rename source files c* -> ceph-*

Signed-off-by: Sage Weil <sage.weil@dreamhost.com>

1 files changed, 363 insertions, 0 deletions

diff --git a/src/ceph_osd.cc b/src/ceph_osd.cc
new file mode 100644
index 00000000000..5d50349afe0
--- /dev/null
+++ b/src/ceph_osd.cc
@@ -0,0 +1,363 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software 
+ * Foundation.  See file COPYING.
+ * 
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <sys/stat.h>
+#include <iostream>
+#include <string>
+using namespace std;
+
+#include "osd/OSD.h"
+
+#include "common/config.h"
+
+#include "mon/MonMap.h"
+#include "mon/MonClient.h"
+
+
+#include "msg/SimpleMessenger.h"
+
+#include "common/Timer.h"
+#include "global/global_init.h"
+#include "common/ceph_argparse.h"
+
+#include "include/color.h"
+#include "common/errno.h"
+
+#include "perfglue/heap_profiler.h"
+
+void usage() 
+{
+  derr << "usage: ceph-osd -i osdid [--osd-data=path] [--osd-journal=path] "
+       << "[--mkfs] [--mkjournal] [--convert-filestore]" << dendl;
+  derr << "   --debug_osd N   set debug level (e.g. 10)" << dendl;
+  generic_server_usage();
+}
+
+int main(int argc, const char **argv) 
+{
+  vector<const char*> args;
+  argv_to_vec(argc, argv, args);
+  env_to_vec(args);
+  vector<const char *>::iterator args_iter;
+
+  global_init(args, CEPH_ENTITY_TYPE_OSD, CODE_ENVIRONMENT_DAEMON, 0);
+  ceph_heap_profiler_init();
+
+  // osd specific args
+  bool mkfs = false;
+  bool mkjournal = false;
+  bool mkkey = false;
+  bool flushjournal = false;
+  bool convertfilestore = false;
+  std::string dump_pg_log;
+
+  std::string val;
+  for (std::vector<const char*>::iterator i = args.begin(); i != args.end(); ) {
+    if (ceph_argparse_double_dash(args, i)) {
+      break;
+    } else if (ceph_argparse_flag(args, i, "-h", "--help", (char*)NULL)) {
+      usage();
+      exit(0);
+    } else if (ceph_argparse_flag(args, i, "--mkfs", (char*)NULL)) {
+      mkfs = true;
+    } else if (ceph_argparse_flag(args, i, "--mkjournal", (char*)NULL)) {
+      mkjournal = true;
+    } else if (ceph_argparse_flag(args, i, "--mkkey", (char*)NULL)) {
+      mkkey = true;
+    } else if (ceph_argparse_flag(args, i, "--flush-journal", (char*)NULL)) {
+      flushjournal = true;
+    } else if (ceph_argparse_flag(args, i, "--convert-filestore", (char*)NULL)) {
+      convertfilestore = true;
+    } else if (ceph_argparse_witharg(args, i, &val, "--dump-pg-log", (char*)NULL)) {
+      dump_pg_log = val;
+    } else {
+      ++i;
+    }
+  }
+  if (!args.empty()) {
+    derr << "unrecognized arg " << args[0] << dendl;
+    usage();
+  }
+
+  if (!dump_pg_log.empty()) {
+    common_init_finish(g_ceph_context);
+    bufferlist bl;
+    std::string error;
+    int r = bl.read_file(dump_pg_log.c_str(), &error);
+    if (r >= 0) {
+      PG::Log::Entry e;
+      bufferlist::iterator p = bl.begin();
+      while (!p.end()) {
+	uint64_t pos = p.get_off();
+	try {
+	  ::decode(e, p);
+	}
+	catch (const buffer::error &e) {
+	  derr << "failed to decode LogEntry at offset " << pos << dendl;
+	  return 1;
+	}
+	derr << pos << ":\t" << e << dendl;
+      }
+    } else {
+      derr << "unable to open " << dump_pg_log << ": " << error << dendl;
+    }
+    return 0;
+  }
+
+  // whoami
+  char *end;
+  const char *id = g_conf->name.get_id().c_str();
+  int whoami = strtol(id, &end, 10);
+  if (*end || end == id || whoami < 0) {
+    derr << "must specify '-i #' where # is the osd number" << dendl;
+    usage();
+  }
+
+  if (g_conf->osd_data.empty()) {
+    derr << "must specify '--osd-data=foo' data path" << dendl;
+    usage();
+  }
+
+  if (mkfs) {
+    common_init_finish(g_ceph_context);
+    MonClient mc(g_ceph_context);
+    if (mc.build_initial_monmap() < 0)
+      return -1;
+    if (mc.get_monmap_privately() < 0)
+      return -1;
+
+    int err = OSD::mkfs(g_conf->osd_data, g_conf->osd_journal, mc.monmap.fsid, whoami);
+    if (err < 0) {
+      derr << TEXT_RED << " ** ERROR: error creating empty object store in "
+	   << g_conf->osd_data << ": " << cpp_strerror(-err) << TEXT_NORMAL << dendl;
+      exit(1);
+    }
