added 'udp_endpoints' debugger command.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20908 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/net/AddressUtilities.h

@@ -109,6 +109,12 @@ public:
 		return AddressString(fModule, fAddress, printPort);
 	}
 
+	const char *AsString(char *buffer, size_t bufferSize,
+		bool printPort = false) const {
+		fModule->print_address_buffer(fAddress, buffer, bufferSize, printPort);
+		return buffer;
+	}
+
 	const sockaddr *operator *() const { return fAddress; }
 	sockaddr *operator *() { return fAddress; }
 
@@ -188,6 +194,12 @@ public:
 		return AddressString(fModule, fAddress, printPort);
 	}
 
+	const char *AsString(char *buffer, size_t bufferSize,
+		bool printPort = false) const {
+		fModule->print_address_buffer(fAddress, buffer, bufferSize, printPort);
+		return buffer;
+	}
+
 	const sockaddr *operator *() const { return fAddress; }
 
 private:

headers/private/net/net_datalink.h

@@ -118,6 +118,8 @@ struct net_address_module_info {
 	
 	status_t (*print_address)(const sockaddr *address, char **buffer, 
 					bool printPort);
+	status_t (*print_address_buffer)(const sockaddr *address, char *buffer,
+					size_t bufferSize, bool printPort);
 
 	uint16 (*get_port)(const sockaddr *address);
 	status_t (*set_port)(sockaddr *address, uint16 port);

src/add-ons/kernel/network/protocols/ipv4/ipv4_address.cpp

@@ -251,35 +251,45 @@ ipv4_check_mask(const sockaddr *_mask)
 	\return B_NO_MEMORY if the buffer could not be allocated
 */
 static status_t
-ipv4_print_address(const sockaddr *_address, char **_buffer, bool printPort)
+ipv4_print_address_buffer(const sockaddr *_address, char *buffer,
+	size_t bufferSize, bool printPort)
 {
 	const sockaddr_in *address = (const sockaddr_in *)_address;
 
-	if (_buffer == NULL)
+	if (buffer == NULL)
 		return B_BAD_VALUE;
 
-	char tmp[64];
-
 	if (address == NULL)
-		strcpy(tmp, "<none>");
+		strlcpy(buffer, "<none>", bufferSize);
 	else {
 		unsigned int addr = ntohl(address->sin_addr.s_addr);
 
 		if (printPort)
-			sprintf(tmp, "%u.%u.%u.%u:%u", (addr >> 24) & 0xff,
-				(addr >> 16) & 0xff, (addr >> 8) & 0xff, addr & 0xff,
-				ntohs(address->sin_port));
+			snprintf(buffer, bufferSize, "%u.%u.%u.%u:%u",
+				(addr >> 24) & 0xff, (addr >> 16) & 0xff, (addr >> 8) & 0xff,
+				addr & 0xff, ntohs(address->sin_port));
 		else
-			sprintf(tmp, "%u.%u.%u.%u", (addr >> 24) & 0xff,
+			snprintf(buffer, bufferSize, "%u.%u.%u.%u", (addr >> 24) & 0xff,
 				(addr >> 16) & 0xff, (addr >> 8) & 0xff, addr & 0xff);
 	}
 
+	return B_OK;
+}
+
+
+static status_t
+ipv4_print_address(const sockaddr *_address, char **_buffer, bool printPort)
+{
+	if (_buffer == NULL)
+		return B_BAD_VALUE;
+
+	char tmp[64];
+	ipv4_print_address_buffer(_address, tmp, sizeof(tmp), printPort);
+
 	*_buffer = strdup(tmp);
 	if (*_buffer == NULL)
 		return B_NO_MEMORY;
 
-
-
 	return B_OK;
 }
 
@@ -426,6 +436,7 @@ net_address_module_info gIPv4AddressModule = {
 	ipv4_first_mask_bit,
 	ipv4_check_mask,
 	ipv4_print_address,
+	ipv4_print_address_buffer,
 	ipv4_get_port,
 	ipv4_set_port,
 	ipv4_set_to,

src/add-ons/kernel/network/protocols/udp/udp.cpp

@@ -168,8 +168,7 @@ public:
 	status_t ConnectEndpoint(UdpEndpoint *endpoint, const sockaddr *address);
 	status_t UnbindEndpoint(UdpEndpoint *endpoint);
 
-	status_t ActivateEndpoint(UdpEndpoint *endpoint);
-	status_t DeactivateEndpoint(UdpEndpoint *endpoint);
+	void DumpEndpoints() const;
 
 private:
 	status_t _BindEndpoint(UdpEndpoint *endpoint, const sockaddr *address);
@@ -220,6 +219,8 @@ public:
 
 	status_t		InitCheck() const;
 
+	static int DumpEndpoints(int argc, char *argv[]);
+
 private:
 	UdpDomainSupport *_GetDomain(net_domain *domain, bool create);
 
@@ -337,6 +338,27 @@ UdpDomainSupport::UnbindEndpoint(UdpEndpoint *endpoint)
 }
 
 
+void
+UdpDomainSupport::DumpEndpoints() const
+{
+	kprintf("-------- UDP Domain %p ---------\n", this);
+	kprintf("%10s %20s %20s %8s\n", "address", "local", "peer", "recv-q");
+
+	EndpointTable::Iterator it = fActiveEndpoints.GetIterator();
+
+	while (it.HasNext()) {
+		UdpEndpoint *endpoint = it.Next();
+
+		char localBuf[64], peerBuf[64];
+		endpoint->LocalAddress().AsString(localBuf, sizeof(localBuf), true);
+		endpoint->PeerAddress().AsString(peerBuf, sizeof(peerBuf), true);
+
+		kprintf("%p %20s %20s %8lu\n", endpoint, localBuf, peerBuf,
+			endpoint->AvailableData());
+	}
+}
+
+
 status_t
 UdpDomainSupport::_BindEndpoint(UdpEndpoint *endpoint,
 	const sockaddr *address)
@@ -580,6 +602,18 @@ UdpEndpointManager::InitCheck() const
 }
 
 
+int
+UdpEndpointManager::DumpEndpoints(int argc, char *argv[])
+{
+	UdpDomainList::Iterator it = sUdpEndpointManager->fDomains.GetIterator();
+
+	while (it.HasNext())
+		it.Next()->DumpEndpoints();
+
+	return 0;
+}
+
+
 // #pragma mark - inbound
 
 
@@ -1127,6 +1161,9 @@ init_udp()
 	if (status < B_OK)
 		goto err1;
 
+	add_debugger_command("udp_endpoints", UdpEndpointManager::DumpEndpoints,
+		"lists all open UDP endpoints");
+
 	return B_OK;
 
 err1:
@@ -1141,6 +1178,8 @@ static status_t
 uninit_udp()
 {
 	TRACE_EPM("uninit_udp()");
+	remove_debugger_command("udp_endpoints",
+		UdpEndpointManager::DumpEndpoints);
 	delete sUdpEndpointManager;
 	return B_OK;
 }