diff --git a/vendor.conf b/vendor.conf index 557701e9..563fd6ac 100644 --- a/vendor.conf +++ b/vendor.conf @@ -71,7 +71,7 @@ github.com/Microsoft/hcsshim 43f9725307998e09f2e3816c2c0c36dc98f0c982 github.com/emicklei/go-restful ff4f55a206334ef123e4f79bbf348980da81ca46 github.com/emicklei/go-restful-swagger12 1.0.1 github.com/pkg/errors v0.8.0 -github.com/godbus/dbus v4.0.0 +github.com/godbus/dbus a389bdde4dd695d414e47b755e95e72b7826432c github.com/urfave/cli v1.20.0 github.com/vbatts/tar-split v0.10.1 github.com/renstrom/dedent v1.0.0 diff --git a/vendor/github.com/docker/docker/hack/README.md b/vendor/github.com/docker/docker/hack/README.md deleted file mode 100644 index 802395d5..00000000 --- a/vendor/github.com/docker/docker/hack/README.md +++ /dev/null @@ -1,60 +0,0 @@ -## About - -This directory contains a collection of scripts used to build and manage this -repository. If there are any issues regarding the intention of a particular -script (or even part of a certain script), please reach out to us. -It may help us either refine our current scripts, or add on new ones -that are appropriate for a given use case. - -## DinD (dind.sh) - -DinD is a wrapper script which allows Docker to be run inside a Docker -container. DinD requires the container to -be run with privileged mode enabled. - -## Generate Authors (generate-authors.sh) - -Generates AUTHORS; a file with all the names and corresponding emails of -individual contributors. AUTHORS can be found in the home directory of -this repository. - -## Make - -There are two make files, each with different extensions. Neither are supposed -to be called directly; only invoke `make`. Both scripts run inside a Docker -container. - -### make.ps1 - -- The Windows native build script that uses PowerShell semantics; it is limited -unlike `hack\make.sh` since it does not provide support for the full set of -operations provided by the Linux counterpart, `make.sh`. However, `make.ps1` -does provide support for local Windows development and Windows to Windows CI. -More information is found within `make.ps1` by the author, @jhowardmsft - -### make.sh - -- Referenced via `make test` when running tests on a local machine, -or directly referenced when running tests inside a Docker development container. -- When running on a local machine, `make test` to run all tests found in -`test`, `test-unit`, `test-integration-cli`, and `test-docker-py` on -your local machine. The default timeout is set in `make.sh` to 60 minutes -(`${TIMEOUT:=60m}`), since it currently takes up to an hour to run -all of the tests. -- When running inside a Docker development container, `hack/make.sh` does -not have a single target that runs all the tests. You need to provide a -single command line with multiple targets that performs the same thing. -An example referenced from [Run targets inside a development container](https://docs.docker.com/opensource/project/test-and-docs/#run-targets-inside-a-development-container): `root@5f8630b873fe:/go/src/github.com/moby/moby# hack/make.sh dynbinary binary cross test-unit test-integration-cli test-docker-py` -- For more information related to testing outside the scope of this README, -refer to -[Run tests and test documentation](https://docs.docker.com/opensource/project/test-and-docs/) - -## Release (release.sh) - -Releases any bundles built by `make` on a public AWS S3 bucket. -For information regarding configuration, please view `release.sh`. - -## Vendor (vendor.sh) - -A shell script that is a wrapper around Vndr. For information on how to use -this, please refer to [vndr's README](https://github.com/LK4D4/vndr/blob/master/README.md) diff --git a/vendor/github.com/docker/docker/hack/integration-cli-on-swarm/README.md b/vendor/github.com/docker/docker/hack/integration-cli-on-swarm/README.md deleted file mode 100644 index 1cea5252..00000000 --- a/vendor/github.com/docker/docker/hack/integration-cli-on-swarm/README.md +++ /dev/null @@ -1,69 +0,0 @@ -# Integration Testing on Swarm - -IT on Swarm allows you to execute integration test in parallel across a Docker Swarm cluster - -## Architecture - -### Master service - - - Works as a funker caller - - Calls a worker funker (`-worker-service`) with a chunk of `-check.f` filter strings (passed as a file via `-input` flag, typically `/mnt/input`) - -### Worker service - - - Works as a funker callee - - Executes an equivalent of `TESTFLAGS=-check.f TestFoo|TestBar|TestBaz ... make test-integration-cli` using the bind-mounted API socket (`docker.sock`) - -### Client - - - Controls master and workers via `docker stack` - - No need to have a local daemon - -Typically, the master and workers are supposed to be running on a cloud environment, -while the client is supposed to be running on a laptop, e.g. Docker for Mac/Windows. - -## Requirement - - - Docker daemon 1.13 or later - - Private registry for distributed execution with multiple nodes - -## Usage - -### Step 1: Prepare images - - $ make build-integration-cli-on-swarm - -Following environment variables are known to work in this step: - - - `BUILDFLAGS` - - `DOCKER_INCREMENTAL_BINARY` - -Note: during the transition into Moby Project, you might need to create a symbolic link `$GOPATH/src/github.com/docker/docker` to `$GOPATH/src/github.com/moby/moby`. - -### Step 2: Execute tests - - $ ./hack/integration-cli-on-swarm/integration-cli-on-swarm -replicas 40 -push-worker-image YOUR_REGISTRY.EXAMPLE.COM/integration-cli-worker:latest - -Following environment variables are known to work in this step: - - - `DOCKER_GRAPHDRIVER` - - `DOCKER_EXPERIMENTAL` - -#### Flags - -Basic flags: - - - `-replicas N`: the number of worker service replicas. i.e. degree of parallelism. - - `-chunks N`: the number of chunks. By default, `chunks` == `replicas`. - - `-push-worker-image REGISTRY/IMAGE:TAG`: push the worker image to the registry. Note that if you have only single node and hence you do not need a private registry, you do not need to specify `-push-worker-image`. - -Experimental flags for mitigating makespan nonuniformity: - - - `-shuffle`: Shuffle the test filter strings - -Flags for debugging IT on Swarm itself: - - - `-rand-seed N`: the random seed. This flag is useful for deterministic replaying. By default(0), the timestamp is used. - - `-filters-file FILE`: the file contains `-check.f` strings. By default, the file is automatically generated. - - `-dry-run`: skip the actual workload - - `keep-executor`: do not auto-remove executor containers, which is used for running privileged programs on Swarm diff --git a/vendor/github.com/docker/docker/hack/integration-cli-on-swarm/agent/vendor.conf b/vendor/github.com/docker/docker/hack/integration-cli-on-swarm/agent/vendor.conf deleted file mode 100644 index efd6d6d0..00000000 --- a/vendor/github.com/docker/docker/hack/integration-cli-on-swarm/agent/vendor.conf +++ /dev/null @@ -1,2 +0,0 @@ -# dependencies specific to worker (i.e. github.com/docker/docker/...) are not vendored here -github.com/bfirsh/funker-go eaa0a2e06f30e72c9a0b7f858951e581e26ef773 diff --git a/vendor/github.com/godbus/dbus/README.markdown b/vendor/github.com/godbus/dbus/README.markdown index 0a6e7e5b..d37f4e2e 100644 --- a/vendor/github.com/godbus/dbus/README.markdown +++ b/vendor/github.com/godbus/dbus/README.markdown @@ -1,3 +1,5 @@ +[![Build Status](https://travis-ci.org/godbus/dbus.svg?branch=master)](https://travis-ci.org/godbus/dbus) + dbus ---- @@ -29,6 +31,7 @@ gives a short overview over the basic usage. #### Projects using godbus - [notify](https://github.com/esiqveland/notify) provides desktop notifications over dbus into a library. +- [go-bluetooth](https://github.com/muka/go-bluetooth) provides a bluetooth client over bluez dbus API. Please note that the API is considered unstable for now and may change without further notice. diff --git a/vendor/github.com/godbus/dbus/conn.go b/vendor/github.com/godbus/dbus/conn.go index 9aa2e128..5720e2eb 100644 --- a/vendor/github.com/godbus/dbus/conn.go +++ b/vendor/github.com/godbus/dbus/conn.go @@ -9,8 +9,6 @@ import ( "sync" ) -const defaultSystemBusAddress = "unix:path=/var/run/dbus/system_bus_socket" - var ( systemBus *Conn systemBusLck sync.Mutex @@ -47,15 +45,13 @@ type Conn struct { calls map[uint32]*Call callsLck sync.RWMutex - handlers map[ObjectPath]map[string]exportedObj - handlersLck sync.RWMutex + handler Handler out chan *Message closed bool outLck sync.RWMutex - signals []chan<- *Signal - signalsLck sync.Mutex + signalHandler SignalHandler eavesdropped chan<- *Message eavesdroppedLck sync.Mutex @@ -90,16 +86,33 @@ func SessionBus() (conn *Conn, err error) { return } -// SessionBusPrivate returns a new private connection to the session bus. -func SessionBusPrivate() (*Conn, error) { +func getSessionBusAddress() (string, error) { sessionEnvLck.Lock() defer sessionEnvLck.Unlock() address := os.Getenv("DBUS_SESSION_BUS_ADDRESS") if address != "" && address != "autolaunch:" { - return Dial(address) + return address, nil + } + return getSessionBusPlatformAddress() +} + +// SessionBusPrivate returns a new private connection to the session bus. +func SessionBusPrivate() (*Conn, error) { + address, err := getSessionBusAddress() + if err != nil { + return nil, err } - return sessionBusPlatform() + return Dial(address) +} + +// SessionBusPrivate returns a new private connection to the session bus. +func SessionBusPrivateHandler(handler Handler, signalHandler SignalHandler) (*Conn, error) { + address, err := getSessionBusAddress() + if err != nil { + return nil, err + } + return DialHandler(address, handler, signalHandler) } // SystemBus returns a shared connection to the system bus, connecting to it if @@ -133,11 +146,12 @@ func SystemBus() (conn *Conn, err error) { // SystemBusPrivate returns a new private connection to the system bus. func SystemBusPrivate() (*Conn, error) { - address := os.Getenv("DBUS_SYSTEM_BUS_ADDRESS") - if address != "" { - return Dial(address) - } - return Dial(defaultSystemBusAddress) + return Dial(getSystemBusPlatformAddress()) +} + +// SystemBusPrivateHandler returns a new private connection to the system bus, using the provided handlers. +func SystemBusPrivateHandler(handler Handler, signalHandler SignalHandler) (*Conn, error) { + return DialHandler(getSystemBusPlatformAddress(), handler, signalHandler) } // Dial establishes a new private connection to the message bus specified by address. @@ -146,21 +160,36 @@ func Dial(address string) (*Conn, error) { if err != nil { return nil, err } - return newConn(tr) + return newConn(tr, NewDefaultHandler(), NewDefaultSignalHandler()) +} + +// DialHandler establishes a new private connection to the message bus specified by address, using the supplied handlers. +func DialHandler(address string, handler Handler, signalHandler SignalHandler) (*Conn, error) { + tr, err := getTransport(address) + if err != nil { + return nil, err + } + return newConn(tr, handler, signalHandler) } // NewConn creates a new private *Conn from an already established connection. func NewConn(conn io.ReadWriteCloser) (*Conn, error) { - return newConn(genericTransport{conn}) + return NewConnHandler(conn, NewDefaultHandler(), NewDefaultSignalHandler()) +} + +// NewConnHandler creates a new private *Conn from an already established connection, using the supplied handlers. +func NewConnHandler(conn io.ReadWriteCloser, handler Handler, signalHandler SignalHandler) (*Conn, error) { + return newConn(genericTransport{conn}, handler, signalHandler) } // newConn creates a new *Conn from a transport. -func newConn(tr transport) (*Conn, error) { +func newConn(tr transport, handler Handler, signalHandler SignalHandler) (*Conn, error) { conn := new(Conn) conn.transport = tr conn.calls = make(map[uint32]*Call) conn.out = make(chan *Message, 10) - conn.handlers = make(map[ObjectPath]map[string]exportedObj) + conn.handler = handler + conn.signalHandler = signalHandler conn.nextSerial = 1 conn.serialUsed = map[uint32]bool{0: true} conn.busObj = conn.Object("org.freedesktop.DBus", "/org/freedesktop/DBus") @@ -188,16 +217,21 @@ func (conn *Conn) Close() error { close(conn.out) conn.closed = true conn.outLck.Unlock() - conn.signalsLck.Lock() - for _, ch := range conn.signals { - close(ch) + + if term, ok := conn.signalHandler.(Terminator); ok { + term.Terminate() } - conn.signalsLck.Unlock() + + if term, ok := conn.handler.(Terminator); ok { + term.Terminate() + } + conn.eavesdroppedLck.Lock() if conn.eavesdropped != nil { close(conn.eavesdropped) } conn.eavesdroppedLck.Unlock() + return conn.transport.Close() } @@ -334,17 +368,7 @@ func (conn *Conn) inWorker() { conn.namesLck.Unlock() } } - signal := &Signal{ - Sender: sender, - Path: msg.Headers[FieldPath].value.(ObjectPath), - Name: iface + "." + member, - Body: msg.Body, - } - conn.signalsLck.Lock() - for _, ch := range conn.signals { - ch <- signal - } - conn.signalsLck.Unlock() + conn.handleSignal(msg) case TypeMethodCall: go conn.handleCall(msg) } @@ -365,6 +389,21 @@ func (conn *Conn) inWorker() { } } +func (conn *Conn) handleSignal(msg *Message) { + iface := msg.Headers[FieldInterface].value.(string) + member := msg.Headers[FieldMember].value.(string) + // as per http://dbus.freedesktop.org/doc/dbus-specification.html , + // sender is optional for signals. + sender, _ := msg.Headers[FieldSender].value.(string) + signal := &Signal{ + Sender: sender, + Path: msg.Headers[FieldPath].value.(ObjectPath), + Name: iface + "." + member, + Body: msg.Body, + } + conn.signalHandler.DeliverSignal(iface, member, signal) +} + // Names returns the list of all names that are currently owned by this // connection. The slice is always at least one element long, the first element // being the unique name of the connection. @@ -455,7 +494,19 @@ func (conn *Conn) Send(msg *Message, ch chan *Call) *Call { // sendError creates an error message corresponding to the parameters and sends // it to conn.out. -func (conn *Conn) sendError(e Error, dest string, serial uint32) { +func (conn *Conn) sendError(err error, dest string, serial uint32) { + var e *Error + switch em := err.(type) { + case Error: + e = &em + case *Error: + e = em + case DBusError: + name, body := em.DBusError() + e = NewError(name, body) + default: + e = MakeFailedError(err) + } msg := new(Message) msg.Type = TypeError msg.serial = conn.getSerial() @@ -498,6 +549,14 @@ func (conn *Conn) sendReply(dest string, serial uint32, values ...interface{}) { conn.outLck.RUnlock() } +func (conn *Conn) defaultSignalAction(fn func(h *defaultSignalHandler, ch chan<- *Signal), ch chan<- *Signal) { + if !isDefaultSignalHandler(conn.signalHandler) { + return + } + handler := conn.signalHandler.