X-Git-Url: https://git.proxmox.com/?p=qemu.git;a=blobdiff_plain;f=migration-fd.c;h=d2e523af743f8662e25133455a0c8ec84e3814e8;hp=5a068c632aa16cca437dac8f1a367014bf62f3f1;hb=60aad298cb6de52f2716b2e82e1353ea9de95fd6;hpb=d06cddf517d2b33389c02971b353d10dd4edda1a diff --git a/migration-fd.c b/migration-fd.c index 5a068c632..d2e523af7 100644 --- a/migration-fd.c +++ b/migration-fd.c @@ -14,13 +14,12 @@ */ #include "qemu-common.h" -#include "qemu_socket.h" -#include "migration.h" -#include "monitor.h" -#include "qemu-char.h" -#include "buffered_file.h" -#include "block.h" -#include "qemu_socket.h" +#include "qemu/main-loop.h" +#include "qemu/sockets.h" +#include "migration/migration.h" +#include "monitor/monitor.h" +#include "migration/qemu-file.h" +#include "block/block.h" //#define DEBUG_MIGRATION_FD @@ -32,83 +31,26 @@ do { } while (0) #endif -static int fd_errno(MigrationState *s) +void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **errp) { - return errno; -} - -static int fd_write(MigrationState *s, const void * buf, size_t size) -{ - return write(s->fd, buf, size); -} - -static int fd_close(MigrationState *s) -{ - struct stat st; - int ret; - - DPRINTF("fd_close\n"); - if (s->fd != -1) { - ret = fstat(s->fd, &st); - if (ret == 0 && S_ISREG(st.st_mode)) { - /* - * If the file handle is a regular file make sure the - * data is flushed to disk before signaling success. - */ - ret = fsync(s->fd); - if (ret != 0) { - ret = -errno; - perror("migration-fd: fsync"); - return ret; - } - } - ret = close(s->fd); - s->fd = -1; - if (ret != 0) { - ret = -errno; - perror("migration-fd: close"); - return ret; - } - } - return 0; -} - -int fd_start_outgoing_migration(MigrationState *s, const char *fdname) -{ - s->fd = monitor_get_fd(s->mon, fdname); - if (s->fd == -1) { - DPRINTF("fd_migration: invalid file descriptor identifier\n"); - goto err_after_get_fd; - } - - if (fcntl(s->fd, F_SETFL, O_NONBLOCK) == -1) { - DPRINTF("Unable to set nonblocking mode on file descriptor\n"); - goto err_after_open; + int fd = monitor_get_fd(cur_mon, fdname, errp); + if (fd == -1) { + return; } - - s->get_error = fd_errno; - s->write = fd_write; - s->close = fd_close; + s->file = qemu_fdopen(fd, "wb"); migrate_fd_connect(s); - return 0; - -err_after_open: - close(s->fd); -err_after_get_fd: - return -1; } static void fd_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 fd_start_incoming_migration(const char *infd) +void fd_start_incoming_migration(const char *infd, Error **errp) { int fd; QEMUFile *f; @@ -118,11 +60,9 @@ int fd_start_incoming_migration(const char *infd) fd = strtol(infd, NULL, 0); f = qemu_fdopen(fd, "rb"); if(f == NULL) { - DPRINTF("Unable to apply qemu wrapper to file descriptor\n"); - return -errno; + error_setg_errno(errp, errno, "failed to open the source descriptor"); + return; } qemu_set_fd_handler2(fd, NULL, fd_accept_incoming_migration, NULL, f); - - return 0; }