4 int main( int argc, char* argv[] ) {
7 /* --------------------------------------------- */
10 /* see if they have a .srfsh.xml in their home directory */
11 char* home = getenv("HOME");
12 int l = strlen(home) + 36;
15 sprintf(fbuf,"%s/.srfsh.xml",home);
17 if(!access(fbuf, R_OK)) {
18 if( ! osrf_system_bootstrap_client(fbuf) )
19 fatal_handler( "Unable to bootstrap client for requests");
22 fatal_handler( "No Config file found at %s and none specified. "
23 "\nusage: %s <config_file>", fbuf, argv[0] );
27 if( ! osrf_system_bootstrap_client(argv[1]) )
28 fatal_handler( "Unable to bootstrap client for requests");
30 /* --------------------------------------------- */
34 client = osrf_system_get_transport_client();
37 /* main process loop */
39 while((request=readline(prompt))) {
41 if( !strcmp(request, "exit") || !strcmp(request,"quit"))
44 char* req_copy = strdup(request);
46 parse_request( req_copy );
47 if( request && strlen(request) > 2 ) {
55 if(history_file != NULL )
56 write_history(history_file);
58 client_disconnect( client );
59 client_free( client );
66 void sig_child_handler( int s ) {
73 char* home = getenv("HOME");
74 int l = strlen(home) + 24;
78 sprintf(fbuf,"%s/.srfsh_history",home);
79 history_file = strdup(fbuf);
81 if(!access(history_file, W_OK | R_OK )) {
82 //set_history_length(999);
84 read_history(history_file);
90 int parse_error( char* words[] ) {
98 memset(buffer, 0, 256);
99 while( (current=words[i++]) ) {
100 strcat(buffer, current);
103 if( ! buffer || strlen(buffer) < 1 )
106 fprintf( stderr, "???: %s\n", buffer );
112 int parse_request( char* request ) {
114 if( request == NULL )
119 char* words[COMMAND_BUFSIZE];
120 memset(words,0,COMMAND_BUFSIZE);
123 char* cur_tok = strtok( req, " " );
125 if( cur_tok == NULL )
128 while(cur_tok != NULL) {
129 words[i++] = cur_tok;
130 cur_tok = strtok( NULL, " " );
134 // not sure why (strtok?), but this is necessary
135 memset( words + i, 0, COMMAND_BUFSIZE - i );
137 /* pass off to the top level command */
138 if( !strcmp(words[0],"router") )
139 ret_val = handle_router( words );
141 else if( !strcmp(words[0],"time") )
142 ret_val = handle_time( words );
144 else if (!strcmp(words[0],"request"))
145 ret_val = handle_request( words, 0 );
147 else if (!strcmp(words[0],"relay"))
148 ret_val = handle_request( words, 1 );
150 else if (!strcmp(words[0],"help"))
151 ret_val = print_help();
153 else if (!strcmp(words[0],"set"))
154 ret_val = handle_set(words);
156 else if (!strcmp(words[0],"print"))
157 ret_val = handle_print(words);
159 else if (words[0][0] == '!')
160 ret_val = handle_exec( words );
163 return parse_error( words );
169 int handle_set( char* words[]) {
172 if( (variable=words[1]) ) {
175 if( (val=words[2]) ) {
177 if(!strcmp(variable,"pretty_print")) {
178 if(!strcmp(val,"true")) {
180 printf("pretty_print = true\n");
183 if(!strcmp(val,"false")) {
185 printf("pretty_print = false\n");
196 int handle_print( char* words[]) {
199 if( (variable=words[1]) ) {
200 if(!strcmp(variable,"pretty_print")) {
202 printf("pretty_print = true\n");
205 printf("pretty_print = false\n");
213 int handle_router( char* words[] ) {
221 if( !strcmp(words[1],"query") ) {
223 if( words[2] && !strcmp(words[2],"servers") ) {
224 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
225 router_query_servers( words[i] );
237 int handle_exec(char* words[]) {
239 int len = strlen(words[0]);
241 memset(command,0,len);
243 int i; /* chop out the ! */
244 for( i=1; i!= len; i++) {
245 command[i-1] = words[0][i];
249 words[0] = strdup(command);
250 signal(SIGCHLD,sig_child_handler);
255 signal(SIGCHLD,sig_child_handler);
261 execvp( words[0], words );
268 int handle_request( char* words[], int relay ) {
274 char* server = words[1];
275 char* method = words[2];
277 growing_buffer* buffer = NULL;
279 buffer = buffer_init(128);
280 buffer_add(buffer, "[");
281 for(i = 3; words[i] != NULL; i++ ) {
282 /* removes trailing semicolon if user accidentally enters it */
283 if( words[i][strlen(words[i])-1] == ';' )
284 words[i][strlen(words[i])-1] = '\0';
285 buffer_add( buffer, words[i] );
286 buffer_add(buffer, " ");
288 buffer_add(buffer, "]");
291 return send_request( server, method, buffer, relay );
297 int send_request( char* server,
298 char* method, growing_buffer* buffer, int relay ) {
299 if( server == NULL || method == NULL )
304 if( buffer != NULL && buffer->n_used > 0 )
305 params = json_tokener_parse(buffer->buf);
307 if(!last_result || ! last_result->result_content) {
308 printf("We're not going to call 'relay' with no result params\n");
312 json* arr = json_object_new_array();
313 json_object_array_add( arr, last_result->result_content );
318 osrf_app_session* session = osrf_app_client_session_init(server);
319 double start = get_timestamp_millis();