(*defaultSignalHandler) + fn(handler, ch) +} + // Signal registers the given channel to be passed all received signal messages. // The caller has to make sure that ch is sufficiently buffered; if a message // arrives when a write to c is not possible, it is discarded. @@ -508,22 +567,12 @@ func (conn *Conn) sendReply(dest string, serial uint32, values ...interface{}) { // channel for eavesdropped messages, this channel receives all signals, and // none of the channels passed to Signal will receive any signals. func (conn *Conn) Signal(ch chan<- *Signal) { - conn.signalsLck.Lock() - conn.signals = append(conn.signals, ch) - conn.signalsLck.Unlock() + conn.defaultSignalAction((*defaultSignalHandler).addSignal, ch) } // RemoveSignal removes the given channel from the list of the registered channels. func (conn *Conn) RemoveSignal(ch chan<- *Signal) { - conn.signalsLck.Lock() - for i := len(conn.signals) - 1; i >= 0; i-- { - if ch == conn.signals[i] { - copy(conn.signals[i:], conn.signals[i+1:]) - conn.signals[len(conn.signals)-1] = nil - conn.signals = conn.signals[:len(conn.signals)-1] - } - } - conn.signalsLck.Unlock() + conn.defaultSignalAction((*defaultSignalHandler).removeSignal, ch) } // SupportsUnixFDs returns whether the underlying transport supports passing of diff --git a/vendor/github.com/godbus/dbus/conn_darwin.go b/vendor/github.com/godbus/dbus/conn_darwin.go index b67bb1b8..c015f80c 100644 --- a/vendor/github.com/godbus/dbus/conn_darwin.go +++ b/vendor/github.com/godbus/dbus/conn_darwin.go @@ -2,20 +2,32 @@ package dbus import ( "errors" + "fmt" + "os" "os/exec" ) -func sessionBusPlatform() (*Conn, error) { +const defaultSystemBusAddress = "unix:path=/opt/local/var/run/dbus/system_bus_socket" + +func getSessionBusPlatformAddress() (string, error) { cmd := exec.Command("launchctl", "getenv", "DBUS_LAUNCHD_SESSION_BUS_SOCKET") b, err := cmd.CombinedOutput() if err != nil { - return nil, err + return "", err } if len(b) == 0 { - return nil, errors.New("dbus: couldn't determine address of session bus") + return "", errors.New("dbus: couldn't determine address of session bus") } - return Dial("unix:path=" + string(b[:len(b)-1])) + return "unix:path=" + string(b[:len(b)-1]), nil +} + +func getSystemBusPlatformAddress() string { + address := os.Getenv("DBUS_LAUNCHD_SESSION_BUS_SOCKET") + if address != "" { + return fmt.Sprintf("unix:path=%s", address) + } + return defaultSystemBusAddress } diff --git a/vendor/github.com/godbus/dbus/conn_other.go b/vendor/github.com/godbus/dbus/conn_other.go index 289e8c5d..254c9f2e 100644 --- a/vendor/github.com/godbus/dbus/conn_other.go +++ b/vendor/github.com/godbus/dbus/conn_other.go @@ -5,27 +5,38 @@ package dbus import ( "bytes" "errors" + "fmt" "os" "os/exec" ) -func sessionBusPlatform() (*Conn, error) { +const defaultSystemBusAddress = "unix:path=/var/run/dbus/system_bus_socket" + +func getSessionBusPlatformAddress() (string, error) { cmd := exec.Command("dbus-launch") b, err := cmd.CombinedOutput() if err != nil { - return nil, err + return "", err } i := bytes.IndexByte(b, '=') j := bytes.IndexByte(b, '\n') if i == -1 || j == -1 { - return nil, errors.New("dbus: couldn't determine address of session bus") + return "", errors.New("dbus: couldn't determine address of session bus") } env, addr := string(b[0:i]), string(b[i+1:j]) os.Setenv(env, addr) - return Dial(addr) + return addr, nil +} + +func getSystemBusPlatformAddress() string { + address := os.Getenv("DBUS_SYSTEM_BUS_ADDRESS") + if address != "" { + return fmt.Sprintf("unix:path=%s", address) + } + return defaultSystemBusAddress } diff --git a/vendor/github.com/godbus/dbus/dbus.go b/vendor/github.com/godbus/dbus/dbus.go index 2ce68735..c6d0d3ce 100644 --- a/vendor/github.com/godbus/dbus/dbus.go +++ b/vendor/github.com/godbus/dbus/dbus.go @@ -2,6 +2,7 @@ package dbus import ( "errors" + "fmt" "reflect" "strings" ) @@ -12,6 +13,8 @@ var ( uint8Type = reflect.TypeOf(uint8(0)) int16Type = reflect.TypeOf(int16(0)) uint16Type = reflect.TypeOf(uint16(0)) + intType = reflect.TypeOf(int(0)) + uintType = reflect.TypeOf(uint(0)) int32Type = reflect.TypeOf(int32(0)) uint32Type = reflect.TypeOf(uint32(0)) int64Type = reflect.TypeOf(int64(0)) @@ -22,6 +25,7 @@ var ( objectPathType = reflect.TypeOf(ObjectPath("")) variantType = reflect.TypeOf(Variant{Signature{""}, nil}) interfacesType = reflect.TypeOf([]interface{}{}) + interfaceType = reflect.TypeOf((*interface{})(nil)).Elem() unixFDType = reflect.TypeOf(UnixFD(0)) unixFDIndexType = reflect.TypeOf(UnixFDIndex(0)) ) @@ -46,86 +50,251 @@ func Store(src []interface{}, dest ...interface{}) error { } for i := range src { - if err := store(src[i], dest[i]); err != nil { + if err := storeInterfaces(src[i], dest[i]); err != nil { return err } } return nil } -func store(src, dest interface{}) error { - if reflect.TypeOf(dest).Elem() == reflect.TypeOf(src) { - reflect.ValueOf(dest).Elem().Set(reflect.ValueOf(src)) - return nil - } else if hasStruct(dest) { - rv := reflect.ValueOf(dest).Elem() - switch rv.Kind() { - case reflect.Struct: - vs, ok := src.([]interface{}) - if !ok { - return errors.New("dbus.Store: type mismatch") - } - t := rv.Type() - ndest := make([]interface{}, 0, rv.NumField()) - for i := 0; i < rv.NumField(); i++ { - field := t.Field(i) - if field.PkgPath == "" && field.Tag.Get("dbus") != "-" { - ndest = append(ndest, rv.Field(i).Addr().Interface()) - } - } - if len(vs) != len(ndest) { - return errors.New("dbus.Store: type mismatch") - } - err := Store(vs, ndest...) - if err != nil { - return errors.New("dbus.Store: type mismatch") - } - case reflect.Slice: - sv := reflect.ValueOf(src) - if sv.Kind() != reflect.Slice { - return errors.New("dbus.Store: type mismatch") - } - rv.Set(reflect.MakeSlice(rv.Type(), sv.Len(), sv.Len())) - for i := 0; i < sv.Len(); i++ { - if err := store(sv.Index(i).Interface(), rv.Index(i).Addr().Interface()); err != nil { - return err - } - } - case reflect.Map: - sv := reflect.ValueOf(src) - if sv.Kind() != reflect.Map { - return errors.New("dbus.Store: type mismatch") - } - keys := sv.MapKeys() - rv.Set(reflect.MakeMap(sv.Type())) - for _, key := range keys { - v := reflect.New(sv.Type().Elem()) - if err := store(v, sv.MapIndex(key).Interface()); err != nil { - return err - } - rv.SetMapIndex(key, v.Elem()) - } - default: - return errors.New("dbus.Store: type mismatch") - } - return nil - } else { - return errors.New("dbus.Store: type mismatch") +func storeInterfaces(src, dest interface{}) error { + return store(reflect.ValueOf(dest), reflect.ValueOf(src)) +} + +func store(dest, src reflect.Value) error { + if dest.Kind() == reflect.Ptr { + return store(dest.Elem(), src) + } + switch src.Kind() { + case reflect.Slice: + return storeSlice(dest, src) + case reflect.Map: + return storeMap(dest, src) + default: + return storeBase(dest, src) } } -func hasStruct(v interface{}) bool { - t := reflect.TypeOf(v) - for { - switch t.Kind() { - case reflect.Struct: - return true - case reflect.Slice, reflect.Ptr, reflect.Map: - t = t.Elem() - default: - return false +func storeBase(dest, src reflect.Value) error { + return setDest(dest, src) +} + +func setDest(dest, src reflect.Value) error { + if !isVariant(src.Type()) && isVariant(dest.Type()) { + //special conversion for dbus.Variant + dest.Set(reflect.ValueOf(MakeVariant(src.Interface()))) + return nil + } + if isVariant(src.Type()) && !isVariant(dest.Type()) { + src = getVariantValue(src) + } + if !src.Type().ConvertibleTo(dest.Type()) { + return fmt.Errorf( + "dbus.Store: type mismatch: cannot convert %s to %s", + src.Type(), dest.Type()) + } + dest.Set(src.Convert(dest.Type())) + return nil +} + +func kindsAreCompatible(dest, src reflect.Type) bool { + switch { + case isVariant(dest): + return true + case dest.Kind() == reflect.Interface: + return true + default: + return dest.Kind() == src.Kind() + } +} + +func isConvertibleTo(dest, src reflect.Type) bool { + switch { + case