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3 <title>Light Media Scanner: src/lib/lightmediascanner_check.c Source File</title>
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23 <h1>src/lib/lightmediascanner_check.c</h1><a href="lightmediascanner__check_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><a class="code" href="lightmediascanner__check_8c.html#369266c24eacffb87046522897a570d5">00025</a> <span class="preprocessor">#define _GNU_SOURCE</span>
29 <a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#include <sys/wait.h></span>
30 <a name="l00027"></a>00027 <span class="preprocessor">#include <sys/stat.h></span>
31 <a name="l00028"></a>00028 <span class="preprocessor">#include <unistd.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 <signal.h></span>
34 <a name="l00031"></a>00031 <span class="preprocessor">#include <time.h></span>
35 <a name="l00032"></a>00032
36 <a name="l00033"></a>00033 <span class="preprocessor">#include <stdio.h></span>
37 <a name="l00034"></a>00034 <span class="preprocessor">#include <stdlib.h></span>
38 <a name="l00035"></a>00035 <span class="preprocessor">#include <string.h></span>
39 <a name="l00036"></a>00036
40 <a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="lightmediascanner_8h.html">lightmediascanner.h</a>"</span>
41 <a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="lightmediascanner__private_8h.html">lightmediascanner_private.h</a>"</span>
42 <a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="lightmediascanner__db__private_8h.html">lightmediascanner_db_private.h</a>"</span>
43 <a name="l00040"></a>00040
44 <a name="l00041"></a>00041 <span class="keyword">struct </span>master_db {
45 <a name="l00042"></a>00042 sqlite3 *handle;
46 <a name="l00043"></a>00043 sqlite3_stmt *get_files;
47 <a name="l00044"></a>00044 };
48 <a name="l00045"></a>00045
49 <a name="l00046"></a>00046 <span class="keyword">struct </span>slave_db {
50 <a name="l00047"></a>00047 sqlite3 *handle;
51 <a name="l00048"></a>00048 sqlite3_stmt *transaction_begin;
52 <a name="l00049"></a>00049 sqlite3_stmt *transaction_commit;
53 <a name="l00050"></a>00050 sqlite3_stmt *delete_file_info;
54 <a name="l00051"></a>00051 sqlite3_stmt *update_file_info;
55 <a name="l00052"></a>00052 };
56 <a name="l00053"></a>00053
57 <a name="l00054"></a>00054 <span class="keyword">struct </span>single_process_db {
58 <a name="l00055"></a>00055 sqlite3 *handle;
59 <a name="l00056"></a>00056 sqlite3_stmt *get_files;
60 <a name="l00057"></a>00057 sqlite3_stmt *transaction_begin;
61 <a name="l00058"></a>00058 sqlite3_stmt *transaction_commit;
62 <a name="l00059"></a>00059 sqlite3_stmt *delete_file_info;
63 <a name="l00060"></a>00060 sqlite3_stmt *update_file_info;
64 <a name="l00061"></a>00061 };
65 <a name="l00062"></a>00062
66 <a name="l00063"></a>00063 <span class="comment">/***********************************************************************</span>
67 <a name="l00064"></a>00064 <span class="comment"> * Master-Slave communication.</span>
68 <a name="l00065"></a>00065 <span class="comment"> ***********************************************************************/</span>
69 <a name="l00066"></a>00066
70 <a name="l00067"></a>00067 <span class="keyword">struct </span>comm_finfo {
71 <a name="l00068"></a>00068 <span class="keywordtype">int</span> path_len;
72 <a name="l00069"></a>00069 <span class="keywordtype">int</span> base;
73 <a name="l00070"></a>00070 int64_t id;
74 <a name="l00071"></a>00071 time_t mtime;
75 <a name="l00072"></a>00072 time_t dtime;
76 <a name="l00073"></a>00073 <span class="keywordtype">size_t</span> size;
77 <a name="l00074"></a>00074 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags;
78 <a name="l00075"></a><a class="code" href="lightmediascanner__check_8c.html#f8084f435d209d810eb33deaa35fab5e">00075</a> <span class="preprocessor">#define COMM_FINFO_FLAG_OUTDATED 1</span>
79 <a name="l00076"></a>00076 <span class="preprocessor"></span>};
80 <a name="l00077"></a>00077
81 <a name="l00078"></a>00078 <span class="keyword">static</span> <span class="keywordtype">int</span>
82 <a name="l00079"></a>00079 _master_send_file(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *master, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> finfo, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
83 <a name="l00080"></a>00080 {
84 <a name="l00081"></a>00081 <span class="keyword">struct </span>comm_finfo ci;
85 <a name="l00082"></a>00082
86 <a name="l00083"></a>00083 ci.path_len = finfo.<a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a>;
87 <a name="l00084"></a>00084 ci.base = finfo.<a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a>;
88 <a name="l00085"></a>00085 ci.id = finfo.<a class="code" href="structlms__file__info.html#d68ded5c64ae28a4976637f8483e9cfe">id</a>;
89 <a name="l00086"></a>00086 ci.mtime = finfo.<a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a>;
90 <a name="l00087"></a>00087 ci.dtime = finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a>;
91 <a name="l00088"></a>00088 ci.size = finfo.<a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a>;
92 <a name="l00089"></a>00089 ci.flags = flags;
93 <a name="l00090"></a>00090
94 <a name="l00091"></a>00091 <span class="keywordflow">if</span> (write(master-><a class="code" href="structfds.html#d13e19697072e306771103286a8316d0">w</a>, &ci, <span class="keyword">sizeof</span>(ci)) < 0) {
95 <a name="l00092"></a>00092 perror(<span class="stringliteral">"write"</span>);
96 <a name="l00093"></a>00093 <span class="keywordflow">return</span> -1;
97 <a name="l00094"></a>00094 }
98 <a name="l00095"></a>00095
99 <a name="l00096"></a>00096 <span class="keywordflow">if</span> (write(master-><a class="code" href="structfds.html#d13e19697072e306771103286a8316d0">w</a>, finfo.<a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>, finfo.<a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a>) < 0) {
100 <a name="l00097"></a>00097 perror(<span class="stringliteral">"write"</span>);
101 <a name="l00098"></a>00098 <span class="keywordflow">return</span> -1;
102 <a name="l00099"></a>00099 }
103 <a name="l00100"></a>00100
104 <a name="l00101"></a>00101 <span class="keywordflow">return</span> 0;
105 <a name="l00102"></a>00102 }
106 <a name="l00103"></a>00103
107 <a name="l00104"></a>00104 <span class="keyword">static</span> <span class="keywordtype">int</span>
108 <a name="l00105"></a>00105 _master_send_finish(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *master)
109 <a name="l00106"></a>00106 {
110 <a name="l00107"></a>00107 <span class="keyword">struct </span>comm_finfo ci = {-1, -1, -1, -1, -1, -1, 0};
111 <a name="l00108"></a>00108
112 <a name="l00109"></a>00109 <span class="keywordflow">if</span> (write(master-><a class="code" href="structfds.html#d13e19697072e306771103286a8316d0">w</a>, &ci, <span class="keyword">sizeof</span>(ci)) < 0) {
113 <a name="l00110"></a>00110 perror(<span class="stringliteral">"write"</span>);
114 <a name="l00111"></a>00111 <span class="keywordflow">return</span> -1;
115 <a name="l00112"></a>00112 }
116 <a name="l00113"></a>00113
117 <a name="l00114"></a>00114 <span class="keywordflow">return</span> 0;
118 <a name="l00115"></a>00115 }
119 <a name="l00116"></a>00116
120 <a name="l00117"></a>00117 <span class="keyword">static</span> <span class="keywordtype">int</span>
121 <a name="l00118"></a>00118 _master_recv_reply(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *master, <span class="keyword">struct</span> pollfd *pfd, <span class="keywordtype">int</span> *reply, <span class="keywordtype">int</span> timeout)
122 <a name="l00119"></a>00119 {
123 <a name="l00120"></a>00120 <span class="keywordtype">int</span> r;
124 <a name="l00121"></a>00121
125 <a name="l00122"></a>00122 r = poll(pfd, 1, timeout);
126 <a name="l00123"></a>00123 <span class="keywordflow">if</span> (r < 0) {
127 <a name="l00124"></a>00124 perror(<span class="stringliteral">"poll"</span>);
128 <a name="l00125"></a>00125 <span class="keywordflow">return</span> -1;
129 <a name="l00126"></a>00126 }
130 <a name="l00127"></a>00127
131 <a name="l00128"></a>00128 <span class="keywordflow">if</span> (r == 0)
132 <a name="l00129"></a>00129 <span class="keywordflow">return</span> 1;
133 <a name="l00130"></a>00130
134 <a name="l00131"></a>00131 <span class="keywordflow">if</span> (read(master-><a class="code" href="structfds.html#c49bfa8d58564d4c483eb434b9ff5710">r</a>, reply, <span class="keyword">sizeof</span>(*reply)) != <span class="keyword">sizeof</span>(*reply)) {
135 <a name="l00132"></a>00132 perror(<span class="stringliteral">"read"</span>);
136 <a name="l00133"></a>00133 <span class="keywordflow">return</span> -2;
137 <a name="l00134"></a>00134 }
138 <a name="l00135"></a>00135
139 <a name="l00136"></a>00136 <span class="keywordflow">return</span> 0;
140 <a name="l00137"></a>00137 }
141 <a name="l00138"></a>00138
142 <a name="l00139"></a>00139 <span class="keyword">static</span> <span class="keywordtype">int</span>
143 <a name="l00140"></a>00140 _slave_send_reply(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *slave, <span class="keywordtype">int</span> reply)
144 <a name="l00141"></a>00141 {
145 <a name="l00142"></a>00142 <span class="keywordflow">if</span> (write(slave-><a class="code" href="structfds.html#d13e19697072e306771103286a8316d0">w</a>, &reply, <span class="keyword">sizeof</span>(reply)) == 0) {
146 <a name="l00143"></a>00143 perror(<span class="stringliteral">"write"</span>);
147 <a name="l00144"></a>00144 <span class="keywordflow">return</span> -1;
148 <a name="l00145"></a>00145 }