321 if(!osrf_app_session_connect(session)) {
322 warning_handler( "Unable to connect to remote service %s\n", server );
326 int req_id = osrf_app_session_make_request( session, params, method, 1 );
328 osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 8 );
331 printf("\nReceived no data from server\n");
336 if(omsg->result_content) {
338 osrf_message_free(last_result);
342 char* content = json_printer( omsg->result_content );
343 printf( "\nReceived Data: %s\n",content );
346 printf( "\nReceived Data: %s\n",
347 json_object_to_json_string(omsg->result_content));
352 printf( "\nReceived Exception:\nName: %s\nStatus: "
353 "%s\nStatusCode %d\n", omsg->status_name,
354 omsg->status_text, omsg->status_code );
357 omsg = osrf_app_session_request_recv( session, req_id, 5 );
360 double end = get_timestamp_millis();
362 printf("\n------------------------------------\n");
363 if( osrf_app_session_request_complete( session, req_id ))
364 printf("Request Completed Successfully\n");
367 printf("Request Time in seconds: %.3f\n", end - start );
368 printf("------------------------------------\n");
370 osrf_app_session_request_finish( session, req_id );
371 osrf_app_session_disconnect( session );
372 osrf_app_session_destroy( session );
379 int handle_time( char* words[] ) {
386 printf( "%s\n", buf );
391 time_t epoch = (time_t)atoi( words[1] );
392 char* localtime = strdup( ctime( &epoch ) );
393 printf( "%s => %s", words[1], localtime );
404 int router_query_servers( char* router_server ) {
406 if( ! router_server || strlen(router_server) == 0 )
411 sprintf(rbuf,"router@%s/router", router_server );
413 transport_message* send =
414 message_init( "servers", NULL, NULL, rbuf, NULL );
415 message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
417 client_send_message( client, send );
418 message_free( send );
420 transport_message* recv = client_recv( client, -1 );
422 fprintf(stderr, "NULL message received from router\n");
427 "---------------------------------------------------------------------------------\n"
428 "Received from 'server' query on %s\n"
429 "---------------------------------------------------------------------------------\n"
430 "original reg time | latest reg time | last used time | class | server\n"
431 "---------------------------------------------------------------------------------\n"
433 "---------------------------------------------------------------------------------\n"
434 , router_server, recv->body );
436 message_free( recv );
444 "---------------------------------------------------------------------------------\n"
446 "---------------------------------------------------------------------------------\n"
447 "help - Display this message\n"
448 "!<command> [args] - Forks and runs the given command in the shell\n"
449 "time - Prints the current time\n"
450 "time <timestamp> - Formats seconds since epoch into readable format\n"
451 "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
452 "print <variable> - Displays the value of a srfsh variable\n"
453 "---------------------------------------------------------------------------------\n"
454 "router query servers <server1 [, server2, ...]>\n"
455 " - Returns stats on connected services\n"
457 "request <service> <method> [ <json formatted string of params> ]\n"
458 " - Anything passed in will be wrapped in a json array,\n"
459 " so add commas if there is more than one param\n"
461 "relay <service> <method>\n"
462 " - Performs the requested query using the last received result as the param\n"
463 "---------------------------------------------------------------------------------\n"
471 char* tabs(int count) {
472 growing_buffer* buf = buffer_init(24);
474 for(i=0;i!=count;i++)
475 buffer_add(buf, " ");
477 char* final = buffer_data( buf );
482 char* json_printer( json* object ) {
486 char* string = json_object_to_json_string(object);
488 growing_buffer* buf = buffer_init(64);
491 for(i=0; i!= strlen(string); i++) {
493 if( string[i] == '{' ) {
495 buffer_add(buf, "\n");
496 char* tab = tabs(tab_var);
497 buffer_add(buf, tab);
499 buffer_add( buf, "{");
501 buffer_add( buf, "\n" );
503 buffer_add( buf, tab );
506 } else if( string[i] == '[' ) {
508 buffer_add(buf, "\n");
509 char* tab = tabs(tab_var);
510 buffer_add(buf, tab);
512 buffer_add( buf, "[");
514 buffer_add( buf, "\n" );
516 buffer_add( buf, tab );
519 } else if( string[i] == '}' ) {
522 buffer_add(buf, "\n");
523 char* tab = tabs(tab_var);
524 buffer_add(buf, tab);
526 buffer_add( buf, "}");
527 buffer_add( buf, "\n" );
529 buffer_add( buf, tab );
532 } else if( string[i] == ']' ) {
535 buffer_add(buf, "\n");
536 char* tab = tabs(tab_var);
537 buffer_add(buf, tab);
539 buffer_add( buf, "]");
540 buffer_add( buf, "\n" );
542 buffer_add( buf, tab );
549 buffer_add( buf, b );
554 char* result = buffer_data(buf);