Add runtime status/control of logging (#419)

- Feature: New endpoint `/admin/logs` to query status of logging and log file locations and cache logging
  - `enablewritelog`=`true`/`false` parameter to control cache write logging
  - `enableaccesslog`=`true`/`false` parameter to control cache access logging
  - `loglevel` = `trace`/`debug`/`info`/`warning`/`error`
- Feature: New zen command `logs` to query/control zen logging
  - No arguments gives status of logging and paths to log files
  - `--cache-write-log` `enable`/`disable` to control cache write logging
  - `--cache-access-log` `enable`/`disable` to control cache access logging
  - `--loglevel` `trace`/`debug`/`info`/`warning`/`error` to set debug level

1 files changed, 10 insertions, 1 deletions

diff --git a/src/zenserver/admin/admin.h b/src/zenserver/admin/admin.h
index 3152f87ab..12a47f29e 100644
--- a/src/zenserver/admin/admin.h
+++ b/src/zenserver/admin/admin.h
@@ -9,11 +9,18 @@ namespace zen {
 
 class GcScheduler;
 class JobQueue;
+class ZenCacheStore;
 
 class HttpAdminService : public zen::HttpService
 {
 public:
-	HttpAdminService(GcScheduler& Scheduler, JobQueue& BackgroundJobQueue);
+	struct LogPaths
+	{
+		std::filesystem::path AbsLogPath;
+		std::filesystem::path HttpLogPath;
+		std::filesystem::path CacheLogPath;
+	};
+	HttpAdminService(GcScheduler& Scheduler, JobQueue& BackgroundJobQueue, ZenCacheStore& CacheStore, const LogPaths& LogPaths);
 	~HttpAdminService();
 
 	virtual const char* BaseUri() const override;
@@ -23,6 +30,8 @@ private:
 	HttpRequestRouter m_Router;
 	GcScheduler&	  m_GcScheduler;
 	JobQueue&		  m_BackgroundJobQueue;
+	ZenCacheStore&	  m_CacheStore;
+	LogPaths		  m_LogPaths;
 };
 
 }  // namespace zen