X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=proto.c;h=ea6e138e71e82dbbfd71e01e45c2d9f40f32a7e9;hp=b16600ce749ab06ed2bbce301faddc99049d4d5a;hb=8ac814e3d02fd3c8be2798814c085dc2c65c5c49;hpb=56b7cadaeb51a60afa5666e190906d332840d5a1 diff --git a/proto.c b/proto.c index b16600c..ea6e138 100644 --- a/proto.c +++ b/proto.c @@ -6,6 +6,20 @@ #include "interface.h" #include "proto.h" +static struct avl_tree handlers; + +void add_proto_handler(struct proto_handler *p) +{ + if (!handlers.comp) + avl_init(&handlers, avl_strcmp, false, NULL); + + if (p->avl.key) + return; + + p->avl.key = p->name; + avl_insert(&handlers, &p->avl); +} + static void default_proto_free(struct interface_proto_state *proto) { @@ -13,24 +27,71 @@ default_proto_free(struct interface_proto_state *proto) } static int -default_proto_handler(struct interface_proto_state *proto, +invalid_proto_handler(struct interface_proto_state *proto, + enum interface_proto_cmd cmd, bool force) +{ + return -1; +} + +static int +no_proto_handler(struct interface_proto_state *proto, enum interface_proto_cmd cmd, bool force) { return 0; } -struct interface_proto_state *get_default_proto(void) +static struct interface_proto_state *get_default_proto(void) { struct interface_proto_state *proto; proto = calloc(1, sizeof(*proto)); - proto->handler = default_proto_handler; proto->free = default_proto_free; proto->flags = PROTO_FLAG_IMMEDIATE; return proto; } +void proto_attach_interface(struct interface *iface, struct uci_section *s) +{ + struct interface_proto_state *state = NULL; + struct proto_handler *proto = NULL; + const char *proto_name; + const char *error = NULL; + + proto_name = uci_lookup_option_string(uci_ctx, s, "proto"); + if (!proto_name) { + error = "NO_PROTO"; + goto error; + } + + if (!strcmp(proto_name, "none")) { + state = get_default_proto(); + state->handler = no_proto_handler; + goto out; + } + + if (handlers.comp) + proto = avl_find_element(&handlers, proto_name, proto, avl); + + if (!proto) { + error = "INVALID_PROTO"; + goto error; + } + + state = proto->attach(proto, iface); + +error: + if (error) { + interface_add_error(iface, "proto", error, NULL, 0); + state = get_default_proto(); + state->handler = invalid_proto_handler; + } + +out: + interface_set_proto_state(iface, state); +} + + int interface_proto_event(struct interface_proto_state *proto, enum interface_proto_cmd cmd, bool force) {