149 <a name="l00146"></a>00146 <span class="keywordflow">return</span> 0;
150 <a name="l00147"></a>00147 }
151 <a name="l00148"></a>00148
152 <a name="l00149"></a>00149 <span class="keyword">static</span> <span class="keywordtype">int</span>
153 <a name="l00150"></a>00150 _slave_recv_file(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *slave, <span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> *finfo, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *flags)
154 <a name="l00151"></a>00151 {
155 <a name="l00152"></a>00152 <span class="keyword">struct </span>comm_finfo ci;
156 <a name="l00153"></a>00153 <span class="keyword">static</span> <span class="keywordtype">char</span> path[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a> + 1];
157 <a name="l00154"></a>00154 <span class="keywordtype">int</span> r;
158 <a name="l00155"></a>00155
159 <a name="l00156"></a>00156 r = read(slave-><a class="code" href="structfds.html#c49bfa8d58564d4c483eb434b9ff5710">r</a>, &ci, <span class="keyword">sizeof</span>(ci));
160 <a name="l00157"></a>00157 <span class="keywordflow">if</span> (r != <span class="keyword">sizeof</span>(ci)) {
161 <a name="l00158"></a>00158 perror(<span class="stringliteral">"read"</span>);
162 <a name="l00159"></a>00159 <span class="keywordflow">return</span> -1;
163 <a name="l00160"></a>00160 }
164 <a name="l00161"></a>00161
165 <a name="l00162"></a>00162 finfo-><a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> = ci.path_len;
166 <a name="l00163"></a>00163 finfo-><a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a> = ci.base;
167 <a name="l00164"></a>00164 finfo-><a class="code" href="structlms__file__info.html#d68ded5c64ae28a4976637f8483e9cfe">id</a> = ci.id;
168 <a name="l00165"></a>00165 finfo-><a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a> = ci.mtime;
169 <a name="l00166"></a>00166 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = ci.dtime;
170 <a name="l00167"></a>00167 finfo-><a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a> = ci.size;
171 <a name="l00168"></a>00168 finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a> = NULL;
172 <a name="l00169"></a>00169 *flags = ci.flags;
173 <a name="l00170"></a>00170
174 <a name="l00171"></a>00171 <span class="keywordflow">if</span> (ci.path_len == -1)
175 <a name="l00172"></a>00172 <span class="keywordflow">return</span> 0;
176 <a name="l00173"></a>00173
177 <a name="l00174"></a>00174 <span class="keywordflow">if</span> (ci.path_len > <a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a>) {
178 <a name="l00175"></a>00175 fprintf(stderr, <span class="stringliteral">"ERROR: path too long (%d/%d)\n"</span>,
179 <a name="l00176"></a>00176 ci.path_len, <a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a>);
180 <a name="l00177"></a>00177 <span class="keywordflow">return</span> -2;
181 <a name="l00178"></a>00178 }
182 <a name="l00179"></a>00179
183 <a name="l00180"></a>00180 r = read(slave-><a class="code" href="structfds.html#c49bfa8d58564d4c483eb434b9ff5710">r</a>, path, ci.path_len);
184 <a name="l00181"></a>00181 <span class="keywordflow">if</span> (r != ci.path_len) {
185 <a name="l00182"></a>00182 fprintf(stderr, <span class="stringliteral">"ERROR: could not read whole path %d/%d\n"</span>,
186 <a name="l00183"></a>00183 r, ci.path_len);
187 <a name="l00184"></a>00184 <span class="keywordflow">return</span> -3;
188 <a name="l00185"></a>00185 }
189 <a name="l00186"></a>00186
190 <a name="l00187"></a>00187 path[ci.path_len] = 0;
191 <a name="l00188"></a>00188 finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a> = path;
192 <a name="l00189"></a>00189 <span class="keywordflow">return</span> 0;
193 <a name="l00190"></a>00190 }
194 <a name="l00191"></a>00191
195 <a name="l00192"></a>00192
196 <a name="l00193"></a>00193 <span class="comment">/***********************************************************************</span>
197 <a name="l00194"></a>00194 <span class="comment"> * Slave-side.</span>
198 <a name="l00195"></a>00195 <span class="comment"> ***********************************************************************/</span>
199 <a name="l00196"></a>00196
200 <a name="l00197"></a>00197 <span class="keyword">static</span> <span class="keywordtype">int</span>
201 <a name="l00198"></a>00198 _slave_db_compile_all_stmts(<span class="keyword">struct</span> slave_db *db)
202 <a name="l00199"></a>00199 {
203 <a name="l00200"></a>00200 sqlite3 *handle;
204 <a name="l00201"></a>00201
205 <a name="l00202"></a>00202 handle = db->handle;
206 <a name="l00203"></a>00203
207 <a name="l00204"></a>00204 db->transaction_begin = <a class="code" href="lightmediascanner__db__common_8c.html#1787fdaf148358c7a518e91dfd871ca1">lms_db_compile_stmt_begin_transaction</a>(handle);
208 <a name="l00205"></a>00205 <span class="keywordflow">if</span> (!db->transaction_begin)
209 <a name="l00206"></a>00206 <span class="keywordflow">return</span> -1;
210 <a name="l00207"></a>00207
211 <a name="l00208"></a>00208 db->transaction_commit = <a class="code" href="lightmediascanner__db__common_8c.html#bff1aa6077215f3d70d4d5b1a9b7a498">lms_db_compile_stmt_end_transaction</a>(handle);
212 <a name="l00209"></a>00209 <span class="keywordflow">if</span> (!db->transaction_commit)
213 <a name="l00210"></a>00210 <span class="keywordflow">return</span> -2;
214 <a name="l00211"></a>00211
215 <a name="l00212"></a>00212 db->delete_file_info = <a class="code" href="lightmediascanner__db__common_8c.html#559925f8e4d5bf61d1bcf44844a95699">lms_db_compile_stmt_delete_file_info</a>(handle);
216 <a name="l00213"></a>00213 <span class="keywordflow">if</span> (!db->delete_file_info)
217 <a name="l00214"></a>00214 <span class="keywordflow">return</span> -3;
218 <a name="l00215"></a>00215
219 <a name="l00216"></a>00216 db->update_file_info = <a class="code" href="lightmediascanner__db__common_8c.html#1e6e76cfa9d6faa3c3b8035004eff1a0">lms_db_compile_stmt_update_file_info</a>(handle);
220 <a name="l00217"></a>00217 <span class="keywordflow">if</span> (!db->update_file_info)
221 <a name="l00218"></a>00218 <span class="keywordflow">return</span> -4;
222 <a name="l00219"></a>00219
223 <a name="l00220"></a>00220 <span class="keywordflow">return</span> 0;
224 <a name="l00221"></a>00221 }
225 <a name="l00222"></a>00222
226 <a name="l00223"></a>00223 <span class="keyword">static</span> <span class="keyword">struct </span>slave_db *
227 <a name="l00224"></a>00224 _slave_db_open(<span class="keyword">const</span> <span class="keywordtype">char</span> *db_path)
228 <a name="l00225"></a>00225 {
229 <a name="l00226"></a>00226 <span class="keyword">struct </span>slave_db *db;
230 <a name="l00227"></a>00227
231 <a name="l00228"></a>00228 db = calloc(1, <span class="keyword">sizeof</span>(*db));
232 <a name="l00229"></a>00229 <span class="keywordflow">if</span> (!db) {
233 <a name="l00230"></a>00230 perror(<span class="stringliteral">"calloc"</span>);
234 <a name="l00231"></a>00231 <span class="keywordflow">return</span> NULL;
235 <a name="l00232"></a>00232 }
236 <a name="l00233"></a>00233
237 <a name="l00234"></a>00234 <span class="keywordflow">if</span> (sqlite3_open(db_path, &db->handle) != SQLITE_OK) {
238 <a name="l00235"></a>00235 fprintf(stderr, <span class="stringliteral">"ERROR: could not open DB \"%s\": %s\n"</span>,
239 <a name="l00236"></a>00236 db_path, sqlite3_errmsg(db->handle));
240 <a name="l00237"></a>00237 <span class="keywordflow">goto</span> error;
241 <a name="l00238"></a>00238 }
242 <a name="l00239"></a>00239
243 <a name="l00240"></a>00240 <span class="keywordflow">return</span> db;
244 <a name="l00241"></a>00241
245 <a name="l00242"></a>00242 error:
246 <a name="l00243"></a>00243 sqlite3_close(db->handle);
247 <a name="l00244"></a>00244 free(db);
248 <a name="l00245"></a>00245 <span class="keywordflow">return</span> NULL;
249 <a name="l00246"></a>00246 }
250 <a name="l00247"></a>00247
251 <a name="l00248"></a>00248 <span class="keyword">static</span> <span class="keywordtype">int</span>
252 <a name="l00249"></a>00249 _slave_db_close(<span class="keyword">struct</span> slave_db *db)
253 <a name="l00250"></a>00250 {
254 <a name="l00251"></a>00251 <span class="keywordflow">if</span> (db->transaction_begin)
255 <a name="l00252"></a>00252 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->transaction_begin, <span class="stringliteral">"transaction_begin"</span>);
256 <a name="l00253"></a>00253
257 <a name="l00254"></a>00254 <span class="keywordflow">if</span> (db->transaction_commit)
258 <a name="l00255"></a>00255 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->transaction_commit, <span class="stringliteral">"transaction_commit"</span>);
259 <a name="l00256"></a>00256
260 <a name="l00257"></a>00257 <span class="keywordflow">if</span> (db->delete_file_info)
261 <a name="l00258"></a>00258 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->delete_file_info, <span class="stringliteral">"delete_file_info"</span>);
262 <a name="l00259"></a>00259
263 <a name="l00260"></a>00260 <span class="keywordflow">if</span> (db->update_file_info)
264 <a name="l00261"></a>00261 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->update_file_info, <span class="stringliteral">"update_file_info"</span>);
265 <a name="l00262"></a>00262
266 <a name="l00263"></a>00263 <span class="keywordflow">if</span> (sqlite3_close(db->handle) != SQLITE_OK) {
267 <a name="l00264"></a>00264 fprintf(stderr, <span class="stringliteral">"ERROR: clould not close DB (slave): %s\n"</span>,
268 <a name="l00265"></a>00265 sqlite3_errmsg(db->handle));
269 <a name="l00266"></a>00266 <span class="keywordflow">return</span> -1;
270 <a name="l00267"></a>00267 }
