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{
    "id": 21454,
    "url": "https://patchwork.libcamera.org/api/patches/21454/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/21454/",
    "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": "<20241001102810.479285-7-mzamazal@redhat.com>",
    "date": "2024-10-01T10:27:58",
    "name": "[v5,06/15] config: Look up log file in configuration file",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "76c90e7ed6fffbfdee588d8629eb593723402b55",
    "submitter": {
        "id": 177,
        "url": "https://patchwork.libcamera.org/api/people/177/?format=api",
        "name": "Milan Zamazal",
        "email": "mzamazal@redhat.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/21454/mbox/",
    "series": [
        {
            "id": 4644,
            "url": "https://patchwork.libcamera.org/api/series/4644/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4644",
            "date": "2024-10-01T10:27:52",
            "name": "Add global configuration file",
            "version": 5,
            "mbox": "https://patchwork.libcamera.org/series/4644/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/21454/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/21454/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
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        ],
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        "X-MC-Unique": "UtRUHvxKNumpSS3WLACJTA-1",
        "From": "Milan Zamazal <mzamazal@redhat.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Milan Zamazal <mzamazal@redhat.com>,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>,\n\tNaushir Patuck <naush@raspberrypi.com>",
        "Subject": "[PATCH v5 06/15] config: Look up log file in configuration file",
        "Date": "Tue,  1 Oct 2024 12:27:58 +0200",
        "Message-ID": "<20241001102810.479285-7-mzamazal@redhat.com>",
        "In-Reply-To": "<20241001102810.479285-1-mzamazal@redhat.com>",
        "References": "<20241001102810.479285-1-mzamazal@redhat.com>",
        "MIME-Version": "1.0",
        "X-Scanned-By": "MIMEDefang 3.0 on 10.30.177.40",
        "X-Mimecast-Spam-Score": "0",
        "X-Mimecast-Originator": "redhat.com",
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        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
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        "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>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "This requires change in LIBCAMERA_LOG_FILE interpretation so that we can\ndisable the log file in isolated processes.  If LIBCAMERA_LOG_FILE is\ndefined but empty, it means there is no log file, even if defined in the\nconfiguration file.  This should cause no compatibility trouble since\nopening a file with an empty name makes little sense.\n\nThe configuration snippet:\n\n  configuration:\n    log:\n      file: FILENAME\n\nSigned-off-by: Milan Zamazal <mzamazal@redhat.com>\n---\n src/libcamera/base/global_configuration.cpp |  1 +\n src/libcamera/base/log.cpp                  | 13 +++++++++----\n src/libcamera/process.cpp                   | 11 ++++++++---\n 3 files changed, 18 insertions(+), 7 deletions(-)",
    "diff": "diff --git a/src/libcamera/base/global_configuration.cpp b/src/libcamera/base/global_configuration.cpp\nindex f184d4bab..1243a5f4e 100644\n--- a/src/libcamera/base/global_configuration.cpp\n+++ b/src/libcamera/base/global_configuration.cpp\n@@ -53,6 +53,7 @@ void GlobalConfiguration::initialize()\n  * \\code{.yaml}\n  * configuration:\n  *   log:\n+ *     file: syslog\n  *     levels: 'IPAManager:DEBUG'\n  * \\endcode\n  *\ndiff --git a/src/libcamera/base/log.cpp b/src/libcamera/base/log.cpp\nindex 891b4ae9d..07352f6c1 100644\n--- a/src/libcamera/base/log.cpp\n+++ b/src/libcamera/base/log.cpp\n@@ -607,16 +607,21 @@ Logger::Logger()\n  */\n void Logger::parseLogFile()\n {\n-\tconst char *file = utils::secure_getenv(\"LIBCAMERA_LOG_FILE\");\n-\tif (!file)\n+\tstd::optional<std::string> file =\n+\t\tGlobalConfiguration::envOption(\"LIBCAMERA_LOG_FILE\", \"log.file\");\n+\tif (!file.has_value())\n \t\treturn;\n \n-\tif (!strcmp(file, \"syslog\")) {\n+\tauto fileValue = file.value();\n+\tif (fileValue == \"\")\n+\t\treturn;\n+\n+\tif (fileValue == \"syslog\") {\n \t\tlogSetTarget(LoggingTargetSyslog);\n \t\treturn;\n \t}\n \n-\tlogSetFile(file, false);\n+\tlogSetFile(fileValue.c_str(), false);\n }\n \n /**\ndiff --git a/src/libcamera/process.cpp b/src/libcamera/process.cpp\nindex bc9833f41..c034044cf 100644\n--- a/src/libcamera/process.cpp\n+++ b/src/libcamera/process.cpp\n@@ -11,7 +11,9 @@\n #include <dirent.h>\n #include <fcntl.h>\n #include <list>\n+#include <optional>\n #include <signal.h>\n+#include <stdlib.h>\n #include <string.h>\n #include <sys/socket.h>\n #include <sys/types.h>\n@@ -23,6 +25,8 @@\n #include <libcamera/base/log.h>\n #include <libcamera/base/utils.h>\n \n+#include \"libcamera/internal/global_configuration.h\"\n+\n /**\n  * \\file process.h\n  * \\brief Process object\n@@ -261,9 +265,10 @@ int Process::start(const std::string &path,\n \n \t\tcloseAllFdsExcept(fds);\n \n-\t\tconst char *file = utils::secure_getenv(\"LIBCAMERA_LOG_FILE\");\n-\t\tif (file && strcmp(file, \"syslog\"))\n-\t\t\tunsetenv(\"LIBCAMERA_LOG_FILE\");\n+\t\tstd::optional<std::string> file =\n+\t\t\tGlobalConfiguration::envOption(\"LIBCAMERA_LOG_FILE\", \"log.file\");\n+\t\tif (file.has_value() && file.value() != \"syslog\")\n+\t\t\tsetenv(\"LIBCAMERA_LOG_FILE\", \"\", 1);\n \n \t\tconst char **argv = new const char *[args.size() + 2];\n \t\tunsigned int len = args.size();\n",
    "prefixes": [
        "v5",
        "06/15"
    ]
}