#include <stdio.h>
#include <stdlib.h>
-#include <jansson.h>
#include <argp.h>
#include <event2/event.h>
#include <talloc.h>
-#include <sys/time.h>
+#include <signal.h>
-#include <tr.h>
#include <tid_internal.h>
+#include <mon_internal.h>
+#include <tr_mon.h>
#include <tr_tid.h>
+#include <tr_trp.h>
#include <tr_config.h>
#include <tr_event.h>
#include <tr_cfgwatch.h>
+#include <tr.h>
#include <tr_debug.h>
+#define TALLOC_DEBUG_ENABLE 1
+
/***** command-line option handling / setup *****/
+static void print_version_info(void)
+{
+ printf("Moonshot Trust Router %s\n\n", PACKAGE_VERSION);
+}
+
/* Strip trailing / from a path name.*/
static void remove_trailing_slash(char *s) {
size_t n;
const char *argp_program_bug_address=PACKAGE_BUGREPORT; /* bug reporting address */
/* doc strings */
-static const char doc[]=PACKAGE_NAME " - Moonshot Trust Router";
+static const char doc[]=PACKAGE_NAME " - Moonshot Trust Router " PACKAGE_VERSION;
static const char arg_doc[]=""; /* string describing arguments, if any */
/* define the options here. Fields are:
* { long-name, short-name, variable name, options, help description } */
static const struct argp_option cmdline_options[] = {
{ "config-dir", 'c', "DIR", 0, "Specify configuration file location (default is current directory)"},
+ { "config-validate", 'C', NULL, 0, "Validate configuration files and exit"},
+ { "version", 1, NULL, 0, "Print version information and exit"},
{ NULL }
};
/* structure for communicating with option parser */
struct cmdline_args {
- char *config_dir;
+ int version_requested;
+ int validate_config_and_exit;
+ char *config_dir;
};
/* parser for individual options - fills in a struct cmdline_args */
struct cmdline_args *arguments=state->input;
switch (key) {
- case 'c':
- if (arg == NULL) {
- /* somehow we got called without an argument */
+ case 'c':
+ if (arg == NULL) {
+ /* somehow we got called without an argument */
+ return ARGP_ERR_UNKNOWN;
+ }
+ arguments->config_dir=arg;
+ break;
+
+ case 1:
+ arguments->version_requested=1;
+ break;
+
+ case 'C':
+ arguments->validate_config_and_exit=1;
+ break;
+
+ default:
return ARGP_ERR_UNKNOWN;
- }
- arguments->config_dir=arg;
- break;
-
- default:
- return ARGP_ERR_UNKNOWN;
}
return 0; /* success */
static struct argp argp = {cmdline_options, parse_option, arg_doc, doc};
-int main (int argc, char *argv[])
+/***** talloc error handling *****/
+/* called when talloc tries to abort */
+static void tr_abort(const char *reason)
+{
+ tr_crit("tr_abort: Critical error, talloc aborted. Reason: %s", reason);
+ abort();
+}
+
+#if TALLOC_DEBUG_ENABLE
+static void tr_talloc_log(const char *msg)
{
- TALLOC_CTX *main_ctx=talloc_new(NULL);
+ tr_debug("talloc: %s", msg);
+}
+#endif /* TALLOC_DEBUG_ENABLE */
+
+static void configure_signals(void)
+{
+ sigset_t signals;
+ /* ignore SIGPIPE */
+ sigemptyset(&signals);
+ sigaddset(&signals, SIGPIPE);
+ pthread_sigmask(SIG_BLOCK, &signals, NULL);
+}
+
+int main(int argc, char *argv[])
+{
+ TALLOC_CTX *main_ctx=NULL;
TR_INSTANCE *tr = NULL;
struct cmdline_args opts;
struct event_base *ev_base;
- struct tr_socket_event tids_ev;
+ struct tr_socket_event tids_ev = {0};
+ struct tr_socket_event mon_ev = {0};
struct event *cfgwatch_ev;
- TR_CFGWATCH *cfgwatch; /* config file watcher status */
+
+ configure_signals();
+
+ /* we're going to be multithreaded, so disable null context tracking */
+ talloc_set_abort_fn(tr_abort);
+ talloc_disable_null_tracking();
+#if TALLOC_DEBUG_ENABLE
+ talloc_set_log_fn(tr_talloc_log);
+#endif /* TALLOC_DEBUG_ENABLE */
+ main_ctx=talloc_new(NULL);
/* Use standalone logging */
tr_log_open();
/***** parse command-line arguments *****/
/* set defaults */
+ opts.version_requested=0;
+ opts.validate_config_and_exit=0;
opts.config_dir=".";
/* parse the command line*/
/* process options */
remove_trailing_slash(opts.config_dir);
- /* Get a configuration status object */
- cfgwatch=tr_cfgwatch_create(main_ctx);
- if (cfgwatch == NULL) {
- tr_crit("Unable to create configuration watcher object, exiting.");
