From 5f7295495b35d9f00e10b4d4ef147acbc21fac12 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期二, 21 十二月 2021 10:47:36 +0800
Subject: [PATCH] performance
---
src/nng_wrap.cpp | 248 +++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 248 insertions(+), 0 deletions(-)
diff --git a/src/nng_wrap.cpp b/src/nng_wrap.cpp
index ed4d4ba..3ae3f62 100644
--- a/src/nng_wrap.cpp
+++ b/src/nng_wrap.cpp
@@ -6,6 +6,9 @@
#include "common.h"
using namespace std;
+#include <nng/protocol/reqrep0/rep.h>
+#include <nng/supplemental/util/platform.h>
+
#include "nng/compat/nanomsg/reqrep.h"
#include "nng/compat/nanomsg/pubsub.h"
#include "nng/compat/nanomsg/survey.h"
@@ -348,4 +351,249 @@
return 0;
}
+int request2(const std::string &ipc, const void* r, const int r_len,
+ void** reply, int* reply_len, const int to_ms, void* arg/*=NULL*/)
+{
+ const auto suc = simple_request(ipc, r, r_len, reply, reply_len, to_ms);
+ if (suc){
+ const size_t sl = rr_unblocking_msg_.size();
+ const size_t rl = *reply_len;
+ if (sl != rl) return true;
+
+ const auto& s = rr_unblocking_msg_;
+ auto r = (const char*)(*reply);
+ if (s.compare(0, sl, r, rl) == 0){
+ free(*reply);
+ *reply = NULL;
+ *reply_len = 0;
+ return false;
+ }
+ }
+ return suc;
+}
+
+static void server_cb(void *arg)
+{
+ if (!arg) return;
+
+ struct work *work = (struct work*)arg;
+ nng_msg * msg;
+ int rv;
+ // uint32_t when{0};
+
+ switch (work->state) {
+ case INIT:
+ work->state = RECV;
+ nng_ctx_recv(work->ctx, work->aio);
+ break;
+ case RECV:
+ if ((rv = nng_aio_result(work->aio)) != 0) {
+ break;
+ }
+ msg = nng_aio_get_msg(work->aio);
+
+ work->msg = msg;
+ work->state = WAIT;
+ if (work->cb_recv) work->cb_recv(work);
+ // nng_sleep_aio(when, work->aio);
+ break;
+ case WAIT:
+ // We could add more data to the message here.
+ nng_aio_set_msg(work->aio, work->msg);
+ work->msg = NULL;
+ work->state = SEND;
+ nng_ctx_send(work->ctx, work->aio);
+ break;
+ case SEND:
+ if ((rv = nng_aio_result(work->aio)) != 0) {
+ nng_msg_free(work->msg);
+ }
+ work->state = RECV;
+ nng_ctx_recv(work->ctx, work->aio);
+ break;
+ default:
+ break;
+ }
+}
+
+static void cb_recv_for_aio(work* w){
+ nng_msg *om = w->msg;
+ if (!om) return;
+
+ _rr* rep = (_rr*)w->user_data;
+
+ string msg{(const char*)nng_msg_body(om), nng_msg_len(om)};
+ nng_msg_free(om);
+
+ auto t = (*rep)();
+ lock_guard<mutex> l{rep->mtx_msg_};
+ rep->works_.emplace(get<0>(t), w);
+ get<1>(t).emplace(get<0>(t), move(msg));
+ get<0>(t)++;
+ rep->cv_msg_.notify_all();
+}
+
+static struct work *alloc_work(nng_socket sock, _rr* rep)
+{
+ struct work *w;
+ int rv;
+
+ if ((w = (struct work*)nng_alloc(sizeof(*w))) == NULL) {
+ return NULL;;
+ }
+ w->cb_recv = cb_recv_for_aio;
+ w->user_data = rep;
+
+ if ((rv = nng_aio_alloc(&w->aio, server_cb, w)) != 0) {
+ return NULL;
+ }
+ if ((rv = nng_ctx_open(&w->ctx, sock)) != 0) {
+ return NULL;
+ }
+ w->state = INIT;
+ return (w);
+}
+
+static int create_server(nng_socket* sock, const string& url, const int count, _rr* rep){
+ TAG;
+ if (sock->id > 0) return 0;
+
+ int rv = nng_rep0_open(sock);
+ if (rv < 0){
+ PRNTVITAG("create_server nng_rep0_open faild");
+ PRNTVITAG(url);
+ return rv;
+ }
+
+ work** works = (work**)malloc(sizeof(void*) * count);
