[pim] Initial pim 0.155

1 files changed, 276 insertions, 0 deletions

diff --git a/pimd/pim_main.c b/pimd/pim_main.c
new file mode 100644
index 00000000..1206b551
--- /dev/null
+++ b/pimd/pim_main.c
@@ -0,0 +1,276 @@
+/*
+  PIM for Quagga
+  Copyright (C) 2008  Everton da Silva Marques
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+  
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING; if not, write to the
+  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+  MA 02110-1301 USA
+  
+  $QuaggaId: $Format:%an, %ai, %h$ $
+*/
+
+#include <zebra.h>
+
+#include "log.h"
+#include "version.h"
+#include <getopt.h>
+#include "command.h"
+#include "thread.h"
+#include <signal.h>
+
+#include "memory.h"
+#include "filter.h"
+#include "vty.h"
+#include "sigevent.h"
+#include "version.h"
+
+#include "pimd.h"
+#include "pim_version.h"
+#include "pim_signals.h"
+#include "pim_zebra.h"
+
+#ifdef PIM_ZCLIENT_DEBUG
+extern int zclient_debug;
+#endif
+
+extern struct host host;
+extern const char *default_motd;
+
+char config_default[] = SYSCONFDIR PIMD_DEFAULT_CONFIG;
+
+struct option longopts[] = {
+  { "daemon",        no_argument,       NULL, 'd'},
+  { "config_file",   required_argument, NULL, 'f'},
+  { "pid_file",      required_argument, NULL, 'i'},
+  { "vty_addr",      required_argument, NULL, 'A'},
+  { "vty_port",      required_argument, NULL, 'P'},
+  { "version",       no_argument,       NULL, 'v'},
+  { "debug_zclient", no_argument,       NULL, 'Z'},
+  { "help",          no_argument,       NULL, 'h'},
+  { 0 }
+};
+
+char* progname;
+const char *pid_file = PATH_PIMD_PID;
+
+static void usage(int status)
+{
+  if (status != 0)
+    fprintf (stderr, "Try `%s --help' for more information.\n", progname);
+  else {    
+    printf ("Usage : %s [OPTION...]\n\
+Daemon which manages PIM.\n\n\
+-d, --daemon         Run in daemon mode\n\
+-f, --config_file    Set configuration file name\n\
+-i, --pid_file       Set process identifier file name\n\
+-A, --vty_addr       Set vty's bind address\n\
+-P, --vty_port       Set vty's port number\n\
+-v, --version        Print program version\n\
+"
+
+#ifdef PIM_ZCLIENT_DEBUG
+"\
+-Z, --debug_zclient  Enable zclient debugging\n\
+"
+#endif
+
+"\
+-h, --help           Display this help and exit\n\
+\n\
+Report bugs to %s\n", progname, PIMD_BUG_ADDRESS);
+  }
+
+  exit (status);
+}
+
+
+int main(int argc, char** argv, char** envp) {
+  char *p;
+  char *vty_addr = NULL;
+  int vty_port = -1;
+  int daemon_mode = 0;
+  char *config_file = NULL;
+  struct thread thread;
+          
+  umask(0027);
+ 
+  progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]);
+ 
+  zlog_default = openzlog(progname, ZLOG_PIM,
+			  LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON);
+     
+  /* this while just reads the options */                       
+  while (1) {
+    int opt;
+            
+    opt = getopt_long (argc, argv, "df:i:A:P:vZh", longopts, 0);
+                      
+    if (opt == EOF)
+      break;
+    
+    switch (opt) {
+    case 0:
+      break;
+    case 'd':
+      daemon_mode = 1;
+      break;
+    case 'f':
+      config_file = optarg;
+      break;
+    case 'i':
+      pid_file = optarg;
+      break;
+    case 'A':
+      vty_addr = optarg;
+      break;
+    case 'P':
+      vty_port = atoi (optarg);
+      break;
+    case 'v':
+      printf(PIMD_PROGNAME " version %s\n", PIMD_VERSION);
+      print_version(QUAGGA_PROGNAME);
