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[new_veb] Run error
Describe the bug
new_veb run error
Reproduction Steps
import veb
struct Context {
veb.Context
}
struct App {
veb.Middleware[Context]
}
fn (mut app App) index(mut ctx Context) veb.Result {
return ctx.json('index succcess')
}
fn main() {
port := 9008
mut app := &App{}
app.use(authority_middleware())
veb.run[App, Context](mut app, port)
}
fn authority_middleware() veb.MiddlewareOptions[Context] {
return veb.MiddlewareOptions[Context]{
handler: authority_jwt_verify
after: false
}
}
fn authority_jwt_verify(mut ctx Context) bool {
// ctx.res.set_status(.unauthorized)
// ctx.res.header.set(.content_type, 'application/json')
ctx.send_response_to_client('application/json', 'send_response_to_client unauthorized')
// ctx.request_error('request_error')
// ctx.server_error('server_error')
ctx.error('Bad credentials')
return false
}
v -d new_veb run .
Expected Behavior
[veb] Running app on http://localhost:9008/
Current Behavior
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:9:8: warning: module 'net' is imported but never used
7 | import net.http
8 | import time
9 | import net
| ~~~
10 | import net.urllib
11 | import os
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:11:8: warning: module 'os' is imported but never used
9 | import net
10 | import net.urllib
11 | import os
| ~~
12 |
13 | struct RequestParams {
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_picoev.v:3:8: warning: module 'os' is imported but never used
1 | module veb
2 |
3 | import os
| ~~
4 |
5 | $if !new_veb ? {
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:6:8: warning: module 'os' is imported but never used
4 | module fasthttp
5 |
6 | import os
| ~~
7 | import time
8 | import term
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:7:8: warning: module 'time' is imported but never used
5 |
6 | import os
7 | import time
| ~~~~
8 | import term
9 | import net
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:8:8: warning: module 'term' is imported but never used
6 | import os
7 | import time
8 | import term
| ~~~~
9 | import net
10 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:9:8: warning: module 'net' is imported but never used
7 | import time
8 | import term
9 | import net
| ~~~
10 |
11 | #include <sys/types.h>
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:132:13: warning: unknown type `C.pthread_cond_t` (all virtual C types must be defined, this will be an error soon).
Did you mean `C.pthread_t`?
130 | mut:
131 | task_mutex C.pthread_mutex_t
132 | task_cond C.pthread_cond_t
| ~~~~~~~~~~~~~~~~
133 | task_head &Task = unsafe { nil }
134 | task_tail &Task = unsafe { nil }
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:150:18: warning: unknown type `C.pthread_t` (all virtual C types must be defined, this will be an error soon).
Did you mean `C.pthread_cond_t`?
148 | request_handler fn (req HttpRequest) ![]u8 = unsafe { nil }
149 | worker_data WorkerData
150 | threads [num_threads]C.pthread_t
| ~~~~~~~~~~~~~~~~~~~~~~~~
151 | }
152 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:220:5: warning: function `C.snprintf` must be called from an `unsafe` block
218 | // Copy the body with headers to done.resp
219 | resp := C.malloc(buf_size)
220 | C.snprintf(resp, buf_size, c'%s', body_with_headers.str)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
221 | len := body_with_headers.len
222 | // println('GGGG len=${len} body.len=${body.len} full body len = ${body_with_headers.len}')
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:79:2: warning: unused variable: `req_bytes`
77 | path := unsafe { tos(req.path.buf, req.path.len) }
78 | println('path=${path}')
79 | req_bytes := req.buffer
| ~~~~~~~~~
80 | client_fd := req.client_conn_fd
81 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:42:11: warning: cannot assign a reference to a value (this will be an error soon) left=veb.RequestParams false right=veb.RequestParams true ptr=true
40 | controllers_sorted := check_duplicate_routes_in_controllers[A](global_app, routes)!
