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-types.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 44 #ifdef WIN32 45 /* Windows has different names for the same constants with the same values */ 46 #define SHUT_RD 0 47 #define SHUT_WR 1 48 #define SHUT_RDWR 2 49 #endif 50 51 /* callback function for nonblocking connect 52 * valid fd on success, negative error code on failure 53 */ 54 typedef void NonBlockingConnectHandler(int fd, Error *err, void *opaque); 55 56 InetSocketAddress *inet_parse(const char *str, Error **errp); 57 int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp); 58 int inet_listen(const char *str, char *ostr, int olen, 59 int socktype, int port_offset, Error **errp); 60 int inet_connect_opts(QemuOpts *opts, Error **errp, 61 NonBlockingConnectHandler *callback, void *opaque); 62 int inet_connect(const char *str, Error **errp); 63 int inet_nonblocking_connect(const char *str, 64 NonBlockingConnectHandler *callback, 65 void *opaque, Error **errp); 66 67 int inet_dgram_opts(QemuOpts *opts, Error **errp); 68 NetworkAddressFamily inet_netfamily(int family); 69 70 int unix_listen_opts(QemuOpts *opts, Error **errp); 71 int unix_listen(const char *path, char *ostr, int olen, Error **errp); 72 int unix_connect_opts(QemuOpts *opts, Error **errp, 73 NonBlockingConnectHandler *callback, void *opaque); 74 int unix_connect(const char *path, Error **errp); 75 int unix_nonblocking_connect(const char *str, 76 NonBlockingConnectHandler *callback, 77 void *opaque, Error **errp); 78 79 SocketAddress *socket_parse(const char *str, Error **errp); 80 int socket_connect(SocketAddress *addr, Error **errp, 81 NonBlockingConnectHandler *callback, void *opaque); 82 int socket_listen(SocketAddress *addr, Error **errp); 83 int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp); 84 85 /* Old, ipv4 only bits. Don't use for new code. */ 86 int parse_host_port(struct sockaddr_in *saddr, const char *str); 87 int socket_init(void); 88 89 /** 90 * socket_sockaddr_to_address: 91 * @sa: socket address struct 92 * @salen: size of @sa struct 93 * @errp: pointer to uninitialized error object 94 * 95 * Get the string representation of the socket 96 * address. A pointer to the allocated address information 97 * struct will be returned, which the caller is required to 98 * release with a call qapi_free_SocketAddress when no 99 * longer required. 100 * 101 * Returns: the socket address struct, or NULL on error 102 */ 103 SocketAddress * 104 socket_sockaddr_to_address(struct sockaddr_storage *sa, 105 socklen_t salen, 106 Error **errp); 107 108 /** 109 * socket_local_address: 110 * @fd: the socket file handle 111 * @errp: pointer to uninitialized error object 112 * 113 * Get the string representation of the local socket 114 * address. A pointer to the allocated address information 115 * struct will be returned, which the caller is required to 116 * release with a call qapi_free_SocketAddress when no 117 * longer required. 118 * 119 * Returns: the socket address struct, or NULL on error 120 */ 121 SocketAddress *socket_local_address(int fd, Error **errp); 122 123 /** 124 * socket_remote_address: 125 * @fd: the socket file handle 126 * @errp: pointer to uninitialized error object 127 * 128 * Get the string representation of the remote socket 129 * address. A pointer to the allocated address information 130 * struct will be returned, which the caller is required to 131 * release with a call qapi_free_SocketAddress when no 132 * longer required. 133 * 134 * Returns: the socket address struct, or NULL on error 135 */ 136 SocketAddress *socket_remote_address(int fd, Error **errp); 137 138 139 void qapi_copy_SocketAddress(SocketAddress **p_dest, 140 SocketAddress *src); 141 142 #endif /* QEMU_SOCKET_H */ 143