scsi-disk: restruct emulation: READ_CAPACITY

[qemu.git] / migration-exec.c

diff --git a/migration-exec.c b/migration-exec.c
index caeed4bbc0eee01493560206db136cd6b53a1575..c83066959a4e2fc2a8197328cfe6cdc9960933d6 100644 (file)
--- a/migration-exec.c
+++ b/migration-exec.c
@@ -18,7 +18,6 @@
 #include "migration.h"
 #include "qemu-char.h"
 #include "sysemu.h"
-#include "console.h"
 #include "buffered_file.h"
 #include "block.h"
 
@@ -54,17 +53,15 @@ static int exec_close(FdMigrationState *s)
 }
 
 MigrationState *exec_start_outgoing_migration(const char *command,
-                                             int64_t bandwidth_limit,
-                                             int async)
+                                             int64_t bandwidth_limit,
+                                             int detach,
+                                             int blk,
+                                             int inc)
 {
     FdMigrationState *s;
     FILE *f;
 
     s = qemu_mallocz(sizeof(*s));
-    if (s == NULL) {
-        dprintf("Unable to allocate FdMigrationState\n");
-        goto err;
-    }
 
     f = popen(command, "w");
     if (f == NULL) {
@@ -78,10 +75,7 @@ MigrationState *exec_start_outgoing_migration(const char *command,
         goto err_after_open;
     }
 
-    if (fcntl(s->fd, F_SETFD, O_NONBLOCK) == -1) {
-        dprintf("Unable to set nonblocking mode on file descriptor\n");
-        goto err_after_open;
-    }
+    socket_set_nonblock(s->fd);
 
     s->opaque = qemu_popen(f, "w");
 
@@ -92,15 +86,15 @@ MigrationState *exec_start_outgoing_migration(const char *command,
     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->detach = !async;
+    s->mon_resume = NULL;
     s->bandwidth_limit = bandwidth_limit;
 
-    if (s->detach == 1) {
-        dprintf("detaching from monitor\n");
-        monitor_suspend();
-        s->detach = 2;
-    }
+    if (!detach)
+        migrate_fd_monitor_suspend(s);
 
     migrate_fd_connect(s);
     return &s->mig_state;
@@ -109,22 +103,14 @@ err_after_open:
     pclose(f);
 err_after_alloc:
     qemu_free(s);
-err:
     return NULL;
 }
 
-int exec_start_incoming_migration(const char *command)
+static void exec_accept_incoming_migration(void *opaque)
 {
+    QEMUFile *f = opaque;
     int ret;
-    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;
-    }
-    vm_stop(0); /* just in case */
     ret = qemu_loadvm_state(f);
     if (ret < 0) {
         fprintf(stderr, "load of migration failed\n");
@@ -132,11 +118,29 @@ int exec_start_incoming_migration(const char *command)
     }
     qemu_announce_self();
     dprintf("successfully loaded vm state\n");
-    vm_start();
-    qemu_fclose(f);
-    return 0;
+    /* we've successfully migrated, close the fd */
+    qemu_set_fd_handler2(qemu_stdio_fd(f), NULL, NULL, NULL, NULL);
+    if (autostart)
+        vm_start();
 
 err:
     qemu_fclose(f);
-    return -errno;
+}
+
+int exec_start_incoming_migration(const char *command)
+{
+    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;
+    }
+
+    qemu_set_fd_handler2(qemu_stdio_fd(f), NULL,
+                        exec_accept_incoming_migration, NULL,
+                        (void *)(unsigned long)f);
+
+    return 0;
 }