271 <a name="l00268"></a>00268 free(db);
272 <a name="l00269"></a>00269
273 <a name="l00270"></a>00270 <span class="keywordflow">return</span> 0;
274 <a name="l00271"></a>00271 }
275 <a name="l00272"></a>00272
276 <a name="l00273"></a>00273 <span class="keyword">static</span> <span class="keywordtype">int</span>
277 <a name="l00274"></a>00274 _single_process_db_compile_all_stmts(<span class="keyword">struct</span> single_process_db *db)
278 <a name="l00275"></a>00275 {
279 <a name="l00276"></a>00276 sqlite3 *handle;
280 <a name="l00277"></a>00277
281 <a name="l00278"></a>00278 handle = db->handle;
282 <a name="l00279"></a>00279
283 <a name="l00280"></a>00280 db->get_files = <a class="code" href="lightmediascanner__db__common_8c.html#73ae2cfd7babf80294cf31f02906223b">lms_db_compile_stmt_get_files</a>(handle);
284 <a name="l00281"></a>00281 <span class="keywordflow">if</span> (!db->get_files)
285 <a name="l00282"></a>00282 <span class="keywordflow">return</span> -1;
286 <a name="l00283"></a>00283
287 <a name="l00284"></a>00284 db->transaction_begin = <a class="code" href="lightmediascanner__db__common_8c.html#1787fdaf148358c7a518e91dfd871ca1">lms_db_compile_stmt_begin_transaction</a>(handle);
288 <a name="l00285"></a>00285 <span class="keywordflow">if</span> (!db->transaction_begin)
289 <a name="l00286"></a>00286 <span class="keywordflow">return</span> -2;
290 <a name="l00287"></a>00287
291 <a name="l00288"></a>00288 db->transaction_commit = <a class="code" href="lightmediascanner__db__common_8c.html#bff1aa6077215f3d70d4d5b1a9b7a498">lms_db_compile_stmt_end_transaction</a>(handle);
292 <a name="l00289"></a>00289 <span class="keywordflow">if</span> (!db->transaction_commit)
293 <a name="l00290"></a>00290 <span class="keywordflow">return</span> -3;
294 <a name="l00291"></a>00291
295 <a name="l00292"></a>00292 db->delete_file_info = <a class="code" href="lightmediascanner__db__common_8c.html#559925f8e4d5bf61d1bcf44844a95699">lms_db_compile_stmt_delete_file_info</a>(handle);
296 <a name="l00293"></a>00293 <span class="keywordflow">if</span> (!db->delete_file_info)
297 <a name="l00294"></a>00294 <span class="keywordflow">return</span> -4;
298 <a name="l00295"></a>00295
299 <a name="l00296"></a>00296 db->update_file_info = <a class="code" href="lightmediascanner__db__common_8c.html#1e6e76cfa9d6faa3c3b8035004eff1a0">lms_db_compile_stmt_update_file_info</a>(handle);
300 <a name="l00297"></a>00297 <span class="keywordflow">if</span> (!db->update_file_info)
301 <a name="l00298"></a>00298 <span class="keywordflow">return</span> -5;
302 <a name="l00299"></a>00299
303 <a name="l00300"></a>00300 <span class="keywordflow">return</span> 0;
304 <a name="l00301"></a>00301 }
305 <a name="l00302"></a>00302
306 <a name="l00303"></a>00303 <span class="keyword">static</span> <span class="keyword">struct </span>single_process_db *
307 <a name="l00304"></a>00304 _single_process_db_open(<span class="keyword">const</span> <span class="keywordtype">char</span> *db_path)
308 <a name="l00305"></a>00305 {
309 <a name="l00306"></a>00306 <span class="keyword">struct </span>single_process_db *db;
310 <a name="l00307"></a>00307
311 <a name="l00308"></a>00308 db = calloc(1, <span class="keyword">sizeof</span>(*db));
312 <a name="l00309"></a>00309 <span class="keywordflow">if</span> (!db) {
313 <a name="l00310"></a>00310 perror(<span class="stringliteral">"calloc"</span>);
314 <a name="l00311"></a>00311 <span class="keywordflow">return</span> NULL;
315 <a name="l00312"></a>00312 }
316 <a name="l00313"></a>00313
317 <a name="l00314"></a>00314 <span class="keywordflow">if</span> (sqlite3_open(db_path, &db->handle) != SQLITE_OK) {
318 <a name="l00315"></a>00315 fprintf(stderr, <span class="stringliteral">"ERROR: could not open DB \"%s\": %s\n"</span>,
319 <a name="l00316"></a>00316 db_path, sqlite3_errmsg(db->handle));
320 <a name="l00317"></a>00317 <span class="keywordflow">goto</span> error;
321 <a name="l00318"></a>00318 }
322 <a name="l00319"></a>00319
323 <a name="l00320"></a>00320 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__db__common_8c.html#3798a46baaedc4d466879865456acc94">lms_db_create_core_tables_if_required</a>(db->handle) != 0) {
324 <a name="l00321"></a>00321 fprintf(stderr, <span class="stringliteral">"ERROR: could not setup tables and indexes.\n"</span>);
325 <a name="l00322"></a>00322 <span class="keywordflow">goto</span> error;
326 <a name="l00323"></a>00323 }
327 <a name="l00324"></a>00324
328 <a name="l00325"></a>00325 <span class="keywordflow">if</span> (_single_process_db_compile_all_stmts(db) != 0) {
329 <a name="l00326"></a>00326 fprintf(stderr, <span class="stringliteral">"ERROR: could not compile statements.\n"</span>);
330 <a name="l00327"></a>00327 <span class="keywordflow">goto</span> error;
331 <a name="l00328"></a>00328 }
332 <a name="l00329"></a>00329
333 <a name="l00330"></a>00330 <span class="keywordflow">return</span> db;
334 <a name="l00331"></a>00331
335 <a name="l00332"></a>00332 error:
336 <a name="l00333"></a>00333 sqlite3_close(db->handle);
337 <a name="l00334"></a>00334 free(db);
338 <a name="l00335"></a>00335 <span class="keywordflow">return</span> NULL;
339 <a name="l00336"></a>00336 }
340 <a name="l00337"></a>00337
341 <a name="l00338"></a>00338 <span class="keyword">static</span> <span class="keywordtype">int</span>
342 <a name="l00339"></a>00339 _single_process_db_close(<span class="keyword">struct</span> single_process_db *db)
343 <a name="l00340"></a>00340 {
344 <a name="l00341"></a>00341 <span class="keywordflow">if</span> (db->get_files)
345 <a name="l00342"></a>00342 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->get_files, <span class="stringliteral">"get_files"</span>);
346 <a name="l00343"></a>00343
347 <a name="l00344"></a>00344 <span class="keywordflow">if</span> (db->transaction_begin)
348 <a name="l00345"></a>00345 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->transaction_begin, <span class="stringliteral">"transaction_begin"</span>);
349 <a name="l00346"></a>00346
350 <a name="l00347"></a>00347 <span class="keywordflow">if</span> (db->transaction_commit)
351 <a name="l00348"></a>00348 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->transaction_commit, <span class="stringliteral">"transaction_commit"</span>);
352 <a name="l00349"></a>00349
353 <a name="l00350"></a>00350 <span class="keywordflow">if</span> (db->delete_file_info)
354 <a name="l00351"></a>00351 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->delete_file_info, <span class="stringliteral">"delete_file_info"</span>);
355 <a name="l00352"></a>00352
356 <a name="l00353"></a>00353 <span class="keywordflow">if</span> (db->update_file_info)
357 <a name="l00354"></a>00354 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->update_file_info, <span class="stringliteral">"update_file_info"</span>);
358 <a name="l00355"></a>00355
359 <a name="l00356"></a>00356 <span class="keywordflow">if</span> (sqlite3_close(db->handle) != SQLITE_OK) {
360 <a name="l00357"></a>00357 fprintf(stderr, <span class="stringliteral">"ERROR: clould not close DB (slave): %s\n"</span>,
361 <a name="l00358"></a>00358 sqlite3_errmsg(db->handle));
362 <a name="l00359"></a>00359 <span class="keywordflow">return</span> -1;
363 <a name="l00360"></a>00360 }
364 <a name="l00361"></a>00361 free(db);
365 <a name="l00362"></a>00362
366 <a name="l00363"></a>00363 <span class="keywordflow">return</span> 0;
367 <a name="l00364"></a>00364 }
368 <a name="l00365"></a>00365
369 <a name="l00366"></a>00366 <span class="keyword">static</span> <span class="keywordtype">int</span>
370 <a name="l00367"></a>00367 _init_sync_send(<span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *<a class="code" href="structfds.html">fds</a>)
371 <a name="l00368"></a>00368 {
372 <a name="l00369"></a>00369 <span class="keywordflow">return</span> _slave_send_reply(fds, 0);
373 <a name="l00370"></a>00370 }
374 <a name="l00371"></a>00371
375 <a name="l00372"></a>00372 <span class="keyword">static</span> <span class="keywordtype">int</span>
376 <a name="l00373"></a>00373 _slave_work_int(<a class="code" href="structlms.html">lms_t</a> *<a class="code" href="structlms.html">lms</a>, <span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *<a class="code" href="structfds.html">fds</a>, <span class="keyword">struct</span> slave_db *db)
377 <a name="l00374"></a>00374 {
378 <a name="l00375"></a>00375 <span class="keyword">struct </span><a class="code" href="structlms__file__info.html">lms_file_info</a> finfo;
379 <a name="l00376"></a>00376 <span class="keywordtype">void</span> **parser_match;
380 <a name="l00377"></a>00377 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counter, flags;
381 <a name="l00378"></a>00378 <span class="keywordtype">int</span> r;
382 <a name="l00379"></a>00379
383 <a name="l00380"></a>00380 parser_match = malloc(lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> * <span class="keyword">sizeof</span>(*parser_match));
384 <a name="l00381"></a>00381 <span class="keywordflow">if</span> (!parser_match) {
385 <a name="l00382"></a>00382 perror(<span class="stringliteral">"malloc"</span>);
386 <a name="l00383"></a>00383 <span class="keywordflow">return</span> -6;
387 <a name="l00384"></a>00384 }
388 <a name="l00385"></a>00385
389 <a name="l00386"></a>00386 _init_sync_send(fds);
390 <a name="l00387"></a>00387
391 <a name="l00388"></a>00388 counter = 0;
392 <a name="l00389"></a>00389 <a class="code" href="lightmediascanner__db__common_8c.html#5ff807216285c93325ffaf33361dd6fc">lms_db_begin_transaction</a>(db->transaction_begin);
393 <a name="l00390"></a>00390
