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Diffstat (limited to 'utils/open-isns/isnsd.c')
-rw-r--r--utils/open-isns/isnsd.c299
1 files changed, 0 insertions, 299 deletions
diff --git a/utils/open-isns/isnsd.c b/utils/open-isns/isnsd.c
deleted file mode 100644
index 3f983d6..0000000
--- a/utils/open-isns/isnsd.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * isnsd - the iSNS Daemon
- *
- * Copyright (C) 2007 Olaf Kirch <olaf.kirch@oracle.com>
- */
-
-#include <getopt.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <signal.h>
-#include <unistd.h>
-
-#ifdef MTRACE
-# include <mcheck.h>
-#endif
-
-#include <isns.h>
-#include "security.h"
-#include "util.h"
-#include "paths.h"
-#include "internal.h"
-
-enum {
- MODE_NORMAL,
- MODE_DUMP_DB,
- MODE_INIT,
-};
-
-static const char * opt_configfile = ISNS_DEFAULT_ISNSD_CONFIG;
-static int opt_af = AF_UNSPEC;
-static int opt_mode = MODE_NORMAL;
-static int opt_foreground = 0;
-
-static char * slp_url;
-
-static int init_server(void);
-static void run_server(isns_server_t *, isns_db_t *);
-static void usage(int, const char *);
-static void cleanup(int);
-
-static struct option options[] = {
- { "config", required_argument, NULL, 'c' },
- { "debug", required_argument, NULL, 'd' },
- { "foreground", no_argument, NULL, 'f' },
- { "init", no_argument, NULL, MODE_INIT },
- { "dump-db", no_argument, NULL, MODE_DUMP_DB },
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, 'V' },
- { NULL }
-};
-
-int
-main(int argc, char **argv)
-{
- isns_server_t *server;
- isns_source_t *source;
- isns_db_t *db;
- int c;
-
-#ifdef MTRACE
- mtrace();
-#endif
-
- while ((c = getopt_long(argc, argv, "46c:d:fh", options, NULL)) != -1) {
- switch (c) {
- case '4':
- opt_af = AF_INET;
- break;
-
- case '6':
- opt_af = AF_INET6;
- break;
-
- case 'c':
- opt_configfile = optarg;
- break;
-
- case 'd':
- isns_enable_debugging(optarg);
- break;
-
- case 'f':
- opt_foreground = 1;
- break;
-
- case MODE_DUMP_DB:
- case MODE_INIT:
- opt_mode = c;
- break;
-
- case 'h':
- usage(0, NULL);
-
- case 'V':
- printf("Open-iSNS version %s\n"
- "Copyright (C) 2007, Olaf Kirch <olaf.kirch@oracle.com>\n",
- OPENISNS_VERSION_STRING);
- return 0;
-
- default:
- usage(1, "Unknown option");
- }
- }
-
- if (optind != argc)
- usage(1, NULL);
-
- isns_read_config(opt_configfile);
-
- if (!isns_config.ic_source_name)
- usage(1, "Please specify an iSNS source name");
- source = isns_source_create_iscsi(isns_config.ic_source_name);
-
- if (opt_mode == MODE_INIT)
- return !init_server();
-
- if (opt_mode == MODE_NORMAL)
- isns_write_pidfile(isns_config.ic_pidfile);
-
- db = isns_db_open(isns_config.ic_database);
- if (db == NULL)
- isns_fatal("Unable to open database\n");
-
- if (opt_mode == MODE_DUMP_DB) {
- isns_db_print(db, isns_print_stdout);
- exit(0);
- }
-
- if (!opt_foreground) {
- if (daemon(0, 0) < 0)
- isns_fatal("Unable to background server process\n");
- isns_log_background();
- isns_update_pidfile(isns_config.ic_pidfile);
- }
-
- signal(SIGTERM, cleanup);
- signal(SIGINT, cleanup);
-
- server = isns_create_server(source, db, &isns_default_service_ops);
-
- run_server(server, db);
- return 0;
-}
-
-void
-usage(int exval, const char *msg)
-{
- if (msg)
- fprintf(stderr, "Error: %s\n", msg);
- fprintf(stderr,
- "Usage: isnsd [options]\n\n"
- " --config Specify alternative config fille\n"
