ALL: Fix debug, warning and error usage

Added prefixes, used debug(9).

28 files changed, 111 insertions, 109 deletions

diff --git a/backends/cloud/box/boxstorage.cpp b/backends/cloud/box/boxstorage.cpp
index 401ec6a115..c2c4c6278e 100644
--- a/backends/cloud/box/boxstorage.cpp
+++ b/backends/cloud/box/boxstorage.cpp
@@ -115,8 +115,8 @@ void BoxStorage::tokenRefreshed(BoolCallback callback, Networking::JsonResponse
 
 	Common::JSONObject result = json->asObject();
 	if (!result.contains("access_token") || !result.contains("refresh_token")) {
-		warning("Bad response, no token passed");
-		debug("%s", json->stringify().c_str());
+		warning("BoxStorage: bad response, no token passed");
+		debug(9, "%s", json->stringify().c_str());
 		if (callback)
 			(*callback)(BoolResponse(nullptr, false));
 	} else {
@@ -141,8 +141,8 @@ void BoxStorage::codeFlowComplete(BoolResponse response) {
 }
 
 void BoxStorage::codeFlowFailed(Networking::ErrorResponse error) {
-	debug("Box's code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
-	debug("%s", error.response.c_str());
+	debug(9, "BoxStorage: code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
+	debug(9, "%s", error.response.c_str());
 	CloudMan.removeStorage(this);
 }
 
@@ -158,7 +158,7 @@ Common::String BoxStorage::name() const {
 void BoxStorage::infoInnerCallback(StorageInfoCallback outerCallback, Networking::JsonResponse response) {
 	Common::JSONValue *json = response.value;
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("BoxStorage::infoInnerCallback: NULL passed instead of JSON");
 		delete outerCallback;
 		return;
 	}
@@ -210,7 +210,7 @@ Networking::Request *BoxStorage::listDirectoryById(Common::String id, ListDirect
 void BoxStorage::createDirectoryInnerCallback(BoolCallback outerCallback, Networking::JsonResponse response) {
 	Common::JSONValue *json = response.value;
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("BoxStorage::createDirectoryInnerCallback: NULL passed instead of JSON");
 		delete outerCallback;
 		return;
 	}
@@ -292,12 +292,12 @@ BoxStorage *BoxStorage::loadFromConfig(Common::String keyPrefix) {
 	loadKeyAndSecret();
 
 	if (!ConfMan.hasKey(keyPrefix + "access_token", ConfMan.kCloudDomain)) {
-		warning("No access_token found");
+		warning("BoxStorage: no access_token found");
 		return nullptr;
 	}
 
 	if (!ConfMan.hasKey(keyPrefix + "refresh_token", ConfMan.kCloudDomain)) {
-		warning("No refresh_token found");
+		warning("BoxStorage: no refresh_token found");
 		return nullptr;
 	}
 
diff --git a/backends/cloud/box/boxtokenrefresher.cpp b/backends/cloud/box/boxtokenrefresher.cpp
index 65964f3010..c798b97343 100644
--- a/backends/cloud/box/boxtokenrefresher.cpp
+++ b/backends/cloud/box/boxtokenrefresher.cpp
@@ -69,7 +69,7 @@ void BoxTokenRefresher::finishJson(Common::JSONValue *json) {
 		long httpCode = -1;
 		if (_stream) {
 			httpCode = _stream->httpResponseCode();
-			debug(9, "code %ld", httpCode);
+			debug(9, "BoxTokenRefresher: code %ld", httpCode);
 		}
 
 		bool irrecoverable = true;
@@ -77,12 +77,12 @@ void BoxTokenRefresher::finishJson(Common::JSONValue *json) {
 		Common::String code, message;
 		if (result.contains("code")) {
 			code = result.getVal("code")->asString();
-			debug(9, "code = %s", code.c_str());
+			debug(9, "BoxTokenRefresher: code = %s", code.c_str());
 		}
 
 		if (result.contains("message")) {
 			message = result.getVal("message")->asString();
-			debug(9, "message = %s", message.c_str());
+			debug(9, "BoxTokenRefresher: message = %s", message.c_str());
 		}
 
 		//TODO: decide when token refreshment will help
diff --git a/backends/cloud/box/boxuploadrequest.cpp b/backends/cloud/box/boxuploadrequest.cpp
index 29034c479f..f68ba6a580 100644
--- a/backends/cloud/box/boxuploadrequest.cpp
+++ b/backends/cloud/box/boxuploadrequest.cpp
@@ -143,8 +143,9 @@ void BoxUploadRequest::uploadedCallback(Networking::JsonResponse response) {
 	}
 
 	if (error.httpResponseCode != 200 && error.httpResponseCode != 201)
-		warning("looks like an error");
+		warning("BoxUploadRequest: looks like an error (bad HTTP code)");
 
+	//TODO: add more JSON warnings there
 	Common::JSONValue *json = response.value;
 	if (json) {
 		if (json->isObject()) {
@@ -188,10 +189,10 @@ void BoxUploadRequest::uploadedCallback(Networking::JsonResponse response) {
 			*/
 		}
 
-		warning("no file info to return");
+		warning("BoxUploadRequest: no file info to return");
 		finishUpload(StorageFile(_savePath, 0, 0, false));
 	} else {
-		warning("null, not json");
+		warning("BoxUploadRequest: null, not json");
 		finishError(error);
 	}
 
diff --git a/backends/cloud/downloadrequest.cpp b/backends/cloud/downloadrequest.cpp
index f706ed64f4..e28670fc7b 100644
--- a/backends/cloud/downloadrequest.cpp
+++ b/backends/cloud/downloadrequest.cpp
@@ -99,8 +99,10 @@ void DownloadRequest::handle() {
 
 	if (_remoteFileStream->eos()) {
 		if (_remoteFileStream->httpResponseCode() != 200) {
-			warning("HTTP response code is not 200 OK (it's %ld)", _remoteFileStream->httpResponseCode());
+			warning("DownloadRequest: HTTP response code is not 200 OK (it's %ld)", _remoteFileStream->httpResponseCode());
 			//TODO: do something about it actually
+			// the problem is file's already downloaded, stream is over
+			// so we can't return error message anymore
 		}
 
 		finishDownload(_remoteFileStream->httpResponseCode() == 200);
diff --git a/backends/cloud/dropbox/dropboxcreatedirectoryrequest.cpp b/backends/cloud/dropbox/dropboxcreatedirectoryrequest.cpp
index ad9b0fcc0d..6cc6801bc0 100644
--- a/backends/cloud/dropbox/dropboxcreatedirectoryrequest.cpp
+++ b/backends/cloud/dropbox/dropboxcreatedirectoryrequest.cpp
@@ -80,7 +80,7 @@ void DropboxCreateDirectoryRequest::responseCallback(Networking::JsonResponse re
 		error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
 
