38 lines
897 B
V
38 lines
897 B
V
module main
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import os
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import rand
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import time
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import vweb
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import vweb.sse
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struct App {
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vweb.Context
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}
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fn main() {
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mut app := &App{}
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app.serve_static('/favicon.ico', 'favicon.ico')
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app.mount_static_folder_at(os.resource_abs_path('.'), '/')
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vweb.run(app, 8081)
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}
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pub fn (mut app App) index() vweb.Result {
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title := 'SSE Example'
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return $vweb.html()
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}
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fn (mut app App) sse() vweb.Result {
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mut session := sse.new_connection(app.conn)
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// NB: you can setup session.write_timeout and session.headers here
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session.start() or { return app.server_error(501) }
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session.send_message(data: 'ok') or { return app.server_error(501) }
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for {
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data := '{"time": "$time.now().str()", "random_id": "$rand.ulid()"}'
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session.send_message(event: 'ping', data: data) or { return app.server_error(501) }
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println('> sent event: $data')
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time.sleep(1 * time.second)
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}
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return app.server_error(501)
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}
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