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| 3846 | mejdrech | 1 | /* |
| 3912 | mejdrech | 2 | * Copyright (c) 2009 Lukas Mejdrech |
| 3846 | mejdrech | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 4578 | mejdrech | 29 | /** @addtogroup socket |
| 3846 | mejdrech | 30 | * @{ |
| 31 | */ |
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| 32 | |||
| 33 | /** @file |
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| 4578 | mejdrech | 34 | * Socket application program interface (API). |
| 35 | * This is a part of the network application library. |
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| 4728 | mejdrech | 36 | * Based on the BSD socket interface. |
| 3846 | mejdrech | 37 | */ |
| 38 | |||
| 39 | #ifndef __NET_SOCKET_H__ |
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| 40 | #define __NET_SOCKET_H__ |
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| 41 | |||
| 4603 | mejdrech | 42 | #include "byteorder.h" |
| 4578 | mejdrech | 43 | #include "in.h" |
| 44 | #include "inet.h" |
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| 45 | |||
| 4712 | mejdrech | 46 | #include "socket_codes.h" |
| 4720 | mejdrech | 47 | #include "socket_errno.h" |
| 3846 | mejdrech | 48 | |
| 4701 | mejdrech | 49 | /** @name Socket application programming interface |
| 50 | */ |
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| 51 | /*@{*/ |
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| 52 | |||
| 53 | /** Creates a new socket. |
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| 54 | * @param domain The socket protocol family. Input parameter. |
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| 55 | * @param type Socket type. Input parameter. |
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| 56 | * @param protocol Socket protocol. Input parameter. |
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| 57 | * @returns The socket identifier on success. |
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| 58 | * @returns EPFNOTSUPPORT if the protocol family is not supported. |
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| 59 | * @returns ESOCKNOTSUPPORT if the socket type is not supported. |
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| 60 | * @returns EPROTONOSUPPORT if the protocol is not supported. |
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| 61 | * @returns ENOMEM if there is not enough memory left. |
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| 62 | * @returns Other error codes as defined for the NET_SOCKET message. |
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| 63 | */ |
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| 4578 | mejdrech | 64 | int socket( int domain, int type, int protocol ); |
| 4701 | mejdrech | 65 | |
| 66 | /** Binds the socket to a port address. |
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| 67 | * @param socket_id Socket identifier. Input parameter. |
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| 68 | * @param my_addr The port address. Input parameter. |
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| 69 | * @param addrlen The address length. Input parameter. |
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| 70 | * @returns EOK on success. |
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| 71 | * @returns ENOTSOCK if the socket is not found. |
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| 72 | * @returns EBADMEM if the my_addr parameter is NULL. |
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| 73 | * @returns NO_DATA if the addlen parameter is zero (0). |
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| 74 | * @returns Other error codes as defined for the NET_SOCKET_BIND message. |
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| 75 | */ |
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| 4578 | mejdrech | 76 | int bind( int socket_id, const struct sockaddr * my_addr, socklen_t addrlen ); |
| 4701 | mejdrech | 77 | |
| 78 | /** Sets the number of connections waiting to be accepted. |
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| 79 | * @param socket_id Socket identifier. Input parameter. |
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| 80 | * @param backlog The maximum number of waiting sockets to be accepted. Input parameter. |
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| 81 | * @returns EOK on success. |
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| 82 | * @returns EINVAL if the backlog parameter is not positive (<=0). |
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| 83 | * @returns ENOTSOCK if the socket is not found. |
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| 84 | * @returns Other error codes as defined for the NET_SOCKET_LISTEN message. |
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| 85 | */ |
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| 4578 | mejdrech | 86 | int listen( int socket_id, int backlog ); |
| 4701 | mejdrech | 87 | |
| 88 | /** Accepts waiting socket. |
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| 89 | * Blocks until such a socket exists. |
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| 90 | * @param socket_id Socket identifier. Input parameter. |
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| 91 | * @param cliaddr The remote client address. Output parameter. |
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| 92 | * @param addrlen The address length. Input parameter. |
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| 93 | * @returns EOK on success. |
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| 94 | * @returns EBADMEM if the cliaddr or addrlen parameter is NULL. |
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| 95 | * @returns EINVAL if the backlog parameter is not positive (<=0). |