394 <a name="l00391"></a>00391 <span class="keywordflow">while</span> (((r = _slave_recv_file(fds, &finfo, &flags)) == 0) &&
395 <a name="l00392"></a>00392 finfo.<a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> > 0) {
396 <a name="l00393"></a>00393 r = <a class="code" href="lightmediascanner__db__common_8c.html#0f727cd41bbb90af2e08b3ee7ca76de9">lms_db_update_file_info</a>(db->update_file_info, &finfo);
397 <a name="l00394"></a>00394 <span class="keywordflow">if</span> (r < 0)
398 <a name="l00395"></a>00395 fprintf(stderr, <span class="stringliteral">"ERROR: could not update path in DB\n"</span>);
399 <a name="l00396"></a>00396 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (flags & <a class="code" href="lightmediascanner__check_8c.html#f8084f435d209d810eb33deaa35fab5e">COMM_FINFO_FLAG_OUTDATED</a>) {
400 <a name="l00397"></a>00397 <span class="keywordtype">int</span> used;
401 <a name="l00398"></a>00398
402 <a name="l00399"></a>00399 used = <a class="code" href="lightmediascanner__private_8h.html#f92504ffd52b8b1d7d90b786af90d1ef">lms_parsers_check_using</a>(lms, parser_match, &finfo);
403 <a name="l00400"></a>00400 <span class="keywordflow">if</span> (!used)
404 <a name="l00401"></a>00401 r = 0;
405 <a name="l00402"></a>00402 <span class="keywordflow">else</span> {
406 <a name="l00403"></a>00403 r = <a class="code" href="lightmediascanner__private_8h.html#f61d9ef6ae2e576705bbd445db919e6c">lms_parsers_run</a>(lms, db->handle, parser_match, &finfo);
407 <a name="l00404"></a>00404 <span class="keywordflow">if</span> (r < 0) {
408 <a name="l00405"></a>00405 fprintf(stderr, <span class="stringliteral">"ERROR: pid=%d failed to parse \"%s\".\n"</span>,
409 <a name="l00406"></a>00406 getpid(), finfo.<a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>);
410 <a name="l00407"></a>00407 <a class="code" href="lightmediascanner__db__common_8c.html#bb2a9cdbbc7680d1ec85ef3f086b3f63">lms_db_delete_file_info</a>(db->delete_file_info, &finfo);
411 <a name="l00408"></a>00408 }
412 <a name="l00409"></a>00409 }
413 <a name="l00410"></a>00410 }
414 <a name="l00411"></a>00411
415 <a name="l00412"></a>00412 _slave_send_reply(fds, r);
416 <a name="l00413"></a>00413 counter++;
417 <a name="l00414"></a>00414 <span class="keywordflow">if</span> (counter > lms-><a class="code" href="structlms.html#1dc82aac2ab3ff643027878bb1aa3cb8">commit_interval</a>) {
418 <a name="l00415"></a>00415 <a class="code" href="lightmediascanner__db__common_8c.html#ffa877e4fa751f090e7af8c2025d245c">lms_db_end_transaction</a>(db->transaction_commit);
419 <a name="l00416"></a>00416 <a class="code" href="lightmediascanner__db__common_8c.html#5ff807216285c93325ffaf33361dd6fc">lms_db_begin_transaction</a>(db->transaction_begin);
420 <a name="l00417"></a>00417 counter = 0;
421 <a name="l00418"></a>00418 }
422 <a name="l00419"></a>00419 }
423 <a name="l00420"></a>00420
424 <a name="l00421"></a>00421 free(parser_match);
425 <a name="l00422"></a>00422 <a class="code" href="lightmediascanner__db__common_8c.html#ffa877e4fa751f090e7af8c2025d245c">lms_db_end_transaction</a>(db->transaction_commit);
426 <a name="l00423"></a>00423
427 <a name="l00424"></a>00424 <span class="keywordflow">return</span> r;
428 <a name="l00425"></a>00425 }
429 <a name="l00426"></a>00426
430 <a name="l00427"></a>00427 <span class="keyword">static</span> <span class="keywordtype">int</span>
431 <a name="l00428"></a>00428 _slave_work(<a class="code" href="structlms.html">lms_t</a> *lms, <span class="keyword">struct</span> fds *fds)
432 <a name="l00429"></a>00429 {
433 <a name="l00430"></a>00430 <span class="keyword">struct </span>slave_db *db;
434 <a name="l00431"></a>00431 <span class="keywordtype">int</span> r;
435 <a name="l00432"></a>00432
436 <a name="l00433"></a>00433 db = _slave_db_open(lms-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>);
437 <a name="l00434"></a>00434 <span class="keywordflow">if</span> (!db)
438 <a name="l00435"></a>00435 <span class="keywordflow">return</span> -1;
439 <a name="l00436"></a>00436
440 <a name="l00437"></a>00437 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#028ef9d19863e8d0ebac1b84b1cb9174">lms_parsers_setup</a>(lms, db->handle) != 0) {
441 <a name="l00438"></a>00438 fprintf(stderr, <span class="stringliteral">"ERROR: could not setup parsers.\n"</span>);
442 <a name="l00439"></a>00439 r = -2;
443 <a name="l00440"></a>00440 <span class="keywordflow">goto</span> end;
444 <a name="l00441"></a>00441 }
445 <a name="l00442"></a>00442
446 <a name="l00443"></a>00443 <span class="keywordflow">if</span> (_slave_db_compile_all_stmts(db) != 0) {
447 <a name="l00444"></a>00444 fprintf(stderr, <span class="stringliteral">"ERROR: could not compile statements.\n"</span>);
448 <a name="l00445"></a>00445 r = -3;
449 <a name="l00446"></a>00446 <span class="keywordflow">goto</span> end;
450 <a name="l00447"></a>00447 }
451 <a name="l00448"></a>00448
452 <a name="l00449"></a>00449 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#2c1f40ac6080c682c2f71172cc76f7e0">lms_parsers_start</a>(lms, db->handle) != 0) {
453 <a name="l00450"></a>00450 fprintf(stderr, <span class="stringliteral">"ERROR: could not start parsers.\n"</span>);
454 <a name="l00451"></a>00451 r = -4;
455 <a name="l00452"></a>00452 <span class="keywordflow">goto</span> end;
456 <a name="l00453"></a>00453 }
457 <a name="l00454"></a>00454 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> < 1) {
458 <a name="l00455"></a>00455 fprintf(stderr, <span class="stringliteral">"ERROR: no parser could be started, exit.\n"</span>);
459 <a name="l00456"></a>00456 r = -5;
460 <a name="l00457"></a>00457 <span class="keywordflow">goto</span> end;
461 <a name="l00458"></a>00458 }
462 <a name="l00459"></a>00459
463 <a name="l00460"></a>00460 r = _slave_work_int(lms, fds, db);
464 <a name="l00461"></a>00461
465 <a name="l00462"></a>00462 end:
466 <a name="l00463"></a>00463 <a class="code" href="lightmediascanner__private_8h.html#74adcb264b3092f3ae9249de93f9130f">lms_parsers_finish</a>(lms, db->handle);
467 <a name="l00464"></a>00464 _slave_db_close(db);
468 <a name="l00465"></a>00465 _init_sync_send(fds);
469 <a name="l00466"></a>00466
470 <a name="l00467"></a>00467 <span class="keywordflow">return</span> r;
471 <a name="l00468"></a>00468 }
472 <a name="l00469"></a>00469
473 <a name="l00470"></a>00470
474 <a name="l00471"></a>00471 <span class="comment">/***********************************************************************</span>
475 <a name="l00472"></a>00472 <span class="comment"> * Master-side.</span>
476 <a name="l00473"></a>00473 <span class="comment"> ***********************************************************************/</span>
477 <a name="l00474"></a>00474
478 <a name="l00475"></a>00475 <span class="keyword">static</span> <span class="keywordtype">int</span>
479 <a name="l00476"></a>00476 _master_db_compile_all_stmts(<span class="keyword">struct</span> master_db *db)
480 <a name="l00477"></a>00477 {
481 <a name="l00478"></a>00478 sqlite3 *handle;
482 <a name="l00479"></a>00479
483 <a name="l00480"></a>00480 handle = db->handle;
484 <a name="l00481"></a>00481
485 <a name="l00482"></a>00482 db->get_files = <a class="code" href="lightmediascanner__db__common_8c.html#73ae2cfd7babf80294cf31f02906223b">lms_db_compile_stmt_get_files</a>(handle);
486 <a name="l00483"></a>00483 <span class="keywordflow">if</span> (!db->get_files)
487 <a name="l00484"></a>00484 <span class="keywordflow">return</span> -1;
488 <a name="l00485"></a>00485
489 <a name="l00486"></a>00486 <span class="keywordflow">return</span> 0;
490 <a name="l00487"></a>00487 }
491 <a name="l00488"></a>00488
492 <a name="l00489"></a>00489 <span class="keyword">static</span> <span class="keyword">struct </span>master_db *
493 <a name="l00490"></a>00490 _master_db_open(<span class="keyword">const</span> <span class="keywordtype">char</span> *db_path)
494 <a name="l00491"></a>00491 {
495 <a name="l00492"></a>00492 <span class="keyword">struct </span>master_db *db;
496 <a name="l00493"></a>00493
497 <a name="l00494"></a>00494 db = calloc(1, <span class="keyword">sizeof</span>(*db));
498 <a name="l00495"></a>00495 <span class="keywordflow">if</span> (!db) {
499 <a name="l00496"></a>00496 perror(<span class="stringliteral">"calloc"</span>);
500 <a name="l00497"></a>00497 <span class="keywordflow">return</span> NULL;
501 <a name="l00498"></a>00498 }
502 <a name="l00499"></a>00499
503 <a name="l00500"></a>00500 <span class="keywordflow">if</span> (sqlite3_open(db_path, &db->handle) != SQLITE_OK) {
504 <a name="l00501"></a>00501 fprintf(stderr, <span class="stringliteral">"ERROR: could not open DB \"%s\": %s\n"</span>,
505 <a name="l00502"></a>00502 db_path, sqlite3_errmsg(db->handle));
506 <a name="l00503"></a>00503 <span class="keywordflow">goto</span> error;
507 <a name="l00504"></a>00504 }
508 <a name="l00505"></a>00505
509 <a name="l00506"></a>00506 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__db__common_8c.html#3798a46baaedc4d466879865456acc94">lms_db_create_core_tables_if_required</a>(db->handle) != 0) {
510 <a name="l00507"></a>00507 fprintf(stderr, <span class="stringliteral">"ERROR: could not setup tables and indexes.\n"</span>);
511 <a name="l00508"></a>00508 <span class="keywordflow">goto</span> error;
512 <a name="l00509"></a>00509 }
513 <a name="l00510"></a>00510
514 <a name="l00511"></a>00511 <span class="keywordflow">if</span> (_master_db_compile_all_stmts(db) != 0) {
515 <a name="l00512"></a>00512 fprintf(stderr, <span class="stringliteral">"ERROR: could not compile statements.\n"</span>);
516 <a name="l00513"></a>00513 <span class="keywordflow">goto</span> error;
