diff options
Diffstat (limited to 'cmd/utils')
-rw-r--r-- | cmd/utils/client.go | 121 | ||||
-rw-r--r-- | cmd/utils/flags.go | 94 |
2 files changed, 39 insertions, 176 deletions
diff --git a/cmd/utils/client.go b/cmd/utils/client.go index 40ebcd729..3913d007b 100644 --- a/cmd/utils/client.go +++ b/cmd/utils/client.go @@ -17,132 +17,14 @@ package utils import ( - "encoding/json" "fmt" - "strings" "github.com/codegangsta/cli" - "github.com/ethereum/go-ethereum/eth" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/rpc" ) -// NewInProcRPCClient will start a new RPC server for the given node and returns a client to interact with it. -func NewInProcRPCClient(stack *node.Node) *inProcClient { - server := rpc.NewServer() - - offered := stack.APIs() - for _, api := range offered { - server.RegisterName(api.Namespace, api.Service) - } - - web3 := node.NewPublicWeb3API(stack) - server.RegisterName("web3", web3) - - var ethereum *eth.Ethereum - if err := stack.Service(ðereum); err == nil { - net := eth.NewPublicNetAPI(stack.Server(), ethereum.NetVersion()) - server.RegisterName("net", net) - } else { - glog.V(logger.Warn).Infof("%v\n", err) - } - - buf := &buf{ - requests: make(chan []byte), - responses: make(chan []byte), - } - client := &inProcClient{ - server: server, - buf: buf, - } - - go func() { - server.ServeCodec(rpc.NewJSONCodec(client.buf)) - }() - - return client -} - -// buf represents the connection between the RPC server and console -type buf struct { - readBuf []byte // store remaining request bytes after a partial read - requests chan []byte // list with raw serialized requests - responses chan []byte // list with raw serialized responses -} - -// will read the next request in json format -func (b *buf) Read(p []byte) (int, error) { - // last read didn't read entire request, return remaining bytes - if len(b.readBuf) > 0 { - n := copy(p, b.readBuf) - if n < len(b.readBuf) { - b.readBuf = b.readBuf[:n] - } else { - b.readBuf = b.readBuf[:0] - } - return n, nil - } - - // read next request - req := <-b.requests - n := copy(p, req) - if n < len(req) { - // buf too small, store remaining chunk for next read - b.readBuf = req[n:] - } - - return n, nil -} - -// Write send the given buffer to the backend -func (b *buf) Write(p []byte) (n int, err error) { - b.responses <- p - return len(p), nil -} - -// Close cleans up obtained resources. -func (b *buf) Close() error { - close(b.requests) - close(b.responses) - - return nil -} - -// inProcClient starts a RPC server and uses buf to communicate with it. -type inProcClient struct { - server *rpc.Server - buf *buf -} - -// Close will stop the RPC server -func (c *inProcClient) Close() { - c.server.Stop() -} - -// Send a msg to the endpoint -func (c *inProcClient) Send(msg interface{}) error { - d, err := json.Marshal(msg) - if err != nil { - return err - } - c.buf.requests <- d - return nil -} - -// Recv reads a message and tries to parse it into the given msg -func (c *inProcClient) Recv(msg interface{}) error { - data := <-c.buf.responses - return json.Unmarshal(data, &msg) -} - -// Returns the collection of modules the RPC server offers. -func (c *inProcClient) SupportedModules() (map[string]string, error) { - return rpc.SupportedModules(c) -} - // NewRemoteRPCClient returns a RPC client which connects to a running geth instance. // Depending on the given context this can either be a IPC or a HTTP client. func NewRemoteRPCClient(ctx *cli.Context) (rpc.Client, error) { @@ -151,7 +33,7 @@ func NewRemoteRPCClient(ctx *cli.Context) (rpc.Client, error) { return NewRemoteRPCClientFromString(endpoint) } // use IPC by default - return rpc.NewIPCClient(node.DefaultIpcEndpoint()) + return rpc.NewIPCClient(node.DefaultIPCEndpoint()) } // NewRemoteRPCClientFromString returns a RPC client which connects to the given @@ -169,6 +51,5 @@ func NewRemoteRPCClientFromString(endpoint string) (rpc.Client, error) { if strings.HasPrefix(endpoint, "ws:") { return rpc.NewWSClient(endpoint) } - return nil, fmt.Errorf("invalid endpoint") } diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index ca9fd74ba..8e89b9fb1 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -18,7 +18,6 @@ package utils import ( "crypto/ecdsa" - "errors" "fmt" "io/ioutil" "math" @@ -233,12 +232,12 @@ var ( RPCListenAddrFlag = cli.StringFlag{ Name: "rpcaddr", Usage: "HTTP-RPC server listening interface", - Value: "127.0.0.1", + Value: common.DefaultHTTPHost, } RPCPortFlag = cli.IntFlag{ Name: "rpcport", Usage: "HTTP-RPC server listening port", - Value: 8545, + Value: common.DefaultHTTPPort, } RPCCORSDomainFlag = cli.StringFlag{ Name: "rpccorsdomain", @@ -248,7 +247,7 @@ var ( RPCApiFlag = cli.StringFlag{ Name: "rpcapi", Usage: "API's offered over the HTTP-RPC interface", - Value: rpc.DefaultHttpRpcApis, + Value: rpc.DefaultHTTPApis, } IPCDisabledFlag = cli.BoolFlag{ Name: "ipcdisable", @@ -257,12 +256,12 @@ var ( IPCApiFlag = cli.StringFlag{ Name: "ipcapi", Usage: "API's offered over the IPC-RPC interface", - Value: rpc.DefaultIpcApis, + Value: rpc.DefaultIPCApis, } IPCPathFlag = DirectoryFlag{ Name: "ipcpath", Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)", - Value: DirectoryString{common.DefaultIpcSocket()}, + Value: DirectoryString{common.DefaultIPCSocket}, } WSEnabledFlag = cli.BoolFlag{ Name: "ws", @@ -271,21 +270,21 @@ var ( WSListenAddrFlag = cli.StringFlag{ Name: "wsaddr", Usage: "WS-RPC server listening interface", - Value: "127.0.0.1", + Value: common.DefaultWSHost, } WSPortFlag = cli.IntFlag{ Name: "wsport", Usage: "WS-RPC server listening port", - Value: 8546, + Value: common.DefaultWSPort, } WSApiFlag = cli.StringFlag{ Name: "wsapi", Usage: "API's offered over the WS-RPC interface", - Value: rpc.DefaultHttpRpcApis, + Value: rpc.DefaultHTTPApis, } WSAllowedDomainsFlag = cli.StringFlag{ Name: "wsdomains", - Usage: "Domains from which to accept websockets requests", + Usage: "Domains from which to accept websockets requests (can be spoofed)", Value: "", } ExecFlag = cli.StringFlag{ @@ -394,9 +393,9 @@ func MustMakeDataDir(ctx *cli.Context) string { return "" } -// MakeIpcPath creates an IPC path configuration from the set command line flags, +// MakeIPCPath creates an IPC path configuration from the set command line flags, // returning an empty string if IPC was explicitly disabled, or the set path. -func MakeIpcPath(ctx *cli.Context) string { +func MakeIPCPath(ctx *cli.Context) string { if ctx.GlobalBool(IPCDisabledFlag.Name) { return "" } @@ -482,6 +481,24 @@ func MakeNAT(ctx *cli.Context) nat.Interface { return natif } +// MakeHTTPRpcHost creates the HTTP RPC listener interface string from the set +// command line flags, returning empty if the HTTP endpoint is disabled. +func MakeHTTPRpcHost(ctx *cli.Context) string { + if !ctx.GlobalBool(RPCEnabledFlag.Name) { + return "" + } + return ctx.GlobalString(RPCListenAddrFlag.Name) +} + +// MakeWSRpcHost creates the WebSocket RPC listener interface string from the set +// command line flags, returning empty if the HTTP endpoint is disabled. +func MakeWSRpcHost(ctx *cli.Context) string { + if !ctx.GlobalBool(WSEnabledFlag.Name) { + return "" + } + return ctx.GlobalString(WSListenAddrFlag.Name) +} + // MakeGenesisBlock loads up a genesis block from an input file specified in the // command line, or returns the empty string if none set. func MakeGenesisBlock(ctx *cli.Context) string { @@ -591,7 +608,6 @@ func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node. // Configure the node's service container stackConf := &node.Config{ DataDir: MustMakeDataDir(ctx), - IpcPath: MakeIpcPath(ctx), PrivateKey: MakeNodeKey(ctx), Name: MakeNodeName(name, version, ctx), NoDiscovery: ctx.GlobalBool(NoDiscoverFlag.Name), @@ -600,6 +616,15 @@ func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node. NAT: MakeNAT(ctx), MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name), MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name), + IPCPath: MakeIPCPath(ctx), + HTTPHost: MakeHTTPRpcHost(ctx), + HTTPPort: ctx.GlobalInt(RPCPortFlag.Name), + HTTPCors: ctx.GlobalString(RPCCORSDomainFlag.Name), + HTTPModules: strings.Split(ctx.GlobalString(RPCApiFlag.Name), ","), + WSHost: MakeWSRpcHost(ctx), + WSPort: ctx.GlobalInt(WSPortFlag.Name), + WSDomains: ctx.GlobalString(WSAllowedDomainsFlag.Name), + WSModules: strings.Split(ctx.GlobalString(WSApiFlag.Name), ","), } // Configure the Ethereum service accman := MakeAccountManager(ctx) @@ -740,48 +765,5 @@ func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database if err != nil { Fatalf("Could not start chainmanager: %v", err) } - return chain, chainDb } - -// StartRPC starts a HTTP JSON-RPC API server. -func StartRPC(stack *node.Node, ctx *cli.Context) error { - for _, api := range stack.APIs() { - if adminApi, ok := api.Service.(*node.PrivateAdminAPI); ok { - address := ctx.GlobalString(RPCListenAddrFlag.Name) - port := ctx.GlobalInt(RPCPortFlag.Name) - cors := ctx.GlobalString(RPCCORSDomainFlag.Name) - apiStr := "" - if ctx.GlobalIsSet(RPCApiFlag.Name) { - apiStr = ctx.GlobalString(RPCApiFlag.Name) - } - - _, err := adminApi.StartRPC(address, port, cors, apiStr) - return err - } - } - - glog.V(logger.Error).Infof("Unable to start RPC-HTTP interface, could not find admin API") - return errors.New("Unable to start RPC-HTTP interface") -} - -// StartWS starts a websocket JSON-RPC API server. -func StartWS(stack *node.Node, ctx *cli.Context) error { - for _, api := range stack.APIs() { - if adminApi, ok := api.Service.(*node.PrivateAdminAPI); ok { - address := ctx.GlobalString(WSListenAddrFlag.Name) - port := ctx.GlobalInt(WSAllowedDomainsFlag.Name) - allowedDomains := ctx.GlobalString(WSAllowedDomainsFlag.Name) - apiStr := "" - if ctx.GlobalIsSet(WSApiFlag.Name) { - apiStr = ctx.GlobalString(WSApiFlag.Name) - } - - _, err := adminApi.StartWS(address, port, allowedDomains, apiStr) - return err - } - } - - glog.V(logger.Error).Infof("Unable to start RPC-WS interface, could not find admin API") - return errors.New("Unable to start RPC-WS interface") -} |