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| 96 | * @returns ENOTSOCK if the socket is not found. |
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| 97 | * @returns Other error codes as defined for the NET_SOCKET_ACCEPT message. |
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| 98 | */ |
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| 4578 | mejdrech | 99 | int accept( int socket_id, struct sockaddr * cliaddr, socklen_t * addrlen ); |
| 4701 | mejdrech | 100 | |
| 101 | /** Connects socket to the remote server. |
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| 102 | * @param socket_id Socket identifier. Input parameter. |
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| 103 | * @param serv_addr The remote server address. Input parameter. |
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| 104 | * @param addrlen The address length. Input parameter. |
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| 105 | * @returns EOK on success. |
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| 106 | * @returns EBADMEM if the serv_addr parameter is NULL. |
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| 107 | * @returns NO_DATA if the addlen parameter is zero (0). |
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| 108 | * @returns ENOTSOCK if the socket is not found. |
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| 109 | * @returns Other error codes as defined for the NET_SOCKET_CONNECT message. |
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| 110 | */ |
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| 4578 | mejdrech | 111 | int connect( int socket_id, const struct sockaddr * serv_addr, socklen_t addrlen ); |
| 112 | |||
| 4701 | mejdrech | 113 | /** Closes the socket. |
| 114 | * @param socket_id Socket identifier. Input parameter. |
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| 115 | * @returns EOK on success. |
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| 116 | * @returns ENOTSOCK if the socket is not found. |
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| 4726 | mejdrech | 117 | * @returns EINPROGRESS if there is another blocking function in progress. |
| 4701 | mejdrech | 118 | * @returns Other error codes as defined for the NET_SOCKET_CLOSE message. |
| 119 | */ |
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| 4578 | mejdrech | 120 | int closesocket( int socket_id ); |
| 121 | |||
| 4701 | mejdrech | 122 | /** Sends data via the socket. |
| 123 | * @param socket_id Socket identifier. Input parameter. |
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| 124 | * @param data The data to be sent. Input parameter. |
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| 125 | * @param datalength The data length. Input parameter. |
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| 126 | * @param flags Various send flags. Input parameter. |
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| 127 | * @returns EOK on success. |
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| 128 | * @returns ENOTSOCK if the socket is not found. |
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| 129 | * @returns EBADMEM if the data parameter is NULL. |
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| 130 | * @returns NO_DATA if the datalength parameter is zero (0). |
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| 131 | * @returns Other error codes as defined for the NET_SOCKET_SEND message. |
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| 132 | */ |
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| 4578 | mejdrech | 133 | int send( int socket_id, void * data, size_t datalength, int flags ); |
| 4701 | mejdrech | 134 | |
| 135 | /** Sends data via the socket to the remote address. |
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| 136 | * Binds the socket to a free port if not already connected/bound. |
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| 137 | * @param socket_id Socket identifier. Input parameter. |
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| 138 | * @param data The data to be sent. Input parameter. |
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| 139 | * @param datalength The data length. Input parameter. |
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| 140 | * @param flags Various send flags. Input parameter. |
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| 141 | * @param toaddr The destination address. Input parameter. |
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| 142 | * @param addrlen The address length. Input parameter. |
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| 143 | * @returns EOK on success. |
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| 144 | * @returns ENOTSOCK if the socket is not found. |
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| 145 | * @returns EBADMEM if the data or toaddr parameter is NULL. |
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| 146 | * @returns NO_DATA if the datalength or the addrlen parameter is zero (0). |
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| 147 | * @returns Other error codes as defined for the NET_SOCKET_SENDTO message. |
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| 148 | */ |
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| 4578 | mejdrech | 149 | int sendto( int socket_id, const void * data, size_t datalength, int flags, const struct sockaddr * toaddr, socklen_t addrlen ); |
| 150 | |||
| 4701 | mejdrech | 151 | /** Receives data via the socket. |
| 152 | * @param socket_id Socket identifier. Input parameter. |
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| 153 | * @param data The data buffer to be filled. Output parameter. |
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| 154 | * @param datalength The data length. Input parameter. |
