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[OpenSRF.git] / src / srfsh / srfsh.c
1 #include <opensrf/transport_client.h>
2 #include <opensrf/osrf_message.h>
3 #include <opensrf/osrf_app_session.h>
4 #include <time.h>
5 #include <ctype.h>
6 #include <sys/timeb.h>
7 #include <sys/types.h>
8 #include <sys/wait.h>
9
10 #include <opensrf/utils.h>
11 #include <opensrf/log.h>
12
13 #include <signal.h>
14
15 #include <stdio.h>
16 #include <readline/readline.h>
17 #include <readline/history.h>
18
19 #define SRFSH_PORT 5222
20 #define COMMAND_BUFSIZE 4096
21
22
23 /* shell prompt */
24 static const char* prompt = "srfsh# ";
25
26 static char* history_file = NULL;
27
28 //static int child_dead = 0;
29
30 static char* login_session = NULL;
31
32 /* true if we're pretty printing json results */
33 static int pretty_print = 1;
34 /* true if we're bypassing 'less' */
35 static int raw_print = 0;
36
37 /* our jabber connection */
38 static transport_client* client = NULL; 
39
40 /* the last result we received */
41 static osrf_message* last_result = NULL;
42
43 /* functions */
44 static int parse_request( char* request );
45
46 /* handles router requests */
47 static int handle_router( char* words[] );
48
49 /* utility method for print time data */
50 /* static int handle_time( char* words[] ); */
51
52 /* handles app level requests */
53 static int handle_request( char* words[], int relay );
54 static int handle_set( char* words[]);
55 static int handle_print( char* words[]);
56 static int send_request( char* server, 
57                                   char* method, growing_buffer* buffer, int relay );
58 static int parse_error( char* words[] );
59 static int router_query_servers( const char* server );
60 static int print_help( void );
61
62 //static int srfsh_client_connect();
63 //static char* tabs(int count);
64 //static void sig_child_handler( int s );
65 //static void sig_int_handler( int s );
66
67 static int load_history( void );
68 static int handle_math( char* words[] );
69 static int do_math( int count, int style );
70 static int handle_introspect(char* words[]);
71 static int handle_login( char* words[]);
72
73 static int recv_timeout = 120;
74 static int is_from_script = 0;
75
76 int main( int argc, char* argv[] ) {
77
78         /* --------------------------------------------- */
79         /* see if they have a .srfsh.xml in their home directory */
80         char* home = getenv("HOME");
81         int l = strlen(home) + 36;
82         char fbuf[l];
83         memset(fbuf, 0, l);
84         sprintf(fbuf,"%s/.srfsh.xml",home);
85         
86         if(!access(fbuf, R_OK)) {
87                 if( ! osrf_system_bootstrap_client(fbuf, "srfsh") ) {
88                         fprintf(stderr,"Unable to bootstrap client for requests\n");
89                         osrfLogError( OSRF_LOG_MARK,  "Unable to bootstrap client for requests");
90                         return -1;
91                 }
92
93         } else {
94                 fprintf(stderr,"No Config file found at %s\n", fbuf ); 
95                 return -1;
96         }
97
98         if(argc > 1) {
99                 /* for now.. the first arg is used as a script file for processing */
100                 int f;
101                 if( (f = open(argv[1], O_RDONLY)) == -1 ) {
102                         osrfLogError( OSRF_LOG_MARK, "Unable to open file %s for reading, exiting...", argv[1]);
103                         return -1;
104                 }
105
106                 if(dup2(f, STDIN_FILENO) == -1) {
107                         osrfLogError( OSRF_LOG_MARK, "Unable to duplicate STDIN, exiting...");
108                         return -1;
109                 }
110
111                 close(f);
112                 is_from_script = 1;
113         }
114                 
115         /* --------------------------------------------- */
116         load_history();
117
118
119         client = osrf_system_get_transport_client();
120
121         /* main process loop */
122         int newline_needed = 1;  /* used as boolean */
123         char* request;
124         while((request=readline(prompt))) {
125
126                 // Find first non-whitespace character
127                 
128                 char * cmd = request;
129                 while( isspace( (unsigned char) *cmd ) )
130                         ++cmd;
131
132                 // ignore comments and empty lines
133
134                 if( '\0' == *cmd || '#' == *cmd )
135                         continue;
136
137                 // Remove trailing whitespace.  We know at this point that
138                 // there is at least one non-whitespace character somewhere,
139                 // or we would have already skipped this line.  Hence we
140                 // needn't check to make sure that we don't back up past
141                 // the beginning.
