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39 #include <event2/event.h>
45 #include <tid_internal.h>
48 #include <tr_config.h>
50 #include <tr_cfgwatch.h>
54 #define TALLOC_DEBUG_ENABLE 1
56 /***** command-line option handling / setup *****/
58 /* Strip trailing / from a path name.*/
59 static void remove_trailing_slash(char *s) {
68 /* argp global parameters */
69 const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
72 static const char doc[]=PACKAGE_NAME " - Moonshot Trust Router";
73 static const char arg_doc[]=""; /* string describing arguments, if any */
75 /* define the options here. Fields are:
76 * { long-name, short-name, variable name, options, help description } */
77 static const struct argp_option cmdline_options[] = {
78 { "config-dir", 'c', "DIR", 0, "Specify configuration file location (default is current directory)"},
82 /* structure for communicating with option parser */
87 /* parser for individual options - fills in a struct cmdline_args */
88 static error_t parse_option(int key, char *arg, struct argp_state *state)
90 /* get a shorthand to the command line argument structure, part of state */
91 struct cmdline_args *arguments=state->input;
96 /* somehow we got called without an argument */
97 return ARGP_ERR_UNKNOWN;
99 arguments->config_dir=arg;
103 return ARGP_ERR_UNKNOWN;
106 return 0; /* success */
109 /* assemble the argp parser */
110 static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
113 /***** talloc error handling *****/
114 /* called when talloc tries to abort */
115 static void tr_abort(const char *reason)
117 tr_crit("tr_abort: Critical error, talloc aborted. Reason: %s", reason);
121 #if TALLOC_DEBUG_ENABLE
122 static void tr_talloc_log(const char *msg)
124 tr_debug("talloc: %s", msg);
126 #endif /* TALLOC_DEBUG_ENABLE */
128 static void configure_signals(void)
132 sigemptyset(&signals);
133 sigaddset(&signals, SIGPIPE);
134 pthread_sigmask(SIG_BLOCK, &signals, NULL);
137 int main(int argc, char *argv[])
139 TALLOC_CTX *main_ctx=NULL;
141 TR_INSTANCE *tr = NULL;
142 struct cmdline_args opts;
143 struct event_base *ev_base;
144 struct tr_socket_event tids_ev;
145 struct event *cfgwatch_ev;
149 /* we're going to be multithreaded, so disable null context tracking */
150 talloc_set_abort_fn(tr_abort);
151 talloc_disable_null_tracking();
152 #if TALLOC_DEBUG_ENABLE
153 talloc_set_log_fn(tr_talloc_log);
154 #endif /* TALLOC_DEBUG_ENABLE */
155 main_ctx=talloc_new(NULL);
157 /* Use standalone logging */
160 /***** parse command-line arguments *****/
164 /* parse the command line*/
165 argp_parse(&argp, argc, argv, 0, 0, &opts);
167 /* process options */
168 remove_trailing_slash(opts.config_dir);
170 /***** create a Trust Router instance *****/
171 if (NULL == (tr = tr_create(main_ctx))) {
172 tr_crit("Unable to create Trust Router instance, exiting.");
176 /***** initialize the trust path query server instance *****/
177 if (NULL == (tr->tids = tids_create (tr))) {
178 tr_crit("Error initializing Trust Path Query Server instance.");
182 /***** initialize the trust router protocol server instance *****/
183 if (NULL == (tr->trps = trps_new(tr))) {
184 tr_crit("Error initializing Trust Router Protocol Server instance.");
188 /***** process configuration *****/
189 tr->cfgwatch=tr_cfgwatch_create(tr);
190 if (tr->cfgwatch == NULL) {
191 tr_crit("Unable to create configuration watcher object, exiting.");
194 tr->cfgwatch->config_dir=opts.config_dir;
195 tr->cfgwatch->cfg_mgr=tr->cfg_mgr;
196 tr->cfgwatch->update_cb=tr_config_changed; /* handle configuration changes */
197 tr->cfgwatch->update_cookie=(void *)tr;
198 if (0 != tr_read_and_apply_config(tr->cfgwatch)) {
199 tr_crit("Error reading configuration, exiting.");
203 /***** Set up the event loop *****/
204 ev_base=tr_event_loop_init(); /* Set up the event loop */
206 tr_crit("Error initializing event loop.");
210 /* already set config_dir, fstat_list and n_files earlier */
211 if (0 != tr_cfgwatch_event_init(ev_base, tr->cfgwatch, &cfgwatch_ev)) {
212 tr_crit("Error initializing configuration file watcher.");
216 /*tr_status_event_init();*/ /* install status reporting events */
218 /* install TID server events */
219 if (0 != tr_tids_event_init(ev_base,
224 tr_crit("Error initializing Trust Path Query Server instance.");
228 /* install TRP handler events */
229 if (TRP_SUCCESS != tr_trps_event_init(ev_base, tr)) {
230 tr_crit("Error initializing Trust Path Query Server instance.");
234 tr_event_loop_run(ev_base); /* does not return until we are done */
236 tr_destroy(tr); /* thanks to talloc, should destroy everything */
238 talloc_free(main_ctx);