1 #include "opensrf/transport_client.h"
2 #include "opensrf/generic_utils.h"
3 #include "opensrf/osrf_message.h"
4 #include "opensrf/osrf_app_session.h"
10 #include <readline/readline.h>
11 #include <readline/history.h>
14 #define SRFSH_PORT 5222
15 #define COMMAND_BUFSIZE 12
18 char* prompt = "srfsh# ";
22 /* true if we're pretty printing json results */
25 /* our jabber connection */
26 transport_client* client = NULL;
28 /* the last result we received */
29 osrf_message* last_result = NULL;
32 int parse_request( char* request );
33 int handle_router( char* words[] );
34 int handle_time( char* words[] );
35 int handle_request( char* words[], int relay );
36 int handle_exec(char* words[]);
37 int handle_set( char* words[]);
38 int handle_print( char* words[]);
39 int send_request( char* server,
40 char* method, growing_buffer* buffer, int relay );
41 int parse_error( char* words[] );
42 int router_query_servers( char* server );
43 int srfsh_client_connect();
45 char* json_printer( json* object );
46 char* tabs(int count);
48 void sig_child_handler( int s );
53 int main( int argc, char* argv[] ) {
58 /* see if they have a .srfsh.xml in their home directory */
59 char* home = getenv("HOME");
60 int l = strlen(home) + 36;
63 sprintf(fbuf,"%s/.srfsh.xml",home);
65 if(!access(fbuf, F_OK)) {
66 if( ! osrf_system_bootstrap_client(fbuf) )
67 fatal_handler( "Unable to bootstrap client for requests");
70 fatal_handler( "No Config file found at %s and none specified. "
71 "\nusage: %s <config_file>", fbuf, argv[0] );
75 if( ! osrf_system_bootstrap_client(argv[1]) )
76 fatal_handler( "Unable to bootstrap client for requests");
79 client = osrf_system_get_transport_client();
82 /* main process loop */
84 while((request=readline(prompt))) {
86 if( !strcmp(request, "exit") || !strcmp(request,"quit"))
89 char* req_copy = strdup(request);
91 parse_request( req_copy );
99 client_disconnect( client );
100 client_free( client );
101 config_reader_free();
107 void sig_child_handler( int s ) {
111 int parse_error( char* words[] ) {
119 memset(buffer, 0, 256);
120 while( (current=words[i++]) ) {
121 strcat(buffer, current);
124 if( ! buffer || strlen(buffer) < 1 )
127 fprintf( stderr, "Command Incomplete or Not Recognized: %s\n", buffer );
133 int parse_request( char* request ) {
135 if( request == NULL )
140 char* words[COMMAND_BUFSIZE];
141 memset(words,0,COMMAND_BUFSIZE);
144 char* cur_tok = strtok( req, " " );
146 if( cur_tok == NULL )
149 while(cur_tok != NULL) {
150 words[i++] = cur_tok;
151 cur_tok = strtok( NULL, " " );
155 // not sure why (strtok?), but this is necessary
156 memset( words + i, 0, COMMAND_BUFSIZE - i );
158 /* pass off to the top level command */
159 if( !strcmp(words[0],"router") )
160 ret_val = handle_router( words );
162 else if( !strcmp(words[0],"time") )
163 ret_val = handle_time( words );
165 else if (!strcmp(words[0],"request"))
166 ret_val = handle_request( words, 0 );
168 else if (!strcmp(words[0],"relay"))
169 ret_val = handle_request( words, 1 );
171 else if (!strcmp(words[0],"help"))
172 ret_val = print_help();
174 else if (!strcmp(words[0],"set"))
175 ret_val = handle_set(words);
177 else if (!strcmp(words[0],"print"))
178 ret_val = handle_print(words);
180 else if (words[0][0] == '!')
181 ret_val = handle_exec( words );
184 return parse_error( words );
190 int handle_set( char* words[]) {
193 if( (variable=words[1]) ) {
196 if( (val=words[2]) ) {
198 if(!strcmp(variable,"pretty_print")) {
199 if(!strcmp(val,"true")) {
201 printf("pretty_print = true\n");
204 if(!strcmp(val,"false")) {
206 printf("pretty_print = false\n");
217 int handle_print( char* words[]) {
220 if( (variable=words[1]) ) {
221 if(!strcmp(variable,"pretty_print")) {
223 printf("pretty_print = true\n");
226 printf("pretty_print = false\n");
234 int handle_router( char* words[] ) {
242 if( !strcmp(words[1],"query") ) {
244 if( words[2] && !strcmp(words[2],"servers") ) {
245 for(i=3; i < COMMAND_BUFSIZE - 3 && words[i]; i++ ) {
246 router_query_servers( words[i] );
258 int handle_exec(char* words[]) {
260 int len = strlen(words[0]);
262 memset(command,0,len);
264 int i; /* chop out the ! */
265 for( i=1; i!= len; i++) {
266 command[i-1] = words[0][i];
270 words[0] = strdup(command);
271 signal(SIGCHLD,sig_child_handler);
276 signal(SIGCHLD,sig_child_handler);
282 execvp( words[0], words );
288 int handle_request( char* words[], int relay ) {
294 char* server = words[1];
295 char* method = words[2];
297 growing_buffer* buffer = NULL;
299 buffer = buffer_init(128);
300 buffer_add(buffer, "[");
301 for(i = 3; words[i] != NULL; i++ ) {
302 buffer_add( buffer, words[i] );
303 buffer_add(buffer, " ");
305 buffer_add(buffer, "]");
308 return send_request( server, method, buffer, relay );
314 int send_request( char* server,
315 char* method, growing_buffer* buffer, int relay ) {
316 if( server == NULL || method == NULL )
321 if( buffer != NULL && buffer->n_used > 0 )
322 params = json_tokener_parse(buffer->buf);
324 if(!last_result->result_content) {
325 warning_handler("We're not going to call 'relay' on empty result");