isVariant(dest): + return true + case dest.Kind() == reflect.Interface: + return true + case dest.Kind() == reflect.Slice: + return src.Kind() == reflect.Slice && + isConvertibleTo(dest.Elem(), src.Elem()) + case dest.Kind() == reflect.Struct: + return src == interfacesType + default: + return src.ConvertibleTo(dest) + } +} + +func storeMap(dest, src reflect.Value) error { + switch { + case !kindsAreCompatible(dest.Type(), src.Type()): + return fmt.Errorf( + "dbus.Store: type mismatch: "+ + "map: cannot store a value of %s into %s", + src.Type(), dest.Type()) + case isVariant(dest.Type()): + return storeMapIntoVariant(dest, src) + case dest.Kind() == reflect.Interface: + return storeMapIntoInterface(dest, src) + case isConvertibleTo(dest.Type().Key(), src.Type().Key()) && + isConvertibleTo(dest.Type().Elem(), src.Type().Elem()): + return storeMapIntoMap(dest, src) + default: + return fmt.Errorf( + "dbus.Store: type mismatch: "+ + "map: cannot convert a value of %s into %s", + src.Type(), dest.Type()) + } +} + +func storeMapIntoVariant(dest, src reflect.Value) error { + dv := reflect.MakeMap(src.Type()) + err := store(dv, src) + if err != nil { + return err + } + return storeBase(dest, dv) +} + +func storeMapIntoInterface(dest, src reflect.Value) error { + var dv reflect.Value + if isVariant(src.Type().Elem()) { + //Convert variants to interface{} recursively when converting + //to interface{} + dv = reflect.MakeMap( + reflect.MapOf(src.Type().Key(), interfaceType)) + } else { + dv = reflect.MakeMap(src.Type()) + } + err := store(dv, src) + if err != nil { + return err + } + return storeBase(dest, dv) +} + +func storeMapIntoMap(dest, src reflect.Value) error { + if dest.IsNil() { + dest.Set(reflect.MakeMap(dest.Type())) + } + keys := src.MapKeys() + for _, key := range keys { + dkey := key.Convert(dest.Type().Key()) + dval := reflect.New(dest.Type().Elem()).Elem() + err := store(dval, getVariantValue(src.MapIndex(key))) + if err != nil { + return err + } + dest.SetMapIndex(dkey, dval) + } + return nil +} + +func storeSlice(dest, src reflect.Value) error { + switch { + case src.Type() == interfacesType && dest.Kind() == reflect.Struct: + //The decoder always decodes structs as slices of interface{} + return storeStruct(dest, src) + case !kindsAreCompatible(dest.Type(), src.Type()): + return fmt.Errorf( + "dbus.Store: type mismatch: "+ + "slice: cannot store a value of %s into %s", + src.Type(), dest.Type()) + case isVariant(dest.Type()): + return storeSliceIntoVariant(dest, src) + case dest.Kind() == reflect.Interface: + return storeSliceIntoInterface(dest, src) + case isConvertibleTo(dest.Type().Elem(), src.Type().Elem()): + return storeSliceIntoSlice(dest, src) + default: + return fmt.Errorf( + "dbus.Store: type mismatch: "+ + "slice: cannot convert a value of %s into %s", + src.Type(), dest.Type()) + } +} + +func storeStruct(dest, src reflect.Value) error { + if isVariant(dest.Type()) { + return storeBase(dest, src) + } + dval := make([]interface{}, 0, dest.NumField()) + dtype := dest.Type() + for i := 0; i < dest.NumField(); i++ { + field := dest.Field(i) + ftype := dtype.Field(i) + if ftype.PkgPath != "" { + continue + } + if ftype.Tag.Get("dbus") == "-" { + continue + } + dval = append(dval, field.Addr().Interface()) + } + if src.Len() != len(dval) { + return fmt.Errorf( + "dbus.Store: type mismatch: "+ + "destination struct does not have "+ + "enough fields need: %d have: %d", + src.Len(), len(dval)) + } + return Store(src.Interface().([]interface{}), dval...) +} + +func storeSliceIntoVariant(dest, src reflect.Value) error { + dv := reflect.MakeSlice(src.Type(), src.Len(), src.Cap()) + err := store(dv, src) + if err != nil { + return err + } + return storeBase(dest, dv) +} + +func storeSliceIntoInterface(dest, src reflect.Value) error { + var dv reflect.Value + if isVariant(src.Type().Elem()) { + //Convert variants to interface{} recursively when converting + //to interface{} + dv = reflect.MakeSlice(reflect.SliceOf(interfaceType), + src.Len(), src.Cap()) + } else { + dv = reflect.MakeSlice(src.Type(), src.Len(), src.Cap()) + } + err := store(dv, src) + if err != nil { + return err + } + return storeBase(dest, dv) +} + +func storeSliceIntoSlice(dest, src reflect.Value) error { + if dest.IsNil() || dest.Len() < src.Len() { + dest.Set(reflect.MakeSlice(dest.Type(), src.Len(), src.Cap())) + } + if dest.Len() != src.Len() { + return fmt.Errorf( + "dbus.Store: type mismatch: "+ + "slices are different lengths "+ + "need: %d have: %d", + src.Len(), dest.Len()) + } + for i := 0; i < src.Len(); i++ { + err := store(dest.Index(i), getVariantValue(src.Index(i))) + if err != nil { + return err } } + return nil +} + +func getVariantValue(in reflect.Value) reflect.Value { + if isVariant(in.Type()) { + return reflect.ValueOf(in.Interface().(Variant).Value()) + } + return in +} + +func isVariant(t reflect.Type) bool { + return t == variantType } // An ObjectPath is an object path as defined by the D-Bus spec. @@ -177,15 +346,15 @@ func alignment(t reflect.Type) int { return 4 case signatureType: return 1 - case interfacesType: // sometimes used for structs - return 8 + case interfacesType: + return 4 } switch t.Kind() { case reflect.Uint8: return 1 case reflect.Uint16, reflect.Int16: return 2 - case reflect.Uint32, reflect.Int32, reflect.String, reflect.Array, reflect.Slice, reflect.Map: + case reflect.Uint, reflect.Int, reflect.Uint32, reflect.Int32, reflect.String, reflect.Array, reflect.Slice, reflect.Map: return 4 case reflect.Uint64, reflect.Int64, reflect.Float64, reflect.Struct: return 8 @@ -200,7 +369,7 @@ func isKeyType(t reflect.Type) bool { switch t.Kind() { case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Float64, - reflect.String: + reflect.String, reflect.Uint, reflect.Int: return true } diff --git a/vendor/github.com/godbus/dbus/default_handler.go b/vendor/github.com/godbus/dbus/default_handler.go new file mode 100644 index 00000000..e81f73ac --- /dev/null +++ b/vendor/github.com/godbus/dbus/default_handler.go @@ -0,0 +1,291 @@ +package dbus + +import ( + "bytes" + "reflect" + "strings" + "sync" +) + +func newIntrospectIntf(h *defaultHandler) *exportedIntf { + methods := make(map[string]Method) + methods["Introspect"] = exportedMethod{ + reflect.ValueOf(func(msg Message) (string, *Error) { + path := msg.Headers[FieldPath].value.(ObjectPath) + return h.introspectPath(path), nil + }), + } + return newExportedIntf(methods, true) +} + +//NewDefaultHandler returns an instance of the default +//call handler. This is useful if you want to implement only +//one of the two handlers but not both. +func NewDefaultHandler() *defaultHandler { + h := &defaultHandler{ + objects: make(map[ObjectPath]*exportedObj), + defaultIntf: make(map[string]*exportedIntf), + } + h.defaultIntf["org.freedesktop.DBus.Introspectable"] = newIntrospectIntf(h) + return h +} + +type defaultHandler struct { + sync.RWMutex + objects map[ObjectPath]*exportedObj + defaultIntf map[string]*exportedIntf +} + +func (h *defaultHandler) PathExists(path ObjectPath) bool { + _, ok := h.objects[path] + return ok +} + +func (h *defaultHandler) introspectPath(path ObjectPath) string { + subpath := make(map[string]struct{}) + var xml bytes.Buffer + xml.WriteString("") + for obj, _ := range h.objects { + p := string(path) + if p != "/" { + p += "/" + } + if strings.HasPrefix(string(obj), p) { + node_name := strings.Split(string(obj[len(p):]), "/")[0] + subpath[node_name] = struct{}{} + } + } + for s, _ := range subpath { + xml.WriteString("\n\t") + } + xml.WriteString("\n") + return xml.String() +} + +func (h *defaultHandler) LookupObject(path ObjectPath) (ServerObject, bool) { + h.RLock() + defer h.RUnlock() + object, ok := h.objects[path] + if ok { + return object, ok + } + + // If an object wasn't found for this exact path, + // look for a matching subtree registration + subtreeObject := newExportedObject() + path = path[:strings.LastIndex(string(path), "/")] + for len(path) > 0 { + object, ok = h.objects[path] + if ok { + for name, iface := range object.interfaces { + // Only include this handler if it registered for the subtree + if iface.isFallbackInterface() { + subtreeObject.interfaces[name] = iface + } + } + break + } + + path = path[:strings.LastIndex(string(path), "/")] + } + + for name, intf := range h.defaultIntf { + if _, exists := subtreeObject.interfaces[name]; exists { + continue + } + subtreeObject.interfaces[name] = intf + } + + return subtreeObject, true +} + +func (h *defaultHandler) AddObject(path ObjectPath, object *exportedObj) { + h.Lock() + h.objects[path] = object + h.Unlock() +} + +func (h *defaultHandler) DeleteObject(path ObjectPath) { + h.Lock() + delete(h.objects, path) + h.Unlock() +} + +type exportedMethod struct { + reflect.Value +} + +func (m exportedMethod) Call(args ...interface{}) ([]interface{}, error) { + t := m.Type() + + params := make([]reflect.Value, len(args)) + for i := 0; i < len(args); i++ { + params[i] = reflect.ValueOf(args[i]).Elem() + } + + ret := m.Value.Call(params) + + err := ret[t.NumOut()-1].Interface().(*Error) + ret = ret[:t.NumOut()-1] + out := make([]interface{}, len(ret)) + for i, val := range ret { + out[i] = val.Interface() + } + if err == nil { + //concrete type to interface nil is a special case + return out, nil + } + return out, err +} + +func (m exportedMethod) NumArguments() int { + return m.Value.Type().NumIn() +} + +func (m exportedMethod) ArgumentValue(i int) interface{} { + return reflect.Zero(m.Type().In(i)).Interface() +} + +func (m exportedMethod) NumReturns() int { + return m.Value.Type().NumOut() +} + +func (m exportedMethod) ReturnValue(i int) interface{} { + return reflect.Zero(m.Type().Out(i)).Interface() +} + +func newExportedObject() *exportedObj { + return &exportedObj{ + interfaces: make(map[string]*exportedIntf), + } +} + +type exportedObj struct { + interfaces map[string]*exportedIntf +} + +func (obj *exportedObj) LookupInterface(name string) (Interface, bool) { + if name == "" { + return obj, true + } + intf, exists := obj.interfaces[name] + return intf, exists +} + +func (obj *exportedObj) AddInterface(name string, iface *exportedIntf) { + obj.interfaces[name] = iface +} + +func (obj *exportedObj) DeleteInterface(name string) { + delete(obj.interfaces, name) +} + +func (obj *exportedObj) LookupMethod(name string) (Method, bool) { + for _, intf := range obj.interfaces { + method, exists := intf.LookupMethod(name) + if exists { + return method, exists + } + } + return nil, false +} + +func (obj *exportedObj) isFallbackInterface() bool { + return false +} + +func newExportedIntf(methods map[string]Method, includeSubtree bool) *exportedIntf { + return &exportedIntf{ + methods: methods, + includeSubtree: includeSubtree, + } +} + +type exportedIntf struct { + methods map[string]Method + + // Whether or not this export is for the entire subtree + includeSubtree bool +} + +func (obj *exportedIntf) LookupMethod(name string) (Method, bool) { + out, exists := obj.methods[name] + return out, exists +} + +func (obj *exportedIntf) isFallbackInterface() bool { + return obj.includeSubtree +} + +//NewDefaultSignalHandler returns an instance of the default +//signal handler. This is useful if you want to implement only +//one of the two handlers but not both. +func NewDefaultSignalHandler() *defaultSignalHandler { + return &defaultSignalHandler{} +} + +func isDefaultSignalHandler(handler SignalHandler) bool { + _, ok := handler.(*defaultSignalHandler) + return ok +} + +type defaultSignalHandler struct { + sync.RWMutex + closed bool + signals []chan<- *Signal +} + +func (sh *defaultSignalHandler) DeliverSignal(intf, name string, signal *Signal) { + go func() { + sh.RLock() + defer sh.RUnlock() + if sh.closed { + return + } + for _, ch := range sh.signals { + ch <- signal + } + }() +} + +func (sh *defaultSignalHandler) Init() error { + sh.Lock() + sh.signals = make([]chan<- *Signal, 0) + sh.Unlock() + return nil +} + +func (sh *defaultSignalHandler) Terminate() { + sh.Lock() + sh.closed = true + for _, ch := range sh.signals { + close(ch) + } + sh.signals = nil + sh.Unlock() +} + +func (sh *defaultSignalHandler) addSignal(ch chan<- *Signal) { + sh.Lock() + defer sh.Unlock() + if sh.closed { + return + } + sh.signals = append(sh.signals, ch) + +} + +func (sh *defaultSignalHandler) removeSignal(ch chan<- *Signal) { + sh.Lock() + defer sh.Unlock() + if sh.closed { + return + } + for i := len(sh.signals) - 1; i >= 0; i-- { + if ch == sh.signals[i] { + copy(sh.signals[i:], sh.signals[i+1:]) + sh.signals[len(sh.signals)-1] = nil + sh.signals = sh.signals[:len(sh.signals)-1] + } + } +} diff --git a/vendor/github.com/godbus/dbus/doc.go b/vendor/github.com/godbus/dbus/doc.go index deff554a..895036a8 100644 --- a/vendor/github.com/godbus/dbus/doc.go +++ b/vendor/github.com/godbus/dbus/doc.go @@ -19,6 +19,8 @@ respective D-Bus equivalents: bool | BOOLEAN int16 | INT16 uint16 | UINT16 + int | INT32 + uint | UINT32 int32 | INT32 uint32 | UINT32 int64 | INT64 @@ -28,6 +30,7 @@ respective D-Bus equivalents: ObjectPath | OBJECT_PATH Signature | SIGNATURE Variant | VARIANT + interface{} | VARIANT UnixFDIndex | UNIX_FD Slices and arrays encode as ARRAYs of their element type. @@ -41,6 +44,9 @@ be skipped. Pointers encode as the value they're pointed to. +Types convertible to one of the base types above will be mapped as the +base type. + Trying to encode any other type or a slice, map or struct containing an unsupported type will result in an InvalidTypeError. diff --git a/vendor/github.com/godbus/dbus/encoder.go b/vendor/github.com/godbus/dbus/encoder.go index 9f0a9e89..8bb71776 100644 --- a/vendor/github.com/godbus/dbus/encoder.go +++ b/vendor/github.com/godbus/dbus/encoder.go @@ -96,10 +96,10 @@ func (enc *encoder) encode(v reflect.Value, depth int) { case reflect.Uint16: enc.binwrite(uint16(v.Uint())) enc.pos += 2 - case reflect.Int32: + case reflect.Int, reflect.Int32: enc.binwrite(int32(v.Int())) enc.pos += 4 - case reflect.Uint32: + case reflect.Uint, reflect.Uint32: enc.binwrite(uint32(v.Uint())) enc.pos += 4 case reflect.Int64: @@ -202,6 +202,8 @@ func (enc *encoder) encode(v reflect.Value, depth int) { panic(err) } enc.pos += length + case reflect.Interface: + enc.encode(reflect.ValueOf(MakeVariant(v.Interface())), depth) default: panic(InvalidTypeError{v.Type()}) } diff --git a/vendor/github.com/godbus/dbus/export.go b/vendor/github.com/godbus/dbus/export.go index 6c335220..aae97088 100644 --- a/vendor/github.com/godbus/dbus/export.go +++ b/vendor/github.com/godbus/dbus/export.go @@ -1,7 +1,6 @@ package dbus import ( - "bytes" "errors" "fmt" "reflect" @@ -9,32 +8,29 @@ import ( ) var ( - errmsgInvalidArg = Error{ + ErrMsgInvalidArg = Error{ "org.freedesktop.DBus.Error.InvalidArgs", []interface{}{"Invalid type / number of args"}, } - errmsgNoObject = Error{ + ErrMsgNoObject = Error{ "org.freedesktop.DBus.Error.NoSuchObject", []interface{}{"No such object"}, } - errmsgUnknownMethod = Error{ + ErrMsgUnknownMethod = Error{ "org.freedesktop.DBus.Error.UnknownMethod", []interface{}{"Unknown / invalid method"}, } + ErrMsgUnknownInterface = Error{ + "org.freedesktop.DBus.Error.UnknownInterface", + []interface{}{"Object does not implement the interface"}, + } ) -// exportedObj represents an exported object. It stores a precomputed -// method table that represents the methods exported on the bus. -type exportedObj struct { - methods map[string]reflect.Value - - // Whether or not this export is for the entire subtree - includeSubtree bool -} - -func (obj exportedObj) Method(name string) (reflect.Value, bool) { - out, exists := obj.methods[name] - return out, exists +func MakeFailedError(err error) *Error { + return &Error{ + "org.freedesktop.DBus.Error.Failed", + []interface{}{err.Error()}, + } } // Sender is a type which can be used in exported methods to receive the message @@ -63,7 +59,7 @@ func getMethods(in interface{}, mapping map[string]string) map[string]reflect.Va // only track valid methods must return *Error as last arg // and must be exported if t.NumOut() == 0 || - t.Out(t.NumOut()-1) != reflect.TypeOf(&errmsgInvalidArg) || + t.Out(t.NumOut()-1) != reflect.TypeOf(&ErrMsgInvalidArg) || methtype.PkgPath != "" { continue } @@ -73,119 +69,12 @@ func getMethods(in interface{}, mapping map[string]string) map[string]reflect.Va return methods } -// searchHandlers will look through all registered handlers looking for one -// to handle the given path. If a verbatim one isn't found, it will check for -// a subtree registration for the path as well. -func (conn *Conn) searchHandlers(path ObjectPath) (map[string]exportedObj, bool) { - conn.handlersLck.RLock() - defer conn.handlersLck.RUnlock() +func standardMethodArgumentDecode(m Method, sender string, msg *Message, body []interface{}) ([]interface{}, error) { + pointers := make([]interface{}, m.NumArguments()) + decode := make([]interface{}, 0, len(body)) - handlers, ok := conn.handlers[path] - if ok { - return handlers, ok - } - - // If handlers weren't found for this exact path, look for a matching subtree - // registration - handlers = make(map[string]exportedObj) - path = path[:strings.LastIndex(string(path), "/")] - for len(path) > 0 { - var subtreeHandlers map[string]exportedObj - subtreeHandlers, ok = conn.handlers[path] - if ok { - for iface, handler := range subtreeHandlers { - // Only include this handler if it registered for the subtree - if handler.includeSubtree { - handlers[iface] = handler - } - } - - break - } - - path = path[:strings.LastIndex(string(path), "/")] - } - - return handlers, ok -} - -// handleCall handles the given method call (i.e. looks if it's one of the -// pre-implemented ones and searches for a corresponding handler if not). -func (conn *Conn) handleCall(msg *Message) { - name := msg.Headers[FieldMember].value.(string) - path := msg.Headers[FieldPath].value.(ObjectPath) - ifaceName, hasIface := msg.Headers[FieldInterface].value.(string) - sender, hasSender := msg.Headers[FieldSender].value.(string) - serial := msg.serial - if ifaceName == "org.freedesktop.DBus.Peer" { - switch name { - case "Ping": - conn.sendReply(sender, serial) - case "GetMachineId": - conn.sendReply(sender, serial, conn.uuid) - default: - conn.sendError(errmsgUnknownMethod, sender, serial) - } - return - } else if ifaceName == "org.freedesktop.DBus.Introspectable" && name == "Introspect" { - if _, ok := conn.handlers[path]; !ok { - subpath := make(map[string]struct{}) - var xml bytes.Buffer - xml.WriteString("") - for h, _ := range conn.handlers { - p := string(path) - if p != "/" { - p += "/" - } - if strings.HasPrefix(string(h), p) { - node_name := strings.Split(string(h[len(p):]), "/")[0] - subpath[node_name] = struct{}{} - } - } - for s, _ := range subpath { - xml.WriteString("\n\t") - } - xml.WriteString("\n") - conn.sendReply(sender, serial, xml.String()) - return - } - } - if len(name) == 0 { - conn.sendError(errmsgUnknownMethod, sender, serial) - } - - // Find the exported handler (if any) for this path - handlers, ok := conn.searchHandlers(path) - if !ok { - conn.sendError(errmsgNoObject, sender, serial) - return - } - - var m reflect.Value - var exists bool - if hasIface { - iface := handlers[ifaceName] - m, exists = iface.Method(name) - } else { - for _, v := range handlers { - m, exists = v.Method(name) - if exists { - break - } - } - } - - if !exists { - conn.sendError(errmsgUnknownMethod, sender, serial) - return - } - - t := m.Type() - vs := msg.Body - pointers := make([]interface{}, t.NumIn()) - decode := make([]interface{}, 0, len(vs)) - for i := 0; i < t.NumIn(); i++ { - tp := t.In(i) + for i := 0; i < m.NumArguments(); i++ { + tp := reflect.TypeOf(m.ArgumentValue(i)) val := reflect.New(tp) pointers[i] = val.Interface() if tp == reflect.TypeOf((*Sender)(nil)).Elem() { @@ -197,26 +86,73 @@ func (conn *Conn) handleCall(msg *Message) { } } - if len(decode) != len(vs) { - conn.sendError(errmsgInvalidArg, sender, serial) + if len(decode) != len(body) { + return nil, ErrMsgInvalidArg + } + + if err := Store(body, decode...); err != nil { + return nil, ErrMsgInvalidArg + } + + return pointers, nil +} + +func (conn *Conn) decodeArguments(m Method, sender string, msg *Message) ([]interface{}, error) { + if decoder, ok := m.(ArgumentDecoder); ok { + return decoder.DecodeArguments(conn, sender, msg, msg.Body) + } + return standardMethodArgumentDecode(m, sender, msg, msg.Body) +} + +// handleCall handles the given method call (i.e. looks if it's one of the +// pre-implemented ones and searches for a corresponding handler if not). +func (conn *Conn) handleCall(msg *Message) { + name := msg.Headers[FieldMember].value.(string) + path := msg.Headers[FieldPath].value.(ObjectPath) + ifaceName, _ := msg.Headers[FieldInterface].value.(string) + sender, hasSender := msg.Headers[FieldSender].value.(string) + serial := msg.serial + if ifaceName == "org.freedesktop.DBus.Peer" { + switch name { + case "Ping": + conn.sendReply(sender, serial) + case "GetMachineId": + conn.sendReply(sender, serial, conn.uuid) + default: + conn.sendError(ErrMsgUnknownMethod, sender, serial) + } + return + } + if len(name) == 0 { + conn.sendError(ErrMsgUnknownMethod, sender, serial) + } + + object, ok := conn.handler.LookupObject(path) + if !ok { + conn.sendError(ErrMsgNoObject, sender, serial) return } - if err := Store(vs, decode...); err != nil { - conn.sendError(errmsgInvalidArg, sender, serial) + iface, exists := object.LookupInterface(ifaceName) + if !exists { + conn.sendError(ErrMsgUnknownInterface, sender, serial) return } - // Extract parameters - params := make([]reflect.Value, len(pointers)) - for i := 0; i < len(pointers); i++ { - params[i] = reflect.ValueOf(pointers[i]).Elem() + m, exists := iface.LookupMethod(name) + if !exists { + conn.sendError(ErrMsgUnknownMethod, sender, serial) + return + } + args, err := conn.decodeArguments(m, sender, msg) + if err != nil { + conn.sendError(err, sender, serial) + return } - // Call method - ret := m.Call(params) - if em := ret[t.NumOut()-1].Interface().