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use crate::common::collections::seq_is_unique_v::{endpoints_contain, seq_is_unique};
use crate::common::framework::environment_s::*;
use crate::common::framework::environment_s::*;
// use crate::common::native::io_s::AbstractEndPoint::*;
use crate::common::native::io_s::*;
use crate::common::native::io_s::{abstractify_end_points, EndPoint};
use crate::implementation::common::marshalling::*;
use crate::implementation::RSL::appinterface::*;
use crate::implementation::RSL::cbroadcast::*;
use crate::implementation::RSL::cmessage::*;
use crate::implementation::RSL::types_i::*;
use crate::protocol::RSL::types::*;
use crate::services::RSL::app_state_machine::*;
use builtin::*;
use builtin_macros::*;
use std::collections::*;
use vstd::{map::*, modes::*, prelude::*, seq::*, seq_lib::*, *};
use vstd::{set::*, set_lib::*};
verus! {
// define_enum_and_derive_marshalable! {
// #[derive(Clone)]
// pub enum CMessage {
// #[tag = 0]
// CMessageInvalid{},
// #[tag = 1]
// CMessageRequest{
// #[o=o0] seqno_req:u64,
// #[o=o1] val:CAppMessage,
// },
// #[tag = 2]
// CMessage1a{
// #[o=o0] bal_1a:CBallot,
// },
// #[tag = 3]
// CMessage1b{
// #[o=o0] bal_1b:CBallot,
// #[o=o1] log_truncation_point:COperationNumber,
// // #[o=o2] votes:CVotes,
// },
// #[tag = 4]
// CMessage2a{
// #[o=o0] bal_2a:CBallot,
// #[o=o1] opn_2a:COperationNumber,
// #[o=o2] val_2a:CRequestBatch,
// },
// #[tag = 5]
// CMessage2b{
// #[o=o0] bal_2b:CBallot,
// #[o=o1] opn_2b:COperationNumber,
// #[o=o2] val_2b:CRequestBatch,
// },
// #[tag = 6]
// CMessageHeartbeat{
// #[o=o0] bal_heartbeat:CBallot,
// // #[o=o1] suspicious:bool,
// #[o=o1] opn_ckpt:COperationNumber,
// },
// #[tag = 7]
// CMessageReply{
// #[o=o0] seqno_reply:u64,
// #[o=o1] reply:CAppMessage,
// },
// #[tag = 8]
// CMessageAppStateRequest{
// #[o=o0] bal_state_req:CBallot,
// #[o=o1] opn_state_req:COperationNumber,
// },
// #[tag = 9]
// CMessageAppStateSupply{
// #[o=o0] bal_state_supply:CBallot,
// #[o=o1] opn_state_supply:COperationNumber,
// #[o=o2] app_state:CAppState,
// #[o=o3] reply_cache:CReplyCache,
// },
// #[tag = 10]
// CMessageStartingPhase2{
// #[o=o0] bal_2:CBallot,
// #[o=o1] logTruncationPoint_2:COperationNumber,
// },
// }
// [rlimit attr = verifier::rlimit(25)]
// }
// #[derive(Clone)]
// pub struct CPacket{
// pub dst: EndPoint,
// pub src: EndPoint,
// pub msg: CMessage,
// }
// impl CPacket{
// pub open spec fn abstractable(self) -> bool
// {
// &&& self.dst.abstractable()
// &&& self.src.abstractable()
// &&& self.msg.abstractable()
// }
// pub open spec fn valid(self) -> bool
// {
// &&& self.dst.valid_public_key()
// &&& self.src.valid_public_key()
// &&& self.msg.valid()
// }
// // pub open spec fn view(self) -> RslPacket
// // recommends self.abstractable()
// // {
// // LPacket{
// // dst: self.dst@,
// // src: self.src@,
// // msg: self.msg@,
// // }
// // }
// }
pub enum ReceiveResult {
Fail,
Timeout,
Packet{cpacket: CPacket},
}
#[verifier::external_body]
pub fn print(s: &str) {
println!("{}", s);
}
#[verifier(external_body)]
pub fn deserialize_cappmessage(data: &Vec<u8>, start: usize) -> Option<(CAppMessage, usize)> {
if start >= data.len() {
return None;
}
let tag = data[start];
if tag == 0 {
// println!("valid cappmessage");
Some((CAppMessage::CAppIncrement {}, start + 1))
} else if tag == 1 {
let (response, end) = u64::deserialize(data, start + 1)?;
