added unix socket support into httpd urs

qse/cmd/http/ursd.c

@@ -189,6 +189,12 @@ static qse_sck_hnd_t open_server_socket (int proto, const qse_nwad_t* bindnwad)
 	type = SOCK_DGRAM;
 #endif
 
+	if (bindnwad->type == QSE_NWAD_LOCAL) 
+	{
+		proto = 0;
+		/* TODO: delete sun_path */
+	}
+
 	s = socket (family, type, proto);
 	if (!qse_isvalidsckhnd(s))
 	{

qse/include/qse/cmn/nwad.h

@@ -107,6 +107,9 @@ struct qse_skad_t
 #endif
 	/* TODO: is this large enough?? */
 	qse_uint8_t data[QSE_SKAD_DATA_SIZE];
+
+	/* dummy member to secure extra space and force structure alignment */
+	qse_uintptr_t dummy; 
 };
 
 #ifdef __cplusplus

qse/lib/http/httpd-std-urs.h

@@ -133,23 +133,47 @@ static int urs_open (qse_httpd_t* httpd, qse_httpd_urs_t* urs)
 #if defined(AF_INET6)
 	urs->handle[1] = open_udp_socket (httpd, AF_INET6, type, proto);
 #endif
-	/*urs->handle[2] = open_unix_socket (httpd, AF_UNIX, SOCK_DGRAM);*/
+	urs->handle[2] = open_udp_socket (httpd, AF_UNIX, type, 0);
 
-	if (!qse_isvalidsckhnd(urs->handle[0]) && !qse_isvalidsckhnd(urs->handle[1]))
+	if (!qse_isvalidsckhnd(urs->handle[0]) && 
+	    !qse_isvalidsckhnd(urs->handle[1]) &&
+	    !qse_isvalidsckhnd(urs->handle[2]))
 	{
 		goto oops;
 	}
 
+	if (qse_isvalidsckhnd(urs->handle[2]))
+	{
+		struct sockaddr_un addr;
+		QSE_MEMSET (&addr, 0, QSE_SIZEOF(addr));
+		addr.sun_family = AF_UNIX;
+		qse_mbsxfmt (addr.sun_path, QSE_COUNTOF(addr.sun_path), QSE_MT("/tmp/qsehttpd-%d.urs.sock"), (int)QSE_GETPID());
+		QSE_UNLINK (addr.sun_path);
+		bind (urs->handle[2], (struct sockaddr*)&addr, QSE_SIZEOF(addr));
+/* TOOD: unlink this socket in urs_close() also... */
+	}
+
 	/* carry on regardless of success or failure */
 	dc->skadlen = qse_nwadtoskad (&nwad, &dc->skad);
 
 	/* determine which socket to use when sending a request to the server */
 	if (dc->skadlen >= 0)
 	{
-		if (nwad.type == QSE_NWAD_IN4)
+		switch (nwad.type)
+		{
+			case QSE_NWAD_IN4:
 				dc->urs_socket = urs->handle[0];
-		else
+				break;
+			case QSE_NWAD_IN6:
 				dc->urs_socket = urs->handle[1];
+				break;
+			case QSE_NWAD_LOCAL:
+				dc->urs_socket = urs->handle[2];
+				break;
+			default:
+				dc->urs_socket = QSE_INVALID_SCKHND;
+				break;
+		}
 	}
 	else
 	{
@@ -414,10 +438,20 @@ printf ("... URS_SEND.....................\n");
 		req->urs_skadlen = qse_nwadtoskad (&urs_server->nwad, &req->urs_skad);
 		if (req->urs_skadlen <= -1) goto default_urs_server;
 
-		if (urs_server->nwad.type == QSE_NWAD_IN4)
+		switch (urs_server->nwad.type)
+		{
+			case QSE_NWAD_IN4:
 				req->urs_socket = urs->handle[0];
-		else 
+				break;
+			case QSE_NWAD_IN6:
 				req->urs_socket = urs->handle[1];
+				break;
+			case QSE_NWAD_LOCAL:
+				req->urs_socket = urs->handle[2];
+				break;
+			default:
+				goto default_urs_server;
+		}
 	}
 	else
 	{

qse/lib/http/httpd-std.c

@@ -74,6 +74,7 @@
 #	include "../cmn/syscall.h"
 #	include <sys/socket.h>
 #	include <netinet/in.h>
+#	include <sys/un.h>
 #	if defined(HAVE_SYS_SENDFILE_H)
 #		include <sys/sendfile.h>
 #	endif
@@ -846,12 +847,11 @@ static int server_open (qse_httpd_t* httpd, qse_httpd_server_t* server)
 	{
 		/* TODO: logging. warning only */
 		/* this is not a hard failure */
-qse_printf (QSE_STDERR, QSE_T("Failed to enable SO_REUSEPORT\n"));
+qse_fprintf (QSE_STDERR, QSE_T("Failed to enable SO_REUSEPORT\n"));
 	}
 	#endif
 
 
-
 /* TODO: linux. use capset() to set required capabilities just in case */
 	#if defined(IP_TRANSPARENT)
 	/* remove the ip routing restriction that a packet can only

qse/lib/http/httpd.c

@@ -957,7 +957,7 @@ static int activate_urs (qse_httpd_t* httpd)
 
 	httpd->urs.type = QSE_HTTPD_URS;
 
-	for (i = 0; i < httpd->dns.handle_count; i++)
+	for (i = 0; i < httpd->urs.handle_count; i++)
 	{
 		if (httpd->urs.handle_mask & (1 << i))
 		{