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Check whether the port is in use

This commit is contained in:
an-tao 2019-04-27 14:45:06 +08:00
parent 0b96089a0a
commit 87c51d1b53
1 changed files with 43 additions and 4 deletions
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41
lib/src/HttpAppFrameworkImpl.cc
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@ -41,6 +41,7 @@
#include <utility>
#include <unistd.h>
#include <fcntl.h>
#include <sys/file.h>
using namespace drogon;
using namespace std::placeholders;
@ -51,7 +52,27 @@ drogon::InitBeforeMainFunction drogon::HttpAppFrameworkImpl::_initFirst([]() {
LOG_TRACE << "Initialize the main event loop in the main thread";
});
});
namespace drogon
{
class DrogonFileLocker : public trantor::NonCopyable
{
public:
DrogonFileLocker()
{
_fd = open("/tmp/drogon.lock", O_TRUNC | O_CREAT, 0755);
flock(_fd, LOCK_EX);
}
~DrogonFileLocker()
{
close(_fd);
}
private:
int _fd = 0;
};
} // namespace drogon
static void godaemon(void)
{
printf("Initializing daemon mode\n");
@ -297,9 +318,27 @@ void HttpAppFrameworkImpl::run()
{
auto ip = std::get<0>(listener);
bool isIpv6 = ip.find(":") == std::string::npos ? false : true;
auto serverPtr = std::make_shared<HttpServer>(loopThreadPtr->getLoop(),
std::shared_ptr<HttpServer> serverPtr;
if (i == 0)
{
DrogonFileLocker lock;
// Check whether the port is in use.
TcpServer server(getLoop(),
InetAddress(ip, std::get<1>(listener), isIpv6),
"drogonPortTest",
true,
false);
serverPtr = std::make_shared<HttpServer>(loopThreadPtr->getLoop(),
InetAddress(ip, std::get<1>(listener), isIpv6),
"drogon");
}
else
{
serverPtr = std::make_shared<HttpServer>(loopThreadPtr->getLoop(),
InetAddress(ip, std::get<1>(listener), isIpv6),
"drogon");
}
if (std::get<2>(listener))
{
#ifdef USE_OPENSSL