On Wed, Oct 17, 2018 at 11:13 AM Kyle Butz <kyleb...@gmail.com> wrote:
>
> Thanks for the help!
>
> So, a copy of the pointer to the Transport used to initialize
> DefaultTransport would be the same, global instance of the Transport?
>
> Does that mean that every time I instantiate a new client, I am using the
> same Transport?
That appears to be the case.
>
> On Wednesday, October 17, 2018 at 11:35:52 AM UTC-5, Burak Serdar wrote:
>>
>> On Wed, Oct 17, 2018 at 10:30 AM Kyle Butz <kyle...@gmail.com> wrote:
>> >
>> > Hi All!
>> >
>> > I'm having trouble understanding whether a new http.Client{} with no
>> > Transport set will use a new copy of DefaultTransport, or the global?
>> >
>> > From client.go:
>> >
>> > func (c *Client) transport() RoundTripper {
>> > if c.Transport != nil {
>> > return c.Transport
>> > }
>> > return DefaultTransport
>> > }
>> >
>> > DefaultTransport's definition from transport.go, as a pointer to a
>> > Transport struct:
>> >
>> > var DefaultTransport RoundTripper = &Transport{
>> > Proxy: ProxyFromEnvironment,
>> > DialContext: (&net.Dialer{
>> > Timeout: 30 * time.Second,
>> > KeepAlive: 30 * time.Second,
>> > DualStack: true,
>> > }).DialContext,
>> > MaxIdleConns: 100,
>> > IdleConnTimeout: 90 * time.Second,
>> > TLSHandshakeTimeout: 10 * time.Second,
>> > ExpectContinueTimeout: 1 * time.Second,
>> > }
>> >
>> >
>> > It looks like transport() is returning a RoundTripper by value. Does that
>> > mean that "return DefaultTransport" returns a new copy of
>> > DefaultTransport, or just a copy of a pointer to the global
>> > DefaultTransport defined in transport.go?
>>
>>
>> DefaultTransport is a pointer to a Transport, so when transport()
>> returns DefaultTransport, it returns an interface containing a copy of
>> the pointer to the Transport used to initialize DefaultTransport.
>>
>> >
>> > Thanks for any tips!
>> > Kyle
>> >
>> > --
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>
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