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("DropboxCreateDirectoryRequest: NULL passed instead of JSON");
 		finishError(error);
 		return;
 	}
diff --git a/backends/cloud/dropbox/dropboxinforequest.cpp b/backends/cloud/dropbox/dropboxinforequest.cpp
index 207c20271a..c5cbb9d917 100644
--- a/backends/cloud/dropbox/dropboxinforequest.cpp
+++ b/backends/cloud/dropbox/dropboxinforequest.cpp
@@ -77,7 +77,7 @@ void DropboxInfoRequest::userResponseCallback(Networking::JsonResponse response)
 		error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
 
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("DropboxInfoRequest: NULL passed instead of JSON");
 		finishError(error);
 		return;
 	}
@@ -115,7 +115,7 @@ void DropboxInfoRequest::quotaResponseCallback(Networking::JsonResponse response
 		error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
 
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("DropboxInfoRequest: NULL passed instead of JSON");
 		finishError(error);
 		return;
 	}
diff --git a/backends/cloud/dropbox/dropboxstorage.cpp b/backends/cloud/dropbox/dropboxstorage.cpp
index 20f8a68327..6fd1f9d2fd 100644
--- a/backends/cloud/dropbox/dropboxstorage.cpp
+++ b/backends/cloud/dropbox/dropboxstorage.cpp
@@ -86,8 +86,8 @@ void DropboxStorage::codeFlowComplete(Networking::JsonResponse response) {
 	if (json) {
 		Common::JSONObject result = json->asObject();
 		if (!result.contains("access_token") || !result.contains("uid")) {
-			warning("%s", json->stringify(true).c_str());
-			warning("Bad response, no token/uid passed");
+			warning("DropboxStorage: bad response, no token/uid passed");
+			debug(9, "%s", json->stringify(true).c_str());
 			CloudMan.removeStorage(this);
 		} else {
 			_token = result.getVal("access_token")->asString();
@@ -99,14 +99,14 @@ void DropboxStorage::codeFlowComplete(Networking::JsonResponse response) {
 
 		delete json;
 	} else {
-		debug("DropboxStorage::codeFlowComplete: got NULL instead of JSON!");
+		debug(9, "DropboxStorage::codeFlowComplete: got NULL instead of JSON!");
 		CloudMan.removeStorage(this);
 	}
 }
 
 void DropboxStorage::codeFlowFailed(Networking::ErrorResponse error) {
-	debug("Dropbox's code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
-	debug("%s", error.response.c_str());
+	debug(9, "DropboxStorage: code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
+	debug(9, "%s", error.response.c_str());
 	CloudMan.removeStorage(this);
 }
 
@@ -161,12 +161,12 @@ DropboxStorage *DropboxStorage::loadFromConfig(Common::String keyPrefix) {
 	loadKeyAndSecret();
 
 	if (!ConfMan.hasKey(keyPrefix + "access_token", ConfMan.kCloudDomain)) {
-		warning("No access_token found");
+		warning("DropboxStorage: no access_token found");
 		return nullptr;
 	}
 
 	if (!ConfMan.hasKey(keyPrefix + "user_id", ConfMan.kCloudDomain)) {
-		warning("No user_id found");
+		warning("DropboxStorage: no user_id found");
 		return nullptr;
 	}
 
diff --git a/backends/cloud/dropbox/dropboxuploadrequest.cpp b/backends/cloud/dropbox/dropboxuploadrequest.cpp
index f129eaa94d..dd3a381b7a 100644
--- a/backends/cloud/dropbox/dropboxuploadrequest.cpp
+++ b/backends/cloud/dropbox/dropboxuploadrequest.cpp
@@ -123,7 +123,6 @@ void DropboxUploadRequest::uploadNextPart() {
 }
 
 void DropboxUploadRequest::partUploadedCallback(Networking::JsonResponse response) {
-	debug(9, "partUploadedCallback");
 	_workingRequest = nullptr;
 	if (_ignoreCallback)
 		return;
@@ -133,6 +132,7 @@ void DropboxUploadRequest::partUploadedCallback(Networking::JsonResponse respons
 	if (rq && rq->getNetworkReadStream())
 		error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
 
+	// TODO: add more JSON-related warnings
 	Common::JSONValue *json = response.value;
 	if (json) {
 		bool needsFinishRequest = false;
@@ -140,7 +140,7 @@ void DropboxUploadRequest::partUploadedCallback(Networking::JsonResponse respons
 		if (json->isObject()) {
 			Common::JSONObject object = json->asObject();
 
-			//debug("%s", json->stringify(true).c_str());
+			//debug(9, "%s", json->stringify(true).c_str());
 
 			if (object.contains("error") || object.contains("error_summary")) {
 				warning("Dropbox returned error: %s", object.getVal("error_summary")->asString().c_str());
@@ -163,19 +163,19 @@ void DropboxUploadRequest::partUploadedCallback(Networking::JsonResponse respons
 				if (object.contains("session_id"))
 					_sessionId = object.getVal("session_id")->asString();
 				else
-					warning("no session_id found in Dropbox's response");
+					warning("DropboxUploadRequest: no session_id found");
 				needsFinishRequest = true;
 			}
 		}
 
 		if (!needsFinishRequest && (_contentsStream->eos() || _contentsStream->pos() >= _contentsStream->size() - 1)) {
-			warning("no file info to return");
+			warning("DropboxUploadRequest: no file info to return");
 			finishUpload(StorageFile(_savePath, 0, 0, false));
 		} else {
 			uploadNextPart();
 		}
 	} else {
-		warning("null, not json");
+		warning("DropboxUploadRequest: null, not json");
 		finishError(error);
 	}
 
