我正在为我的Rails应用程序添加流式组件,因为我想开始使用SSE。我已经尝试在一个较小的示例中使其正常工作,但仍然有困难。我一直无法让Rails正确地向curl请求流式传输响应。我正在按照http://tenderlovemaking.com/2012/07/30/is-it-live.html上的教程进行操作。我不确定是否需要为OSX配置一些东西或者我的配置中是否遗漏了某些内容。任何帮助都将不胜感激。
我正在本地的OSX上运行此应用程序。当我运行
问题是我一次性获取到所有响应,而不是按预期逐步获取响应的部分。如果需要更多信息,请告诉我。
我的代码如下:
stream_test_controller.rb
我正在本地的OSX上运行此应用程序。当我运行
curl-i localhost:3000
时,我会得到以下响应:HTTP/1.1 200 OK
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-UA-Compatible: chrome=1
Content-Type: text/event-stream
Last-Modified: Wed Apr 23 23:10:15 2014
Cache-Control: no-cache
Set-Cookie: request_method=GET; path=/
X-Request-Id: 89f2af3e-76e9-4873-85b0-3b6fe45f6343
X-Runtime: 0.001724
Transfer-Encoding: chunked
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
问题是我一次性获取到所有响应,而不是按预期逐步获取响应的部分。如果需要更多信息,请告诉我。
我的代码如下:
stream_test_controller.rb
class StreamTestController < ActionController::Base
include ActionController::Live
def index
response.headers['Content-Type'] = 'text/event-stream'
10.times {
logger.info "hello world sent"
response.stream.write "hello world\n"
sleep 1
}
response.stream.close
end
end
Gemfile
source 'https://rubygems.org'
ruby '2.1.0'
gem 'rails', '4.0.3'
gem 'sqlite3'
gem 'sass-rails', '~> 4.0.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.0.0'
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 1.2'
gem 'puma'
group :doc do
gem 'sdoc', require: false
end
development.rb
StreamTest::Application.configure do
config.preload_frameworks = true
config.allow_concurrency = true
# Settings specified here will take precedence over those in config/application.rb.
# In the development environment your application's code is reloaded on
# every request. This slows down response time but is perfect for development
# since you don't have to restart the web server when you make code changes.
config.cache_classes = true
# Do not eager load code on boot.
config.eager_load = true
# Show full error reports and disable caching.
config.consider_all_requests_local = true
config.action_controller.perform_caching = false
# Don't care if the mailer can't send.
config.action_mailer.raise_delivery_errors = false
# Print deprecation notices to the Rails logger.
config.active_support.deprecation = :log
# Raise an error on page load if there are pending migrations
config.active_record.migration_error = :page_load
# Debug mode disables concatenation and preprocessing of assets.
# This option may cause significant delays in view rendering with a large
# number of complex assets.
config.assets.debug = true
end