grpc/php/files/ClientStreamingCall.php.txt

<?php
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 *
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 *
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namespace Grpc;

/**
 * Represents an active call that sends a stream of messages and then gets a
 * single response.
 */
class ClientStreamingCall extends AbstractCall {
  /**
   * Start the call.
   * @param Traversable $arg_iter The iterator of arguments to send
   * @param array $metadata Metadata to send with the call, if applicable
   */
  public function start($arg_iter, $metadata = array()) {
    $event = $this->call->startBatch([OP_SEND_INITIAL_METADATA => $metadata]);
    foreach($arg_iter as $arg) {
      $this->call->startBatch([OP_SEND_MESSAGE => $arg->serialize()]);
    }
    $this->call->startBatch([OP_SEND_CLOSE_FROM_CLIENT => true]);
  }

  /**
   * Wait for the server to respond with data and a status
   * @return [response data, status]
   */
  public function wait() {
    $event = $this->call->startBatch([
        OP_RECV_INITIAL_METADATA => true,
        OP_RECV_MESSAGE => true,
        OP_RECV_STATUS_ON_CLIENT => true]);
    $this->metadata = $event->metadata;
    return array($this->deserializeResponse($event->message), $event->status);
  }
}