xref: /haiku/src/kits/package/FetchFileJob.cpp (revision 71452e98334eaac603bf542d159e24788a46bebb)
1 /*
2  * Copyright 2011-2015, Haiku, Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Axel Dörfler <axeld@pinc-software.de>
7  *		Rene Gollent <rene@gollent.com>
8  *		Oliver Tappe <zooey@hirschkaefer.de>
9  */
10 
11 
12 #include <package/FetchFileJob.h>
13 
14 #include <stdio.h>
15 #ifndef HAIKU_BOOTSTRAP_BUILD
16 #include <curl/curl.h>
17 #endif
18 #include <sys/wait.h>
19 
20 #include <Path.h>
21 
22 
23 namespace BPackageKit {
24 
25 namespace BPrivate {
26 
27 
28 FetchFileJob::FetchFileJob(const BContext& context, const BString& title,
29 	const BString& fileURL, const BEntry& targetEntry)
30 	:
31 	inherited(context, title),
32 	fFileURL(fileURL),
33 	fTargetEntry(targetEntry),
34 	fTargetFile(&targetEntry, B_CREATE_FILE | B_ERASE_FILE | B_WRITE_ONLY),
35 	fDownloadProgress(0.0)
36 {
37 }
38 
39 
40 FetchFileJob::~FetchFileJob()
41 {
42 }
43 
44 
45 float
46 FetchFileJob::DownloadProgress() const
47 {
48 	return fDownloadProgress;
49 }
50 
51 
52 const char*
53 FetchFileJob::DownloadURL() const
54 {
55 	return fFileURL.String();
56 }
57 
58 
59 const char*
60 FetchFileJob::DownloadFileName() const
61 {
62 	return fTargetEntry.Name();
63 }
64 
65 
66 off_t
67 FetchFileJob::DownloadBytes() const
68 {
69 	return fBytes;
70 }
71 
72 
73 off_t
74 FetchFileJob::DownloadTotalBytes() const
75 {
76 	return fTotalBytes;
77 }
78 
79 
80 status_t
81 FetchFileJob::Execute()
82 {
83 	status_t result = fTargetFile.InitCheck();
84 	if (result != B_OK)
85 		return result;
86 
87 	#ifndef HAIKU_BOOTSTRAP_BUILD
88 	CURL* handle = curl_easy_init();
89 
90 	if (handle == NULL)
91 		return B_NO_MEMORY;
92 
93 	result = curl_easy_setopt(handle, CURLOPT_NOPROGRESS, 0);
94 
95 	result = curl_easy_setopt(handle, CURLOPT_XFERINFOFUNCTION,
96 		&_TransferCallback);
97 	if (result != CURLE_OK)
98 		return B_BAD_VALUE;
99 
100 	result = curl_easy_setopt(handle, CURLOPT_PROGRESSDATA, this);
101 	if (result != CURLE_OK)
102 		return B_ERROR;
103 
104 	result = curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION,
105 		&_WriteCallback);
106 	if (result != CURLE_OK)
107 		return B_ERROR;
108 
109 	result = curl_easy_setopt(handle, CURLOPT_WRITEDATA, this);
110 	if (result != CURLE_OK)
111 		return B_ERROR;
112 
113 	result = curl_easy_setopt(handle, CURLOPT_FOLLOWLOCATION, 1);
114 	if (result != CURLE_OK)
115 		return B_ERROR;
116 
117 	result = curl_easy_setopt(handle, CURLOPT_URL, fFileURL.String());
118 	if (result != CURLE_OK)
119 		return B_ERROR;
120 
121 	result = curl_easy_perform(handle);
122 	curl_easy_cleanup(handle);
123 	if (result != CURLE_OK) {
124 		// TODO: map more curl error codes to ours for more
125 		// precise error reporting
126 		return B_ERROR;
127 	}
128 	#endif /* !HAIKU_BOOTSTRAP_BUILD */
129 
130 	return B_OK;
131 }
132 
133 
134 int
135 FetchFileJob::_TransferCallback(void* _job, off_t downloadTotal,
136 	off_t downloaded, off_t uploadTotal, off_t uploaded)
137 {
138 	FetchFileJob* job = reinterpret_cast<FetchFileJob*>(_job);
139 	if (downloadTotal != 0) {
140 		job->fBytes = downloaded;
141 		job->fTotalBytes = downloadTotal;
142 		job->fDownloadProgress = (float)downloaded / downloadTotal;
143 		job->NotifyStateListeners();
144 	}
145 	return 0;
146 }
147 
148 
149 size_t
150 FetchFileJob::_WriteCallback(void *buffer, size_t size, size_t nmemb,
151 	void *userp)
152 {
153 	FetchFileJob* job = reinterpret_cast<FetchFileJob*>(userp);
154 	ssize_t dataWritten = job->fTargetFile.Write(buffer, size * nmemb);
155 	return size_t(dataWritten);
156 }
157 
158 
159 void
160 FetchFileJob::Cleanup(status_t jobResult)
161 {
162 	if (jobResult != B_OK)
163 		fTargetEntry.Remove();
164 }
165 
166 
167 }	// namespace BPrivate
168 
169 }	// namespace BPackageKit
170