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implement COMMAND

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This commit is contained in:
Maxime Van Hees
2025-08-18 16:21:49 +02:00
parent afa1033cd6
commit a306544a34
1 changed files with 17 additions and 9 deletions
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26
herodb/src/cmd.rs
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@@ -40,6 +40,7 @@ pub enum Cmd {
Client(Vec<String>),
ClientSetName(String),
ClientGetName,
Command(Vec<String>),
// List commands
LPush(String, Vec<String>),
RPush(String, Vec<String>),
@@ -345,6 +346,10 @@ impl Cmd {
Cmd::Client(vec![])
}
}
"command" => {
let args = if cmd.len() > 1 { cmd[1..].to_vec() } else { vec![] };
Cmd::Command(args)
}
"lpush" => {
if cmd.len() < 3 {
return Err(DBError(format!("wrong number of arguments for LPUSH command")));
@@ -540,6 +545,7 @@ impl Cmd {
Cmd::Client(_) => Ok(Protocol::SimpleString("OK".to_string())),
Cmd::ClientSetName(name) => client_setname_cmd(server, &name).await,
Cmd::ClientGetName => client_getname_cmd(server).await,
Cmd::Command(_) => Ok(Protocol::Array(vec![])),
// List commands
Cmd::LPush(key, elements) => lpush_cmd(server, &key, &elements).await,
Cmd::RPush(key, elements) => rpush_cmd(server, &key, &elements).await,
@@ -862,17 +868,19 @@ async fn info_cmd(server: &Server, section: &Option<String>) -> Result<Protocol,
info_string.push_str(&format!("# Keyspace\n"));
info_string.push_str(&format!("db{}:keys=0,expires=0,avg_ttl=0\n", info.selected_db));
match section {
Some(s) => match s.as_str() {
"replication" => Ok(Protocol::BulkString(
"role:master\nmaster_replid:8371b4fb1155b71f4a04d3e1bc3e18c4a990aeea\nmaster_repl_offset:0\n".to_string()
)),
_ => Err(DBError(format!("unsupported section {:?}", s))),
},
None => {
Ok(Protocol::BulkString(info_string))
Some(s) => {
let sl = s.to_lowercase();
if sl == "replication" {
Ok(Protocol::BulkString(
"role:master\nmaster_replid:8371b4fb1155b71f4a04d3e1bc3e18c4a990aeea\nmaster_repl_offset:0\n".to_string()
))
} else {
// Return general info for unknown sections (e.g., SERVER)
Ok(Protocol::BulkString(info_string))
}
}
None => Ok(Protocol::BulkString(info_string)),
}
}