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From: Roman Arutyunyan <arut@nginx.com>
Date: Tue, 26 Jan 2016 16:46:48 +0300
Subject: Resolver: changed the ngx_resolver_create_*_query() arguments.
No functional changes.
This is needed by the following change.
---
src/core/ngx_resolver.c | 57 +++++++++++++++++++++++--------------------------
1 file changed, 27 insertions(+), 30 deletions(-)
diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index 3c01584..1899564 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -59,10 +59,10 @@ static void ngx_resolver_expire(ngx_resolver_t *r, ngx_rbtree_t *tree,
ngx_queue_t *queue);
static ngx_int_t ngx_resolver_send_query(ngx_resolver_t *r,
ngx_resolver_node_t *rn);
-static ngx_int_t ngx_resolver_create_name_query(ngx_resolver_node_t *rn,
- ngx_resolver_ctx_t *ctx);
-static ngx_int_t ngx_resolver_create_addr_query(ngx_resolver_node_t *rn,
- ngx_resolver_ctx_t *ctx);
+static ngx_int_t ngx_resolver_create_name_query(ngx_resolver_t *r,
+ ngx_resolver_node_t *rn, ngx_str_t *name);
+static ngx_int_t ngx_resolver_create_addr_query(ngx_resolver_t *r,
+ ngx_resolver_node_t *rn, ngx_addr_t *addr);
static void ngx_resolver_resend_handler(ngx_event_t *ev);
static time_t ngx_resolver_resend(ngx_resolver_t *r, ngx_rbtree_t *tree,
ngx_queue_t *queue);
@@ -646,7 +646,7 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
ngx_rbtree_insert(&r->name_rbtree, &rn->node);
}
- rc = ngx_resolver_create_name_query(rn, ctx);
+ rc = ngx_resolver_create_name_query(r, rn, &ctx->name);
if (rc == NGX_ERROR) {
goto failed;
@@ -873,7 +873,7 @@ ngx_resolve_addr(ngx_resolver_ctx_t *ctx)
ngx_rbtree_insert(tree, &rn->node);
}
- if (ngx_resolver_create_addr_query(rn, ctx) != NGX_OK) {
+ if (ngx_resolver_create_addr_query(r, rn, &ctx->addr) != NGX_OK) {
goto failed;
}
@@ -2506,27 +2506,23 @@ ngx_resolver_rbtree_insert_addr6_value(ngx_rbtree_node_t *temp,
static ngx_int_t
-ngx_resolver_create_name_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
+ngx_resolver_create_name_query(ngx_resolver_t *r, ngx_resolver_node_t *rn,
+ ngx_str_t *name)
{
u_char *p, *s;
size_t len, nlen;
ngx_uint_t ident;
-#if (NGX_HAVE_INET6)
- ngx_resolver_t *r;
-#endif
ngx_resolver_qs_t *qs;
ngx_resolver_hdr_t *query;
- nlen = ctx->name.len ? (1 + ctx->name.len + 1) : 1;
+ nlen = name->len ? (1 + name->len + 1) : 1;
len = sizeof(ngx_resolver_hdr_t) + nlen + sizeof(ngx_resolver_qs_t);
#if (NGX_HAVE_INET6)
- r = ctx->resolver;
-
- p = ngx_resolver_alloc(ctx->resolver, r->ipv6 ? len * 2 : len);
+ p = ngx_resolver_alloc(r, r->ipv6 ? len * 2 : len);
#else
- p = ngx_resolver_alloc(ctx->resolver, len);
+ p = ngx_resolver_alloc(r, len);
#endif
if (p == NULL) {
return NGX_ERROR;
@@ -2545,8 +2541,8 @@ ngx_resolver_create_name_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
ident = ngx_random();
- ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->resolver->log, 0,
- "resolve: \"%V\" A %i", &ctx->name, ident & 0xffff);
+ ngx_log_debug2(NGX_LOG_DEBUG_CORE, r->log, 0,
+ "resolve: \"%V\" A %i", name, ident & 0xffff);
query->ident_hi = (u_char) ((ident >> 8) & 0xff);
query->ident_lo = (u_char) (ident & 0xff);
@@ -2576,11 +2572,11 @@ ngx_resolver_create_name_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
p--;
*p-- = '\0';
- if (ctx->name.len == 0) {
+ if (name->len == 0) {
return NGX_DECLINED;
}
- for (s = ctx->name.data + ctx->name.len - 1; s >= ctx->name.data; s--) {
+ for (s = name->data + name->len - 1; s >= name->data; s--) {
if (*s != '.') {
*p = *s;
len++;
@@ -2616,8 +2612,8 @@ ngx_resolver_create_name_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
ident = ngx_random();
- ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->resolver->log, 0,
- "resolve: \"%V\" AAAA %i", &ctx->name, ident & 0xffff);
+ ngx_log_debug2(NGX_LOG_DEBUG_CORE, r->log, 0,
+ "resolve: \"%V\" AAAA %i", name, ident & 0xffff);
query->ident_hi = (u_char) ((ident >> 8) & 0xff);
query->ident_lo = (u_char) (ident & 0xff);
@@ -2634,11 +2630,12 @@ ngx_resolver_create_name_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
static ngx_int_t
-ngx_resolver_create_addr_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
+ngx_resolver_create_addr_query(ngx_resolver_t *r, ngx_resolver_node_t *rn,
+ ngx_addr_t *addr)
{
u_char *p, *d;
size_t len;
- in_addr_t addr;
+ in_addr_t inaddr;
ngx_int_t n;
ngx_uint_t ident;
ngx_resolver_hdr_t *query;
@@ -2647,7 +2644,7 @@ ngx_resolver_create_addr_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
struct sockaddr_in6 *sin6;
#endif
- switch (ctx->addr.sockaddr->sa_family) {
+ switch (addr->sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
@@ -2664,7 +2661,7 @@ ngx_resolver_create_addr_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
+ sizeof(ngx_resolver_qs_t);
}
- p = ngx_resolver_alloc(ctx->resolver, len);
+ p = ngx_resolver_alloc(r, len);
if (p == NULL) {
return NGX_ERROR;
}
@@ -2688,11 +2685,11 @@ ngx_resolver_create_addr_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
p += sizeof(ngx_resolver_hdr_t);
- switch (ctx->addr.sockaddr->sa_family) {
+ switch (addr->sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
- sin6 = (struct sockaddr_in6 *) ctx->addr.sockaddr;
+ sin6 = (struct sockaddr_in6 *) addr->sockaddr;
for (n = 15; n >= 0; n--) {
p = ngx_sprintf(p, "\1%xd\1%xd",
@@ -2707,11 +2704,11 @@ ngx_resolver_create_addr_query(ngx_resolver_node_t *rn, ngx_resolver_ctx_t *ctx)
default: /* AF_INET */
- sin = (struct sockaddr_in *) ctx->addr.sockaddr;
- addr = ntohl(sin->sin_addr.s_addr);
+ sin = (struct sockaddr_in *) addr->sockaddr;
+ inaddr = ntohl(sin->sin_addr.s_addr);
for (n = 0; n < 32; n += 8) {
- d = ngx_sprintf(&p[1], "%ud", (addr >> n) & 0xff);
+ d = ngx_sprintf(&p[1], "%ud", (inaddr >> n) & 0xff);
*p = (u_char) (d - &p[1]);
p = d;
}
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