use azure_storage::prelude::*;
use azure_storage_blobs::prelude::*;
use futures::stream::StreamExt;
use uuid::Uuid;
#[tokio::main]
async fn main() -> azure_core::Result<()> {
tracing_subscriber::fmt().init();
let account =
std::env::var("STORAGE_ACCOUNT").expect("Set env variable STORAGE_ACCOUNT first!");
let access_key =
std::env::var("STORAGE_ACCESS_KEY").expect("Set env variable STORAGE_ACCESS_KEY first!");
let container_name = format!("range-example-{}", Uuid::new_v4());
let blob_name = format!("blob-{}.txt", Uuid::new_v4());
let storage_credentials = StorageCredentials::access_key(account.clone(), access_key);
let container_client =
BlobServiceClient::new(account, storage_credentials).container_client(container_name);
container_client.create().await?;
let blob_client = container_client.blob_client(&blob_name);
let buf = "0123456789".repeat(100);
blob_client.put_block_blob(buf.clone()).await?;
let range = 3usize..;
let mut stream = blob_client.get().range(range.clone()).into_stream();
let mut data: Vec<u8> = vec![];
while let Some(value) = stream.next().await {
let value = value?.data.collect().await?;
println!("{}", value.len());
data.extend(&value);
}
let value = String::from_utf8(data)?;
assert_eq!(&buf[range.clone()], value);
container_client.delete().await?;
Ok(())
}