Some((CAppMessage::CAppReply { response }, end))
} else {
// println!("invalid cappmessage");
None
}
}
#[verifier(external_body)]
pub fn deserialize_crequest(data: &Vec<u8>, start: usize) -> Option<(CRequest, usize)> {
let (client, mid1) = EndPoint::deserialize(data, start)?;
let (seqno, mid2) = u64::deserialize(data, mid1)?;
let (request, end) = deserialize_cappmessage(data, mid2)?;
Some((CRequest {
client,
seqno,
request,
}, end))
}
#[verifier(external_body)]
pub fn deserialize_crequestbatch(data: &Vec<u8>, start: usize) -> Option<(Vec<CRequest>, usize)> {
let (len, mut mid) = match usize::deserialize(data, start) {
Some(x) => x,
None => return None,
};
let mut batch = Vec::with_capacity(len);
let mut i = 0;
while i < len {
let (req, next) = match deserialize_crequest(data, mid) {
Some(x) => x,
None => {
println!("Failed to deserialize CRequest at index {}", i);
return None;
}
};
batch.push(req);
mid = next;
i += 1;
}
Some((batch, mid))
}
#[verifier(external_body)]
pub fn deserialize_cmessagerequest(buffer: &Vec<u8>, start: usize) -> Option<(CMessage, usize)> {
if start + 9 > buffer.len() {
return None;
}
let mut mid = start;
mid += 1;
let (seqno_req, next) = match u64::deserialize(buffer, mid) {
Some(x) => x,
None => return None,
};
mid = next;
let (val, end) = match deserialize_cappmessage(buffer, mid) {
Some(x) => x,
None => return None,
};
Some((CMessage::CMessageRequest {
seqno_req,
val,
}, end))
}
#[verifier(external_body)]
pub fn deserialize_cmessage2a(data: &Vec<u8>, start: usize) -> Option<(CMessage, usize)> {
if start >= data.len() { return None; }
if data[start] != 4 { return None; }
let mut mid = start + 1;
let (bal, m1) = match CBallot::deserialize(data, mid) {
Some(x) => x,
None => {println!("invalid ballot"); return None},
};
let (opn, m2) = u64::deserialize(data, m1)?;
let (val, end) = match deserialize_crequestbatch(data, m2){
Some(x) => x,
None => {println!("invalid crequestbatch"); return None},
};
Some((CMessage::CMessage2a {
bal_2a: bal,
opn_2a: opn,
val_2a: val,
}, end))
}
#[verifier(external_body)]
pub fn deserialize_cmessage2b(data: &Vec<u8>, start: usize) -> Option<(CMessage, usize)> {
if start >= data.len() { return None; }
if data[start] != 5 { return None; }
let mut mid = start + 1;
let (bal, m1) = match CBallot::deserialize(data, mid) {
Some(x) => x,
None => {println!("invalid ballot"); return None},
};
let (opn, m2) = u64::deserialize(data, m1)?;
let (val, end) = match deserialize_crequestbatch(data, m2){
Some(x) => x,
None => {println!("invalid crequestbatch"); return None},
};
Some((CMessage::CMessage2b {
bal_2b: bal,
opn_2b: opn,
val_2b: val,
}, end))
}
#[verifier(external_body)]
pub fn rsl_demarshall_data_method(buffer: &Vec<u8>) -> (out: CMessage)
{
// println!("trying to deserialize CMessage");
// println!("buffer len: {}", buffer.len());
if buffer[0] == 1 {
// println!("first byte (tag): {}", buffer[0]);
// println!("buffer len: {}", buffer.len());
// println!("last byte (tag): {}", buffer[9]);
let msg = deserialize_cmessagerequest(buffer, 0);
match msg {
None => {
print("invalid message");
return CMessage::CMessageInvalid{};
},
Some((cmessage, count)) => {
if count != buffer.len() {print("count and length mismatch"); return CMessage::CMessageInvalid{};}
else {
return cmessage;
}
}
}
} else if buffer[0] == 4 {
let msg = deserialize_cmessage2a(buffer, 0);
match msg {
None => {
print("invalid 2a message");
