X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fubus.git;a=blobdiff_plain;f=ubusd_proto.c;h=ff2725be1e9d3e3cfcfd008214ae249199ea0bac;hp=1b3216fba67163c1422350c83b8cd39f9239160d;hb=27a16f8b1d62d22c9aff5307201988fe5445fcd6;hpb=480a3d66a74858d486fbe6ee2cfa5c1a4ad575c0 diff --git a/ubusd_proto.c b/ubusd_proto.c index 1b3216f..ff2725b 100644 --- a/ubusd_proto.c +++ b/ubusd_proto.c @@ -1,9 +1,10 @@ #include #include "ubusd.h" -static struct blob_buf b; +struct blob_buf b; static struct ubus_msg_buf *retmsg; static int *retmsg_data; +static struct avl_tree clients; static struct blob_attr *attrbuf[UBUS_ATTR_MAX]; @@ -17,7 +18,7 @@ static const struct blob_attr_info ubus_policy[UBUS_ATTR_MAX] = { [UBUS_ATTR_STATUS] = { .type = BLOB_ATTR_INT32 }, }; -struct blob_attr **ubus_parse_msg(struct blob_attr *msg) +static struct blob_attr **ubus_parse_msg(struct blob_attr *msg) { blob_parse(msg, attrbuf, ubus_policy, UBUS_ATTR_MAX); return attrbuf; @@ -40,7 +41,7 @@ static struct ubus_msg_buf *ubus_reply_from_blob(struct ubus_msg_buf *ub, bool s { struct ubus_msg_buf *new; - new = ubus_msg_new(b.head, blob_raw_len(b.head), shared); + new = ubus_msg_from_blob(shared); if (!new) return NULL; @@ -48,7 +49,7 @@ static struct ubus_msg_buf *ubus_reply_from_blob(struct ubus_msg_buf *ub, bool s return new; } -bool ubusd_send_hello(struct ubus_client *cl) +static bool ubusd_send_hello(struct ubus_client *cl) { struct ubus_msg_buf *ub; @@ -58,18 +59,49 @@ bool ubusd_send_hello(struct ubus_client *cl) return false; ubus_msg_init(ub, UBUS_MSG_HELLO, 0, cl->id.id); - ubus_msg_send(cl, ub); + ubus_msg_send(cl, ub, true); return true; } static int ubusd_send_pong(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr) { ub->hdr.type = UBUS_MSG_DATA; - ubus_msg_send(cl, ubus_msg_ref(ub)); + ubus_msg_send(cl, ub, false); return 0; } -static int ubusd_handle_publish(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr) +static int ubusd_handle_remove_object(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr) +{ + struct ubus_object *obj; + + if (!attr[UBUS_ATTR_OBJID]) + return UBUS_STATUS_INVALID_ARGUMENT; + + obj = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_OBJID])); + if (!obj) + return UBUS_STATUS_NOT_FOUND; + + if (obj->client != cl) + return UBUS_STATUS_PERMISSION_DENIED; + + blob_buf_init(&b, 0); + blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id.id); + + /* check if we're removing the object type as well */ + if (obj->type && obj->type->refcount == 1) + blob_put_int32(&b, UBUS_ATTR_OBJTYPE, obj->type->id.id); + + ubusd_free_object(obj); + + ub = ubus_reply_from_blob(ub, true); + if (!ub) + return UBUS_STATUS_NO_DATA; + + ubus_msg_send(cl, ub, true); + return 0; +} + +static int ubusd_handle_add_object(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr) { struct ubus_object *obj; @@ -86,7 +118,7 @@ static int ubusd_handle_publish(struct ubus_client *cl, struct ubus_msg_buf *ub, if (!ub) return UBUS_STATUS_NO_DATA; - ubus_msg_send(cl, ub); + ubus_msg_send(cl, ub, true); return 0; } @@ -111,7 +143,7 @@ static void ubusd_send_obj(struct ubus_client *cl, struct ubus_msg_buf *ub, stru if (!ub) return; - ubus_msg_send(cl, ub); + ubus_msg_send(cl, ub, true); } static int ubusd_handle_lookup(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr) @@ -169,13 +201,17 @@ static int ubusd_handle_invoke(struct ubus_client *cl, struct ubus_msg_buf *ub, if (!attr[UBUS_ATTR_METHOD] || !attr[UBUS_ATTR_OBJID]) return UBUS_STATUS_INVALID_ARGUMENT; - id = ubus_find_id(&objects, blob_get_int32(attr[UBUS_ATTR_OBJID])); + id = ubus_find_id(&objects, blob_get_u32(attr[UBUS_ATTR_OBJID])); if (!id) return UBUS_STATUS_NOT_FOUND; obj = container_of(id, struct ubus_object, id); method = blob_data(attr[UBUS_ATTR_METHOD]); + + if (!obj->client) + return obj->recv_msg(cl, method, attr[UBUS_ATTR_DATA]); + blob_buf_init(&b, 0); blob_put_int32(&b, UBUS_ATTR_OBJID, obj->id.id); blob_put_string(&b, UBUS_ATTR_METHOD, method); @@ -191,26 +227,35 @@ static int ubusd_handle_invoke(struct ubus_client *cl, struct ubus_msg_buf *ub, ub->hdr.type = UBUS_MSG_INVOKE; ub->hdr.peer = cl->id.id; - ubus_msg_send(obj->client, ub); + ubus_msg_send(obj->client, ub, true); return -1; } +static struct ubus_client *ubusd_get_client_by_id(uint32_t id) +{ + struct ubus_id *clid; + + clid = ubus_find_id(&clients, id); + if (!clid) + return NULL; + + return container_of(clid, struct ubus_client, id); +} + static int ubusd_handle_response(struct ubus_client *cl, struct ubus_msg_buf *ub, struct blob_attr **attr) { struct ubus_object *obj; - struct ubus_id *id; if (!attr[UBUS_ATTR_OBJID] || (ub->hdr.type == UBUS_MSG_STATUS && !attr[UBUS_ATTR_STATUS]) || (ub->hdr.type == UBUS_MSG_DATA && !attr[UBUS_ATTR_DATA])) goto error; - id = ubus_find_id(&objects, blob_get_int32(attr[UBUS_ATTR_OBJID])); - if (!id) + obj = ubusd_find_object(blob_get_u32(attr[UBUS_ATTR_OBJID])); + if (!obj) goto error; - obj = container_of(id, struct ubus_object, id); if (cl != obj->client) goto error; @@ -218,8 +263,8 @@ static int ubusd_handle_response(struct ubus_client *cl, struct ubus_msg_buf *ub if (!cl) goto error; - ub->hdr.peer = blob_get_int32(attr[UBUS_ATTR_OBJID]); - ubus_msg_send(cl, ub); + ub->hdr.peer = blob_get_u32(attr[UBUS_ATTR_OBJID]); + ubus_msg_send(cl, ub, true); return -1; error: @@ -229,14 +274,15 @@ error: static const ubus_cmd_cb handlers[__UBUS_MSG_LAST] = { [UBUS_MSG_PING] = ubusd_send_pong, - [UBUS_MSG_PUBLISH] = ubusd_handle_publish, + [UBUS_MSG_ADD_OBJECT] = ubusd_handle_add_object, + [UBUS_MSG_REMOVE_OBJECT] = ubusd_handle_remove_object, [UBUS_MSG_LOOKUP] = ubusd_handle_lookup, [UBUS_MSG_INVOKE] = ubusd_handle_invoke, [UBUS_MSG_STATUS] = ubusd_handle_response, [UBUS_MSG_DATA] = ubusd_handle_response, }; -void ubusd_receive_message(struct ubus_client *cl, struct ubus_msg_buf *ub) +void ubusd_proto_receive_message(struct ubus_client *cl, struct ubus_msg_buf *ub) { ubus_cmd_cb cb = NULL; int ret; @@ -258,11 +304,52 @@ void ubusd_receive_message(struct ubus_client *cl, struct ubus_msg_buf *ub) ubus_msg_free(ub); *retmsg_data = htonl(ret); - ubus_msg_send(cl, ubus_msg_ref(retmsg)); + ubus_msg_send(cl, retmsg, false); +} + +struct ubus_client *ubusd_proto_new_client(int fd, uloop_fd_handler cb) +{ + struct ubus_client *cl; + + cl = calloc(1, sizeof(*cl)); + if (!cl) + return NULL; + + INIT_LIST_HEAD(&cl->objects); + cl->sock.fd = fd; + cl->sock.cb = cb; + + if (!ubus_alloc_id(&clients, &cl->id, 0)) + goto free; + + if (!ubusd_send_hello(cl)) + goto delete; + + return cl; + +delete: + ubus_free_id(&clients, &cl->id); +free: + free(cl); + return NULL; +} + +void ubusd_proto_free_client(struct ubus_client *cl) +{ + struct ubus_object *obj; + + while (!list_empty(&cl->objects)) { + obj = list_first_entry(&cl->objects, struct ubus_object, list); + ubusd_free_object(obj); + } + + ubus_free_id(&clients, &cl->id); } static void __init ubusd_proto_init(void) { + ubus_init_id_tree(&clients); + blob_buf_init(&b, 0); blob_put_int32(&b, UBUS_ATTR_STATUS, 0);