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https://github.com/xemu-project/xemu.git
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e1a8c9b67f
Add QEMUFile interface to allow a socket to be 'shut down' - i.e. any reads/writes will fail (and any blocking read/write will be woken). Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/* headers to use the BSD sockets */
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#ifndef QEMU_SOCKET_H
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#define QEMU_SOCKET_H
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#ifdef _WIN32
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#include <windows.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#define socket_error() WSAGetLastError()
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int inet_aton(const char *cp, struct in_addr *ia);
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#else
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <sys/un.h>
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#define socket_error() errno
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#define closesocket(s) close(s)
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#endif /* !_WIN32 */
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#include "qemu/option.h"
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#include "qapi/error.h"
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#include "qapi/qmp/qerror.h"
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#include "qapi-types.h"
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extern QemuOptsList socket_optslist;
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/* misc helpers */
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int qemu_socket(int domain, int type, int protocol);
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int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
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int socket_set_cork(int fd, int v);
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int socket_set_nodelay(int fd);
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void qemu_set_block(int fd);
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void qemu_set_nonblock(int fd);
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int socket_set_fast_reuse(int fd);
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int send_all(int fd, const void *buf, int len1);
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int recv_all(int fd, void *buf, int len1, bool single_read);
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#ifdef WIN32
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/* Windows has different names for the same constants with the same values */
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#define SHUT_RD 0
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#define SHUT_WR 1
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#define SHUT_RDWR 2
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#endif
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/* callback function for nonblocking connect
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* valid fd on success, negative error code on failure
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*/
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typedef void NonBlockingConnectHandler(int fd, Error *errp, void *opaque);
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InetSocketAddress *inet_parse(const char *str, Error **errp);
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int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp);
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int inet_listen(const char *str, char *ostr, int olen,
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int socktype, int port_offset, Error **errp);
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int inet_connect_opts(QemuOpts *opts, Error **errp,
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NonBlockingConnectHandler *callback, void *opaque);
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int inet_connect(const char *str, Error **errp);
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int inet_nonblocking_connect(const char *str,
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NonBlockingConnectHandler *callback,
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void *opaque, Error **errp);
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int inet_dgram_opts(QemuOpts *opts, Error **errp);
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NetworkAddressFamily inet_netfamily(int family);
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int unix_listen_opts(QemuOpts *opts, Error **errp);
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int unix_listen(const char *path, char *ostr, int olen, Error **errp);
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int unix_connect_opts(QemuOpts *opts, Error **errp,
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NonBlockingConnectHandler *callback, void *opaque);
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int unix_connect(const char *path, Error **errp);
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int unix_nonblocking_connect(const char *str,
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NonBlockingConnectHandler *callback,
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void *opaque, Error **errp);
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SocketAddress *socket_parse(const char *str, Error **errp);
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int socket_connect(SocketAddress *addr, Error **errp,
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NonBlockingConnectHandler *callback, void *opaque);
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int socket_listen(SocketAddress *addr, Error **errp);
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int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp);
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/* Old, ipv4 only bits. Don't use for new code. */
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int parse_host_port(struct sockaddr_in *saddr, const char *str);
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int socket_init(void);
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#endif /* QEMU_SOCKET_H */
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