LibCore: Port CSocket over to using dbg().

Also added a LogStream operator<< for CSocketAddress.

Libraries/LibCore/CSocket.cpp

@@ -22,12 +22,12 @@ bool CSocket::connect(const String& hostname, int port)
 {
     auto* hostent = gethostbyname(hostname.characters());
     if (!hostent) {
-        dbgprintf("CSocket::connect: Unable to resolve '%s'\n", hostname.characters());
+        dbg() << "CSocket::connect: Unable to resolve '" << hostname << "'";
         return false;
     }
 
     IPv4Address host_address((const u8*)hostent->h_addr_list[0]);
-    dbgprintf("CSocket::connect: Resolved '%s' to %s\n", hostname.characters(), host_address.to_string().characters());
+    dbg() << "CSocket::connect: Resolved '" << hostname << "' to " << host_address;
     return connect(host_address, port);
 }
 
@@ -35,7 +35,7 @@ bool CSocket::connect(const CSocketAddress& address, int port)
 {
     ASSERT(!is_connected());
     ASSERT(address.type() == CSocketAddress::Type::IPv4);
-    dbgprintf("Connecting to %s...", address.to_string().characters());
+    dbg() << *this << " connecting to " << address << "...";
 
     ASSERT(port > 0 && port <= 65535);
 
@@ -53,10 +53,10 @@ bool CSocket::connect(const CSocketAddress& address, int port)
     int rc = ::connect(fd(), (struct sockaddr*)&addr, sizeof(addr));
     if (rc < 0) {
         if (errno == EINPROGRESS) {
-            dbgprintf("in progress.\n");
+            dbg() << *this << " connection in progress (EINPROGRESS)";
             m_notifier = make<CNotifier>(fd(), CNotifier::Event::Write);
             m_notifier->on_ready_to_write = [this] {
-                dbgprintf("%s{%p} connected!\n", class_name(), this);
+                dbg() << *this << " connected!";
                 m_connected = true;
                 m_notifier->set_event_mask(CNotifier::Event::None);
                 if (on_connected)
@@ -67,7 +67,7 @@ bool CSocket::connect(const CSocketAddress& address, int port)
         perror("connect");
         exit(1);
     }
-    dbgprintf("ok!\n");
+    dbg() << *this << " connected ok!";
     m_connected = true;
     return true;
 }
@@ -76,7 +76,7 @@ bool CSocket::connect(const CSocketAddress& address)
 {
     ASSERT(!is_connected());
     ASSERT(address.type() == CSocketAddress::Type::Local);
-    dbgprintf("Connecting to %s...", address.to_string().characters());
+    dbg() << *this << " connecting to " << address << "...";
 
     sockaddr_un saddr;
     saddr.sun_family = AF_LOCAL;
@@ -96,7 +96,7 @@ ByteBuffer CSocket::receive(int max_size)
 {
     auto buffer = read(max_size);
     if (eof()) {
-        dbgprintf("CSocket{%p}: Connection appears to have closed in receive().\n", this);
+        dbg() << *this << " connection appears to have closed in receive().";
         m_connected = false;
     }
     return buffer;

Libraries/LibCore/CSocketAddress.h

@@ -46,3 +46,8 @@ private:
     IPv4Address m_ipv4_address;
     String m_local_address;
 };
+
+inline const LogStream& operator<<(const LogStream& stream, const CSocketAddress& value)
+{
+    return stream << value;
+}