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| 155 | * @param flags Various receive flags. Input parameter. |
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| 156 | * @returns EOK on success. |
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| 157 | * @returns ENOTSOCK if the socket is not found. |
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| 158 | * @returns EBADMEM if the data parameter is NULL. |
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| 159 | * @returns NO_DATA if the datalength parameter is zero (0). |
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| 160 | * @returns Other error codes as defined for the NET_SOCKET_RECV message. |
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| 161 | */ |
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| 4578 | mejdrech | 162 | int recv( int socket_id, void * data, size_t datalength, int flags ); |
| 4701 | mejdrech | 163 | |
| 164 | /** Receives data via the socket. |
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| 165 | * @param socket_id Socket identifier. Input parameter. |
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| 166 | * @param data The data buffer to be filled. Output parameter. |
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| 167 | * @param datalength The data length. Input parameter. |
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| 168 | * @param flags Various receive flags. Input parameter. |
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| 169 | * @param fromaddr The source address. Output parameter. |
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| 170 | * @param addrlen The address length. The maximum address length is read. The actual address length is set. Input/output parameter. |
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| 171 | * @returns EOK on success. |
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| 172 | * @returns ENOTSOCK if the socket is not found. |
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| 173 | * @returns EBADMEM if the data or fromaddr parameter is NULL. |
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| 174 | * @returns NO_DATA if the datalength or addrlen parameter is zero (0). |
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| 175 | * @returns Other error codes as defined for the NET_SOCKET_RECVFROM message. |
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| 176 | */ |
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| 4578 | mejdrech | 177 | int recvfrom( int socket_id, void * data, size_t datalength, int flags, struct sockaddr * fromaddr, socklen_t * addrlen ); |
| 178 | |||
| 4701 | mejdrech | 179 | /** Gets socket option. |
| 180 | * @param socket_id Socket identifier. Input parameter. |
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| 181 | * @param level The socket options level. Input parameter. |
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| 182 | * @param optname The socket option to be get. Input parameter. |
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| 183 | * @param value The value buffer to be filled. Output parameter. |
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| 184 | * @param optlen The value buffer length. The maximum length is read. The actual length is set. Input/output parameter. |
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| 185 | * @returns EOK on success. |
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| 186 | * @returns ENOTSOCK if the socket is not found. |
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| 187 | * @returns EBADMEM if the value or optlen parameter is NULL. |
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| 188 | * @returns NO_DATA if the optlen parameter is zero (0). |
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| 189 | * @returns Other error codes as defined for the NET_SOCKET_GETSOCKOPT message. |
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| 190 | */ |
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| 4578 | mejdrech | 191 | int getsockopt( int socket_id, int level, int optname, void * value, size_t * optlen ); |
| 4701 | mejdrech | 192 | |
| 193 | /** Sets socket option. |
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| 194 | * @param socket_id Socket identifier. Input parameter. |
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| 195 | * @param level The socket options level. Input parameter. |
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| 196 | * @param optname The socket option to be set. Input parameter. |
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| 197 | * @param value The value to be set. Input parameter. |
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| 198 | * @param optlen The value length. Input parameter. |
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| 199 | * @returns EOK on success. |
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| 200 | * @returns ENOTSOCK if the socket is not found. |
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| 201 | * @returns EBADMEM if the value parameter is NULL. |
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| 202 | * @returns NO_DATA if the optlen parameter is zero (0). |
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| 203 | * @returns Other error codes as defined for the NET_SOCKET_SETSOCKOPT message. |
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| 204 | */ |
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| 4578 | mejdrech | 205 | int setsockopt( int socket_id, int level, int optname, const void * value, size_t optlen ); |
| 206 | |||
| 4701 | mejdrech | 207 | /*@}*/ |
| 208 | |||
| 3846 | mejdrech | 209 | #endif |
| 210 | |||
| 211 | /** @} |
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| 212 | */ |