Xuanwo opened a new issue, #2152:
URL: https://github.com/apache/incubator-opendal/issues/2152
Some services (gcs, azblob) suppoprt batch request via `multipart/mixed`
For examples:
## Request
```http
POST /batch/storage/v1 HTTP/1.1
Host: storage.googleapis.com
Content-Length: 960
Content-Type: multipart/mixed;
boundary="===============7330845974216740156=="
Authorization: Bearer
ya29.AHES6ZRVmB7fkLtd1XTmq6mo0S1wqZZi3-Lh_s-6Uw7p8vtgSwg
--===============7330845974216740156==
Content-Type: application/http
Content-Transfer-Encoding: binary
Content-ID: <b29c5de2-0db4-490b-b421-6a51b598bd22+1>
PATCH /storage/v1/b/example-bucket/o/obj1 HTTP/1.1
Content-Type: application/json
accept: application/json
content-length: 31
{"metadata": {"type": "tabby"}}
--===============7330845974216740156==
Content-Type: application/http
Content-Transfer-Encoding: binary
Content-ID: <b29c5de2-0db4-490b-b421-6a51b598bd22+2>
PATCH /storage/v1/b/example-bucket/o/obj2 HTTP/1.1
Content-Type: application/json
accept: application/json
content-length: 32
{"metadata": {"type": "tuxedo"}}
--===============7330845974216740156==
Content-Type: application/http
Content-Transfer-Encoding: binary
Content-ID: <b29c5de2-0db4-490b-b421-6a51b598bd22+3>
PATCH /storage/v1/b/example-bucket/o/obj3 HTTP/1.1
Content-Type: application/json
accept: application/json
content-length: 32
{"metadata": {"type": "calico"}}
--===============7330845974216740156==--
```
## Response
```http
HTTP/1.1 200 OK
Content-Type: multipart/mixed; boundary=batch_pK7JBAk73-E=_AA5eFwv4m2Q=
Date: Mon, 22 Jan 2018 18:56:00 GMT
Expires: Mon, 22 Jan 2018 18:56:00 GMT
Cache-Control: private, max-age=0
Content-Length: 3767
--batch_pK7JBAk73-E=_AA5eFwv4m2Q=
Content-Type: application/http
Content-ID: <response-b29c5de2-0db4-490b-b421-6a51b598bd22+1>
HTTP/1.1 200 OK
ETag: "lGaP-E0memYDumK16YuUDM_6Gf0/V43j6azD55CPRGb9b6uytDYl61Y"
Content-Type: application/json; charset=UTF-8
Date: Mon, 22 Jan 2018 18:56:00 GMT
Expires: Mon, 22 Jan 2018 18:56:00 GMT
Cache-Control: private, max-age=0
Content-Length: 846
{
"kind": "storage#object",
"id": "example-bucket/obj1/1495822576643790",
.
.
.
"metadata": {
"type": "tabby"
},
.
.
.
}
--batch_pK7JBAk73-E=_AA5eFwv4m2Q=
Content-Type: application/http
Content-ID: <response-b29c5de2-0db4-490b-b421-6a51b598bd22+2>
HTTP/1.1 200 OK
ETag: "lGaP-E0memYDumK16YuUDM_6Gf0/91POdd-sxSAkJnS8Dm7wMxBSDKk"
Content-Type: application/json; charset=UTF-8
Date: Mon, 22 Jan 2018 18:56:00 GMT
Expires: Mon, 22 Jan 2018 18:56:00 GMT
Cache-Control: private, max-age=0
Content-Length: 846
{
"kind": "storage#object",
"id": "example-bucket/obj2/1495822576643790",
.
.
.
"metadata": {
"type": "tuxedo"
},
.
.
.
}
--batch_pK7JBAk73-E=_AA5eFwv4m2Q=
Content-Type: application/http
Content-ID: <response-b29c5de2-0db4-490b-b421-6a51b598bd22+3>
HTTP/1.1 200 OK
ETag: "lGaP-E0memYDumK16YuUDM_6Gf0/d2Z1F1_ZVbB1dC0YKM9rX5VAgIQ"
Content-Type: application/json; charset=UTF-8
Date: Mon, 22 Jan 2018 18:56:00 GMT
Expires: Mon, 22 Jan 2018 18:56:00 GMT
Cache-Control: private, max-age=0
Content-Length: 846
{
"kind": "storage#object",
"id": "example-bucket/obj3/1495822576643790",
.
.
.
"metadata": {
"type": "calico"
},
.
.
.
}
--batch_pK7JBAk73-E=_AA5eFwv4m2Q=--
```
## Tasks
It's better for opendal to provide build and parse support in http_util.
- [ ] Implemenet `AsyncBody::MultipartMixed(bounary, requests)`
- [ ] Support parsing returning multipart-mixed response
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