1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
use crate::{Call, CallRef, Httpc, RecvState, ResponseBody, SendState};
#[derive(Clone, Copy, PartialEq, Eq)]
enum State {
Sending,
Receiving,
Done,
}
pub struct SimpleCall {
state: State,
id: Call,
resp: Option<crate::Response>,
resp_body: Option<Vec<u8>>,
}
impl SimpleCall {
pub fn is_ref(&self, r: CallRef) -> bool {
self.id.is_ref(r)
}
pub fn call(&self) -> &Call {
&self.id
}
pub fn finish_inplace(&mut self) -> Option<(crate::Response, Vec<u8>)> {
let out = ::std::mem::replace(self, SimpleCall::empty());
out.finish()
}
pub fn finish(mut self) -> Option<(crate::Response, Vec<u8>)> {
let r = self.resp.take();
let b = self.resp_body.take();
if let Some(rs) = r {
if let Some(rb) = b {
return Some((rs, rb));
}
return Some((rs, Vec::new()));
}
None
}
pub fn abort_inplace(&mut self, htp: &mut Httpc) {
let out = ::std::mem::replace(self, SimpleCall::empty());
htp.call_close(out.id);
}
pub fn abort(self, htp: &mut Httpc) {
htp.call_close(self.id);
}
pub fn is_call(&self, cid: &Option<CallRef>) -> bool {
if let &Some(ref b) = cid {
return self.id.is_ref(*b);
}
false
}
pub fn is_opt_callid(a: &Option<SimpleCall>, b: &Option<CallRef>) -> bool {
if let &Some(ref a) = a {
if let &Some(ref b) = b {
return a.is_ref(*b);
}
}
false
}
pub fn is_done(&self) -> bool {
self.state == State::Done
}
pub fn is_receiving(&self) -> bool {
self.state == State::Receiving
}
pub fn perform(&mut self, htp: &mut Httpc, poll: &::mio::Poll) -> crate::Result<bool> {
if self.is_done() {
return Ok(true);
}
if self.state == State::Sending {
match htp.call_send(poll, &mut self.id, None) {
SendState::Wait => {}
SendState::Receiving => {
self.state = State::Receiving;
}
SendState::SentBody(_) => {}
SendState::Error(e) => {
self.state = State::Done;
return Err(From::from(e));
}
SendState::WaitReqBody => {
self.state = State::Done;
return Err(crate::Error::MissingBody);
}
SendState::Done => {
self.state = State::Done;
return Ok(true);
}
}
}
if self.state == State::Receiving {
loop {
match htp.call_recv(poll, &mut self.id, None) {
RecvState::DoneWithBody(b) => {
self.resp_body = Some(b);
self.state = State::Done;
return Ok(true);
}
RecvState::Done => {
self.state = State::Done;
return Ok(true);
}
RecvState::Error(e) => {
self.state = State::Done;
return Err(From::from(e));
}
RecvState::Response(r, body) => {
self.resp = Some(r);
match body {
ResponseBody::Sized(0) => {
self.state = State::Done;
return Ok(true);
}
_ => {}
}
}
RecvState::Wait => {
break;
}
RecvState::Sending => {
self.state = State::Sending;
return self.perform(htp, poll);
}
RecvState::ReceivedBody(_s) => {}
}
}
}
Ok(false)
}
pub fn empty() -> SimpleCall {
SimpleCall {
state: State::Done,
id: crate::Call::empty(),
resp: None,
resp_body: None,
}
}
pub fn is_empty(&self) -> bool {
self.id.is_empty()
}
}
impl From<Call> for SimpleCall {
fn from(v: Call) -> SimpleCall {
SimpleCall {
state: State::Sending,
id: v,
resp: None,
resp_body: None,
}
}
}