Log all finished accesses to an access log.

[cubemap] / accesslog.h

diff --git a/accesslog.h b/accesslog.h
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+++ b/accesslog.h
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+#ifndef _ACCESSLOG_H
+#define _ACCESSLOG_H
+
+// A class to log clients that just disconnected. Since this is shared by all
+// Server instances, we try not to let write() block too much, and rather do
+// all the I/O in a separate I/O thread.
+
+#include <stdio.h>
+
+#include <string>
+#include <vector>
+
+#include "client.h"
+#include "thread.h"
+
+class AccessLogThread : public Thread {
+public:
+       // Used if we do not have a file to log to. The thread will still exist,
+       // but won't actually write anywhere.
+       AccessLogThread();
+
+       // Log to a given file. If the file can't be opened, log an error
+       // to the error log, and work as if we didn't have a log file.
+       AccessLogThread(const std::string &filename);
+
+       // Add a log entry. Entries are written out at least once every second.
+       void write(const ClientStats& client);
+
+private:
+       virtual void do_work();
+
+       // The file we are logging to. If NULL, do not log.
+       FILE *logfp;
+       std::string filename;
+
+       pthread_mutex_t mutex;
+       std::vector<ClientStats> pending_writes;
+};
+
+#endif  // _ACCESSLOG_H