142
143                 {
144                         // The curly braces limit the scope of the end variable
145                         
146                         char * end = cmd + strlen(cmd) - 1;
147                         while( isspace( (unsigned char) *end ) )
148                                 --end;
149                         end[1] = '\0';
150                 }
151
152                 if( !strcasecmp(cmd, "exit") || !strcasecmp(cmd, "quit"))
153                 {
154                         newline_needed = 0;
155                         break; 
156                 }
157                 
158                 char* req_copy = strdup(cmd);
159
160                 parse_request( req_copy ); 
161                 if( request && *cmd ) {
162                         add_history(request);
163                 }
164
165                 free(request);
166                 free(req_copy);
167
168                 fflush(stderr);
169                 fflush(stdout);
170         }
171
172         if( newline_needed ) {
173                 
174                 // We left the readline loop after seeing an EOF, not after
175                 // seeing "quit" or "exit".  So we issue a newline in order
176                 // to avoid leaving a dangling prompt.
177
178                 putchar( '\n' );
179         }
180
181         if(history_file != NULL )
182                 write_history(history_file);
183
184         free(request);
185
186         osrf_system_shutdown();
187         return 0;
188 }
189
190 /*
191 static void sig_child_handler( int s ) {
192         child_dead = 1;
193 }
194 */
195
196 /*
197 void sig_int_handler( int s ) {
198         printf("\n");
199         caught_sigint = 1;
200         signal(SIGINT,sig_int_handler);
201 }
202 */
203
204 static int load_history( void ) {
205
206         char* home = getenv("HOME");
207         int l = strlen(home) + 24;
208         char fbuf[l];
209
210         memset(fbuf, 0, l);
211         sprintf(fbuf,"%s/.srfsh_history",home);
212         history_file = strdup(fbuf);
213
214         if(!access(history_file, W_OK | R_OK )) {
215                 history_length = 5000;
216                 read_history(history_file);
217         }
218         return 1;
219 }
220
221
222 static int parse_error( char* words[] ) {
223
224         if( ! words )
225                 return 0;
226
227         growing_buffer * gbuf = buffer_init( 64 );
228         buffer_add( gbuf, *words );
229         while( *++words ) {
230                 buffer_add( gbuf, " " );
231                 buffer_add( gbuf, *words );
232         }
233         fprintf( stderr, "???: %s\n", gbuf->buf );
234         buffer_free( gbuf );
235         
236         return 0;
237
238 }
239
240
241 static int parse_request( char* request ) {
242
243         if( request == NULL )
244                 return 0;
245
246         char* original_request = strdup( request );
247         char* words[COMMAND_BUFSIZE]; 
248         
249         int ret_val = 0;
250         int i = 0;
251
252
253         char* req = request;
254         char* cur_tok = strtok( req, " " );
255
256         if( cur_tok == NULL )
257         {
258                 free( original_request );
259                 return 0;
260         }
261
262         /* Load an array with pointers to    */
263         /* the tokens as defined by strtok() */
264         
265         while(cur_tok != NULL) {
266                 if( i < COMMAND_BUFSIZE - 1 ) {
267                         words[i++] = cur_tok;
268                         cur_tok = strtok( NULL, " " );
269                 } else {
270                         fprintf( stderr, "Too many tokens in command\n" );
271                         free( original_request );
272                         return 1;
273                 }
274         }
275
276         words[i] = NULL;
277         
278         /* pass off to the top level command */
279         if( !strcmp(words[0],"router") ) 
280                 ret_val = handle_router( words );
281
282         /*
283         else if( !strcmp(words[0],"time") ) 
284                 ret_val = handle_time( words );
285                 */
286
287         else if (!strcmp(words[0],"request"))
288                 ret_val = handle_request( words, 0 );
289
290         else if (!strcmp(words[0],"relay"))
291                 ret_val = handle_request( words, 1 );
292
293         else if (!strcmp(words[0],"help"))
294                 ret_val = print_help();
295
296         else if (!strcmp(words[0],"set"))
297                 ret_val = handle_set(words);
298
299         else if (!strcmp(words[0],"print"))
300                 ret_val = handle_print(words);
301
302         else if (!strcmp(words[0],"math_bench"))
303                 ret_val = handle_math(words);
304
305         else if (!strcmp(words[0],"introspect"))
306                 ret_val = handle_introspect(words);
307
308         else if (!strcmp(words[0],"login"))
