Total Complexity | 38 |
Total Lines | 179 |
Duplicated Lines | 0 % |
Changes | 0 |
1 | <?php |
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16 | class Unix extends Pipes |
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17 | { |
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18 | |||
19 | /** @var bool */ |
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20 | private $ttyMode; |
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21 | /** @var bool */ |
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22 | private $ptyMode; |
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23 | /** @var bool */ |
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24 | private $disableOutput; |
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25 | |||
26 | public function __construct($ttyMode, $ptyMode, $input, $disableOutput) |
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27 | { |
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28 | $this->ttyMode = (bool) $ttyMode; |
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29 | $this->ptyMode = (bool) $ptyMode; |
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30 | $this->disableOutput = (bool) $disableOutput; |
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31 | |||
32 | if (is_resource($input)) { |
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33 | $this->input = $input; |
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34 | } else { |
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35 | $this->inputBuffer = (string) $input; |
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36 | } |
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37 | } |
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38 | |||
39 | public function __destruct() |
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40 | { |
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41 | $this->close(); |
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42 | } |
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43 | |||
44 | /** |
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45 | * {@inheritdoc} |
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46 | */ |
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47 | public function getDescriptors() |
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48 | { |
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49 | if ($this->disableOutput) { |
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50 | $nullstream = fopen('/dev/null', 'c'); |
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51 | |||
52 | return [ |
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53 | ['pipe', 'r'], |
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54 | $nullstream, |
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55 | $nullstream, |
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56 | ]; |
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57 | } |
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58 | |||
59 | if ($this->ttyMode) { |
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60 | return [ |
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61 | ['file', '/dev/tty', 'r'], |
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62 | ['file', '/dev/tty', 'w'], |
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63 | ['file', '/dev/tty', 'w'], |
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64 | ]; |
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65 | } |
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66 | |||
67 | if ($this->ptyMode && Process::isPtySupported()) { |
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68 | return [ |
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69 | ['pty'], |
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70 | ['pty'], |
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71 | ['pty'], |
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72 | ]; |
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73 | } |
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74 | |||
75 | return [ |
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76 | ['pipe', 'r'], |
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77 | ['pipe', 'w'], // stdout |
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78 | ['pipe', 'w'], // stderr |
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79 | ]; |
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80 | } |
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81 | |||
82 | /** |
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83 | * {@inheritdoc} |
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84 | */ |
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85 | public function getFiles() |
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88 | } |
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89 | |||
90 | /** |
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91 | * {@inheritdoc} |
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92 | */ |
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93 | public function readAndWrite($blocking, $close = false) |
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94 | { |
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95 | |||
96 | if (1 === count($this->pipes) && [0] === array_keys($this->pipes)) { |
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97 | fclose($this->pipes[0]); |
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98 | unset($this->pipes[0]); |
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99 | } |
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100 | |||
101 | if (empty($this->pipes)) { |
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102 | return []; |
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103 | } |
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104 | |||
105 | $this->unblock(); |
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106 | |||
107 | $read = []; |
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108 | |||
109 | if (null !== $this->input) { |
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110 | $r = array_merge($this->pipes, ['input' => $this->input]); |
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111 | } else { |
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112 | $r = $this->pipes; |
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113 | } |
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114 | |||
115 | unset($r[0]); |
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116 | |||
117 | $w = isset($this->pipes[0]) ? [$this->pipes[0]] : null; |
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118 | $e = null; |
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119 | |||
120 | if (false === $n = @stream_select($r, $w, $e, 0, $blocking ? Process::TIMEOUT_PRECISION * 1E6 : 0)) { |
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121 | |||
122 | if (!$this->hasSystemCallBeenInterrupted()) { |
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123 | $this->pipes = []; |
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124 | } |
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125 | |||
126 | return $read; |
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127 | } |
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128 | |||
129 | if (0 === $n) { |
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130 | return $read; |
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131 | } |
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132 | |||
133 | foreach ($r as $pipe) { |
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134 | |||
135 | $type = (false !== $found = array_search($pipe, $this->pipes)) ? $found : 'input'; |
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136 | $data = ''; |
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137 | while ('' !== $dataread = (string) fread($pipe, self::CHUNK_SIZE)) { |
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138 | $data .= $dataread; |
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139 | } |
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140 | |||
141 | if ('' !== $data) { |
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142 | if ('input' === $type) { |
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143 | $this->inputBuffer .= $data; |
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144 | } else { |
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145 | $read[$type] = $data; |
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146 | } |
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147 | } |
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148 | |||
149 | if (false === $data || (true === $close && feof($pipe) && '' === $data)) { |
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150 | if ('input' === $type) { |
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151 | $this->input = null; |
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152 | } else { |
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153 | fclose($this->pipes[$type]); |
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154 | unset($this->pipes[$type]); |
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155 | } |
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156 | } |
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157 | } |
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158 | |||
159 | if (null !== $w && 0 < count($w)) { |
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160 | while (strlen($this->inputBuffer)) { |
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161 | $written = fwrite($w[0], $this->inputBuffer, 2 << 18); // write 512k |
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162 | if ($written > 0) { |
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163 | $this->inputBuffer = (string) substr($this->inputBuffer, $written); |
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164 | } else { |
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165 | break; |
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166 | } |
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167 | } |
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168 | } |
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169 | |||
170 | if ('' === $this->inputBuffer && null === $this->input && isset($this->pipes[0])) { |
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171 | fclose($this->pipes[0]); |
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172 | unset($this->pipes[0]); |
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173 | } |
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174 | |||
175 | return $read; |
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176 | } |
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177 | |||
178 | /** |
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179 | * {@inheritdoc} |
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180 | */ |
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181 | public function areOpen() |
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182 | { |
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183 | return (bool) $this->pipes; |
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184 | } |
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185 | |||
186 | /** |
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187 | * 创建一个新的 UnixPipes 实例 |
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188 | * @param Process $process |
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189 | * @param string|resource $input |
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190 | * @return self |
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191 | */ |
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192 | public static function create(Process $process, $input) |
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195 | } |
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196 | } |
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197 |