joopschilder/zmq-fileserver
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zmq-fileserver
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Add logf method for standardized logging

This commit is contained in:
Joop Schilder 2020-06-20 23:21:53 +02:00
parent 744373e584
commit a674d60568
1 changed files with 19 additions and 11 deletions
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30
src/FileServer.php
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@ -15,6 +15,11 @@ class FileServer
$this->initializePoll();
}
private function logf(string $format, ...$args): void
{
printf("[%s] %s%s", date('H:i:s'), sprintf($format, ...$args), PHP_EOL);
}
private function initializeRootDirectory(string $rootDirectory): void
{
$this->rootDirectory = rtrim($rootDirectory, DIRECTORY_SEPARATOR);
@ -22,14 +27,16 @@ class FileServer
mkdir($this->rootDirectory, 0777, true);
}
if (!is_dir($this->rootDirectory)) {
throw new RuntimeException("Unable to create directory '{$this->rootDirectory}'");
$this->logf('Error: unable to create directory \'%s\'', $this->rootDirectory);
die(1);
}
}
private function initializeCommandSocket(ZMQContext $context, array $commandDSNs): void
{
if (count($commandDSNs) === 0) {
throw new InvalidArgumentException("At least one binding required");
$this->logf('Error: need at least one DSN for the command socket');
die(1);
}
$this->commandSocket = new ZMQSocket($context, ZMQ::SOCKET_PULL);
$this->commandSocket->setSockOpt(ZMQ::SOCKOPT_HWM, 5);
@ -41,7 +48,8 @@ class FileServer
private function initializeQuerySocket(ZMQContext $context, array $queryDSNs): void
{
if (count($queryDSNs) === 0) {
throw new InvalidArgumentException("At least one binding required");
$this->logf('Error: need at least one DSN for the query socket');
die(1);
}
$this->querySocket = new ZMQSocket($context, ZMQ::SOCKET_REP);
$this->querySocket->setSockOpt(ZMQ::SOCKOPT_HWM, 5);
@ -77,7 +85,7 @@ class FileServer
case 'LOAD':
if (count($arguments) !== 2) {
$this->querySocket->send(-1);
$this->onNotEnoughArguments($query, 2, count($arguments));
$this->onUnexpectedAmountOfArguments($query, 2, count($arguments));
return;
}
$this->querySocket->send(@file_get_contents("{$this->rootDirectory}/{$arguments[0]}/{$arguments[1]}") ?: -1);
@ -85,7 +93,7 @@ class FileServer
case 'CONTAINS':
if (count($arguments) !== 2) {
$this->querySocket->send(-1);
$this->onNotEnoughArguments($query, 2, count($arguments));
$this->onUnexpectedAmountOfArguments($query, 2, count($arguments));
return;
}
$this->querySocket->send(file_exists("{$this->rootDirectory}/{$arguments[0]}/{$arguments[1]}") ? 'Y' : 'N');
@ -104,21 +112,21 @@ class FileServer
switch ($command) {
case 'SAVE':
if (count($arguments) !== 3) {
$this->onNotEnoughArguments($command, 3, count($arguments));
$this->onUnexpectedAmountOfArguments($command, 3, count($arguments));
return;
}
$this->saveFile($arguments[0], $arguments[1], $arguments[2]);
break;
case 'DELETE':
if (count($arguments) !== 2) {
$this->onNotEnoughArguments($command, 2, count($arguments));
$this->onUnexpectedAmountOfArguments($command, 2, count($arguments));
return;
}
$this->deleteFile($arguments[0], $arguments[1]);
break;
case 'DELETE_ALL':
if (count($arguments) !== 1) {
$this->onNotEnoughArguments($command, 1, count($arguments));
$this->onUnexpectedAmountOfArguments($command, 1, count($arguments));
return;
}
$this->deleteAll($arguments[0]);
@ -129,15 +137,15 @@ class FileServer
}
}
private function onNotEnoughArguments(string $input, int $expected, int $actual): void
private function onUnexpectedAmountOfArguments(string $input, int $expected, int $actual): void
{
printf(date('[H:i:s]') . " Error: unexpected amount of arguments for input '%s' (%d/%d)\n", $input, $actual, $expected);
$this->logf('Error: unexpected amount of arguments for input \'%s\' (%d/%d)', $input, $actual, $expected);
}
private function onUnknownInput(string $input, array $arguments): void
{
$arguments = array_map(fn($v) => substr($v, 0, 12), $arguments);
printf(date('[H:i:s]') . " Error: unknown input '%s' with arguments [%s]\n", $input, implode(', ', $arguments));
$this->logf('Error: unknown input \'%s\' with arguments [%s]', $input, implode(', ', $arguments));
}
private function saveFile(string &$namespace, string &$name, string &$content): void