Commit 6238964d authored by Robert Griesemer's avatar Robert Griesemer

gofmt-ify nacl

R=rsc
http://go/go-review/1018062
parent 77334b98
...@@ -21,13 +21,13 @@ import ( ...@@ -21,13 +21,13 @@ import (
"unsafe"; "unsafe";
) )
var srpcEnabled = srpc.Enabled(); var srpcEnabled = srpc.Enabled()
// native_client/src/trusted/service_runtime/include/sys/audio_video.h // native_client/src/trusted/service_runtime/include/sys/audio_video.h
// Subsystem values for Init. // Subsystem values for Init.
const ( const (
SubsystemVideo = 1<<iota; SubsystemVideo = 1<<iota;
SubsystemAudio; SubsystemAudio;
SubsystemEmbed; SubsystemEmbed;
) )
...@@ -35,20 +35,20 @@ const ( ...@@ -35,20 +35,20 @@ const (
// Audio formats. // Audio formats.
const ( const (
AudioFormatStereo44K = iota; AudioFormatStereo44K = iota;
AudioFormatStereo48K; AudioFormatStereo48K;
) )
// A Window represents a connection to the Native Client window. // A Window represents a connection to the Native Client window.
// It implements draw.Context. // It implements draw.Context.
type Window struct { type Window struct {
Embedded bool; // running as part of a web page? Embedded bool; // running as part of a web page?
*Image; // screen image *Image; // screen image
mousec chan draw.Mouse; mousec chan draw.Mouse;
kbdc chan int; kbdc chan int;
quitc chan bool; quitc chan bool;
resizec chan bool; resizec chan bool;
} }
// *Window implements draw.Context // *Window implements draw.Context
...@@ -89,7 +89,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) { ...@@ -89,7 +89,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) {
xsubsys := subsys; xsubsys := subsys;
if srpcEnabled { if srpcEnabled {
waitBridge(); waitBridge();
xsubsys &^= SubsystemVideo|SubsystemEmbed; xsubsys &^= SubsystemVideo | SubsystemEmbed;
} }
if xsubsys & SubsystemEmbed != 0 { if xsubsys & SubsystemEmbed != 0 {
...@@ -102,7 +102,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) { ...@@ -102,7 +102,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) {
return nil, err; return nil, err;
} }
if subsys&SubsystemVideo != 0 { if subsys & SubsystemVideo != 0 {
if dx, dy, err = videoInit(dx, dy); err != nil { if dx, dy, err = videoInit(dx, dy); err != nil {
return nil, err; return nil, err;
} }
...@@ -113,7 +113,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) { ...@@ -113,7 +113,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) {
w.quitc = make(chan bool); w.quitc = make(chan bool);
} }
if subsys&SubsystemAudio != 0 { if subsys & SubsystemAudio != 0 {
var n int; var n int;
if n, err = audioInit(AudioFormatStereo44K, 2048); err != nil { if n, err = audioInit(AudioFormatStereo44K, 2048); err != nil {
return nil, err; return nil, err;
...@@ -121,7 +121,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) { ...@@ -121,7 +121,7 @@ func Init(subsys int, dx, dy int) (*Window, os.Error) {
println("audio", n); println("audio", n);
} }
if subsys&SubsystemVideo != 0 { if subsys & SubsystemVideo != 0 {
go w.readEvents(); go w.readEvents();
} }
...@@ -158,7 +158,7 @@ func videoUpdate(data []Color) (err os.Error) { ...@@ -158,7 +158,7 @@ func videoUpdate(data []Color) (err os.Error) {
return os.NewSyscallError("video_update", syscall.VideoUpdate((*uint32)(&data[0]))); return os.NewSyscallError("video_update", syscall.VideoUpdate((*uint32)(&data[0])));
} }
var noEvents = os.NewError("no events"); var noEvents = os.NewError("no events")
func videoPollEvent(ev []byte) (err os.Error) { func videoPollEvent(ev []byte) (err os.Error) {
if srpcEnabled { if srpcEnabled {
...@@ -167,7 +167,7 @@ func videoPollEvent(ev []byte) (err os.Error) { ...@@ -167,7 +167,7 @@ func videoPollEvent(ev []byte) (err os.Error) {
return noEvents; return noEvents;
} }
bytes.Copy(ev, &bridge.share.eq.event[r]); bytes.Copy(ev, &bridge.share.eq.event[r]);
bridge.share.eq.ri = (r+1) % eqsize; bridge.share.eq.ri = (r+1)%eqsize;
return nil; return nil;
} }
return os.NewSyscallError("video_poll_event", syscall.VideoPollEvent(&ev[0])); return os.NewSyscallError("video_poll_event", syscall.VideoPollEvent(&ev[0]));
...@@ -209,13 +209,13 @@ func AudioStream(data []uint16) (nextSize int, err os.Error) { ...@@ -209,13 +209,13 @@ func AudioStream(data []uint16) (nextSize int, err os.Error) {
// Synchronization structure to wait for bridge to become ready. // Synchronization structure to wait for bridge to become ready.