+      exit (0);
+      break;
+#ifdef PIM_ZCLIENT_DEBUG
+    case 'Z':
+      zclient_debug = 1;
+      break;
+#endif
+    case 'h':
+      usage (0);
+      break;
+    default:
+      usage (1);
+      break;
+    }
+  }
+
+  master = thread_master_create();
+
+  /*
+   * Temporarily send zlog to stdout
+   */
+  zlog_default->maxlvl[ZLOG_DEST_STDOUT] = zlog_default->default_lvl;
+  zlog_notice("Boot logging temporarily directed to stdout - begin");
+
+  zlog_notice("Quagga %s " PIMD_PROGNAME " %s starting",
+	      QUAGGA_VERSION, PIMD_VERSION);
+
+  /* 
+   * Initializations
+   */
+  pim_signals_init();
+  cmd_init(1);
+  vty_init(master);
+  memory_init();
+  access_list_init();
+  pim_init();
+  sort_node();
+
+  /*
+   * reset zlog default, then will obey configuration file
+   */
+  zlog_notice("Boot logging temporarily directed to stdout - end");
+#if 0
+  /* this would disable logging to stdout, but config has not been
+     loaded yet to reconfig the logging output */
+  zlog_default->maxlvl[ZLOG_DEST_STDOUT] = ZLOG_DISABLED;
+#endif
+
+  zlog_notice("Loading configuration - begin");
+
+  /* Get configuration file. */
+  vty_read_config(config_file, config_default);
+
+  /*
+    Starting from here zlog_* functions will log according configuration
+   */
+
+  zlog_notice("Loading configuration - end");
+
+  /* Change to the daemon program. */
+  if (daemon_mode) {
+    if (daemon(0, 0)) {
+      zlog_warn("failed to daemonize");
+    }
+  }
+
+  /* Process ID file creation. */
+  pid_output(pid_file);
+
+  /* Create pimd VTY socket */
+  if (vty_port < 0)
+    vty_port = PIMD_VTY_PORT;
+  vty_serv_sock(vty_addr, vty_port, PIM_VTYSH_PATH);
+
+  zlog_notice("Quagga %s " PIMD_PROGNAME " %s starting, VTY interface at port TCP %d",
+	      QUAGGA_VERSION, PIMD_VERSION, vty_port);
+
+#ifdef PIM_MOTD_VERSION
+  /* Tweak default MOTD to include pimd version */
+  zlog_notice("PIM_MOTD_VERSION: adding pimd version to default MOTD");
+  if (host.motd == default_motd) {
+    host.motd =
+      "\r\n\
+Hello, this is " QUAGGA_PROGNAME " " QUAGGA_VERSION " " PIMD_PROGNAME " " PIMD_VERSION_STR "\r\n\
+" QUAGGA_COPYRIGHT "\r\n\
+\r\n";
+  }
+#endif
+
+#ifdef PIM_DEBUG_BYDEFAULT
+  zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands");
+  PIM_DO_DEBUG_PIM_EVENTS;
+  PIM_DO_DEBUG_PIM_PACKETS;
+  PIM_DO_DEBUG_PIM_TRACE;
+  PIM_DO_DEBUG_IGMP_EVENTS;
+  PIM_DO_DEBUG_IGMP_PACKETS;
+  PIM_DO_DEBUG_IGMP_TRACE;
+  PIM_DO_DEBUG_ZEBRA;
+#endif
+
+#ifdef PIM_ZCLIENT_DEBUG
+  zlog_notice("PIM_ZCLIENT_DEBUG: zclient debugging is supported, mode is %s (see option -Z)",
+	      zclient_debug ? "ON" : "OFF");
+#endif
+
+#ifdef PIM_CHECK_RECV_IFINDEX_SANITY
+  zlog_notice("PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex");
+#ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH
+  zlog_notice("PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch");
+#endif
+#endif
+
+#ifdef PIM_USE_QUAGGA_INET_CHECKSUM
+  zlog_notice("PIM_USE_QUAGGA_INET_CHECKSUM: using Quagga's builtin checksum");
+#endif
+
+#ifdef PIM_UNEXPECTED_KERNEL_UPCALL
+  zlog_notice("PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall");
+#endif
+
+  /*
+    Initialize zclient "update" and "lookup" sockets
+   */
+  pim_zebra_init();
+    
+  while (thread_fetch(master, &thread))
+    thread_call(&thread);
+
+  zlog_err("%s %s: thread_fetch() returned NULL, exiting",
+	   __FILE__, __PRETTY_FUNCTION__);
+
+  /* never reached */
+  return 0;
+}