xref: /qemu/include/qemu/sockets.h (revision 96610da2)
1 /* headers to use the BSD sockets */
2 #ifndef QEMU_SOCKET_H
3 #define QEMU_SOCKET_H
4 
5 #ifdef _WIN32
6 #include <windows.h>
7 #include <winsock2.h>
8 #include <ws2tcpip.h>
9 
10 #define socket_error() WSAGetLastError()
11 
12 int inet_aton(const char *cp, struct in_addr *ia);
13 
14 #else
15 
16 #include <sys/types.h>
17 #include <sys/socket.h>
18 #include <netinet/in.h>
19 #include <netinet/tcp.h>
20 #include <arpa/inet.h>
21 #include <netdb.h>
22 #include <sys/un.h>
23 
24 #define socket_error() errno
25 #define closesocket(s) close(s)
26 
27 #endif /* !_WIN32 */
28 
29 #include "qemu/option.h"
30 #include "qapi/error.h"
31 #include "qapi/qmp/qerror.h"
32 
33 /* misc helpers */
34 int qemu_socket(int domain, int type, int protocol);
35 int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
36 int socket_set_cork(int fd, int v);
37 void socket_set_block(int fd);
38 void socket_set_nonblock(int fd);
39 int send_all(int fd, const void *buf, int len1);
40 
41 /* callback function for nonblocking connect
42  * valid fd on success, negative error code on failure
43  */
44 typedef void NonBlockingConnectHandler(int fd, void *opaque);
45 
46 int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp);
47 int inet_listen(const char *str, char *ostr, int olen,
48                 int socktype, int port_offset, Error **errp);
49 int inet_connect_opts(QemuOpts *opts, Error **errp,
50                       NonBlockingConnectHandler *callback, void *opaque);
51 int inet_connect(const char *str, Error **errp);
52 int inet_nonblocking_connect(const char *str,
53                              NonBlockingConnectHandler *callback,
54                              void *opaque, Error **errp);
55 
56 int inet_dgram_opts(QemuOpts *opts, Error **errp);
57 const char *inet_strfamily(int family);
58 
59 int unix_listen_opts(QemuOpts *opts, Error **errp);
60 int unix_listen(const char *path, char *ostr, int olen, Error **errp);
61 int unix_connect_opts(QemuOpts *opts, Error **errp,
62                       NonBlockingConnectHandler *callback, void *opaque);
63 int unix_connect(const char *path, Error **errp);
64 int unix_nonblocking_connect(const char *str,
65                              NonBlockingConnectHandler *callback,
66                              void *opaque, Error **errp);
67 
68 SocketAddress *socket_parse(const char *str, Error **errp);
69 int socket_connect(SocketAddress *addr, Error **errp,
70                    NonBlockingConnectHandler *callback, void *opaque);
71 int socket_listen(SocketAddress *addr, Error **errp);
72 
73 /* Old, ipv4 only bits.  Don't use for new code. */
74 int parse_host_port(struct sockaddr_in *saddr, const char *str);
75 int socket_init(void);
76 
77 #endif /* QEMU_SOCKET_H */
78