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| Rev | Author | Line No. | Line |
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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" |
| 4755 | mejdrech | 44 | #include "in6.h" |
| 4578 | mejdrech | 45 | #include "inet.h" |
| 46 | |||
| 4712 | mejdrech | 47 | #include "socket_codes.h" |
| 4720 | mejdrech | 48 | #include "socket_errno.h" |
| 3846 | mejdrech | 49 | |
| 4701 | mejdrech | 50 | /** @name Socket application programming interface |
| 51 | */ |
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| 52 | /*@{*/ |
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| 53 | |||
| 54 | /** Creates a new socket. |
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| 4756 | mejdrech | 55 | * @param[in] domain The socket protocol family. |
| 56 | * @param[in] type Socket type. |
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| 57 | * @param[in] protocol Socket protocol. |
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| 4701 | mejdrech | 58 | * @returns The socket identifier on success. |
| 59 | * @returns EPFNOTSUPPORT if the protocol family is not supported. |
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| 60 | * @returns ESOCKNOTSUPPORT if the socket type is not supported. |
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| 61 | * @returns EPROTONOSUPPORT if the protocol is not supported. |
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| 62 | * @returns ENOMEM if there is not enough memory left. |
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| 63 | * @returns Other error codes as defined for the NET_SOCKET message. |
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| 64 | */ |
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| 4578 | mejdrech | 65 | int socket( int domain, int type, int protocol ); |
| 4701 | mejdrech | 66 | |
| 67 | /** Binds the socket to a port address. |
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| 4756 | mejdrech | 68 | * @param[in] socket_id Socket identifier. |
| 69 | * @param[in] my_addr The port address. |
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| 70 | * @param[in] addrlen The address length. |
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| 4701 | mejdrech | 71 | * @returns EOK on success. |
| 72 | * @returns ENOTSOCK if the socket is not found. |
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| 73 | * @returns EBADMEM if the my_addr parameter is NULL. |
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| 74 | * @returns NO_DATA if the addlen parameter is zero (0). |
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| 75 | * @returns Other error codes as defined for the NET_SOCKET_BIND message. |
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| 76 | */ |
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| 4578 | mejdrech | 77 | int bind( int socket_id, const struct sockaddr * my_addr, socklen_t addrlen ); |
| 4701 | mejdrech | 78 | |
| 79 | /** Sets the number of connections waiting to be accepted. |
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| 4756 | mejdrech | 80 | * @param[in] socket_id Socket identifier. |
| 81 | * @param[in] backlog The maximum number of waiting sockets to be accepted. |
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| 4701 | mejdrech | 82 | * @returns EOK on success. |
| 83 | * @returns EINVAL if the backlog parameter is not positive (<=0). |
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| 84 | * @returns ENOTSOCK if the socket is not found. |
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| 85 | * @returns Other error codes as defined for the NET_SOCKET_LISTEN message. |
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| 86 | */ |
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| 4578 | mejdrech | 87 | int listen( int socket_id, int backlog ); |
| 4701 | mejdrech | 88 | |
| 89 | /** Accepts waiting socket. |
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| 90 | * Blocks until such a socket exists. |
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| 4756 | mejdrech | 91 | * @param[in] socket_id Socket identifier. |
| 92 | * @param[out] cliaddr The remote client address. |
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| 93 | * @param[in] addrlen The address length. |
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| 4701 | mejdrech | 94 | * @returns EOK on success. |
| 95 | * @returns EBADMEM if the cliaddr or addrlen parameter is NULL. |
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| 96 | * @returns EINVAL if the backlog parameter is not positive (<=0). |
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| 97 | * @returns ENOTSOCK if the socket is not found. |
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| 98 | * @returns Other error codes as defined for the NET_SOCKET_ACCEPT message. |
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| 99 | */ |
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| 4578 | mejdrech | 100 | int accept( int socket_id, struct sockaddr * cliaddr, socklen_t * addrlen ); |
