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3 <title>Light Media Scanner: src/lib/lightmediascanner.c Source File</title>
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23 <h1>src/lib/lightmediascanner.c</h1><a href="lightmediascanner_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
24 <a name="l00021"></a>00021 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
25 <a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#include "config.h"</span>
26 <a name="l00023"></a>00023 <span class="preprocessor">#endif</span>
27 <a name="l00024"></a>00024 <span class="preprocessor"></span>
28 <a name="l00025"></a>00025 <span class="preprocessor">#include <dlfcn.h></span>
29 <a name="l00026"></a>00026 <span class="preprocessor">#include <stdio.h></span>
30 <a name="l00027"></a>00027 <span class="preprocessor">#include <stdlib.h></span>
31 <a name="l00028"></a>00028 <span class="preprocessor">#include <string.h></span>
32 <a name="l00029"></a>00029 <span class="preprocessor">#include <dirent.h></span>
33 <a name="l00030"></a>00030 <span class="preprocessor">#include <errno.h></span>
34 <a name="l00031"></a>00031
35 <a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="lightmediascanner_8h.html">lightmediascanner.h</a>"</span>
36 <a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="lightmediascanner__private_8h.html">lightmediascanner_private.h</a>"</span>
37 <a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="lightmediascanner__plugin_8h.html">lightmediascanner_plugin.h</a>"</span>
38 <a name="l00035"></a>00035
39 <a name="l00036"></a><a class="code" href="lightmediascanner_8c.html#c2843894cca63ec0089c381e69d1d81a">00036</a> <span class="preprocessor">#define DEFAULT_SLAVE_TIMEOUT 1000</span>
40 <a name="l00037"></a><a class="code" href="lightmediascanner_8c.html#6d0480dc76aba4a2291d79ac2466fc59">00037</a> <span class="preprocessor"></span><span class="preprocessor">#define DEFAULT_COMMIT_INTERVAL 100</span>
41 <a name="l00038"></a>00038 <span class="preprocessor"></span>
42 <a name="l00039"></a>00039 <span class="keyword">static</span> <span class="keywordtype">int</span>
43 <a name="l00040"></a>00040 _parser_load(<span class="keyword">struct</span> <a class="code" href="structparser.html">parser</a> *p, <span class="keyword">const</span> <span class="keywordtype">char</span> *so_path)
44 <a name="l00041"></a>00041 {
45 <a name="l00042"></a>00042 <a class="code" href="structlms__plugin.html">lms_plugin_t</a> *(*plugin_open)(void);
46 <a name="l00043"></a>00043 <span class="keywordtype">char</span> *errmsg;
47 <a name="l00044"></a>00044
48 <a name="l00045"></a>00045 memset(p, 0, <span class="keyword">sizeof</span>(*p));
49 <a name="l00046"></a>00046
50 <a name="l00047"></a>00047 p-><a class="code" href="structparser.html#3dd2a049d1cd9229ec33645e28803e0a">dl_handle</a> = dlopen(so_path, RTLD_NOW | RTLD_LOCAL);
51 <a name="l00048"></a>00048 errmsg = dlerror();
52 <a name="l00049"></a>00049 <span class="keywordflow">if</span> (errmsg) {
53 <a name="l00050"></a>00050 fprintf(stderr, <span class="stringliteral">"ERROR: could not dlopen() %s\n"</span>, errmsg);
54 <a name="l00051"></a>00051 <span class="keywordflow">return</span> -1;
55 <a name="l00052"></a>00052 }
56 <a name="l00053"></a>00053
57 <a name="l00054"></a>00054 plugin_open = dlsym(p-><a class="code" href="structparser.html#3dd2a049d1cd9229ec33645e28803e0a">dl_handle</a>, <span class="stringliteral">"lms_plugin_open"</span>);
58 <a name="l00055"></a>00055 errmsg = dlerror();
59 <a name="l00056"></a>00056 <span class="keywordflow">if</span> (errmsg) {
60 <a name="l00057"></a>00057 fprintf(stderr, <span class="stringliteral">"ERROR: could not find plugin entry point %s\n"</span>,
61 <a name="l00058"></a>00058 errmsg);
62 <a name="l00059"></a>00059 <span class="keywordflow">return</span> -2;
63 <a name="l00060"></a>00060 }
64 <a name="l00061"></a>00061
65 <a name="l00062"></a>00062 p-><a class="code" href="structparser.html#f29cac42dbdf498606fae3f5b9fc3762">so_path</a> = strdup(so_path);
66 <a name="l00063"></a>00063 <span class="keywordflow">if</span> (!p-><a class="code" href="structparser.html#f29cac42dbdf498606fae3f5b9fc3762">so_path</a>) {
67 <a name="l00064"></a>00064 perror(<span class="stringliteral">"strdup"</span>);
68 <a name="l00065"></a>00065 <span class="keywordflow">return</span> -3;
69 <a name="l00066"></a>00066 }
70 <a name="l00067"></a>00067
71 <a name="l00068"></a>00068 p-><a class="code" href="structparser.html#6c71e3299d4bac660320e7ca935f9b32">plugin</a> = plugin_open();
72 <a name="l00069"></a>00069 <span class="keywordflow">if</span> (!p-><a class="code" href="structparser.html#6c71e3299d4bac660320e7ca935f9b32">plugin</a>) {
73 <a name="l00070"></a>00070 fprintf(stderr, <span class="stringliteral">"ERROR: plugin \"%s\" failed to init.\n"</span>, so_path);
74 <a name="l00071"></a>00071 <span class="keywordflow">return</span> -4;
75 <a name="l00072"></a>00072 }
76 <a name="l00073"></a>00073
77 <a name="l00074"></a>00074 <span class="keywordflow">return</span> 0;
78 <a name="l00075"></a>00075 }
79 <a name="l00076"></a>00076
80 <a name="l00077"></a>00077 <span class="keyword">static</span> <span class="keywordtype">int</span>
81 <a name="l00078"></a>00078 _parser_unload(<span class="keyword">struct</span> <a class="code" href="structparser.html">parser</a> *p)
82 <a name="l00079"></a>00079 {
83 <a name="l00080"></a>00080 <span class="keywordtype">int</span> r;
84 <a name="l00081"></a>00081
85 <a name="l00082"></a>00082 r = 0;
86 <a name="l00083"></a>00083 <span class="keywordflow">if</span> (p-><a class="code" href="structparser.html#6c71e3299d4bac660320e7ca935f9b32">plugin</a>) {
87 <a name="l00084"></a>00084 <span class="keywordflow">if</span> (p-><a class="code" href="structparser.html#6c71e3299d4bac660320e7ca935f9b32">plugin</a>-><a class="code" href="structlms__plugin.html#4921b3b79c7ecdddbe9f1a7c9f5019c7">close</a>(p-><a class="code" href="structparser.html#6c71e3299d4bac660320e7ca935f9b32">plugin</a>) != 0) {
88 <a name="l00085"></a>00085 fprintf(stderr, <span class="stringliteral">"ERROR: plugin \"%s\" failed to deinit.\n"</span>,
89 <a name="l00086"></a>00086 p-><a class="code" href="structparser.html#f29cac42dbdf498606fae3f5b9fc3762">so_path</a>);
90 <a name="l00087"></a>00087 r -= 1;
91 <a name="l00088"></a>00088 }
92 <a name="l00089"></a>00089 }
93 <a name="l00090"></a>00090
94 <a name="l00091"></a>00091 <span class="keywordflow">if</span> (p-><a class="code" href="structparser.html#3dd2a049d1cd9229ec33645e28803e0a">dl_handle</a>) {
95 <a name="l00092"></a>00092 <span class="keywordtype">char</span> *errmsg;
96 <a name="l00093"></a>00093
97 <a name="l00094"></a>00094 dlclose(p-><a class="code" href="structparser.html#3dd2a049d1cd9229ec33645e28803e0a">dl_handle</a>);
98 <a name="l00095"></a>00095 errmsg = dlerror();
99 <a name="l00096"></a>00096 <span class="keywordflow">if</span> (errmsg) {
100 <a name="l00097"></a>00097 fprintf(stderr, <span class="stringliteral">"ERROR: could not dlclose() plugin \"%s\": %s\n"</span>,
101 <a name="l00098"></a>00098 errmsg, p-><a class="code" href="structparser.html#f29cac42dbdf498606fae3f5b9fc3762">so_path</a>);
102 <a name="l00099"></a>00099 r -= 1;
103 <a name="l00100"></a>00100 }
104 <a name="l00101"></a>00101 }
105 <a name="l00102"></a>00102