@@ -183,7 +183,6 @@ void DropboxUploadRequest::partUploadedCallback(Networking::JsonResponse respons
 }
 
 void DropboxUploadRequest::partUploadedErrorCallback(Networking::ErrorResponse error) {
-	debug("partUploadedErrorCallback");
 	_workingRequest = nullptr;
 	if (_ignoreCallback)
 		return;
diff --git a/backends/cloud/folderdownloadrequest.cpp b/backends/cloud/folderdownloadrequest.cpp
index fe9704cf81..7eeee0c6d6 100644
--- a/backends/cloud/folderdownloadrequest.cpp
+++ b/backends/cloud/folderdownloadrequest.cpp
@@ -129,7 +129,7 @@ void FolderDownloadRequest::downloadNextFile() {
 		if (_remoteDirectoryPath != "" && (_remoteDirectoryPath.lastChar() != '/' && _remoteDirectoryPath.lastChar() != '\\'))
 			localPath.erase(0, 1);
 	} else {
-		warning("Can't process the following paths:");
+		warning("FolderDownloadRequest: Can't process the following paths:");
 		warning("remote directory: %s", _remoteDirectoryPath.c_str());
 		warning("remote file under that directory: %s", remotePath.c_str());
 	}
@@ -139,7 +139,7 @@ void FolderDownloadRequest::downloadNextFile() {
 		else
 			localPath = _localDirectoryPath + "/" + localPath;
 	}
-	debug(9, "%s -> %s", remotePath.c_str(), localPath.c_str());
+	debug(9, "FolderDownloadRequest: %s -> %s", remotePath.c_str(), localPath.c_str());
 	_workingRequest = _storage->downloadById(
 		_currentFile.id(), localPath,
 		new Common::Callback<FolderDownloadRequest, Storage::BoolResponse>(this, &FolderDownloadRequest::fileDownloadedCallback),
diff --git a/backends/cloud/googledrive/googledrivestorage.cpp b/backends/cloud/googledrive/googledrivestorage.cpp
index af19019a1e..7ae9dde3bd 100644
--- a/backends/cloud/googledrive/googledrivestorage.cpp
+++ b/backends/cloud/googledrive/googledrivestorage.cpp
@@ -113,14 +113,14 @@ void GoogleDriveStorage::tokenRefreshed(BoolCallback callback, Networking::JsonR
 
 	Common::JSONObject result = json->asObject();
 	if (!result.contains("access_token")) {
-		warning("Bad response, no token passed");
-		debug("%s", json->stringify().c_str());
+		warning("GoogleDriveStorage: bad response, no token passed");
+		debug(9, "%s", json->stringify().c_str());
 		if (callback)
 			(*callback)(BoolResponse(nullptr, false));
 	} else {
 		_token = result.getVal("access_token")->asString();
 		if (!result.contains("refresh_token"))
-			warning("No refresh_token passed");
+			warning("GoogleDriveStorage: no refresh_token passed");
 		else
 			_refreshToken = result.getVal("refresh_token")->asString();
 		CloudMan.save(); //ask CloudManager to save our new refreshToken
@@ -143,8 +143,8 @@ void GoogleDriveStorage::codeFlowComplete(BoolResponse response) {
 }
 
 void GoogleDriveStorage::codeFlowFailed(Networking::ErrorResponse error) {
-	debug("Google Drive's code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
-	debug("%s", error.response.c_str());
+	debug(9, "GoogleDriveStorage: code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
+	debug(9, "%s", error.response.c_str());
 	CloudMan.removeStorage(this);
 }
 
@@ -160,7 +160,7 @@ Common::String GoogleDriveStorage::name() const {
 void GoogleDriveStorage::infoInnerCallback(StorageInfoCallback outerCallback, Networking::JsonResponse response) {
 	Common::JSONValue *json = response.value;
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("GoogleDriveStorage: NULL passed instead of JSON");
 		delete outerCallback;
 		return;
 	}
@@ -201,7 +201,7 @@ void GoogleDriveStorage::infoInnerCallback(StorageInfoCallback outerCallback, Ne
 void GoogleDriveStorage::createDirectoryInnerCallback(BoolCallback outerCallback, Networking::JsonResponse response) {
 	Common::JSONValue *json = response.value;
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("GoogleDriveStorage: NULL passed instead of JSON");
 		delete outerCallback;
 		return;
 	}
@@ -241,7 +241,7 @@ Networking::Request *GoogleDriveStorage::streamFileById(Common::String id, Netwo
 }
 
 void GoogleDriveStorage::printInfo(StorageInfoResponse response) {
-	debug(9, "\nuser info:");
+	debug(9, "\nGoogleDriveStorage: user info:");
 	debug(9, "\tname: %s", response.value.name().c_str());
 	debug(9, "\temail: %s", response.value.email().c_str());
 	debug(9, "\tdisk usage: %lu/%lu", response.value.used(), response.value.available());
@@ -286,12 +286,12 @@ GoogleDriveStorage *GoogleDriveStorage::loadFromConfig(Common::String keyPrefix)
 	loadKeyAndSecret();
 
 	if (!ConfMan.hasKey(keyPrefix + "access_token", ConfMan.kCloudDomain)) {
-		warning("No access_token found");
+		warning("GoogleDriveStorage: no access_token found");
 		return nullptr;
 	}
 
 	if (!ConfMan.hasKey(keyPrefix + "refresh_token", ConfMan.kCloudDomain)) {
-		warning("No refresh_token found");
+		warning("GoogleDriveStorage: no refresh_token found");
 		return nullptr;
 	}
 
diff --git a/backends/cloud/googledrive/googledrivetokenrefresher.cpp b/backends/cloud/googledrive/googledrivetokenrefresher.cpp
index 1b858504c5..99661c262e 100644
--- a/backends/cloud/googledrive/googledrivetokenrefresher.cpp
+++ b/backends/cloud/googledrive/googledrivetokenrefresher.cpp
@@ -69,7 +69,7 @@ void GoogleDriveTokenRefresher::finishJson(Common::JSONValue *json) {
 		//new token needed => request token & then retry original request
 		if (_stream) {
 			httpResponseCode = _stream->httpResponseCode();
-			debug(9, "code %ld", httpResponseCode);
+			debug(9, "GoogleDriveTokenRefresher: code = %ld", httpResponseCode);
 		}
 