309                 ret_val = handle_login(words);
310
311         else if (words[0][0] == '!') {
312                 system( original_request + 1 );
313                 ret_val = 1;
314         }
315         
316         free( original_request );
317         
318         if(!ret_val)
319                 return parse_error( words );
320         else
321                 return 1;
322 }
323
324
325 static int handle_introspect(char* words[]) {
326
327         if(words[1] && words[2]) {
328                 fprintf(stderr, "--> %s\n", words[1]);
329                 char buf[256];
330                 memset(buf,0,256);
331                 sprintf( buf, "request %s opensrf.system.method %s", words[1], words[2] );
332                 return parse_request( buf );
333
334         } else {
335         
336                 if(words[1]) {
337                         fprintf(stderr, "--> %s\n", words[1]);
338                         char buf[256];
339                         memset(buf,0,256);
340                         sprintf( buf, "request %s opensrf.system.method.all", words[1] );
341                         return parse_request( buf );
342                 }
343         }
344
345         return 0;
346 }
347
348
349 static int handle_login( char* words[]) {
350
351         if( words[1] && words[2]) {
352
353                 char* username          = words[1];
354                 char* password          = words[2];
355                 char* type                      = words[3];
356                 char* orgloc            = words[4];
357                 char* workstation       = words[5];
358                 int orgloci = (orgloc) ? atoi(orgloc) : 0;
359                 if(!type) type = "opac";
360
361                 char buf[256];
362                 memset(buf,0,256);
363
364                 char buf2[256];
365                 memset(buf2,0,256);
366
367                 sprintf( buf, 
368                                 "request open-ils.auth open-ils.auth.authenticate.init \"%s\"", username );
369                 parse_request(buf); 
370
371                 char* hash;
372                 if(last_result && last_result->_result_content) {
373                         jsonObject* r = last_result->_result_content;
374                         hash = jsonObjectGetString(r);
375                 } else return 0;
376
377
378                 char* pass_buf = md5sum(password);
379
380                 char both_buf[256];
381                 memset(both_buf,0,256);
382                 sprintf(both_buf,"%s%s",hash, pass_buf);
383
384                 char* mess_buf = md5sum(both_buf);
385
386                 /*
387                 sprintf( buf2, "request open-ils.auth open-ils.auth.authenticate.complete "
388                                 "{ \"username\" : \"%s\", \"password\" : \"%s\", "
389                                 "\"type\" : \"%s\", \"org\" : %d, \"workstation\": \"%s\"}", 
390                                 username, mess_buf, type, orgloci, workstation );
391                                 */
392
393                 growing_buffer* argbuf = buffer_init(64);
394                 buffer_fadd(argbuf, 
395                                 "request open-ils.auth open-ils.auth.authenticate.complete "
396                                 "{ \"username\" : \"%s\", \"password\" : \"%s\"", username, mess_buf );
397
398                 if(type) buffer_fadd( argbuf, ", \"type\" : \"%s\"", type );
399                 if(orgloci) buffer_fadd( argbuf, ", \"org\" : %d", orgloci );
400                 if(workstation) buffer_fadd( argbuf, ", \"workstation\" : \"%s\"", workstation);
401                 buffer_add(argbuf, "}");
402
403                 free(pass_buf);
404                 free(mess_buf);
405
406                 parse_request( argbuf->buf );
407                 buffer_free(argbuf);
408
409                 jsonObject* x = last_result->_result_content;
410                 double authtime = 0;
411                 if(x) {
412                         char* authtoken = jsonObjectGetString(
413                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtoken"));
414                         authtime  = jsonObjectGetNumber(
415                                         jsonObjectGetKey(jsonObjectGetKey(x,"payload"), "authtime"));
416                         if(authtoken) login_session = strdup(authtoken);
417                         else login_session = NULL;
418                 }
419                 else login_session = NULL;
420
421                 printf("Login Session: %s.  Session timeout: %f\n", login_session, authtime );
422                 
423                 return 1;
424
425         }
426
427         return 0;
428 }
429
430 static int handle_set( char* words[]) {
431
432         char* variable;
433         if( (variable=words[1]) ) {
434
435                 char* val;
436                 if( (val=words[2]) ) {
437
438                         if(!strcmp(variable,"pretty_print")) {
