include/qemu/sockets.h

   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 #include "qapi-types.h"
  33
  34 extern QemuOptsList socket_optslist;
  35
  36 /* misc helpers */
  37 int qemu_socket(int domain, int type, int protocol);
  38 int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
  39 int socket_set_cork(int fd, int v);
  40 int socket_set_nodelay(int fd);
  41 void qemu_set_block(int fd);
  42 void qemu_set_nonblock(int fd);
  43 int socket_set_fast_reuse(int fd);
  44 int send_all(int fd, const void *buf, int len1);
  45 int recv_all(int fd, void *buf, int len1, bool single_read);
  46
  47 #ifdef WIN32
  48 /* Windows has different names for the same constants with the same values */
  49 #define SHUT_RD   0
  50 #define SHUT_WR   1
  51 #define SHUT_RDWR 2
  52 #endif
  53
  54 /* callback function for nonblocking connect
  55  * valid fd on success, negative error code on failure
  56  */
  57 typedef void NonBlockingConnectHandler(int fd, Error *errp, void *opaque);
  58
  59 InetSocketAddress *inet_parse(const char *str, Error **errp);
  60 int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp);
  61 int inet_listen(const char *str, char *ostr, int olen,
  62                 int socktype, int port_offset, Error **errp);
  63 int inet_connect_opts(QemuOpts *opts, Error **errp,
  64                       NonBlockingConnectHandler *callback, void *opaque);
  65 int inet_connect(const char *str, Error **errp);
  66 int inet_nonblocking_connect(const char *str,
  67                              NonBlockingConnectHandler *callback,
  68                              void *opaque, Error **errp);
  69
  70 int inet_dgram_opts(QemuOpts *opts, Error **errp);
  71 NetworkAddressFamily inet_netfamily(int family);
  72
  73 int unix_listen_opts(QemuOpts *opts, Error **errp);
  74 int unix_listen(const char *path, char *ostr, int olen, Error **errp);
  75 int unix_connect_opts(QemuOpts *opts, Error **errp,
  76                       NonBlockingConnectHandler *callback, void *opaque);
  77 int unix_connect(const char *path, Error **errp);
  78 int unix_nonblocking_connect(const char *str,
  79                              NonBlockingConnectHandler *callback,
  80                              void *opaque, Error **errp);
  81
  82 SocketAddress *socket_parse(const char *str, Error **errp);
  83 int socket_connect(SocketAddress *addr, Error **errp,
  84                    NonBlockingConnectHandler *callback, void *opaque);
  85 int socket_listen(SocketAddress *addr, Error **errp);
  86 int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp);
  87
  88 /* Old, ipv4 only bits.  Don't use for new code. */
  89 int parse_host_port(struct sockaddr_in *saddr, const char *str);
  90 int socket_init(void);
  91
  92 #endif /* QEMU_SOCKET_H */