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Merge pull request #3718 from karalabe/terminal-format-hash

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common, eth/downloader, log: support terminal log formatting
This commit is contained in:
Péter Szilágyi 2017-02-27 20:49:17 +02:00 committed by GitHub
commit dc0a006c7c
4 changed files with 61 additions and 34 deletions
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18
common/types.go
View File

@ -55,6 +55,24 @@ func (h Hash) Bytes() []byte { return h[:] }
func (h Hash) Big() *big.Int { return new(big.Int).SetBytes(h[:]) }
func (h Hash) Hex() string { return hexutil.Encode(h[:]) }
// TerminalString implements log.TerminalStringer, formatting a string for console
// output during logging.
func (h Hash) TerminalString() string {
return fmt.Sprintf("%x…%x", h[:3], h[29:])
}
// String implements the stringer interface and is used also by the logger when
// doing full logging into a file.
func (h Hash) String() string {
return h.Hex()
}
// Format implements fmt.Formatter, forcing the byte slice to be formatted as is,
// without going through the stringer interface used for logging.
func (h Hash) Format(s fmt.State, c rune) {
fmt.Fprintf(s, "%"+string(c), h[:])
}
// UnmarshalJSON parses a hash in its hex from to a hash.
func (h *Hash) UnmarshalJSON(input []byte) error {
return hexutil.UnmarshalJSON("Hash", input, h[:])

34
eth/downloader/downloader.go
View File

@ -383,7 +383,7 @@ func (d *Downloader) syncWithPeer(p *peer, hash common.Hash, td *big.Int) (err e
return errTooOld
}
log.Debug("Synchronising with the network", "peer", p.id, "eth", p.version, "head", hash.Hex()[2:10], "td", td, "mode", d.mode)
log.Debug("Synchronising with the network", "peer", p.id, "eth", p.version, "head", hash, "td", td, "mode", d.mode)
defer func(start time.Time) {
log.Debug("Synchronisation terminated", "elapsed", time.Since(start))
}(time.Now())
@ -544,7 +544,7 @@ func (d *Downloader) fetchHeight(p *peer) (*types.Header, error) {
return nil, errBadPeer
}
head := headers[0]
p.logger.Debug("Remote head header identified", "number", head.Number, "hash", head.Hash().Hex()[2:10])
p.logger.Debug("Remote head header identified", "number", head.Number, "hash", head.Hash())
return head, nil
case <-timeout:
@ -657,10 +657,10 @@ func (d *Downloader) findAncestor(p *peer, height uint64) (uint64, error) {
// If the head fetch already found an ancestor, return
if !common.EmptyHash(hash) {
if int64(number) <= floor {
p.logger.Warn("Ancestor below allowance", "number", number, "hash", hash.Hex()[2:10], "allowance", floor)
p.logger.Warn("Ancestor below allowance", "number", number, "hash", hash, "allowance", floor)
return 0, errInvalidAncestor
}
p.logger.Debug("Found common ancestor", "number", number, "hash", hash.Hex()[2:10])
p.logger.Debug("Found common ancestor", "number", number, "hash", hash)
return number, nil
}
// Ancestor not found, we need to binary search over our chain
@ -704,7 +704,7 @@ func (d *Downloader) findAncestor(p *peer, height uint64) (uint64, error) {
}
header := d.getHeader(headers[0].Hash()) // Independent of sync mode, header surely exists
if header.Number.Uint64() != check {
p.logger.Debug("Received non requested header", "number", header.Number, "hash", header.Hash().Hex()[2:10], "request", check)
p.logger.Debug("Received non requested header", "number", header.Number, "hash", header.Hash(), "request", check)
return 0, errBadPeer
}
start = check
@ -722,10 +722,10 @@ func (d *Downloader) findAncestor(p *peer, height uint64) (uint64, error) {
}
// Ensure valid ancestry and return
if int64(start) <= floor {