439                                 if(!strcmp(val,"true")) {
440                                         pretty_print = 1;
441                                         printf("pretty_print = true\n");
442                                         return 1;
443                                 } 
444                                 if(!strcmp(val,"false")) {
445                                         pretty_print = 0;
446                                         printf("pretty_print = false\n");
447                                         return 1;
448                                 } 
449                         }
450
451                         if(!strcmp(variable,"raw_print")) {
452                                 if(!strcmp(val,"true")) {
453                                         raw_print = 1;
454                                         printf("raw_print = true\n");
455                                         return 1;
456                                 } 
457                                 if(!strcmp(val,"false")) {
458                                         raw_print = 0;
459                                         printf("raw_print = false\n");
460                                         return 1;
461                                 } 
462                         }
463
464                 }
465         }
466
467         return 0;
468 }
469
470
471 static int handle_print( char* words[]) {
472
473         char* variable;
474         if( (variable=words[1]) ) {
475                 if(!strcmp(variable,"pretty_print")) {
476                         if(pretty_print) {
477                                 printf("pretty_print = true\n");
478                                 return 1;
479                         } else {
480                                 printf("pretty_print = false\n");
481                                 return 1;
482                         }
483                 }
484
485                 if(!strcmp(variable,"login")) {
486                         printf("login session = %s\n", login_session );
487                         return 1;
488                 }
489
490         }
491         return 0;
492 }
493
494 static int handle_router( char* words[] ) {
495
496         if(!client)
497                 return 1;
498
499         int i;
500
501         if( words[1] ) { 
502                 if( !strcmp(words[1],"query") ) {
503                         
504                         if( words[2] && !strcmp(words[2],"servers") ) {
505                                 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {   
506                                         router_query_servers( words[i] );
507                                 }
508                                 return 1;
509                         }
510                         return 0;
511                 }
512                 return 0;
513         }
514         return 0;
515 }
516
517
518
519 static int handle_request( char* words[], int relay ) {
520
521         if(!client)
522                 return 1;
523
524         if(words[1]) {
525                 char* server = words[1];
526                 char* method = words[2];
527                 int i;
528                 growing_buffer* buffer = NULL;
529                 if(!relay) {
530                         buffer = buffer_init(128);
531                         buffer_add(buffer, "[");
532                         for(i = 3; words[i] != NULL; i++ ) {
533                                 /* removes trailing semicolon if user accidentally enters it */
534                                 if( words[i][strlen(words[i])-1] == ';' )
535                                         words[i][strlen(words[i])-1] = '\0';
536                                 buffer_add( buffer, words[i] );
537                                 buffer_add(buffer, " ");
538                         }
539                         buffer_add(buffer, "]");
540                 }
541
542                 return send_request( server, method, buffer, relay );
543         } 
544
545         return 0;
546 }
547
548 int send_request( char* server, 
549                 char* method, growing_buffer* buffer, int relay ) {
550         if( server == NULL || method == NULL )
551                 return 0;
552
553         jsonObject* params = NULL;
554         if( !relay ) {
555                 if( buffer != NULL && buffer->n_used > 0 ) 
556                         params = json_parse_string(buffer->buf);
557         } else {
558                 if(!last_result || ! last_result->_result_content) { 
559                         printf("We're not going to call 'relay' with no result params\n");
560                         return 1;
561                 }
562                 else {
563                         jsonObject* o = jsonNewObject(NULL);
564                         jsonObjectPush(o, last_result->_result_content );
565                         params = o;
566                 }
