                 }
1070
1071
1072                                 osrfMessageFree(omsg);
1073
1074                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
1075
1076                         osrf_app_session_request_finish( session, req_id );
1077
1078                         if(style == 2)
1079                                 osrf_app_session_disconnect( session );
1080
1081                         if(!(running%100))
1082                                 fprintf(stderr,"\n");
1083                 }
1084
1085                 if(style==1)
1086                         osrf_app_session_disconnect( session );
1087         }
1088
1089         osrfAppSessionFree( session );
1090         jsonObjectFree(params);
1091
1092         int c;
1093         float total = 0;
1094         for(c=0; c!= count*4; c++)
1095                 total += times[c];
1096
1097         float avg = total / (count*4);
1098         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
1099
1100         return 1;
1101 }