1 | /* |
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2 | * wsIntrn.h -- Internal Go Ahead Web server header |
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3 | * |
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4 | * Copyright (c) Go Ahead Software Inc., 1992-1999. All Rights Reserved. |
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5 | * |
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6 | * See the file "license.txt" for information on usage and redistribution |
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7 | */ |
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8 | |
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9 | #ifndef _h_WEBS_INTERNAL |
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10 | #define _h_WEBS_INTERNAL 1 |
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11 | |
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12 | /******************************** Description *********************************/ |
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13 | |
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14 | /* |
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15 | * Internal Go Ahead Web Server header. This defines the Web private APIs |
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16 | * Include this header when you want to create URL handlers. |
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17 | */ |
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18 | |
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19 | /*********************************** Defines **********************************/ |
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20 | |
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21 | /* |
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22 | * Define this to enable login of web accesses to a file |
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23 | * #define WEBS_LOG_SUPPORT 1 |
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24 | * |
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25 | * Define this to enable HTTP/1.1 keep alive support |
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26 | * #define WEBS_KEEP_ALIVE_SUPPORT 1 |
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27 | * |
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28 | * Define this to enable if-modified-since support |
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29 | * #define WEBS_IF_MODIFIED_SUPPORT 1 |
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30 | * |
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31 | * Define this to support proxy capability and track local vs remote request |
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32 | * Note: this is not yet fully implemented. |
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33 | * #define WEBS_PROXY_SUPPORT 1 |
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34 | * |
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35 | * Define this to support reading pages from ROM |
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36 | * Note: this is not yet fully implemented. |
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37 | * #define WEBS_PAGE_ROM 1 |
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38 | * |
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39 | * Define this to enable memory allocation and stack usage tracking |
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40 | * #define B_STATS 1 |
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41 | */ |
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42 | |
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43 | /********************************** Includes **********************************/ |
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44 | |
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45 | #include <ctype.h> |
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46 | #include <stdlib.h> |
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47 | #include <string.h> |
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48 | #include <stdarg.h> |
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49 | |
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50 | #if WIN |
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51 | #include <fcntl.h> |
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52 | #include <sys/stat.h> |
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53 | #include <io.h> |
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54 | #endif |
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55 | |
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56 | #if CE |
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57 | #if ! UEMF |
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58 | #include <io.h> |
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59 | #endif |
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60 | #endif |
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61 | |
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62 | #if NW |
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63 | #include <fcntl.h> |
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64 | #include <sys/stat.h> |
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65 | #endif |
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66 | |
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67 | #if LYNX |
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68 | #include <fcntl.h> |
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69 | #include <sys/stat.h> |
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70 | #include <signal.h> |
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71 | #include <unistd.h> |
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72 | #endif |
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73 | |
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74 | #if UNIX |
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75 | #include <fcntl.h> |
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76 | #include <sys/stat.h> |
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77 | #include <signal.h> |
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78 | #include <unistd.h> |
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79 | #endif |
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80 | |
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81 | #if QNX4 |
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82 | #include <fcntl.h> |
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83 | #include <sys/stat.h> |
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84 | #include <signal.h> |
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85 | #include <unistd.h> |
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86 | #include <unix.h> |
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87 | #endif |
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88 | |
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89 | #if UW |
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90 | #include <fcntl.h> |
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91 | #include <sys/stat.h> |
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92 | #endif |
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93 | |
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94 | #if VXW486 |
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95 | #include <vxWorks.h> |
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96 | #include <fcntl.h> |
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97 | #include <sys/stat.h> |
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98 | #endif |
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99 | |
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100 | #if UEMF |
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101 | #include "uemf.h" |
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102 | #include "ej.h" |
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103 | #else |
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104 | #include "emf/emfInternal.h" |
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105 | #endif |
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106 | |
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107 | #include "webs.h" |
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108 | |
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109 | /********************************** Defines ***********************************/ |
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110 | /* |
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111 | * Read handler flags and state |
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112 | */ |
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113 | #define WEBS_BEGIN 0x1 /* Beginning state */ |
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114 | #define WEBS_HEADER 0x2 /* Ready to read first line */ |
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115 | #define WEBS_POST 0x4 /* POST without content */ |
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116 | #define WEBS_POST_CLEN 0x8 /* Ready to read content for POST */ |
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117 | #define WEBS_PROCESSING 0x10 /* Processing request */ |
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118 | #define WEBS_KEEP_TIMEOUT 15000 /* Keep-alive timeout (15 secs) */ |
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119 | #define WEBS_TIMEOUT 60000 /* General request timeout (60) */ |
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120 | |
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121 | #define PAGE_READ_BUFSIZE 512 /* bytes read from page files */ |
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122 | #define MAX_PORT_LEN 10 /* max digits in port number */ |
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123 | |
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124 | /* |
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125 | * URL handler structure. Stores the leading URL path and the handler |
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126 | * function to call when the URL path is seen. |
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127 | */ |
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128 | typedef struct { |
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129 | int (*handler)(webs_t wp, char_t *urlPrefix, char_t *webDir, int arg, |
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130 | char_t *url, char_t *path, |
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131 | char_t *query); /* Callback URL handler function */ |
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132 | char_t *webDir; /* Web directory if required */ |
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133 | char_t *urlPrefix; /* URL leading prefix */ |
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134 | int len; /* Length of urlPrefix for speed */ |
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135 | int arg; /* Argument to provide to handler */ |
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136 | int flags; /* Flags */ |
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137 | } websUrlHandlerType; |
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138 | |
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139 | /* |
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140 | * Webs statistics |
