C++ (Cpp) ngx_stream_get_flushed_variable示例

示例#1

文件： ngx_stream_variables.c 项目： TakahiroHorie/nginx

ngx_stream_variable_value_t *
ngx_stream_get_variable(ngx_stream_session_t *s, ngx_str_t *name,
    ngx_uint_t key)
{
    ngx_stream_variable_t        *v;
    ngx_stream_variable_value_t  *vv;
    ngx_stream_core_main_conf_t  *cmcf;

    cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module);

    v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len);

    if (v) {
        if (v->flags & NGX_STREAM_VAR_INDEXED) {
            return ngx_stream_get_flushed_variable(s, v->index);
        }

        if (ngx_stream_variable_depth == 0) {
            ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
                          "cycle while evaluating variable \"%V\"", name);
            return NULL;
        }

        ngx_stream_variable_depth--;

        vv = ngx_palloc(s->connection->pool,
                        sizeof(ngx_stream_variable_value_t));

        if (vv && v->get_handler(s, vv, v->data) == NGX_OK) {
            ngx_stream_variable_depth++;
            return vv;
        }

        ngx_stream_variable_depth++;
        return NULL;
    }

    vv = ngx_palloc(s->connection->pool, sizeof(ngx_stream_variable_value_t));
    if (vv == NULL) {
        return NULL;
    }

    vv->not_found = 1;

    return vv;
}

示例#2

文件： ngx_stream_variables.c 项目： Qihoo360/huststore

ngx_stream_variable_value_t *
ngx_stream_get_variable(ngx_stream_session_t *s, ngx_str_t *name,
    ngx_uint_t key)
{
    size_t                        len;
    ngx_uint_t                    i, n;
    ngx_stream_variable_t        *v;
    ngx_stream_variable_value_t  *vv;
    ngx_stream_core_main_conf_t  *cmcf;

    cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module);

    v = ngx_hash_find(&cmcf->variables_hash, key, name->data, name->len);

    if (v) {
        if (v->flags & NGX_STREAM_VAR_INDEXED) {
            return ngx_stream_get_flushed_variable(s, v->index);
        }

        if (ngx_stream_variable_depth == 0) {
            ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
                          "cycle while evaluating variable \"%V\"", name);
            return NULL;
        }

        ngx_stream_variable_depth--;

        vv = ngx_palloc(s->connection->pool,
                        sizeof(ngx_stream_variable_value_t));

        if (vv && v->get_handler(s, vv, v->data) == NGX_OK) {
            ngx_stream_variable_depth++;
            return vv;
        }

        ngx_stream_variable_depth++;
        return NULL;
    }

    vv = ngx_palloc(s->connection->pool, sizeof(ngx_stream_variable_value_t));
    if (vv == NULL) {
        return NULL;
    }

    len = 0;

    v = cmcf->prefix_variables.elts;
    n = cmcf->prefix_variables.nelts;

    for (i = 0; i < cmcf->prefix_variables.nelts; i++) {
        if (name->len >= v[i].name.len && name->len > len
            && ngx_strncmp(name->data, v[i].name.data, v[i].name.len) == 0)
        {
            len = v[i].name.len;
            n = i;
        }
    }

    if (n != cmcf->prefix_variables.nelts) {
        if (v[n].get_handler(s, vv, (uintptr_t) name) == NGX_OK) {
            return vv;
        }

        return NULL;
    }

    vv->not_found = 1;

    return vv;
}