#include <errno.h>
#include <string.h>
+#ifndef _WIN32
#include <sys/ioctl.h>
+#endif
+#ifdef __sun__
+#include <sys/ioccom.h>
+#endif
#include <ctype.h>
#include <inttypes.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#if defined(QEMU_NBD)
-extern int verbose;
-#else
-static int verbose = 0;
-#endif
+#include "qemu_socket.h"
+
+//#define DEBUG_NBD
+
+#ifdef DEBUG_NBD
#define TRACE(msg, ...) do { \
- if (verbose) LOG(msg, ## __VA_ARGS__); \
+ LOG(msg, ## __VA_ARGS__); \
} while(0)
+#else
+#define TRACE(msg, ...) \
+ do { } while (0)
+#endif
#define LOG(msg, ...) do { \
fprintf(stderr, "%s:%s():L%d: " msg "\n", \
ssize_t len;
if (do_read) {
- len = read(fd, buffer + offset, size - offset);
+ len = recv(fd, buffer + offset, size - offset, 0);
} else {
- len = write(fd, buffer + offset, size - offset);
+ len = send(fd, buffer + offset, size - offset, 0);
}
+ if (len == -1)
+ errno = socket_error();
+
/* recoverable error */
if (len == -1 && (errno == EAGAIN || errno == EINTR)) {
continue;
int s;
struct in_addr in;
struct sockaddr_in addr;
- int serrno;
s = socket(PF_INET, SOCK_STREAM, 0);
if (s == -1) {
return s;
error:
- serrno = errno;
- close(s);
- errno = serrno;
+ closesocket(s);
return -1;
}
int s;
struct in_addr in;
struct sockaddr_in addr;
- int serrno;
int opt;
s = socket(PF_INET, SOCK_STREAM, 0);
return s;
error:
- serrno = errno;
- close(s);
- errno = serrno;
+ closesocket(s);
return -1;
}
+#ifndef _WIN32
int unix_socket_incoming(const char *path)
{
int s;
struct sockaddr_un addr;
- int serrno;
s = socket(PF_UNIX, SOCK_STREAM, 0);
if (s == -1) {
return s;
error:
- serrno = errno;
- close(s);
- errno = serrno;
+ closesocket(s);
return -1;
}
{
int s;
struct sockaddr_un addr;
- int serrno;
s = socket(PF_UNIX, SOCK_STREAM, 0);
if (s == -1) {
return s;
error:
- serrno = errno;
- close(s);
- errno = serrno;
+ closesocket(s);
+ return -1;
+}
+#else
+int unix_socket_incoming(const char *path)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+int unix_socket_outgoing(const char *path)
+{
+ errno = ENOTSUP;
return -1;
}
+#endif
/* Basic flow
Request (type == 2)
*/
-int nbd_negotiate(BlockDriverState *bs, int csock, off_t size)
+int nbd_negotiate(int csock, off_t size)
{
char buf[8 + 8 + 8 + 128];
return 0;
}
+#ifndef _WIN32
int nbd_init(int fd, int csock, off_t size, size_t blocksize)
{
TRACE("Setting block size to %lu", (unsigned long)blocksize);
errno = serrno;
return ret;
}
+#else
+int nbd_init(int fd, int csock, off_t size, size_t blocksize)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+int nbd_disconnect(int fd)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+
+int nbd_client(int fd, int csock)
+{
+ errno = ENOTSUP;
+ return -1;
+}
+#endif
int nbd_send_request(int csock, struct nbd_request *request)
{