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39 #include <event2/event.h>
44 #include <tid_internal.h>
47 #include <tr_config.h>
49 #include <tr_cfgwatch.h>
52 #define TALLOC_DEBUG_ENABLE 1
54 /***** command-line option handling / setup *****/
56 /* Strip trailing / from a path name.*/
57 static void remove_trailing_slash(char *s) {
66 /* argp global parameters */
67 const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
70 static const char doc[]=PACKAGE_NAME " - Moonshot Trust Router";
71 static const char arg_doc[]=""; /* string describing arguments, if any */
73 /* define the options here. Fields are:
74 * { long-name, short-name, variable name, options, help description } */
75 static const struct argp_option cmdline_options[] = {
76 { "config-dir", 'c', "DIR", 0, "Specify configuration file location (default is current directory)"},
80 /* structure for communicating with option parser */
85 /* parser for individual options - fills in a struct cmdline_args */
86 static error_t parse_option(int key, char *arg, struct argp_state *state)
88 /* get a shorthand to the command line argument structure, part of state */
89 struct cmdline_args *arguments=state->input;
94 /* somehow we got called without an argument */
95 return ARGP_ERR_UNKNOWN;
97 arguments->config_dir=arg;
101 return ARGP_ERR_UNKNOWN;
104 return 0; /* success */
107 /* assemble the argp parser */
108 static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
111 /***** talloc error handling *****/
112 /* called when talloc tries to abort */
113 static void tr_abort(const char *reason)
115 tr_crit("tr_abort: Critical error, talloc aborted. Reason: %s", reason);
119 #if TALLOC_DEBUG_ENABLE
120 static void tr_talloc_log(const char *msg)
122 tr_debug("talloc: %s", msg);
124 #endif /* TALLOC_DEBUG_ENABLE */
126 int main(int argc, char *argv[])
128 TALLOC_CTX *main_ctx=NULL;
130 TR_INSTANCE *tr = NULL;
131 struct cmdline_args opts;
132 struct event_base *ev_base;
133 struct tr_socket_event tids_ev;
134 TR_TRPS_EVENTS *trps_ev;
135 struct event *cfgwatch_ev;
137 /* we're going to be multithreaded, so disable null context tracking */
138 talloc_set_abort_fn(tr_abort);
139 talloc_disable_null_tracking();
140 #if TALLOC_DEBUG_ENABLE
141 talloc_set_log_fn(tr_talloc_log);
142 #endif /* TALLOC_DEBUG_ENABLE */
143 main_ctx=talloc_new(NULL);
145 /* Use standalone logging */
148 /***** parse command-line arguments *****/
152 /* parse the command line*/
153 argp_parse(&argp, argc, argv, 0, 0, &opts);
155 /* process options */
156 remove_trailing_slash(opts.config_dir);
158 /***** create a Trust Router instance *****/
159 if (NULL == (tr = tr_create(main_ctx))) {
160 tr_crit("Unable to create Trust Router instance, exiting.");
164 /***** process configuration *****/
165 tr->cfgwatch=tr_cfgwatch_create(tr);
166 if (tr->cfgwatch == NULL) {
167 tr_crit("Unable to create configuration watcher object, exiting.");
170 tr->cfgwatch->config_dir=opts.config_dir;
171 tr->cfgwatch->cfg_mgr=tr->cfg_mgr;
172 if (0 != tr_read_and_apply_config(tr->cfgwatch)) {
173 tr_crit("Error reading configuration, exiting.");
177 /***** initialize the trust path query server instance *****/
178 if (NULL == (tr->tids = tids_create (tr))) {
179 tr_crit("Error initializing Trust Path Query Server instance.");
183 /***** initialize the trust router protocol server instance *****/
184 if (NULL == (tr->trps = trps_new(tr))) {
185 tr_crit("Error initializing Trust Router Protocol Server instance.");
189 /***** Set up the event loop *****/
190 ev_base=tr_event_loop_init(); /* Set up the event loop */
192 tr_crit("Error initializing event loop.");
196 /* install configuration file watching events */
197 tr->cfgwatch->poll_interval=(struct timeval) {1,0}; /* set poll interval in {sec, usec} */
198 tr->cfgwatch->settling_time=(struct timeval) {5,0}; /* delay for changes to settle before updating */
199 /* TODO: pull these settings out of the configuration files */
201 /* already set config_dir, fstat_list and n_files earlier */
202 if (0 != tr_cfgwatch_event_init(ev_base, tr->cfgwatch, &cfgwatch_ev)) {
203 tr_crit("Error initializing configuration file watcher.");
207 /*tr_status_event_init();*/ /* install status reporting events */
209 /* install TID server events */
210 if (0 != tr_tids_event_init(ev_base,
214 tr_crit("Error initializing Trust Path Query Server instance.");
218 /* install TRP handler events */
219 trps_ev=tr_trps_events_new(main_ctx);
220 if (0 != tr_trps_event_init(ev_base,
224 tr_crit("Error initializing Trust Path Query Server instance.");
228 tr_event_loop_run(ev_base); /* does not return until we are done */
230 /* TODO: ensure talloc is properly used so this actually works */
231 tr_destroy(tr); /* thanks to talloc, should destroy everything */
233 talloc_free(main_ctx);