From 8b81ad1fc40080af441c0c6df94f0b2ea46e320b Mon Sep 17 00:00:00 2001
From: zelig <viktor.tron@gmail.com>
Date: Tue, 22 Sep 2015 10:34:58 +0200
Subject: console: * lines with leading space are ommitted from history * exit
 processed even with whitespace around * all whitespace lines (not only empty
 ones) are ignored

add 7 missing commands to admin api autocomplete

registrar: methods now return proper error if reg addresses are not set. fixes #1457

rpc/console: fix personal.newAccount() regression. Now all comms accept interactive password

registrar: add registrar tests for errors

crypto: catch AES decryption error on presale wallet import + fix error msg format. fixes #1580

CLI: improve error message when starting a second instance of geth. fixes #1564

cli/accounts: unlock multiple accounts. fixes #1785
* make unlocking multiple accounts work with inline <() fd
* passwdfile now correctly read only once
* improve logs
* fix CLI help text for unlocking

fix regression with docRoot / admin API
* docRoot/jspath passed to rpc/api ParseApis, which passes onto adminApi
* docRoot field for JS console in order to pass when RPC is (re)started
* improve flag desc for jspath

common/docserver: catch http errors from response

fix rpc/api tests

common/natspec: fix end to end test (skipped because takes 8s)

registrar: fix major regression:
* deploy registrars on frontier
* register HashsReg and UrlHint in GlobalRegistrar.
* set all 3 contract addresses in code
* zero out addresses first in tests
---
 eth/backend.go | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'eth')

diff --git a/eth/backend.go b/eth/backend.go
index a4f656ecd..6ce0d0eb0 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -26,7 +26,9 @@ import (
 	"math/big"
 	"os"
 	"path/filepath"
+	"regexp"
 	"strings"
+	"syscall"
 	"time"
 
 	"github.com/ethereum/ethash"
@@ -62,6 +64,9 @@ const (
 var (
 	jsonlogger = logger.NewJsonLogger()
 
+	datadirInUseErrNos = []uint{11, 32, 35}
+	portInUseErrRE     = regexp.MustCompile("address already in use")
+
 	defaultBootNodes = []*discover.Node{
 		// ETH/DEV Go Bootnodes
 		discover.MustParseNode("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303"), // IE
@@ -282,6 +287,17 @@ func New(config *Config) (*Ethereum, error) {
 	// Open the chain database and perform any upgrades needed
 	chainDb, err := newdb(filepath.Join(config.DataDir, "chaindata"))
 	if err != nil {
+		var ok bool
+		errno := uint(err.(syscall.Errno))
+		for _, no := range datadirInUseErrNos {
+			if errno == no {
+				ok = true
+				break
+			}
+		}
+		if ok {
+			err = fmt.Errorf("%v (check if another instance of geth is already running with the same data directory '%s')", err, config.DataDir)
+		}
 		return nil, fmt.Errorf("blockchain db err: %v", err)
 	}
 	if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
@@ -296,6 +312,16 @@ func New(config *Config) (*Ethereum, error) {
 
 	dappDb, err := newdb(filepath.Join(config.DataDir, "dapp"))
 	if err != nil {
+		var ok bool
+		for _, no := range datadirInUseErrNos {
+			if uint(err.(syscall.Errno)) == no {
+				ok = true
+				break
+			}
+		}
+		if ok {
+			err = fmt.Errorf("%v (check if another instance of geth is already running with the same data directory '%s')", err, config.DataDir)
+		}
 		return nil, fmt.Errorf("dapp db err: %v", err)
 	}
 	if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
@@ -553,6 +579,9 @@ func (s *Ethereum) Start() error {
 	})
 	err := s.net.Start()
 	if err != nil {
+		if portInUseErrRE.MatchString(err.Error()) {
+			err = fmt.Errorf("%v (possibly another instance of geth is using the same port)", err)
+		}
 		return err
 	}
 
-- 
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