41 | unsafe {
42 | gparams = &RequestParams{
| ^
43 | global_app: global_app
44 | controllers_sorted: controllers_sorted
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:312:22: error: cannot assign to `addr.sin_family`: expected `u16`, not `int`
310 | mut addr := C.sockaddr_in{}
311 | C.memset(&addr, 0, sizeof(addr))
312 | addr.sin_family = C.AF_INET
| ~~~~~~~
313 | // addr.sin_addr = u32(0) // C.htons(C.INADDR_ANY))
314 | addr.sin_port = u16(C.htons(u16(s.port)))
Possible Solution
No response
Additional Information/Context
No response
V version
V 0.4.12 ac2e7d
Environment details (OS name and version, etc.)
| V full version | V 0.4.12 9a0166701c2fc7095bed34299b976167ce03b791.ac2e7d7 |
|---|---|
| OS | linux, Deepin 25 |
| Processor | 6 cpus, 64bit, little endian, Intel(R) Core(TM) i5-8500B CPU @ 3.00GHz |
| Memory | 0.34GB/7.6GB |
| V executable | /home/Jengro/.vmr/versions/v_versions/v_latest/v |
| V last modified time | 2025-10-26 10:15:40 |
| V home dir | OK, value: /home/Jengro/.vmr/versions/v_versions/v_latest |
| VMODULES | OK, value: /home/Jengro/.vmodules |
| VTMP | OK, value: /tmp/v_1000 |
| Current working dir | OK, value: /home/Jengro |
| Git version | git version 2.50.1 |
| V git status | weekly.2025.29-529-gac2e7d7f |
| .git/config present | true |
| cc version | cc (Deepin 12.3.0-17deepin15) 12.3.0 |
| gcc version | gcc (Deepin 12.3.0-17deepin15) 12.3.0 |
| clang version | Deepin clang version 17.0.6 (5deepin5) |
| tcc version | tcc version 0.9.28rc 2025-02-13 HEAD@f8bd136d (x86_64 Linux) |
| tcc git status | thirdparty-linux-amd64 696c1d84 |
| emcc version | N/A |
| glibc version | ldd (Debian GLIBC 2.38-6deepin16) 2.38 |
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builder error: Header file <sys/event.h>, needed for modulefasthttpwas not found. Please install the corresponding development headers.
Is this currently only available on Mac systems and using <sys/epoll. h> on Linux systems
https://github.com/vlang/v/commit/73cc80229de6dbcb2f378574014316fd06db0288 @medvednikov
linux
v -d new_veb -d -show-c-output -o app .
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:9:8: warning: module 'net' is imported but never used
7 | import net.http
8 | import time
9 | import net
| ~~~
10 | import net.urllib
11 | import os
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:11:8: warning: module 'os' is imported but never used
9 | import net
10 | import net.urllib
11 | import os
| ~~
12 |
13 | struct RequestParams {
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_picoev.v:3:8: warning: module 'os' is imported but never used
1 | module veb
2 |
3 | import os
| ~~
4 |
5 | $if !new_veb ? {
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:6:8: warning: module 'os' is imported but never used
4 | module fasthttp
5 |
6 | import os
| ~~
7 | import time
8 | import term
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:7:8: warning: module 'time' is imported but never used
5 |
6 | import os
7 | import time
| ~~~~
8 | import term
9 | import net
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:8:8: warning: module 'term' is imported but never used
6 | import os
7 | import time
8 | import term
| ~~~~
9 | import net
10 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:9:8: warning: module 'net' is imported but never used
7 | import time
8 | import term
9 | import net
| ~~~
10 |
11 | #include <sys/types.h>
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:121:13: warning: unknown type `C.pthread_cond_t` (all virtual C types must be defined, this will be an error soon).
Did you mean `C.pthread_t`?
119 | mut:
120 | task_mutex C.pthread_mutex_t
121 | task_cond C.pthread_cond_t
| ~~~~~~~~~~~~~~~~
122 | task_head &Task = unsafe { nil }
123 | task_tail &Task = unsafe { nil }
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:139:18: warning: unknown type `C.pthread_t` (all virtual C types must be defined, this will be an error soon).
Did you mean `C.pthread_cond_t`?
137 | request_handler fn (req HttpRequest) ![]u8 = unsafe { nil }
138 | worker_data WorkerData
139 | threads [num_threads]C.pthread_t
| ~~~~~~~~~~~~~~~~~~~~~~~~
140 | }
141 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:187:5: warning: function `C.snprintf` must be called from an `unsafe` block
185 | body_with_headers := body.bytestr()
186 | resp := C.malloc(buf_size)
187 | C.snprintf(resp, buf_size, c'%s', body_with_headers.str)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
188 | len := body_with_headers.len
189 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp_linux.v:161:32: warning: reading a union field (or its address) requires `unsafe`
159 | for i := 0; i < nev; i++ {
160 | event := events[i]
161 | ptr_val := isize(event.data.ptr)
| ~~~
162 |
163 | // 1. Check for Listener Socket
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:79:2: warning: unused variable: `req_bytes`
77 | path := unsafe { tos(req.path.buf, req.path.len) }
78 | println('path=${path}')
79 | req_bytes := req.buffer
| ~~~~~~~~~
80 | client_fd := req.client_conn_fd
81 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:42:11: warning: cannot assign a reference to a value (this will be an error soon) left=veb.RequestParams false right=veb.RequestParams true ptr=true
40 | controllers_sorted := check_duplicate_routes_in_controllers[A](global_app, routes)!
