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feat(bsync): initial Receivers implementation, HTTP support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package bsync | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
|
|
||
| "github.com/qri-io/qri/manifest" | ||
| ) | ||
|
|
||
| // HTTPRemote implents the Remote interface via HTTP POST requests | ||
| type HTTPRemote struct { | ||
| URL string | ||
| } | ||
|
|
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| // ReqSend initiates a send session | ||
| func (rem *HTTPRemote) ReqSend(mfst *manifest.Manifest) (sid string, diff *manifest.Manifest, err error) { | ||
| buf := &bytes.Buffer{} | ||
| if err = json.NewEncoder(buf).Encode(mfst); err != nil { | ||
| return | ||
| } | ||
|
|
||
| req, err := http.NewRequest("POST", rem.URL, buf) | ||
| if err != nil { | ||
| return | ||
| } | ||
| req.Header.Set("Content-Type", "application/json") | ||
|
|
||
| res, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return | ||
| } | ||
|
|
||
| if res.StatusCode != http.StatusOK { | ||
| err = fmt.Errorf("remote repsonse: %d", res.StatusCode) | ||
| return | ||
| } | ||
|
|
||
| sid = res.Header.Get("sid") | ||
| diff = &manifest.Manifest{} | ||
| err = json.NewDecoder(res.Body).Decode(diff) | ||
|
|
||
| return | ||
| } | ||
|
|
||
| // SendBlock sends a block over HTTP to a remote source | ||
| func (rem *HTTPRemote) SendBlock(sid, hash string, data []byte) Response { | ||
| url := fmt.Sprintf("%s?sid=%s&hash=%s", rem.URL, sid, hash) | ||
| req, err := http.NewRequest("PUT", url, bytes.NewBuffer(data)) | ||
| if err != nil { | ||
| return Response{ | ||
| Hash: hash, | ||
| Status: StatusErrored, | ||
| Err: err, | ||
| } | ||
| } | ||
| req.Header.Set("Content-Type", "application/octet-stream") | ||
|
|
||
| res, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return Response{ | ||
| Hash: hash, | ||
| Status: StatusErrored, | ||
| Err: err, | ||
| } | ||
| } | ||
|
|
||
| if res.StatusCode != http.StatusOK { | ||
| return Response{ | ||
| Hash: hash, | ||
| Status: StatusRetry, | ||
| } | ||
| } | ||
|
|
||
| return Response{ | ||
| Hash: hash, | ||
| Status: StatusOk, | ||
| } | ||
| } |
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