diff options
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/Makefile.objs | 2 | ||||
| -rw-r--r-- | migration/socket.c | 31 | ||||
| -rw-r--r-- | migration/tcp.c | 102 |
3 files changed, 32 insertions, 103 deletions
diff --git a/migration/Makefile.objs b/migration/Makefile.objs index b0b9550..4221861 100644 --- a/migration/Makefile.objs +++ b/migration/Makefile.objs @@ -1,4 +1,4 @@ -common-obj-y += migration.o tcp.o socket.o +common-obj-y += migration.o socket.o common-obj-y += vmstate.o common-obj-y += qemu-file.o qemu-file-buf.o qemu-file-unix.o qemu-file-stdio.o common-obj-y += qemu-file-channel.o diff --git a/migration/socket.c b/migration/socket.c index a9911d6..25457ea 100644 --- a/migration/socket.c +++ b/migration/socket.c @@ -25,6 +25,23 @@ #include "trace.h" +static SocketAddress *tcp_build_address(const char *host_port, Error **errp) +{ + InetSocketAddress *iaddr = inet_parse(host_port, errp); + SocketAddress *saddr; + + if (!iaddr) { + return NULL; + } + + saddr = g_new0(SocketAddress, 1); + saddr->type = SOCKET_ADDRESS_KIND_INET; + saddr->u.inet.data = iaddr; + + return saddr; +} + + static SocketAddress *unix_build_address(const char *path) { SocketAddress *saddr; @@ -69,6 +86,14 @@ static void socket_start_outgoing_migration(MigrationState *s, qapi_free_SocketAddress(saddr); } +void tcp_start_outgoing_migration(MigrationState *s, + const char *host_port, + Error **errp) +{ + SocketAddress *saddr = tcp_build_address(host_port, errp); + socket_start_outgoing_migration(s, saddr, errp); +} + void unix_start_outgoing_migration(MigrationState *s, const char *path, Error **errp) @@ -125,6 +150,12 @@ static void socket_start_incoming_migration(SocketAddress *saddr, qapi_free_SocketAddress(saddr); } +void tcp_start_incoming_migration(const char *host_port, Error **errp) +{ + SocketAddress *saddr = tcp_build_address(host_port, errp); + socket_start_incoming_migration(saddr, errp); +} + void unix_start_incoming_migration(const char *path, Error **errp) { SocketAddress *saddr = unix_build_address(path); diff --git a/migration/tcp.c b/migration/tcp.c deleted file mode 100644 index d0e0db9..0000000 --- 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); -} |