(*Error); em != nil { - conn.sendError(*em, sender, serial) + ret, err := m.Call(args...) + if err != nil { + conn.sendError(err, sender, serial) return } @@ -229,13 +165,11 @@ func (conn *Conn) handleCall(msg *Message) { reply.Headers[FieldDestination] = msg.Headers[FieldSender] } reply.Headers[FieldReplySerial] = MakeVariant(msg.serial) - reply.Body = make([]interface{}, len(ret)-1) - for i := 0; i < len(ret)-1; i++ { - reply.Body[i] = ret[i].Interface() - } - if len(ret) != 1 { - reply.Headers[FieldSignature] = MakeVariant(SignatureOf(reply.Body...)) + reply.Body = make([]interface{}, len(ret)) + for i := 0; i < len(ret); i++ { + reply.Body[i] = ret[i] } + reply.Headers[FieldSignature] = MakeVariant(SignatureOf(reply.Body...)) conn.outLck.RLock() if !conn.closed { conn.out <- reply @@ -375,7 +309,7 @@ func (conn *Conn) exportMethodTable(methods map[string]interface{}, path ObjectP t := rval.Type() // only track valid methods must return *Error as last arg if t.NumOut() == 0 || - t.Out(t.NumOut()-1) != reflect.TypeOf(&errmsgInvalidArg) { + t.Out(t.NumOut()-1) != reflect.TypeOf(&ErrMsgInvalidArg) { continue } out[name] = rval @@ -383,38 +317,49 @@ func (conn *Conn) exportMethodTable(methods map[string]interface{}, path ObjectP return conn.export(out, path, iface, includeSubtree) } +func (conn *Conn) unexport(h *defaultHandler, path ObjectPath, iface string) error { + if h.PathExists(path) { + obj := h.objects[path] + obj.DeleteInterface(iface) + if len(obj.interfaces) == 0 { + h.DeleteObject(path) + } + } + return nil +} + // exportWithMap is the worker function for all exports/registrations. func (conn *Conn) export(methods map[string]reflect.Value, path ObjectPath, iface string, includeSubtree bool) error { + h, ok := conn.handler.(*defaultHandler) + if !ok { + return fmt.Errorf( + `dbus: export only allowed on the default hander handler have %T"`, + conn.handler) + } + if !path.IsValid() { return fmt.Errorf(`dbus: Invalid path name: "%s"`, path) } - conn.handlersLck.Lock() - defer conn.handlersLck.Unlock() - // Remove a previous export if the interface is nil if methods == nil { - if _, ok := conn.handlers[path]; ok { - delete(conn.handlers[path], iface) - if len(conn.handlers[path]) == 0 { - delete(conn.handlers, path) - } - } - - return nil + return conn.unexport(h, path, iface) } // If this is the first handler for this path, make a new map to hold all // handlers for this path. - if _, ok := conn.handlers[path]; !ok { - conn.handlers[path] = make(map[string]exportedObj) + if !h.PathExists(path) { + h.AddObject(path, newExportedObject()) + } + + exportedMethods := make(map[string]Method) + for name, method := range methods { + exportedMethods[name] = exportedMethod{method} } // Finally, save this handler - conn.handlers[path][iface] = exportedObj{ - methods: methods, - includeSubtree: includeSubtree, - } + obj := h.objects[path] + obj.AddInterface(iface, newExportedIntf(exportedMethods, includeSubtree)) return nil } diff --git a/vendor/github.com/godbus/dbus/object.go b/vendor/github.com/godbus/dbus/object.go index 9573b709..6d95583d 100644 --- a/vendor/github.com/godbus/dbus/object.go +++ b/vendor/github.com/godbus/dbus/object.go @@ -43,7 +43,8 @@ func (o *Object) AddMatchSignal(iface, member string) *Call { // will be allocated. Otherwise, ch has to be buffered or Go will panic. // // If the flags include FlagNoReplyExpected, ch is ignored and a Call structure -// is returned of which only the Err member is valid. +// is returned with any error in Err and a closed channel in Done containing +// the returned Call as it's one entry. // // If the method parameter contains a dot ('.'), the part before the last dot // specifies the interface on which the method is called. @@ -97,11 +98,21 @@ func (o *Object) Go(method string, flags Flags, ch chan *Call, args ...interface } o.conn.outLck.RLock() defer o.conn.outLck.RUnlock() + done := make(chan *Call, 1) + call := &Call{ + Err: nil, + Done: done, + } + defer func() { + call.Done <- call + close(done) + }() if o.conn.closed { - return &Call{Err: ErrClosed} + call.Err = ErrClosed + return call } o.conn.out <- msg - return &Call{Err: nil} + return call } // GetProperty calls org.freedesktop.DBus.Properties.GetProperty on the given @@ -125,12 +136,12 @@ func (o *Object) GetProperty(p string) (Variant, error) { return result, nil } -// Destination returns the destination that calls on o are sent to. +// Destination returns the destination that calls on (o *Object) are sent to. func (o *Object) Destination() string { return o.dest } -// Path returns the path that calls on o are sent to. +// Path returns the path that calls on (o *Object") are sent to. func (o *Object) Path() ObjectPath { return o.path } diff --git a/vendor/github.com/godbus/dbus/server_interfaces.go b/vendor/github.com/godbus/dbus/server_interfaces.go new file mode 100644 index 00000000..091948ae --- /dev/null +++ b/vendor/github.com/godbus/dbus/server_interfaces.go @@ -0,0 +1,89 @@ +package dbus + +// Terminator allows a handler to implement a shutdown mechanism that +// is called when the connection terminates. +type Terminator interface { + Terminate() +} + +// Handler is the representation of a D-Bus Application. +// +// The Handler must have a way to lookup objects given +// an ObjectPath. The returned object must implement the +// ServerObject interface. +type Handler interface { + LookupObject(path ObjectPath) (ServerObject, bool) +} + +// ServerObject is the representation of an D-Bus Object. +// +// Objects are registered at a path for a given Handler. +// The Objects implement D-Bus interfaces. The semantics +// of Interface lookup is up to the implementation of +// the ServerObject. The ServerObject implementation may +// choose to implement empty string as a valid interface +// represeting all methods or not per the D-Bus specification. +type ServerObject interface { + LookupInterface(name string) (Interface, bool) +} + +// An Interface is the representation of a D-Bus Interface. +// +// Interfaces are a grouping of methods implemented by the Objects. +// Interfaces are responsible for routing method calls. +type Interface interface { + LookupMethod(name string) (Method, bool) +} + +// A Method represents the exposed methods on D-Bus. +type Method interface { + // Call requires that all arguments are decoded before being passed to it. + Call(args ...interface{}) ([]interface{}, error) + NumArguments() int + NumReturns() int + // ArgumentValue returns a representative value for the argument at position + // it should be of the proper type. reflect.Zero would be a good mechanism + // to use for this Value. + ArgumentValue(position int) interface{} + // ReturnValue returns a representative value for the return at position + // it should be of the proper type. reflect.Zero would be a good mechanism + // to use for this Value. + ReturnValue(position int) interface{} +} + +// An Argument Decoder can decode arguments using the non-standard mechanism +// +// If a method implements this interface then the non-standard +// decoder will be used. +// +// Method arguments must be decoded from the message. +// The mechanism for doing this will vary based on the +// implementation of the method. A normal approach is provided +// as part of this library, but may be replaced with +// any other decoding scheme. +type ArgumentDecoder interface { + // To decode the arguments of a method the sender and message are + // provided incase the semantics of the implementer provides access + // to these as part of the method invocation. + DecodeArguments(conn *Conn, sender string, msg *Message, args []interface{}) ([]interface{}, error) +} + +// A SignalHandler is responsible for delivering a signal. +// +// Signal delivery may be changed from the default channel +// based approach by Handlers implementing the SignalHandler +// interface. +type SignalHandler interface { + DeliverSignal(iface, name string, signal *Signal) +} + +// A DBusError is used to convert a generic object to a D-Bus error. +// +// Any custom error mechanism may implement