567         }
568
569
570         if(buffer->n_used > 0 && params == NULL) {
571                 fprintf(stderr, "JSON error detected, not executing\n");
572                 return 1;
573         }
574
575         osrf_app_session* session = osrf_app_client_session_init(server);
576
577         if(!osrf_app_session_connect(session)) {
578                 osrfLogWarning( OSRF_LOG_MARK,  "Unable to connect to remote service %s\n", server );
579                 return 1;
580         }
581
582         double start = get_timestamp_millis();
583         //int req_id = osrf_app_session_make_request( session, params, method, 1, NULL );
584         int req_id = osrf_app_session_make_req( session, params, method, 1, NULL );
585
586
587         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
588
589         if(!omsg) 
590                 printf("\nReceived no data from server\n");
591         
592         
593         signal(SIGPIPE, SIG_IGN);
594
595         FILE* less; 
596         if(!is_from_script) less = popen( "less -EX", "w");
597         else less = stdout;
598
599         if( less == NULL ) { less = stdout; }
600
601         growing_buffer* resp_buffer = buffer_init(4096);
602
603         while(omsg) {
604
605                 if(raw_print) {
606
607                         if(omsg->_result_content) {
608         
609                                 osrf_message_free(last_result);
610                                 last_result = omsg;
611         
612                                 char* content;
613         
614                                 if( pretty_print && omsg->_result_content ) {
615                                         char* j = jsonObjectToJSON(omsg->_result_content);
616                                         //content = json_printer(j); 
617                                         content = jsonFormatString(j);
618                                         free(j);
619                                 } else
620                                         content = jsonObjectGetString(omsg->_result_content);
621         
622                                 printf( "\nReceived Data: %s\n", content ); 
623                                 free(content);
624         
625                         } else {
626
627                                 char code[16];
628                                 memset(code, 0, 16);
629                                 sprintf( code, "%d", omsg->status_code );
630                                 buffer_add( resp_buffer, code );
631
632                                 printf( "\nReceived Exception:\nName: %s\nStatus: %s\nStatus: %s\n", 
633                                                 omsg->status_name, omsg->status_text, code );
634
635                                 fflush(stdout);
636                         }
637
638                 } else {
639
640                         if(omsg->_result_content) {
641         
642                                 osrf_message_free(last_result);
643                                 last_result = omsg;
644         
645                                 char* content;
646         
647                                 if( pretty_print && omsg->_result_content ) {
648                                         char* j = jsonObjectToJSON(omsg->_result_content);
649                                         //content = json_printer(j); 
650                                         content = jsonFormatString(j);
651                                         free(j);
652                                 } else
653                                         content = jsonObjectGetString(omsg->_result_content);
654         
655                                 buffer_add( resp_buffer, "\nReceived Data: " ); 
656                                 buffer_add( resp_buffer, content );
657                                 buffer_add( resp_buffer, "\n" );
658                                 free(content);
659         
660                         } else {
661         
662                                 buffer_add( resp_buffer, "\nReceived Exception:\nName: " );
663                                 buffer_add( resp_buffer, omsg->status_name );
664                                 buffer_add( resp_buffer, "\nStatus: " );
665                                 buffer_add( resp_buffer, omsg->status_text );
666                                 buffer_add( resp_buffer, "\nStatus: " );
667                                 char code[16];
668                                 memset(code, 0, 16);
669                                 sprintf( code, "%d", omsg->status_code );
670                                 buffer_add( resp_buffer, code );
671                         }
672                 }
673
674
675                 omsg = osrf_app_session_request_recv( session, req_id, recv_timeout );
676
677         }
678
679         double end = get_timestamp_millis();
680
681         fprintf( less, resp_buffer->buf );