 		Common::JSONObject error = result.getVal("error")->asObject();
@@ -79,12 +79,12 @@ void GoogleDriveTokenRefresher::finishJson(Common::JSONValue *json) {
 		Common::String message;
 		if (error.contains("code") && error.getVal("code")->isIntegerNumber()) {
 			code = error.getVal("code")->asIntegerNumber();
-			debug(9, "code = %u", code);
+			debug(9, "GoogleDriveTokenRefresher: code = %u", code);
 		}
 
 		if (error.contains("message")) {
 			message = error.getVal("message")->asString();
-			debug(9, "message = %s", message.c_str());
+			debug(9, "GoogleDriveTokenRefresher: message = %s", message.c_str());
 		}
 
 		if (code == 401 || message == "Invalid Credentials")
diff --git a/backends/cloud/googledrive/googledriveuploadrequest.cpp b/backends/cloud/googledrive/googledriveuploadrequest.cpp
index bd9d8790ed..14f43eecde 100644
--- a/backends/cloud/googledrive/googledriveuploadrequest.cpp
+++ b/backends/cloud/googledrive/googledriveuploadrequest.cpp
@@ -305,13 +305,13 @@ void GoogleDriveUploadRequest::partUploadedCallback(Networking::JsonResponse res
 		}
 
 		if (_contentsStream->eos() || _contentsStream->pos() >= _contentsStream->size() - 1) {
-			warning("no file info to return");
+			warning("GoogleDriveUploadRequest: no file info to return");
 			finishUpload(StorageFile(_savePath, 0, 0, false));
 		} else {
 			uploadNextPart();
 		}
 	} else {
-		warning("null, not json");
+		warning("GoogleDriveUploadRequest: null, not json");
 		finishError(error);
 	}
 
diff --git a/backends/cloud/id/idresolveidrequest.cpp b/backends/cloud/id/idresolveidrequest.cpp
index 6742a5890f..e8589fc204 100644
--- a/backends/cloud/id/idresolveidrequest.cpp
+++ b/backends/cloud/id/idresolveidrequest.cpp
@@ -70,16 +70,16 @@ void IdResolveIdRequest::listedDirectoryCallback(Storage::FileArrayResponse resp
 		return;
 
 	Common::String currentLevelName = _requestedPath;
-	///debug("'%s'", currentLevelName.c_str());
+	///debug(9, "'%s'", currentLevelName.c_str());
 	if (_currentDirectory.size())
 		currentLevelName.erase(0, _currentDirectory.size());
 	if (currentLevelName.size() && (currentLevelName[0] == '/' || currentLevelName[0] == '\\'))
 		currentLevelName.erase(0, 1);
-	///debug("'%s'", currentLevelName.c_str());
+	///debug(9, "'%s'", currentLevelName.c_str());
 	for (uint32 i = 0; i < currentLevelName.size(); ++i) {
 		if (currentLevelName[i] == '/' || currentLevelName[i] == '\\') {
 			currentLevelName.erase(i);
-			///debug("'%s'", currentLevelName.c_str());
+			///debug(9, "'%s'", currentLevelName.c_str());
 			break;
 		}
 	}
@@ -90,7 +90,7 @@ void IdResolveIdRequest::listedDirectoryCallback(Storage::FileArrayResponse resp
 	path += currentLevelName;
 	bool lastLevel = (path.equalsIgnoreCase(_requestedPath));
 
-	///debug("so, searching for '%s' in '%s'", currentLevelName.c_str(), _currentDirectory.c_str());
+	///debug(9, "IdResolveIdRequest: searching for '%s' in '%s'", currentLevelName.c_str(), _currentDirectory.c_str());
 
 	Common::Array<StorageFile> &files = response.value;
 	bool found = false;
@@ -100,7 +100,7 @@ void IdResolveIdRequest::listedDirectoryCallback(Storage::FileArrayResponse resp
 				_currentDirectory += "/";
 			_currentDirectory += files[i].name();
 			_currentDirectoryId = files[i].id();
-			///debug("found it! new directory and its id: '%s', '%s'", _currentDirectory.c_str(), _currentDirectoryId.c_str());
+			///debug(9, "IdResolveIdRequest: found it! new directory and its id: '%s', '%s'", _currentDirectory.c_str(), _currentDirectoryId.c_str());
 			listNextDirectory(files[i]);
 			found = true;
 			break;
diff --git a/backends/cloud/id/idstorage.cpp b/backends/cloud/id/idstorage.cpp
index 857e3fb379..36f2df642c 100644
--- a/backends/cloud/id/idstorage.cpp
+++ b/backends/cloud/id/idstorage.cpp
@@ -36,7 +36,7 @@ namespace Id {
 IdStorage::~IdStorage() {}
 
 void IdStorage::printFiles(FileArrayResponse response) {
-	debug(9, "files:");
+	debug(9, "IdStorage: files:");
 	Common::Array<StorageFile> &files = response.value;
 	for (uint32 i = 0; i < files.size(); ++i) {
 		debug(9, "\t%s%s", files[i].name().c_str(), files[i].isDirectory() ? " (directory)" : "");
@@ -47,11 +47,11 @@ void IdStorage::printFiles(FileArrayResponse response) {
 }
 
 void IdStorage::printBool(BoolResponse response) {
-	debug(9, "bool: %s", response.value ? "true" : "false");
+	debug(9, "IdStorage: bool: %s", response.value ? "true" : "false");
 }
 
 void IdStorage::printFile(UploadResponse response) {
-	debug(9, "\nuploaded file info:");
+	debug(9, "\nIdStorage: uploaded file info:");
 	debug(9, "\tid: %s", response.value.path().c_str());
 	debug(9, "\tname: %s", response.value.name().c_str());
 	debug(9, "\tsize: %u", response.value.size());
diff --git a/backends/cloud/onedrive/onedrivecreatedirectoryrequest.cpp b/backends/cloud/onedrive/onedrivecreatedirectoryrequest.cpp
index a31fd025ac..4d6d8fceda 100644
--- a/backends/cloud/onedrive/onedrivecreatedirectoryrequest.cpp
+++ b/backends/cloud/onedrive/onedrivecreatedirectoryrequest.cpp
@@ -102,7 +102,7 @@ void OneDriveCreateDirectoryRequest::responseCallback(Networking::JsonResponse r
 		error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
 
