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1 /* |
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2 * Copyright (c) 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 the License "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: Class for parsing and producing a response string of RTSP as rfc2326* |
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15 */ |
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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 #ifndef CCRRTSPRESPONSE_H |
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21 #define CCRRTSPRESPONSE_H |
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22 |
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23 // INCLUDES |
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24 #include "CRRtspCommon.h" |
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25 #include <e32base.h> |
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26 |
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27 // CONSTANTS |
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28 // None |
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29 |
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30 // MACROS |
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31 // None |
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32 |
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33 // DATA TYPES |
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34 // None |
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35 |
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36 // FORWARD DECLARATIONS |
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37 // None |
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38 |
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39 // CLASS DECLARATION |
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40 |
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41 /** |
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42 * Class for parsing and producing RTSP responses. |
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43 * |
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44 * @lib CommonRecordingEngine.lib |
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45 * @since Series 60 3.0 |
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46 */ |
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47 class CCRRtspResponse : public CCRRtspCommon |
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48 { |
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49 |
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50 public: // Data types |
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51 |
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52 /** |
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53 * RTSP response code. From RFC 2326 |
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54 */ |
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55 enum TResponseCode |
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56 { |
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57 ERTSPRespContinue = 100, |
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58 ERTSPRespOK = 200, /**< OK code, everything ok */ |
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59 ERTSPRespCreated = 201, /**< Same as 200 */ |
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60 ERTSPRespLowOnStorageSpace = 250, |
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61 ERTSPRespMultipleChoices = 300, |
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62 ERTSPRespMovedPermanently = 301, |
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63 ERTSPRespMovedTemporarily = 302, |
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64 ERTSPRespSeeOther = 303, |
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65 ERTSPRespNotModified = 304, |
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66 ERTSPRespUseProxy = 305, |
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67 ERTSPRespBadRequest = 400, |
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68 ERTSPRespUnauthorized = 401 , /**< We must re-issue command with authentication headers */ |
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69 ERTSPRespPaymentRequired = 402, |
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70 ERTSPRespForbidden = 403, |
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71 ERTSPRespNotFound = 404, |
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72 ERTSPRespMethodNotAllowed = 405, |
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73 ERTSPRespNotAcceptable = 406, |
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74 ERTSPRespProxyAuthenticationRequired = 407 , /**< We must re-issue command with authentication headers */ |
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75 ERTSPRespRequestTimeOut = 408, |
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76 ERTSPRespGone = 410, |
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77 ERTSPRespLengthRequired = 411, |
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78 ERTSPRespPreconditionFailed = 412, |
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79 ERTSPRespRequestEntityTooLarge = 413, |
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80 ERTSPRespRequestURITooLarge = 414, |
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81 ERTSPRespUnsupportedMediaType = 415, |
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82 ERTSPRespParameterNotUnderstood = 451, |
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83 ERTSPRespConferenceNotFound = 452, |
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84 ERTSPRespNotEnoughBandwidth = 453, |
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85 ERTSPRespSessionNotFound = 454, |
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86 ERTSPRespMethodNotValidInThisState = 455, |
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87 ERTSPRespHeaderFieldNotValidForResource = 456, |
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88 ERTSPRespInvalidRange = 457, |
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89 ERTSPRespParameterIsReadOnly = 458, |
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90 ERTSPRespAggregateOperationNotAllowed = 459, |
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91 ERTSPRespOnlyAggregateOperationAllowed = 460, |
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92 ERTSPRespUnsupportedTransport = 461, |
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93 ERTSPRespDestinationUnreachable = 462, |
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94 ERTSPRespInternalServerError = 500, |
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95 ERTSPRespNotImplemented = 501, |
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96 ERTSPRespBadGateway = 502, |
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97 ERTSPRespServiceUnavailable = 503, |
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98 ERTSPRespGatewayTimeOut = 504, |
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99 ERTSPRespRTSPVersionNotSupported = 505, |
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100 ERTSPRespOptionNotSupported = 551 |
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101 }; |
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102 |
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103 /** |
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104 * Structure for storing rtp-info header contents. |
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105 * if len of iFirstURL is zero, then the header has |
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106 * not been seen or parsed. Normally rtp-info-header |
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107 * has 2 urls and seq+ts for both. |
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108 */ |
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109 struct SRTPInfoHeader |
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110 { |
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111 TPtrC8 iFirstURL ; /**< URL string of first url found from header */ |
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112 TUint iFirstSeq ; /**< Seq of first URL */ |
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113 TUint iFirstTS ; /**< TS of first URL */ |
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114 TPtrC8 iSecondURL ;/**< URL string of second url found from header */ |
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115 TUint iSecondSeq ; /**< Seq of second URL */ |
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116 TUint iSecondTS ; /**< TS of second URL */ |
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117 }; |
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118 |
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119 public: // Constructors and destructor |
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120 |
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121 /** |
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122 * Two-phased constructor. |
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123 * @return CCRRtspResponse pointer to CCRRtspResponse class |
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124 */ |
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125 static CCRRtspResponse* NewL(); |
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126 |
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127 /** |
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128 * Destructor. |
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129 */ |
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130 virtual ~CCRRtspResponse(); |
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131 |
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132 public: // New functions |
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133 |
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134 /** |
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135 * Method that is used to give rtsp response to this class. |