var bridge struct { var bridge struct {
c chan bool; c chan bool;
displayFd int; displayFd int;
rpcFd int; rpcFd int;
share *videoShare; share *videoShare;
pixel []Color; pixel []Color;
client *srpc.Client; client *srpc.Client;
flushRPC *srpc.RPC; flushRPC *srpc.RPC;
} }
// Wait for bridge to become ready. // Wait for bridge to become ready.
...@@ -227,27 +227,27 @@ func waitBridge() { ...@@ -227,27 +227,27 @@ func waitBridge() {
bridge.c <- <-bridge.c; bridge.c <- <-bridge.c;
} }
const eqsize = 64; const eqsize = 64
// Data structure shared with host via mmap. // Data structure shared with host via mmap.
type videoShare struct { type videoShare struct {
revision int32; // definition below is rev 100 unless noted revision int32; // definition below is rev 100 unless noted
mapSize int32; mapSize int32;
// event queue // event queue
eq struct { eq struct {
ri uint32; // read index [0,eqsize) ri uint32; // read index [0,eqsize)
wi uint32; // write index [0,eqsize) wi uint32; // write index [0,eqsize)
eof int32; eof int32;
event [eqsize][64]byte; event [eqsize][64]byte;
}; };
// now unused // now unused
_, _, _, _ int32; _, _, _, _ int32;
// video backing store information // video backing store information
width, height, _, size int32; width, height, _, size int32;
ready int32; // rev 0x101 ready int32; // rev 0x101
} }
// The frame buffer data is videoShareSize bytes after // The frame buffer data is videoShareSize bytes after
...@@ -271,7 +271,7 @@ func (multimediaBridge) Run(arg, ret []interface{}, size []int) srpc.Errno { ...@@ -271,7 +271,7 @@ func (multimediaBridge) Run(arg, ret []interface{}, size []int) srpc.Errno {
addr, _, errno := syscall.Syscall6(syscall.SYS_MMAP, addr, _, errno := syscall.Syscall6(syscall.SYS_MMAP,
0, 0,
uintptr(st.Size), uintptr(st.Size),
syscall.PROT_READ|syscall.PROT_WRITE, syscall.PROT_READ | syscall.PROT_WRITE,
syscall.MAP_SHARED, syscall.MAP_SHARED,
uintptr(bridge.displayFd), uintptr(bridge.displayFd),
0); 0);
...@@ -284,8 +284,8 @@ func (multimediaBridge) Run(arg, ret []interface{}, size []int) srpc.Errno { ...@@ -284,8 +284,8 @@ func (multimediaBridge) Run(arg, ret []interface{}, size []int) srpc.Errno {
// Overestimate frame buffer size // Overestimate frame buffer size
// (must use a compile-time constant) // (must use a compile-time constant)
// and then reslice. 256 megapixels (1 GB) should be enough. // and then reslice. 256 megapixels (1 GB) should be enough.
fb := (*[256*1024*1024]Color)(unsafe.Pointer(addr+videoShareSize)); fb := (*[256*1024*1024]Color)(unsafe.Pointer(addr + videoShareSize));
bridge.pixel = fb[0:(st.Size - videoShareSize)/4]; bridge.pixel = fb[0 : (st.Size - videoShareSize)/4];
// Configure RPC connection back to client. // Configure RPC connection back to client.
var err os.Error; var err os.Error;
...@@ -308,4 +308,3 @@ func init() { ...@@ -308,4 +308,3 @@ func init() {
srpc.Add("nacl_multimedia_bridge", "hh:", multimediaBridge{}); srpc.Add("nacl_multimedia_bridge", "hh:", multimediaBridge{});
} }
} }
This diff is collapsed.
...@@ -16,11 +16,11 @@ import ( ...@@ -16,11 +16,11 @@ import (
// linear slice or as a two-dimensional slice of slices. // linear slice or as a two-dimensional slice of slices.