517 <a name="l00514"></a>00514 }
518 <a name="l00515"></a>00515
519 <a name="l00516"></a>00516 <span class="keywordflow">return</span> db;
520 <a name="l00517"></a>00517
521 <a name="l00518"></a>00518 error:
522 <a name="l00519"></a>00519 sqlite3_close(db->handle);
523 <a name="l00520"></a>00520 free(db);
524 <a name="l00521"></a>00521 <span class="keywordflow">return</span> NULL;
525 <a name="l00522"></a>00522 }
526 <a name="l00523"></a>00523
527 <a name="l00524"></a>00524 <span class="keyword">static</span> <span class="keywordtype">int</span>
528 <a name="l00525"></a>00525 _master_db_close(<span class="keyword">struct</span> master_db *db)
529 <a name="l00526"></a>00526 {
530 <a name="l00527"></a>00527 <span class="keywordflow">if</span> (db->get_files)
531 <a name="l00528"></a>00528 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->get_files, <span class="stringliteral">"get_files"</span>);
532 <a name="l00529"></a>00529
533 <a name="l00530"></a>00530 <span class="keywordflow">if</span> (sqlite3_close(db->handle) != SQLITE_OK) {
534 <a name="l00531"></a>00531 fprintf(stderr, <span class="stringliteral">"ERROR: clould not close DB (master): %s\n"</span>,
535 <a name="l00532"></a>00532 sqlite3_errmsg(db->handle));
536 <a name="l00533"></a>00533 <span class="keywordflow">return</span> -1;
537 <a name="l00534"></a>00534 }
538 <a name="l00535"></a>00535 free(db);
539 <a name="l00536"></a>00536
540 <a name="l00537"></a>00537 <span class="keywordflow">return</span> 0;
541 <a name="l00538"></a>00538 }
542 <a name="l00539"></a>00539
543 <a name="l00540"></a>00540 <span class="keyword">static</span> <span class="keywordtype">void</span>
544 <a name="l00541"></a>00541 _calc_base(<span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> *finfo)
545 <a name="l00542"></a>00542 {
546 <a name="l00543"></a>00543 <span class="keywordtype">int</span> i;
547 <a name="l00544"></a>00544
548 <a name="l00545"></a>00545 <span class="keywordflow">for</span> (i = finfo-><a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> - 1; i >= 0; i--)
549 <a name="l00546"></a>00546 <span class="keywordflow">if</span> (finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>[i] == <span class="charliteral">'/'</span>) {
550 <a name="l00547"></a>00547 finfo-><a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a> = i;
551 <a name="l00548"></a>00548 <span class="keywordflow">return</span>;
552 <a name="l00549"></a>00549 }
553 <a name="l00550"></a>00550 }
554 <a name="l00551"></a>00551
555 <a name="l00552"></a>00552 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>
556 <a name="l00553"></a>00553 _update_finfo_from_stmt(<span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> *finfo, sqlite3_stmt *stmt)
557 <a name="l00554"></a>00554 {
558 <a name="l00555"></a>00555 finfo-><a class="code" href="structlms__file__info.html#d68ded5c64ae28a4976637f8483e9cfe">id</a> = sqlite3_column_int64(stmt, 0);
559 <a name="l00556"></a>00556 finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a> = sqlite3_column_blob(stmt, 1);
560 <a name="l00557"></a>00557 finfo-><a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> = sqlite3_column_bytes(stmt, 1);
561 <a name="l00558"></a>00558 finfo-><a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a> = 0;
562 <a name="l00559"></a>00559 finfo-><a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a> = sqlite3_column_int(stmt, 2);
563 <a name="l00560"></a>00560 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = sqlite3_column_int(stmt, 3);
564 <a name="l00561"></a>00561 finfo-><a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a> = sqlite3_column_int(stmt, 4);
565 <a name="l00562"></a>00562 }
566 <a name="l00563"></a>00563
567 <a name="l00564"></a>00564 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>
568 <a name="l00565"></a>00565 _update_finfo_from_stat(<span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> *finfo, <span class="keyword">const</span> <span class="keyword">struct</span> stat *st)
569 <a name="l00566"></a>00566 {
570 <a name="l00567"></a>00567 finfo-><a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a> = st->st_mtime;
571 <a name="l00568"></a>00568 finfo-><a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a> = st->st_size;
572 <a name="l00569"></a>00569 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = 0;
573 <a name="l00570"></a>00570 }
574 <a name="l00571"></a>00571
575 <a name="l00572"></a>00572 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>
576 <a name="l00573"></a>00573 _report_progress(<span class="keyword">struct</span> <a class="code" href="structcinfo.html">cinfo</a> *info, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> *finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370">lms_progress_status_t</a> status)
577 <a name="l00574"></a>00574 {
578 <a name="l00575"></a>00575 <a class="code" href="lightmediascanner_8h.html#117b4bb24ec8fc48fc4e6f0d7fa9ea3a">lms_progress_callback_t</a> cb;
579 <a name="l00576"></a>00576 <a class="code" href="structlms.html">lms_t</a> *lms = info-><a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a>;
580 <a name="l00577"></a>00577
581 <a name="l00578"></a>00578 cb = lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#94615d22fba40d580a8a0055d28221c4">cb</a>;
582 <a name="l00579"></a>00579 <span class="keywordflow">if</span> (!cb)
583 <a name="l00580"></a>00580 <span class="keywordflow">return</span>;
584 <a name="l00581"></a>00581
585 <a name="l00582"></a>00582 cb(lms, finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>, finfo-><a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a>, status, lms-><a class="code" href="structlms.html#3f4bc299aa74c9255b730e106e0e7a8f">progress</a>.<a class="code" href="structlms.html#2416f15bfd15aaa5e75606b5a0686362">data</a>);
586 <a name="l00583"></a>00583 }
587 <a name="l00584"></a>00584
588 <a name="l00585"></a>00585 <span class="keyword">static</span> <span class="keywordtype">int</span>
589 <a name="l00586"></a>00586 _finfo_update(<span class="keywordtype">void</span> *db_ptr, <span class="keyword">struct</span> <a class="code" href="structcinfo.html">cinfo</a> *info, <span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> *finfo, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *flags)
590 <a name="l00587"></a>00587 {
591 <a name="l00588"></a>00588 <span class="keyword">struct </span>master_db *db = db_ptr;
592 <a name="l00589"></a>00589 <span class="keyword">struct </span>stat st;
593 <a name="l00590"></a>00590
594 <a name="l00591"></a>00591 _update_finfo_from_stmt(finfo, db->get_files);
595 <a name="l00592"></a>00592
596 <a name="l00593"></a>00593 *flags = 0;
597 <a name="l00594"></a>00594 <span class="keywordflow">if</span> (stat(finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>, &st) == 0) {
598 <a name="l00595"></a>00595 <span class="keywordflow">if</span> (st.st_mtime == finfo-><a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a> && st.st_size == finfo-><a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a>) {
599 <a name="l00596"></a>00596 <span class="keywordflow">if</span> (finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> == 0) {
600 <a name="l00597"></a>00597 _report_progress(info, finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370204315e58ce4b7dfa6421b4d1556655d">LMS_PROGRESS_STATUS_UP_TO_DATE</a>);
601 <a name="l00598"></a>00598 <span class="keywordflow">return</span> 0;
602 <a name="l00599"></a>00599 } <span class="keywordflow">else</span>
603 <a name="l00600"></a>00600 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = 0;
604 <a name="l00601"></a>00601 } <span class="keywordflow">else</span> {
605 <a name="l00602"></a>00602 _update_finfo_from_stat(finfo, &st);
606 <a name="l00603"></a>00603 *flags |= COMM_FINFO_FLAG_OUTDATED;
607 <a name="l00604"></a>00604 }
608 <a name="l00605"></a>00605 } <span class="keywordflow">else</span> {
609 <a name="l00606"></a>00606 <span class="keywordflow">if</span> (finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a>)
610 <a name="l00607"></a>00607 <span class="keywordflow">return</span> 0;
611 <a name="l00608"></a>00608 <span class="keywordflow">else</span>
612 <a name="l00609"></a>00609 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = time(NULL);
613 <a name="l00610"></a>00610 }
614 <a name="l00611"></a>00611
615 <a name="l00612"></a>00612 _calc_base(finfo);
616 <a name="l00613"></a>00613
617 <a name="l00614"></a>00614 <span class="keywordflow">return</span> 1;
618 <a name="l00615"></a>00615 }
619 <a name="l00616"></a>00616
620 <a name="l00617"></a>00617 <span class="keyword">static</span> <span class="keywordtype">int</span>
621 <a name="l00618"></a>00618 _check_row(<span class="keywordtype">void</span> *db_ptr, <span class="keyword">struct</span> <a class="code" href="structcinfo.html">cinfo</a> *info)
622 <a name="l00619"></a>00619 {
623 <a name="l00620"></a>00620 <span class="keyword">struct </span><a class="code" href="structpinfo.html">pinfo</a> *<a class="code" href="structpinfo.html">pinfo</a> = (<span class="keyword">struct </span>pinfo *)info;
624 <a name="l00621"></a>00621 <span class="keyword">struct </span>master_db *db = db_ptr;
625 <a name="l00622"></a>00622 <span class="keyword">struct </span><a class="code" href="structlms__file__info.html">lms_file_info</a> finfo;
626 <a name="l00623"></a>00623 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags;
627 <a name="l00624"></a>00624 <span class="keywordtype">int</span> r, reply;
628 <a name="l00625"></a>00625
629 <a name="l00626"></a>00626 r = _finfo_update(db, info, &finfo, &flags);