+    derr << "created object store " << g_conf->osd_data;
+    if (!g_conf->osd_journal.empty())
+      *_dout << " journal " << g_conf->osd_journal;
+    *_dout << " for osd" << whoami << " fsid " << mc.monmap.fsid << dendl;
+  }
+  if (mkkey) {
+    common_init_finish(g_ceph_context);
+    KeyRing *keyring = KeyRing::create_empty();
+    if (!keyring) {
+      derr << "Unable to get a Ceph keyring." << dendl;
+      return 1;
+    }
+    EntityName ename(g_conf->name);
+    EntityAuth eauth;
+    eauth.key.create(g_ceph_context, CEPH_CRYPTO_AES);
+    keyring->add(ename, eauth);
+    bufferlist bl;
+    keyring->encode_plaintext(bl);
+    int r = bl.write_file(g_conf->keyring.c_str(), 0600);
+    if (r)
+      derr << TEXT_RED << " ** ERROR: writing new keyring to " << g_conf->keyring
+	   << ": " << cpp_strerror(r) << TEXT_NORMAL << dendl;
+    else
+      derr << "created new key in keyring " << g_conf->keyring << dendl;
+  }
+  if (mkfs || mkkey)
+    exit(0);
+  if (mkjournal) {
+    common_init_finish(g_ceph_context);
+    int err = OSD::mkjournal(g_conf->osd_data, g_conf->osd_journal);
+    if (err < 0) {
+      derr << TEXT_RED << " ** ERROR: error creating fresh journal " << g_conf->osd_journal
+	   << " for object store " << g_conf->osd_data
+	   << ": " << cpp_strerror(-err) << TEXT_NORMAL << dendl;
+      exit(1);
+    }
+    derr << "created new journal " << g_conf->osd_journal
+	 << " for object store " << g_conf->osd_data << dendl;
+    exit(0);
+  }
+  if (flushjournal) {
+    common_init_finish(g_ceph_context);
+    int err = OSD::flushjournal(g_conf->osd_data, g_conf->osd_journal);
+    if (err < 0) {
+      derr << TEXT_RED << " ** ERROR: error flushing journal " << g_conf->osd_journal
+	   << " for object store " << g_conf->osd_data
+	   << ": " << cpp_strerror(-err) << TEXT_NORMAL << dendl;
+      exit(1);
+    }
+    derr << "flushed journal " << g_conf->osd_journal
+	 << " for object store " << g_conf->osd_data
+	 << dendl;
+    exit(0);
+  }
+
+  if (convertfilestore) {
+    int err = OSD::convertfs(g_conf->osd_data, g_conf->osd_journal);
+    if (err < 0) {
+      derr << TEXT_RED << " ** ERROR: error converting store " << g_conf->osd_data
+	   << ": " << cpp_strerror(-err) << TEXT_NORMAL << dendl;
+      exit(1);
+    }
+  }
+  
+  string magic;
+  ceph_fsid_t fsid;
+  int w;
+  int r = OSD::peek_meta(g_conf->osd_data, magic, fsid, w);
+  if (r < 0) {
+    derr << TEXT_RED << " ** ERROR: unable to open OSD superblock on "
+	 << g_conf->osd_data << ": " << cpp_strerror(-r)
+	 << TEXT_NORMAL << dendl;
+    if (r == -ENOTSUP) {
+      derr << TEXT_RED << " **        please verify that underlying storage "
+	   << "supports xattrs" << TEXT_NORMAL << dendl;
+    }
+    exit(1);
+  }
+  if (w != whoami) {
+    derr << "OSD id " << w << " != my id " << whoami << dendl;
+    exit(1);
+  }
+  if (strcmp(magic.c_str(), CEPH_OSD_ONDISK_MAGIC)) {
+    derr << "OSD magic " << magic << " != my " << CEPH_OSD_ONDISK_MAGIC
+	 << dendl;
+    exit(1);
+  }
+
+  if (g_conf->public_addr.is_blank_ip() && !g_conf->cluster_addr.is_blank_ip()) {
+    derr << TEXT_YELLOW
+	 << " ** WARNING: specified cluster addr but not public addr; we recommend **\n"
+	 << " **          you specify neither or both.                             **"
+	 << TEXT_NORMAL << dendl;
+  }
+
+  SimpleMessenger *client_messenger = new SimpleMessenger(g_ceph_context);
+  SimpleMessenger *cluster_messenger = new SimpleMessenger(g_ceph_context);
+  SimpleMessenger *messenger_hbin = new SimpleMessenger(g_ceph_context);
+  SimpleMessenger *messenger_hbout = new SimpleMessenger(g_ceph_context);
+
+  client_messenger->bind(g_conf->public_addr, getpid());
+  cluster_messenger->bind(g_conf->cluster_addr, getpid());
+
+  // hb should bind to same ip as cluster_addr (if specified)
+  entity_addr_t hb_addr = g_conf->cluster_addr;
+  if (!hb_addr.is_blank_ip())
+    hb_addr.set_port(0);
+  messenger_hbout->bind(hb_addr, getpid());
+
+  cout << "starting osd" << whoami
+       << " at " << client_messenger->get_ms_addr() 
+       << " osd_data " << g_conf->osd_data
+       << " " << ((g_conf->osd_journal.empty()) ?
