Class: Modal::SandboxFile

Inherits:
Object
  • Object
show all
Defined in:
lib/modal/sandbox_filesystem.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_descriptor, task_id) ⇒ SandboxFile

Returns a new instance of SandboxFile.



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# File 'lib/modal/sandbox_filesystem.rb', line 5

def initialize(file_descriptor, task_id)
  @file_descriptor = file_descriptor
  @task_id = task_id
end

Instance Attribute Details

#file_descriptor ⇒ Object (readonly)

Returns the value of attribute file_descriptor.



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# File 'lib/modal/sandbox_filesystem.rb', line 3

def file_descriptor
  @file_descriptor
end

#task_id ⇒ Object (readonly)

Returns the value of attribute task_id.



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# File 'lib/modal/sandbox_filesystem.rb', line 3

def task_id
  @task_id
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/modal/sandbox_filesystem.rb', line 179

def close
  request = Modal::Client::ContainerFilesystemExecRequest.new(
    file_close_request: Modal::Client::ContainerFileCloseRequest.new(
      file_descriptor: @file_descriptor
    ),
    task_id: @task_id
  )

  resp = Modal.client.call(:container_filesystem_exec, request)
  exec_id = resp.exec_id

  retries = 10

  while retries > 0
    begin
      output_request = Modal::Client::ContainerFilesystemExecGetOutputRequest.new(
        exec_id: exec_id,
        timeout: 5
      )

      stream = Modal.client.call(:container_filesystem_exec_get_output, output_request)
      stream.each do |batch|
        if batch.respond_to?(:error) && batch.error
          raise SandboxFilesystemError.new("Close failed: #{batch.error.error_message}")
        end
        if batch.respond_to?(:eof) && batch.eof
          return
        end
      end

      retries -= 1
      sleep(0.1)
    rescue GRPC::BadStatus => e
      if e.code == GRPC::Core::StatusCodes::DEADLINE_EXCEEDED
        retries -= 1
        next
      else
        raise e
      end
    end
  end
end

#flush ⇒ Object 



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# File 'lib/modal/sandbox_filesystem.rb', line 136

def flush
  request = Modal::Client::ContainerFilesystemExecRequest.new(
    file_flush_request: Modal::Client::ContainerFileFlushRequest.new(
      file_descriptor: @file_descriptor
    ),
    task_id: @task_id
  )

  resp = Modal.client.call(:container_filesystem_exec, request)
  exec_id = resp.exec_id

  retries = 10

  while retries > 0
    begin
      output_request = Modal::Client::ContainerFilesystemExecGetOutputRequest.new(
        exec_id: exec_id,
        timeout: 5
      )

      stream = Modal.client.call(:container_filesystem_exec_get_output, output_request)
      stream.each do |batch|
        if batch.respond_to?(:error) && batch.error
          raise SandboxFilesystemError.new("Flush failed: #{batch.error.error_message}")
        end
        if batch.respond_to?(:eof) && batch.eof
          return
        end
      end

      retries -= 1
      sleep(0.1)
    rescue GRPC::BadStatus => e
      if e.code == GRPC::Core::StatusCodes::DEADLINE_EXCEEDED
        retries -= 1
        next
      else
        raise e
      end
    end
  end
end

#read ⇒ Object 



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# File 'lib/modal/sandbox_filesystem.rb', line 10

def read
  request = Modal::Client::ContainerFilesystemExecRequest.new(
    file_read_request: Modal::Client::ContainerFileReadRequest.new(
      file_descriptor: @file_descriptor
    ),
    task_id: @task_id
  )

  resp = Modal.client.call(:container_filesystem_exec, request)
  exec_id = resp.exec_id

  data = ""
  completed = false
  retries = 20

  while !completed && retries > 0
    begin
      output_request = Modal::Client::ContainerFilesystemExecGetOutputRequest.new(
        exec_id: exec_id,
        timeout: 10
      )

      stream = Modal.client.call(:container_filesystem_exec_get_output, output_request)

      stream.each do |batch|
        if batch.respond_to?(:output) && batch.output && batch.output.any?
          chunk = if batch.output.first.is_a?(String)
            batch.output.join("")
          elsif batch.output.first.is_a?(Integer)
            batch.output.pack("C*")
          else
            batch.output.map(&:to_s).join("")
          end

          data += chunk.force_encoding("UTF-8")
        end

        if batch.respond_to?(:error) && batch.error
          raise SandboxFilesystemError.new("Read failed: #{batch.error.error_message}")
        end

        if batch.respond_to?(:eof) && batch.eof
          completed = true
          break
        end
      end

      unless completed
        retries -= 1
        sleep(0.1)
      end
    rescue GRPC::BadStatus => e
      if e.code == GRPC::Core::StatusCodes::DEADLINE_EXCEEDED
        retries -= 1
        sleep(0.1)
        next
      else
        raise e
      end
    end
  end

  data
end

#write(data) ⇒ Object 



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# File 'lib/modal/sandbox_filesystem.rb', line 75

def write(data)
  binary_data = if data.is_a?(String)
    data.force_encoding("BINARY")
  else
    data.to_s.force_encoding("BINARY")
  end

  request = Modal::Client::ContainerFilesystemExecRequest.new(
    file_write_request: Modal::Client::ContainerFileWriteRequest.new(
      file_descriptor: @file_descriptor,
      data: binary_data
    ),
    task_id: @task_id
  )

  resp = Modal.client.call(:container_filesystem_exec, request)
  exec_id = resp.exec_id

  completed = false
  retries = 20

  while !completed && retries > 0
    begin
      output_request = Modal::Client::ContainerFilesystemExecGetOutputRequest.new(
        exec_id: exec_id,
        timeout: 10
      )

      stream = Modal.client.call(:container_filesystem_exec_get_output, output_request)

      stream.each do |batch|
        if batch.respond_to?(:error) && batch.error
          raise SandboxFilesystemError.new("Write failed: #{batch.error.error_message}")
        end
        if batch.respond_to?(:eof) && batch.eof
          completed = true
          break
        end
      end

      unless completed
        retries -= 1
        sleep(0.1)
      end
    rescue GRPC::BadStatus => e
      if e.code == GRPC::Core::StatusCodes::DEADLINE_EXCEEDED
        retries -= 1
        sleep(0.1)
        next
      else
        raise e
      end
    end
  end

  unless completed
  end

  data.length
end