/*
 * get list of data nodes' rest servers,
 * and choose one (based on modulo segment id).
 * if pxf_isilon is true, there are no PXF instances on the datanodes.
 * TODO: add locality
 */
PxfServer* get_pxf_server(GPHDUri* gphd_uri, const Relation rel)
{
	ClientContext client_context; /* holds the communication info */
	PxfInputData inputData = {0};
	List	 	*rest_servers = NIL;
	ListCell 	*rest_server_c = NULL;
	PxfServer *found_server = NULL;
	PxfServer *ret_server = (PxfServer*)palloc0(sizeof(PxfServer));
	char		*server_ip = NULL;
	int 		 server_index = 0;

	Assert(gphd_uri);

	/* init context */
	init_client_context(&client_context);
	client_context.http_headers = churl_headers_init();

	/* set HTTP header that guarantees response in JSON format */
	churl_headers_append(client_context.http_headers, REST_HEADER_JSON_RESPONSE, NULL);
	if (!client_context.http_headers)
	{
		return NULL;
	}

	/*
	 * Enrich the curl HTTP header
	 */
	inputData.headers = client_context.http_headers;
	inputData.gphduri = gphd_uri;
	inputData.rel = rel;
	inputData.filterstr = NULL; /* We do not supply filter data to the HTTP header */
	add_delegation_token(&inputData);
	build_http_header(&inputData);

	int port = atoi(gphd_uri->port);

	if (!pxf_isilon)
	{
		/* send request */
		rest_servers = get_datanode_rest_servers(gphd_uri, &client_context);
		foreach(rest_server_c, rest_servers)
		{
			PxfServer *rest_server = (PxfServer*)lfirst(rest_server_c);
			/* In case there are several rest servers on the same host, we assume
			 * there are multiple DN residing together.
			 * The port is incremented by one, to match singlecluster convention */
			if (pxf_service_singlecluster)
			{
				if (server_ip == NULL)
				{
					server_ip = rest_server->host;
				}
				else if (are_ips_equal(server_ip, rest_server->host))
				{
					port++;
				}
			}
			rest_server->port = port;
		}
Exemple #2
0
int
main(int argc, const char **argv)
{
    svn_error_t *err = SVN_NO_ERROR;
    const svn_opt_subcommand_desc2_t *subcommand = NULL;
    opt_baton_t *opt_baton;
    svn_revnum_t latest_revision = SVN_INVALID_REVNUM;
    apr_pool_t *pool = NULL;
    const char *config_dir = NULL;
    const char *username = NULL;
    const char *password = NULL;
    svn_boolean_t no_auth_cache = FALSE;
    svn_boolean_t trust_server_cert = FALSE;
    svn_boolean_t non_interactive = FALSE;
    apr_array_header_t *config_options = NULL;
    apr_getopt_t *os;
    const char *first_arg;
    apr_array_header_t *received_opts;
    apr_allocator_t *allocator;
    int i;

    if (svn_cmdline_init ("svnrdump", stderr) != EXIT_SUCCESS)
        return EXIT_FAILURE;

    /* Create our top-level pool.  Use a separate mutexless allocator,
     * given this application is single threaded.
     */
    if (apr_allocator_create(&allocator))
        return EXIT_FAILURE;

    apr_allocator_max_free_set(allocator, SVN_ALLOCATOR_RECOMMENDED_MAX_FREE);

    pool = svn_pool_create_ex(NULL, allocator);
    apr_allocator_owner_set(allocator, pool);

    opt_baton = apr_pcalloc(pool, sizeof(*opt_baton));
    opt_baton->start_revision.kind = svn_opt_revision_unspecified;
    opt_baton->end_revision.kind = svn_opt_revision_unspecified;
    opt_baton->url = NULL;

    SVNRDUMP_ERR(svn_cmdline__getopt_init(&os, argc, argv, pool));

    os->interleave = TRUE; /* Options and arguments can be interleaved */

    /* Set up our cancellation support. */
    apr_signal(SIGINT, signal_handler);
#ifdef SIGBREAK
    /* SIGBREAK is a Win32 specific signal generated by ctrl-break. */
    apr_signal(SIGBREAK, signal_handler);
#endif
#ifdef SIGHUP
    apr_signal(SIGHUP, signal_handler);
#endif
#ifdef SIGTERM
    apr_signal(SIGTERM, signal_handler);
#endif
#ifdef SIGPIPE
    /* Disable SIGPIPE generation for the platforms that have it. */
    apr_signal(SIGPIPE, SIG_IGN);
#endif
#ifdef SIGXFSZ
    /* Disable SIGXFSZ generation for the platforms that have it, otherwise
     * working with large files when compiled against an APR that doesn't have
     * large file support will crash the program, which is uncool. */
    apr_signal(SIGXFSZ, SIG_IGN);
#endif

    received_opts = apr_array_make(pool, SVN_OPT_MAX_OPTIONS, sizeof(int));

    while (1)
    {
        int opt;
        const char *opt_arg;
        apr_status_t status = apr_getopt_long(os, svnrdump__options, &opt,
                                              &opt_arg);

        if (APR_STATUS_IS_EOF(status))
            break;
        if (status != APR_SUCCESS)
        {
            SVNRDUMP_ERR(usage(argv[0], pool));
            exit(EXIT_FAILURE);
        }

        /* Stash the option code in an array before parsing it. */
        APR_ARRAY_PUSH(received_opts, int) = opt;

        switch(opt)
        {
        case 'r':
        {
            /* Make sure we've not seen -r already. */
            if (opt_baton->start_revision.kind != svn_opt_revision_unspecified)
            {
                err = svn_error_create(SVN_ERR_CL_ARG_PARSING_ERROR, NULL,
                                       _("Multiple revision arguments "
                                         "encountered; try '-r N:M' instead "
                                         "of '-r N -r M'"));
                return svn_cmdline_handle_exit_error(err, pool, "svnrdump: ");
            }
            /* Parse the -r argument. */
            if (svn_opt_parse_revision(&(opt_baton->start_revision),
                                       &(opt_baton->end_revision),
                                       opt_arg, pool) != 0)
            {
                const char *utf8_opt_arg;
                err = svn_utf_cstring_to_utf8(&utf8_opt_arg, opt_arg, pool);
                if (! err)
                    err = svn_error_createf(SVN_ERR_CL_ARG_PARSING_ERROR, NULL,
                                            _("Syntax error in revision "
                                              "argument '%s'"), utf8_opt_arg);
                return svn_cmdline_handle_exit_error(err, pool, "svnrdump: ");
            }
        }
        break;
        case 'q':
            opt_baton->quiet = TRUE;
            break;
        case opt_config_dir:
            config_dir = opt_arg;
            break;
        case opt_version:
            opt_baton->version = TRUE;
            break;
        case 'h':
            opt_baton->help = TRUE;
            break;
        case opt_auth_username:
            SVNRDUMP_ERR(svn_utf_cstring_to_utf8(&username, opt_arg, pool));
            break;
        case opt_auth_password:
            SVNRDUMP_ERR(svn_utf_cstring_to_utf8(&password, opt_arg, pool));
            break;
        case opt_auth_nocache:
            no_auth_cache = TRUE;
            break;
        case opt_non_interactive:
            non_interactive = TRUE;
            break;
        case opt_incremental:
            opt_baton->incremental = TRUE;
            break;
        case opt_trust_server_cert:
            trust_server_cert = TRUE;
            break;
        case opt_config_option:
            if (!config_options)
                config_options =
                    apr_array_make(pool, 1,
                                   sizeof(svn_cmdline__config_argument_t*));

            SVNRDUMP_ERR(svn_utf_cstring_to_utf8(&opt_arg, opt_arg, pool));
            SVNRDUMP_ERR(svn_cmdline__parse_config_option(config_options,
                         opt_arg, pool));
        }
    }

    if (opt_baton->help)
    {
        subcommand = svn_opt_get_canonical_subcommand2(svnrdump__cmd_table,
                     "help");
    }
    if (subcommand == NULL)
    {
        if (os->ind >= os->argc)
        {
            if (opt_baton->version)
            {
                /* Use the "help" subcommand to handle the "--version" option. */
                static const svn_opt_subcommand_desc2_t pseudo_cmd =
                {   "--version", help_cmd, {0}, "",
                    {   opt_version,  /* must accept its own option */
                        'q',  /* --quiet */
                    }
                };
                subcommand = &pseudo_cmd;
            }

            else
            {
                SVNRDUMP_ERR(help_cmd(NULL, NULL, pool));
                svn_pool_destroy(pool);
                exit(EXIT_FAILURE);
            }
        }
        else
        {
            first_arg = os->argv[os->ind++];
            subcommand = svn_opt_get_canonical_subcommand2(svnrdump__cmd_table,
                         first_arg);

            if (subcommand == NULL)
            {
                const char *first_arg_utf8;
                err = svn_utf_cstring_to_utf8(&first_arg_utf8, first_arg, pool);
                if (err)
                    return svn_cmdline_handle_exit_error(err, pool, "svnrdump: ");
                svn_error_clear(svn_cmdline_fprintf(stderr, pool,
                                                    _("Unknown command: '%s'\n"),
                                                    first_arg_utf8));
                SVNRDUMP_ERR(help_cmd(NULL, NULL, pool));
                svn_pool_destroy(pool);
                exit(EXIT_FAILURE);
            }
        }
    }

