1 files changed, 131 insertions, 2 deletions

diff --git a/src/http/v3/ngx_http_v3_module.c b/src/http/v3/ngx_http_v3_module.c
index 2483b9cb6..89748f5f4 100644
--- a/src/http/v3/ngx_http_v3_module.c
+++ b/src/http/v3/ngx_http_v3_module.c
@@ -16,6 +16,10 @@ static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf);
 static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf);
 static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent,
     void *child);
+static void *ngx_http_v3_create_loc_conf(ngx_conf_t *cf);
+static char *ngx_http_v3_merge_loc_conf(ngx_conf_t *cf, void *parent,
+    void *child);
+static char *ngx_http_v3_push(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
 
 
 static ngx_command_t  ngx_http_v3_commands[] = {
@@ -41,6 +45,27 @@ static ngx_command_t  ngx_http_v3_commands[] = {
       offsetof(ngx_http_v3_srv_conf_t, max_blocked_streams),
       NULL },
 
+    { ngx_string("http3_max_concurrent_pushes"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_num_slot,
+      NGX_HTTP_SRV_CONF_OFFSET,
+      offsetof(ngx_http_v3_srv_conf_t, max_concurrent_pushes),
+      NULL },
+
+    { ngx_string("http3_push"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_http_v3_push,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      0,
+      NULL },
+
+    { ngx_string("http3_push_preload"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_v3_loc_conf_t, push_preload),
+      NULL },
+
       ngx_null_command
 };
 
@@ -55,8 +80,8 @@ static ngx_http_module_t  ngx_http_v3_module_ctx = {
     ngx_http_v3_create_srv_conf,           /* create server configuration */
     ngx_http_v3_merge_srv_conf,            /* merge server configuration */
 
-    NULL,                                  /* create location configuration */
-    NULL                                   /* merge location configuration */
+    ngx_http_v3_create_loc_conf,           /* create location configuration */
+    ngx_http_v3_merge_loc_conf             /* merge location configuration */
 };
 
 
@@ -135,6 +160,7 @@ ngx_http_v3_create_srv_conf(ngx_conf_t *cf)
     h3scf->max_field_size = NGX_CONF_UNSET_SIZE;
     h3scf->max_table_capacity = NGX_CONF_UNSET_SIZE;
     h3scf->max_blocked_streams = NGX_CONF_UNSET_UINT;
+    h3scf->max_concurrent_pushes = NGX_CONF_UNSET_UINT;
 
     return h3scf;
 }
@@ -158,5 +184,108 @@ ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
                               prev->max_blocked_streams,
                               NGX_HTTP_V3_DEFAULT_MAX_BLOCKED_STREAMS);
 
+    ngx_conf_merge_uint_value(conf->max_concurrent_pushes,
+                              prev->max_concurrent_pushes,
+                              NGX_HTTP_V3_DEFAULT_MAX_CONCURRENT_PUSHES);
+
+    return NGX_CONF_OK;
+}
+
+
+static void *
+ngx_http_v3_create_loc_conf(ngx_conf_t *cf)
+{
+    ngx_http_v3_loc_conf_t  *h3lcf;
+
+    h3lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_loc_conf_t));
+    if (h3lcf == NULL) {
+        return NULL;
+    }
+
+    /*
+     * set by ngx_pcalloc():
+     *
+     *     h3lcf->pushes = NULL;
+     */
+
+    h3lcf->push_preload = NGX_CONF_UNSET;
+    h3lcf->push = NGX_CONF_UNSET;
+
+    return h3lcf;
+}
+
+
+static char *
+ngx_http_v3_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
+{
+    ngx_http_v3_loc_conf_t *prev = parent;
+    ngx_http_v3_loc_conf_t *conf = child;
+
+    ngx_conf_merge_value(conf->push, prev->push, 1);
+
+    if (conf->push && conf->pushes == NULL) {
+        conf->pushes = prev->pushes;
+    }
+
+    ngx_conf_merge_value(conf->push_preload, prev->push_preload, 0);
+
+    return NGX_CONF_OK;
+}
+
+
+static char *
+ngx_http_v3_push(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+    ngx_http_v3_loc_conf_t *h3lcf = conf;
+
+    ngx_str_t                         *value;
+    ngx_http_complex_value_t          *cv;
+    ngx_http_compile_complex_value_t   ccv;
+
+    value = cf->args->elts;
+
+    if (ngx_strcmp(value[1].data, "off") == 0) {
+
+        if (h3lcf->pushes) {
+            return "\"off\" parameter cannot be used with URI";
+        }
+
+        if (h3lcf->push == 0) {
+            return "is duplicate";
+        }
+
+        h3lcf->push = 0;
+        return NGX_CONF_OK;
+    }
+
+    if (h3lcf->push == 0) {
+        return "URI cannot be used with \"off\" parameter";
+    }
+
+    h3lcf->push = 1;
+
+    if (h3lcf->pushes == NULL) {
+        h3lcf->pushes = ngx_array_create(cf->pool, 1,
+                                         sizeof(ngx_http_complex_value_t));
+        if (h3lcf->pushes == NULL) {
+            return NGX_CONF_ERROR;
+        }
+    }
+
+    cv = ngx_array_push(h3lcf->pushes);
+    if (cv == NULL) {
+        return NGX_CONF_ERROR;
+    }
+
+    ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
+
+    ccv.cf = cf;
+    ccv.value = &value[1];
+    ccv.complex_value = cv;
+
+    if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
+        return NGX_CONF_ERROR;
+    }
+
     return NGX_CONF_OK;
 }