Log services - Revision history

Hexkyz at 03:48, 25 March 2026

2026-03-25T02:48:16Z

← Older revision		Revision as of 05:48, 25 March 2026
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	\| 3 \|\| [20.0.0+] DevNotify		\| 3 \|\| [20.0.0+] DevNotify
	\|-		\|-
	\| 11 \|\| [22.0.0+]		\| 11 \|\| [22.0.0+] [[#OpenSharedMemoryAccessorForHashedLog]]
	\|}		\|}

	=== Log ===		=== Log ===
	Takes a type-0x21 input buffer containing the message to log.		Takes a type-0x21 input buffer containing the message to log.

	Will always return successfully.		Will always return successfully.

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	\|-		\|-
	\| 0xFFFF \|\| Log to all destinations		\| 0xFFFF \|\| Log to all destinations
			\|}

			=== OpenSharedMemoryAccessorForHashedLog ===
			No input. Returns an [[#ISharedMemoryAccessor]].

			=== ISharedMemoryAccessor ===
			This is "nn::lm::ISharedMemoryAccessor".

			This was added with [22.0.0+].

			{\| class="wikitable" border="1"
			\|-
			! Cmd \|\| Name
			\|-
			\| 0 \|\| GetBufferSize
			\|-
			\| 1 \|\| GetSharedMemoryHandle
			\|-
			\| 2 \|\| GetCanPushEventHandle
			\|-
			\| 3 \|\| GetCanPopEventHandle
	\|}		\|}

Hexkyz at 02:40, 20 March 2026

2026-03-20T01:40:26Z

← Older revision		Revision as of 04:40, 20 March 2026
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	\|-		\|-
	\| 3 \|\| [20.0.0+] DevNotify		\| 3 \|\| [20.0.0+] DevNotify
			\|-
			\| 11 \|\| [22.0.0+]
	\|}		\|}

Hexkyz at 00:44, 17 December 2025

2025-12-16T23:44:24Z

Show changes

Hexkyz: /* ILogger */

2025-04-30T19:39:12Z

ILogger

← Older revision		Revision as of 23:39, 30 April 2025
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	\| 1 \|\| [3.0.0+] [[#SetDestination]]		\| 1 \|\| [3.0.0+] [[#SetDestination]]
	\|-		\|-
	\| 2 \|\| [20.0.0+]		\| 2 \|\| [20.0.0+] TransmitHashedLog
	\|-		\|-
	\| 3 \|\| [20.0.0+]		\| 3 \|\| [20.0.0+] DevNotify
	\|}		\|}

Hexkyz at 16:47, 30 April 2025

2025-04-30T14:47:16Z

← Older revision		Revision as of 18:47, 30 April 2025
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	\|-		\|-
	\| 1 \|\| [3.0.0+] [[#SetDestination]]		\| 1 \|\| [3.0.0+] [[#SetDestination]]
			\|-
			\| 2 \|\| [20.0.0+]
			\|-
			\| 3 \|\| [20.0.0+]
	\|}		\|}

XorTroll at 23:44, 1 December 2020

2020-12-01T22:44:10Z

← Older revision		Revision as of 01:44, 2 December 2020
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	* LogServerProxy object - sends log data via HTCS (see [[TMA_services]])		* LogServerProxy object - sends log data via HTCS (see [[TMA_services]])

	* ~~LogGetterLogger~~ object - retains log data which can be later retrieved by [[#lm:get]]:		* CustomSinkBuffer object - retains log data which can be later retrieved by [[#lm:get]]:
	** When processes log via [[#lm]] service, some code analyzes the log packet, locates the TextLog ([[#LogDataChunkKey]]) chunk (if present) and saves it's contents in a global buffer (therefore, only the actual log message gets retained).		** When processes log via [[#lm]] service, some code analyzes the log packet, locates the TextLog ([[#LogDataChunkKey]]) chunk (if present) and saves it's contents in a global buffer (therefore, only the actual log message gets retained).
	** Log packets are only analyzed/retained after enabling it (by calling [[#StartLogging]]), and the [[#GetLog]] command just reads data from the global buffer.		** Log packets are only analyzed/retained after enabling it (by calling [[#StartLogging]]), and the [[#GetLog]] command just reads data from the global buffer.
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	** When an [[#ILogger]] gets created, this object will send a packet containing the logger's process ID and a LogSessionBegin chunk, telling the remote connection that a new process has started logging. Analogously, when the logger gets destroyed, a simple packet with the process ID and a LogSessionEnd chunk gets sent, telling the remote connection that the process has stopped logging.		** When an [[#ILogger]] gets created, this object will send a packet containing the logger's process ID and a LogSessionBegin chunk, telling the remote connection that a new process has started logging. Analogously, when the logger gets destroyed, a simple packet with the process ID and a LogSessionEnd chunk gets sent, telling the remote connection that the process has stopped logging.
	** As mentioned above, the flush thread will tell this object to send a simple packet with a LogPacketDropCount chunk after flushing succeeds (and if there any dropped packets).		** As mentioned above, the flush thread will tell this object to send a simple packet with a LogPacketDropCount chunk after flushing succeeds (and if there any dropped packets).
	** These event log packets are logged via the LogBuffer object, like process logs, but they are not analized by the ~~LogGetterLogger~~ object since they have no text to be saved.		** These event log packets are logged via the LogBuffer object, like process logs, but they are not analized by the CustomSinkBuffer object since they have no text to be saved.

	* LogBuffer object - responsible for flushing log packets:		* LogBuffer object - responsible for flushing log packets:

SciresM at 23:17, 1 December 2020

2020-12-01T22:17:52Z

← Older revision		Revision as of 01:17, 2 December 2020
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	! Value \|\| Description		! Value \|\| Description
	\|-		\|-
	\| 1 \|\| ~~Log to SD card / HTCS~~		\| 1 \|\| TMA
	\|-		\|-
	\| 2 \|\| ~~(?)~~		\| 2 \|\| UART
			\|-
			\| 4 \|\| UART when sleeping
			\|-
			\| 0xFFFF \|\| Log to all destinations
	\|}		\|}

XorTroll at 19:57, 1 December 2020

2020-12-01T18:57:49Z

← Older revision		Revision as of 21:57, 1 December 2020
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	== SetDestination ==		== SetDestination ==

	Takes an input u32 mask value indicating the logging destinations to send incoming log messages to. The mask entries are as follows:		Takes an input u32 mask value indicating the logging destinations to send incoming log messages to. This is stored as a global value. The mask entries are as follows:

	{\| class="wikitable" border="1"		{\| class="wikitable" border="1"

XorTroll at 19:56, 1 December 2020

2020-12-01T18:56:51Z

← Older revision		Revision as of 21:56, 1 December 2020
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	\| 1 \|\| Log to SD card / HTCS		\| 1 \|\| Log to SD card / HTCS
	\|-		\|-
	\| 2 \|\| ~~Disable something~~ (?)		\| 2 \|\| (?)
	\|}		\|}

XorTroll at 19:47, 1 December 2020

2020-12-01T18:47:47Z

← Older revision		Revision as of 21:47, 1 December 2020
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	This is "nn::lm::ILogService".		This is "nn::lm::ILogService".

	This service is stubbed on retail, with all the commands/interfaces being present but returning success and doing ~~anything~~.		This service is stubbed on retail, with all the commands/interfaces being present but returning success and doing nothing.

	{\| class="wikitable" border="1"		{\| class="wikitable" border="1"