+		    "(no journal)" : g_conf->osd_journal)
+       << std::endl;
+
+  client_messenger->register_entity(entity_name_t::OSD(whoami));
+  cluster_messenger->register_entity(entity_name_t::OSD(whoami));
+  messenger_hbin->register_entity(entity_name_t::OSD(whoami));
+  messenger_hbout->register_entity(entity_name_t::OSD(whoami));
+
+  Throttle client_throttler(g_conf->osd_client_message_size_cap);
+
+  uint64_t supported =
+    CEPH_FEATURE_UID | 
+    CEPH_FEATURE_NOSRCADDR |
+    CEPH_FEATURE_PGID64;
+
+  client_messenger->set_default_policy(SimpleMessenger::Policy::stateless_server(supported, 0));
+  client_messenger->set_policy(entity_name_t::TYPE_CLIENT,
+			       SimpleMessenger::Policy::stateless_server(supported, 0));
+  client_messenger->set_policy_throttler(entity_name_t::TYPE_CLIENT, &client_throttler);
+  client_messenger->set_policy(entity_name_t::TYPE_MON,
+                               SimpleMessenger::Policy::client(supported,
+                                                               CEPH_FEATURE_UID |
+							       CEPH_FEATURE_PGID64));
+  //try to poison pill any OSD connections on the wrong address
+  client_messenger->set_policy(entity_name_t::TYPE_OSD,
+			       SimpleMessenger::Policy::stateless_server(0,0));
+
+  cluster_messenger->set_default_policy(SimpleMessenger::Policy::stateless_server(0, 0));
+  cluster_messenger->set_policy(entity_name_t::TYPE_MON, SimpleMessenger::Policy::client(0,0));
+  cluster_messenger->set_policy(entity_name_t::TYPE_OSD,
+				SimpleMessenger::Policy::lossless_peer(supported,
+								       CEPH_FEATURE_UID |
+								       CEPH_FEATURE_PGID64));
+  cluster_messenger->set_policy(entity_name_t::TYPE_CLIENT,
+				SimpleMessenger::Policy::stateless_server(0, 0));
+
+  // Set up crypto, daemonize, etc.
+  // Leave stderr open in case we need to report errors.
+  global_init_daemonize(g_ceph_context, CINIT_FLAG_NO_CLOSE_STDERR);
+  common_init_finish(g_ceph_context);
+
+  int err = OSD::convertfs(g_conf->osd_data, g_conf->osd_journal);
+  if (err < 0) {
+    derr << TEXT_RED << " ** ERROR: error converting store " << g_conf->osd_data
+	 << ": " << cpp_strerror(-err) << TEXT_NORMAL << dendl;
+    exit(1);
+  }
+
+  MonClient mc(g_ceph_context);
+  if (mc.build_initial_monmap() < 0)
+    return -1;
+  global_init_chdir(g_ceph_context);
+
+  OSD *osd = new OSD(whoami, cluster_messenger, client_messenger,
+		     messenger_hbin, messenger_hbout,
+		     &mc,
+		     g_conf->osd_data, g_conf->osd_journal);
+  err = osd->pre_init();
+  if (err < 0) {
+    derr << TEXT_RED << " ** ERROR: initializing osd failed: " << cpp_strerror(-err)
+	 << TEXT_NORMAL << dendl;
+    return 1;
+  }
+
+  // Now close the standard file descriptors
+  global_init_shutdown_stderr(g_ceph_context);
+
+  client_messenger->start();
+  messenger_hbin->start_with_nonce(getpid());
+  messenger_hbout->start();
+  cluster_messenger->start();
+
+  // start osd
+  err = osd->init();
+  if (err < 0) {
+    derr << TEXT_RED << " ** ERROR: initializing osd failed: " << cpp_strerror(-err)
+         << TEXT_NORMAL << dendl;
+    return 1;
+  }
+
+  client_messenger->wait();
+  messenger_hbin->wait();
+  messenger_hbout->wait();
+  cluster_messenger->wait();
+
+  // done
+  delete osd;
+  client_messenger->destroy();
+  messenger_hbin->destroy();
+  messenger_hbout->destroy();
+  cluster_messenger->destroy();
+
+  // cd on exit, so that gmon.out (if any) goes into a separate directory for each node.
+  char s[20];
+  snprintf(s, sizeof(s), "gmon/%d", getpid());
+  if ((mkdir(s, 0755) == 0) && (chdir(s) == 0)) {
+    dout(0) << "ceph-osd: gmon.out should be in " << s << dendl;
+  }
+
+  return 0;
+}