1 #include "mod_ils_gateway.h"
4 char* ils_gateway_config_file = NULL;
5 char* ils_rest_gateway_config_file = NULL;
7 static const char* ils_gateway_set_config(cmd_parms *parms, void *config, const char *arg) {
8 ils_gateway_config *cfg;
9 cfg = ap_get_module_config(parms->server->module_config, &ils_gateway_module);
10 cfg->configfile = (char*) arg;
11 ils_gateway_config_file = (char*) arg;
15 /* tell apache about our commands */
16 static const command_rec ils_gateway_cmds[] = {
17 AP_INIT_TAKE1( GATEWAY_CONFIG, ils_gateway_set_config, NULL, RSRC_CONF, "gateway config file"),
21 /* build the config object */
22 static void* ils_gateway_create_config( apr_pool_t* p, server_rec* s) {
23 ils_gateway_config* cfg = (ils_gateway_config*) apr_palloc(p, sizeof(ils_gateway_config));
24 cfg->configfile = GATEWAY_DEFAULT_CONFIG;
29 static void mod_ils_gateway_child_init(apr_pool_t *p, server_rec *s) {
31 char* cfg = ils_gateway_config_file;
32 if( ! osrf_system_bootstrap_client( cfg, CONFIG_CONTEXT) ) {
33 osrfLogError("Unable to bootstrap client in gateway...");
36 fprintf(stderr, "Bootstrapping %d\n", getpid() );
40 static int mod_ils_gateway_method_handler (request_rec *r) {
42 /* make sure we're needed first thing*/
43 if (strcmp(r->handler, MODULE_NAME ))
46 osrfLogSetAppname("osrf_json_gw");
48 apr_pool_t *p = r->pool; /* memory pool */
49 char* arg = r->args; /* url query string */
51 char* service = NULL; /* service to connect to */
52 char* method = NULL; /* method to perform */
55 string_array* sarray = init_string_array(12); /* method parameters */
57 growing_buffer* buffer = NULL; /* POST data */
58 growing_buffer* tmp_buf = NULL; /* temp buffer */
60 char* key = NULL; /* query item name */
61 char* val = NULL; /* query item value */
63 jsonObject* response = jsonParseString("{\"status\":200}");
64 jsonObject* payload = jsonParseString("[ ]");
65 jsonObjectSetKey(response, "payload", payload );
67 /* verify we are connected */
68 if(!osrf_system_get_transport_client()) {
69 osrfLogError("Bootstrap Failed, no transport client");
70 return HTTP_INTERNAL_SERVER_ERROR;
73 ap_set_content_type(r, "text/plain");
74 osrfLogDebug("Apache request method: %s", r->method );
76 /* gather the post args and append them to the url query string */
77 if( !strcmp(r->method,"POST") ) {
79 ap_setup_client_block(r,REQUEST_CHUNKED_DECHUNK);
81 if(! ap_should_client_block(r)) {
82 osrfLogWarning("No Post Body");
90 buffer = buffer_init(BUFL);
92 while(ap_get_client_block(r, body, BUFL - 1 )) {
93 buffer_add( buffer, body );
97 if( buffer->n_used < 1 ) {
98 osrfLogWarning("No Post Body");
103 if(arg && strlen(arg) > 0 ) {
104 tmp_buf = buffer_init(BUFL);
105 buffer_add(tmp_buf,arg);
106 buffer_add(tmp_buf,buffer->buf);
107 arg = (char*) apr_pstrdup(p, tmp_buf->buf);
108 buffer_free(tmp_buf);
110 arg = (char*) apr_pstrdup(p, buffer->buf);
116 if( ! arg || strlen(arg) == 0 ) { /* we received no request */
117 osrfLogWarning("No Args");
122 osrfLogDebug("URL: %s", arg );
123 ap_log_rerror( APLOG_MARK, APLOG_DEBUG, 0, r, "URL: %s", arg );
125 r->allowed |= (AP_METHOD_BIT << M_GET);
126 r->allowed |= (AP_METHOD_BIT << M_POST);
128 while( arg && (val = ap_getword(p, (const char**) &arg, '&'))) {
130 key = ap_getword(r->pool, (const char**) &val, '=');
134 ap_unescape_url((char*)key);
135 ap_unescape_url((char*)val);
137 fprintf(stderr, "URL KEY: %s\n", key);
140 if(!strcmp(key,"service"))
143 if(!strcmp(key,"method"))
146 if(!strcmp(key,"param"))
147 string_array_add(sarray, val);
149 if(!strcmp(key, "api_level"))
150 api_level = atoi(val);
152 if(!strcmp(key, "echo")) {
153 if(val) ap_rputs(val,r);
154 else ap_rputs("1",r);
155 return OK; /** XXX CLEAN UP MEMORY HERE */
159 fprintf(stderr, "DONE URL KEY: %s %d\n", key, api_level);
162 osrfLogInfo("\r\nPerforming(%d): service %s "
163 "| method %s |", getpid(), service, method );
166 for( k = 0; k!= sarray->size; k++ ) {
167 osrfLogInfo( "param %s", string_array_get_string(sarray,k));
170 osrf_app_session* session = osrf_app_client_session_init(service);
172 osrfLogDebug("session service: %s", session->remote_service );
174 int req_id = osrf_app_session_make_req( session, NULL, method, api_level, sarray );
175 string_array_destroy(sarray);
177 osrf_message* omsg = NULL;
179 while((omsg = osrf_app_session_request_recv( session, req_id, 60 ))) {
181 jsonObjectSetKey(response, "status", jsonNewNumberObject(omsg->status_code));
183 if( omsg->_result_content ) {
184 jsonObjectPush( payload, jsonObjectClone(omsg->_result_content));
188 if( omsg->status_code > 299 ) {
189 char* s = omsg->status_name ? omsg->status_name : "Unknown Error";
190 char* t = omsg->status_text ? omsg->status_text : "No Error Message";
191 jsonObjectSetKey(response, "debug", jsonNewObject("\n\n%s:\n%s\n", s, t));
192 osrfLogError( "Gateway received error: %s",
193 jsonObjectGetString(jsonObjectGetKey(response, "debug")));
198 osrf_message_free(omsg);
202 char* content = jsonObjectToJSON(response);
204 osrfLogInfo( "Gateway responding with: %s", content );
208 jsonObjectFree(response);
210 osrf_app_session_request_finish( session, req_id );
211 osrfLogDebug("gateway processed message successfully");
213 osrf_app_session_destroy(session);
217 static void mod_ils_gateway_register_hooks (apr_pool_t *p) {
218 ap_hook_handler(mod_ils_gateway_method_handler, NULL, NULL, APR_HOOK_MIDDLE);
219 ap_hook_child_init(mod_ils_gateway_child_init,NULL,NULL,APR_HOOK_MIDDLE);
223 module AP_MODULE_DECLARE_DATA ils_gateway_module = {
224 STANDARD20_MODULE_STUFF,
227 ils_gateway_create_config,
230 mod_ils_gateway_register_hooks,