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cluster/Backend: Add ProcessError()

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Allow backends to pass errors to a strategy. Locally, these raise
Cluster::Backend::error() events that are logged to the reporter
as errors.
This commit is contained in:
Arne Welzel 2025-04-10 16:15:54 +02:00
parent fcc0f45c57
commit 3d3b7a0759
5 changed files with 69 additions and 4 deletions
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14
src/cluster/websocket/WebSocket.cc
View file

@ -87,6 +87,14 @@ private:
*/
void DoProcessLocalEvent(zeek::EventHandlerPtr h, zeek::Args args) override {}
/**
* Send errors directly to the client.
*/
void DoProcessError(std::string_view tag, std::string_view message) override {
// Just send out the error.
wsc->SendError(tag, message);
}
std::string buffer;
std::shared_ptr<WebSocketClient> wsc;
WebSocketEventDispatcher* dispatcher;
@ -128,14 +136,14 @@ private:
// Inspired by broker/internal/json_client.cc
WebSocketClient::SendInfo WebSocketClient::SendError(std::string_view code, std::string_view message) {
WebSocketClient::SendInfo WebSocketClient::SendError(std::string_view tag, std::string_view message) {
std::string buf;
buf.reserve(code.size() + message.size() + 32);
buf.reserve(tag.size() + message.size() + 32);
auto out = std::back_inserter(buf);
*out++ = '{';
broker::format::json::v1::append_field("type", "error", out);
*out++ = ',';
broker::format::json::v1::append_field("code", code, out);
broker::format::json::v1::append_field("code", tag, out);
*out++ = ',';
broker::format::json::v1::append_field("message", message, out);
*out++ = '}';