106 <a name="l00103"></a>00103 <span class="keywordflow">if</span> (p-><a class="code" href="structparser.html#f29cac42dbdf498606fae3f5b9fc3762">so_path</a>)
107 <a name="l00104"></a>00104 free(p-><a class="code" href="structparser.html#f29cac42dbdf498606fae3f5b9fc3762">so_path</a>);
108 <a name="l00105"></a>00105
109 <a name="l00106"></a>00106 <span class="keywordflow">return</span> r;
110 <a name="l00107"></a>00107 }
111 <a name="l00108"></a>00108
112 <a name="l00109"></a>00109
113 <a name="l00110"></a>00110 <span class="comment">/***********************************************************************</span>
114 <a name="l00111"></a>00111 <span class="comment"> * Public API.</span>
115 <a name="l00112"></a>00112 <span class="comment"> ***********************************************************************/</span>
116 <a name="l00120"></a>00120 <a class="code" href="structlms.html">lms_t</a> *
117 <a name="l00121"></a><a class="code" href="group__LMS__API.html#g982939bdd2aeb664b5cf7a50b67c1030">00121</a> <a class="code" href="group__LMS__API.html#g982939bdd2aeb664b5cf7a50b67c1030">lms_new</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *db_path)
118 <a name="l00122"></a>00122 {
119 <a name="l00123"></a>00123 <a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>;
120 <a name="l00124"></a>00124
121 <a name="l00125"></a>00125 lms = calloc(1, <span class="keyword">sizeof</span>(<a class="code" href="structlms.html">lms_t</a>));
122 <a name="l00126"></a>00126 <span class="keywordflow">if</span> (!lms) {
123 <a name="l00127"></a>00127 perror(<span class="stringliteral">"calloc"</span>);
124 <a name="l00128"></a>00128 <span class="keywordflow">return</span> NULL;
125 <a name="l00129"></a>00129 }
126 <a name="l00130"></a>00130
127 <a name="l00131"></a>00131 lms-><a class="code" href="structlms.html#eba2db305bafddedf143ff7b9f2396db">cs_conv</a> = <a class="code" href="group__LMS__CHARSET.html#g0120c222a55e6d7d9bb24300300561ab">lms_charset_conv_new</a>();
128 <a name="l00132"></a>00132 <span class="keywordflow">if</span> (!lms-><a class="code" href="structlms.html#eba2db305bafddedf143ff7b9f2396db">cs_conv</a>) {
129 <a name="l00133"></a>00133 free(lms);
130 <a name="l00134"></a>00134 <span class="keywordflow">return</span> NULL;
131 <a name="l00135"></a>00135 }
132 <a name="l00136"></a>00136
133 <a name="l00137"></a>00137 lms-><a class="code" href="structlms.html#1dc82aac2ab3ff643027878bb1aa3cb8">commit_interval</a> = <a class="code" href="lightmediascanner_8c.html#6d0480dc76aba4a2291d79ac2466fc59">DEFAULT_COMMIT_INTERVAL</a>;
134 <a name="l00138"></a>00138 lms-><a class="code" href="structlms.html#0f545adf2fc37994b7f55f7ea7aac555">slave_timeout</a> = <a class="code" href="lightmediascanner_8c.html#c2843894cca63ec0089c381e69d1d81a">DEFAULT_SLAVE_TIMEOUT</a>;
135 <a name="l00139"></a>00139 lms-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a> = strdup(db_path);
136 <a name="l00140"></a>00140 <span class="keywordflow">if</span> (!lms-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>) {
137 <a name="l00141"></a>00141 perror(<span class="stringliteral">"strdup"</span>);
138 <a name="l00142"></a>00142 <a class="code" href="group__LMS__CHARSET.html#g960ce31bca428212abdd60c12b878091">lms_charset_conv_free</a>(lms-><a class="code" href="structlms.html#eba2db305bafddedf143ff7b9f2396db">cs_conv</a>);
139 <a name="l00143"></a>00143 free(lms);
140 <a name="l00144"></a>00144 <span class="keywordflow">return</span> NULL;
141 <a name="l00145"></a>00145 }
142 <a name="l00146"></a>00146
143 <a name="l00147"></a>00147 <span class="keywordflow">return</span> lms;
144 <a name="l00148"></a>00148 }
145 <a name="l00149"></a>00149
146 <a name="l00158"></a>00158 <span class="keywordtype">int</span>
147 <a name="l00159"></a><a class="code" href="group__LMS__API.html#gf15f3b0f7de2113155a360df989b7687">00159</a> <a class="code" href="group__LMS__API.html#gf15f3b0f7de2113155a360df989b7687">lms_free</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>)
148 <a name="l00160"></a>00160 {
149 <a name="l00161"></a>00161 <span class="keywordtype">int</span> i;
150 <a name="l00162"></a>00162
151 <a name="l00163"></a>00163 <span class="keywordflow">if</span> (!lms)
152 <a name="l00164"></a>00164 <span class="keywordflow">return</span> 0;
153 <a name="l00165"></a>00165
154 <a name="l00166"></a>00166 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a>)
155 <a name="l00167"></a>00167 <span class="keywordflow">return</span> -1;
156 <a name="l00168"></a>00168
157 <a name="l00169"></a>00169 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>) {
158 <a name="l00170"></a>00170 <span class="keywordflow">for</span> (i = 0; i < lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a>; i++)
159 <a name="l00171"></a>00171 _parser_unload(lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a> + i);
160 <a name="l00172"></a>00172
161 <a name="l00173"></a>00173 free(lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>);
162 <a name="l00174"></a>00174 }
163 <a name="l00175"></a>00175
164 <a name="l00176"></a>00176 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#2416f15bfd15aaa5e75606b5a0686362">data</a> && lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#3f04a1830b8ffa69c9da089b7e6fb258">free_data</a>)
165 <a name="l00177"></a>00177 lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#3f04a1830b8ffa69c9da089b7e6fb258">free_data</a>(lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#2416f15bfd15aaa5e75606b5a0686362">data</a>);
166 <a name="l00178"></a>00178
167 <a name="l00179"></a>00179 free(lms-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>);
168 <a name="l00180"></a>00180 <a class="code" href="group__LMS__CHARSET.html#g960ce31bca428212abdd60c12b878091">lms_charset_conv_free</a>(lms-><a class="code" href="structlms.html#eba2db305bafddedf143ff7b9f2396db">cs_conv</a>);
169 <a name="l00181"></a>00181 free(lms);
170 <a name="l00182"></a>00182 <span class="keywordflow">return</span> 0;
171 <a name="l00183"></a>00183 }
172 <a name="l00184"></a>00184
173 <a name="l00194"></a>00194 <span class="keywordtype">void</span>
174 <a name="l00195"></a><a class="code" href="lightmediascanner_8h.html#d2da241599f7f576670d64184f972c43">00195</a> <a class="code" href="lightmediascanner_8c.html#668e706f6d5eae3ba5e36ff4db2ae514">lms_set_progress_callback</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <a class="code" href="lightmediascanner_8h.html#117b4bb24ec8fc48fc4e6f0d7fa9ea3a">lms_progress_callback_t</a> cb, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <a class="code" href="lightmediascanner_8h.html#55ee3894f334dc5b30431bf94971f110">lms_free_callback_t</a> free_data)
175 <a name="l00196"></a>00196 {
176 <a name="l00197"></a>00197 <span class="keywordflow">if</span> (!lms) {
177 <a name="l00198"></a>00198 <span class="keywordflow">if</span> (data && free_data)
178 <a name="l00199"></a>00199 free_data((<span class="keywordtype">void</span> *)data);
179 <a name="l00200"></a>00200 <span class="keywordflow">return</span>;
180 <a name="l00201"></a>00201 }
181 <a name="l00202"></a>00202
182 <a name="l00203"></a>00203 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#2416f15bfd15aaa5e75606b5a0686362">data</a> && lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#3f04a1830b8ffa69c9da089b7e6fb258">free_data</a>)