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141 | */ |
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142 | typedef struct { |
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143 | long errors; /* General errors */ |
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144 | long redirects; |
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145 | long net_requests; |
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146 | long activeNetRequests; |
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147 | long activeBrowserRequests; |
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148 | long timeouts; |
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149 | long access; /* Access violations */ |
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150 | long localHits; |
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151 | long remoteHits; |
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152 | long formHits; |
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153 | long handlerHits; |
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154 | } websStatsType; |
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155 | |
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156 | extern websStatsType websStats; /* Web access stats */ |
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157 | |
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158 | /* |
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159 | * Error code list |
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160 | */ |
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161 | typedef struct { |
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162 | int code; /* HTTP error code */ |
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163 | char_t *msg; /* HTTP error message */ |
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164 | } websErrorType; |
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165 | |
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166 | /* |
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167 | * Mime type list |
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168 | */ |
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169 | typedef struct { |
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170 | char_t *type; /* Mime type */ |
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171 | char_t *ext; /* File extension */ |
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172 | } websMimeType; |
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173 | |
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174 | /* |
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175 | * File information structure. |
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176 | */ |
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177 | typedef struct { |
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178 | unsigned long size; /* File length */ |
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179 | int isDir; /* Set if directory */ |
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180 | time_t mtime; /* Modified time */ |
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181 | } websStatType; |
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182 | |
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183 | /* |
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184 | * Compiled Rom Page Index |
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185 | */ |
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186 | typedef struct { |
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187 | char_t *path; /* Web page URL path */ |
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188 | unsigned char *page; /* Web page data */ |
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189 | int size; /* Size of web page in bytes */ |
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190 | int pos; /* Current read position */ |
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191 | } websRomPageIndexType; |
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192 | |
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193 | /* |
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194 | * Defines for file open. |
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195 | */ |
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196 | #ifndef CE |
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197 | #define SOCKET_RDONLY O_RDONLY |
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198 | #define SOCKET_BINARY O_BINARY |
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199 | #else /* CE */ |
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200 | #define SOCKET_RDONLY 0x1 |
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201 | #define SOCKET_BINARY 0x2 |
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202 | #endif /* CE */ |
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203 | |
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204 | extern websRomPageIndexType websRomPageIndex[]; |
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205 | extern websMimeType websMimeList[]; /* List of mime types */ |
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206 | extern sym_fd_t websMime; /* Set of mime types */ |
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207 | extern webs_t* webs; /* Session list head */ |
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208 | extern int websMax; /* List size */ |
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209 | extern char_t websHost[64]; /* Name of this host */ |
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210 | extern char_t websIpaddr[64]; /* IP address of this host */ |
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211 | extern char_t *websHostUrl; /* URL for this host */ |
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212 | extern int websPort; /* Port number */ |
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213 | |
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214 | /******************************** Prototypes **********************************/ |
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215 | |
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216 | extern int websAspOpen(); |
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217 | extern void websAspClose(); |
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218 | extern void websFormOpen(); |
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219 | extern void websFormClose(); |
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220 | extern int websAspWrite(int ejid, webs_t wp, int argc, char_t **argv); |
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221 | extern void websDefaultClose(); |
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222 | extern int websDefaultHandler(webs_t wp, char_t *urlPrefix, |
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223 | char_t *webDir, int arg, char_t *url, char_t *path, |
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224 | char_t *query); |
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225 | extern int websFormHandler(webs_t wp, char_t *urlPrefix, char_t *webDir, |
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226 | int arg, char_t *url, char_t *path, char_t *query); |
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227 | extern int websOpen(int sid); |
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228 | extern void websResponse(webs_t wp, int code, char_t *msg, |
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229 | char_t *redirect); |
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230 | extern int websJavaScriptEval(webs_t wp, char_t *script); |
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231 | extern int websPageReadData(webs_t wp, char *buf, int nBytes); |
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232 | extern int websPageOpen(webs_t wp, char_t *lpath, char_t *path, int mode, int perm); |
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233 | extern void websPageClose(webs_t wp); |
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234 | extern void websPageSeek(webs_t wp, long offset); |
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235 | extern int websPageStat(webs_t wp, char_t *lpath, char_t *path, |
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236 | websStatType *sbuf); |
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237 | extern int websPageIsDirectory(char_t *lpath); |
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238 | extern int websRomOpen(); |
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239 | extern void websRomClose(); |
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240 | extern int websRomPageOpen(webs_t wp, char_t *path, int mode, int perm); |
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241 | extern void websRomPageClose(int fd); |
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242 | extern int websRomPageReadData(webs_t wp, char *buf, int len); |
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243 | extern int websRomPageStat(char_t *path, websStatType *sbuf); |
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244 | extern long websRomPageSeek(webs_t wp, long offset, int origin); |
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245 | extern void websSetRequestSocketHandler(webs_t wp, int mask, |
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246 | void (*fn)(webs_t wp)); |
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247 | extern int websSolutionHandler(webs_t wp, char_t *urlPrefix, |
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248 | char_t *webDir, int arg, char_t *url, char_t *path, |
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249 | char_t *query); |
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250 | extern void websUrlHandlerClose(); |
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251 | extern int websUrlHandlerOpen(); |
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252 | extern int websOpenServer(int port, int retries); |
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253 | extern void websCloseServer(); |
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254 | extern char_t* websGetDateString(websStatType* sbuf); |
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255 | |
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256 | /* |
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257 | * Prototypes for functions available when running as part of the |
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258 | * GoAhead Embedded Management Framework (EMF) |
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259 | */ |
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260 | #if EMF |
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261 | extern int websEmfOpen(); |
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262 | extern void websEmfClose(); |
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263 | extern void websSetEmfEnvironment(webs_t wp); |
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264 | #endif |
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265 | |
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266 | #endif /* _h_WEBS_INTERNAL */ |
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267 | |
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268 | /******************************************************************************/ |
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