+ for (int i = 0; i < count; i++) {
+ works[i] = alloc_work(*sock, rep);
+ }
+
+ remove_exist(url);
+ rv = nng_listen(*sock, url.c_str(), NULL, 0);
+ if (rv < 0){
+ free(works);
+ PRNTVITAG("create_server nng_listen failed");
+ PRNTVITAG(url);
+ return rv;
+ }
+
+ for (int i = 0; i < count; i++) {
+ server_cb(works[i]); // this starts them going (INIT state)
+ }
+
+ free(works);
+ return 0;
+}
+
+static void aio_unblock(work* w, const void* msg, const int msg_len){
+ nng_msg_alloc(&w->msg, 0);
+ nng_msg_append(w->msg, msg, msg_len);
+
+ nng_sleep_aio(0, w->aio);
+}
+
+int start_reply(const std::string& url, const int port, void* arg/*=NULL*/){
+ _rr* rep = (_rr*)arg;
+ if (!rep) rep = singleton<_rr>();
+
+ string ipc = "ipc:///tmp/" + url;
+ if (url.find("ipc://") == 0){
+ ipc = url;
+ }
+ rep->url_ = ipc;
+ if(create_server(&get<0>(rep->socks_), ipc, 62, rep) != 0) return -1;
+
+ if (port > 0){
+ get<1>(get<1>(rep->socks_)) = port;
+ ipc = "tcp://0.0.0.0:" + to_string(port);
+ if(create_server(&get<0>(get<1>(rep->socks_)), ipc, 62, rep) != 0) return -1;
+ }else {
+ get<0>(get<1>(rep->socks_)).id = numeric_limits<int32_t>::max();
+ }
+
+ if (!rep->t_unblock_){
+ rep->t_unblock_.reset(new thread(get_thread([](const auto rep){
+ constexpr int idle = 10;
+ const auto data = rr_unblocking_msg_.data();
+ const auto data_size = rr_unblocking_msg_.size();
+ auto f = [rep]{
+ vector<struct work*> tmp{};
+ lock_guard<mutex> l{rep->mtx_msg_};
+ for(auto iter = rep->works_.begin(); iter != rep->works_.end();){
+ if ((iter->second+=idle) > timeout_req_rep){
+ tmp.push_back(iter->second.w_);
+ iter = rep->works_.erase(iter);
+ }else {
+ ++iter;
+ }
+ }
+ return tmp;
+ };
+ while (!rep->t_quit_.load()) {
+ this_thread::sleep_for(chrono::milliseconds{10});
+ vector<struct work*> tmp = f();
+ for(auto && w : tmp){
+ aio_unblock(w, data, data_size);
+ }
+ }
+ }, rep)));
+ }
+
+ return 0;
+}
+
+int read_request(void** src, std::string* msg, const int to_ms, void* arg/*=NULL*/){
+ _rr* rep = (_rr*)arg;
+ if (!rep) rep = singleton<_rr>();
+
+ if (get<0>(rep->socks_).id == 0 || get<0>(get<1>(rep->socks_)).id == 0)
+ if (start_reply(rep->url_, get<1>(get<1>(rep->socks_))) != 0)
+ return -1;
+
+ int tm = to_ms > 0 ? to_ms : 30;
+
+ uint64_t key{};
+ {
+ unique_lock<mutex> l(rep->mtx_msg_);
+ auto status = rep->cv_msg_.wait_for(l, chrono::milliseconds{tm}, [rep]{
+ return !rep->msg_.empty();
+ });
+ if (!status){
+ PRNTVITAG("subscribe_read timeout");
+ return -1;
+ }
+ auto iter = rep->msg_.begin();
+ key = iter->first;
+ *msg = move(iter->second);
+ rep->msg_.erase(iter);
+ }
+
+ *src = malloc(sizeof(uint64_t));
+ *(uint64_t*)(*src) = key;
+
+ return 0;
+}
+
+int send_reply(const void* src, const void* msg, const int msg_len, void* arg/*=NULL*/){
+ _rr* rep = (_rr*)arg;
+ if (!rep) rep = singleton<_rr>();
+
+ struct work* w{};
+ {
+ auto key = *(static_cast<uint64_t*>(const_cast<void*>(src)));
+
+ lock_guard<mutex> l{rep->mtx_msg_};
+ auto iter = rep->works_.find(key);
+ if (iter == rep->works_.end()) return -1;
+ w = iter->second;
+ rep->works_.erase(iter);
+ }
+
+ aio_unblock(w, msg, msg_len);
+
+ return 0;
+}
+
}
--
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