return CMessage::CMessageInvalid{};
},
Some((cmessage, count)) => {
if count != buffer.len() {print("count and length mismatch"); return CMessage::CMessageInvalid{};}
else {
return cmessage;
}
}
}
} else if buffer[0] == 5 {
let msg = deserialize_cmessage2b(buffer, 0);
match msg {
None => {
print("invalid 2b message");
return CMessage::CMessageInvalid{};
},
Some((cmessage, count)) => {
if count != buffer.len() {print("count and length mismatch"); return CMessage::CMessageInvalid{};}
else {
return cmessage;
}
}
}
}
match CMessage::deserialize(&buffer, 0)
{
None => {
print("invalid message");
CMessage::CMessageInvalid{}
},
Some((cmessage, count)) => {
if count != buffer.len() {print("count and length mismatch"); return CMessage::CMessageInvalid{};}
else {
// print("receive valid msg");
cmessage
}
}
}
}
#[verifier(external_body)]
pub fn receive_packet(netc: &mut NetClient, local_addr: &EndPoint) -> (rc: (ReceiveResult, Ghost<NetEvent>))
{
let timeout = 0;
let netr = netc.receive(timeout);
match netr {
NetcReceiveResult::Error => {
let dummy = NetEvent::TimeoutReceive{};
println!("receive error");
(ReceiveResult::Fail, Ghost(dummy))
},
NetcReceiveResult::TimedOut{} => {
// println!("receive timeout");
(ReceiveResult::Timeout{}, Ghost(NetEvent::TimeoutReceive{}))
},
NetcReceiveResult::Received{sender, message} => {
// println!("receive success");
let rslmessage = rsl_demarshall_data_method(&message);
let src_ep = sender;
let cpacket = CPacket{dst: local_addr.clone_up_to_view(), src: src_ep,msg: rslmessage};
let ghost net_event: NetEvent = LIoOp::Receive{
r: LPacket{dst: local_addr@, src: src_ep@, msg: message@}
};
(ReceiveResult::Packet{cpacket}, Ghost(net_event))
}
}
}
#[verifier(external_body)]
pub fn send_packet(cpacket: &CPacket, netc: &mut NetClient) -> (rc:(bool, Ghost<Option<NetEvent>>))
{
// let ghost net_events = Seq::<NetEvent>::empty();
let mut buf: Vec<u8> = Vec::new();
cpacket.msg.serialize(&mut buf);
let _ = buf.len();
match netc.send(&cpacket.dst, &buf)
{
Ok(_) => {
let ghost lpacket = LPacket::<AbstractEndPoint, Seq<u8>>{ dst: cpacket.dst@, src: netc.my_end_point(), msg: buf@ };
let ghost net_event = LIoOp::Send{s: lpacket};
(true, Ghost(Some(net_event)))
},
Err(_) => {
(false, Ghost(None))
}
}
}
pub fn send_packet_seq(cpackets: &Vec<CPacket>, netc: &mut NetClient) -> (rc:(bool, Ghost<Seq<NetEvent>>))
{
let ghost net_events = Seq::<NetEvent>::empty();
let mut i:usize = 0;
while i < cpackets.len()
{
let cpacket: &CPacket = &cpackets[i];
let (ok, Ghost(net_event)) = send_packet(cpacket, netc);
if !ok {
return (false, Ghost(Seq::<NetEvent>::empty()));
}
i = i + 1;
}
(true, Ghost(net_events))
}
pub fn send_broadcast(broadcast: &CBroadcast, netc: &mut NetClient) -> (rc:(bool, Ghost<Seq<NetEvent>>))
{
let ghost net_events = Seq::<NetEvent>::empty();
match broadcast{
CBroadcast::CBroadcastNop { } => {
(true, Ghost(net_events))
}
CBroadcast::CBroadcast { src, dsts, msg } => {
let mut i:usize = 0;
while i < dsts.len()
{
let dstEp:EndPoint = dsts[i].clone_up_to_view();
let cpacket: CPacket = CPacket{dst: dstEp, src: src.clone_up_to_view(), msg: msg.clone_up_to_view()};
let (ok, Ghost(net_event)) = send_packet(&cpacket, netc);
if !ok {
return (false, Ghost(Seq::<NetEvent>::empty()));
}
i = i + 1;
}
(true, Ghost(net_events))
}
}
}
#[verifier(external_body)]
pub fn read_clock(netc: &mut NetClient) -> (clock:u64)
{
let t = netc.get_time();
t
}
}