Beispiel #1
0
Datei: write.C Projekt: fd0/lbfs
  void do_write() {
    if (outstanding_writes >= PARALLEL_WRITES)
      return;
    if (written < size && !callback) {
      unsigned s = size-written;
      s = s > srv->wtpref ? srv->wtpref : s;
      if (use_lbfs)
	aiod_read (written, s,
	           wrap (this, &write_obj::lbfs_condwrite, written, s));
      else
	aiod_read (written, s,
	           wrap (this, &write_obj::nfs3_write, written, s));
      written += s;
    }
    if (!use_lbfs && written == size && !commit) {
      commit = true;
      nfs3_commit ();
    }
  }
Beispiel #2
0
int main(int argc, char *argv[])
{
	struct addrinfo *srv_addr, hints;
	int err;
	enum clnt_stat stat;
	nfs_ctx *ctx = NULL;

	LOOKUP3args largs;
	WRITE3args wr;
	COMMIT3args ci;

	if(argc < 6) {
		fprintf(stderr, "Not enough arguments\nThis tests the asynchronous "
				"libnfsclient NFS WRITE call interface and "
				"callback\n"
				"USAGE: nfs_write <server> <remote_file_dir> "
				"<file/dirname> <offset> <count>\n"
				"NOTE: <count> is ignored for now.\n");
				
		return 0;
	}

	/* First resolve server name */
	hints.ai_family = AF_INET;
	hints.ai_protocol = 0;
	hints.ai_socktype = 0;
	hints.ai_flags = 0;

	fprintf(stdout, "Resolving name: %s\n", argv[1]);
	if((err = getaddrinfo(argv[1], NULL, &hints, &srv_addr)) != 0) {
		fprintf(stderr, "%s: Cannot resolve name: %s: %s\n",
				argv[0], argv[1], gai_strerror(err));
		return -1;
	}
	
	fprintf(stdout, "Creating nfs client context..\n");
	ctx = nfs_init((struct sockaddr_in *)srv_addr->ai_addr, IPPROTO_TCP, 0);
	if(ctx == NULL) {
		fprintf(stderr, "%s: Cant init nfs context\n", argv[0]);
		return 0;
	}

	freeaddrinfo(srv_addr);
	mntfh.fhandle3_len = 0;
	fprintf(stdout, "Sending mount call..\n");
	stat = mount3_mnt(&argv[2], ctx, nfs_mnt_cb, NULL);
	if(stat == RPC_SUCCESS)
		fprintf(stderr, "NFS MOUNT Call sent successfully\n");
	else {
		fprintf(stderr, "Could not send NFS MOUNT call\n");
		return 0;
	}

	fprintf(stdout, "Mount call received..\n");
	largs.what.dir.data.data_len = mntfh.fhandle3_len;
	largs.what.dir.data.data_val = mntfh.fhandle3_val;
	largs.what.name = argv[3];

	lfh.fhandle3_len = 0;
	fprintf(stdout, "Sending lookup call for %s\n", argv[3]);
	stat = nfs3_lookup(&largs, ctx, nfs_lookup_cb, NULL);
	if(stat == RPC_SUCCESS)
		fprintf(stderr, "NFS LOOKUP Call sent successfully\n");
	else {
		fprintf(stderr, "Could not send NFS LOOKUP call\n");
		return 0;
	}

	/* Dont need the mount file handle anymore. */
	mem_free(mntfh.fhandle3_val, mntfh.fhandle3_len);
	fprintf(stdout, "Waiting for lookup reply..\n");
	nfs_complete(ctx, RPC_BLOCKING_WAIT);
	fprintf(stdout, "Lookup reply received..\n");

	wr.file.data.data_len = lfh.fhandle3_len;
	wr.file.data.data_val = lfh.fhandle3_val;
	wr.offset = atol(argv[4]);
	wr.count = strlen(wrdat);
	//wr.count = atol(argv[5]);
	wr.stable = UNSTABLE;
	wr.data.data_len = strlen(wrdat);
	wr.data.data_val = wrdat;

	res = NULL;
	fprintf(stdout, "Sending write call\n");
	stat = nfs3_write(&wr, ctx, nfs_write_cb, NULL);
	if(stat == RPC_SUCCESS)
		fprintf(stderr, "NFS WRITE Call sent successfully\n");
	else {
		fprintf(stderr, "Could not send NFS WRITE call\n");
		return 0;
	}

	fprintf(stdout, "Waiting for write reply..\n");
	nfs_complete(ctx, RPC_BLOCKING_WAIT);

	free_WRITE3res(res);
	fprintf(stdout, "Write reply received..\n");
	ci.file.data.data_len = lfh.fhandle3_len;
	ci.file.data.data_val = lfh.fhandle3_val;
	ci.offset = atol(argv[4]);
	ci.count = strlen(wrdat);
	fprintf(stdout, "Sending commit request..\n");
	stat = nfs3_commit(&ci, ctx, nfs_commit_cb, NULL);
	if(stat == RPC_SUCCESS)
		fprintf(stderr, "NFS COMMIT Call sent successfully\n");
	else {
		fprintf(stderr, "Could not send NFS COMMIT call\n");
		return 0;
	}
	
	fprintf(stdout, "Waiting for commit reply..\n");
	nfs_complete(ctx, RPC_BLOCKING_WAIT);
	fprintf(stdout, "Received commit reply..\n");

	return 0;
}