// Image implements image.Image. // Image implements image.Image.
type Image struct { type Image struct {
Linear []Color; Linear []Color;
Pixel [][]Color; Pixel [][]Color;
} }
var _ image.Image = (*Image)(nil); var _ image.Image = (*Image)(nil)
func (m *Image) ColorModel() image.ColorModel { func (m *Image) ColorModel() image.ColorModel {
return ColorModel; return ColorModel;
...@@ -62,18 +62,19 @@ func newImage(dx, dy int, linear []Color) *Image { ...@@ -62,18 +62,19 @@ func newImage(dx, dy int, linear []Color) *Image {
// A Color represents a Native Client color value, // A Color represents a Native Client color value,
// a 32-bit R, G, B, A value packed as 0xAARRGGBB. // a 32-bit R, G, B, A value packed as 0xAARRGGBB.
type Color uint32 type Color uint32
func (p Color) RGBA() (r, g, b, a uint32) { func (p Color) RGBA() (r, g, b, a uint32) {
x := uint32(p); x := uint32(p);
a = x>>24; a = x>>24;
a |= a<<8; a |= a<<8;
a |= a<<16; a |= a<<16;
r = (x>>16) & 0xFF; r = (x>>16)&0xFF;
r |= r<<8; r |= r<<8;
r |= r<<16; r |= r<<16;
g = (x>>8) & 0xFF; g = (x>>8)&0xFF;
g |= g<<8; g |= g<<8;
g |= g<<16; g |= g<<16;
b = x & 0xFF; b = x&0xFF;
b |= b<<8; b |= b<<8;
b |= b<<16; b |= b<<16;
return; return;
...@@ -91,5 +92,4 @@ func toColor(color image.Color) image.Color { ...@@ -91,5 +92,4 @@ func toColor(color image.Color) image.Color {
} }
// ColorModel is the color model corresponding to the Native Client Color. // ColorModel is the color model corresponding to the Native Client Color.
var ColorModel = image.ColorModelFunc(toColor); var ColorModel = image.ColorModelFunc(toColor)
...@@ -14,30 +14,30 @@ import ( ...@@ -14,30 +14,30 @@ import (
// A Client represents the client side of an SRPC connection. // A Client represents the client side of an SRPC connection.
type Client struct { type Client struct {
fd int; // fd to server fd int; // fd to server
r msgReceiver; r msgReceiver;
s msgSender; s msgSender;
service map[string]srv; // services by name service map[string]srv; // services by name
out chan *msg; // send to out to write to connection out chan *msg; // send to out to write to connection
mu sync.Mutex; // protects pending, idGen mu sync.Mutex; // protects pending, idGen
pending map[uint64]*RPC; pending map[uint64]*RPC;
idGen uint64; // generator for request IDs idGen uint64; // generator for request IDs
} }
// A srv is a single method that the server offers. // A srv is a single method that the server offers.
type srv struct { type srv struct {
num uint32; // method number num uint32; // method number
fmt string; // argument format fmt string; // argument format
} }
// An RPC represents a single RPC issued by a client. // An RPC represents a single RPC issued by a client.
type RPC struct { type RPC struct {
Ret []interface{}; // Return values Ret []interface{}; // Return values
Done chan *RPC; // Channel where notification of done arrives Done chan *RPC; // Channel where notification of done arrives
Errno Errno; // Status code Errno Errno; // Status code
c *Client; c *Client;
id uint64; // request id id uint64; // request id
} }
// NewClient allocates a new client using the file descriptor fd. // NewClient allocates a new client using the file descriptor fd.
...@@ -53,8 +53,8 @@ func NewClient(fd int) (c *Client, err os.Error) { ...@@ -53,8 +53,8 @@ func NewClient(fd int) (c *Client, err os.Error) {
m := &msg{ m := &msg{
protocol: protocol, protocol: protocol,
isReq: true, isReq: true,
Ret: []interface{}{ []byte(nil) }, Ret: []interface{}{[]byte(nil)},
Size: []int{ 4000 }, Size: []int{4000},
}; };
m.packRequest(); m.packRequest();
c.s.send(m); c.s.send(m);
...@@ -72,7 +72,7 @@ func NewClient(fd int) (c *Client, err os.Error) { ...@@ -72,7 +72,7 @@ func NewClient(fd int) (c *Client, err os.Error) {
if i < 0 { if i < 0 {
continue; continue;
} }
c.service[string(line[0:i])] = srv{uint32(n), string(line[i+1:len(line)])}; c.service[string(line[0:i])] = srv{uint32(n), string(line[i+1 : len(line)])};
} }
c.out = make(chan *msg); c.out = make(chan *msg);
...@@ -159,11 +159,11 @@ func (r *RPC) Start(name string, arg []interface{}) { ...@@ -159,11 +159,11 @@ func (r *RPC) Start(name string, arg []interface{}) {
for srv.fmt[i] != ':' { for srv.fmt[i] != ':' {
i++; i++;
} }
fmt := srv.fmt[i+1:len(srv.fmt)]; fmt := srv.fmt[i+1 : len(srv.fmt)];
// Now the return prototypes. // Now the return prototypes.