183 <a name="l00204"></a>00204 lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#3f04a1830b8ffa69c9da089b7e6fb258">free_data</a>(lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#2416f15bfd15aaa5e75606b5a0686362">data</a>);
184 <a name="l00205"></a>00205
185 <a name="l00206"></a>00206 lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#94615d22fba40d580a8a0055d28221c4">cb</a> = cb;
186 <a name="l00207"></a>00207 lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#2416f15bfd15aaa5e75606b5a0686362">data</a> = (<span class="keywordtype">void</span> *)data;
187 <a name="l00208"></a>00208 lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#3f04a1830b8ffa69c9da089b7e6fb258">free_data</a> = free_data;
188 <a name="l00209"></a>00209 }
189 <a name="l00210"></a>00210
190 <a name="l00220"></a>00220 <a class="code" href="structlms__plugin.html">lms_plugin_t</a> *
191 <a name="l00221"></a><a class="code" href="group__LMS__API.html#g7b93a24e73af8b5d46b2507dd70ac588">00221</a> <a class="code" href="group__LMS__API.html#g7b93a24e73af8b5d46b2507dd70ac588">lms_parser_add</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keyword">const</span> <span class="keywordtype">char</span> *so_path)
192 <a name="l00222"></a>00222 {
193 <a name="l00223"></a>00223 <span class="keyword">struct </span><a class="code" href="structparser.html">parser</a> *<a class="code" href="structparser.html">parser</a>;
194 <a name="l00224"></a>00224
195 <a name="l00225"></a>00225 <span class="keywordflow">if</span> (!lms)
196 <a name="l00226"></a>00226 <span class="keywordflow">return</span> NULL;
197 <a name="l00227"></a>00227
198 <a name="l00228"></a>00228 <span class="keywordflow">if</span> (!so_path)
199 <a name="l00229"></a>00229 <span class="keywordflow">return</span> NULL;
200 <a name="l00230"></a>00230
201 <a name="l00231"></a>00231 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a>) {
202 <a name="l00232"></a>00232 fprintf(stderr, <span class="stringliteral">"ERROR: do not add parsers while it's processing.\n"</span>);
203 <a name="l00233"></a>00233 <span class="keywordflow">return</span> NULL;
204 <a name="l00234"></a>00234 }
205 <a name="l00235"></a>00235
206 <a name="l00236"></a>00236 lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a> = realloc(lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>,
207 <a name="l00237"></a>00237 (lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> + 1) * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> parser));
208 <a name="l00238"></a>00238 <span class="keywordflow">if</span> (!lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>) {
209 <a name="l00239"></a>00239 perror(<span class="stringliteral">"realloc"</span>);
210 <a name="l00240"></a>00240 <span class="keywordflow">return</span> NULL;
211 <a name="l00241"></a>00241 }
212 <a name="l00242"></a>00242
213 <a name="l00243"></a>00243 parser = lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a> + lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a>;
214 <a name="l00244"></a>00244 <span class="keywordflow">if</span> (_parser_load(parser, so_path) != 0) {
215 <a name="l00245"></a>00245 _parser_unload(parser);
216 <a name="l00246"></a>00246 <span class="keywordflow">return</span> NULL;
217 <a name="l00247"></a>00247 }
218 <a name="l00248"></a>00248
219 <a name="l00249"></a>00249 lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a>++;
220 <a name="l00250"></a>00250 <span class="keywordflow">return</span> parser-><a class="code" href="structparser.html#6c71e3299d4bac660320e7ca935f9b32">plugin</a>;
221 <a name="l00251"></a>00251 }
222 <a name="l00252"></a>00252
223 <a name="l00253"></a>00253 <span class="keyword">static</span> <span class="keywordtype">int</span>
224 <a name="l00254"></a>00254 lms_parser_find(<span class="keywordtype">char</span> *buf, <span class="keywordtype">int</span> buf_size, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
225 <a name="l00255"></a>00255 {
226 <a name="l00256"></a>00256 <span class="keywordtype">int</span> r;
227 <a name="l00257"></a>00257
228 <a name="l00258"></a>00258 r = snprintf(buf, buf_size, <span class="stringliteral">"%s/%s.so"</span>, PLUGINSDIR, name);
229 <a name="l00259"></a>00259 <span class="keywordflow">if</span> (r >= buf_size)
230 <a name="l00260"></a>00260 <span class="keywordflow">return</span> 0;
231 <a name="l00261"></a>00261
232 <a name="l00262"></a>00262 <span class="keywordflow">return</span> 1;
233 <a name="l00263"></a>00263 }
234 <a name="l00264"></a>00264
235 <a name="l00265"></a>00265
236 <a name="l00278"></a>00278 <a class="code" href="structlms__plugin.html">lms_plugin_t</a> *
237 <a name="l00279"></a><a class="code" href="group__LMS__API.html#g74b81422ff46a46b4b0fc44e8709ecee">00279</a> <a class="code" href="group__LMS__API.html#g74b81422ff46a46b4b0fc44e8709ecee">lms_parser_find_and_add</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
238 <a name="l00280"></a>00280 {
239 <a name="l00281"></a>00281 <span class="keywordtype">char</span> <a class="code" href="structparser.html#f29cac42dbdf498606fae3f5b9fc3762">so_path</a>[PATH_MAX];
240 <a name="l00282"></a>00282
241 <a name="l00283"></a>00283 <span class="keywordflow">if</span> (!lms)
242 <a name="l00284"></a>00284 <span class="keywordflow">return</span> NULL;
243 <a name="l00285"></a>00285 <span class="keywordflow">if</span> (!name)
244 <a name="l00286"></a>00286 <span class="keywordflow">return</span> NULL;
245 <a name="l00287"></a>00287
246 <a name="l00288"></a>00288 <span class="keywordflow">if</span> (!lms_parser_find(so_path, <span class="keyword">sizeof</span>(so_path), name))
247 <a name="l00289"></a>00289 <span class="keywordflow">return</span> NULL;
248 <a name="l00290"></a>00290 <span class="keywordflow">return</span> <a class="code" href="group__LMS__API.html#g7b93a24e73af8b5d46b2507dd70ac588">lms_parser_add</a>(lms, so_path);
249 <a name="l00291"></a>00291 }
250 <a name="l00292"></a>00292
251 <a name="l00293"></a>00293 <span class="keywordtype">int</span>
252 <a name="l00294"></a><a class="code" href="lightmediascanner__private_8h.html#239fc535d2f20f09eeec9df86aa6ef9b">00294</a> <a class="code" href="lightmediascanner_8c.html#e6ccb942742cf65cc1cf866aceb4bddf">lms_parser_del_int</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keywordtype">int</span> i)
253 <a name="l00295"></a>00295 {
254 <a name="l00296"></a>00296 <span class="keyword">struct </span><a class="code" href="structparser.html">parser</a> *<a class="code" href="structparser.html">parser</a>;
255 <a name="l00297"></a>00297
256 <a name="l00298"></a>00298 parser = lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a> + i;
257 <a name="l00299"></a>00299 _parser_unload(parser);
258 <a name="l00300"></a>00300 lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a>--;
259 <a name="l00301"></a>00301
260 <a name="l00302"></a>00302 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> == 0) {
261 <a name="l00303"></a>00303 free(lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>);
262 <a name="l00304"></a>00304 lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a> = NULL;
263 <a name="l00305"></a>00305 <span class="keywordflow">return</span> 0;
264 <a name="l00306"></a>00306 } <span class="keywordflow">else</span> {
265 <a name="l00307"></a>00307 <span class="keywordtype">int</span> dif;
266 <a name="l00308"></a>00308