this interface to provide +// a custom encoding of the error on D-Bus. By default if a normal +// error is returned, it will be encoded as the generic +// "org.freedesktop.DBus.Error.Failed" error. By implementing this +// interface as well a custom encoding may be provided. +type DBusError interface { + DBusError() (string, []interface{}) +} diff --git a/vendor/github.com/godbus/dbus/sig.go b/vendor/github.com/godbus/dbus/sig.go index f45b53ce..c1b80920 100644 --- a/vendor/github.com/godbus/dbus/sig.go +++ b/vendor/github.com/godbus/dbus/sig.go @@ -57,12 +57,12 @@ func getSignature(t reflect.Type) string { return "n" case reflect.Uint16: return "q" - case reflect.Int32: + case reflect.Int, reflect.Int32: if t == unixFDType { return "h" } return "i" - case reflect.Uint32: + case reflect.Uint, reflect.Uint32: if t == unixFDIndexType { return "h" } @@ -101,6 +101,8 @@ func getSignature(t reflect.Type) string { panic(InvalidTypeError{t}) } return "a{" + getSignature(t.Key()) + getSignature(t.Elem()) + "}" + case reflect.Interface: + return "v" } panic(InvalidTypeError{t}) } @@ -162,7 +164,7 @@ func (e SignatureError) Error() string { return fmt.Sprintf("dbus: invalid signature: %q (%s)", e.Sig, e.Reason) } -// Try to read a single type from this string. If it was successfull, err is nil +// Try to read a single type from this string. If it was successful, err is nil // and rem is the remaining unparsed part. Otherwise, err is a non-nil // SignatureError and rem is "". depth is the current recursion depth which may // not be greater than 64 and should be given as 0 on the first call. diff --git a/vendor/github.com/godbus/dbus/transport_generic.go b/vendor/github.com/godbus/dbus/transport_generic.go index 46f8f49d..3fad859a 100644 --- a/vendor/github.com/godbus/dbus/transport_generic.go +++ b/vendor/github.com/godbus/dbus/transport_generic.go @@ -4,8 +4,23 @@ import ( "encoding/binary" "errors" "io" + "unsafe" ) +var nativeEndian binary.ByteOrder + +func detectEndianness() binary.ByteOrder { + var x uint32 = 0x01020304 + if *(*byte)(unsafe.Pointer(&x)) == 0x01 { + return binary.BigEndian + } + return binary.LittleEndian +} + +func init() { + nativeEndian = detectEndianness() +} + type genericTransport struct { io.ReadWriteCloser } @@ -31,5 +46,5 @@ func (t genericTransport) SendMessage(msg *Message) error { return errors.New("dbus: unix fd passing not enabled") } } - return msg.EncodeTo(t, binary.LittleEndian) + return msg.EncodeTo(t, nativeEndian) } diff --git a/vendor/github.com/godbus/dbus/transport_unix.go b/vendor/github.com/godbus/dbus/transport_unix.go index a1d00cbc..e56d5ca9 100644 --- a/vendor/github.com/godbus/dbus/transport_unix.go +++ b/vendor/github.com/godbus/dbus/transport_unix.go @@ -175,7 +175,7 @@ func (t *unixTransport) SendMessage(msg *Message) error { msg.Headers[FieldUnixFDs] = MakeVariant(uint32(len(fds))) oob := syscall.UnixRights(fds...) buf := new(bytes.Buffer) - msg.EncodeTo(buf, binary.LittleEndian) + msg.EncodeTo(buf, nativeEndian) n, oobn, err := t.UnixConn.WriteMsgUnix(buf.Bytes(), oob, nil) if err != nil { return err @@ -184,7 +184,7 @@ func (t *unixTransport) SendMessage(msg *Message) error { return io.ErrShortWrite } } else { - if err := msg.EncodeTo(t, binary.LittleEndian); err != nil { + if err := msg.EncodeTo(t, nativeEndian); err != nil { return nil } } diff --git a/vendor/github.com/godbus/dbus/transport_unixcred_freebsd.go b/vendor/github.com/godbus/dbus/transport_unixcred_freebsd.go new file mode 100644 index 00000000..0fc5b927 --- /dev/null +++ b/vendor/github.com/godbus/dbus/transport_unixcred_freebsd.go @@ -0,0 +1,91 @@ +// The UnixCredentials system call is currently only implemented on Linux +// http://golang.org/src/pkg/syscall/sockcmsg_linux.go +// https://golang.org/s/go1.4-syscall +// http://code.google.com/p/go/source/browse/unix/sockcmsg_linux.go?repo=sys + +// Local implementation of the UnixCredentials system call for FreeBSD + +package dbus + +/* +const int sizeofPtr = sizeof(void*); +#define _WANT_UCRED +#include +*/ +import "C" + +import ( + "io" + "os" + "syscall" + "unsafe" +) + +// http://golang.org/src/pkg/syscall/ztypes_linux_amd64.go +// https://golang.org/src/syscall/ztypes_freebsd_amd64.go +type Ucred struct { + Pid int32 + Uid uint32 + Gid uint32 +} + +// http://golang.org/src/pkg/syscall/types_linux.go +// https://golang.org/src/syscall/types_freebsd.go +// https://github.com/freebsd/freebsd/blob/master/sys/sys/ucred.h +const ( + SizeofUcred = C.sizeof_struct_ucred +) + +// http://golang.org/src/pkg/syscall/sockcmsg_unix.go +func cmsgAlignOf(salen int) int { + salign := C.sizeofPtr + + return (salen + salign - 1) & ^(salign - 1) +} + +// http://golang.org/src/pkg/syscall/sockcmsg_unix.go +func cmsgData(h *syscall.Cmsghdr) unsafe.Pointer { + return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(syscall.SizeofCmsghdr))) +} + +// http://golang.org/src/pkg/syscall/sockcmsg_linux.go +// UnixCredentials encodes credentials into a socket control message +// for sending to another process. This can be used for +// authentication. +func UnixCredentials(ucred *Ucred) []byte { + b := make([]byte, syscall.CmsgSpace(SizeofUcred)) + h := (*syscall.Cmsghdr)(unsafe.Pointer(&b[0])) + h.Level = syscall.SOL_SOCKET + h.Type = syscall.SCM_CREDS + h.SetLen(syscall.CmsgLen(SizeofUcred)) + *((*Ucred)(cmsgData(h))) = *ucred + return b +} + +// http://golang.org/src/pkg/syscall/sockcmsg_linux.go +// ParseUnixCredentials decodes a socket control message that contains +// credentials in a Ucred structure. To receive such a message, the +// SO_PASSCRED option must be enabled on the socket. +func ParseUnixCredentials(m *syscall.SocketControlMessage) (*Ucred, error) { + if m.Header.Level != syscall.SOL_SOCKET { + return nil, syscall.EINVAL + } + if m.Header.Type != syscall.SCM_CREDS { + return nil, syscall.EINVAL + } + ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0])) + return &ucred, nil +} + +func (t *unixTransport) SendNullByte() error { + ucred := &Ucred{Pid: int32(os.Getpid()), Uid: uint32(os.Getuid()), Gid: uint32(os.Getgid())} + b := UnixCredentials(ucred) + _, oobn, err := t.UnixConn.WriteMsgUnix([]byte{0}, b, nil) + if err != nil { + return err + } + if oobn != len(b) { + return io.ErrShortWrite + } + return nil +} diff --git a/vendor/github.com/godbus/dbus/transport_unixcred_openbsd.go b/vendor/github.com/godbus/dbus/transport_unixcred_openbsd.go new file mode 100644 index 00000000..af7bafdf --- /dev/null +++ b/vendor/github.com/godbus/dbus/transport_unixcred_openbsd.go @@ -0,0 +1,14 @@ +package dbus + +import "io" + +func (t *unixTransport) SendNullByte() error { + n, _, err := t.UnixConn.WriteMsgUnix([]byte{0}, nil, nil) + if err != nil { + return err + } + if n != 1 { + return io.ErrShortWrite + } + return nil +} diff --git a/vendor/github.com/godbus/dbus/variant.go b/vendor/github.com/godbus/dbus/variant.go index b7b13ae9..0ca123b0 100644 --- a/vendor/github.com/godbus/dbus/variant.go +++ b/vendor/github.com/godbus/dbus/variant.go @@ -17,7 +17,12 @@ type Variant struct { // MakeVariant converts the given value to a Variant. It panics if v cannot be // represented as a D-Bus type. func MakeVariant(v interface{}) Variant { - return Variant{SignatureOf(v), v} + return MakeVariantWithSignature(v, SignatureOf(v)) +} + +// MakeVariantWithSignature converts the given value to a Variant. +func MakeVariantWithSignature(v interface{}, s Signature) Variant { + return Variant{s, v} } // ParseVariant parses the given string as a variant as described at