X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=migration-tcp.c;h=d3d80c97022e2b23484987050afdbebde7a3e2af;hb=6a10ccca803764d67142e5faf309dcb1982c28f5;hp=d9c4c986db1d5d154e3cc0fe59dc5448c6877e9f;hpb=731b03642d0ac0365294c7b39713fede769a3f39;p=qemu.git diff --git a/migration-tcp.c b/migration-tcp.c index d9c4c986d..d3d80c970 100644 --- a/migration-tcp.c +++ b/migration-tcp.c @@ -15,17 +15,16 @@ #include "qemu_socket.h" #include "migration.h" #include "qemu-char.h" -#include "sysemu.h" #include "buffered_file.h" #include "block.h" //#define DEBUG_MIGRATION_TCP #ifdef DEBUG_MIGRATION_TCP -#define dprintf(fmt, ...) \ +#define DPRINTF(fmt, ...) \ do { printf("migration-tcp: " fmt, ## __VA_ARGS__); } while (0) #else -#define dprintf(fmt, ...) \ +#define DPRINTF(fmt, ...) \ do { } while (0) #endif @@ -41,7 +40,7 @@ static int socket_write(FdMigrationState *s, const void * buf, size_t size) static int tcp_close(FdMigrationState *s) { - dprintf("tcp_close\n"); + DPRINTF("tcp_close\n"); if (s->fd != -1) { close(s->fd); s->fd = -1; @@ -56,9 +55,9 @@ static void tcp_wait_for_connect(void *opaque) int val, ret; socklen_t valsize = sizeof(val); - dprintf("connect completed\n"); + DPRINTF("connect completed\n"); do { - ret = getsockopt(s->fd, SOL_SOCKET, SO_ERROR, &val, &valsize); + ret = getsockopt(s->fd, SOL_SOCKET, SO_ERROR, (void *) &val, &valsize); } while (ret == -1 && (s->get_error(s)) == EINTR); if (ret < 0) { @@ -71,14 +70,17 @@ static void tcp_wait_for_connect(void *opaque) if (val == 0) migrate_fd_connect(s); else { - dprintf("error connecting %d\n", val); + DPRINTF("error connecting %d\n", val); migrate_fd_error(s); } } -MigrationState *tcp_start_outgoing_migration(const char *host_port, +MigrationState *tcp_start_outgoing_migration(Monitor *mon, + const char *host_port, int64_t bandwidth_limit, - int detach) + int detach, + int blk, + int inc) { struct sockaddr_in addr; FdMigrationState *s; @@ -96,10 +98,13 @@ MigrationState *tcp_start_outgoing_migration(const char *host_port, s->mig_state.get_status = migrate_fd_get_status; s->mig_state.release = migrate_fd_release; + s->mig_state.blk = blk; + s->mig_state.shared = inc; + s->state = MIG_STATE_ACTIVE; - s->mon_resume = NULL; + s->mon = NULL; s->bandwidth_limit = bandwidth_limit; - s->fd = socket(PF_INET, SOCK_STREAM, 0); + s->fd = qemu_socket(PF_INET, SOCK_STREAM, 0); if (s->fd == -1) { qemu_free(s); return NULL; @@ -107,8 +112,9 @@ MigrationState *tcp_start_outgoing_migration(const char *host_port, socket_set_nonblock(s->fd); - if (!detach) - migrate_fd_monitor_suspend(s); + if (!detach) { + migrate_fd_monitor_suspend(s, mon); + } do { ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr)); @@ -120,10 +126,8 @@ MigrationState *tcp_start_outgoing_migration(const char *host_port, } while (ret == -EINTR); if (ret < 0 && ret != -EINPROGRESS && ret != -EWOULDBLOCK) { - dprintf("connect failed\n"); - close(s->fd); - qemu_free(s); - return NULL; + DPRINTF("connect failed\n"); + migrate_fd_error(s); } else if (ret >= 0) migrate_fd_connect(s); @@ -134,19 +138,19 @@ static void tcp_accept_incoming_migration(void *opaque) { struct sockaddr_in addr; socklen_t addrlen = sizeof(addr); - int s = (unsigned long)opaque; + int s = (intptr_t)opaque; QEMUFile *f; - int c, ret; + int c; do { - c = accept(s, (struct sockaddr *)&addr, &addrlen); + c = qemu_accept(s, (struct sockaddr *)&addr, &addrlen); } while (c == -1 && socket_error() == EINTR); - dprintf("accepted migration\n"); + DPRINTF("accepted migration\n"); if (c == -1) { fprintf(stderr, "could not accept migration connection\n"); - return; + goto out2; } f = qemu_fopen_socket(c); @@ -155,25 +159,13 @@ static void tcp_accept_incoming_migration(void *opaque) goto out; } - vm_stop(0); /* just in case */ - ret = qemu_loadvm_state(f); - if (ret < 0) { - fprintf(stderr, "load of migration failed\n"); - goto out_fopen; - } - qemu_announce_self(); - dprintf("successfully loaded vm state\n"); - - /* we've successfully migrated, close the server socket */ - qemu_set_fd_handler2(s, NULL, NULL, NULL, NULL); - close(s); - - vm_start(); - -out_fopen: + process_incoming_migration(f); qemu_fclose(f); out: close(c); +out2: + qemu_set_fd_handler2(s, NULL, NULL, NULL, NULL); + close(s); } int tcp_start_incoming_migration(const char *host_port) @@ -187,7 +179,7 @@ int tcp_start_incoming_migration(const char *host_port) return -EINVAL; } - s = socket(PF_INET, SOCK_STREAM, 0); + s = qemu_socket(PF_INET, SOCK_STREAM, 0); if (s == -1) return -socket_error(); @@ -201,7 +193,7 @@ int tcp_start_incoming_migration(const char *host_port) goto err; qemu_set_fd_handler2(s, NULL, tcp_accept_incoming_migration, NULL, - (void *)(unsigned long)s); + (void *)(intptr_t)s); return 0;