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("OneDriveCreateDirectoryRequest: NULL passed instead of JSON");
 		finishError(error);
 		return;
 	}
diff --git a/backends/cloud/onedrive/onedrivestorage.cpp b/backends/cloud/onedrive/onedrivestorage.cpp
index af5d9f10ba..1008cab31f 100644
--- a/backends/cloud/onedrive/onedrivestorage.cpp
+++ b/backends/cloud/onedrive/onedrivestorage.cpp
@@ -113,8 +113,8 @@ void OneDriveStorage::tokenRefreshed(BoolCallback callback, Networking::JsonResp
 
 	Common::JSONObject result = json->asObject();
 	if (!result.contains("access_token") || !result.contains("user_id") || !result.contains("refresh_token")) {
-		warning("Bad response, no token or user_id passed");
-		debug("%s", json->stringify().c_str());
+		warning("OneDriveStorage: bad response, no token or user_id passed");
+		debug(9, "%s", json->stringify().c_str());
 		if (callback)
 			(*callback)(BoolResponse(nullptr, false));
 	} else {
@@ -141,8 +141,8 @@ void OneDriveStorage::codeFlowComplete(BoolResponse response) {
 }
 
 void OneDriveStorage::codeFlowFailed(Networking::ErrorResponse error) {
-	debug("OneDrive's code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
-	debug("%s", error.response.c_str());
+	debug(9, "OneDriveStorage: code flow failed (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
+	debug(9, "%s", error.response.c_str());
 	CloudMan.removeStorage(this);
 }
 
@@ -159,7 +159,7 @@ Common::String OneDriveStorage::name() const {
 void OneDriveStorage::infoInnerCallback(StorageInfoCallback outerCallback, Networking::JsonResponse response) {
 	Common::JSONValue *json = response.value;
 	if (!json) {
-		warning("NULL passed instead of JSON");
+		warning("OneDriveStorage: NULL passed instead of JSON");
 		delete outerCallback;
 		return;
 	}
@@ -199,7 +199,7 @@ void OneDriveStorage::infoInnerCallback(StorageInfoCallback outerCallback, Netwo
 
 void OneDriveStorage::fileInfoCallback(Networking::NetworkReadStreamCallback outerCallback, Networking::JsonResponse response) {
 	if (!response.value) {
-		warning("fileInfoCallback: NULL");
+		warning("OneDriveStorage::fileInfoCallback: NULL, not JSON");
 		if (outerCallback)
 			(*outerCallback)(Networking::NetworkReadStreamResponse(response.request, nullptr));
 		return;
@@ -214,8 +214,8 @@ void OneDriveStorage::fileInfoCallback(Networking::NetworkReadStreamCallback out
 				new Networking::NetworkReadStream(url, nullptr, "")
 			));
 	} else {
-		warning("downloadUrl not found in passed JSON");
-		debug("%s", response.value->stringify().c_str());
+		warning("OneDriveStorage: downloadUrl not found in passed JSON");
+		debug(9, "%s", response.value->stringify().c_str());
 		if (outerCallback)
 			(*outerCallback)(Networking::NetworkReadStreamResponse(response.request, nullptr));
 	}
@@ -257,17 +257,17 @@ OneDriveStorage *OneDriveStorage::loadFromConfig(Common::String keyPrefix) {
 	loadKeyAndSecret();
 
 	if (!ConfMan.hasKey(keyPrefix + "access_token", ConfMan.kCloudDomain)) {
-		warning("No access_token found");
+		warning("OneDriveStorage: no access_token found");
 		return nullptr;
 	}
 
 	if (!ConfMan.hasKey(keyPrefix + "user_id", ConfMan.kCloudDomain)) {
-		warning("No user_id found");
+		warning("OneDriveStorage: no user_id found");
 		return nullptr;
 	}
 
 	if (!ConfMan.hasKey(keyPrefix + "refresh_token", ConfMan.kCloudDomain)) {
-		warning("No refresh_token found");
+		warning("OneDriveStorage: no refresh_token found");
 		return nullptr;
 	}
 
diff --git a/backends/cloud/onedrive/onedrivetokenrefresher.cpp b/backends/cloud/onedrive/onedrivetokenrefresher.cpp
index f7597599c7..5e3bce96af 100644
--- a/backends/cloud/onedrive/onedrivetokenrefresher.cpp
+++ b/backends/cloud/onedrive/onedrivetokenrefresher.cpp
@@ -69,7 +69,7 @@ void OneDriveTokenRefresher::finishJson(Common::JSONValue *json) {
 		//new token needed => request token & then retry original request
 		if (_stream) {
 			httpResponseCode = _stream->httpResponseCode();
-			debug(9, "code %ld", httpResponseCode);
+			debug(9, "OneDriveTokenRefresher: code = %ld", httpResponseCode);
 		}
 
 		Common::JSONObject error = result.getVal("error")->asObject();
@@ -78,12 +78,12 @@ void OneDriveTokenRefresher::finishJson(Common::JSONValue *json) {
 		Common::String code, message;
 		if (error.contains("code")) {
 			code = error.getVal("code")->asString();
-			debug(9, "code = %s", code.c_str());
+			debug(9, "OneDriveTokenRefresher: code = %s", code.c_str());
 		}
 
 		if (error.contains("message")) {
 			message = error.getVal("message")->asString();
-			debug(9, "message = %s", message.c_str());
+			debug(9, "OneDriveTokenRefresher: message = %s", message.c_str());
 		}
 
