nghttp2/src/shrpx_mruby_module.cc

129 lines
4.0 KiB
C++

/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2015 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "shrpx_mruby_module.h"
#include <array>
#include <mruby/variable.h>
#include <mruby/string.h>
#include <mruby/hash.h>
#include <mruby/array.h>
#include "shrpx_mruby.h"
#include "shrpx_mruby_module_env.h"
#include "shrpx_mruby_module_request.h"
#include "shrpx_mruby_module_response.h"
namespace shrpx {
namespace mruby {
namespace {
mrb_value run(mrb_state *mrb, mrb_value self) {
mrb_value b;
mrb_get_args(mrb, "&", &b);
if (mrb_nil_p(b)) {
return mrb_nil_value();
}
auto module = mrb_module_get(mrb, "Nghttpx");
auto env_sym = mrb_intern_lit(mrb, "env");
auto env = mrb_obj_iv_get(mrb, reinterpret_cast<RObject *>(module), env_sym);
if (mrb_nil_p(env)) {
auto env_class = mrb_class_get_under(mrb, module, "Env");
auto request_class = mrb_class_get_under(mrb, module, "Request");
auto response_class = mrb_class_get_under(mrb, module, "Response");
env = mrb_obj_new(mrb, env_class, 0, nullptr);
auto req = mrb_obj_new(mrb, request_class, 0, nullptr);
auto resp = mrb_obj_new(mrb, response_class, 0, nullptr);
mrb_iv_set(mrb, env, mrb_intern_lit(mrb, "req"), req);
mrb_iv_set(mrb, env, mrb_intern_lit(mrb, "resp"), resp);
mrb_obj_iv_set(mrb, reinterpret_cast<RObject *>(module), env_sym, env);
}
std::array<mrb_value, 1> args{{env}};
return mrb_yield_argv(mrb, b, args.size(), args.data());
}
} // namespace
void delete_downstream_from_module(mrb_state *mrb, Downstream *downstream) {
auto module = mrb_module_get(mrb, "Nghttpx");
auto env = mrb_obj_iv_get(mrb, reinterpret_cast<RObject *>(module),
mrb_intern_lit(mrb, "env"));
if (mrb_nil_p(env)) {
return;
}
mrb_iv_remove(mrb, env, intern_ptr(mrb, downstream));
}
void init_module(mrb_state *mrb) {
auto module = mrb_define_module(mrb, "Nghttpx");
mrb_define_class_method(mrb, module, "run", run,
MRB_ARGS_REQ(1) | MRB_ARGS_BLOCK());
mrb_define_const(mrb, module, "REQUEST_PHASE",
mrb_fixnum_value(PHASE_REQUEST));
mrb_define_const(mrb, module, "RESPONSE_PHASE",
mrb_fixnum_value(PHASE_RESPONSE));
init_env_class(mrb, module);
init_request_class(mrb, module);
init_response_class(mrb, module);
}
mrb_value create_headers_hash(mrb_state *mrb, const Headers &headers) {
auto hash = mrb_hash_new(mrb);
for (auto &hd : headers) {
if (hd.name.empty() || hd.name[0] == ':') {
continue;
}
auto ai = mrb_gc_arena_save(mrb);
auto key = mrb_str_new(mrb, hd.name.c_str(), hd.name.size());
auto ary = mrb_hash_get(mrb, hash, key);
if (mrb_nil_p(ary)) {
ary = mrb_ary_new(mrb);
mrb_hash_set(mrb, hash, key, ary);
}
mrb_ary_push(mrb, ary, mrb_str_new(mrb, hd.value.c_str(), hd.value.size()));
mrb_gc_arena_restore(mrb, ai);
}
return hash;
}
} // namespace mruby
} // namespace shrpx