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use dynamically generated port number to configure servers in unittest

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This commit is contained in:
Benjamin Sergeant
2019-01-28 15:14:49 -08:00
parent 7eaea28970
commit 8983dd97a1
9 changed files with 93 additions and 15 deletions
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51
test/IXTest.cpp
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@ -6,6 +6,7 @@
#include "IXTest.h"
#include <ixwebsocket/IXWebSocket.h>
#include <ixwebsocket/IXNetSystem.h>
#include <chrono>
#include <thread>
@ -14,12 +15,14 @@
#include <fstream>
#include <iostream>
#include <stdlib.h>
#include <stack>
namespace ix
{
std::atomic<size_t> incomingBytes(0);
std::atomic<size_t> outgoingBytes(0);
std::mutex Logger::_mutex;
std::stack<int> freePorts;
void setupWebSocketTrafficTrackerCallback()
{
@ -66,4 +69,52 @@ namespace ix
Logger() << msg;
}
int getFreePort()
{
int defaultPort = 8090;
int sockfd;
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
log("Cannot compute a free port. socket error.");
return defaultPort;
}
int enable = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
(char*) &enable, sizeof(enable)) < 0)
{
log("Cannot compute a free port. setsockopt error.");
return defaultPort;
}
// Bind to port 0. This is the standard way to get a free port.
struct sockaddr_in server; // server address information
server.sin_family = AF_INET;
server.sin_port = htons(0);
server.sin_addr.s_addr = inet_addr("127.0.0.1");
if (bind(sockfd, (struct sockaddr *)&server, sizeof(server)) < 0)
{
log("Cannot compute a free port. bind error.");
::close(sockfd);
return defaultPort;
}
struct sockaddr_in sa; // server address information
unsigned int len;
if (getsockname(sockfd, (struct sockaddr *) &sa, &len) < 0)
{
log("Cannot compute a free port. getsockname error.");
::close(sockfd);
return defaultPort;
}
int port = ntohs(sa.sin_port);
::close(sockfd);
return port;
}
}