41 | unsafe {
42 | gparams = &RequestParams{
| ^
43 | global_app: global_app
44 | controllers_sorted: controllers_sorted
================== C compilation error (from tcc): ==============
cc: /tmp/v_1000/app.01KAJAXJ528MVFR8BMZ9R6YR71.tmp.c:14651: error: field not found: task_head
=================================================================
(You can pass `-cg`, or `-show-c-output` as well, to print all the C error messages).
builder error:
==================
C error found. It should never happen, when compiling pure V code.
This is a V compiler bug, please report it using `v bug file.v`,
or goto https://github.com/vlang/v/issues/new/choose .
You can also use #help on Discord: https://discord.gg/vlang .
v -prod -d new_veb -d -show-c-output -o app .
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:9:8: warning: module 'net' is imported but never used
7 | import net.http
8 | import time
9 | import net
| ~~~
10 | import net.urllib
11 | import os
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:11:8: warning: module 'os' is imported but never used
9 | import net
10 | import net.urllib
11 | import os
| ~~
12 |
13 | struct RequestParams {
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_picoev.v:3:8: warning: module 'os' is imported but never used
1 | module veb
2 |
3 | import os
| ~~
4 |
5 | $if !new_veb ? {
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:6:8: warning: module 'os' is imported but never used
4 | module fasthttp
5 |
6 | import os
| ~~
7 | import time
8 | import term
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:7:8: warning: module 'time' is imported but never used
5 |
6 | import os
7 | import time
| ~~~~
8 | import term
9 | import net
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:8:8: warning: module 'term' is imported but never used
6 | import os
7 | import time
8 | import term
| ~~~~
9 | import net
10 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:9:8: warning: module 'net' is imported but never used
7 | import time
8 | import term
9 | import net
| ~~~
10 |
11 | #include <sys/types.h>
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:121:13: error: unknown type `C.pthread_cond_t` (all virtual C types must be defined, this will be an error soon).
Did you mean `C.pthread_t`?
119 | mut:
120 | task_mutex C.pthread_mutex_t
121 | task_cond C.pthread_cond_t
| ~~~~~~~~~~~~~~~~
122 | task_head &Task = unsafe { nil }
123 | task_tail &Task = unsafe { nil }
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:139:18: error: unknown type `C.pthread_t` (all virtual C types must be defined, this will be an error soon).
Did you mean `C.pthread_cond_t`?
137 | request_handler fn (req HttpRequest) ![]u8 = unsafe { nil }
138 | worker_data WorkerData
139 | threads [num_threads]C.pthread_t
| ~~~~~~~~~~~~~~~~~~~~~~~~
140 | }
141 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp.v:187:5: error: function `C.snprintf` must be called from an `unsafe` block
185 | body_with_headers := body.bytestr()
186 | resp := C.malloc(buf_size)
187 | C.snprintf(resp, buf_size, c'%s', body_with_headers.str)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
188 | len := body_with_headers.len
189 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/fasthttp/fasthttp_linux.v:161:32: error: reading a union field (or its address) requires `unsafe`
159 | for i := 0; i < nev; i++ {
160 | event := events[i]
161 | ptr_val := isize(event.data.ptr)
| ~~~
162 |
163 | // 1. Check for Listener Socket
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:79:2: error: unused variable: `req_bytes`
77 | path := unsafe { tos(req.path.buf, req.path.len) }
78 | println('path=${path}')
79 | req_bytes := req.buffer
| ~~~~~~~~~
80 | client_fd := req.client_conn_fd
81 |
/home/Jengro/.vmr/versions/v_versions/v_latest/vlib/veb/veb_d_new_veb.v:42:11: error: cannot assign a reference to a value (this will be an error soon) left=veb.RequestParams false right=veb.RequestParams true ptr=true
40 | controllers_sorted := check_duplicate_routes_in_controllers[A](global_app, routes)!
41 | unsafe {
42 | gparams = &RequestParams{
| ^
43 | global_app: global_app
44 | controllers_sorted: controllers_sorted