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examples: add examples/vweb/server_sent_events; implement vweb.sse

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This commit is contained in:
Delyan Angelov
2021-02-03 15:40:06 +02:00
parent a73c20916d
commit f4b757e47d
7 changed files with 186 additions and 1 deletions
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14
vlib/vweb/vweb.v
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@@ -158,6 +158,17 @@ pub fn (mut ctx Context) ok(s string) Result {
return Result{}
}
pub fn (mut ctx Context) server_error(ecode int) Result {
$if debug {
eprintln('> ctx.server_error ecode: $ecode')
}
if ctx.done {
return Result{}
}
send_string(mut ctx.conn, vweb.http_500) or { }
return Result{}
}
pub fn (mut ctx Context) redirect(url string) Result {
if ctx.done {
return Result{}
@@ -304,7 +315,7 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
page_gen_start := time.ticks()
first_line := reader.read_line() or {
$if debug {
eprintln('Failed first_line') // show this only in debug mode, because it always would be shown after a chromium user visits the site
eprintln('Failed first_line') // show this only in debug mode, because it always would be shown after a chromium user visits the site
}
return
}
@@ -592,6 +603,7 @@ fn handle_conn<T>(mut conn net.TcpConn, mut app T) {
// call action method
if method.args.len == vars.len {
app.$method(vars)
return
} else {
eprintln('warning: uneven parameters count ($method.args.len) in `$method.name`, compared to the vweb route `$method.attrs` ($vars.len)')
}