X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fatick;a=blobdiff_plain;f=lib%2Fatick%2FProc.php;fp=lib%2Fatick%2FProc.php;h=13e240c1c4e1a3d2d25e8387717d31966da75eb2;hp=0000000000000000000000000000000000000000;hb=69e47998dafb560e9b5ee127a56dbb1bbba40cf7;hpb=69b8d48db614677e819a0292d95ea7d3ea681732

diff --git a/lib/atick/Proc.php b/lib/atick/Proc.php
new file mode 100644
index 0000000..13e240c
--- /dev/null
+++ b/lib/atick/Proc.php
@@ -0,0 +1,187 @@
+<?php
+
+namespace atick;
+
+class Proc implements Able
+{
+	/**
+	 * Command string
+	 * @var string
+	 */
+	protected $command;
+
+	/**
+	 * Process handle
+	 * @var resource
+	 */
+	protected $proc;
+
+	/**
+	 * Proc's pipes
+	 * @var array
+	 */
+	protected $pipes;
+
+	protected $read;
+	protected $error;
+
+	/**
+	 * @param string $command
+	 * @param string $cwd
+	 * @param array $env
+	 * @throws \RuntimeException
+	 */
+	function __construct($command, $cwd = null, array $env = null) {
+		$this->command = $command;
+		$this->proc = proc_open($command, [["pipe","r"],["pipe","w"],["pipe","w"]], $this->pipes, $cwd, $env);
+
+		if (!is_resource($this->proc) || !($status = proc_get_status($this->proc))) {
+			throw new \RuntimeException("Could not open proc '$command': " . error_get_last()["message"]);
+		}
+
+		stream_set_blocking($this->pipes[1], false);
+		stream_set_blocking($this->pipes[2], false);
+	}
+
+	/**
+	 * Returns the command string
+	 * @return string
+	 */
+	function __toString() {
+		return (string) $this->command;
+	}
+
+	/**
+	 * Cleanup pipes and proc handle
+	 */
+	function __destruct() {
+		$this->close();
+	}
+
+	/**
+	 * @inheritdoc
+	 * @implements \aticker\Able
+	 * @param \atick\Ticker $ticker
+	 * @param callable $verify
+	 */
+	function with(Ticker $ticker, callable $verify = null) {
+		if (is_callable($this->read)) {
+			$ticker->read($this->pipes[1], $this->read, $verify ?: array($this, "stat"));
+		} elseif (is_resource($this->read)) {
+			$ticker->read($this->pipes[1], function($fd) {
+				if (strlen($data = fread($fd, 8192))) {
+					fwrite($this->read, $data);
+				}
+			}, $verify ?: array($this, "stat"));
+		} else {
+			$ticker->read($this->pipes[1], function($fd) {
+				/* nirvana */
+				fread($fd, 8192);
+			}, $verify ?: array($this, "stat"));
+		}
+
+		if (is_callable($this->error)) {
+			$ticker->read($this->pipes[2], $this->error, $verify ?: array($this, "stat"));
+		} elseif (is_resource($this->error)) {
+			$ticker->read($this->pipes[2], function($fd) {
+				if (strlen($data = fread($fd, 8192))) {
+					fwrite($this->error, $data);
+				}
+			}, $verify ?: array($this, "stat"));
+		} else {
+			$ticker->read($this->pipes[2], function($fd) {
+				/* nirvana */
+				fread($fd, 8192);
+			}, $verify ?: array($this, "stat"));
+		}
+	}
+
+	function stat() {
+		echo "STAT $this\n";
+		if ($this->proc && proc_get_status($this->proc)["running"]) {
+			if ((isset($this->pipes[1]) && is_resource($this->pipes[1]) && !feof($this->pipes[1]))
+			&&  (isset($this->pipes[2]) && is_resource($this->pipes[2]) && !feof($this->pipes[2]))
+			) {
+				if (isset($this->pipes[0]) && is_resource($this->pipes[0]) && !feof($this->pipes[0])) {
+					return self::READABLE | self::WRITABLE;
+				}
+				return self::READABLE;
+			}
+		}
+		$this->close();
+		return self::CLOSED;
+	}
+
+	function close($what = self::CLOSED) {
+		echo "PROC KILL $this $what\n";
+
+		if (!$what || ($what & self::WRITABLE)) {
+			if (is_resource($this->pipes[0])) {
+				fclose($this->pipes[0]);
+			}
+			$this->pipes[0] = null;
+		}
+
+		if (!$what || ($what & self::READABLE)) {
+			if (is_resource($this->pipes[1])) {
+				fclose($this->pipes[1]);
+			}
+			$this->pipes[1] = null;
+			if (is_resource($this->read)) {
+				fclose($this->read);
+			}
+			if (is_resource($this->pipes[2])) {
+				fclose($this->pipes[2]);
+			}
+			$this->pipes[2] = null;
+			if (is_resource($this->error)) {
+				fclose($this->error);
+			}
+		}
+
+		if (!$what && is_resource($this->proc)) {
+			proc_close($this->proc);
+			$this->proc = null;
+		}
+	}
+
+	/**
+	 * @inheritdoc
+	 * @implements \aticker\Able
+	 * @param string $data
+	 * @return int
+	 */
+	function write($data) {
+		return fwrite($this->pipes[0], $data);
+	}
+
+	/**
+	 * Where to read STDOUT into
+	 * @param resource|callable $into
+	 * @return \atick\Proc
+	 * @throws \InvalidArgumentException
+	 */
+	function read($into) {
+		if (is_resource($into) || is_callable($into)) {
+			$this->read = $into;
+		} else {
+			throw new \InvalidArgumentException("Not a valid resource or callback");
+		}
+		return $this;
+	}
+
+	/**
+	 * Where to pass STDERR into
+	 * @param resource|callable $into
+	 * @return \atick\Proc
+	 * @throws \InvalidArgumentException
+	 */
+	function error($into) {
+		if (is_resource($into) || is_callable($into)) {
+			$this->error = $into;
+		} else {
+			throw new \InvalidArgumentException("Not a valid resource or callback");
+		}
+		return $this;
+	}
+}