 		//determine whether token refreshing would help in this situation
diff --git a/backends/cloud/onedrive/onedriveuploadrequest.cpp b/backends/cloud/onedrive/onedriveuploadrequest.cpp
index ef1507d1f2..172266ce2a 100644
--- a/backends/cloud/onedrive/onedriveuploadrequest.cpp
+++ b/backends/cloud/onedrive/onedriveuploadrequest.cpp
@@ -130,7 +130,7 @@ void OneDriveUploadRequest::partUploadedCallback(Networking::JsonResponse respon
 			Common::JSONObject object = json->asObject();
 
 			if (object.contains("error")) {
-				warning("OneDrive returned error: %s", json->stringify(true).c_str());
+				warning("OneDriveUploadRequest: error: %s", json->stringify(true).c_str());
 				error.response = json->stringify(true);
 				finishError(error);
 				delete json;
@@ -150,18 +150,18 @@ void OneDriveUploadRequest::partUploadedCallback(Networking::JsonResponse respon
 				if (object.contains("uploadUrl"))
 					_uploadUrl = object.getVal("uploadUrl")->asString();
 				else
-					warning("no uploadUrl found in OneDrive's response");
+					warning("OneDriveUploadRequest: no uploadUrl found");
 			}
 		}
 
 		if (_contentsStream->eos() || _contentsStream->pos() >= _contentsStream->size() - 1) {
-			warning("no file info to return");
+			warning("OneDriveUploadRequest: no file info to return");
 			finishUpload(StorageFile(_savePath, 0, 0, false));
 		} else {
 			uploadNextPart();
 		}
 	} else {
-		warning("null, not json");
+		warning("OneDriveUploadRequest: null, not json");
 		finishError(error);
 	}
 
diff --git a/backends/cloud/savessyncrequest.cpp b/backends/cloud/savessyncrequest.cpp
index 7776804579..889c6b936b 100644
--- a/backends/cloud/savessyncrequest.cpp
+++ b/backends/cloud/savessyncrequest.cpp
@@ -125,11 +125,11 @@ void SavesSyncRequest::directoryListedCallback(Storage::ListDirectoryResponse re
 			_filesToUpload.push_back(i->_key);
 	}
 
-	debug(9, "\ndownload files:");
+	debug(9, "\nSavesSyncRequest: download files:");
 	for (uint32 i = 0; i < _filesToDownload.size(); ++i) {
 		debug(9, "%s", _filesToDownload[i].name().c_str());
 	}
-	debug(9, "\nupload files:");
+	debug(9, "\nSavesSyncRequest: upload files:");
 	for (uint32 i = 0; i < _filesToUpload.size(); ++i) {
 		debug(9, "%s", _filesToUpload[i].c_str());
 	}
@@ -190,7 +190,7 @@ void SavesSyncRequest::directoryListedErrorCallback(Networking::ErrorResponse er
 	Common::String dir = _storage->savesDirectoryPath();
 	if (dir.lastChar() == '/')
 		dir.deleteLastChar();
-	debug(9, "creating %s", dir.c_str());
+	debug(9, "SavesSyncRequest: creating %s", dir.c_str());
 	_workingRequest = _storage->createDirectory(
 		dir,
 		new Common::Callback<SavesSyncRequest, Storage::BoolResponse>(this, &SavesSyncRequest::directoryCreatedCallback),
@@ -238,7 +238,7 @@ void SavesSyncRequest::downloadNextFile() {
 
 	sendCommand(GUI::kSavesSyncProgressCmd, (int)(getDownloadingProgress() * 100));
 
-	debug(9, "downloading %s (%d %%)", _currentDownloadingFile.name().c_str(), (int)(getProgress() * 100));
+	debug(9, "SavesSyncRequest: downloading %s (%d %%)", _currentDownloadingFile.name().c_str(), (int)(getProgress() * 100));
 	_workingRequest = _storage->downloadById(
 		_currentDownloadingFile.id(),
 		DefaultSaveFileManager::concatWithSavesPath(_currentDownloadingFile.name()),
@@ -289,7 +289,7 @@ void SavesSyncRequest::uploadNextFile() {
 	_currentUploadingFile = _filesToUpload.back();
 	_filesToUpload.pop_back();
 
-	debug(9, "uploading %s (%d %%)", _currentUploadingFile.c_str(), (int)(getProgress() * 100));
+	debug(9, "SavesSyncRequest: uploading %s (%d %%)", _currentUploadingFile.c_str(), (int)(getProgress() * 100));
 	if (_storage->uploadStreamSupported()) {
 		_workingRequest = _storage->upload(
 			_storage->savesDirectoryPath() + _currentUploadingFile,
@@ -370,7 +370,7 @@ Common::Array<Common::String> SavesSyncRequest::getFilesToDownload() {
 }
 
 void SavesSyncRequest::finishError(Networking::ErrorResponse error) {
-	debug("SavesSync::finishError");
+	debug(9, "SavesSync::finishError");
 	//if we were downloading a file - remember the name
 	//and make the Request close() it, so we can delete it
 	Common::String name = _currentDownloadingFile.name();
diff --git a/backends/cloud/storage.cpp b/backends/cloud/storage.cpp
index b085401f47..910d80d153 100644
--- a/backends/cloud/storage.cpp
+++ b/backends/cloud/storage.cpp
@@ -42,8 +42,8 @@ Networking::ErrorCallback Storage::getErrorPrintingCallback() {
 }
 
 void Storage::printErrorResponse(Networking::ErrorResponse error) {
-	debug("error response (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
-	debug("%s", error.response.c_str());
+	debug(9, "Storage: error response (%s, %ld):", (error.failed ? "failed" : "interrupted"), error.httpResponseCode);
+	debug(9, "%s", error.response.c_str());
 }
 
