Esempi in C++ (Cpp) per njs_vm_retval

Esempio n. 1

File: ngx_http_js_module.c Progetto: nginx/njs

static ngx_int_t
ngx_http_js_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
    uintptr_t data)
{
    ngx_str_t *fname = (ngx_str_t *) data;

    ngx_int_t           rc;
    nxt_str_t           name, value, exception;
    njs_function_t     *func;
    ngx_http_js_ctx_t  *ctx;

    rc = ngx_http_js_init_vm(r);

    if (rc == NGX_ERROR) {
        return NGX_ERROR;
    }

    if (rc == NGX_DECLINED) {
        v->not_found = 1;
        return NGX_OK;
    }

    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http js variable call \"%V\"", fname);

    ctx = ngx_http_get_module_ctx(r, ngx_http_js_module);

    name.start = fname->data;
    name.length = fname->len;

    func = njs_vm_function(ctx->vm, &name);
    if (func == NULL) {
        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                       "js function \"%V\" not found", fname);
        v->not_found = 1;
        return NGX_OK;
    }

    if (njs_vm_call(ctx->vm, func, ctx->args, 2) != NJS_OK) {
        njs_vm_exception(ctx->vm, &exception);

        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                      "js exception: %*s", exception.length, exception.start);

        v->not_found = 1;
        return NGX_OK;
    }

    if (njs_vm_retval(ctx->vm, &value) != NJS_OK) {
        return NGX_ERROR;
    }

    v->len = value.length;
    v->valid = 1;
    v->no_cacheable = 0;
    v->not_found = 0;
    v->data = value.start;

    return NGX_OK;
}

Esempio n. 2

File: ngx_http_js_module.c Progetto: AsamQi/njs

static ngx_int_t
ngx_http_js_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v,
    uintptr_t data)
{
    njs_vm_t *vm = (njs_vm_t *) data;

    nxt_str_t              value;
    njs_vm_t             *nvm;
    ngx_pool_cleanup_t   *cln;
    nxt_mem_cache_pool_t  *mcp;

    ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http js variable handler");

    mcp = ngx_http_js_create_mem_cache_pool();
    if (mcp == NULL) {
        return NGX_ERROR;
    }

    cln = ngx_pool_cleanup_add(r->pool, 0);
    if (cln == NULL) {
        return NGX_ERROR;
    }

    cln->handler = ngx_http_js_cleanup_mem_cache_pool;
    cln->data = mcp;

    nvm = njs_vm_clone(vm, mcp, (void **) &r);
    if (nvm == NULL) {
        return NGX_ERROR;
    }

    if (njs_vm_run(nvm) == NJS_OK) {
        if (njs_vm_retval(nvm, &value) != NJS_OK) {
            return NGX_ERROR;
        }

        v->len = value.len;
        v->valid = 1;
        v->no_cacheable = 0;
        v->not_found = 0;
        v->data = value.data;

    } else {
        njs_vm_exception(nvm, &value);

        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                      "js exception: %*s", value.len, value.data);

        v->not_found = 1;
    }

    ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http js variable done");

    return NGX_OK;
}