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Upstream chunked transfer encoding support.

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This commit is contained in:
Igor Sysoev
2020-06-23 14:16:45 +03:00
parent f671d1bc54
commit 65799c7252
7 changed files with 185 additions and 104 deletions
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42
src/nxt_http_proxy.c
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@@ -27,8 +27,6 @@ static void nxt_http_proxy_header_send(nxt_task_t *task, void *obj, void *data);
static void nxt_http_proxy_header_sent(nxt_task_t *task, void *obj, void *data);
static void nxt_http_proxy_header_read(nxt_task_t *task, void *obj, void *data);
static void nxt_http_proxy_send_body(nxt_task_t *task, void *obj, void *data);
static void nxt_http_proxy_request_send(nxt_task_t *task,
nxt_http_request_t *r, nxt_buf_t *out);
static void nxt_http_proxy_read(nxt_task_t *task, void *obj, void *data);
static void nxt_http_proxy_buf_mem_completion(nxt_task_t *task, void *obj,
void *data);
@@ -253,10 +251,6 @@ nxt_http_proxy_header_read(nxt_task_t *task, void *obj, void *data)
nxt_debug(task, "http proxy status: %d", peer->status);
if (r->resp.content_length_n > 0) {
peer->remainder = r->resp.content_length_n;
}
nxt_list_each(field, peer->fields) {
nxt_debug(task, "http proxy header: \"%*s: %*s\"",
@@ -275,6 +269,8 @@ nxt_http_proxy_header_read(nxt_task_t *task, void *obj, void *data)
} nxt_list_loop;
r->state = &nxt_http_proxy_read_state;
nxt_http_request_header_send(task, r, nxt_http_proxy_send_body, peer);
}
@@ -292,27 +288,13 @@ nxt_http_proxy_send_body(nxt_task_t *task, void *obj, void *data)
if (out != NULL) {
peer->body = NULL;
nxt_http_proxy_request_send(task, r, out);
nxt_http_request_send(task, r, out);
}
r->state = &nxt_http_proxy_read_state;
nxt_http_proto[peer->protocol].peer_read(task, peer);
}
static void
nxt_http_proxy_request_send(nxt_task_t *task, nxt_http_request_t *r,
nxt_buf_t *out)
{
size_t length;
if (r->peer->remainder > 0) {
length = nxt_buf_chain_length(out);
r->peer->remainder -= length;
if (!peer->closed) {
nxt_http_proto[peer->protocol].peer_read(task, peer);
}
nxt_http_request_send(task, r, out);
}
@@ -328,7 +310,6 @@ static void
nxt_http_proxy_read(nxt_task_t *task, void *obj, void *data)
{
nxt_buf_t *out;
nxt_bool_t last;
nxt_http_peer_t *peer;
nxt_http_request_t *r;
@@ -336,16 +317,15 @@ nxt_http_proxy_read(nxt_task_t *task, void *obj, void *data)
peer = data;
out = peer->body;
peer->body = NULL;
last = nxt_buf_is_last(out);
nxt_http_proxy_request_send(task, r, out);
if (out != NULL) {
nxt_http_request_send(task, r, out);
}
if (!last) {
if (!peer->closed) {
nxt_http_proto[peer->protocol].peer_read(task, peer);
} else {
r->inconsistent = (peer->remainder != 0);
nxt_http_proto[peer->protocol].peer_close(task, peer);
nxt_mp_release(r->mem_pool);
@@ -422,7 +402,7 @@ nxt_http_proxy_error(nxt_task_t *task, void *obj, void *data)
nxt_mp_release(r->mem_pool);
nxt_http_request_error(task, r, peer->status);
nxt_http_request_error(&r->task, r, peer->status);
}