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-rw-r--r--swarm/api/api.go104
1 files changed, 31 insertions, 73 deletions
diff --git a/swarm/api/api.go b/swarm/api/api.go
index 7af27208d..ba1156f7e 100644
--- a/swarm/api/api.go
+++ b/swarm/api/api.go
@@ -17,6 +17,7 @@
package api
import (
+ "errors"
"fmt"
"io"
"net/http"
@@ -70,86 +71,50 @@ func (self *Api) Store(data io.Reader, size int64, wg *sync.WaitGroup) (key stor
type ErrResolve error
// DNS Resolver
-func (self *Api) Resolve(hostPort string, nameresolver bool) (storage.Key, error) {
- log.Trace(fmt.Sprintf("Resolving : %v", hostPort))
- if hashMatcher.MatchString(hostPort) || self.dns == nil {
- log.Trace(fmt.Sprintf("host is a contentHash: '%v'", hostPort))
- return storage.Key(common.Hex2Bytes(hostPort)), nil
+func (self *Api) Resolve(uri *URI) (storage.Key, error) {
+ log.Trace(fmt.Sprintf("Resolving : %v", uri.Addr))
+ if hashMatcher.MatchString(uri.Addr) {
+ log.Trace(fmt.Sprintf("addr is a hash: %q", uri.Addr))
+ return storage.Key(common.Hex2Bytes(uri.Addr)), nil
}
- if !nameresolver {
- return nil, fmt.Errorf("'%s' is not a content hash value.", hostPort)
+ if uri.Immutable() {
+ return nil, errors.New("refusing to resolve immutable address")
}
- contentHash, err := self.dns.Resolve(hostPort)
- if err != nil {
- err = ErrResolve(err)
- log.Warn(fmt.Sprintf("DNS error : %v", err))
- }
- log.Trace(fmt.Sprintf("host lookup: %v -> %v", hostPort, contentHash))
- return contentHash[:], err
-}
-func Parse(uri string) (hostPort, path string) {
- if uri == "" {
- return
- }
- parts := slashes.Split(uri, 3)
- var i int
- if len(parts) == 0 {
- return
+ if self.dns == nil {
+ return nil, fmt.Errorf("unable to resolve addr %q, resolver not configured", uri.Addr)
}
- // beginning with slash is now optional
- for len(parts[i]) == 0 {
- i++
- }
- hostPort = parts[i]
- for i < len(parts)-1 {
- i++
- if len(path) > 0 {
- path = path + "/" + parts[i]
- } else {
- path = parts[i]
- }
+ hash, err := self.dns.Resolve(uri.Addr)
+ if err != nil {
+ log.Warn(fmt.Sprintf("DNS error resolving addr %q: %s", uri.Addr, err))
+ return nil, ErrResolve(err)
}
- log.Debug(fmt.Sprintf("host: '%s', path '%s' requested.", hostPort, path))
- return
-}
-
-func (self *Api) parseAndResolve(uri string, nameresolver bool) (key storage.Key, hostPort, path string, err error) {
- hostPort, path = Parse(uri)
- //resolving host and port
- contentHash, err := self.Resolve(hostPort, nameresolver)
- log.Debug(fmt.Sprintf("Resolved '%s' to contentHash: '%s', path: '%s'", uri, contentHash, path))
- return contentHash[:], hostPort, path, err
+ log.Trace(fmt.Sprintf("addr lookup: %v -> %v", uri.Addr, hash))
+ return hash[:], nil
}
// Put provides singleton manifest creation on top of dpa store
-func (self *Api) Put(content, contentType string) (string, error) {
+func (self *Api) Put(content, contentType string) (storage.Key, error) {
r := strings.NewReader(content)
wg := &sync.WaitGroup{}
key, err := self.dpa.Store(r, int64(len(content)), wg, nil)
if err != nil {
- return "", err
+ return nil, err
}
manifest := fmt.Sprintf(`{"entries":[{"hash":"%v","contentType":"%s"}]}`, key, contentType)
r = strings.NewReader(manifest)
key, err = self.dpa.Store(r, int64(len(manifest)), wg, nil)
if err != nil {
- return "", err
+ return nil, err
}
wg.Wait()
- return key.String(), nil
+ return key, nil
}
// Get uses iterative manifest retrieval and prefix matching
// to resolve path to content using dpa retrieve
// it returns a section reader, mimeType, status and an error
-func (self *Api) Get(uri string, nameresolver bool) (reader storage.LazySectionReader, mimeType string, status int, err error) {
- key, _, path, err := self.parseAndResolve(uri, nameresolver)
- if err != nil {
- return nil, "", 500, fmt.Errorf("can't resolve: %v", err)
- }
-
- quitC := make(chan bool)
- trie, err := loadManifest(self.dpa, key, quitC)
+func (self *Api) Get(key storage.Key, path string) (reader storage.LazySectionReader, mimeType string, status int, err error) {
+ trie, err := loadManifest(self.dpa, key, nil)
if err != nil {
log.Warn(fmt.Sprintf("loadManifestTrie error: %v", err))
return
@@ -173,32 +138,25 @@ func (self *Api) Get(uri string, nameresolver bool) (reader storage.LazySectionR
return
}
-func (self *Api) Modify(uri, contentHash, contentType string, nameresolver bool) (newRootHash string, err error) {
- root, _, path, err := self.parseAndResolve(uri, nameresolver)
- if err != nil {
- return "", fmt.Errorf("can't resolve: %v", err)
- }
-
+func (self *Api) Modify(key storage.Key, path, contentHash, contentType string) (storage.Key, error) {
quitC := make(chan bool)
- trie, err := loadManifest(self.dpa, root, quitC)
+ trie, err := loadManifest(self.dpa, key, quitC)
if err != nil {
- return
+ return nil, err
}
-
if contentHash != "" {
- entry := &manifestTrieEntry{
+ entry := newManifestTrieEntry(&ManifestEntry{
Path: path,
- Hash: contentHash,
ContentType: contentType,
- }
+ }, nil)
+ entry.Hash = contentHash
trie.addEntry(entry, quitC)
} else {
trie.deleteEntry(path, quitC)
}
- err = trie.recalcAndStore()
- if err != nil {
- return
+ if err := trie.recalcAndStore(); err != nil {
+ return nil, err
}
- return trie.hash.String(), nil
+ return trie.hash, nil
}