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authorThomas Graf <tgraf@suug.ch>2010-10-20 15:15:58 (GMT)
committerThomas Graf <tgraf@suug.ch>2010-10-20 15:15:58 (GMT)
commit8699ba85ccfa6545806433de3daeee2f98b9d350 (patch)
tree911125ed2fc7e4a723ddae36f4e9fda07e394df6 /src
parentcefe7db730cae80133c7811cf34b83985857ab25 (diff)
downloadlibnl-8699ba85ccfa6545806433de3daeee2f98b9d350.zip
libnl-8699ba85ccfa6545806433de3daeee2f98b9d350.tar.gz
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nl-class-delete tool
Tool based on nl-qdisc-delete to delete traffic classes.
Diffstat (limited to 'src')
-rw-r--r--src/.gitignore1
-rw-r--r--src/Makefile.am4
-rw-r--r--src/lib/class.c14
-rw-r--r--src/nl-class-delete.c134
4 files changed, 152 insertions, 1 deletions
diff --git a/src/.gitignore b/src/.gitignore
index cacaa3c..d5fdaa8 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -22,6 +22,7 @@ nl-qdisc-add
nl-qdisc-delete
nl-qdisc-list
nl-class-add
+nl-class-delete
nl-route-add
nl-route-delete
nl-route-list
diff --git a/src/Makefile.am b/src/Makefile.am
index 1c0bcc4..5cd10af 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -7,7 +7,7 @@ AM_LDFLAGS = -L${top_builddir}/lib -L${top_builddir}/src/lib -lnl-cli
sbin_PROGRAMS = \
nl-qdisc-add nl-qdisc-list nl-qdisc-delete \
- nl-class-add \
+ nl-class-add nl-class-delete \
nl-classid-lookup
noinst_PROGRAMS = \
@@ -79,6 +79,8 @@ nl_qdisc_list_LDADD = -lnl-route
nl_class_add_SOURCES = nl-class-add.c
nl_class_add_LDADD = -lnl-route
+nl_class_delete_SOURCES = nl-class-delete.c
+nl_class_delete_LDADD = -lnl-route
nl_route_add_SOURCES = nl-route-add.c
nl_route_add_LDADD = -lnl-route
diff --git a/src/lib/class.c b/src/lib/class.c
index 93346d5..4f6ba30 100644
--- a/src/lib/class.c
+++ b/src/lib/class.c
@@ -29,6 +29,20 @@ struct rtnl_class *nl_cli_class_alloc(void)
return class;
}
+struct nl_cache *nl_cli_class_alloc_cache(struct nl_sock *sock, int ifindex)
+{
+ struct nl_cache *cache;
+ int err;
+
+ if ((err = rtnl_class_alloc_cache(sock, ifindex, &cache)) < 0)
+ nl_cli_fatal(err, "Unable to allocate class cache: %s",
+ nl_geterror(err));
+
+ nl_cache_mngt_provide(cache);
+
+ return cache;
+}
+
void nl_cli_class_parse_dev(struct rtnl_class *class, struct nl_cache *link_cache, char *arg)
{
int ival;
diff --git a/src/nl-class-delete.c b/src/nl-class-delete.c
new file mode 100644
index 0000000..94b11d0
--- /dev/null
+++ b/src/nl-class-delete.c
@@ -0,0 +1,134 @@
+/*
+ * src/nl-class-delete.c Delete Traffic Classes
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation version 2.1
+ * of the License.
+ *
+ * Copyright (c) 2010 Thomas Graf <tgraf@suug.ch>
+ */
+
+#include <netlink/cli/utils.h>
+#include <netlink/cli/class.h>
+#include <netlink/cli/link.h>
+
+static int quiet = 0, default_yes = 0, deleted = 0, interactive = 0;
+struct nl_sock *sock;
+
+static void print_usage(void)
+{
+ printf(
+ "Usage: nl-class-delete [OPTION]... [class]\n"
+ "\n"
+ "OPTIONS\n"
+ " --interactive Run interactively.\n"
+ " --yes Set default answer to yes.\n"
+ " -q, --quiet Do not print informal notifications.\n"
+ " -h, --help Show this help text and exit.\n"
+ " -v, --version Show versioning information and exit.\n"
+ "\n"
+ " -d, --dev=DEV Device the class is attached to.\n"
+ " -p, --parent=ID Identifier of parent qdisc/class.\n"
+ " -i, --id=ID Identifier\n"
+ " -k, --kind=NAME Kind of class (e.g. pfifo_fast)\n"
+ "\n"
+ "EXAMPLE\n"
+ " # Delete all classes on eth0 attached to parent 1:\n"
+ " $ nl-class-delete --dev eth0 --parent 1:\n"
+ "\n"
+ );
+
+ exit(0);
+}
+
+static void delete_cb(struct nl_object *obj, void *arg)
+{
+ struct rtnl_class *class = nl_object_priv(obj);
+ struct nl_dump_params params = {
+ .dp_type = NL_DUMP_LINE,
+ .dp_fd = stdout,
+ };
+ int err;
+
+ if (interactive && !nl_cli_confirm(obj, &params, default_yes))
+ return;
+
+ if ((err = rtnl_class_delete(sock, class)) < 0)
+ nl_cli_fatal(err, "Unable to delete class: %s\n", nl_geterror(err));
+
+ if (!quiet) {
+ printf("Deleted ");
+ nl_object_dump(obj, &params);
+ }
+
+ deleted++;
+}
+
+int main(int argc, char *argv[])
+{
+ struct rtnl_class *class;
+ struct nl_cache *link_cache, *class_cache;
+
+ sock = nl_cli_alloc_socket();
+ nl_cli_connect(sock, NETLINK_ROUTE);
+ link_cache = nl_cli_link_alloc_cache(sock);
+ class = nl_cli_class_alloc();
+
+ for (;;) {
+ int c, optidx = 0;
+ enum {
+ ARG_YES = 257,
+ ARG_INTERACTIVE = 258,
+ };
+ static struct option long_opts[] = {
+ { "interactive", 0, 0, ARG_INTERACTIVE },
+ { "yes", 0, 0, ARG_YES },
+ { "quiet", 0, 0, 'q' },
+ { "help", 0, 0, 'h' },
+ { "version", 0, 0, 'v' },
+ { "dev", 1, 0, 'd' },
+ { "parent", 1, 0, 'p' },
+ { "id", 1, 0, 'i' },
+ { "kind", 1, 0, 'k' },
+ { 0, 0, 0, 0 }
+ };
+
+ c = getopt_long(argc, argv, "qhvd:p:i:k:", long_opts, &optidx);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case '?': nl_cli_fatal(EINVAL, "Invalid options");
+ case ARG_INTERACTIVE: interactive = 1; break;
+ case ARG_YES: default_yes = 1; break;
+ case 'q': quiet = 1; break;
+ case 'h': print_usage(); break;
+ case 'v': nl_cli_print_version(); break;
+ case 'd':
+ nl_cli_class_parse_dev(class, link_cache, optarg);
+ break;
+ case 'p':
+ nl_cli_class_parse_parent(class, optarg);
+ break;
+ case 'i':
+ nl_cli_class_parse_handle(class, optarg);
+ break;
+ case 'k':
+ nl_cli_class_parse_kind(class, optarg);
+ break;
+ }
+ }
+
+ if (!rtnl_class_get_ifindex(class))
+ nl_cli_fatal(EINVAL, "You must specify a network device (--dev=XXX)");
+
+ class_cache = nl_cli_class_alloc_cache(sock, rtnl_class_get_ifindex(class));
+
+ nl_cache_foreach_filter(class_cache, OBJ_CAST(class), delete_cb, NULL);
+
+ if (!quiet)
+ printf("Deleted %d classs\n", deleted);
+
+ return 0;
+}