267 <a name="l00309"></a>00309 dif = lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> - i;
268 <a name="l00310"></a>00310 <span class="keywordflow">if</span> (dif)
269 <a name="l00311"></a>00311 lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a> = memmove(parser, parser + 1,
270 <a name="l00312"></a>00312 dif * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> parser));
271 <a name="l00313"></a>00313
272 <a name="l00314"></a>00314 lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a> = realloc(lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>,
273 <a name="l00315"></a>00315 lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> parser));
274 <a name="l00316"></a>00316 <span class="keywordflow">if</span> (!lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>) {
275 <a name="l00317"></a>00317 lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> = 0;
276 <a name="l00318"></a>00318 <span class="keywordflow">return</span> -1;
277 <a name="l00319"></a>00319 }
278 <a name="l00320"></a>00320
279 <a name="l00321"></a>00321 <span class="keywordflow">return</span> 0;
280 <a name="l00322"></a>00322 }
281 <a name="l00323"></a>00323 }
282 <a name="l00324"></a>00324
283 <a name="l00333"></a>00333 <span class="keywordtype">int</span>
284 <a name="l00334"></a><a class="code" href="group__LMS__API.html#g1da5e5f834e0289ea49a0fbc2280feda">00334</a> <a class="code" href="group__LMS__API.html#g1da5e5f834e0289ea49a0fbc2280feda">lms_parser_del</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <a class="code" href="structlms__plugin.html">lms_plugin_t</a> *handle)
285 <a name="l00335"></a>00335 {
286 <a name="l00336"></a>00336 <span class="keywordtype">int</span> i;
287 <a name="l00337"></a>00337
288 <a name="l00338"></a>00338 <span class="keywordflow">if</span> (!lms)
289 <a name="l00339"></a>00339 <span class="keywordflow">return</span> -1;
290 <a name="l00340"></a>00340 <span class="keywordflow">if</span> (!handle)
291 <a name="l00341"></a>00341 <span class="keywordflow">return</span> -2;
292 <a name="l00342"></a>00342 <span class="keywordflow">if</span> (!lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>)
293 <a name="l00343"></a>00343 <span class="keywordflow">return</span> -3;
294 <a name="l00344"></a>00344 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a>) {
295 <a name="l00345"></a>00345 fprintf(stderr, <span class="stringliteral">"ERROR: do not del parsers while it's processing.\n"</span>);
296 <a name="l00346"></a>00346 <span class="keywordflow">return</span> -4;
297 <a name="l00347"></a>00347 }
298 <a name="l00348"></a>00348
299 <a name="l00349"></a>00349 <span class="keywordflow">for</span> (i = 0; i < lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a>; i++)
300 <a name="l00350"></a>00350 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>[i].<a class="code" href="structparser.html#6c71e3299d4bac660320e7ca935f9b32">plugin</a> == handle)
301 <a name="l00351"></a>00351 <span class="keywordflow">return</span> <a class="code" href="lightmediascanner_8c.html#e6ccb942742cf65cc1cf866aceb4bddf">lms_parser_del_int</a>(lms, i);
302 <a name="l00352"></a>00352
303 <a name="l00353"></a>00353 <span class="keywordflow">return</span> -3;
304 <a name="l00354"></a>00354 }
305 <a name="l00355"></a>00355
306 <a name="l00365"></a>00365 <span class="keywordtype">int</span>
307 <a name="l00366"></a><a class="code" href="group__LMS__API.html#g8c594bed751d504965b5cc0c7e93fb71">00366</a> <a class="code" href="group__LMS__API.html#g8c594bed751d504965b5cc0c7e93fb71">lms_is_processing</a>(<span class="keyword">const</span> <a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>)
308 <a name="l00367"></a>00367 {
309 <a name="l00368"></a>00368 <span class="keywordflow">if</span> (!lms) {
310 <a name="l00369"></a>00369 fprintf(stderr, <span class="stringliteral">"ERROR: lms_is_processing(NULL)\n"</span>);
311 <a name="l00370"></a>00370 <span class="keywordflow">return</span> -1;
312 <a name="l00371"></a>00371 }
313 <a name="l00372"></a>00372
314 <a name="l00373"></a>00373 <span class="keywordflow">return</span> lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a>;
315 <a name="l00374"></a>00374 }
316 <a name="l00375"></a>00375
317 <a name="l00384"></a>00384 <span class="keyword">const</span> <span class="keywordtype">char</span> *
318 <a name="l00385"></a><a class="code" href="group__LMS__API.html#g4098d31de667a895095fc8d4d9bc10c0">00385</a> <a class="code" href="group__LMS__API.html#g4098d31de667a895095fc8d4d9bc10c0">lms_get_db_path</a>(<span class="keyword">const</span> <a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>)
319 <a name="l00386"></a>00386 {
320 <a name="l00387"></a>00387 <span class="keywordflow">if</span> (!lms) {
321 <a name="l00388"></a>00388 fprintf(stderr, <span class="stringliteral">"ERROR: lms_get_db_path(NULL)\n"</span>);
322 <a name="l00389"></a>00389 <span class="keywordflow">return</span> NULL;
323 <a name="l00390"></a>00390 }
324 <a name="l00391"></a>00391
325 <a name="l00392"></a>00392 <span class="keywordflow">return</span> lms-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>;
326 <a name="l00393"></a>00393 }
327 <a name="l00394"></a>00394
328 <a name="l00406"></a>00406 <span class="keywordtype">int</span>
329 <a name="l00407"></a><a class="code" href="group__LMS__API.html#g973c6c7b66f4fdd6f4f776a36e742d33">00407</a> <a class="code" href="group__LMS__API.html#g973c6c7b66f4fdd6f4f776a36e742d33">lms_get_slave_timeout</a>(<span class="keyword">const</span> <a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>)
330 <a name="l00408"></a>00408 {
331 <a name="l00409"></a>00409 <span class="keywordflow">if</span> (!lms) {
332 <a name="l00410"></a>00410 fprintf(stderr, <span class="stringliteral">"ERROR: lms_get_slave_timeout(NULL)\n"</span>);
333 <a name="l00411"></a>00411 <span class="keywordflow">return</span> -1;
334 <a name="l00412"></a>00412 }
335 <a name="l00413"></a>00413
336 <a name="l00414"></a>00414 <span class="keywordflow">return</span> lms-><a class="code" href="structlms.html#0f545adf2fc37994b7f55f7ea7aac555">slave_timeout</a>;
337 <a name="l00415"></a>00415 }
338 <a name="l00416"></a>00416
339 <a name="l00427"></a><a class="code" href="group__LMS__API.html#g68ac6273965bdeb25795dd4c50777b4e">00427</a> <span class="keywordtype">void</span> <a class="code" href="group__LMS__API.html#g68ac6273965bdeb25795dd4c50777b4e">lms_set_slave_timeout</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keywordtype">int</span> ms)
340 <a name="l00428"></a>00428 {
341 <a name="l00429"></a>00429 <span class="keywordflow">if</span> (!lms) {
342 <a name="l00430"></a>00430 fprintf(stderr, <span class="stringliteral">"ERROR: lms_set_slave_timeout(NULL, %d)\n"</span>, ms);
343 <a name="l00431"></a>00431 <span class="keywordflow">return</span>;
344 <a name="l00432"></a>00432 }
345 <a name="l00433"></a>00433
346 <a name="l00434"></a>00434 lms-><a class="code" href="structlms.html#0f545adf2fc37994b7f55f7ea7aac555">slave_timeout</a> = ms;
347 <a name="l00435"></a>00435 }
348 <a name="l00436"></a>00436
349 <a name="l00448"></a>00448 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
350 <a name="l00449"></a><a class="code" href="group__LMS__API.html#g227ebe8cad9776908c1977c43ef62d9c">00449</a> <a class="code" href="group__LMS__API.html#g227ebe8cad9776908c1977c43ef62d9c">lms_get_commit_interval</a>(<span class="keyword">const</span> <a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>)