682         buffer_free( resp_buffer );
683         fprintf( less, "\n------------------------------------\n");
684         if( osrf_app_session_request_complete( session, req_id ))
685                 fprintf(less, "Request Completed Successfully\n");
686
687
688         fprintf(less, "Request Time in seconds: %.6f\n", end - start );
689         fprintf(less, "------------------------------------\n");
690
691         pclose(less); 
692
693         osrf_app_session_request_finish( session, req_id );
694         osrf_app_session_disconnect( session );
695         osrf_app_session_destroy( session );
696
697
698         return 1;
699
700
701 }
702
703 /*
704 static int handle_time( char* words[] ) {
705
706         if( ! words[1] ) {
707
708                 char buf[36];
709                 memset(buf,0,36);
710                 get_timestamp(buf);
711                 printf( "%s\n", buf );
712                 return 1;
713         }
714
715         if( words[1] ) {
716                 time_t epoch = (time_t)atoi( words[1] );
717                 char* localtime = strdup( ctime( &epoch ) );
718                 printf( "%s => %s", words[1], localtime );
719                 free(localtime);
720                 return 1;
721         }
722
723         return 0;
724
725 }
726 */
727
728                 
729
730 static int router_query_servers( const char* router_server ) {
731
732         if( ! router_server || strlen(router_server) == 0 ) 
733                 return 0;
734
735         char rbuf[256];
736         memset(rbuf,0,256);
737         sprintf(rbuf,"router@%s/router", router_server );
738                 
739         transport_message* send = 
740                 message_init( "servers", NULL, NULL, rbuf, NULL );
741         message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
742
743         client_send_message( client, send );
744         message_free( send );
745
746         transport_message* recv = client_recv( client, -1 );
747         if( recv == NULL ) {
748                 fprintf(stderr, "NULL message received from router\n");
749                 return 1;
750         }
751         
752         printf( 
753                         "---------------------------------------------------------------------------------\n"
754                         "Received from 'server' query on %s\n"
755                         "---------------------------------------------------------------------------------\n"
756                         "original reg time | latest reg time | last used time | class | server\n"
757                         "---------------------------------------------------------------------------------\n"
758                         "%s"
759                         "---------------------------------------------------------------------------------\n"
760                         , router_server, recv->body );
761
762         message_free( recv );
763         
764         return 1;
765 }
766
767 static int print_help( void ) {
768
769         printf(
770                         "---------------------------------------------------------------------------------\n"
771                         "Commands:\n"
772                         "---------------------------------------------------------------------------------\n"
773                         "help                   - Display this message\n"
774                         "!<command> [args] - Forks and runs the given command in the shell\n"
775                 /*
776                         "time                   - Prints the current time\n"
777                         "time <timestamp>       - Formats seconds since epoch into readable format\n"   
778                 */
779                         "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
780                         "print <variable>               - Displays the value of a srfsh variable\n"
781                         "---------------------------------------------------------------------------------\n"
782
783                         "router query servers <server1 [, server2, ...]>\n"
784                         "       - Returns stats on connected services\n"
785                         "\n"
786                         "\n"
787                         "request <service> <method> [ <json formatted string of params> ]\n"
788                         "       - Anything passed in will be wrapped in a json array,\n"
789                         "               so add commas if there is more than one param\n"
790                         "\n"
791                         "\n"
792                         "relay <service> <method>\n"
793                         "       - Performs the requested query using the last received result as the param\n"
794                         "\n"
795                         "\n"
796                         "math_bench <num_batches> [0|1|2]\n"
797                         "       - 0 means don't reconnect, 1 means reconnect after each batch of 4, and\n"