- " --foreground Do not put daemon in the background\n"
- " --debug Enable debugging (list of debug flags)\n"
- " --init Initialize the server (key generation etc)\n"
- " --dump-db Display the database contents and exit\n"
- " --help Print this message\n"
- );
- exit(exval);
-}
-
-void
-cleanup(int sig)
-{
- isns_remove_pidfile(isns_config.ic_pidfile);
- exit(1);
-}
-
-static void
-slp_cleanup(void)
-{
- char *url = slp_url;
-
- slp_url = NULL;
- if (url) {
- isns_slp_unregister(url);
- isns_free(url);
- }
-}
-
-/*
- * Initialize server
- */
-int
-init_server(void)
-{
- if (!isns_security_init())
- return 0;
-
- /* Anything else? */
-
- return 1;
-}
-
-/*
- * Server main loop
- */
-void
-run_server(isns_server_t *server, isns_db_t *db)
-{
- isns_socket_t *sock;
- isns_security_t *ctx = NULL;
- isns_message_t *msg, *resp;
- int status;
-
- if (isns_config.ic_security) {
- const char *ksname;
- isns_keystore_t *ks;
-
- ctx = isns_default_security_context(1);
- if (!(ksname = isns_config.ic_client_keystore))
- isns_fatal("config problem: no key store specified\n");
- if (!strcasecmp(ksname, "db:"))
- ks = isns_create_db_keystore(db);
- else
- ks = isns_create_keystore(ksname);
- if (ks == NULL)
- isns_fatal("Unable to create keystore %s\n", ksname);
- isns_security_set_keystore(ctx, ks);
- }
-
- status = isns_dd_load_all(db);
- if (status != ISNS_SUCCESS)
- isns_fatal("Problem loading Discovery Domains from database\n");
-
- if (isns_config.ic_control_socket) {
- sock = isns_create_server_socket(isns_config.ic_control_socket,
- NULL, AF_UNSPEC, SOCK_STREAM);
- if (sock == NULL)
- isns_fatal("Unable to create control socket\n");
- /*
- isns_socket_set_security_ctx(sock, ctx);
- */
- }
-
- sock = isns_create_server_socket(isns_config.ic_bind_address,
- "isns", opt_af, SOCK_STREAM);
- if (sock == NULL)
- isns_fatal("Unable to create server socket\n");
- isns_socket_set_security_ctx(sock, ctx);
-
- if (isns_config.ic_slp_register) {
- slp_url = isns_slp_build_url(0);
- isns_slp_register(slp_url);
-
- atexit(slp_cleanup);
- }
-
- isns_esi_init(server);
- isns_scn_init(server);
-
- while (1) {
- struct timeval timeout = { 0, 0 };
- time_t now, then, next_timeout = time(NULL) + 3600;
-
- /* Expire entities that haven't seen any activity
- * for a while. */
- if (isns_config.ic_registration_period) {
- then = isns_db_expire(db);
- if (then && then < next_timeout)
- next_timeout = then;
- }
-
- /* Run any timers (eg for ESI) */
- then = isns_run_timers();
- if (then && then < next_timeout)
- next_timeout = then;
-
- /* There may be pending SCNs, push them out now */
- then = isns_scn_transmit_all();
- if (then && then < next_timeout)
- next_timeout = then;
-
- /* Purge any objects that have been marked for removal
- * from the DB (deleting them, or moving them to limbo
- * state). */
- isns_db_purge(db);
-
- /* Determine how long we can sleep before working
- * the ESI queues and DB expiry again. */
- now = time(NULL);
- if (next_timeout <= now)
- continue;
- timeout.tv_sec = next_timeout - now;
-
- if ((msg = isns_recv_message(&timeout)) == NULL)
- continue;
-
- if ((resp = isns_process_message(server, msg)) != NULL) {
- isns_socket_t *sock = isns_message_socket(msg);
-
- isns_socket_send(sock, resp);
- isns_message_release(resp);
- }
-
- isns_message_release(msg);
- }
-}
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