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{ "id": 1530, "url": "https://patchwork.libcamera.org/api/covers/1530/?format=api", "web_url": "https://patchwork.libcamera.org/cover/1530/", "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": "<20190630162514.20522-1-niklas.soderlund@ragnatech.se>", "date": "2019-06-30T16:25:11", "name": "[libcamera-devel,v2,0/3] libcamera: ipc: unix: Add a IPC mechanism based on Unix sockets", "submitter": { "id": 5, "url": "https://patchwork.libcamera.org/api/people/5/?format=api", "name": "Niklas Söderlund", "email": "niklas.soderlund@ragnatech.se" }, "mbox": "https://patchwork.libcamera.org/cover/1530/mbox/", "series": [ { "id": 382, "url": "https://patchwork.libcamera.org/api/series/382/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=382", "date": "2019-06-30T16:25:12", "name": "libcamera: ipc: unix: Add a IPC mechanism based on Unix sockets", "version": 2, "mbox": "https://patchwork.libcamera.org/series/382/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/covers/1530/comments/", "headers": { "Return-Path": "<niklas.soderlund@ragnatech.se>", "Received": [ "from bin-mail-out-06.binero.net (bin-mail-out-06.binero.net\n\t[195.74.38.229])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 65C3861E16\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSun, 30 Jun 2019 18:25:31 +0200 (CEST)", "from bismarck.berto.se (unknown [145.14.112.32])\n\tby bin-vsp-out-01.atm.binero.net (Halon) with ESMTPA\n\tid 9c58cfd6-9b53-11e9-8ab4-005056917a89;\n\tSun, 30 Jun 2019 18:25:09 +0200 (CEST)" ], "X-Halon-ID": "9c58cfd6-9b53-11e9-8ab4-005056917a89", "Authorized-sender": "niklas@soderlund.pp.se", "From": "=?utf-8?q?Niklas_S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Sun, 30 Jun 2019 18:25:11 +0200", "Message-Id": "<20190630162514.20522-1-niklas.soderlund@ragnatech.se>", "X-Mailer": "git-send-email 2.21.0", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH v2 0/3] libcamera: ipc: unix: Add a IPC\n\tmechanism based on Unix sockets", "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": "Sun, 30 Jun 2019 16:25:31 -0000" }, "content": "Hello,\n\nThis series adds an IPC mechanism to pass data and file descriptors\nbetween two processes. The interface is asynchronous and bi-directional.\n\n* Changes since v1\n- Add a bugfix for Timer which prevented the test case to function \n properly.\n- Add destructor to close the IPC channel.\n- Rename attach() to bind().\n- Add isBound() mehtod.\n- Rework signal emitted for incoming data to Signal<IPCUnixSocket *> \n readyRead.\n- Make payload argument in send() const at the cost of adding a \n const_cast().\n- Dropped unused master_ property.\n- Updated documentation, thanks Laurent!\n- Add a call() method in the test case to simplify test logic.\n- Use dup() instead of opening the same file path multiple times.\n\n* Changes since RFC\n- Switch to an event notifications and signals for the ingress code\n path, making the interface asynchronous.\n- Removed any protocol helpers in the IPC object, a protocol should be\n implemented on top of the IPC.\n- Added documentation.\n- Switched to SOCK_DGRAM.\n- Send both data and file descriptors in the same sendmsg().\n- Fixed spelling and silly errors in the code.\n- Merged test case in a single binary.\n\nNiklas Söderlund (3):\n libcamera: timer: Stop timer when it is deleted\n libcamera: ipc: unix: Add a IPC mechanism based on Unix sockets\n test: ipc: unix: Add test for IPCUnixSocket\n\n include/libcamera/timer.h | 1 +\n src/libcamera/include/ipc_unixsocket.h | 57 ++++\n src/libcamera/ipc_unixsocket.cpp | 312 ++++++++++++++++++++\n src/libcamera/meson.build | 2 +\n src/libcamera/timer.cpp | 5 +\n test/ipc/meson.build | 12 +\n test/ipc/unixsocket.cpp | 390 +++++++++++++++++++++++++\n test/meson.build | 1 +\n 8 files changed, 780 insertions(+)\n create mode 100644 src/libcamera/include/ipc_unixsocket.h\n create mode 100644 src/libcamera/ipc_unixsocket.cpp\n create mode 100644 test/ipc/meson.build\n create mode 100644 test/ipc/unixsocket.cpp" }