m.Ret = make([]interface{}, len(fmt) - i); m.Ret = make([]interface{}, len(fmt)-i);
m.Size = make([]int, len(fmt) - i); m.Size = make([]int, len(fmt)-i);
for i := 0; i < len(fmt); i++ { for i := 0; i < len(fmt); i++ {
switch fmt[i] { switch fmt[i] {
default: default:
......
...@@ -17,8 +17,9 @@ import ( ...@@ -17,8 +17,9 @@ import (
// An Errno is an SRPC status code. // An Errno is an SRPC status code.
type Errno uint32 type Errno uint32
const ( const (
OK Errno = 256 + iota; OK Errno = 256+iota;
ErrBreak; ErrBreak;
ErrMessageTruncated; ErrMessageTruncated;
ErrNoMemory; ErrNoMemory;
...@@ -33,27 +34,27 @@ const ( ...@@ -33,27 +34,27 @@ const (
ErrAppError; ErrAppError;
) )
var errstr = [...]string { var errstr = [...]string{
OK-OK: "ok", OK-OK: "ok",
ErrBreak-OK: "break", ErrBreak-OK: "break",
ErrMessageTruncated-OK: "message truncated", ErrMessageTruncated - OK: "message truncated",
ErrNoMemory-OK: "out of memory", ErrNoMemory - OK: "out of memory",
ErrProtocolMismatch-OK: "protocol mismatch", ErrProtocolMismatch - OK: "protocol mismatch",
ErrBadRPCNumber-OK: "invalid RPC method number", ErrBadRPCNumber - OK: "invalid RPC method number",
ErrBadArgType-OK: "unexpected argument type", ErrBadArgType - OK: "unexpected argument type",
ErrTooFewArgs-OK: "too few arguments", ErrTooFewArgs - OK: "too few arguments",
ErrTooManyArgs-OK: "too many arguments", ErrTooManyArgs - OK: "too many arguments",
ErrInArgTypeMismatch-OK: "input argument type mismatch", ErrInArgTypeMismatch - OK: "input argument type mismatch",
ErrOutArgTypeMismatch-OK: "output argument type mismatch", ErrOutArgTypeMismatch - OK: "output argument type mismatch",
ErrInternalError-OK: "internal error", ErrInternalError - OK: "internal error",
ErrAppError-OK: "application error", ErrAppError - OK: "application error",
} }
func (e Errno) String() string { func (e Errno) String() string {
if e < OK || int(e-OK) >= len(errstr) { if e < OK || int(e-OK) >= len(errstr) {
return "Errno(" + strconv.Itoa64(int64(e)) + ")" return "Errno(" + strconv.Itoa64(int64(e)) + ")";
} }
return errstr[e - OK]; return errstr[e-OK];
} }
// A *msgHdr is the data argument to the imc_recvmsg // A *msgHdr is the data argument to the imc_recvmsg
...@@ -61,45 +62,45 @@ func (e Errno) String() string { ...@@ -61,45 +62,45 @@ func (e Errno) String() string {
// counts trusted by the system calls, the data structure is unsafe // counts trusted by the system calls, the data structure is unsafe
// to expose to package clients. // to expose to package clients.
type msgHdr struct { type msgHdr struct {
iov *iov; iov *iov;
niov int32; niov int32;
desc *int32; desc *int32;
ndesc int32; ndesc int32;
flags uint32; flags uint32;
} }
// A single region for I/O. Just as unsafe as msgHdr. // A single region for I/O. Just as unsafe as msgHdr.
type iov struct { type iov struct {
base *byte; base *byte;
len int32; len int32;
} }
// A msg is the Go representation of a message. // A msg is the Go representation of a message.