- return 1;
- }
-
+
+ /***** Print version info *****/
+ print_version_info();
+ if (opts.version_requested)
+ return 0; /* requested that we print version and exit */
+
/***** create a Trust Router instance *****/
- if (NULL == (tr = tr_create())) {
+ if (NULL == (tr = tr_create(main_ctx))) {
tr_crit("Unable to create Trust Router instance, exiting.");
return 1;
}
- /***** process configuration *****/
- cfgwatch->config_dir=opts.config_dir;
- cfgwatch->ctx=main_ctx;
- cfgwatch->tr=tr;
- if (0 != tr_read_and_apply_config(cfgwatch)) {
- tr_crit("Error reading configuration, exiting.");
+ /***** initialize the trust path query server instance *****/
+ if (NULL == (tr->tids = tids_new(tr))) {
+ tr_crit("Error initializing Trust Path Query Server instance.");
return 1;
}
- /***** initialize the trust path query server instance *****/
- if (0 == (tr->tids = tids_create ())) {
- tr_crit("Error initializing Trust Path Query Server instance.");
+ /***** initialize the trust router protocol server instance *****/
+ if (NULL == (tr->trps = trps_new(tr))) {
+ tr_crit("Error initializing Trust Router Protocol Server instance.");
return 1;
}
+ /***** initialize the monitoring interface instance *****/
+ if (NULL == (tr->mons = mons_new(tr))) {
+ tr_crit("Error initializing monitoring interface instance.");
+ return 1;
+ }
+ /* Monitor our tids/trps instances */
+ tr->mons->tids = tr->tids;
+ tr->mons->trps = tr->trps;
+
+ /***** process configuration *****/
+ tr->cfgwatch=tr_cfgwatch_create(tr);
+ if (tr->cfgwatch == NULL) {
+ tr_crit("Unable to create configuration watcher object, exiting.");
+ return 1;
+ }
+ tr->cfgwatch->config_dir=opts.config_dir;
+ tr->cfgwatch->cfg_mgr=tr->cfg_mgr;
+ tr->cfgwatch->update_cb=tr_config_changed; /* handle configuration changes */
+ tr->cfgwatch->update_cookie=(void *)tr;
+ if (0 != tr_read_and_apply_config(tr->cfgwatch)) {
+ tr_crit("Error reading configuration, exiting.");
+ return 1;
+ }
+
+ /***** Exit here if we are just validating our configuration *****/
+ if (opts.validate_config_and_exit) {
+ printf("Valid configuration found in %s.\n", opts.config_dir);
+ return 0;
+ }
/***** Set up the event loop *****/
ev_base=tr_event_loop_init(); /* Set up the event loop */
if (ev_base==NULL) {
return 1;
}
- /* install configuration file watching events */
- cfgwatch->poll_interval=(struct timeval) {1,0}; /* set poll interval in {sec, usec} */
- cfgwatch->settling_time=(struct timeval) {5,0}; /* delay for changes to settle before updating */
-
/* already set config_dir, fstat_list and n_files earlier */
- if (0 != tr_cfgwatch_event_init(ev_base, cfgwatch, &cfgwatch_ev)) {
+ if (0 != tr_cfgwatch_event_init(ev_base, tr->cfgwatch, &cfgwatch_ev)) {
tr_crit("Error initializing configuration file watcher.");
return 1;
}
- /*tr_status_event_init();*/ /* install status reporting events */
+ /* install monitoring interface events */
+ tr_debug("Initializing monitoring interface events.");
+ if (0 != tr_mons_event_init(ev_base, tr->mons, tr->cfg_mgr, &mon_ev)) {
+ tr_crit("Error initializing monitoring interface.");
+ return 1;
+ }
/* install TID server events */
- if (0 != tr_tids_event_init(ev_base, tr, &tids_ev)) {
+ tr_debug("Initializing TID server events.");
+ if (0 != tr_tids_event_init(ev_base,
+ tr->tids,
+ tr->cfg_mgr,
+ tr->trps,
+ &tids_ev)) {
tr_crit("Error initializing Trust Path Query Server instance.");
return 1;
}
- /*tr_trp_event_init();*/ /* install TRP handler events */
+ /* install TRP handler events */
+ tr_debug("Initializing Dynamic Trust Router Protocol events.");
+ if (TRP_SUCCESS != tr_trps_event_init(ev_base, tr)) {
+ tr_crit("Error initializing Trust Path Query Server instance.");
+ return 1;
+ }
- fflush(stdout); fflush(stderr);
+ tr_debug("Starting event loop.");
tr_event_loop_run(ev_base); /* does not return until we are done */
- /* TODO: update the cleanup code */
- tids_destroy(tr->tids);
- tr_destroy(tr);
+ tr_destroy(tr); /* thanks to talloc, should destroy everything */
talloc_free(main_ctx);
return 0;