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
|
/* SPDX-License-Identifier: Apache-2.0 */
/*
* Copyright (C) Andrew Clayton
* Copyright (C) Timo Stark
* Copyright (C) F5, Inc.
*/
// Include RAW FFI Bindings.
// @todo: Replace this with the new native Rust API
use unit_wasm::ffi::*;
use std::os::raw::c_char;
use std::os::raw::c_void;
use std::ptr;
static mut CTX: luw_ctx_t = luw_ctx_t {
addr: ptr::null_mut(),
mem: ptr::null_mut(),
req: ptr::null_mut(),
resp: ptr::null_mut(),
resp_hdr: ptr::null_mut(),
resp_offset: 0,
req_buf: ptr::null_mut(),
hdrp: ptr::null_mut(),
reqp: ptr::null_mut(),
};
static mut TOTAL_RESPONSE_SENT: usize = 0;
// Buffer of some size to store the copy of the request
static mut REQUEST_BUF: *mut u8 = ptr::null_mut();
#[no_mangle]
pub extern "C" fn luw_response_end_handler() {
unsafe {
TOTAL_RESPONSE_SENT = 0;
}
}
#[no_mangle]
pub extern "C" fn luw_request_end_handler() {
unsafe {
if REQUEST_BUF.is_null() {
return;
}
luw_free(REQUEST_BUF as *mut c_void);
REQUEST_BUF = ptr::null_mut();
}
}
pub fn upload_reflector(ctx: *mut luw_ctx_t) -> i32 {
let write_bytes: usize;
unsafe {
// Send headers
if TOTAL_RESPONSE_SENT == 0 {
let content_len = format!("{}\0", luw_get_http_content_len(ctx));
let defct = "application/octet-stream\0".as_ptr() as *const c_char;
let mut ct = luw_http_hdr_get_value(
ctx,
"Content-Type\0".as_ptr() as *const c_char,
);
if ct == ptr::null_mut() {
ct = defct;
}
luw_http_init_headers(ctx, 2, 0);
luw_http_add_header(
ctx,
0,
"Content-Type\0".as_ptr() as *const c_char,
ct,
);
luw_http_add_header(
ctx,
1,
"Content-Length\0".as_ptr() as *const c_char,
content_len.as_ptr() as *const c_char,
);
luw_http_send_headers(ctx);
}
write_bytes = luw_mem_fill_buf_from_req(ctx, TOTAL_RESPONSE_SENT);
TOTAL_RESPONSE_SENT += write_bytes;
luw_http_send_response(ctx);
if TOTAL_RESPONSE_SENT == luw_get_http_content_len(ctx) {
// Tell Unit no more data to send
luw_http_response_end();
}
}
return 0;
}
#[no_mangle]
pub extern "C" fn luw_request_handler(addr: *mut u8) -> i32 {
unsafe {
let ctx: *mut luw_ctx_t = &mut CTX;
if REQUEST_BUF.is_null() {
luw_init_ctx(ctx, addr, 0 /* Response offset */);
/*
* Take a copy of the request and use that, we do this
* in APPEND mode so we can build up request_buf from
* multiple requests.
*
* Just allocate memory for the total amount of data we
* expect to get, this includes the request structure
* itself as well as any body content.
*/
luw_set_req_buf(
ctx,
&mut REQUEST_BUF,
luw_srb_flags_t_LUW_SRB_APPEND
| luw_srb_flags_t_LUW_SRB_ALLOC
| luw_srb_flags_t_LUW_SRB_FULL_SIZE,
);
} else {
luw_req_buf_append(ctx, addr);
}
upload_reflector(ctx);
}
return 0;
}
|
