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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 | */ |