630 <a name="l00627"></a>00627 <span class="keywordflow">if</span> (r == 0)
631 <a name="l00628"></a>00628 <span class="keywordflow">return</span> r;
632 <a name="l00629"></a>00629
633 <a name="l00630"></a>00630 <span class="keywordflow">if</span> (_master_send_file(&pinfo-><a class="code" href="structpinfo.html#246dfd29e81101866ccb01cc70224156">master</a>, finfo, flags) != 0)
634 <a name="l00631"></a>00631 <span class="keywordflow">return</span> -1;
635 <a name="l00632"></a>00632
636 <a name="l00633"></a>00633 r = _master_recv_reply(&pinfo-><a class="code" href="structpinfo.html#246dfd29e81101866ccb01cc70224156">master</a>, &pinfo-><a class="code" href="structpinfo.html#ee9c21ae165e7daf968a7ed87c736076">poll</a>, &reply,
637 <a name="l00634"></a>00634 pinfo-><a class="code" href="structpinfo.html#46a4fc606bd47def48714760afcbc18b">common</a>.<a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a>-><a class="code" href="structlms.html#0f545adf2fc37994b7f55f7ea7aac555">slave_timeout</a>);
638 <a name="l00635"></a>00635 <span class="keywordflow">if</span> (r < 0) {
639 <a name="l00636"></a>00636 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370d8c2349ce6dbac01c8be42c29c6c7082">LMS_PROGRESS_STATUS_ERROR_COMM</a>);
640 <a name="l00637"></a>00637 <span class="keywordflow">return</span> -2;
641 <a name="l00638"></a>00638 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == 1) {
642 <a name="l00639"></a>00639 fprintf(stderr, <span class="stringliteral">"ERROR: slave took too long, restart %d\n"</span>,
643 <a name="l00640"></a>00640 pinfo-><a class="code" href="structpinfo.html#d31b28f6373d19531cd208c4c2a71a51">child</a>);
644 <a name="l00641"></a>00641 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d237015217a2e3f16670fa70738730cd0b152">LMS_PROGRESS_STATUS_KILLED</a>);
645 <a name="l00642"></a>00642 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#dd61370f42f0c32e3b9d5c86303c3c58">lms_restart_slave</a>(pinfo, _slave_work) != 0)
646 <a name="l00643"></a>00643 <span class="keywordflow">return</span> -3;
647 <a name="l00644"></a>00644 <span class="keywordflow">return</span> 1;
648 <a name="l00645"></a>00645 } <span class="keywordflow">else</span> {
649 <a name="l00646"></a>00646 <span class="keywordflow">if</span> (reply < 0) {
650 <a name="l00647"></a>00647 fprintf(stderr, <span class="stringliteral">"ERROR: pid=%d failed to parse \"%s\".\n"</span>,
651 <a name="l00648"></a>00648 getpid(), finfo.<a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>);
652 <a name="l00649"></a>00649 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370ac34bba1176659b7d01c29ffe0b67c82">LMS_PROGRESS_STATUS_ERROR_PARSE</a>);
653 <a name="l00650"></a>00650 <span class="keywordflow">return</span> (-reply) << 8;
654 <a name="l00651"></a>00651 } <span class="keywordflow">else</span> {
655 <a name="l00652"></a>00652 <span class="keywordflow">if</span> (!finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a>)
656 <a name="l00653"></a>00653 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370d058b5f0e26e414942e96b806d3a7c70">LMS_PROGRESS_STATUS_PROCESSED</a>);
657 <a name="l00654"></a>00654 <span class="keywordflow">else</span>
658 <a name="l00655"></a>00655 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370a6792f0bca81010621d898e105face11">LMS_PROGRESS_STATUS_DELETED</a>);
659 <a name="l00656"></a>00656 <span class="keywordflow">return</span> reply;
660 <a name="l00657"></a>00657 }
661 <a name="l00658"></a>00658 }
662 <a name="l00659"></a>00659 }
663 <a name="l00660"></a>00660
664 <a name="l00661"></a>00661 <span class="keyword">static</span> <span class="keywordtype">int</span>
665 <a name="l00662"></a>00662 _check_row_single_process(<span class="keywordtype">void</span> *db_ptr, <span class="keyword">struct</span> <a class="code" href="structcinfo.html">cinfo</a> *info)
666 <a name="l00663"></a>00663 {
667 <a name="l00664"></a>00664 <span class="keyword">struct </span><a class="code" href="structsinfo.html">sinfo</a> *<a class="code" href="structsinfo.html">sinfo</a> = (<span class="keyword">struct </span>sinfo *)info;
668 <a name="l00665"></a>00665 <span class="keyword">struct </span>single_process_db *db = db_ptr;
669 <a name="l00666"></a>00666 <span class="keyword">struct </span><a class="code" href="structlms__file__info.html">lms_file_info</a> finfo;
670 <a name="l00667"></a>00667 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags;
671 <a name="l00668"></a>00668 <span class="keywordtype">int</span> r;
672 <a name="l00669"></a>00669
673 <a name="l00670"></a>00670 <span class="keywordtype">void</span> **parser_match = sinfo-><a class="code" href="structsinfo.html#453d67e0467608c10700c7217cfe19fd">parser_match</a>;
674 <a name="l00671"></a>00671 <a class="code" href="structlms.html">lms_t</a> *lms = info-><a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a>;
675 <a name="l00672"></a>00672
676 <a name="l00673"></a>00673 r = _finfo_update(db, info, &finfo, &flags);
677 <a name="l00674"></a>00674 <span class="keywordflow">if</span> (r == 0)
678 <a name="l00675"></a>00675 <span class="keywordflow">return</span> r;
679 <a name="l00676"></a>00676
680 <a name="l00677"></a>00677 r = <a class="code" href="lightmediascanner__db__common_8c.html#0f727cd41bbb90af2e08b3ee7ca76de9">lms_db_update_file_info</a>(db->update_file_info, &finfo);
681 <a name="l00678"></a>00678 <span class="keywordflow">if</span> (r < 0)
682 <a name="l00679"></a>00679 fprintf(stderr, <span class="stringliteral">"ERROR: could not update path in DB\n"</span>);
683 <a name="l00680"></a>00680 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (flags & COMM_FINFO_FLAG_OUTDATED) {
684 <a name="l00681"></a>00681 <span class="keywordtype">int</span> used;
685 <a name="l00682"></a>00682
686 <a name="l00683"></a>00683 used = <a class="code" href="lightmediascanner__private_8h.html#f92504ffd52b8b1d7d90b786af90d1ef">lms_parsers_check_using</a>(lms, parser_match, &finfo);
687 <a name="l00684"></a>00684 <span class="keywordflow">if</span> (!used)
688 <a name="l00685"></a>00685 r = 0;
689 <a name="l00686"></a>00686 <span class="keywordflow">else</span> {
690 <a name="l00687"></a>00687 r = <a class="code" href="lightmediascanner__private_8h.html#f61d9ef6ae2e576705bbd445db919e6c">lms_parsers_run</a>(lms, db->handle, parser_match, &finfo);
691 <a name="l00688"></a>00688 <span class="keywordflow">if</span> (r < 0) {
692 <a name="l00689"></a>00689 fprintf(stderr, <span class="stringliteral">"ERROR: pid=%d failed to parse \"%s\".\n"</span>,
693 <a name="l00690"></a>00690 getpid(), finfo.<a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>);
694 <a name="l00691"></a>00691 <a class="code" href="lightmediascanner__db__common_8c.html#bb2a9cdbbc7680d1ec85ef3f086b3f63">lms_db_delete_file_info</a>(db->delete_file_info, &finfo);
695 <a name="l00692"></a>00692 }
696 <a name="l00693"></a>00693 }
697 <a name="l00694"></a>00694 }
698 <a name="l00695"></a>00695
699 <a name="l00696"></a>00696 <span class="keywordflow">if</span> (r < 0) {
700 <a name="l00697"></a>00697 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370ac34bba1176659b7d01c29ffe0b67c82">LMS_PROGRESS_STATUS_ERROR_PARSE</a>);
701 <a name="l00698"></a>00698 <span class="keywordflow">return</span> (-r) << 8;
702 <a name="l00699"></a>00699 } <span class="keywordflow">else</span> {
703 <a name="l00700"></a>00700 sinfo-><a class="code" href="structsinfo.html#4dc79e3c97d069939b8ba2d65d85fa1f">commit_counter</a>++;
704 <a name="l00701"></a>00701 <span class="keywordflow">if</span> (sinfo-><a class="code" href="structsinfo.html#4dc79e3c97d069939b8ba2d65d85fa1f">commit_counter</a> > lms-><a class="code" href="structlms.html#1dc82aac2ab3ff643027878bb1aa3cb8">commit_interval</a>) {
705 <a name="l00702"></a>00702 <a class="code" href="lightmediascanner__db__common_8c.html#ffa877e4fa751f090e7af8c2025d245c">lms_db_end_transaction</a>(db->transaction_commit);
706 <a name="l00703"></a>00703 <a class="code" href="lightmediascanner__db__common_8c.html#5ff807216285c93325ffaf33361dd6fc">lms_db_begin_transaction</a>(db->transaction_begin);
707 <a name="l00704"></a>00704 sinfo-><a class="code" href="structsinfo.html#4dc79e3c97d069939b8ba2d65d85fa1f">commit_counter</a> = 0;
708 <a name="l00705"></a>00705 }
709 <a name="l00706"></a>00706
710 <a name="l00707"></a>00707 <span class="keywordflow">if</span> (!finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a>)
711 <a name="l00708"></a>00708 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370d058b5f0e26e414942e96b806d3a7c70">LMS_PROGRESS_STATUS_PROCESSED</a>);
712 <a name="l00709"></a>00709 <span class="keywordflow">else</span>
713 <a name="l00710"></a>00710 _report_progress(info, &finfo, <a class="code" href="lightmediascanner_8h.html#52b270a30c58810720ae0650f64d2370a6792f0bca81010621d898e105face11">LMS_PROGRESS_STATUS_DELETED</a>);
714 <a name="l00711"></a>00711 <span class="keywordflow">return</span> r;
715 <a name="l00712"></a>00712 }
716 <a name="l00713"></a>00713 }
717 <a name="l00714"></a>00714
718 <a name="l00715"></a>00715 <span class="keyword">static</span> <span class="keywordtype">int</span>
719 <a name="l00716"></a>00716 _init_sync_wait(<span class="keyword">struct</span> pinfo *pinfo, <span class="keywordtype">int</span> restart)
720 <a name="l00717"></a>00717 {
721 <a name="l00718"></a>00718 <span class="keywordtype">int</span> r, reply;
722 <a name="l00719"></a>00719
723 <a name="l00720"></a>00720 <span class="keywordflow">do</span> {
724 <a name="l00721"></a>00721 r = _master_recv_reply(&pinfo-><a class="code" href="structpinfo.html#246dfd29e81101866ccb01cc70224156">master</a>, &pinfo-><a class="code" href="structpinfo.html#ee9c21ae165e7daf968a7ed87c736076">poll</a>, &reply,
