balloon: Simplify code flow

[qemu.git] / qemu-sockets.c

diff --git a/qemu-sockets.c b/qemu-sockets.c
index d912fed16bc5e7e13354a45000d60644da8f603e..eda1850e9c6a02a1ae52af465c78fc31bf7e9573 100644 (file)
--- a/qemu-sockets.c
+++ b/qemu-sockets.c
@@ -130,7 +130,8 @@ int inet_listen_opts(QemuOpts *opts, int port_offset)
     ai.ai_family = PF_UNSPEC;
     ai.ai_socktype = SOCK_STREAM;
 
-    if (qemu_opt_get(opts, "port") == NULL) {
+    if ((qemu_opt_get(opts, "host") == NULL) ||
+        (qemu_opt_get(opts, "port") == NULL)) {
         fprintf(stderr, "%s: host and/or port not specified\n", __FUNCTION__);
         return -1;
     }
@@ -424,7 +425,7 @@ static int inet_parse(QemuOpts *opts, const char *str)
                     __FUNCTION__, str);
             return -1;
         }
-        qemu_opt_set(opts, "ipv6", "yes");
+        qemu_opt_set(opts, "ipv6", "on");
     } else if (qemu_isdigit(str[0])) {
         /* IPv4 addr */
         if (2 != sscanf(str,"%64[0-9.]:%32[^,]%n",addr,port,&pos)) {
@@ -432,7 +433,7 @@ static int inet_parse(QemuOpts *opts, const char *str)
                     __FUNCTION__, str);
             return -1;
         }
-        qemu_opt_set(opts, "ipv4", "yes");
+        qemu_opt_set(opts, "ipv4", "on");
     } else {
         /* hostname */
         if (2 != sscanf(str,"%64[^:]:%32[^,]%n",addr,port,&pos)) {
@@ -450,9 +451,9 @@ static int inet_parse(QemuOpts *opts, const char *str)
     if (h)
         qemu_opt_set(opts, "to", h+4);
     if (strstr(optstr, ",ipv4"))
-        qemu_opt_set(opts, "ipv4", "yes");
+        qemu_opt_set(opts, "ipv4", "on");
     if (strstr(optstr, ",ipv6"))
-        qemu_opt_set(opts, "ipv6", "yes");
+        qemu_opt_set(opts, "ipv6", "on");
     return 0;
 }
 
@@ -626,25 +627,53 @@ int unix_connect(const char *path)
 int unix_listen_opts(QemuOpts *opts)
 {
     fprintf(stderr, "unix sockets are not available on windows\n");
+    errno = ENOTSUP;
     return -1;
 }
 
 int unix_connect_opts(QemuOpts *opts)
 {
     fprintf(stderr, "unix sockets are not available on windows\n");
+    errno = ENOTSUP;
     return -1;
 }
 
 int unix_listen(const char *path, char *ostr, int olen)
 {
     fprintf(stderr, "unix sockets are not available on windows\n");
+    errno = ENOTSUP;
     return -1;
 }
 
 int unix_connect(const char *path)
 {
     fprintf(stderr, "unix sockets are not available on windows\n");
+    errno = ENOTSUP;
     return -1;
 }
 
 #endif
+
+#ifdef _WIN32
+static void socket_cleanup(void)
+{
+    WSACleanup();
+}
+#endif
+
+int socket_init(void)
+{
+#ifdef _WIN32
+    WSADATA Data;
+    int ret, err;
+
+    ret = WSAStartup(MAKEWORD(2,2), &Data);
+    if (ret != 0) {
+        err = WSAGetLastError();
+        fprintf(stderr, "WSAStartup: %d\n", err);
+        return -1;
+    }
+    atexit(socket_cleanup);
+#endif
+    return 0;
+}