| 4701 | mejdrech | 101 | |
| 102 | /** Connects socket to the remote server. |
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| 4756 | mejdrech | 103 | * @param[in] socket_id Socket identifier. |
| 104 | * @param[in] serv_addr The remote server address. |
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| 105 | * @param[in] addrlen The address length. |
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| 4701 | mejdrech | 106 | * @returns EOK on success. |
| 107 | * @returns EBADMEM if the serv_addr parameter is NULL. |
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| 108 | * @returns NO_DATA if the addlen parameter is zero (0). |
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| 109 | * @returns ENOTSOCK if the socket is not found. |
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| 110 | * @returns Other error codes as defined for the NET_SOCKET_CONNECT message. |
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| 111 | */ |
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| 4578 | mejdrech | 112 | int connect( int socket_id, const struct sockaddr * serv_addr, socklen_t addrlen ); |
| 113 | |||
| 4701 | mejdrech | 114 | /** Closes the socket. |
| 4756 | mejdrech | 115 | * @param[in] socket_id Socket identifier. |
| 4701 | mejdrech | 116 | * @returns EOK on success. |
| 117 | * @returns ENOTSOCK if the socket is not found. |
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| 4726 | mejdrech | 118 | * @returns EINPROGRESS if there is another blocking function in progress. |
| 4701 | mejdrech | 119 | * @returns Other error codes as defined for the NET_SOCKET_CLOSE message. |
| 120 | */ |
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| 4578 | mejdrech | 121 | int closesocket( int socket_id ); |
| 122 | |||
| 4701 | mejdrech | 123 | /** Sends data via the socket. |
| 4756 | mejdrech | 124 | * @param[in] socket_id Socket identifier. |
| 125 | * @param[in] data The data to be sent. |
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| 126 | * @param[in] datalength The data length. |
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| 127 | * @param[in] flags Various send flags. |
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| 4701 | mejdrech | 128 | * @returns EOK on success. |
| 129 | * @returns ENOTSOCK if the socket is not found. |
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| 130 | * @returns EBADMEM if the data parameter is NULL. |
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| 131 | * @returns NO_DATA if the datalength parameter is zero (0). |
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| 132 | * @returns Other error codes as defined for the NET_SOCKET_SEND message. |
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| 133 | */ |
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| 4578 | mejdrech | 134 | int send( int socket_id, void * data, size_t datalength, int flags ); |
| 4701 | mejdrech | 135 | |
| 136 | /** Sends data via the socket to the remote address. |
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| 137 | * Binds the socket to a free port if not already connected/bound. |
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| 4756 | mejdrech | 138 | * @param[in] socket_id Socket identifier. |
| 139 | * @param[in] data The data to be sent. |
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| 140 | * @param[in] datalength The data length. |
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| 141 | * @param[in] flags Various send flags. |
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| 142 | * @param[in] toaddr The destination address. |
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| 143 | * @param[in] addrlen The address length. |
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| 4701 | mejdrech | 144 | * @returns EOK on success. |
| 145 | * @returns ENOTSOCK if the socket is not found. |
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| 146 | * @returns EBADMEM if the data or toaddr parameter is NULL. |
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| 147 | * @returns NO_DATA if the datalength or the addrlen parameter is zero (0). |
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| 148 | * @returns Other error codes as defined for the NET_SOCKET_SENDTO message. |
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| 149 | */ |
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| 4578 | mejdrech | 150 | int sendto( int socket_id, const void * data, size_t datalength, int flags, const struct sockaddr * toaddr, socklen_t addrlen ); |
| 151 | |||
| 4701 | mejdrech | 152 | /** Receives data via the socket. |
| 4756 | mejdrech | 153 | * @param[in] socket_id Socket identifier. |
| 154 | * @param[out] data The data buffer to be filled. |
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| 155 | * @param[in] datalength The data length. |
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| 156 | * @param[in] flags Various receive flags. |
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| 4701 | mejdrech | 157 | * @returns EOK on success. |