 Networking::Request *Storage::addRequest(Networking::Request *request) {
diff --git a/backends/networking/curl/connectionmanager.cpp b/backends/networking/curl/connectionmanager.cpp
index 1d5fd0d0cb..f3dc91ad60 100644
--- a/backends/networking/curl/connectionmanager.cpp
+++ b/backends/networking/curl/connectionmanager.cpp
@@ -194,7 +194,7 @@ void ConnectionManager::processTransfers() {
 		if (curlMsg->msg == CURLMSG_DONE) {
 			debug(9, "ConnectionManager: SUCCESS (%d - %s)", curlMsg->data.result, curl_easy_strerror(curlMsg->data.result));
 		} else {
-			debug("ConnectionManager: FAILURE (CURLMsg (%d))", curlMsg->msg);
+			warning("ConnectionManager: FAILURE (CURLMsg (%d))", curlMsg->msg);
 		}
 
 		curl_multi_remove_handle(_multi, easyHandle);
diff --git a/backends/networking/curl/curljsonrequest.cpp b/backends/networking/curl/curljsonrequest.cpp
index 7db56cfdcc..aac89a1513 100644
--- a/backends/networking/curl/curljsonrequest.cpp
+++ b/backends/networking/curl/curljsonrequest.cpp
@@ -68,7 +68,7 @@ void CurlJsonRequest::handle() {
 		uint32 readBytes = _stream->read(_buffer, CURL_JSON_REQUEST_BUFFER_SIZE);
 		if (readBytes != 0)
 			if (_contentsStream.write(_buffer, readBytes) != readBytes)
-				warning("MemoryWriteStreamDynamic was unable to write all the bytes");
+				warning("CurlJsonRequest: unable to write all the bytes into MemoryWriteStreamDynamic");
 
 		if (_stream->eos()) {
 			char *contents = getPreparedContents();
diff --git a/backends/networking/curl/curlrequest.cpp b/backends/networking/curl/curlrequest.cpp
index 2d5bb1fa2b..64fa347023 100644
--- a/backends/networking/curl/curlrequest.cpp
+++ b/backends/networking/curl/curlrequest.cpp
@@ -52,7 +52,7 @@ void CurlRequest::handle() {
 
 	if (_stream && _stream->eos()) {
 		if (_stream->httpResponseCode() != 200) {
-			warning("HTTP response code is not 200 OK (it's %ld)", _stream->httpResponseCode());
+			warning("CurlRequest: HTTP response code is not 200 OK (it's %ld)", _stream->httpResponseCode());
 			ErrorResponse error(this, false, true, "", _stream->httpResponseCode());
 			finishError(error);
 			return;
diff --git a/backends/networking/curl/networkreadstream.cpp b/backends/networking/curl/networkreadstream.cpp
index 5c760d9e01..21f26895e9 100644
--- a/backends/networking/curl/networkreadstream.cpp
+++ b/backends/networking/curl/networkreadstream.cpp
@@ -129,7 +129,7 @@ void NetworkReadStream::init(const char *url, curl_slist *headersList, Common::H
 		);
 
 		if (code != CURL_FORMADD_OK)
-			debug("field failed formadd");
+			warning("NetworkReadStream: field curl_formadd('%s') failed", i->_key.c_str());
 	}
 
 	for (Common::HashMap<Common::String, Common::String>::iterator i = formFiles.begin(); i != formFiles.end(); ++i) {
@@ -142,7 +142,7 @@ void NetworkReadStream::init(const char *url, curl_slist *headersList, Common::H
 		);
 
 		if (code != CURL_FORMADD_OK)
-			debug("file failed formadd");
+			warning("NetworkReadStream: file curl_formadd('%s') failed", i->_key.c_str());
 	}
 
 	curl_easy_setopt(_easy, CURLOPT_HTTPPOST, formpost);
diff --git a/backends/networking/sdl_net/client.cpp b/backends/networking/sdl_net/client.cpp
index 0026d0e346..dab38ba5c0 100644
--- a/backends/networking/sdl_net/client.cpp
+++ b/backends/networking/sdl_net/client.cpp
@@ -62,7 +62,7 @@ void Client::open(SDLNet_SocketSet set, TCPsocket socket) {
 	if (set) {
 		int numused = SDLNet_TCP_AddSocket(set, socket);
 		if (numused == -1) {
-			error("SDLNet_AddSocket: %s\n", SDLNet_GetError());
+			error("Client: SDLNet_AddSocket: %s\n", SDLNet_GetError());
 		}
 	}
 }
@@ -79,13 +79,13 @@ bool Client::readMoreIfNeeded() {
 
 	int bytes = SDLNet_TCP_Recv(_socket, _buffer, CLIENT_BUFFER_SIZE);
 	if (bytes <= 0) {
-		warning("Client::readHeaders recv fail");
+		warning("Client::readMoreIfNeeded: recv fail");
 		close();
 		return false;
 	}
 
 	if (_stream->write(_buffer, bytes) != bytes) {
-		warning("failed to write() into MemoryReadWriteStream");
+		warning("Client::readMoreIfNeeded: failed to write() into MemoryReadWriteStream");
 		close();
 		return false;
 	}
@@ -146,7 +146,7 @@ void Client::close() {
 		if (_socket) {
 			int numused = SDLNet_TCP_DelSocket(_set, _socket);
 			if (numused == -1)
-				error("SDLNet_DelSocket: %s\n", SDLNet_GetError());
+				error("Client: SDLNet_DelSocket: %s\n", SDLNet_GetError());
 		}
 		_set = nullptr;
 	}
diff --git a/backends/networking/sdl_net/localwebserver.cpp b/backends/networking/sdl_net/localwebserver.cpp
index 75dbea0d56..8a40aed697 100644
--- a/backends/networking/sdl_net/localwebserver.cpp
+++ b/backends/networking/sdl_net/localwebserver.cpp
@@ -96,14 +96,14 @@ void LocalWebserver::start() {
 	// Create a listening TCP socket
 	IPaddress ip;
 	if (SDLNet_ResolveHost(&ip, NULL, _serverPort) == -1) {
-		error("SDLNet_ResolveHost: %s\n", SDLNet_GetError());
+		error("LocalWebserver: SDLNet_ResolveHost: %s\n", SDLNet_GetError());
 	}
 
 	resolveAddress(&ip);
 
