spapr: Refactor spapr_populate_memory() to allow memoryless nodes

[mirror_qemu.git] / migration-tcp.c

diff --git a/migration-tcp.c b/migration-tcp.c
index e78a296137dde435a4a320f5225620cbb5ad9dac..2e34517bb905961818a5e189c7faef1e88e7159b 100644 (file)
--- a/migration-tcp.c
+++ b/migration-tcp.c
@@ -13,11 +13,15 @@
  * GNU GPL, version 2 or (at your option) any later version.
  */
 
+#include <string.h>
+
 #include "qemu-common.h"
+#include "qemu/error-report.h"
 #include "qemu/sockets.h"
 #include "migration/migration.h"
 #include "migration/qemu-file.h"
 #include "block/block.h"
+#include "qemu/main-loop.h"
 
 //#define DEBUG_MIGRATION_TCP
 
@@ -29,49 +33,24 @@
     do { } while (0)
 #endif
 
-static int socket_errno(MigrationState *s)
-{
-    return socket_error();
-}
-
-static int socket_write(MigrationState *s, const void * buf, size_t size)
-{
-    return send(s->fd, buf, size, 0);
-}
-
-static int tcp_close(MigrationState *s)
-{
-    int r = 0;
-    DPRINTF("tcp_close\n");
-    if (closesocket(s->fd) < 0) {
-        r = -socket_error();
-    }
-    return r;
-}
-
 static void tcp_wait_for_connect(int fd, void *opaque)
 {
     MigrationState *s = opaque;
 
     if (fd < 0) {
         DPRINTF("migrate connect error\n");
-        s->fd = -1;
+        s->file = NULL;
         migrate_fd_error(s);
     } else {
         DPRINTF("migrate connect success\n");
-        s->fd = fd;
-        socket_set_block(s->fd);
+        s->file = qemu_fopen_socket(fd, "wb");
         migrate_fd_connect(s);
     }
 }
 
 void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp)
 {
-    s->get_error = socket_errno;
-    s->write = socket_write;
-    s->close = tcp_close;
-
-    s->fd = inet_nonblocking_connect(host_port, tcp_wait_for_connect, s, errp);
+    inet_nonblocking_connect(host_port, tcp_wait_for_connect, s, errp);
 }
 
 static void tcp_accept_incoming_migration(void *opaque)
@@ -80,24 +59,26 @@ static void tcp_accept_incoming_migration(void *opaque)
     socklen_t addrlen = sizeof(addr);
     int s = (intptr_t)opaque;
     QEMUFile *f;
-    int c;
+    int c, err;
 
     do {
         c = qemu_accept(s, (struct sockaddr *)&addr, &addrlen);
-    } while (c == -1 && socket_error() == EINTR);
+        err = socket_error();
+    } while (c < 0 && err == EINTR);
     qemu_set_fd_handler2(s, NULL, NULL, NULL, NULL);
     closesocket(s);
 
     DPRINTF("accepted migration\n");
 
-    if (c == -1) {
-        fprintf(stderr, "could not accept migration connection\n");
-        goto out;
+    if (c < 0) {
+        error_report("could not accept migration connection (%s)",
+                     strerror(err));
+        return;
     }
 
-    f = qemu_fopen_socket(c);
+    f = qemu_fopen_socket(c, "rb");
     if (f == NULL) {
-        fprintf(stderr, "could not qemu_fopen socket\n");
+        error_report("could not qemu_fopen socket");
         goto out;
     }