macro_rules! choose_mpst_multi_cancel_to_all {
(
$session: expr,
$( $label: path , )+ =>
$( $receiver: ident , )+ =>
$broadcaster: ident,
$sender: ident,
$meshedchannels_name: ident,
$exclusion: literal
) => { ... };
}
Available on crate feature
macros_multiple
only.Expand description
Choose among different sessions that are provided, may fail because of a canceled session. Need to exclude the first participant
Arguments
- The session to be used
- The different
enum
variants which represent the different branches to be sent to each passive role - The different passive roles
- The name of the sender
- The name of the MeshedChannels type that will be used
- The index of the active role
Example
Available on the cancel/cancel_10 test.
ⓘ
match xs.pop() {
Option::Some(_) => {
let s = choose_mpst_multi_cancel_to_all!(
s,
CBranchesBtoC::Video, =>
RoleA,
RoleB, =>
RoleD,
MeshedChannels,
3
);
let s = send_mpst_d_to_a(1, s);
let (_, s) = recv_mpst_d_from_a(s)?;
client_recurs(s, xs, index + 1)
}
Option::None => {
let s = choose_mpst_multi_cancel_to_all!(
s,
CBranchesBtoC::End, =>
RoleA,
RoleB, =>
RoleD,
MeshedChannels,
3
);
close_mpst_multi(s)
}
}
Compile fail
Available on the cancel/cancel_8 test.
ⓘ
use mpstthree::{create_multiple_normal_role, choose_mpst_multi_cancel_to_all};
create_multiple_normal_role!(
RoleA, RoleADual |
RoleB, RoleBDual |
RoleD, RoleDDual |
);
bundle_struct_fork_close_multi!(close_mpst, fork_mpst, MeshedChannels, 3);
match xs.pop() {
Option::Some(_) => {
let s = choose_mpst_multi_cancel_to_all!(
s,
CBranchesAtoC::Video,
CBranchesBtoC::Video, =>
RoleA,
RoleB, =>
RoleD,
MeshedChannels,
3
);
client_recurs(s, xs, index + 1)
}
Option::None => {
let s = choose_mpst_multi_cancel_to_all!(
s,
CBranchesAtoC::End,
CBranchesBtoC::End, =>
RoleA,
RoleB, =>
RoleD,
MeshedChannels,
3
);
close_mpst_multi(s)
}
}
This macro is available only if MultiCrusty is built with
the "macros_multiple"
feature.