329 json* arr = json_object_new_array();
330 json_object_array_add( arr, last_result->result_content );
335 osrf_app_session* session = osrf_app_client_session_init(server);
336 double start = get_timestamp_millis();
338 if(!osrf_app_session_connect(session)) {
339 warning_handler( "Unable to connect to remote service %s\n", server );
343 int req_id = osrf_app_session_make_request( session, params, method, 1 );
345 osrf_message* omsg = osrf_app_session_request_recv( session, req_id, 8 );
348 printf("\nReceived no data from server\n");
353 if(omsg->result_content) {
355 osrf_message_free(last_result);
359 char* content = json_printer( omsg->result_content );
360 printf( "\nReceived Data: %s\n",content );
363 printf( "\nReceived Data: %s\n",
364 json_object_to_json_string(omsg->result_content));
369 printf( "\nReceived Exception:\nName: %s\nStatus: "
370 "%s\nStatusCode %d\n", omsg->status_name,
371 omsg->status_text, omsg->status_code );
374 omsg = osrf_app_session_request_recv( session, req_id, 5 );
377 double end = get_timestamp_millis();
379 printf("\n------------------------------------\n");
380 if( osrf_app_session_request_complete( session, req_id ))
381 printf("Request Completed Successfully\n");
384 printf("Request Time in seconds: %f\n", end - start );
385 printf("------------------------------------\n");
387 osrf_app_session_request_finish( session, req_id );
388 osrf_app_session_disconnect( session );
389 osrf_app_session_destroy( session );
396 int handle_time( char* words[] ) {
403 printf( "%s\n", buf );
408 time_t epoch = (time_t)atoi( words[1] );
409 char* localtime = strdup( ctime( &epoch ) );
410 printf( "%s => %s", words[1], localtime );
421 int router_query_servers( char* router_server ) {
423 if( ! router_server || strlen(router_server) == 0 )
428 sprintf(rbuf,"router@%s/router", router_server );
430 transport_message* send =
431 message_init( "servers", NULL, NULL, rbuf, NULL );
432 message_set_router_info( send, NULL, NULL, NULL, "query", 0 );
434 client_send_message( client, send );
435 message_free( send );
437 transport_message* recv = client_recv( client, -1 );
439 fprintf(stderr, "NULL message received from router\n");
444 "---------------------------------------------------------------------------------\n"
445 "Received from 'server' query on %s\n"
446 "---------------------------------------------------------------------------------\n"
447 "original reg time | latest reg time | last used time | class | server\n"
448 "---------------------------------------------------------------------------------\n"
450 "---------------------------------------------------------------------------------\n"
451 , router_server, recv->body );
453 message_free( recv );
461 "---------------------------------------------------------------------------------\n"
463 "---------------------------------------------------------------------------------\n"
464 "help - Display this message\n"
465 "!<command> [args] - Forks and runs the given command in the shell\n"
466 "time - Prints the current time\n"
467 "time <timestamp> - Formats seconds since epoch into readable format\n"
468 "set <variable> <value> - set a srfsh variable (e.g. set pretty_print true )\n"
469 "print <variable> - Displays the value of a srfsh variable\n"
470 "---------------------------------------------------------------------------------\n"
471 "router query servers <server1 [, server2, ...]>\n"
472 " - Returns stats on connected services\n"
474 "reqeust <service> <method> [ <json formatted string of params> ]\n"
475 " - Anything passed in will be wrapped in a json array,\n"
476 " so add commas if there is more than one param\n"
478 "relay <service> <method>\n"
479 " - Performs the requested query using the last received result as the param\n"
480 "---------------------------------------------------------------------------------\n"
488 char* tabs(int count) {
489 growing_buffer* buf = buffer_init(24);
491 for(i=0;i!=count;i++)
492 buffer_add(buf, " ");
494 char* final = buffer_data( buf );
499 char* json_printer( json* object ) {
503 char* string = json_object_to_json_string(object);
505 growing_buffer* buf = buffer_init(64);
508 for(i=0; i!= strlen(string); i++) {
510 if( string[i] == '{' ) {
512 buffer_add(buf, "\n");
513 char* tab = tabs(tab_var);
514 buffer_add(buf, tab);
516 buffer_add( buf, "{");
518 buffer_add( buf, "\n" );
520 buffer_add( buf, tab );
523 } else if( string[i] == '[' ) {
525 buffer_add(buf, "\n");
526 char* tab = tabs(tab_var);
527 buffer_add(buf, tab);
529 buffer_add( buf, "[");
531 buffer_add( buf, "\n" );
533 buffer_add( buf, tab );
536 } else if( string[i] == '}' ) {
539 buffer_add(buf, "\n");
540 char* tab = tabs(tab_var);
541 buffer_add(buf, tab);
543 buffer_add( buf, "}");
544 buffer_add( buf, "\n" );
546 buffer_add( buf, tab );
549 } else if( string[i] == ']' ) {
552 buffer_add(buf, "\n");
553 char* tab = tabs(tab_var);
554 buffer_add(buf, tab);
556 buffer_add( buf, "]");
557 buffer_add( buf, "\n" );
559 buffer_add( buf, tab );
566 buffer_add( buf, b );
571 char* result = buffer_data(buf);