    /* Check that the subcommand wasn't passed any inappropriate options. */
    for (i = 0; i < received_opts->nelts; i++)
    {
        int opt_id = APR_ARRAY_IDX(received_opts, i, int);

        /* All commands implicitly accept --help, so just skip over this
           when we see it. Note that we don't want to include this option
           in their "accepted options" list because it would be awfully
           redundant to display it in every commands' help text. */
        if (opt_id == 'h' || opt_id == '?')
            continue;

        if (! svn_opt_subcommand_takes_option3(subcommand, opt_id, NULL))
        {
            const char *optstr;
            const apr_getopt_option_t *badopt =
                svn_opt_get_option_from_code2(opt_id, svnrdump__options,
                                              subcommand, pool);
            svn_opt_format_option(&optstr, badopt, FALSE, pool);
            if (subcommand->name[0] == '-')
                SVN_INT_ERR(help_cmd(NULL, NULL, pool));
            else
                svn_error_clear(svn_cmdline_fprintf(
                                    stderr, pool,
                                    _("Subcommand '%s' doesn't accept option '%s'\n"
                                      "Type 'svnrdump help %s' for usage.\n"),
                                    subcommand->name, optstr, subcommand->name));
            svn_pool_destroy(pool);
            return EXIT_FAILURE;
        }
    }

    if (subcommand && strcmp(subcommand->name, "--version") == 0)
    {
        SVNRDUMP_ERR(version(argv[0], opt_baton->quiet, pool));
        svn_pool_destroy(pool);
        exit(EXIT_SUCCESS);
    }

    if (subcommand && strcmp(subcommand->name, "help") == 0)
    {
        SVNRDUMP_ERR(help_cmd(os, opt_baton, pool));
        svn_pool_destroy(pool);
        exit(EXIT_SUCCESS);
    }

    /* --trust-server-cert can only be used with --non-interactive */
    if (trust_server_cert && !non_interactive)
    {
        err = svn_error_create(SVN_ERR_CL_ARG_PARSING_ERROR, NULL,
                               _("--trust-server-cert requires "
                                 "--non-interactive"));
        return svn_cmdline_handle_exit_error(err, pool, "svnrdump: ");
    }

    /* Expect one more non-option argument:  the repository URL. */
    if (os->ind != os->argc - 1)
    {
        SVNRDUMP_ERR(usage(argv[0], pool));
        svn_pool_destroy(pool);
        exit(EXIT_FAILURE);
    }
    else
    {
        const char *repos_url;

        SVNRDUMP_ERR(svn_utf_cstring_to_utf8(&repos_url,
                                             os->argv[os->ind], pool));
        if (! svn_path_is_url(repos_url))
        {
            err = svn_error_createf(SVN_ERR_CL_ARG_PARSING_ERROR, 0,
                                    "Target '%s' is not a URL",
                                    repos_url);
            SVNRDUMP_ERR(err);
            svn_pool_destroy(pool);
            exit(EXIT_FAILURE);
        }
        opt_baton->url = svn_uri_canonicalize(repos_url, pool);
    }

    SVNRDUMP_ERR(init_client_context(&(opt_baton->ctx),
                                     non_interactive,
                                     username,
                                     password,
                                     config_dir,
                                     no_auth_cache,
                                     trust_server_cert,
                                     config_options,
                                     pool));

    SVNRDUMP_ERR(svn_client_open_ra_session(&(opt_baton->session),
                                            opt_baton->url,
                                            opt_baton->ctx, pool));

    /* Have sane opt_baton->start_revision and end_revision defaults if
       unspecified.  */
    SVNRDUMP_ERR(svn_ra_get_latest_revnum(opt_baton->session,
                                          &latest_revision, pool));

    /* Make sure any provided revisions make sense. */
    SVNRDUMP_ERR(validate_and_resolve_revisions(opt_baton,
                 latest_revision, pool));

    /* Dispatch the subcommand */
    SVNRDUMP_ERR((*subcommand->cmd_func)(os, opt_baton, pool));

    svn_pool_destroy(pool);

    return EXIT_SUCCESS;
}