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Router: introduced nxt_http_forward_t.

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This makes the replacement of forwarded request header
like client_ip and protocol more generic.
It's a prerequirement for protocol replacement.

No functional changes.
This commit is contained in:
Zhidao HONG
2022-06-20 13:16:25 +08:00
parent fd38e69c3d
commit 14dfa439ee
4 changed files with 40 additions and 38 deletions
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39
src/nxt_router.c
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@@ -109,8 +109,7 @@ static nxt_int_t nxt_router_conf_create(nxt_task_t *task,
static nxt_int_t nxt_router_conf_process_static(nxt_task_t *task,
nxt_router_conf_t *rtcf, nxt_conf_value_t *conf);
static nxt_int_t nxt_router_conf_process_client_ip(nxt_task_t *task,
nxt_router_temp_conf_t *tmcf, nxt_socket_conf_t *skcf,
nxt_conf_value_t *conf);
nxt_mp_t *mp, nxt_socket_conf_t *skcf, nxt_conf_value_t *conf);
static nxt_app_t *nxt_router_app_find(nxt_queue_t *queue, nxt_str_t *name);
static nxt_int_t nxt_router_apps_hash_test(nxt_lvlhsh_query_t *lhq, void *data);
@@ -1885,10 +1884,12 @@ nxt_router_conf_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
}
conf = nxt_conf_get_path(listener, &client_ip_path);
ret = nxt_router_conf_process_client_ip(task, tmcf, skcf,
conf);
if (nxt_slow_path(ret != NXT_OK)) {
return NXT_ERROR;
if (conf != NULL) {
ret = nxt_router_conf_process_client_ip(task, mp, skcf, conf);
if (nxt_slow_path(ret != NXT_OK)) {
return NXT_ERROR;
}
}
#if (NXT_TLS)
@@ -2124,30 +2125,22 @@ nxt_router_conf_process_static(nxt_task_t *task, nxt_router_conf_t *rtcf,
static nxt_int_t
nxt_router_conf_process_client_ip(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
nxt_router_conf_process_client_ip(nxt_task_t *task, nxt_mp_t *mp,
nxt_socket_conf_t *skcf, nxt_conf_value_t *conf)
{
char c;
size_t i;
nxt_mp_t *mp;
uint32_t hash;
nxt_str_t header;
nxt_conf_value_t *source_conf, *header_conf, *recursive_conf;
nxt_http_client_ip_t *client_ip;
nxt_http_forward_t *forward;
nxt_http_forward_header_t *client_ip;
nxt_http_route_addr_rule_t *source;
static nxt_str_t header_path = nxt_string("/header");
static nxt_str_t source_path = nxt_string("/source");
static nxt_str_t recursive_path = nxt_string("/recursive");
if (conf == NULL) {
skcf->client_ip = NULL;
return NXT_OK;
}
mp = tmcf->router_conf->mem_pool;
source_conf = nxt_conf_get_path(conf, &source_path);
header_conf = nxt_conf_get_path(conf, &header_path);
recursive_conf = nxt_conf_get_path(conf, &recursive_path);
@@ -2156,8 +2149,8 @@ nxt_router_conf_process_client_ip(nxt_task_t *task, nxt_router_temp_conf_t *tmcf
return NXT_ERROR;
}
client_ip = nxt_mp_zget(mp, sizeof(nxt_http_client_ip_t));
if (nxt_slow_path(client_ip == NULL)) {
forward = nxt_mp_zget(mp, sizeof(nxt_http_forward_t));
if (nxt_slow_path(forward == NULL)) {
return NXT_ERROR;
}
@@ -2166,12 +2159,14 @@ nxt_router_conf_process_client_ip(nxt_task_t *task, nxt_router_temp_conf_t *tmcf
return NXT_ERROR;
}
client_ip->source = source;
forward->source = source;
client_ip = &forward->client_ip;
nxt_conf_get_string(header_conf, &header);
if (recursive_conf != NULL) {
client_ip->recursive = nxt_conf_get_boolean(recursive_conf);
forward->recursive = nxt_conf_get_boolean(recursive_conf);
}
client_ip->header = nxt_str_dup(mp, NULL, &header);
@@ -2190,7 +2185,7 @@ nxt_router_conf_process_client_ip(nxt_task_t *task, nxt_router_temp_conf_t *tmcf
client_ip->header_hash = hash;
skcf->client_ip = client_ip;
skcf->client_ip = forward;
return NXT_OK;
}