type msg struct { type msg struct {
rdata []byte; // data being consumed during message parsing rdata []byte; // data being consumed during message parsing
rdesc []int32; // file descriptors being consumed during message parsing rdesc []int32; // file descriptors being consumed during message parsing
wdata []byte; // data being generated when replying wdata []byte; // data being generated when replying
// parsed version of message // parsed version of message
protocol uint32; protocol uint32;
requestId uint64; requestId uint64;
isReq bool; isReq bool;
rpcNumber uint32; rpcNumber uint32;
gotHeader bool; gotHeader bool;
status Errno; // error code sent in response status Errno; // error code sent in response
Arg []interface{}; // method arguments Arg []interface{}; // method arguments
Ret []interface{}; // method results Ret []interface{}; // method results
Size []int; // max sizes for arrays in method results Size []int; // max sizes for arrays in method results
fmt string; // accumulated format string of arg+":"+ret fmt string; // accumulated format string of arg+":"+ret
} }
// A msgReceiver receives messages from a file descriptor. // A msgReceiver receives messages from a file descriptor.
type msgReceiver struct { type msgReceiver struct {
fd int; fd int;
data [128*1024]byte; data [128*1024]byte;
desc [8]int32; desc [8]int32;
hdr msgHdr; hdr msgHdr;
iov iov; iov iov;
} }
func (r *msgReceiver) recv() (*msg, os.Error) { func (r *msgReceiver) recv() (*msg, os.Error) {
...@@ -136,10 +137,9 @@ func (r *msgReceiver) recv() (*msg, os.Error) { ...@@ -136,10 +137,9 @@ func (r *msgReceiver) recv() (*msg, os.Error) {
// A msgSender sends messages on a file descriptor. // A msgSender sends messages on a file descriptor.
type msgSender struct { type msgSender struct {
fd int; fd int;
hdr msgHdr; hdr msgHdr;
iov iov; iov iov;
} }
func (s *msgSender) send(m *msg) os.Error { func (s *msgSender) send(m *msg) os.Error {
...@@ -222,8 +222,8 @@ func (m *msg) grow(n int) []byte { ...@@ -222,8 +222,8 @@ func (m *msg) grow(n int) []byte {
bytes.Copy(a, m.wdata); bytes.Copy(a, m.wdata);
m.wdata = a; m.wdata = a;
} }
m.wdata = m.wdata[0:i+n]; m.wdata = m.wdata[0 : i+n];
return m.wdata[i:i+n]; return m.wdata[i : i+n];
} }
func (m *msg) wuint8(x uint8) { func (m *msg) wuint8(x uint8) {
...@@ -529,4 +529,3 @@ func (m *msg) packResponse() { ...@@ -529,4 +529,3 @@ func (m *msg) packResponse() {
m.wuint32(uint32(len(m.Ret))); m.wuint32(uint32(len(m.Ret)));
m.packValues(m.Ret); m.packValues(m.Ret);
} }
...@@ -22,13 +22,13 @@ import ( ...@@ -22,13 +22,13 @@ import (
// It reads arguments from arg, checks size for array limits, // It reads arguments from arg, checks size for array limits,
// writes return values to ret, and returns an Errno status code. // writes return values to ret, and returns an Errno status code.
type Handler interface { type Handler interface {
Run(arg, ret []interface{}, size []int) Errno Run(arg, ret []interface{}, size []int) Errno;
} }
type method struct { type method struct {
name string; name string;
fmt string; fmt string;
handler Handler; handler Handler;
} }
var rpcMethod []method var rpcMethod []method
...@@ -61,7 +61,7 @@ func Add(name, fmt string, handler Handler) { ...@@ -61,7 +61,7 @@ func Add(name, fmt string, handler Handler) {
} }
rpcMethod = a; rpcMethod = a;
} }
rpcMethod = rpcMethod[0:n+1]; rpcMethod = rpcMethod[0 : n+1];
rpcMethod[n] = method{name, fmt, handler}; rpcMethod[n] = method{name, fmt, handler};
} }
...@@ -175,7 +175,7 @@ func getFd() (fd int, err os.Error) { ...@@ -175,7 +175,7 @@ func getFd() (fd int, err os.Error) {
// Enabled returns true if SRPC is enabled in the Native Client runtime. // Enabled returns true if SRPC is enabled in the Native Client runtime.
func Enabled() bool { func Enabled() bool {
_, err:= getFd(); _, err := getFd();
return err == nil; return err == nil;
} }
...@@ -201,4 +201,3 @@ func (serviceDiscovery) Run(arg, ret []interface{}, size []int) Errno { ...@@ -201,4 +201,3 @@ func (serviceDiscovery) Run(arg, ret []interface{}, size []int) Errno {
func init() { func init() {
Add("service_discovery", ":C", serviceDiscovery{}); Add("service_discovery", ":C", serviceDiscovery{});
} }
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