p.logger.Warn("Ancestor below allowance", "number", start, "hash", hash.Hex()[2:10], "allowance", floor)
p.logger.Warn("Ancestor below allowance", "number", start, "hash", hash, "allowance", floor)
return 0, errInvalidAncestor
}
p.logger.Debug("Found common ancestor", "number", start, "hash", hash.Hex()[2:10])
p.logger.Debug("Found common ancestor", "number", start, "hash", hash)
return start, nil
}
@ -1208,7 +1208,7 @@ func (d *Downloader) processHeaders(origin uint64, td *big.Int) error {
if atomic.LoadUint32(&d.fsPivotFails) == 0 {
for _, header := range rollback {
if header.Number.Uint64() == pivot {
log.Warn("Fast-sync critical section failure, locked pivot to header", "number", pivot, "hash", header.Hash().Hex()[2:10])
log.Warn("Fast-sync critical section failure, locked pivot to header", "number", pivot, "hash", header.Hash())
d.fsPivotLock = header
}
}
@ -1304,7 +1304,7 @@ func (d *Downloader) processHeaders(origin uint64, td *big.Int) error {
if n > 0 {
rollback = append(rollback, chunk[:n]...)
}
log.Debug("Invalid header encountered", "number", chunk[n].Number, "hash", chunk[n].Hash().Hex()[2:10], "err", err)
log.Debug("Invalid header encountered", "number", chunk[n].Number, "hash", chunk[n].Hash(), "err", err)
return errInvalidChain
}
// All verifications passed, store newly found uncertain headers
@ -1316,7 +1316,7 @@ func (d *Downloader) processHeaders(origin uint64, td *big.Int) error {
// If we're fast syncing and just pulled in the pivot, make sure it's the one locked in
if d.mode == FastSync && d.fsPivotLock != nil && chunk[0].Number.Uint64() <= pivot && chunk[len(chunk)-1].Number.Uint64() >= pivot {
if pivot := chunk[int(pivot-chunk[0].Number.Uint64())]; pivot.Hash() != d.fsPivotLock.Hash() {
log.Warn("Pivot doesn't match locked in one", "remoteNumber", pivot.Number, "remoteHash", pivot.Hash().Hex()[2:10], "localNumber", d.fsPivotLock.Number, "localHash", d.fsPivotLock.Hash().Hex()[2:10])
log.Warn("Pivot doesn't match locked in one", "remoteNumber", pivot.Number, "remoteHash", pivot.Hash(), "localNumber", d.fsPivotLock.Number, "localHash", d.fsPivotLock.Hash())
return errInvalidChain
}
}
@ -1366,13 +1366,9 @@ func (d *Downloader) processContent() error {
// Actually import the blocks
first, last := results[0].Header, results[len(results)-1].Header
log.Debug("Inserting downloaded chain", "items", len(results),
"from", log.Lazy{Fn: func() string {
return fmt.Sprintf("#%d [%x…]", first.Number, first.Hash().Bytes()[:4])
}},
"till", log.Lazy{Fn: func() string {
return fmt.Sprintf("#%d [%x…]", last.Number, last.Hash().Bytes()[:4])
}})
"firstnum", first.Number, "firsthash", first.Hash(),
"lastnum", last.Number, "lasthash", last.Hash(),
)
for len(results) != 0 {
// Check for any termination requests
select {
@ -1406,14 +1402,14 @@ func (d *Downloader) processContent() error {
case len(receipts) > 0:
index, err = d.insertReceipts(blocks, receipts)
if err == nil && blocks[len(blocks)-1].NumberU64() == pivot {
log.Debug("Committing block as new head", "number", blocks[len(blocks)-1].Number(), "hash", blocks[len(blocks)-1].Hash().Hex()[2:10])
log.Debug("Committing block as new head", "number", blocks[len(blocks)-1].Number(), "hash", blocks[len(blocks)-1].Hash())
index, err = len(blocks)-1, d.commitHeadBlock(blocks[len(blocks)-1].Hash())
}
default:
index, err = d.insertBlocks(blocks)
}
if err != nil {
log.Debug("Downloaded item processing failed", "number", results[index].Header.Number, "hash", results[index].Header.Hash().Hex()[2:10], "err", err)
log.Debug("Downloaded item processing failed", "number", results[index].Header.Number, "hash", results[index].Header.Hash(), "err", err)
return errInvalidChain
}
// Shift the results to the next batch

