X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fubus.git;a=blobdiff_plain;f=libubus.c;h=64190f78df2e294b7ec8389628520bc0b26d3e6e;hp=7bf67a7a2a537d9068bc3ef36748454e79395207;hb=7b262aec3843912d68e020f0750b6f96e2f7c8e3;hpb=527d2523330cb41e23a435d89352680d108c789a diff --git a/libubus.c b/libubus.c index 7bf67a7..64190f7 100644 --- a/libubus.c +++ b/libubus.c @@ -24,6 +24,7 @@ const char *__ubus_strerror[__UBUS_STATUS_LAST] = { [UBUS_STATUS_OK] = "Success", [UBUS_STATUS_INVALID_COMMAND] = "Invalid command", [UBUS_STATUS_INVALID_ARGUMENT] = "Invalid argument", + [UBUS_STATUS_METHOD_NOT_FOUND] = "Method not found", [UBUS_STATUS_NOT_FOUND] = "Not found", [UBUS_STATUS_NO_DATA] = "No response", }; @@ -34,6 +35,7 @@ static const struct blob_attr_info ubus_policy[UBUS_ATTR_MAX] = { [UBUS_ATTR_STATUS] = { .type = BLOB_ATTR_INT32 }, [UBUS_ATTR_OBJID] = { .type = BLOB_ATTR_INT32 }, [UBUS_ATTR_OBJPATH] = { .type = BLOB_ATTR_STRING }, + [UBUS_ATTR_METHOD] = { .type = BLOB_ATTR_STRING }, }; static struct blob_attr *attrbuf[UBUS_ATTR_MAX]; @@ -43,6 +45,16 @@ struct ubus_pending_data { struct blob_attr data[]; }; +static int ubus_cmp_id(const void *k1, const void *k2, void *ptr) +{ + const uint32_t *id1 = k1, *id2 = k2; + + if (*id1 < *id2) + return -1; + else + return *id1 > *id2; +} + struct blob_attr **ubus_parse_msg(struct blob_attr *msg) { blob_parse(msg, attrbuf, ubus_policy, UBUS_ATTR_MAX); @@ -97,6 +109,7 @@ int ubus_start_request(struct ubus_context *ctx, struct ubus_request *req, INIT_LIST_HEAD(&req->list); INIT_LIST_HEAD(&req->pending); + req->ctx = ctx; req->peer = peer; req->seq = ++ctx->request_seq; return ubus_send_msg(ctx, req->seq, msg, cmd, peer); @@ -178,7 +191,8 @@ static void ubus_process_req_data(struct ubus_request *req) data = list_first_entry(&req->pending, struct ubus_pending_data, list); list_del(&data->list); - req->data_cb(req, data->type, data->data); + if (!req->cancelled) + req->data_cb(req, data->type, data->data); free(data); } } @@ -253,14 +267,47 @@ static struct ubus_request *ubus_find_request(struct ubus_context *ctx, uint32_t static void ubus_process_invoke(struct ubus_context *ctx, struct ubus_msghdr *hdr) { + struct ubus_request_data req; + struct ubus_object *obj; uint32_t objid = 0; + int method; int ret = 0; ubus_parse_msg(hdr->data); - if (attrbuf[UBUS_ATTR_OBJID]) - objid = blob_get_int32(attrbuf[UBUS_ATTR_OBJID]); + if (!attrbuf[UBUS_ATTR_OBJID]) + return; + + objid = blob_get_int32(attrbuf[UBUS_ATTR_OBJID]); + + if (!attrbuf[UBUS_ATTR_METHOD]) { + ret = UBUS_STATUS_INVALID_ARGUMENT; + goto send; + } + + obj = avl_find_element(&ctx->objects, &objid, obj, avl); + if (!obj) { + ret = UBUS_STATUS_NOT_FOUND; + goto send; + } + + for (method = 0; method < obj->n_methods; method++) + if (!strcmp(obj->methods[method].name, + blob_data(attrbuf[UBUS_ATTR_METHOD]))) + goto found; + + /* not found */ + ret = UBUS_STATUS_METHOD_NOT_FOUND; + goto send; +found: + req.object = objid; + req.peer = hdr->peer; + req.seq = hdr->seq; + ret = obj->methods[method].handler(obj, &req, obj->methods[method].name, + attrbuf[UBUS_ATTR_DATA]); + +send: blob_buf_init(&b, 0); blob_put_int32(&b, UBUS_ATTR_STATUS, ret); blob_put_int32(&b, UBUS_ATTR_OBJID, objid); @@ -300,6 +347,8 @@ void ubus_abort_request(struct ubus_context *ctx, struct ubus_request *req) if (!list_empty(&req->list)) return; + req->cancelled = true; + ubus_process_req_data(req); list_del(&req->list); } @@ -318,6 +367,9 @@ static void ubus_handle_data(struct uloop_fd *u, unsigned int events) while (get_next_msg(ctx, false)) ubus_process_msg(ctx, hdr); + + if (u->eof) + ctx->connection_lost(ctx); } int ubus_complete_request(struct ubus_context *ctx, struct ubus_request *req) @@ -331,6 +383,9 @@ int ubus_complete_request(struct ubus_context *ctx, struct ubus_request *req) if (req->status_msg) return req->status_code; + if (req->cancelled) + return UBUS_STATUS_NO_DATA; + if (!get_next_msg(ctx, true)) return UBUS_STATUS_NO_DATA; @@ -388,6 +443,9 @@ static void ubus_publish_cb(struct ubus_request *req, int type, struct blob_attr if (attrbuf[UBUS_ATTR_OBJTYPE]) obj->type->id = blob_get_int32(attrbuf[UBUS_ATTR_OBJTYPE]); + + obj->avl.key = &obj->id; + avl_insert(&req->ctx->objects, &obj->avl); } static bool ubus_push_table_data(const struct ubus_signature **sig, int *rem, bool array) @@ -458,8 +516,6 @@ int ubus_publish(struct ubus_context *ctx, struct ubus_object *obj) blob_buf_init(&b, 0); blob_put_string(&b, UBUS_ATTR_OBJPATH, obj->name); - if (obj->parent) - blob_put_int32(&b, UBUS_ATTR_OBJID, obj->parent->id); if (obj->type->id) blob_put_int32(&b, UBUS_ATTR_OBJTYPE, obj->type->id); @@ -479,6 +535,12 @@ int ubus_publish(struct ubus_context *ctx, struct ubus_object *obj) return 0; } +void ubus_default_connection_lost(struct ubus_context *ctx) +{ + if (ctx->sock.registered) + uloop_end(); +} + struct ubus_context *ubus_connect(const char *path) { struct ubus_context *ctx; @@ -528,9 +590,13 @@ struct ubus_context *ubus_connect(const char *path) } ctx->local_id = hdr.hdr.peer; - INIT_LIST_HEAD(&ctx->requests); free(buf); + ctx->connection_lost = ubus_default_connection_lost; + + INIT_LIST_HEAD(&ctx->requests); + avl_init(&ctx->objects, ubus_cmp_id, false, NULL); + if (!ctx->local_id) { DPRINTF("Failed to get local peer id\n"); goto error_close;