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{
    "id": 551,
    "url": "https://patchwork.libcamera.org/api/patches/551/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/551/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20190208144540.15529-2-laurent.pinchart@ideasonboard.com>",
    "date": "2019-02-08T14:45:40",
    "name": "[libcamera-devel,2/2] libcamera: v4l2_device: Inherit from Loggable to print device node name",
    "commit_ref": "04d5be7f76fe350997d7cd1c1ea54a5b1972404e",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "cf0a23a004ecaa51d809588b4d7aae4804ad10dd",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/551/mbox/",
    "series": [
        {
            "id": 173,
            "url": "https://patchwork.libcamera.org/api/series/173/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=173",
            "date": "2019-02-08T14:45:39",
            "name": "[libcamera-devel,1/2] libcamera: log: Allow extending log messages",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/173/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/551/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/551/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<laurent.pinchart@ideasonboard.com>",
        "Received": [
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 823016101F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri,  8 Feb 2019 15:45:45 +0100 (CET)",
            "from pendragon.ideasonboard.com (d51A4137F.access.telenet.be\n\t[81.164.19.127])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id F23572E4\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri,  8 Feb 2019 15:45:44 +0100 (CET)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1549637145;\n\tbh=kkYP1rswu/B3HjKfSzc+NMur8lmJWJrBBeSgpRs76AA=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=tcxMIRD+jevS+s0f8AWJBFFklKhwEcQdv4Ixw7xs3qVAtZ0B6z6SS3mzgILP9Jkv9\n\t9ulqj/+DltpkawofhaBKHyct+y12kGEc0QSDEuMyuzLZYqXKSQXmzIiUjVMlWSTwaY\n\tc1Bzl2PKuPWMte32pVFh5fCXu0pVnwjCsS4pU7t4=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri,  8 Feb 2019 16:45:40 +0200",
        "Message-Id": "<20190208144540.15529-2-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.19.2",
        "In-Reply-To": "<20190208144540.15529-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20190208144540.15529-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH 2/2] libcamera: v4l2_device: Inherit from\n\tLoggable to print device node name",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.23",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "X-List-Received-Date": "Fri, 08 Feb 2019 14:45:45 -0000"
    },
    "content": "Automate printing of device node name in log messages by inheriting from\nthe Loggable class.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/include/v4l2_device.h |  7 ++++++-\n src/libcamera/v4l2_device.cpp       | 16 +++++++++-------\n 2 files changed, 15 insertions(+), 8 deletions(-)",
    "diff": "diff --git a/src/libcamera/include/v4l2_device.h b/src/libcamera/include/v4l2_device.h\nindex 988e646c5de1..983b9d900aea 100644\n--- a/src/libcamera/include/v4l2_device.h\n+++ b/src/libcamera/include/v4l2_device.h\n@@ -15,6 +15,8 @@\n \n #include <libcamera/signal.h>\n \n+#include \"log.h\"\n+\n namespace libcamera {\n \n class Buffer;\n@@ -76,7 +78,7 @@ public:\n \tunsigned int planesCount;\n };\n \n-class V4L2Device\n+class V4L2Device : protected Loggable\n {\n public:\n \texplicit V4L2Device(const std::string &deviceNode);\n@@ -106,6 +108,9 @@ public:\n \tint streamOn();\n \tint streamOff();\n \n+protected:\n+\tstd::string logPrefix() const;\n+\n private:\n \tint getFormatSingleplane(V4L2DeviceFormat *format);\n \tint setFormatSingleplane(V4L2DeviceFormat *format);\ndiff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp\nindex 64325ff9f5d9..23c0da295905 100644\n--- a/src/libcamera/v4l2_device.cpp\n+++ b/src/libcamera/v4l2_device.cpp\n@@ -262,8 +262,7 @@ int V4L2Device::open()\n \tif (ret < 0) {\n \t\tret = -errno;\n \t\tLOG(V4L2, Error)\n-\t\t\t<< \"Failed to open V4L2 device '\" << deviceNode_\n-\t\t\t<< \"': \" << strerror(-ret);\n+\t\t\t<< \"Failed to open V4L2 device: \" << strerror(-ret);\n \t\treturn ret;\n \t}\n \tfd_ = ret;\n@@ -278,9 +277,8 @@ int V4L2Device::open()\n \t}\n \n \tLOG(V4L2, Debug)\n-\t\t<< \"Opened '\" << deviceNode_ << \"' \"\n-\t\t<< caps_.bus_info() << \": \" << caps_.driver()\n-\t\t<< \": \" << caps_.card();\n+\t\t<< \"Opened device \" << caps_.bus_info() << \": \"\n+\t\t<< caps_.driver() << \": \" << caps_.card();\n \n \tif (!caps_.isCapture() && !caps_.isOutput()) {\n \t\tLOG(V4L2, Debug) << \"Device is not a supported type\";\n@@ -350,6 +348,11 @@ void V4L2Device::close()\n  * \\return The string containing the device location\n  */\n \n+std::string V4L2Device::logPrefix() const\n+{\n+\treturn deviceNode_;\n+}\n+\n /**\n  * \\brief Retrieve the image format set on the V4L2 device\n  * \\param[out] format The image format applied on the device\n@@ -519,8 +522,7 @@ int V4L2Device::requestBuffers(unsigned int count)\n \t\treturn ret;\n \t}\n \n-\tLOG(V4L2, Debug)\n-\t\t<< deviceNode_ << \":\" << rb.count << \" buffers requested.\";\n+\tLOG(V4L2, Debug) << rb.count << \" buffers requested.\";\n \n \treturn rb.count;\n }\n",
    "prefixes": [
        "libcamera-devel",
        "2/2"
    ]
}