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Sage Weil
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142
src/crushtool.cc
Normal file
142
src/crushtool.cc
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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <iostream>
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#include <string>
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using namespace std;
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#include "config.h"
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#include "mon/MonMap.h"
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/*
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./monmaptool -f .ceph_monmap
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./monmaptool -f .ceph_monmap --create --clobber --add 1.2.3.4:12345
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./monmaptool -f .ceph_monmap --add 1.2.3.4:12345
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./monmaptool -f .ceph_monmap --rm 1.2.3.4:12345
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*/
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void usage(const char *me)
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{
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cout << me << " usage: [--print] [--create [--clobber]] [--add 1.2.3.4:567] [--rm 1.2.3.4:567]" << std::endl;
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exit(1);
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}
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void printmap(const char *me, MonMap *m)
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{
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cout << me << ": monmap: epoch " << m->epoch << std::endl
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<< me << ": monmap: fsid " << m->fsid << std::endl;
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for (unsigned i=0; i<m->mon_inst.size(); i++)
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cout << me << ": monmap: " //<< "mon" << i << " "
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<< m->mon_inst[i] << std::endl;
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}
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int main(int argc, const char **argv)
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{
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vector<const char*> args;
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argv_to_vec(argc, argv, args);
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const char *me = argv[0];
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const char *fn = ".ceph_monmap";
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bool print = false;
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bool create = false;
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bool clobber = false;
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bool modified = false;
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list<entity_addr_t> add, rm;
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for (unsigned i=0; i<args.size(); i++) {
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if (strcmp(args[i], "--fn") == 0)
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fn = args[++i];
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else if (strcmp(args[i], "--print") == 0)
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print = true;
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else if (strcmp(args[i], "--create") == 0)
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create = true;
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else if (strcmp(args[i], "--clobber") == 0)
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clobber = true;
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else if (strcmp(args[i], "--add") == 0 ||
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strcmp(args[i], "--rm") == 0) {
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if (++i >= args.size()) usage(me);
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entity_addr_t addr;
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if (!parse_ip_port(args[i], addr)) {
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cerr << me << ": invalid ip:port '" << args[i] << "'" << std::endl;
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return -1;
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}
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//inst.name = entity_name_t::MON(monmap.size());
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if (strcmp(args[i-1], "--add") == 0)
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add.push_back(addr);
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else
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rm.push_back(addr);
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modified = true;
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} else
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usage(me);
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}
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MonMap monmap;
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cout << me << ": monmap file " << fn << std::endl;
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int r = 0;
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if (!(create && clobber))
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r = monmap.read(fn);
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if (!create && r < 0) {
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cerr << me << ": couldn't open " << fn << ": " << strerror(errno) << std::endl;
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return -1;
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}
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else if (create && !clobber && r == 0) {
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cerr << me << ": " << fn << " exists, --clobber to overwrite" << std::endl;
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return -1;
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}
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for (list<entity_addr_t>::iterator p = add.begin(); p != add.end(); p++)
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monmap.add(*p);
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for (list<entity_addr_t>::iterator p = rm.begin(); p != rm.end(); p++) {
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cout << me << ": removing " << *p << std::endl;
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if (!monmap.remove(*p)) {
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cerr << me << ": map does not contain " << *p << std::endl;
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usage(me);
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}
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}
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if (!print && !modified)
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usage(me);
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if (print)
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printmap(me, &monmap);
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if (modified) {
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monmap.epoch++;
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// write it out
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cout << me << ": writing epoch " << monmap.epoch
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<< " to " << fn
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<< " (" << monmap.size() << " monitors)"
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<< std::endl;
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int r = monmap.write(fn);
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assert(r >= 0);
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}
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return 0;
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}
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142
src/monmaptool.cc
Normal file
142
src/monmaptool.cc
Normal file
@ -0,0 +1,142 @@
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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <iostream>
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#include <string>
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using namespace std;
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#include "config.h"
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#include "mon/MonMap.h"
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/*
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./monmaptool -f .ceph_monmap
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./monmaptool -f .ceph_monmap --create --clobber --add 1.2.3.4:12345
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./monmaptool -f .ceph_monmap --add 1.2.3.4:12345
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./monmaptool -f .ceph_monmap --rm 1.2.3.4:12345
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*/
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void usage(const char *me)
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{
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cout << me << " usage: [--print] [--create [--clobber]] [--add 1.2.3.4:567] [--rm 1.2.3.4:567]" << std::endl;
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exit(1);
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}
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void printmap(const char *me, MonMap *m)
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{
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cout << me << ": monmap: epoch " << m->epoch << std::endl
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<< me << ": monmap: fsid " << m->fsid << std::endl;
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for (unsigned i=0; i<m->mon_inst.size(); i++)
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cout << me << ": monmap: " //<< "mon" << i << " "
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<< m->mon_inst[i] << std::endl;
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}
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int main(int argc, const char **argv)
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{
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vector<const char*> args;
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argv_to_vec(argc, argv, args);
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const char *me = argv[0];
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const char *fn = ".ceph_monmap";
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bool print = false;
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bool create = false;
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bool clobber = false;
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bool modified = false;
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list<entity_addr_t> add, rm;
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for (unsigned i=0; i<args.size(); i++) {
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if (strcmp(args[i], "--fn") == 0)
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fn = args[++i];
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else if (strcmp(args[i], "--print") == 0)
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print = true;
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else if (strcmp(args[i], "--create") == 0)
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create = true;
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else if (strcmp(args[i], "--clobber") == 0)
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clobber = true;
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else if (strcmp(args[i], "--add") == 0 ||
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strcmp(args[i], "--rm") == 0) {
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if (++i >= args.size()) usage(me);
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entity_addr_t addr;
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if (!parse_ip_port(args[i], addr)) {
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cerr << me << ": invalid ip:port '" << args[i] << "'" << std::endl;
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return -1;
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}
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//inst.name = entity_name_t::MON(monmap.size());
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if (strcmp(args[i-1], "--add") == 0)
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add.push_back(addr);
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else
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rm.push_back(addr);
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modified = true;
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} else
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usage(me);
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}
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MonMap monmap;
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cout << me << ": monmap file " << fn << std::endl;
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int r = 0;
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if (!(create && clobber))
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r = monmap.read(fn);
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if (!create && r < 0) {
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cerr << me << ": couldn't open " << fn << ": " << strerror(errno) << std::endl;
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return -1;
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}
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else if (create && !clobber && r == 0) {
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cerr << me << ": " << fn << " exists, --clobber to overwrite" << std::endl;
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return -1;
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}
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for (list<entity_addr_t>::iterator p = add.begin(); p != add.end(); p++)
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monmap.add(*p);
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for (list<entity_addr_t>::iterator p = rm.begin(); p != rm.end(); p++) {
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cout << me << ": removing " << *p << std::endl;
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if (!monmap.remove(*p)) {
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cerr << me << ": map does not contain " << *p << std::endl;
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usage(me);
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}
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}
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if (!print && !modified)
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usage(me);
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if (print)
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printmap(me, &monmap);
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if (modified) {
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monmap.epoch++;
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// write it out
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cout << me << ": writing epoch " << monmap.epoch
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<< " to " << fn
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<< " (" << monmap.size() << " monitors)"
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<< std::endl;
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int r = monmap.write(fn);
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assert(r >= 0);
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}
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return 0;
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}
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