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authorPaolo Bonzini <pbonzini@redhat.com>2014-02-17 14:43:51 +0100
committerKevin Wolf <kwolf@redhat.com>2014-02-21 21:02:23 +0100
commit537b41f5013e1951fa15e8f18855b18d76124ce4 (patch)
tree88f37b2de43b5b34e0b9769683dc5ec167e22fa2 /qemu-nbd.c
parentc06b72781dc6dff3f1e8209b7280ff4650eb6f36 (diff)
nbd: move socket wrappers to qemu-nbd
qemu-nbd is one of the few valid users of qerror_report_err. Move the error-reporting socket wrappers there. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-nbd.c')
-rw-r--r--qemu-nbd.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c
index 711162c2ec..c1dfff3b85 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -20,6 +20,8 @@
#include "block/block.h"
#include "block/nbd.h"
#include "qemu/main-loop.h"
+#include "qemu/sockets.h"
+#include "qemu/error-report.h"
#include "block/snapshot.h"
#include <stdarg.h>
@@ -201,6 +203,56 @@ static void termsig_handler(int signum)
qemu_notify_event();
}
+static void combine_addr(char *buf, size_t len, const char* address,
+ uint16_t port)
+{
+ /* If the address-part contains a colon, it's an IPv6 IP so needs [] */
+ if (strstr(address, ":")) {
+ snprintf(buf, len, "[%s]:%u", address, port);
+ } else {
+ snprintf(buf, len, "%s:%u", address, port);
+ }
+}
+
+static int tcp_socket_incoming(const char *address, uint16_t port)
+{
+ char address_and_port[128];
+ Error *local_err = NULL;
+
+ combine_addr(address_and_port, 128, address, port);
+ int fd = inet_listen(address_and_port, NULL, 0, SOCK_STREAM, 0, &local_err);
+
+ if (local_err != NULL) {
+ qerror_report_err(local_err);
+ error_free(local_err);
+ }
+ return fd;
+}
+
+static int unix_socket_incoming(const char *path)
+{
+ Error *local_err = NULL;
+ int fd = unix_listen(path, NULL, 0, &local_err);
+
+ if (local_err != NULL) {
+ qerror_report_err(local_err);
+ error_free(local_err);
+ }
+ return fd;
+}
+
+static int unix_socket_outgoing(const char *path)
+{
+ Error *local_err = NULL;
+ int fd = unix_connect(path, &local_err);
+
+ if (local_err != NULL) {
+ qerror_report_err(local_err);
+ error_free(local_err);
+ }
+ return fd;
+}
+
static void *show_parts(void *arg)
{
char *device = arg;