725 <a name="l00722"></a>00722 pinfo-><a class="code" href="structpinfo.html#46a4fc606bd47def48714760afcbc18b">common</a>.<a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a>-><a class="code" href="structlms.html#0f545adf2fc37994b7f55f7ea7aac555">slave_timeout</a>);
726 <a name="l00723"></a>00723 <span class="keywordflow">if</span> (r < 0)
727 <a name="l00724"></a>00724 <span class="keywordflow">return</span> -1;
728 <a name="l00725"></a>00725 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == 1 && restart) {
729 <a name="l00726"></a>00726 fprintf(stderr, <span class="stringliteral">"ERROR: slave took too long, restart %d\n"</span>,
730 <a name="l00727"></a>00727 pinfo-><a class="code" href="structpinfo.html#d31b28f6373d19531cd208c4c2a71a51">child</a>);
731 <a name="l00728"></a>00728 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#dd61370f42f0c32e3b9d5c86303c3c58">lms_restart_slave</a>(pinfo, _slave_work) != 0)
732 <a name="l00729"></a>00729 <span class="keywordflow">return</span> -2;
733 <a name="l00730"></a>00730 }
734 <a name="l00731"></a>00731 } <span class="keywordflow">while</span> (r != 0 && restart);
735 <a name="l00732"></a>00732
736 <a name="l00733"></a>00733 <span class="keywordflow">return</span> r;
737 <a name="l00734"></a>00734 }
738 <a name="l00735"></a>00735
739 <a name="l00736"></a>00736 <span class="keyword">static</span> <span class="keywordtype">int</span>
740 <a name="l00737"></a>00737 _master_dummy_send_finish(<span class="keyword">const</span> <span class="keyword">struct</span> fds *master)
741 <a name="l00738"></a>00738 {
742 <a name="l00739"></a>00739 <span class="keywordflow">return</span> 0;
743 <a name="l00740"></a>00740 }
744 <a name="l00741"></a>00741
745 <a name="l00742"></a>00742 <span class="keyword">static</span> <span class="keywordtype">int</span>
746 <a name="l00743"></a>00743 _db_files_loop(<span class="keywordtype">void</span> *db_ptr, <span class="keyword">struct</span> <a class="code" href="structcinfo.html">cinfo</a> *info, <a class="code" href="lightmediascanner__private_8h.html#818aa1ae6bb03151823bbd9b56bd0801">check_row_callback_t</a> check_row)
747 <a name="l00744"></a>00744 {
748 <a name="l00745"></a>00745 <span class="keyword">struct </span>master_db *db = db_ptr;
749 <a name="l00746"></a>00746 <a class="code" href="structlms.html">lms_t</a> *lms = info-><a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a>;
750 <a name="l00747"></a>00747 <span class="keywordtype">int</span> r;
751 <a name="l00748"></a>00748
752 <a name="l00749"></a>00749 <span class="keywordflow">do</span> {
753 <a name="l00750"></a>00750 r = sqlite3_step(db->get_files);
754 <a name="l00751"></a>00751 <span class="keywordflow">if</span> (r == SQLITE_ROW) {
755 <a name="l00752"></a>00752 <span class="keywordflow">if</span> (check_row(db_ptr, info) < 0) {
756 <a name="l00753"></a>00753 fprintf(stderr, <span class="stringliteral">"ERROR: could not check row.\n"</span>);
757 <a name="l00754"></a>00754 <span class="keywordflow">return</span> -1;
758 <a name="l00755"></a>00755 }
759 <a name="l00756"></a>00756 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r != SQLITE_DONE) {
760 <a name="l00757"></a>00757 fprintf(stderr, <span class="stringliteral">"ERROR: could not begin transaction: %s\n"</span>,
761 <a name="l00758"></a>00758 sqlite3_errmsg(db->handle));
762 <a name="l00759"></a>00759 <span class="keywordflow">return</span> -2;
763 <a name="l00760"></a>00760 }
764 <a name="l00761"></a>00761 } <span class="keywordflow">while</span> (r != SQLITE_DONE && !lms-><a class="code" href="structlms.html#d028e3681568215f6facd7d477c74461">stop_processing</a>);
765 <a name="l00762"></a>00762
766 <a name="l00763"></a>00763 <span class="keywordflow">return</span> 0;
767 <a name="l00764"></a>00764 }
768 <a name="l00765"></a>00765
769 <a name="l00766"></a>00766 <span class="keyword">static</span> <span class="keywordtype">int</span>
770 <a name="l00767"></a>00767 _check(<span class="keyword">struct</span> pinfo *pinfo, <span class="keywordtype">int</span> len, <span class="keywordtype">char</span> *path)
771 <a name="l00768"></a>00768 {
772 <a name="l00769"></a>00769 <span class="keywordtype">char</span> query[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a> + 2];
773 <a name="l00770"></a>00770 <span class="keyword">struct </span>master_db *db;
774 <a name="l00771"></a>00771 <span class="keywordtype">int</span> ret;
775 <a name="l00772"></a>00772
776 <a name="l00773"></a>00773 db = _master_db_open(pinfo-><a class="code" href="structpinfo.html#46a4fc606bd47def48714760afcbc18b">common</a>.<a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a>-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>);
777 <a name="l00774"></a>00774 <span class="keywordflow">if</span> (!db)
778 <a name="l00775"></a>00775 <span class="keywordflow">return</span> -1;
779 <a name="l00776"></a>00776
780 <a name="l00777"></a>00777 memcpy(query, path, len);
781 <a name="l00778"></a>00778 query[len] = <span class="charliteral">'%'</span>;
782 <a name="l00779"></a>00779 query[len + 1] = <span class="charliteral">'\0'</span>;
783 <a name="l00780"></a>00780 ret = <a class="code" href="lightmediascanner__db__common_8c.html#df572e74e0821a66ebd16f575b4fb7c4">lms_db_get_files</a>(db->get_files, query, len + 1);
784 <a name="l00781"></a>00781 <span class="keywordflow">if</span> (ret != 0)
785 <a name="l00782"></a>00782 <span class="keywordflow">goto</span> end;
786 <a name="l00783"></a>00783
787 <a name="l00784"></a>00784 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#439b3c62e96d472bdb2125a0a04d4fa6">lms_create_slave</a>(pinfo, _slave_work) != 0) {
788 <a name="l00785"></a>00785 ret = -2;
789 <a name="l00786"></a>00786 <span class="keywordflow">goto</span> end;
790 <a name="l00787"></a>00787 }
791 <a name="l00788"></a>00788
792 <a name="l00789"></a>00789 _init_sync_wait(pinfo, 1);
793 <a name="l00790"></a>00790
794 <a name="l00791"></a>00791 ret = _db_files_loop(db, (<span class="keyword">struct</span> <a class="code" href="structcinfo.html">cinfo</a> *)pinfo, _check_row);
795 <a name="l00792"></a>00792
796 <a name="l00793"></a>00793 _master_send_finish(&pinfo-><a class="code" href="structpinfo.html#246dfd29e81101866ccb01cc70224156">master</a>);
797 <a name="l00794"></a>00794 _init_sync_wait(pinfo, 0);
798 <a name="l00795"></a>00795 <a class="code" href="lightmediascanner__private_8h.html#dd3853bb333e8bee167477933a058ae5">lms_finish_slave</a>(pinfo, _master_dummy_send_finish);
799 <a name="l00796"></a>00796 end:
800 <a name="l00797"></a>00797 <a class="code" href="lightmediascanner__db__common_8c.html#226c6f7ab2e7923b747b7090357ea419">lms_db_reset_stmt</a>(db->get_files);
801 <a name="l00798"></a>00798 _master_db_close(db);
802 <a name="l00799"></a>00799
803 <a name="l00800"></a>00800 <span class="keywordflow">return</span> ret;
804 <a name="l00801"></a>00801 }
805 <a name="l00802"></a>00802
806 <a name="l00803"></a>00803 <span class="keyword">static</span> <span class="keywordtype">int</span>
807 <a name="l00804"></a>00804 _check_single_process(<span class="keyword">struct</span> sinfo *sinfo, <span class="keywordtype">int</span> len, <span class="keywordtype">char</span> *path)
808 <a name="l00805"></a>00805 {
809 <a name="l00806"></a>00806 <span class="keyword">struct </span>single_process_db *db;
810 <a name="l00807"></a>00807 <span class="keywordtype">char</span> query[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a> + 2];
811 <a name="l00808"></a>00808 <span class="keywordtype">void</span> **parser_match;
812 <a name="l00809"></a>00809 <a class="code" href="structlms.html">lms_t</a> *lms;
813 <a name="l00810"></a>00810 <span class="keywordtype">int</span> ret;
814 <a name="l00811"></a>00811
815 <a name="l00812"></a>00812 lms = sinfo-><a class="code" href="structsinfo.html#aa9d846b49c394348027d31e49c535be">common</a>.<a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a>;
816 <a name="l00813"></a>00813 db = _single_process_db_open(lms-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>);
817 <a name="l00814"></a>00814 <span class="keywordflow">if</span> (!db)
818 <a name="l00815"></a>00815 <span class="keywordflow">return</span> -1;
819 <a name="l00816"></a>00816
820 <a name="l00817"></a>00817 memcpy(query, path, len);
821 <a name="l00818"></a>00818 query[len] = <span class="charliteral">'%'</span>;
822 <a name="l00819"></a>00819 query[len + 1] = <span class="charliteral">'\0'</span>;
823 <a name="l00820"></a>00820 ret = <a class="code" href="lightmediascanner__db__common_8c.html#df572e74e0821a66ebd16f575b4fb7c4">lms_db_get_files</a>(db->get_files, query, len + 1);
824 <a name="l00821"></a>00821 <span class="keywordflow">if</span> (ret != 0)
825 <a name="l00822"></a>00822 <span class="keywordflow">goto</span> end;
826 <a name="l00823"></a>00823
827 <a name="l00824"></a>00824 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#028ef9d19863e8d0ebac1b84b1cb9174">lms_parsers_setup</a>(lms, db->handle) != 0) {
828 <a name="l00825"></a>00825 fprintf(stderr, <span class="stringliteral">"ERROR: could not setup parsers.\n"</span>);
829 <a name="l00826"></a>00826 ret = -2;
830 <a name="l00827"></a>00827 <span class="keywordflow">goto</span> end;
831 <a name="l00828"></a>00828 }
832 <a name="l00829"></a>00829
833 <a name="l00830"></a>00830 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#2c1f40ac6080c682c2f71172cc76f7e0">lms_parsers_start</a>(lms, db->handle) != 0) {
834 <a name="l00831"></a>00831 fprintf(stderr, <span class="stringliteral">"ERROR: could not start parsers.\n"</span>);