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136 * Response is something alike "RTSP/1.0 200 OK\rCSeq: 200000\r..." |
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137 * @since Series 60 3.0 |
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138 * @param aString is the response string. |
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139 * @return none. May leave with symbian error codes. At least following may be |
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140 * seen: KErrUnderflow if there is \r\n\r\n sequence in the string |
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141 * marking end of response or if there is content (like SDP) and the |
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142 * content lenght is too short; KErrNotSupported if it doesn't look |
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143 * like RTSP at all. |
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144 */ |
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145 virtual void TryParseL( const TDesC8 &aString ); |
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146 |
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147 /** |
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148 * Method for acquiring the response code from command string that was successfully |
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149 * parsed. If TryParseL did leave, this may return anything. |
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150 * @since Series 60 3.0 |
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151 * @param none. |
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152 * @return response code, like ERTSPRespOK if it was 200 OK. |
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153 */ |
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154 CCRRtspResponse::TResponseCode StatusCode( void ); |
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155 |
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156 /** |
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157 * Method for getting server port. |
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158 * @since Series 60 3.0 |
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159 * @param none. |
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160 * @return server port of KErrNotFound if none found. |
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161 */ |
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162 TInt ServerPort( void ); |
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163 |
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164 /** |
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165 * Method for getting SSRC. |
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166 * @since Series 60 3.0 |
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167 * @param aSSRC is string descriptor allocated by caller that |
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168 * will have its content set to block allocated by instance |
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169 * of this class containing the SSRC. |
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170 * @return KErrNone if no error, KErrNotFound if SSRC is not there. |
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171 */ |
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172 TInt SSRC( TPtrC8& aSSRC ); |
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173 |
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174 |
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175 /** |
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176 * Method for getting RTP-Info header. |
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177 * @since Series 60 3.0 |
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178 * @param aRTPInfoHeader is header struct allocated by caller that |
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179 * will have its content set to strings (and numbers) allocated |
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180 * by instance of this class so once instance of this class |
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181 * is deleted, it is not wise to try referring to those |
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182 * values any more. |
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183 * @return KErrNone if no error, |
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184 KErrNotFound if rtp-info header is not there. |
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185 */ |
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186 TInt RTPInfoHeader( CCRRtspResponse::SRTPInfoHeader &aRTPInfoHeader ); |
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187 |
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188 protected: // New Methods |
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189 |
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190 /** |
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191 * Method for digging out server ports from (setup) reply |
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192 * @since Series 60 3.0 |
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193 * @param none. |
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194 * @return none. |
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195 */ |
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196 void FindServerPorts( void ); |
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197 |
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198 /** |
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199 * Method for digging out SSRC from (setup) reply |
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200 * @since Series 60 3.0 |
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201 * @param none. |
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202 * @return none. |
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203 */ |
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204 void FindSSRC( void ); |
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205 |
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206 /** |
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207 * Method for digging out and partially parsing RTP-Info -header |
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208 * @since Series 60 3.0 |
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209 * @param none. |
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210 * @return none. |
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211 */ |
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212 void FindRTPInfoHeader( void ); |
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213 |
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214 /** |
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215 * Method for digging out and partially parsing RTP-authentication -header |
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216 * @since Series 60 3.0 |
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217 * @param none. |
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218 * @return none. |
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219 */ |
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220 void FindRTPAuthenticationL( void ); |
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221 |
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222 private: // Constructors and destructors |
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223 |
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224 /** |
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225 * default constructor |
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226 */ |
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227 CCRRtspResponse( void ); |
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228 |
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229 /** |
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230 * 2nd phase constructor |
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231 */ |
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232 void ConstructL(); |
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233 |
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234 private: // Data types |
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235 |
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236 /** |
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237 * Code how the command went. |
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238 */ |
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239 TResponseCode iStatusCode; |
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240 |
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241 /** |
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242 * Possible server port. |
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243 */ |
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244 TInt iServerPort; |
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245 |
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246 /** |
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247 * Possible synchronization source id. |
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248 */ |
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249 TPtrC8 iSSRC; |
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250 |
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251 /** |
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252 * Possible contents of rtp info header. |
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253 */ |
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254 SRTPInfoHeader iRTPInfoHeader; |
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255 |
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256 }; |
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257 |
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258 #endif // CCRRTSPRESPONSE_H |
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259 |
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260 // End of file |
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261 |