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refactor: extract-method is_valid_id() in rpcimpl (#7907)

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This commit is contained in:
Charles Kerr
2025-12-09 18:18:46 -06:00
committed by GitHub
parent ca325e5c42
commit 64231c1076
1 changed files with 33 additions and 26 deletions
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45
libtransmission/rpcimpl.cc
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@@ -129,11 +129,29 @@ namespace
namespace
{
[[nodiscard]] constexpr bool is_valid_id(tr_variant const& val)
{
switch (val.index())
{
// https://www.jsonrpc.org/specification#request_object
// An identifier established by the Client that MUST contain a String,
// Number, or NULL value if included. .. The value SHOULD normally not
// be Null and Numbers SHOULD NOT contain fractional parts
case tr_variant::StringIndex:
case tr_variant::IntIndex:
case tr_variant::DoubleIndex:
case tr_variant::NullIndex:
return true;
default:
return false;
}
}
// https://www.jsonrpc.org/specification#response_object
[[nodiscard]] tr_variant::Map build_response(Error::Code code, tr_variant id, tr_variant::Map&& body)
{
if (id.index() != tr_variant::StringIndex && id.index() != tr_variant::IntIndex && id.index() != tr_variant::DoubleIndex &&
id.index() != tr_variant::NullIndex)
if (!is_valid_id(id))
{
TR_ASSERT(false);
id = nullptr;
@@ -2893,20 +2911,12 @@ void tr_rpc_request_exec_impl(tr_session* session, tr_variant const& request, tr
auto data = tr_rpc_idle_data{};
data.session = session;
if (is_jsonrpc)
if (auto iter = map->find(is_jsonrpc ? TR_KEY_id : TR_KEY_tag); iter != std::end(*map))
{
if (auto it_id = map->find(TR_KEY_id); it_id != std::end(*map))
tr_variant const& id = iter->second;
if (is_jsonrpc && !is_valid_id(id))
{
auto const& id = it_id->second;
switch (id.index())
{
case tr_variant::StringIndex:
case tr_variant::IntIndex:
case tr_variant::DoubleIndex:
case tr_variant::NullIndex:
data.id.merge(id); // copy
break;
default:
callback(
session,
build_response(
@@ -2915,12 +2925,9 @@ void tr_rpc_request_exec_impl(tr_session* session, tr_variant const& request, tr
Error::build_data("id type must be String, Number, or Null"sv, {})));
return;
}
data.id.merge(id);
}
}
else if (auto tag = map->value_if<int64_t>(TR_KEY_tag); tag)
{
data.id = *tag;
}
data.callback = std::move(callback);
auto const is_notification = is_jsonrpc && !data.id.has_value();