Measure bandwidth statistics from the socket engine (kiloBITS per second in, out, total) and display them in /stats z plus send them via the named pipe to the windows gui

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@9918 e03df62e-2008-0410-955e-edbf42e46eb7

3 files changed, 37 insertions, 0 deletions

diff --git a/src/commands/cmd_stats.cpp b/src/commands/cmd_stats.cpp
index 1296bf08a..0857adb44 100644
--- a/src/commands/cmd_stats.cpp
+++ b/src/commands/cmd_stats.cpp
@@ -201,6 +201,17 @@ DllExport void DoStats(InspIRCd* ServerInstance, char statschar, User* user, str
 
 			results.push_back(sn+" 249 "+user->nick+" :MOTD(VECTOR) "+ConvToStr(ServerInstance->Config->MOTD.size())+", RULES(VECTOR) "+ConvToStr(ServerInstance->Config->RULES.size()));
 
+			float kbitpersec_in, kbitpersec_out, kbitpersec_total;
+			ServerInstance->SE->GetStats(kbitpersec_in, kbitpersec_out, kbitpersec_total);
+
+			snprintf(kbitspersec_total_s, 30, "%03.5f%%", kbitspersec_total);
+			snprintf(kbitspersec_out_s, 30, "%03.5f%%", kbitspersec_out);
+			snprintf(kbitspersec_in_s, 30, "%03.5f%%", kbitspersec_in);
+
+			results.push_back(sn+" 249 "+user->nick+" :Bandwidth total:  "+ConvToStr(kbitspersec_total_s)+" kilobits/sec");
+			results.push_back(sn+" 249 "+user->nick+" :Bandwidth out:    "+ConvToStr(kbitspersec_out_s)+" kilobits/sec");
+			results.push_back(sn+" 249 "+user->nick+" :Bandwidth in:     "+ConvToStr(kbitspersec_in_s)+" kilobits/sec");
+
 #ifndef WIN32
 			/* Moved this down here so all the not-windows stuff (look w00tie, I didn't say win32!) is in one ifndef.
 			 * Also cuts out some identical code in both branches of the ifndef. -- Om
diff --git a/src/socketengine.cpp b/src/socketengine.cpp
index dd80b7f94..90d25e060 100644
--- a/src/socketengine.cpp
+++ b/src/socketengine.cpp
@@ -62,6 +62,8 @@ void SocketEngine::WantWrite(EventHandler* eh)
 SocketEngine::SocketEngine(InspIRCd* Instance) : ServerInstance(Instance)
 {
 	TotalEvents = WriteEvents = ReadEvents = ErrorEvents = 0;
+	lastempty = time(NULL);
+	indata = outdata = 0;
 }
 
 SocketEngine::~SocketEngine()
@@ -174,21 +176,25 @@ int SocketEngine::GetSockName(EventHandler* fd, sockaddr *name, socklen_t* namel
 
 int SocketEngine::RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, sockaddr *from, socklen_t *fromlen)
 {
+	this->UpdateStats(len, 0);
 	return recvfrom(fd->GetFd(), (char*)buf, len, flags, from, fromlen);
 }
 
 int SocketEngine::Send(EventHandler* fd, const void *buf, size_t len, int flags)
 {
+	this->UpdateStats(0, len);
 	return send(fd->GetFd(), (const char*)buf, len, flags);
 }
 
 int SocketEngine::Recv(EventHandler* fd, void *buf, size_t len, int flags)
 {
+	this->UpdateStats(len, 0);
 	return recv(fd->GetFd(), (char*)buf, len, flags);
 }
 
 int SocketEngine::SendTo(EventHandler* fd, const void *buf, size_t len, int flags, const sockaddr *to, socklen_t tolen)
 {
+	this->UpdateStats(0, len);
 	return sendto(fd->GetFd(), (const char*)buf, len, flags, to, tolen);
 }
 
@@ -221,3 +227,22 @@ void SocketEngine::RecoverFromFork()
 {
 }
 
+void SocketEngine::UpdateStats(size_t len_in, size_t len_out)
+{
+	if (lastempty + 1 > time(NULL))
+	{
+		lastempty = time(NULL);
+		indata = outdata = 0;
+	}
+	indata += len_in;
+	outdata += len_out;
+}
+
+void SocketEngine::GetStats(float &kbitpersec_in, float &kbitpersec_out, float &kbitpersec_total)
+{
+	float in_kbit = indata * 8;
+	float out_kbit = outdata * 8;
+	kbitpersec_total = ((in_kbit + out_kbit)) / 1024);
+	kbitpersec_in = in_kbit / 1024;
+	kbitpersec_out = out_kbit / 1024;
+}
diff --git a/src/socketengines/socketengine_iocp.cpp b/src/socketengines/socketengine_iocp.cpp
index c1e97ce74..2a0c4d416 100644
--- a/src/socketengines/socketengine_iocp.cpp
+++ b/src/socketengines/socketengine_iocp.cpp
@@ -494,6 +494,7 @@ int IOCPEngine::GetSockName(EventHandler* fd, sockaddr *name, socklen_t* namelen
 
 int IOCPEngine::RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen)
 {
+	this->UpdateStats(len, 0);
 	udp_overlap * ov = NULL;
 	if (!fd->GetExt("windows_readevent", ov))
 		return -1;