How to handle dispatch_http_call/other timeout #622
Comments
|
Indeed presently the However I need to better understand the behavior on both failure conditions (timeout + bad upstream) but I currently don't. When in the call response handler on a timeout, @hishamhm @casimiro Any help from either of you? I would like to understand how Envoy gets from |
|
I'm not properly familiarized with Envoy's codebase, but it seems to me that the headers of the response are defined before I did some investigation on Time is quite scarce this week so I couldn't invest much in this issue. |
|
Ah, I did look at this yesterday but I ended up not sending the message.
From what I could gather, I don't think it does. From looking at the code, the BrokenConnection status (which translates to 11 in its enum), gets saved to the context
I got the same impression as @casimiro. The The weird thing is that since @thibaultcha to clarify, did you get |
On running the case again this morning, it turns out this isn't the case, I'm not sure how I ended up in the So the timeout (after 2s) does indeed enter the This helps a lot, thanks. That said there remains a few unknowns for me:
|
I assume it's something like a failure to connect (e.g. trying to reach an upstream that doesn't resolve).
There are other code paths there which trigger |
thibaultcha
added a commit
that referenced
this issue
Nov 15, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
2 tasks
thibaultcha
added a commit
that referenced
this issue
Nov 15, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 15, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 15, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 16, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 19, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 19, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 19, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 19, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 19, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 20, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 20, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 20, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 20, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 22, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 22, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
thibaultcha
added a commit
that referenced
this issue
Nov 22, 2024
Invoke `on_http_call_response` on dispatch connection failures. This
allows catching failures such as:
- timeout
- broken connection
- resolver failures
- TLS handshake failures
- Any other failures *after the connection has attempted to be
established*
Dispatch failures occurring *before* a connection has attempted to be
established will not trigger `on_http_call_response` as they are already
supposed to trigger a Wasm exception (i.e. trap).
When a dispatch connection failure occurs, `on_http_call_response` is
invoked with: `on_http_call_response(call_id, 0, 0, 0)` (i.e. no header,
no body, no trailers). Calls to retrieve the response `:status` will
return `None`. A user may triage the connection failure by querying the
`:dispatch_status` pseudo-header:
```rust
fn on_http_call_response(
&mut self,
token_id: u32,
nheaders: usize,
body_size: usize,
ntrailers: usize,
) {
let dispatch_status = self.get_http_call_response_header(":dispatch_status");
match dispatch_status.as_deref() {
Some("timeout") => {},
Some("broken connection") => {},
Some("tls handshake failure") => {},
Some("resolver failure") => {},
Some("reader failure") => {},
Some(s) => info!("dispatch_status: {}", s),
None => {}
}
self.resume_http_request()
}
```
The socket status `"bad argument"` also exists but since the connection
has not been attempted yet, it won't show up during
`on_http_call_response` and is for internal use only (i.e. could be
added to the socket error log for example).
Fix #622.
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Even though you can specify timeout in dispatch_http_call Rust SDK, it doesn't seem to return any Status and the function stops instead. Same case for invalid upstream.
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