 	_serverSocket = SDLNet_TCP_Open(&ip);
 	if (!_serverSocket) {
-		warning("SDLNet_TCP_Open: %s", SDLNet_GetError());
+		warning("LocalWebserver: SDLNet_TCP_Open: %s", SDLNet_GetError());
 		stopTimer();
 		g_system->displayMessageOnOSD(_("Failed to start local webserver.\nCheck whether selected port is not used by another application and try again."));
 		_handleMutex.unlock();
@@ -113,12 +113,12 @@ void LocalWebserver::start() {
 	// Create a socket set
 	_set = SDLNet_AllocSocketSet(MAX_CONNECTIONS + 1); //one more for our server socket
 	if (!_set) {
-		error("SDLNet_AllocSocketSet: %s\n", SDLNet_GetError());
+		error("LocalWebserver: SDLNet_AllocSocketSet: %s\n", SDLNet_GetError());
 	}
 
 	int numused = SDLNet_TCP_AddSocket(_set, _serverSocket);
 	if (numused == -1) {
-		error("SDLNet_AddSocket: %s\n", SDLNet_GetError());
+		error("LocalWebserver: SDLNet_AddSocket: %s\n", SDLNet_GetError());
 	}
 	_handleMutex.unlock();
 }
@@ -183,7 +183,7 @@ void LocalWebserver::handle() {
 	_handleMutex.lock();
 	int numready = SDLNet_CheckSockets(_set, 0);
 	if (numready == -1) {
-		error("SDLNet_CheckSockets: %s\n", SDLNet_GetError());
+		error("LocalWebserver: SDLNet_CheckSockets: %s\n", SDLNet_GetError());
 	} else if (numready) {
 		acceptClient();
 	}
@@ -268,11 +268,11 @@ void LocalWebserver::resolveAddress(void *ipAddress) {
 	// default way (might work everywhere, surely works on Windows)
 	const char *name = SDLNet_ResolveIP(ip);
 	if (name == NULL) {
-		warning("SDLNet_ResolveHost: %s\n", SDLNet_GetError());
+		warning("LocalWebserver: SDLNet_ResolveHost: %s\n", SDLNet_GetError());
 	} else {
 		IPaddress localIp;
 		if (SDLNet_ResolveHost(&localIp, name, _serverPort) == -1) {
-			warning("SDLNet_ResolveHost: %s\n", SDLNet_GetError());
+			warning("LocalWebserver: SDLNet_ResolveHost: %s\n", SDLNet_GetError());
 		} else {
 			_address = Common::String::format(
 				"http://%u.%u.%u.%u:%u/",
@@ -284,7 +284,7 @@ void LocalWebserver::resolveAddress(void *ipAddress) {
 
 	// check that our trick worked
 	if (_address.contains("/127.0.0.1:") || _address.contains("localhost") || _address.contains("/0.0.0.0:"))
-		warning("Failed to resolve IP with the default way");
+		warning("LocalWebserver: Failed to resolve IP with the default way");
 	else
 		return;
 
@@ -307,7 +307,7 @@ void LocalWebserver::resolveAddress(void *ipAddress) {
 			tmpAddrPtr = &((struct sockaddr_in *)i->ifa_addr)->sin_addr;
 			char addressBuffer[INET_ADDRSTRLEN];
 			inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN);
-			debug("%s IP Address %s", i->ifa_name, addressBuffer);
+			debug(9, "%s IP Address %s", i->ifa_name, addressBuffer);
 			addr = addressBuffer;
 		}
 
@@ -317,7 +317,7 @@ void LocalWebserver::resolveAddress(void *ipAddress) {
 			tmpAddrPtr = &((struct sockaddr_in6 *)i->ifa_addr)->sin6_addr;
 			char addressBuffer[INET6_ADDRSTRLEN];
 			inet_ntop(AF_INET6, tmpAddrPtr, addressBuffer, INET6_ADDRSTRLEN);
-			debug("%s IP Address %s", i->ifa_name, addressBuffer);
+			debug(9, "%s IP Address %s", i->ifa_name, addressBuffer);
 			addr = addressBuffer;
 		}
 		*/
diff --git a/backends/networking/sdl_net/reader.cpp b/backends/networking/sdl_net/reader.cpp
index 828f583003..0e4cc9a106 100644
--- a/backends/networking/sdl_net/reader.cpp
+++ b/backends/networking/sdl_net/reader.cpp
@@ -138,7 +138,7 @@ void readFromThatUntilLineEnd(const char *cstr, Common::String needle, Common::S
 
 void Reader::handleFirstHeaders(Common::String headers) {
 	if (!_boundary.empty()) {
-		warning("handleFirstHeaders() called when first headers were already handled");
+		warning("Reader: handleFirstHeaders() called when first headers were already handled");
 		return;
 	}
 
@@ -252,7 +252,7 @@ void Reader::parseQueryParameters() {
 		} else {
 			if (_query[i] == '&') {
 				if (_queryParameters.contains(key))
-					warning("Query parameter \"%s\" is already set!", key.c_str());
+					warning("Reader: query parameter \"%s\" is already set!", key.c_str());
 				else
 					_queryParameters[key] = LocalWebserver::urlDecode(value);
 				readingKey = true;
@@ -265,7 +265,7 @@ void Reader::parseQueryParameters() {
 
 	if (!key.empty()) {
 		if (_queryParameters.contains(key))
-			warning("Query parameter \"%s\" is already set!", key.c_str());
+			warning("Reader: query parameter \"%s\" is already set!", key.c_str());
 		else
 			_queryParameters[key] = LocalWebserver::urlDecode(value);
 	}
@@ -410,9 +410,9 @@ bool Reader::readBlockContent(Common::WriteStream *stream) {
 		if (bts == "--")
 			_allContentRead = true;
 		else if (bts != "\r\n")
-			warning("strange bytes: \"%s\"", bts.c_str());
+			warning("Reader: strange bytes: \"%s\"", bts.c_str());
 	} else {
-		warning("strange ending");
+		warning("Reader: strange ending");
 		_allContentRead = true;
 	}
 
diff --git a/gui/options.cpp b/gui/options.cpp
index 603fc23eea..f2ae946ff9 100644
--- a/gui/options.cpp
+++ b/gui/options.cpp
@@ -1950,8 +1950,8 @@ void GlobalOptionsDialog::storageListDirectoryCallback(Cloud::Storage::ListDirec
 }
 
 void GlobalOptionsDialog::storageErrorCallback(Networking::ErrorResponse response) {
-	debug("error response (%s, %ld):", (response.failed ? "failed" : "interrupted"), response.httpResponseCode);
-	debug("%s", response.response.c_str());
+	debug(9, "GlobalOptionsDialog: error response (%s, %ld):", (response.failed ? "failed" : "interrupted"), response.httpResponseCode);
+	debug(9, "%s", response.response.c_str());
 
 	if (!response.interrupted)
 		g_system->displayMessageOnOSD(_("Request failed.\nCheck your Internet connection."));