| 158 | * @returns ENOTSOCK if the socket is not found. |
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| 159 | * @returns EBADMEM if the data parameter is NULL. |
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| 160 | * @returns NO_DATA if the datalength parameter is zero (0). |
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| 161 | * @returns Other error codes as defined for the NET_SOCKET_RECV message. |
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| 162 | */ |
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| 4578 | mejdrech | 163 | int recv( int socket_id, void * data, size_t datalength, int flags ); |
| 4701 | mejdrech | 164 | |
| 165 | /** Receives data via the socket. |
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| 4756 | mejdrech | 166 | * @param[in] socket_id Socket identifier. |
| 167 | * @param[out] data The data buffer to be filled. |
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| 168 | * @param[in] datalength The data length. |
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| 169 | * @param[in] flags Various receive flags. |
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| 170 | * @param[out] fromaddr The source address. |
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| 171 | * @param[in,out] addrlen The address length. The maximum address length is read. The actual address length is set. |
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| 4701 | mejdrech | 172 | * @returns EOK on success. |
| 173 | * @returns ENOTSOCK if the socket is not found. |
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| 174 | * @returns EBADMEM if the data or fromaddr parameter is NULL. |
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| 175 | * @returns NO_DATA if the datalength or addrlen parameter is zero (0). |
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| 176 | * @returns Other error codes as defined for the NET_SOCKET_RECVFROM message. |
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| 177 | */ |
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| 4578 | mejdrech | 178 | int recvfrom( int socket_id, void * data, size_t datalength, int flags, struct sockaddr * fromaddr, socklen_t * addrlen ); |
| 179 | |||
| 4701 | mejdrech | 180 | /** Gets socket option. |
| 4756 | mejdrech | 181 | * @param[in] socket_id Socket identifier. |
| 182 | * @param[in] level The socket options level. |
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| 183 | * @param[in] optname The socket option to be get. |
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| 184 | * @param[out] value The value buffer to be filled. |
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| 185 | * @param[in,out] optlen The value buffer length. The maximum length is read. The actual length is set. |
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| 4701 | mejdrech | 186 | * @returns EOK on success. |
| 187 | * @returns ENOTSOCK if the socket is not found. |
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| 188 | * @returns EBADMEM if the value or optlen parameter is NULL. |
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| 189 | * @returns NO_DATA if the optlen parameter is zero (0). |
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| 190 | * @returns Other error codes as defined for the NET_SOCKET_GETSOCKOPT message. |
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| 191 | */ |
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| 4578 | mejdrech | 192 | int getsockopt( int socket_id, int level, int optname, void * value, size_t * optlen ); |
| 4701 | mejdrech | 193 | |
| 194 | /** Sets socket option. |
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| 4756 | mejdrech | 195 | * @param[in] socket_id Socket identifier. |
| 196 | * @param[in] level The socket options level. |
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| 197 | * @param[in] optname The socket option to be set. |
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| 198 | * @param[in] value The value to be set. |
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| 199 | * @param[in] optlen The value length. |
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| 4701 | mejdrech | 200 | * @returns EOK on success. |
| 201 | * @returns ENOTSOCK if the socket is not found. |
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| 202 | * @returns EBADMEM if the value parameter is NULL. |
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| 203 | * @returns NO_DATA if the optlen parameter is zero (0). |
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| 204 | * @returns Other error codes as defined for the NET_SOCKET_SETSOCKOPT message. |
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| 205 | */ |
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| 4578 | mejdrech | 206 | int setsockopt( int socket_id, int level, int optname, const void * value, size_t optlen ); |
| 207 | |||
| 4701 | mejdrech | 208 | /*@}*/ |
| 209 | |||
| 3846 | mejdrech | 210 | #endif |
| 211 | |||
| 212 | /** @} |
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| 213 | */ |