X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=migration-exec.c;h=479024752f54ff4217dc2ccde4dfa3668cabb81b;hb=da87dd7bd70f71ceaf9ff40d7cdb8394a7dc4bf5;hp=2cfb6f232c092df965b9dc789665c3d1fb6206d6;hpb=7267c0947d7e8ae5dff7bafd932c3bc285f43e5c;p=qemu.git diff --git a/migration-exec.c b/migration-exec.c index 2cfb6f232..479024752 100644 --- a/migration-exec.c +++ b/migration-exec.c @@ -11,14 +11,16 @@ * 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-common.h" -#include "qemu_socket.h" -#include "migration.h" -#include "qemu-char.h" -#include "buffered_file.h" -#include "block.h" +#include "qemu/sockets.h" +#include "qemu/main-loop.h" +#include "migration/migration.h" +#include "migration/qemu-file.h" +#include "block/block.h" #include #include @@ -32,113 +34,36 @@ do { } while (0) #endif -static int file_errno(FdMigrationState *s) +void exec_start_outgoing_migration(MigrationState *s, const char *command, Error **errp) { - return errno; -} - -static int file_write(FdMigrationState *s, const void * buf, size_t size) -{ - return write(s->fd, buf, size); -} - -static int exec_close(FdMigrationState *s) -{ - int ret = 0; - DPRINTF("exec_close\n"); - if (s->opaque) { - ret = qemu_fclose(s->opaque); - s->opaque = NULL; - s->fd = -1; - if (ret != -1 && - WIFEXITED(ret) - && WEXITSTATUS(ret) == 0) { - ret = 0; - } else { - ret = -1; - } - } - return ret; -} - -MigrationState *exec_start_outgoing_migration(Monitor *mon, - const char *command, - int64_t bandwidth_limit, - int detach, - int blk, - int inc) -{ - FdMigrationState *s; - FILE *f; - - s = g_malloc0(sizeof(*s)); - - f = popen(command, "w"); - if (f == NULL) { - DPRINTF("Unable to popen exec target\n"); - goto err_after_alloc; - } - - s->fd = fileno(f); - if (s->fd == -1) { - DPRINTF("Unable to retrieve file descriptor for popen'd handle\n"); - goto err_after_open; - } - - socket_set_nonblock(s->fd); - - s->opaque = qemu_popen(f, "w"); - - s->close = exec_close; - s->get_error = file_errno; - s->write = file_write; - s->mig_state.cancel = migrate_fd_cancel; - 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 = NULL; - s->bandwidth_limit = bandwidth_limit; - - if (!detach) { - migrate_fd_monitor_suspend(s, mon); + s->file = qemu_popen_cmd(command, "w"); + if (s->file == NULL) { + error_setg_errno(errp, errno, "failed to popen the migration target"); + return; } migrate_fd_connect(s); - return &s->mig_state; - -err_after_open: - pclose(f); -err_after_alloc: - g_free(s); - return NULL; } static void exec_accept_incoming_migration(void *opaque) { QEMUFile *f = opaque; + qemu_set_fd_handler2(qemu_get_fd(f), NULL, NULL, NULL, NULL); process_incoming_migration(f); - qemu_set_fd_handler2(qemu_stdio_fd(f), NULL, NULL, NULL, NULL); - qemu_fclose(f); } -int exec_start_incoming_migration(const char *command) +void exec_start_incoming_migration(const char *command, Error **errp) { QEMUFile *f; DPRINTF("Attempting to start an incoming migration\n"); f = qemu_popen_cmd(command, "r"); if(f == NULL) { - DPRINTF("Unable to apply qemu wrapper to popen file\n"); - return -errno; + error_setg_errno(errp, errno, "failed to popen the migration source"); + return; } - qemu_set_fd_handler2(qemu_stdio_fd(f), NULL, + qemu_set_fd_handler2(qemu_get_fd(f), NULL, exec_accept_incoming_migration, NULL, f); - - return 0; }