835 <a name="l00832"></a>00832 ret = -3;
836 <a name="l00833"></a>00833 <span class="keywordflow">goto</span> end;
837 <a name="l00834"></a>00834 }
838 <a name="l00835"></a>00835
839 <a name="l00836"></a>00836 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> < 1) {
840 <a name="l00837"></a>00837 fprintf(stderr, <span class="stringliteral">"ERROR: no parser could be started, exit.\n"</span>);
841 <a name="l00838"></a>00838 ret = -4;
842 <a name="l00839"></a>00839 <span class="keywordflow">goto</span> end;
843 <a name="l00840"></a>00840 }
844 <a name="l00841"></a>00841
845 <a name="l00842"></a>00842 parser_match = malloc(lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> * <span class="keyword">sizeof</span>(*parser_match));
846 <a name="l00843"></a>00843 <span class="keywordflow">if</span> (!parser_match) {
847 <a name="l00844"></a>00844 perror(<span class="stringliteral">"malloc"</span>);
848 <a name="l00845"></a>00845 ret = -5;
849 <a name="l00846"></a>00846 <span class="keywordflow">goto</span> end;
850 <a name="l00847"></a>00847 }
851 <a name="l00848"></a>00848
852 <a name="l00849"></a>00849 sinfo-><a class="code" href="structsinfo.html#453d67e0467608c10700c7217cfe19fd">parser_match</a> = parser_match;
853 <a name="l00850"></a>00850
854 <a name="l00851"></a>00851 <a class="code" href="lightmediascanner__db__common_8c.html#5ff807216285c93325ffaf33361dd6fc">lms_db_begin_transaction</a>(db->transaction_begin);
855 <a name="l00852"></a>00852
856 <a name="l00853"></a>00853 ret = _db_files_loop(db, (<span class="keyword">struct</span> <a class="code" href="structcinfo.html">cinfo</a> *)sinfo, _check_row_single_process);
857 <a name="l00854"></a>00854
858 <a name="l00855"></a>00855 free(parser_match);
859 <a name="l00856"></a>00856 <a class="code" href="lightmediascanner__db__common_8c.html#ffa877e4fa751f090e7af8c2025d245c">lms_db_end_transaction</a>(db->transaction_commit);
860 <a name="l00857"></a>00857 end:
861 <a name="l00858"></a>00858 <a class="code" href="lightmediascanner__private_8h.html#74adcb264b3092f3ae9249de93f9130f">lms_parsers_finish</a>(lms, db->handle);
862 <a name="l00859"></a>00859 <a class="code" href="lightmediascanner__db__common_8c.html#226c6f7ab2e7923b747b7090357ea419">lms_db_reset_stmt</a>(db->get_files);
863 <a name="l00860"></a>00860 _single_process_db_close(db);
864 <a name="l00861"></a>00861
865 <a name="l00862"></a>00862 <span class="keywordflow">return</span> ret;
866 <a name="l00863"></a>00863 }
867 <a name="l00864"></a>00864
868 <a name="l00865"></a>00865 <span class="keyword">static</span> <span class="keywordtype">int</span>
869 <a name="l00866"></a>00866 _lms_check_check_valid(<a class="code" href="structlms.html">lms_t</a> *lms, <span class="keyword">const</span> <span class="keywordtype">char</span> *path)
870 <a name="l00867"></a>00867 {
871 <a name="l00868"></a>00868 <span class="keywordflow">if</span> (!lms)
872 <a name="l00869"></a>00869 <span class="keywordflow">return</span> -1;
873 <a name="l00870"></a>00870
874 <a name="l00871"></a>00871 <span class="keywordflow">if</span> (!path)
875 <a name="l00872"></a>00872 <span class="keywordflow">return</span> -2;
876 <a name="l00873"></a>00873
877 <a name="l00874"></a>00874 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a>) {
878 <a name="l00875"></a>00875 fprintf(stderr, <span class="stringliteral">"ERROR: is already processing.\n"</span>);
879 <a name="l00876"></a>00876 <span class="keywordflow">return</span> -3;
880 <a name="l00877"></a>00877 }
881 <a name="l00878"></a>00878
882 <a name="l00879"></a>00879 <span class="keywordflow">if</span> (!lms-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>) {
883 <a name="l00880"></a>00880 fprintf(stderr, <span class="stringliteral">"ERROR: no plugins registered.\n"</span>);
884 <a name="l00881"></a>00881 <span class="keywordflow">return</span> -4;
885 <a name="l00882"></a>00882 }
886 <a name="l00883"></a>00883
887 <a name="l00884"></a>00884 <span class="keywordflow">return</span> 0;
888 <a name="l00885"></a>00885 }
889 <a name="l00886"></a>00886
890 <a name="l00899"></a>00899 <span class="keywordtype">int</span>
891 <a name="l00900"></a><a class="code" href="lightmediascanner__check_8c.html#859492d896e816498edb471315efced1">00900</a> <a class="code" href="lightmediascanner_8h.html#5b70063cf19648de70bb145404aa3d0b">lms_check</a>(<a class="code" href="structlms.html">lms_t</a> *lms, <span class="keyword">const</span> <span class="keywordtype">char</span> *top_path)
892 <a name="l00901"></a>00901 {
893 <a name="l00902"></a>00902 <span class="keywordtype">char</span> path[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a>];
894 <a name="l00903"></a>00903 <span class="keyword">struct </span>pinfo pinfo;
895 <a name="l00904"></a>00904 <span class="keywordtype">int</span> r;
896 <a name="l00905"></a>00905
897 <a name="l00906"></a>00906 r = _lms_check_check_valid(lms, top_path);
898 <a name="l00907"></a>00907 <span class="keywordflow">if</span> (r < 0)
899 <a name="l00908"></a>00908 <span class="keywordflow">return</span> r;
900 <a name="l00909"></a>00909
901 <a name="l00910"></a>00910 pinfo.<a class="code" href="structpinfo.html#46a4fc606bd47def48714760afcbc18b">common</a>.<a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a> = lms;
902 <a name="l00911"></a>00911
903 <a name="l00912"></a>00912 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#a5952b7aae2fa795396a5a286c2ee4a4">lms_create_pipes</a>(&pinfo) != 0) {
904 <a name="l00913"></a>00913 r = -5;
905 <a name="l00914"></a>00914 <span class="keywordflow">goto</span> end;
906 <a name="l00915"></a>00915 }
907 <a name="l00916"></a>00916
908 <a name="l00917"></a>00917 <span class="keywordflow">if</span> (realpath(top_path, path) == NULL) {
909 <a name="l00918"></a>00918 perror(<span class="stringliteral">"realpath"</span>);
910 <a name="l00919"></a>00919 r = -6;
911 <a name="l00920"></a>00920 <span class="keywordflow">goto</span> close_pipes;
912 <a name="l00921"></a>00921 }
913 <a name="l00922"></a>00922
914 <a name="l00923"></a>00923 lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a> = 1;
915 <a name="l00924"></a>00924 lms-><a class="code" href="structlms.html#d028e3681568215f6facd7d477c74461">stop_processing</a> = 0;
916 <a name="l00925"></a>00925 r = _check(&pinfo, strlen(path), path);
917 <a name="l00926"></a>00926 lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a> = 0;
918 <a name="l00927"></a>00927 lms-><a class="code" href="structlms.html#d028e3681568215f6facd7d477c74461">stop_processing</a> = 0;
919 <a name="l00928"></a>00928
920 <a name="l00929"></a>00929 close_pipes:
921 <a name="l00930"></a>00930 <a class="code" href="lightmediascanner__private_8h.html#8c1aa0a9d9bb796db279caeb97e04eed">lms_close_pipes</a>(&pinfo);
922 <a name="l00931"></a>00931 end:
923 <a name="l00932"></a>00932 <span class="keywordflow">return</span> r;
924 <a name="l00933"></a>00933 }
925 <a name="l00934"></a>00934
926 <a name="l00948"></a>00948 <span class="keywordtype">int</span>
927 <a name="l00949"></a><a class="code" href="lightmediascanner__check_8c.html#a56ce530328493e110054aa1eabf66c2">00949</a> <a class="code" href="lightmediascanner_8h.html#bfd6888e606654c585e41aa946637432">lms_check_single_process</a>(<a class="code" href="structlms.html">lms_t</a> *lms, <span class="keyword">const</span> <span class="keywordtype">char</span> *top_path)
928 <a name="l00950"></a>00950 {
929 <a name="l00951"></a>00951 <span class="keywordtype">char</span> path[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a>];
930 <a name="l00952"></a>00952 <span class="keyword">struct </span>sinfo sinfo;
931 <a name="l00953"></a>00953 <span class="keywordtype">int</span> r;
932 <a name="l00954"></a>00954
933 <a name="l00955"></a>00955 r = _lms_check_check_valid(lms, top_path);
934 <a name="l00956"></a>00956 <span class="keywordflow">if</span> (r < 0)
935 <a name="l00957"></a>00957 <span class="keywordflow">return</span> r;
936 <a name="l00958"></a>00958
937 <a name="l00959"></a>00959 sinfo.<a class="code" href="structsinfo.html#aa9d846b49c394348027d31e49c535be">common</a>.<a class="code" href="structcinfo.html#eff7e00325ac7d8674f42f4bfc198b5a">lms</a> = lms;
938 <a name="l00960"></a>00960 sinfo.<a class="code" href="structsinfo.html#4dc79e3c97d069939b8ba2d65d85fa1f">commit_counter</a> = 0;
939 <a name="l00961"></a>00961
940 <a name="l00962"></a>00962 <span class="keywordflow">if</span> (realpath(top_path, path) == NULL) {
941 <a name="l00963"></a>00963 perror(<span class="stringliteral">"realpath"</span>);
942 <a name="l00964"></a>00964 <span class="keywordflow">return</span> -6;
943 <a name="l00965"></a>00965 }
944 <a name="l00966"></a>00966
945 <a name="l00967"></a>00967 lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a> = 1;
946 <a name="l00968"></a>00968 lms-><a class="code" href="structlms.html#d028e3681568215f6facd7d477c74461">stop_processing</a> = 0;
947 <a name="l00969"></a>00969 r = _check_single_process(&sinfo, strlen(path), path);
948 <a name="l00970"></a>00970 lms-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a> = 0;
949 <a name="l00971"></a>00971 lms-><a class="code" href="structlms.html#d028e3681568215f6facd7d477c74461">stop_processing</a> = 0;
950 <a name="l00972"></a>00972
951 <a name="l00973"></a>00973 <span class="keywordflow">return</span> r;
952 <a name="l00974"></a>00974 }
954 <hr size="1"><address style="text-align: right;"><small>Generated on Wed Apr 22 23:56:01 2009 for Light Media Scanner by
955 <a href="http://www.doxygen.org/index.html">
956 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
projects / lms / blob