18
eth/downloader/queue.go
View File

@ -364,20 +364,20 @@ func (q *queue) Schedule(headers []*types.Header, from uint64) []*types.Header {
// Make sure chain order is honoured and preserved throughout
hash := header.Hash()
if header.Number == nil || header.Number.Uint64() != from {
log.Warn("Header broke chain ordering", "number", header.Number, "hash", hash.Hex()[2:10], "expected", from)
log.Warn("Header broke chain ordering", "number", header.Number, "hash", hash, "expected", from)
break
}
if q.headerHead != (common.Hash{}) && q.headerHead != header.ParentHash {
log.Warn("Header broke chain ancestry", "number", header.Number, "hash", hash.Hex()[2:10])
log.Warn("Header broke chain ancestry", "number", header.Number, "hash", hash)
break
}
// Make sure no duplicate requests are executed
if _, ok := q.blockTaskPool[hash]; ok {
log.Warn("Header already scheduled for block fetch", "number", header.Number, "hash", hash.Hex()[2:10])
log.Warn("Header already scheduled for block fetch", "number", header.Number, "hash", hash)
continue
}
if _, ok := q.receiptTaskPool[hash]; ok {
log.Warn("Header already scheduled for receipt fetch", "number", header.Number, "hash", hash.Hex()[2:10])
log.Warn("Header already scheduled for receipt fetch", "number", header.Number, "hash", hash)
continue
}
// Queue the header for content retrieval
@ -391,7 +391,7 @@ func (q *queue) Schedule(headers []*types.Header, from uint64) []*types.Header {
}
if q.mode == FastSync && header.Number.Uint64() == q.fastSyncPivot {
// Pivoting point of the fast sync, switch the state retrieval to this
log.Debug("Switching state downloads to new block", "number", header.Number, "hash", hash.Hex()[2:10])
log.Debug("Switching state downloads to new block", "number", header.Number, "hash", hash)
q.stateTaskIndex = 0
q.stateTaskPool = make(map[common.Hash]int)
@ -872,10 +872,10 @@ func (q *queue) DeliverHeaders(id string, headers []*types.Header, headerProcCh
accepted := len(headers) == MaxHeaderFetch
if accepted {
if headers[0].Number.Uint64() != request.From {
log.Trace("First header broke chain ordering", "peer", id, "number", headers[0].Number, "hash", headers[0].Hash().Hex()[2:10], request.From)
log.Trace("First header broke chain ordering", "peer", id, "number", headers[0].Number, "hash", headers[0].Hash(), request.From)
accepted = false
} else if headers[len(headers)-1].Hash() != target {
log.Trace("Last header broke skeleton structure ", "peer", id, "number", headers[len(headers)-1].Number, "hash", headers[len(headers)-1].Hash().Hex()[2:10], "expected", target.Hex()[2:10])
log.Trace("Last header broke skeleton structure ", "peer", id, "number", headers[len(headers)-1].Number, "hash", headers[len(headers)-1].Hash(), "expected", target)
accepted = false
}
}
@ -883,12 +883,12 @@ func (q *queue) DeliverHeaders(id string, headers []*types.Header, headerProcCh
for i, header := range headers[1:] {
hash := header.Hash()
if want := request.From + 1 + uint64(i); header.Number.Uint64() != want {
log.Warn("Header broke chain ordering", "peer", id, "number", header.Number, "hash", hash.Hex()[2:10], "expected", want)
log.Warn("Header broke chain ordering", "peer", id, "number", header.Number, "hash", hash, "expected", want)
accepted = false
break
}
if headers[i].Hash() != header.ParentHash {
log.Warn("Header broke chain ancestry", "peer", id, "number", header.Number, "hash", hash.Hex()[2:10])
log.Warn("Header broke chain ancestry", "peer", id, "number", header.Number, "hash", hash)
accepted = false
break
}

25
log/format.go
View File

@ -59,6 +59,13 @@ func (f formatFunc) Format(r *Record) []byte {
return f(r)
}
// TerminalStringer is an analogous interface to the stdlib stringer, allowing
// own types to have custom shortened serialization formats when printed to the
// screen.
type TerminalStringer interface {
TerminalString() string
}
// TerminalFormat formats log records optimized for human readability on
// a terminal with color-coded level output and terser human friendly timestamp.
// This format should only be used for interactive programs or while developing.
@ -124,7 +131,7 @@ func TerminalFormat(usecolor bool) Format {
}
// print the keys logfmt style
logfmt(b, r.Ctx, color)
logfmt(b, r.Ctx, color, true)
return b.Bytes()
})
}
@ -138,21 +145,21 @@ func LogfmtFormat() Format {
return FormatFunc(func(r *Record) []byte {
common := []interface{}{r.KeyNames.Time, r.Time, r.KeyNames.Lvl, r.Lvl, r.KeyNames.Msg, r.Msg}
buf := &bytes.Buffer{}
logfmt(buf, append(common, r.Ctx...), 0)
logfmt(buf, append(common, r.Ctx...), 0, false)
return buf.Bytes()
})
}
func logfmt(buf *bytes.Buffer, ctx []interface{}, color int) {
func logfmt(buf *bytes.Buffer, ctx []interface{}, color int, term bool) {
for i := 0; i < len(ctx); i += 2 {
if i != 0 {
buf.WriteByte(' ')
}
k, ok := ctx[i].(string)
v := formatLogfmtValue(ctx[i+1])
v := formatLogfmtValue(ctx[i+1], term)
if !ok {
k, v = errorKey, formatLogfmtValue(k)
k, v = errorKey, formatLogfmtValue(k, term)
}
// XXX: we should probably check that all of your key bytes aren't invalid
@ -253,7 +260,7 @@ func formatJsonValue(value interface{}) interface{} {
}
// formatValue formats a value for serialization
func formatLogfmtValue(value interface{}) string {
func formatLogfmtValue(value interface{}, term bool) string {
if value == nil {
return "nil"
}
@ -264,6 +271,12 @@ func formatLogfmtValue(value interface{}) string {
// expensive.
return t.Format(timeFormat)
}
if term {
if s, ok := value.(TerminalStringer); ok {
// Custom terminal stringer provided, use that
return escapeString(s.TerminalString())
}
}
value = formatShared(value)
switch v := value.(type) {
case bool: