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More info about branches tree drawing routines

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Debt for the #144
This commit is contained in:
Alexey Kondratov
2021-05-25 17:28:02 +03:00
committed by Alexey Kondratov
parent b1a424dfa9
commit 1ccf82f932
1 changed files with 11 additions and 2 deletions
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13
zenith/src/main.rs
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@@ -12,8 +12,13 @@ use std::str::FromStr;
use pageserver::{branches::BranchInfo, ZTimelineId};
use zenith_utils::lsn::Lsn;
///
/// Branches tree element used as a value in the HashMap.
///
struct BranchTreeEl {
/// `BranchInfo` received from the `pageserver` via the `branch_list` libpq API call.
pub info: BranchInfo,
/// Holds all direct children of this branch referenced using `timeline_id`.
pub children: Vec<String>,
}
@@ -172,7 +177,9 @@ fn main() -> Result<()> {
Ok(())
}
// Print branches list as a tree-like structure.
///
/// Prints branches list as a tree-like structure.
///
fn print_branches_tree(branches: Vec<BranchInfo>) -> Result<()> {
let mut branches_hash: HashMap<String, BranchTreeEl> = HashMap::new();
@@ -214,7 +221,9 @@ fn print_branches_tree(branches: Vec<BranchInfo>) -> Result<()> {
Ok(())
}
// Recursively print branch info with all its children.
///
/// Recursively prints branch info with all its children.
///
fn print_branch(
nesting_level: usize,
is_last: &[bool],