Commit 1dfb8d45 authored by Kieran Bingham's avatar Kieran Bingham
Browse files

libcamera: request: Add a toString()



Provide a toString helper to assist in printing Request state
for debug and logging contexts.
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarKieran Bingham <kieran.bingham@ideasonboard.com>
parent d874b3e3
......@@ -10,6 +10,7 @@
#include <map>
#include <memory>
#include <stdint.h>
#include <string>
#include <unordered_set>
#include <libcamera/class.h>
......@@ -56,6 +57,8 @@ public:
bool hasPendingBuffers() const { return !pending_.empty(); }
std::string toString() const;
private:
LIBCAMERA_DISABLE_COPY(Request)
......
......@@ -8,6 +8,7 @@
#include <libcamera/request.h>
#include <map>
#include <sstream>
#include <libcamera/buffer.h>
#include <libcamera/camera.h>
......@@ -286,9 +287,7 @@ void Request::complete()
status_ = cancelled_ ? RequestCancelled : RequestComplete;
LOG(Request, Debug)
<< "Request has completed - cookie: " << cookie_
<< (cancelled_ ? " [Cancelled]" : "");
LOG(Request, Debug) << toString();
LIBCAMERA_TRACEPOINT(request_complete, this);
}
......@@ -321,4 +320,27 @@ bool Request::completeBuffer(FrameBuffer *buffer)
return !hasPendingBuffers();
}
/**
* \brief Generate a string representation of the Request internals
*
* This function facilitates debugging of Request state while it is used
* internally within libcamera.
*
* \return A string representing the current state of the request
*/
std::string Request::toString() const
{
std::stringstream ss;
/* Pending, Completed, Cancelled(X). */
static const char *statuses = "PCX";
/* Example Output: Request(55:P:1/2:6523524) */
ss << "Request(" << sequence_ << ":" << statuses[status_] << ":"
<< pending_.size() << "/" << bufferMap_.size() << ":"
<< cookie_ << ")";
return ss.str();
}
} /* namespace libcamera */
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