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author | Andrew Manning <tamanning@zoho.com> | 2016-06-30 21:51:33 -0400 |
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committer | Andrew Manning <tamanning@zoho.com> | 2016-06-30 21:51:33 -0400 |
commit | 0fd8eeec23a0613db8ea6c5bb54b4658ddaa0e61 (patch) | |
tree | b6684b05aee92729406a90f397ccd446f58863c7 /Zotlabs/Daemon/README.md | |
parent | 7124c0aee5486aab74272c81ceb3e383b2e3a7f7 (diff) | |
parent | 852b2659e9a71f0542e822aa20efc009e22ff66a (diff) | |
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Merge remote-tracking branch 'upstream/dev' into wiki
Diffstat (limited to 'Zotlabs/Daemon/README.md')
-rw-r--r-- | Zotlabs/Daemon/README.md | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Zotlabs/Daemon/README.md b/Zotlabs/Daemon/README.md new file mode 100644 index 000000000..cb5b00a56 --- /dev/null +++ b/Zotlabs/Daemon/README.md @@ -0,0 +1,43 @@ +Daemon (background) Processes +============================= + + +This directory provides background tasks which are executed by a +command-line process and detached from normal web processing. + +Background tasks are invoked by calling + + + Zotlabs\Daemon\Master::Summon([ $cmd, $arg1, $argn... ]); + +The Master class loads the desired command file and passes the arguments. + + +To create a background task 'Foo' use the following template. + + <?php + + namespace Zotlabs\Daemon; + + class Foo { + + static public function run($argc,$argv) { + // do something + } + } + + +The Master class "summons" the command by creating an executable script +from the provided arguments, then it invokes "Release" to execute the script +detached from web processing. This process calls the static::run() function +with any command line arguments using the traditional argc, argv format. + +Please note: These are *real* $argc, $argv variables passed from the command +line, and not the parsed argc() and argv() functions/variables which were +obtained from parsing path components of the request URL by web processes. + +Background processes do not emit displayable output except through logs. They +should also not make any assumptions about their HTML and web environment +(as they do not have a web environment), particularly with respect to global +variables such as $_SERVER, $_REQUEST, $_GET, $_POST, $_COOKIES, and $_SESSION. + |