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authorDaniel P. Berrange <berrange@redhat.com>2016-04-27 11:05:04 +0100
committerAmit Shah <amit.shah@redhat.com>2016-05-26 11:31:42 +0530
commite65c67e4dad18a1f04be426f23cc4d64a32c7548 (patch)
tree5fb476280068dc4c4ed96521d5ee9082ec43b70a /migration/tcp.c
parent6f860ae75566e858593d2c067909a6d1e9feccbf (diff)
migration: convert tcp socket protocol to use QIOChannel
Drop the current TCP socket migration driver and extend the new generic socket driver to cope with the TCP address format Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1461751518-12128-15-git-send-email-berrange@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'migration/tcp.c')
-rw-r--r--migration/tcp.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/migration/tcp.c b/migration/tcp.c
deleted file mode 100644
index d0e0db98b6..0000000000
--- a/migration/tcp.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * QEMU live migration
- *
- * Copyright IBM, Corp. 2008
- *
- * Authors:
- * Anthony Liguori <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- *
- * Contributions after 2012-01-13 are licensed under the terms of the
- * GNU GPL, version 2 or (at your option) any later version.
- */
-
-#include "qemu/osdep.h"
-
-#include "qemu-common.h"
-#include "qemu/error-report.h"
-#include "qemu/sockets.h"
-#include "migration/migration.h"
-#include "migration/qemu-file.h"
-#include "block/block.h"
-#include "qemu/main-loop.h"
-
-//#define DEBUG_MIGRATION_TCP
-
-#ifdef DEBUG_MIGRATION_TCP
-#define DPRINTF(fmt, ...) \
- do { printf("migration-tcp: " fmt, ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
- do { } while (0)
-#endif
-
-static void tcp_wait_for_connect(int fd, Error *err, void *opaque)
-{
- MigrationState *s = opaque;
-
- if (fd < 0) {
- DPRINTF("migrate connect error: %s\n", error_get_pretty(err));
- s->to_dst_file = NULL;
- migrate_fd_error(s, err);
- } else {
- DPRINTF("migrate connect success\n");
- s->to_dst_file = qemu_fopen_socket(fd, "wb");
- migrate_fd_connect(s);
- }
-}
-
-void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp)
-{
- inet_nonblocking_connect(host_port, tcp_wait_for_connect, s, errp);
-}
-
-static void tcp_accept_incoming_migration(void *opaque)
-{
- struct sockaddr_in addr;
- socklen_t addrlen = sizeof(addr);
- int s = (intptr_t)opaque;
- QEMUFile *f;
- int c;
-
- do {
- c = qemu_accept(s, (struct sockaddr *)&addr, &addrlen);
- } while (c < 0 && errno == EINTR);
- qemu_set_fd_handler(s, NULL, NULL, NULL);
- closesocket(s);
-
- DPRINTF("accepted migration\n");
-
- if (c < 0) {
- error_report("could not accept migration connection (%s)",
- strerror(errno));
- return;
- }
-
- f = qemu_fopen_socket(c, "rb");
- if (f == NULL) {
- error_report("could not qemu_fopen socket");
- goto out;
- }
-
- process_incoming_migration(f);
- return;
-
-out:
- closesocket(c);
-}
-
-void tcp_start_incoming_migration(const char *host_port, Error **errp)
-{
- int s;
-
- s = inet_listen(host_port, NULL, 256, SOCK_STREAM, 0, errp);
- if (s < 0) {
- return;
- }
-
- qemu_set_fd_handler(s, tcp_accept_incoming_migration, NULL,
- (void *)(intptr_t)s);
-}