xref: /qemu/include/qemu/sockets.h (revision 72ac97cd)
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 extern QemuOptsList socket_optslist;
34 
35 /* misc helpers */
36 int qemu_socket(int domain, int type, int protocol);
37 int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
38 int socket_set_cork(int fd, int v);
39 int socket_set_nodelay(int fd);
40 void qemu_set_block(int fd);
41 void qemu_set_nonblock(int fd);
42 int socket_set_fast_reuse(int fd);
43 int send_all(int fd, const void *buf, int len1);
44 int recv_all(int fd, void *buf, int len1, bool single_read);
45 
46 /* callback function for nonblocking connect
47  * valid fd on success, negative error code on failure
48  */
49 typedef void NonBlockingConnectHandler(int fd, void *opaque);
50 
51 InetSocketAddress *inet_parse(const char *str, Error **errp);
52 int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp);
53 int inet_listen(const char *str, char *ostr, int olen,
54                 int socktype, int port_offset, Error **errp);
55 int inet_connect_opts(QemuOpts *opts, Error **errp,
56                       NonBlockingConnectHandler *callback, void *opaque);
57 int inet_connect(const char *str, Error **errp);
58 int inet_nonblocking_connect(const char *str,
59                              NonBlockingConnectHandler *callback,
60                              void *opaque, Error **errp);
61 
62 int inet_dgram_opts(QemuOpts *opts, Error **errp);
63 const char *inet_strfamily(int family);
64 
65 int unix_listen_opts(QemuOpts *opts, Error **errp);
66 int unix_listen(const char *path, char *ostr, int olen, Error **errp);
67 int unix_connect_opts(QemuOpts *opts, Error **errp,
68                       NonBlockingConnectHandler *callback, void *opaque);
69 int unix_connect(const char *path, Error **errp);
70 int unix_nonblocking_connect(const char *str,
71                              NonBlockingConnectHandler *callback,
72                              void *opaque, Error **errp);
73 
74 SocketAddress *socket_parse(const char *str, Error **errp);
75 int socket_connect(SocketAddress *addr, Error **errp,
76                    NonBlockingConnectHandler *callback, void *opaque);
77 int socket_listen(SocketAddress *addr, Error **errp);
78 int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp);
79 
80 /* Old, ipv4 only bits.  Don't use for new code. */
81 int parse_host_port(struct sockaddr_in *saddr, const char *str);
82 int socket_init(void);
83 
84 #endif /* QEMU_SOCKET_H */
85