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1 /* |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * System Includes |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 #include <stdio.h> |
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22 #include <stdlib.h> |
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23 #include <string.h> |
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24 #include <assert.h> |
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25 #include <ctype.h> |
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26 #include <errno.h> |
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27 |
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28 #ifdef WIN32 |
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29 #include <winsock2.h> |
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30 #else |
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31 #include <sys/types.h> |
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32 #include <sys/socket.h> |
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33 #include <netinet/in.h> |
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34 #include <netdb.h> |
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35 #endif |
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36 |
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37 /******************************************************************************* |
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38 * |
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39 * Local Includes |
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40 * |
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41 ******************************************************************************/ |
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42 #include "socket_helper.h" |
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43 |
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44 /******************************************************************************* |
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45 * |
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46 * Definition |
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47 * |
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48 ******************************************************************************/ |
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49 |
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50 /******************************************************************************* |
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51 * |
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52 * Implementation |
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53 * |
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54 ******************************************************************************/ |
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55 struct sockaddr_in getsockaddr( const char* ip, const char* port) |
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56 { |
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57 int isip; |
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58 struct sockaddr_in sockaddr; |
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59 int b1, b2, b3, b4; |
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60 unsigned long addr = 0; |
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61 |
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62 // set the basics |
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63 sockaddr.sin_family = AF_INET; |
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64 sockaddr.sin_port = htons(atoi(port)); |
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65 |
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66 // if IP is NULL then set to INADDR_ANY otherwise work it out |
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67 if( ip == NULL ) { |
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68 #ifdef WIN32 |
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69 sockaddr.sin_addr.S_un.S_addr = INADDR_ANY; |
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70 #else |
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71 sockaddr.sin_addr.s_addr = INADDR_ANY; |
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72 #endif |
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73 return sockaddr; |
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74 } |
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75 |
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76 // otherwise we see if this is an IP address |
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77 isip = is_ip_address( ip ); |
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78 if( isip ) { |
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79 sscanf( ip, "%d.%d.%d.%d", &b1, &b2, &b3,&b4 ); |
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80 addr = ((b1<<24)&0xFF000000); |
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81 addr |= ((b2<<16)&0x00FF0000); |
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82 addr |= ((b3<<8)&0x0000FF00); |
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83 addr |= ((b4)&0x000000FF); |
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84 #ifdef WIN32 |
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85 sockaddr.sin_addr.S_un.S_addr = htonl(addr); |
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86 #else |
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87 sockaddr.sin_addr.s_addr = htonl(addr); |
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88 #endif |
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89 |
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90 } else { |
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91 struct hostent *hp = gethostbyname(ip); |
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92 memcpy(&sockaddr.sin_addr,hp->h_addr,hp->h_length); |
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93 } |
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94 |
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95 return sockaddr; |
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96 } |
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97 |
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98 int is_ip_address( const char* aAddr ) |
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99 { |
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100 int i; |
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101 int dot_count = 0; |
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102 |
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103 // Our method for checking whether this is an IP address is to check that |
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104 // we have digits and points (3 to be precise). |
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105 for( i = 0; aAddr[i] != 0; i++ ) { |
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106 if( (aAddr[i] != '.') && (isdigit(aAddr[i]) == 0) ) { |
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107 return 0; |
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108 } |
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109 if( aAddr[i] == '.' ) { |
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110 dot_count++; |
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111 if( dot_count > 3 ) { |
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112 return 0; |
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113 } |
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114 } |
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115 } |
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116 return 1; |
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117 } |
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118 |
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119 /******************************************************************************* |
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120 * |
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121 * GetSocketError - gets the last socket error - for xdev |
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122 * |
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123 ******************************************************************************/ |
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124 int GetSocketError() |
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125 { |
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126 #ifdef WIN32 |
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127 return WSAGetLastError(); |
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128 #else |
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129 return errno; |
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130 #endif |
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131 } |