798                         "                2 means reconnect after every request\n"
799                         "\n"
800                         "introspect <service>\n"
801                         "       - prints the API for the service\n"
802                         "\n"
803                         "\n"
804                         "---------------------------------------------------------------------------------\n"
805                         " Commands for Open-ILS\n"
806                         "---------------------------------------------------------------------------------\n"
807                         "login <username> <password>\n"
808                         "       -       Logs into the 'server' and displays the session id\n"
809                         "       - To view the session id later, enter: print login\n"
810                         "---------------------------------------------------------------------------------\n"
811                         "\n"
812                         "\n"
813                         "Note: long output is piped through 'less'.  To search in 'less', type: /<search>\n"
814                         "---------------------------------------------------------------------------------\n"
815                         "\n"
816                         );
817
818         return 1;
819 }
820
821
822 /*
823 static char* tabs(int count) {
824         growing_buffer* buf = buffer_init(24);
825         int i;
826         for(i=0;i!=count;i++)
827                 buffer_add(buf, "  ");
828
829         char* final = buffer_data( buf );
830         buffer_free( buf );
831         return final;
832 }
833 */
834
835
836 static int handle_math( char* words[] ) {
837         if( words[1] )
838                 return do_math( atoi(words[1]), 0 );
839         return 0;
840 }
841
842
843 static int do_math( int count, int style ) {
844
845         osrf_app_session* session = osrf_app_client_session_init(  "opensrf.math" );
846         osrf_app_session_connect(session);
847
848         jsonObject* params = json_parse_string("[]");
849         jsonObjectPush(params,jsonNewObject("1"));
850         jsonObjectPush(params,jsonNewObject("2"));
851
852         char* methods[] = { "add", "sub", "mult", "div" };
853         char* answers[] = { "3", "-1", "2", "0.500000" };
854
855         float times[ count * 4 ];
856         memset(times,0,count*4);
857
858         int k;
859         for(k=0;k!=100;k++) {
860                 if(!(k%10)) 
861                         fprintf(stderr,"|");
862                 else
863                         fprintf(stderr,".");
864         }
865
866         fprintf(stderr,"\n\n");
867
868         int running = 0;
869         int i;
870         for(i=0; i!= count; i++) {
871
872                 int j;
873                 for(j=0; j != 4; j++) {
874
875                         ++running;
876
877                         double start = get_timestamp_millis();
878                         int req_id = osrf_app_session_make_req( session, params, methods[j], 1, NULL );
879                         osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 5 );
880                         double end = get_timestamp_millis();
881
882                         times[(4*i) + j] = end - start;
883
884                         if(omsg) {
885         
886                                 if(omsg->_result_content) {
887                                         char* jsn = jsonObjectToJSON(omsg->_result_content);
888                                         if(!strcmp(jsn, answers[j]))
889                                                 fprintf(stderr, "+");
890                                         else
891                                                 fprintf(stderr, "\n![%s] - should be %s\n", jsn, answers[j] );
892                                         free(jsn);
893                                 }
894
895
896                                 osrf_message_free(omsg);
897                 
898                         } else { fprintf( stderr, "\nempty message for tt: %d\n", req_id ); }
899
900                         osrf_app_session_request_finish( session, req_id );
901
902                         if(style == 2)
903                                 osrf_app_session_disconnect( session );
904
905                         if(!(running%100))
906                                 fprintf(stderr,"\n");
907                 }
908
909                 if(style==1)
910                         osrf_app_session_disconnect( session );
911         }
912
913         osrf_app_session_destroy( session );
914         jsonObjectFree(params);
915
916         int c;
917         float total = 0;
918         for(c=0; c!= count*4; c++) 
919                 total += times[c];
920
921         float avg = total / (count*4); 
922         fprintf(stderr, "\n      Average round trip time: %f\n", avg );
923
924         return 1;
925 }