351 <a name="l00450"></a>00450 {
352 <a name="l00451"></a>00451 <span class="keywordflow">if</span> (!lms) {
353 <a name="l00452"></a>00452 fprintf(stderr, <span class="stringliteral">"ERROR: lms_get_commit_interval(NULL)\n"</span>);
354 <a name="l00453"></a>00453 <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)-1;
355 <a name="l00454"></a>00454 }
356 <a name="l00455"></a>00455
357 <a name="l00456"></a>00456 <span class="keywordflow">return</span> lms-><a class="code" href="structlms.html#1dc82aac2ab3ff643027878bb1aa3cb8">commit_interval</a>;
358 <a name="l00457"></a>00457 }
359 <a name="l00458"></a>00458
360 <a name="l00471"></a>00471 <span class="keywordtype">void</span>
361 <a name="l00472"></a><a class="code" href="group__LMS__API.html#ge81a028f08139e64e97ac191bd899b32">00472</a> <a class="code" href="group__LMS__API.html#ge81a028f08139e64e97ac191bd899b32">lms_set_commit_interval</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> transactions)
362 <a name="l00473"></a>00473 {
363 <a name="l00474"></a>00474 <span class="keywordflow">if</span> (!lms) {
364 <a name="l00475"></a>00475 fprintf(stderr, <span class="stringliteral">"ERROR: lms_set_commit_interval(NULL, %u)\n"</span>,
365 <a name="l00476"></a>00476 transactions);
366 <a name="l00477"></a>00477 <span class="keywordflow">return</span>;
367 <a name="l00478"></a>00478 }
368 <a name="l00479"></a>00479
369 <a name="l00480"></a>00480 lms-><a class="code" href="structlms.html#1dc82aac2ab3ff643027878bb1aa3cb8">commit_interval</a> = transactions;
370 <a name="l00481"></a>00481 }
371 <a name="l00482"></a>00482
372 <a name="l00495"></a>00495 <span class="keywordtype">int</span>
373 <a name="l00496"></a><a class="code" href="group__LMS__API.html#g4fd56e209d415b27466274726cc7d59f">00496</a> <a class="code" href="group__LMS__API.html#g4fd56e209d415b27466274726cc7d59f">lms_charset_add</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keyword">const</span> <span class="keywordtype">char</span> *charset)
374 <a name="l00497"></a>00497 {
375 <a name="l00498"></a>00498 <span class="keywordflow">if</span> (!lms) {
376 <a name="l00499"></a>00499 fprintf(stderr, <span class="stringliteral">"ERROR: lms_charset_add(NULL)\n"</span>);
377 <a name="l00500"></a>00500 <span class="keywordflow">return</span> -1;
378 <a name="l00501"></a>00501 }
379 <a name="l00502"></a>00502
380 <a name="l00503"></a>00503 <span class="keywordflow">return</span> <a class="code" href="lightmediascanner__charset__conv_8c.html#0a3006beae6fc8c59eca75468c1bc000">lms_charset_conv_add</a>(lms-><a class="code" href="structlms.html#eba2db305bafddedf143ff7b9f2396db">cs_conv</a>, charset);
381 <a name="l00504"></a>00504 }
382 <a name="l00505"></a>00505
383 <a name="l00518"></a>00518 <span class="keywordtype">int</span>
384 <a name="l00519"></a><a class="code" href="group__LMS__API.html#g0b427b8b60957e29a0e504c10c5356b0">00519</a> <a class="code" href="group__LMS__API.html#g0b427b8b60957e29a0e504c10c5356b0">lms_charset_del</a>(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keyword">const</span> <span class="keywordtype">char</span> *charset)
385 <a name="l00520"></a>00520 {
386 <a name="l00521"></a>00521 <span class="keywordflow">if</span> (!lms) {
387 <a name="l00522"></a>00522 fprintf(stderr, <span class="stringliteral">"ERROR: lms_charset_del(NULL)\n"</span>);
388 <a name="l00523"></a>00523 <span class="keywordflow">return</span> -1;
389 <a name="l00524"></a>00524 }
390 <a name="l00525"></a>00525
391 <a name="l00526"></a>00526 <span class="keywordflow">return</span> <a class="code" href="lightmediascanner__charset__conv_8c.html#ad60dd3a2c2ebcf9ee1100986fc572e4">lms_charset_conv_del</a>(lms-><a class="code" href="structlms.html#eba2db305bafddedf143ff7b9f2396db">cs_conv</a>, charset);
392 <a name="l00527"></a>00527 }
393 <a name="l00528"></a>00528
394 <a name="l00539"></a>00539 <span class="keywordtype">void</span>
395 <a name="l00540"></a><a class="code" href="lightmediascanner_8h.html#ebe19263efa873f4629a18e77924bfaf">00540</a> <a class="code" href="lightmediascanner_8c.html#7e27ccbd0abfd5d112586a00fd424db9">lms_parsers_list</a>(<span class="keywordtype">int</span> (*cb)(<span class="keywordtype">void</span> *data, <span class="keyword">const</span> <span class="keywordtype">char</span> *path), <span class="keyword">const</span> <span class="keywordtype">void</span> *data)
396 <a name="l00541"></a>00541 {
397 <a name="l00542"></a>00542 <span class="keywordtype">void</span> *datap = (<span class="keywordtype">void</span> *)data;
398 <a name="l00543"></a>00543 <span class="keywordtype">char</span> path[PATH_MAX] = PLUGINSDIR;
399 <a name="l00544"></a>00544 <span class="keywordtype">int</span> base;
400 <a name="l00545"></a>00545 DIR *d;
401 <a name="l00546"></a>00546 <span class="keyword">struct </span>dirent *de;
402 <a name="l00547"></a>00547
403 <a name="l00548"></a>00548 <span class="keywordflow">if</span> (!cb)
404 <a name="l00549"></a>00549 <span class="keywordflow">return</span>;
405 <a name="l00550"></a>00550
406 <a name="l00551"></a>00551 base = <span class="keyword">sizeof</span>(PLUGINSDIR) - 1;
407 <a name="l00552"></a>00552 <span class="keywordflow">if</span> (base + <span class="keyword">sizeof</span>(<span class="stringliteral">"/.so"</span>) >= PATH_MAX) {
408 <a name="l00553"></a>00553 fprintf(stderr, <span class="stringliteral">"ERROR: path is too long '%s'\n"</span>, path);
409 <a name="l00554"></a>00554 <span class="keywordflow">return</span>;
410 <a name="l00555"></a>00555 }
411 <a name="l00556"></a>00556
412 <a name="l00557"></a>00557 d = opendir(path);
413 <a name="l00558"></a>00558 <span class="keywordflow">if</span> (!d) {
414 <a name="l00559"></a>00559 fprintf(stderr, <span class="stringliteral">"ERROR: could not open directory %s: %s\n"</span>,
415 <a name="l00560"></a>00560 path, strerror(errno));
416 <a name="l00561"></a>00561 <span class="keywordflow">return</span>;
417 <a name="l00562"></a>00562 }
418 <a name="l00563"></a>00563
419 <a name="l00564"></a>00564 path[base] = <span class="charliteral">'/'</span>;
420 <a name="l00565"></a>00565 base++;
421 <a name="l00566"></a>00566
422 <a name="l00567"></a>00567 <span class="keywordflow">while</span> ((de = readdir(d)) != NULL) {
423 <a name="l00568"></a>00568 <span class="keywordtype">int</span> len;
424 <a name="l00569"></a>00569
425 <a name="l00570"></a>00570 <span class="keywordflow">if</span> (de->d_name[0] == <span class="charliteral">'.'</span>)
426 <a name="l00571"></a>00571 <span class="keywordflow">continue</span>;
427 <a name="l00572"></a>00572
428 <a name="l00573"></a>00573 len = strlen(de->d_name);
429 <a name="l00574"></a>00574 <span class="keywordflow">if</span> (len < 3 || memcmp(de->d_name + len - 3, <span class="stringliteral">".so"</span>, 3) != 0)
430 <a name="l00575"></a>00575 <span class="keywordflow">continue</span>;
431 <a name="l00576"></a>00576
432 <a name="l00577"></a>00577 memcpy(path + base, de->d_name, len + 1); <span class="comment">/* copy \0 */</span>
433 <a name="l00578"></a>00578 <span class="keywordflow">if</span> (!cb(datap, path))
434 <a name="l00579"></a>00579 <span class="keywordflow">break</span>;
435 <a name="l00580"></a>00580 }
436 <a name="l00581"></a>00581 closedir(d);
