mirror of
https://github.com/ceph/ceph
synced 2025-03-11 02:39:05 +00:00
b5df4a472c
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@667 29311d96-e01e-0410-9327-a35deaab8ce9
120 lines
2.3 KiB
C++
120 lines
2.3 KiB
C++
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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 "mds/MDCluster.h"
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#include "mds/MDS.h"
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#include "osd/OSD.h"
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#include "client/Client.h"
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#include "client/fuse.h"
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#include "msg/TCPMessenger.h"
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#include "common/Timer.h"
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#include <envz.h>
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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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int main(int argc, char **argv, char *envp[]) {
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//cerr << "tcpfuse starting " << myrank << "/" << world << endl;
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vector<char*> args;
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argv_to_vec(argc, argv, args);
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parse_config_options(args);
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vector<char*> nargs;
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char *nsaddr = 0;
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tcpaddr_t nsa;
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bool have_nsa = false;
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for (unsigned i=0; i<args.size(); i++) {
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if (strcmp(args[i], "--ns") == 0) {
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nsaddr = args[++i];
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}
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else {
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// unknown arg, pass it on.
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nargs.push_back(args[i]);
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cout << "fuse arg: " << args[i] << endl;
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}
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}
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if (nsaddr == 0) {
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// env var?
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int e_len = 0;
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for (int i=0; envp[i]; i++)
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e_len += strlen(envp[i]) + 1;
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nsaddr = envz_entry(*envp, e_len, "CEPH_NAMESERVER");
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if (nsaddr) {
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while (nsaddr[0] != '=') nsaddr++;
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nsaddr++;
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}
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}
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if (!nsaddr) {
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// file?
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int fd = ::open(".ceph_ns",O_RDONLY);
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if (fd > 0) {
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::read(fd, (void*)&nsa, sizeof(nsa));
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::close(fd);
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have_nsa = true;
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nsaddr = "from .ceph_ns";
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}
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}
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if (!nsaddr && !have_nsa) {
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cerr << "i need ceph ns addr.. either CEPH_NAMESERVER env var or --ns blah" << endl;
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exit(-1);
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}
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// look up nsaddr?
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if (!have_nsa && tcpmessenger_lookup(nsaddr, nsa) < 0) {
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return 1;
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}
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cout << "ceph ns is " << nsaddr << " or " << nsa << endl;
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// args for fuse
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args = nargs;
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vec_to_argv(args, argc, argv);
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// start up tcpmessenger
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tcpmessenger_init();
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tcpmessenger_start();
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tcpmessenger_start_rankserver(nsa);
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Client *client = new Client(new TCPMessenger(MSG_ADDR_CLIENT_NEW));
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client->init();
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// start up fuse
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// use my argc, argv (make sure you pass a mount point!)
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cout << "mounting" << endl;
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client->mount();
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cerr << "starting fuse on pid " << getpid() << endl;
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ceph_fuse_main(client, argc, argv);
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cerr << "fuse finished on pid " << getpid() << endl;
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client->unmount();
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cout << "unmounted" << endl;
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client->shutdown();
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delete client;
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// wait for it to finish
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tcpmessenger_wait();
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tcpmessenger_shutdown(); // shutdown MPI
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return 0;
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}
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