diff options
Diffstat (limited to 'migration-exec.c')
-rw-r--r-- | migration-exec.c | 55 |
1 files changed, 19 insertions, 36 deletions
diff --git a/migration-exec.c b/migration-exec.c index 6c97db973c..a051a6e668 100644 --- a/migration-exec.c +++ b/migration-exec.c @@ -16,11 +16,10 @@ */ #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 "migration/migration.h" +#include "migration/qemu-file.h" +#include "block/block.h" #include <sys/types.h> #include <sys/wait.h> @@ -48,35 +47,28 @@ static int exec_close(MigrationState *s) { int ret = 0; DPRINTF("exec_close\n"); - if (s->opaque) { - ret = qemu_fclose(s->opaque); - s->opaque = NULL; - s->fd = -1; - if (ret >= 0 && !(WIFEXITED(ret) && WEXITSTATUS(ret) == 0)) { - /* close succeeded, but non-zero exit code: */ - ret = -EIO; /* fake errno value */ - } + ret = qemu_fclose(s->opaque); + s->opaque = NULL; + s->fd = -1; + if (ret >= 0 && !(WIFEXITED(ret) && WEXITSTATUS(ret) == 0)) { + /* close succeeded, but non-zero exit code: */ + ret = -EIO; /* fake errno value */ } return ret; } -int exec_start_outgoing_migration(MigrationState *s, const char *command) +void exec_start_outgoing_migration(MigrationState *s, const char *command, Error **errp) { FILE *f; f = popen(command, "w"); if (f == NULL) { - DPRINTF("Unable to popen exec target\n"); - goto err_after_popen; + error_setg_errno(errp, errno, "failed to popen the migration target"); + return; } 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); + assert(s->fd != -1); s->opaque = qemu_popen(f, "w"); @@ -85,36 +77,27 @@ int exec_start_outgoing_migration(MigrationState *s, const char *command) s->write = file_write; migrate_fd_connect(s); - return 0; - -err_after_open: - pclose(f); -err_after_popen: - return -1; } 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; } |