437 <a name="l00582"></a>00582 }
438 <a name="l00583"></a>00583
439 <a name="l00584"></a>00584 <span class="keyword">struct </span>lms_parsers_list_by_category_data {
440 <a name="l00585"></a>00585 <span class="keyword">const</span> <span class="keywordtype">char</span> *category;
441 <a name="l00586"></a>00586 int (*cb)(<span class="keywordtype">void</span> *data, <span class="keyword">const</span> <span class="keywordtype">char</span> *path, <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structlms__parser__info.html">lms_parser_info</a> *info);
442 <a name="l00587"></a>00587 <span class="keywordtype">void</span> *data;
443 <a name="l00588"></a>00588 };
444 <a name="l00589"></a>00589
445 <a name="l00590"></a>00590 <span class="keyword">static</span> <span class="keywordtype">int</span>
446 <a name="l00591"></a>00591 _lms_parsers_list_by_category(<span class="keywordtype">void</span> *data, <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="structlms__parser__info.html#5ab9ec0ea57b30e14d5f6f671aac6590">path</a>)
447 <a name="l00592"></a>00592 {
448 <a name="l00593"></a>00593 <span class="keyword">struct </span>lms_parsers_list_by_category_data *d = data;
449 <a name="l00594"></a>00594 <span class="keyword">struct </span><a class="code" href="structlms__parser__info.html">lms_parser_info</a> *info;
450 <a name="l00595"></a>00595 <span class="keywordtype">int</span> r;
451 <a name="l00596"></a>00596
452 <a name="l00597"></a>00597 info = <a class="code" href="lightmediascanner_8c.html#0b95c1ed1a71c241bb887ee672f740d8">lms_parser_info</a>(path);
453 <a name="l00598"></a>00598 <span class="keywordflow">if</span> (!info)
454 <a name="l00599"></a>00599 <span class="keywordflow">return</span> 1;
455 <a name="l00600"></a>00600
456 <a name="l00601"></a>00601 r = 1;
457 <a name="l00602"></a>00602 <span class="keywordflow">if</span> (info-><a class="code" href="structlms__parser__info.html#7ec98aa66587df4215d9d2e1be1efc04">categories</a>) {
458 <a name="l00603"></a>00603 <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> *itr;
459 <a name="l00604"></a>00604 <span class="keywordflow">for</span> (itr = info-><a class="code" href="structlms__parser__info.html#7ec98aa66587df4215d9d2e1be1efc04">categories</a>; *itr != NULL; itr++)
460 <a name="l00605"></a>00605 <span class="keywordflow">if</span> (strcmp(d->category, *itr) == 0) {
461 <a name="l00606"></a>00606 r = d->cb(d->data, path, info);
462 <a name="l00607"></a>00607 <span class="keywordflow">break</span>;
463 <a name="l00608"></a>00608 }
464 <a name="l00609"></a>00609 }
465 <a name="l00610"></a>00610
466 <a name="l00611"></a>00611 <a class="code" href="lightmediascanner_8c.html#508ef3c49f7f4729b9e5a5711b66bda1">lms_parser_info_free</a>(info);
467 <a name="l00612"></a>00612
468 <a name="l00613"></a>00613 <span class="keywordflow">return</span> r;
469 <a name="l00614"></a>00614 }
470 <a name="l00615"></a>00615
471 <a name="l00628"></a>00628 <span class="keywordtype">void</span>
472 <a name="l00629"></a><a class="code" href="lightmediascanner_8h.html#f6dfb5e9ed76e132ee7f45e7fe26415e">00629</a> <a class="code" href="lightmediascanner_8c.html#24f4c44982b286dc3ca451ca1acb6123">lms_parsers_list_by_category</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *category, <span class="keywordtype">int</span> (*cb)(<span class="keywordtype">void</span> *data, <span class="keyword">const</span> <span class="keywordtype">char</span> *path, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structlms__parser__info.html">lms_parser_info</a> *info), <span class="keyword">const</span> <span class="keywordtype">void</span> *data)
473 <a name="l00630"></a>00630 {
474 <a name="l00631"></a>00631 <span class="keyword">struct </span>lms_parsers_list_by_category_data d;
475 <a name="l00632"></a>00632
476 <a name="l00633"></a>00633 <span class="keywordflow">if</span> (!category || !cb)
477 <a name="l00634"></a>00634 <span class="keywordflow">return</span>;
478 <a name="l00635"></a>00635
479 <a name="l00636"></a>00636 d.category = category;
480 <a name="l00637"></a>00637 d.cb = cb;
481 <a name="l00638"></a>00638 d.data = (<span class="keywordtype">void</span> *)data;
482 <a name="l00639"></a>00639
483 <a name="l00640"></a>00640 <a class="code" href="lightmediascanner_8c.html#7e27ccbd0abfd5d112586a00fd424db9">lms_parsers_list</a>(_lms_parsers_list_by_category, &d);
484 <a name="l00641"></a>00641 }
485 <a name="l00642"></a>00642
486 <a name="l00643"></a>00643 <span class="keyword">static</span> <span class="keywordtype">int</span>
487 <a name="l00644"></a>00644 _lms_string_array_count(<span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> *array, <span class="keywordtype">int</span> *size)
488 <a name="l00645"></a>00645 {
489 <a name="l00646"></a>00646 <span class="keywordtype">int</span> count, align_overflow;
490 <a name="l00647"></a>00647
491 <a name="l00648"></a>00648 *size = 0;
492 <a name="l00649"></a>00649 <span class="keywordflow">if</span> (!array)
493 <a name="l00650"></a>00650 <span class="keywordflow">return</span> 0;
494 <a name="l00651"></a>00651
495 <a name="l00652"></a>00652 count = 0;
496 <a name="l00653"></a>00653 <span class="keywordflow">for</span> (; *array != NULL; array++) {
497 <a name="l00654"></a>00654 *size += <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *) + strlen(*array) + 1;
498 <a name="l00655"></a>00655 count++;
499 <a name="l00656"></a>00656 }
500 <a name="l00657"></a>00657 <span class="keywordflow">if</span> (count) {
501 <a name="l00658"></a>00658 <span class="comment">/* count NULL terminator */</span>
502 <a name="l00659"></a>00659 count++;
503 <a name="l00660"></a>00660 *size += <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *);
504 <a name="l00661"></a>00661 }
505 <a name="l00662"></a>00662
506 <a name="l00663"></a>00663 align_overflow = *size % <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *);
507 <a name="l00664"></a>00664 <span class="keywordflow">if</span> (align_overflow)
508 <a name="l00665"></a>00665 *size += <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *) - align_overflow;
509 <a name="l00666"></a>00666
510 <a name="l00667"></a>00667 <span class="keywordflow">return</span> count;
511 <a name="l00668"></a>00668 }
512 <a name="l00669"></a>00669
513 <a name="l00670"></a>00670 <span class="keyword">static</span> <span class="keywordtype">void</span>
514 <a name="l00671"></a>00671 _lms_string_array_copy(<span class="keywordtype">char</span> **dst, <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> *src, <span class="keywordtype">int</span> count)
515 <a name="l00672"></a>00672 {
516 <a name="l00673"></a>00673 <span class="keywordtype">char</span> *d;
517 <a name="l00674"></a>00674
518 <a name="l00675"></a>00675 d = (<span class="keywordtype">char</span> *)(dst + count);
519 <a name="l00676"></a>00676
520 <a name="l00677"></a>00677 <span class="keywordflow">for</span> (; count > 1; count--, dst++, src++) {
521 <a name="l00678"></a>00678 <span class="keywordtype">int</span> len;
522 <a name="l00679"></a>00679
523 <a name="l00680"></a>00680 len = strlen(*src) + 1;
524 <a name="l00681"></a>00681 *dst = d;
525 <a name="l00682"></a>00682 memcpy(*dst, *src, len);
526 <a name="l00683"></a>00683 d += len;
527 <a name="l00684"></a>00684 }
528 <a name="l00685"></a>00685
529 <a name="l00686"></a>00686 *dst = NULL;
