From cf05ea3d9f43e4e84d621e1f9d54cbef552b6e2b Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期二, 18 五月 2021 16:53:28 +0800
Subject: [PATCH] fix center init mutex.
---
src/bh_api.cpp | 105 ++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 93 insertions(+), 12 deletions(-)
diff --git a/src/bh_api.cpp b/src/bh_api.cpp
index 8a4b947..b37eaae 100644
--- a/src/bh_api.cpp
+++ b/src/bh_api.cpp
@@ -1,6 +1,7 @@
#include "bh_api.h"
#include "defs.h"
#include "topic_node.h"
+#include <cstdio>
#include <memory>
using namespace bhome_shm;
@@ -8,10 +9,47 @@
namespace
{
+std::string GetProcExe()
+{
+ auto f = fopen("/proc/self/stat", "rb");
+ if (f) {
+ DEFER1(fclose(f));
+ char buf[100] = {0};
+ int n = fread(buf, 1, sizeof(buf), f);
+ if (n > 0) {
+ std::string s(buf, n);
+ auto start = s.find('(');
+ if (start != std::string::npos) {
+ ++start;
+ auto end = s.find(')', start);
+ return s.substr(start, end - start);
+ }
+ }
+ }
+ return std::to_string(getpid());
+}
+std::unique_ptr<TopicNode> &ProcNodePtr()
+{
+ static std::mutex mtx;
+ std::lock_guard<std::mutex> lk(mtx);
+
+ static std::unique_ptr<TopicNode> ptr;
+ if (!ptr && GlobalInit(BHomeShm())) {
+ auto InitLog = []() {
+ auto id = GetProcExe();
+ char path[200] = {0};
+ sprintf(path, "/opt/vasystem/valog/bhshmq_node_%s.log", id.c_str());
+ ns_log::AddLog(path);
+ return true;
+ };
+ static bool init_log = InitLog();
+ ptr.reset(new TopicNode(BHomeShm()));
+ }
+ return ptr;
+}
TopicNode &ProcNode()
{
- static TopicNode node(BHomeShm());
- return node;
+ return *ProcNodePtr();
}
class TmpPtr : private boost::noncopyable
@@ -70,12 +108,10 @@
}
template <class MsgIn, class MsgOut = MsgCommonReply>
-bool BHApiIn1Out1(bool (TopicNode::*mfunc)(MsgIn &, MsgOut &, const int),
- const void *request,
- const int request_len,
- void **reply,
- int *reply_len,
- const int timeout_ms)
+bool BHApi_In1_Out1(bool (TopicNode::*mfunc)(MsgIn &, MsgOut &, const int),
+ const void *request, const int request_len,
+ void **reply, int *reply_len,
+ const int timeout_ms)
{
MsgIn input;
if (!input.ParseFromArray(request, request_len)) {
@@ -83,7 +119,32 @@
return false;
}
MsgOut msg_reply;
+ auto &ptr = ProcNodePtr();
+ if (!ptr) {
+ SetLastError(eNotFound, "center not started.");
+ return 0;
+ }
+
return (ProcNode().*mfunc)(input, msg_reply, timeout_ms) &&
+ PackOutput(msg_reply, reply, reply_len);
+}
+
+template <class MsgIn0, class MsgIn1, class MsgOut = MsgCommonReply>
+bool BHApi_In2_Out1(bool (TopicNode::*mfunc)(MsgIn0 &, MsgIn1 &, MsgOut &, const int),
+ const void *in0, const int in0_len,
+ const void *in1, const int in1_len,
+ void **reply, int *reply_len,
+ const int timeout_ms)
+{
+ MsgIn0 input0;
+ MsgIn1 input1;
+ if (!input0.ParseFromArray(in0, in0_len) ||
+ !input1.ParseFromArray(in1, in1_len)) {
+ SetLastError(eInvalidInput, "invalid input.");
+ return false;
+ }
+ MsgOut msg_reply;
+ return (ProcNode().*mfunc)(input0, input1, msg_reply, timeout_ms) &&
PackOutput(msg_reply, reply, reply_len);
}
@@ -101,7 +162,11 @@
int BHRegister(const void *proc_info, const int proc_info_len, void **reply, int *reply_len, const int timeout_ms)
{
- return BHApiIn1Out1<ProcInfo>(&TopicNode::Register, proc_info, proc_info_len, reply, reply_len, timeout_ms);
+ return BHApi_In1_Out1<ProcInfo>(&TopicNode::Register, proc_info, proc_info_len, reply, reply_len, timeout_ms);
+}
+int BHUnregister(const void *proc_info, const int proc_info_len, void **reply, int *reply_len, const int timeout_ms)
+{
+ return BHApi_In1_Out1<ProcInfo>(&TopicNode::Unregister, proc_info, proc_info_len, reply, reply_len, timeout_ms);
}
int BHHeartbeatEasy(const int timeout_ms)
@@ -111,17 +176,27 @@
int BHHeartbeat(const void *proc_info, const int proc_info_len, void **reply, int *reply_len, const int timeout_ms)
{
- return BHApiIn1Out1<ProcInfo>(&TopicNode::Heartbeat, proc_info, proc_info_len, reply, reply_len, timeout_ms);
+ return BHApi_In1_Out1<ProcInfo>(&TopicNode::Heartbeat, proc_info, proc_info_len, reply, reply_len, timeout_ms);
}
int BHRegisterTopics(const void *topics, const int topics_len, void **reply, int *reply_len, const int timeout_ms)
{
- return BHApiIn1Out1<MsgTopicList>(&TopicNode::ServerRegisterRPC, topics, topics_len, reply, reply_len, timeout_ms);
+ return BHApi_In1_Out1<MsgTopicList>(&TopicNode::ServerRegisterRPC, topics, topics_len, reply, reply_len, timeout_ms);
+}
+
+int BHQueryTopicAddress(const void *remote, const int remote_len,
+ const void *topic, const int topic_len,
+ void **reply, int *reply_len,
+ const int timeout_ms)
+{
+ return BHApi_In2_Out1<BHAddress, MsgQueryTopic, MsgQueryTopicReply>(
+ &TopicNode::QueryTopicAddress,
+ remote, remote_len, topic, topic_len, reply, reply_len, timeout_ms);
}
int BHSubscribeTopics(const void *topics, const int topics_len, void **reply, int *reply_len, const int timeout_ms)
{
- return BHApiIn1Out1<MsgTopicList>(&TopicNode::Subscribe, topics, topics_len, reply, reply_len, timeout_ms);
+ return BHApi_In1_Out1<MsgTopicList>(&TopicNode::Subscribe, topics, topics_len, reply, reply_len, timeout_ms);
}
int BHPublish(const void *msgpub,
@@ -288,6 +363,12 @@
free(data);
}
+int BHCleanup()
+{
+ ProcNodePtr().reset();
+ return 0;
+}
+
int BHGetLastError(void **msg, int *msg_len)
{
int ec = 0;
--
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