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docker
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refactor: clean up read_response function

fix-segfaults
Jef Roosens 2023-01-05 12:02:51 +01:00
parent c8191a19e1
commit 7149c93b6f
Signed by: Jef Roosens
GPG Key ID: B75D4F293C7052DB
1 changed files with 22 additions and 19 deletions
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39
docker.v
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@ -91,6 +91,20 @@ fn (mut d DockerConn) read_response_head() ! {
}
fn (mut d DockerConn) read_response_body() ! {
if d.head.status() == .no_content {
return
}
if d.head.header.get(http.CommonHeader.transfer_encoding) or { '' } == 'chunked' {
mut builder := strings.new_builder(1024)
mut body := d.get_chunked_response_reader()
util.reader_to_writer(mut body, mut builder)!
d.body = builder.str()
return
}
content_length := d.head.header.get(.content_length)!.int()
if content_length == 0 {
@ -102,7 +116,7 @@ fn (mut d DockerConn) read_response_body() ! {
mut builder := strings.new_builder(docker.buf_len)
for builder.len < content_length {
c = d.reader.read(mut buf) or { break }
c = d.reader.read(mut buf)!
builder.write(buf[..c])!
}
@ -111,32 +125,21 @@ fn (mut d DockerConn) read_response_body() ! {
}
// read_response is a convenience function which always consumes the entire
// response & returns it. It should only be used when we're certain that the
// result isn't too large.
// response and loads it into memory. It should only be used when we're certain
// that the result isn't too large, as even chunked responses will get fully
// loaded into memory.
fn (mut d DockerConn) read_response() ! {
d.read_response_head()!
d.check_error()!
// 204 means "No Content", so we can assume nothing follows after this
if d.head.status() == .no_content {
return
}
if d.head.header.get(http.CommonHeader.transfer_encoding) or { '' } == 'chunked' {
mut builder := strings.new_builder(1024)
mut body := d.get_chunked_response_reader()
util.reader_to_writer(mut body, mut builder)!
d.body = builder.str()
} else {
d.read_response_body()!
}
}
// read_json_response<T> is a convenience function that runs read_response
// before parsing its contents, which is assumed to be JSON, into a struct.
fn (mut d DockerConn) read_json_response<T>() !T {
d.read_response()!
mut data := json.decode(T, d.body)!
data := json.decode(T, d.body)!
//$for field in T.fields {
//$if field.typ is time.Time {