530 <a name="l00687"></a>00687 }
531 <a name="l00688"></a>00688
532 <a name="l00698"></a>00698 <span class="keyword">struct </span><a class="code" href="structlms__parser__info.html">lms_parser_info</a> *
533 <a name="l00699"></a><a class="code" href="lightmediascanner_8h.html#bda4586257139ef13260e3fe3bfd1b77">00699</a> <a class="code" href="lightmediascanner_8c.html#0b95c1ed1a71c241bb887ee672f740d8">lms_parser_info</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *so_path)
534 <a name="l00700"></a>00700 {
535 <a name="l00701"></a>00701 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structlms__plugin__info.html">lms_plugin_info</a> *(*plugin_info)(void);
536 <a name="l00702"></a>00702 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structlms__plugin__info.html">lms_plugin_info</a> *<a class="code" href="structpinfo.html">pinfo</a>;
537 <a name="l00703"></a>00703 <span class="keyword">struct </span><a class="code" href="structlms__parser__info.html">lms_parser_info</a> *ret;
538 <a name="l00704"></a>00704 <span class="keyword">const</span> <span class="keywordtype">char</span> *errmsg;
539 <a name="l00705"></a>00705 <span class="keywordtype">void</span> *dl_handle;
540 <a name="l00706"></a>00706 <span class="keywordtype">int</span> len, path_len, name_len, desc_len, ver_len, uri_len;
541 <a name="l00707"></a>00707 <span class="keywordtype">int</span> cats_count, cats_size, authors_count, authors_size;
542 <a name="l00708"></a>00708
543 <a name="l00709"></a>00709 <span class="keywordflow">if</span> (!so_path)
544 <a name="l00710"></a>00710 <span class="keywordflow">return</span> NULL;
545 <a name="l00711"></a>00711
546 <a name="l00712"></a>00712 dl_handle = dlopen(so_path, RTLD_NOW | RTLD_LOCAL);
547 <a name="l00713"></a>00713 errmsg = dlerror();
548 <a name="l00714"></a>00714 <span class="keywordflow">if</span> (errmsg) {
549 <a name="l00715"></a>00715 fprintf(stderr, <span class="stringliteral">"ERROR: could not dlopen() %s\n"</span>, errmsg);
550 <a name="l00716"></a>00716 <span class="keywordflow">return</span> NULL;
551 <a name="l00717"></a>00717 }
552 <a name="l00718"></a>00718
553 <a name="l00719"></a>00719 ret = NULL;
554 <a name="l00720"></a>00720 plugin_info = dlsym(dl_handle, <span class="stringliteral">"lms_plugin_info"</span>);
555 <a name="l00721"></a>00721 errmsg = dlerror();
556 <a name="l00722"></a>00722 <span class="keywordflow">if</span> (errmsg) {
557 <a name="l00723"></a>00723 fprintf(stderr, <span class="stringliteral">"ERROR: could not find plugin info function %s\n"</span>,
558 <a name="l00724"></a>00724 errmsg);
559 <a name="l00725"></a>00725 <span class="keywordflow">goto</span> close_and_exit;
560 <a name="l00726"></a>00726 }
561 <a name="l00727"></a>00727
562 <a name="l00728"></a>00728 <span class="keywordflow">if</span> (!plugin_info) {
563 <a name="l00729"></a>00729 fprintf(stderr, <span class="stringliteral">"ERROR: lms_plugin_info is NULL\n"</span>);
564 <a name="l00730"></a>00730 <span class="keywordflow">goto</span> close_and_exit;
565 <a name="l00731"></a>00731 }
566 <a name="l00732"></a>00732
567 <a name="l00733"></a>00733 pinfo = plugin_info();
568 <a name="l00734"></a>00734 <span class="keywordflow">if</span> (!pinfo) {
569 <a name="l00735"></a>00735 fprintf(stderr, <span class="stringliteral">"ERROR: lms_plugin_info() returned NULL\n"</span>);
570 <a name="l00736"></a>00736 <span class="keywordflow">goto</span> close_and_exit;
571 <a name="l00737"></a>00737 }
572 <a name="l00738"></a>00738
573 <a name="l00739"></a>00739 path_len = strlen(so_path) + 1;
574 <a name="l00740"></a>00740 name_len = pinfo-><a class="code" href="structlms__plugin__info.html#fad60ec7f8d34b2082b353a03e2cb836">name</a> ? strlen(pinfo-><a class="code" href="structlms__plugin__info.html#fad60ec7f8d34b2082b353a03e2cb836">name</a>) + 1 : 0;
575 <a name="l00741"></a>00741 desc_len = pinfo-><a class="code" href="structlms__plugin__info.html#2e1df9478dd1f9dc62e81e208a2ebd3e">description</a> ? strlen(pinfo-><a class="code" href="structlms__plugin__info.html#2e1df9478dd1f9dc62e81e208a2ebd3e">description</a>) + 1 : 0;
576 <a name="l00742"></a>00742 ver_len = pinfo-><a class="code" href="structlms__plugin__info.html#032d3fd2490ad7907e1ea27abad59915">version</a> ? strlen(pinfo-><a class="code" href="structlms__plugin__info.html#032d3fd2490ad7907e1ea27abad59915">version</a>) + 1 : 0;
577 <a name="l00743"></a>00743 uri_len = pinfo-><a class="code" href="structlms__plugin__info.html#8f5826185c7cb3a4155fca8683b817e2">uri</a> ? strlen(pinfo-><a class="code" href="structlms__plugin__info.html#8f5826185c7cb3a4155fca8683b817e2">uri</a>) + 1 : 0;
578 <a name="l00744"></a>00744
579 <a name="l00745"></a>00745 cats_count = _lms_string_array_count(pinfo-><a class="code" href="structlms__plugin__info.html#d5fd907e4bcc553eb9474aa132435c9c">categories</a>, &cats_size);
580 <a name="l00746"></a>00746 authors_count = _lms_string_array_count(pinfo-><a class="code" href="structlms__plugin__info.html#5dd799fc0e3dd7e798f053ecf773e59a">authors</a>, &authors_size);
581 <a name="l00747"></a>00747
582 <a name="l00748"></a>00748 len = path_len + name_len + desc_len + ver_len + uri_len + cats_size +
583 <a name="l00749"></a>00749 authors_size;
584 <a name="l00750"></a>00750 ret = malloc(<span class="keyword">sizeof</span>(*ret) + len);
585 <a name="l00751"></a>00751 <span class="keywordflow">if</span> (!ret) {
586 <a name="l00752"></a>00752 fprintf(stderr, <span class="stringliteral">"ERROR: could not alloc %d bytes: %s"</span>,
587 <a name="l00753"></a>00753 <span class="keyword">sizeof</span>(*ret) + len, strerror(errno));
588 <a name="l00754"></a>00754 <span class="keywordflow">goto</span> close_and_exit;
589 <a name="l00755"></a>00755 }
590 <a name="l00756"></a>00756
591 <a name="l00757"></a>00757 len = 0;
592 <a name="l00758"></a>00758
593 <a name="l00759"></a>00759 <span class="keywordflow">if</span> (cats_count) {
594 <a name="l00760"></a>00760 ret-><a class="code" href="structlms__parser__info.html#7ec98aa66587df4215d9d2e1be1efc04">categories</a> = (<span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> *)
595 <a name="l00761"></a>00761 ((<span class="keywordtype">char</span> *)ret + <span class="keyword">sizeof</span>(*ret) + len);
596 <a name="l00762"></a>00762 _lms_string_array_copy(
597 <a name="l00763"></a>00763 (<span class="keywordtype">char</span> **)ret-><a class="code" href="structlms__parser__info.html#7ec98aa66587df4215d9d2e1be1efc04">categories</a>, pinfo-><a class="code" href="structlms__plugin__info.html#d5fd907e4bcc553eb9474aa132435c9c">categories</a>, cats_count);
598 <a name="l00764"></a>00764 len += cats_size;
599 <a name="l00765"></a>00765 } <span class="keywordflow">else</span>
600 <a name="l00766"></a>00766 ret-><a class="code" href="structlms__parser__info.html#7ec98aa66587df4215d9d2e1be1efc04">categories</a> = NULL;
601 <a name="l00767"></a>00767
602 <a name="l00768"></a>00768 <span class="keywordflow">if</span> (authors_count) {
603 <a name="l00769"></a>00769 ret-><a class="code" href="structlms__parser__info.html#c22d79b37c4c2d513eaeb3b618f524bf">authors</a> = (<span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> *)
604 <a name="l00770"></a>00770 ((<span class="keywordtype">char</span> *)ret + <span class="keyword">sizeof</span>(*ret) + len);
605 <a name="l00771"></a>00771 _lms_string_array_copy(
