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comparison ui/downloader.h @ 32:d8e93fa1fc93

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Downloader logic
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 12 Mar 2014 21:26:07 +0100
parents 62cd56cea09b
children c6125d73faf4
comparison
equal deleted inserted replaced
31:37fc66967517 32:d8e93fa1fc93
47 ~Downloader(); 47 ~Downloader();
48 48
49 enum ErrorCode { 49 enum ErrorCode {
50 NoError, 50 NoError,
51 NoConnection, 51 NoConnection,
52 SSLHandshakeFailed,
52 InvalidCertificate, 53 InvalidCertificate,
53 InvalidPinnedCertificate, 54 InvalidPinnedCertificate,
55 InvalidResponse,
54 ConnectionLost, 56 ConnectionLost,
55 Timeout, 57 Timeout,
56 ErrUnknown 58 ErrUnknown
57 }; 59 };
58 60
90 /* Convienience to avoid having to parse all 92 /* Convienience to avoid having to parse all
91 * PolarSSL errors */ 93 * PolarSSL errors */
92 ErrorCode mErrorState; 94 ErrorCode mErrorState;
93 95
94 bool mInitialized; 96 bool mInitialized;
97 bool mConnectionEstablished;
95 98
96 int mServerFD; 99 int mServerFD;
97 100
98 101
99 /* @brief: Initialize polarssl structures 102 /* @brief: Initialize polarssl structures
104 * 107 *
105 * @returns: 0 on success a polarssl error otherwise. 108 * @returns: 0 on success a polarssl error otherwise.
106 */ 109 */
107 int init(); 110 int init();
108 111
109 /** @brief: Establish the connection 112 /** @brief: Establish the ssl connection
113 *
114 * Modifies the error state. Before calling this the mServerFD should
115 * be set to a valid socket.
110 * 116 *
111 * @returns 0 on success otherwise a polarssl error or -1 is returned 117 * @returns 0 on success otherwise a polarssl error or -1 is returned
112 */ 118 */
113 int establishSSLConnection(); 119 int establishSSLConnection();
114 #ifdef Q_OS_WIN 120
115 #endif 121 /** @brief get the last modified header of a resource.
122 *
123 * Connection should be established beforehand.
124 * Modifies the error state.
125 *
126 * @param[in] resource The resource to check
127 *
128 * @returns the last modified date or a null datetime in case of errors
129 */
130 QDateTime getLastModifiedHeader(const QString &resource);
131
132 /** @brief Download resource
133 *
134 * Download a resource with the established connection.
135 * Modifies the error state.
136 *
137 * @param[in] resource the resource to download
138 * @param[in] filename where the file should be saved.
139 * @param[in] maxSize maximum amount of bytes to download
140 *
141 * @returns True if the download was successful.
142 */
143 bool downloadFile(const QString &resource, const QString &filename,
144 size_t maxSize);
116 145
117 Q_SIGNALS: 146 Q_SIGNALS:
118 /** 147 /**
119 * @brief software update is available 148 * @brief software update is available
120 */ 149 */
http://wald.intevation.org/projects/trustbridge/