606 <a name="l00772"></a>00772 (<span class="keywordtype">char</span> **)ret-><a class="code" href="structlms__parser__info.html#c22d79b37c4c2d513eaeb3b618f524bf">authors</a>, pinfo-><a class="code" href="structlms__plugin__info.html#5dd799fc0e3dd7e798f053ecf773e59a">authors</a>, authors_count);
607 <a name="l00773"></a>00773 len += authors_size;
608 <a name="l00774"></a>00774 } <span class="keywordflow">else</span>
609 <a name="l00775"></a>00775 ret-><a class="code" href="structlms__parser__info.html#c22d79b37c4c2d513eaeb3b618f524bf">authors</a> = NULL;
610 <a name="l00776"></a>00776
611 <a name="l00777"></a>00777 ret-><a class="code" href="structlms__parser__info.html#5ab9ec0ea57b30e14d5f6f671aac6590">path</a> = (<span class="keywordtype">char</span> *)ret + <span class="keyword">sizeof</span>(*ret) + len;
612 <a name="l00778"></a>00778 memcpy((<span class="keywordtype">char</span> *)ret-><a class="code" href="structlms__parser__info.html#5ab9ec0ea57b30e14d5f6f671aac6590">path</a>, so_path, path_len);
613 <a name="l00779"></a>00779 len += path_len;
614 <a name="l00780"></a>00780
615 <a name="l00781"></a>00781 <span class="keywordflow">if</span> (pinfo-><a class="code" href="structlms__plugin__info.html#fad60ec7f8d34b2082b353a03e2cb836">name</a>) {
616 <a name="l00782"></a>00782 ret-><a class="code" href="structlms__parser__info.html#8c1195dd47805f8061b3c69691d60029">name</a> = (<span class="keywordtype">char</span> *)ret + <span class="keyword">sizeof</span>(*ret) + len;
617 <a name="l00783"></a>00783 memcpy((<span class="keywordtype">char</span> *)ret-><a class="code" href="structlms__parser__info.html#8c1195dd47805f8061b3c69691d60029">name</a>, pinfo-><a class="code" href="structlms__plugin__info.html#fad60ec7f8d34b2082b353a03e2cb836">name</a>, name_len);
618 <a name="l00784"></a>00784 len += name_len;
619 <a name="l00785"></a>00785 } <span class="keywordflow">else</span>
620 <a name="l00786"></a>00786 ret-><a class="code" href="structlms__parser__info.html#8c1195dd47805f8061b3c69691d60029">name</a> = NULL;
621 <a name="l00787"></a>00787
622 <a name="l00788"></a>00788 <span class="keywordflow">if</span> (pinfo-><a class="code" href="structlms__plugin__info.html#2e1df9478dd1f9dc62e81e208a2ebd3e">description</a>) {
623 <a name="l00789"></a>00789 ret-><a class="code" href="structlms__parser__info.html#46ca7f8f9d14332d96c34eec8425f92a">description</a> = (<span class="keywordtype">char</span> *)ret + <span class="keyword">sizeof</span>(*ret) + len;
624 <a name="l00790"></a>00790 memcpy((<span class="keywordtype">char</span> *)ret-><a class="code" href="structlms__parser__info.html#46ca7f8f9d14332d96c34eec8425f92a">description</a>, pinfo-><a class="code" href="structlms__plugin__info.html#2e1df9478dd1f9dc62e81e208a2ebd3e">description</a>, desc_len);
625 <a name="l00791"></a>00791 len += desc_len;
626 <a name="l00792"></a>00792 } <span class="keywordflow">else</span>
627 <a name="l00793"></a>00793 ret-><a class="code" href="structlms__parser__info.html#46ca7f8f9d14332d96c34eec8425f92a">description</a> = NULL;
628 <a name="l00794"></a>00794
629 <a name="l00795"></a>00795 <span class="keywordflow">if</span> (pinfo-><a class="code" href="structlms__plugin__info.html#032d3fd2490ad7907e1ea27abad59915">version</a>) {
630 <a name="l00796"></a>00796 ret-><a class="code" href="structlms__parser__info.html#49c7d15bae321ad3c899823f4348cf59">version</a> = (<span class="keywordtype">char</span> *)ret + <span class="keyword">sizeof</span>(*ret) + len;
631 <a name="l00797"></a>00797 memcpy((<span class="keywordtype">char</span> *)ret-><a class="code" href="structlms__parser__info.html#49c7d15bae321ad3c899823f4348cf59">version</a>, pinfo-><a class="code" href="structlms__plugin__info.html#032d3fd2490ad7907e1ea27abad59915">version</a>, ver_len);
632 <a name="l00798"></a>00798 len += ver_len;
633 <a name="l00799"></a>00799 } <span class="keywordflow">else</span>
634 <a name="l00800"></a>00800 ret-><a class="code" href="structlms__parser__info.html#49c7d15bae321ad3c899823f4348cf59">version</a> = NULL;
635 <a name="l00801"></a>00801
636 <a name="l00802"></a>00802 <span class="keywordflow">if</span> (pinfo-><a class="code" href="structlms__plugin__info.html#8f5826185c7cb3a4155fca8683b817e2">uri</a>) {
637 <a name="l00803"></a>00803 ret-><a class="code" href="structlms__parser__info.html#3f567c146a83ca281ae431e060ab55a9">uri</a> = (<span class="keywordtype">char</span> *)ret + <span class="keyword">sizeof</span>(*ret) + len;
638 <a name="l00804"></a>00804 memcpy((<span class="keywordtype">char</span> *)ret-><a class="code" href="structlms__parser__info.html#3f567c146a83ca281ae431e060ab55a9">uri</a>, pinfo-><a class="code" href="structlms__plugin__info.html#8f5826185c7cb3a4155fca8683b817e2">uri</a>, uri_len);
639 <a name="l00805"></a>00805 len += uri_len;
640 <a name="l00806"></a>00806 } <span class="keywordflow">else</span>
641 <a name="l00807"></a>00807 ret-><a class="code" href="structlms__parser__info.html#3f567c146a83ca281ae431e060ab55a9">uri</a> = NULL;
642 <a name="l00808"></a>00808
643 <a name="l00809"></a>00809 close_and_exit:
644 <a name="l00810"></a>00810 dlclose(dl_handle);
645 <a name="l00811"></a>00811 <span class="keywordflow">return</span> ret;
646 <a name="l00812"></a>00812 }
647 <a name="l00813"></a>00813
648 <a name="l00823"></a>00823 <span class="keyword">struct </span><a class="code" href="structlms__parser__info.html">lms_parser_info</a> *
649 <a name="l00824"></a><a class="code" href="lightmediascanner_8h.html#85b153a95dafb48c419dc1419e323567">00824</a> <a class="code" href="lightmediascanner_8c.html#66457cf4ec2ef4a50bd899f99e914650">lms_parser_info_find</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)
650 <a name="l00825"></a>00825 {
651 <a name="l00826"></a>00826 <span class="keywordtype">char</span> so_path[PATH_MAX];
652 <a name="l00827"></a>00827
653 <a name="l00828"></a>00828 <span class="keywordflow">if</span> (!name)
654 <a name="l00829"></a>00829 <span class="keywordflow">return</span> NULL;
655 <a name="l00830"></a>00830
656 <a name="l00831"></a>00831 <span class="keywordflow">if</span> (!lms_parser_find(so_path, <span class="keyword">sizeof</span>(so_path), name))
657 <a name="l00832"></a>00832 <span class="keywordflow">return</span> NULL;
658 <a name="l00833"></a>00833
659 <a name="l00834"></a>00834 <span class="keywordflow">return</span> <a class="code" href="lightmediascanner_8c.html#0b95c1ed1a71c241bb887ee672f740d8">lms_parser_info</a>(so_path);
660 <a name="l00835"></a>00835 }
661 <a name="l00836"></a>00836
662 <a name="l00842"></a>00842 <span class="keywordtype">void</span>
663 <a name="l00843"></a><a class="code" href="lightmediascanner_8h.html#f071ee2184c0d4d69c85cccd09e08b26">00843</a> <a class="code" href="lightmediascanner_8c.html#508ef3c49f7f4729b9e5a5711b66bda1">lms_parser_info_free</a>(<span class="keyword">struct</span> <a class="code" href="structlms__parser__info.html">lms_parser_info</a> *info)
664 <a name="l00844"></a>00844 {
665 <a name="l00845"></a>00845 free(info);
666 <a name="l00846"></a>00846 }
668 <hr size="1"><address style="text-align: right;"><small>Generated on Wed Apr 22 23:56:01 2009 for Light Media Scanner by
669 <a href="http://www.doxygen.org/index.html">
670 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
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