1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2 <html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
3 <title>Light Media Scanner: src/lib/lightmediascanner_check.c Source File</title>
4 <link href="doxygen.css" rel="stylesheet" type="text/css">
5 <link href="tabs.css" rel="stylesheet" type="text/css">
7 <!-- Generated by Doxygen 1.5.2 -->
10 <li><a href="index.html"><span>Main Page</span></a></li>
11 <li><a href="modules.html"><span>Modules</span></a></li>
12 <li><a href="classes.html"><span>Data Structures</span></a></li>
13 <li class="current"><a href="files.html"><span>Files</span></a></li>
18 <li><a href="files.html"><span>File List</span></a></li>
19 <li><a href="globals.html"><span>Globals</span></a></li>
22 <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
23 <a name="l00021"></a>00021 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
24 <a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#include "config.h"</span>
25 <a name="l00023"></a>00023 <span class="preprocessor">#endif</span>
26 <a name="l00024"></a>00024 <span class="preprocessor"></span>
27 <a name="l00025"></a><a class="code" href="lightmediascanner__check_8c.html#369266c24eacffb87046522897a570d5">00025</a> <span class="preprocessor">#define _GNU_SOURCE</span>
28 <a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#include <sys/wait.h></span>
29 <a name="l00027"></a>00027 <span class="preprocessor">#include <sys/stat.h></span>
30 <a name="l00028"></a>00028 <span class="preprocessor">#include <unistd.h></span>
31 <a name="l00029"></a>00029 <span class="preprocessor">#include <dirent.h></span>
32 <a name="l00030"></a>00030 <span class="preprocessor">#include <signal.h></span>
33 <a name="l00031"></a>00031 <span class="preprocessor">#include <time.h></span>
34 <a name="l00032"></a>00032
35 <a name="l00033"></a>00033 <span class="preprocessor">#include <stdio.h></span>
36 <a name="l00034"></a>00034 <span class="preprocessor">#include <stdlib.h></span>
37 <a name="l00035"></a>00035 <span class="preprocessor">#include <string.h></span>
38 <a name="l00036"></a>00036
39 <a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="lightmediascanner_8h.html">lightmediascanner.h</a>"</span>
40 <a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="lightmediascanner__private_8h.html">lightmediascanner_private.h</a>"</span>
41 <a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="lightmediascanner__db__private_8h.html">lightmediascanner_db_private.h</a>"</span>
42 <a name="l00040"></a>00040
43 <a name="l00041"></a>00041 <span class="keyword">struct </span>master_db {
44 <a name="l00042"></a>00042 sqlite3 *handle;
45 <a name="l00043"></a>00043 sqlite3_stmt *get_files;
46 <a name="l00044"></a>00044 };
47 <a name="l00045"></a>00045
48 <a name="l00046"></a>00046 <span class="keyword">struct </span>slave_db {
49 <a name="l00047"></a>00047 sqlite3 *handle;
50 <a name="l00048"></a>00048 sqlite3_stmt *transaction_begin;
51 <a name="l00049"></a>00049 sqlite3_stmt *transaction_commit;
52 <a name="l00050"></a>00050 sqlite3_stmt *delete_file_info;
53 <a name="l00051"></a>00051 sqlite3_stmt *update_file_info;
54 <a name="l00052"></a>00052 };
55 <a name="l00053"></a>00053
56 <a name="l00054"></a>00054
57 <a name="l00055"></a>00055 <span class="comment">/***********************************************************************</span>
58 <a name="l00056"></a>00056 <span class="comment"> * Master-Slave communication.</span>
59 <a name="l00057"></a>00057 <span class="comment"> ***********************************************************************/</span>
60 <a name="l00058"></a>00058
61 <a name="l00059"></a>00059 <span class="keyword">struct </span>comm_finfo {
62 <a name="l00060"></a>00060 <span class="keywordtype">int</span> path_len;
63 <a name="l00061"></a>00061 <span class="keywordtype">int</span> base;
64 <a name="l00062"></a>00062 int64_t id;
65 <a name="l00063"></a>00063 time_t mtime;
66 <a name="l00064"></a>00064 time_t dtime;
67 <a name="l00065"></a>00065 <span class="keywordtype">size_t</span> size;
68 <a name="l00066"></a>00066 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags;
69 <a name="l00067"></a><a class="code" href="lightmediascanner__check_8c.html#f8084f435d209d810eb33deaa35fab5e">00067</a> <span class="preprocessor">#define COMM_FINFO_FLAG_OUTDATED 1</span>
70 <a name="l00068"></a>00068 <span class="preprocessor"></span>};
71 <a name="l00069"></a>00069
72 <a name="l00070"></a>00070 <span class="keyword">static</span> <span class="keywordtype">int</span>
73 <a name="l00071"></a>00071 _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)
74 <a name="l00072"></a>00072 {
75 <a name="l00073"></a>00073 <span class="keyword">struct </span>comm_finfo ci;
76 <a name="l00074"></a>00074
77 <a name="l00075"></a>00075 ci.path_len = finfo.<a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a>;
78 <a name="l00076"></a>00076 ci.base = finfo.<a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a>;
79 <a name="l00077"></a>00077 ci.id = finfo.<a class="code" href="structlms__file__info.html#d68ded5c64ae28a4976637f8483e9cfe">id</a>;
80 <a name="l00078"></a>00078 ci.mtime = finfo.<a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a>;
81 <a name="l00079"></a>00079 ci.dtime = finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a>;
82 <a name="l00080"></a>00080 ci.size = finfo.<a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a>;
83 <a name="l00081"></a>00081 ci.flags = flags;
84 <a name="l00082"></a>00082
85 <a name="l00083"></a>00083 <span class="keywordflow">if</span> (write(master-><a class="code" href="structfds.html#d13e19697072e306771103286a8316d0">w</a>, &ci, <span class="keyword">sizeof</span>(ci)) < 0) {
86 <a name="l00084"></a>00084 perror(<span class="stringliteral">"write"</span>);
87 <a name="l00085"></a>00085 <span class="keywordflow">return</span> -1;
88 <a name="l00086"></a>00086 }
89 <a name="l00087"></a>00087
90 <a name="l00088"></a>00088 <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) {
91 <a name="l00089"></a>00089 perror(<span class="stringliteral">"write"</span>);
92 <a name="l00090"></a>00090 <span class="keywordflow">return</span> -1;
93 <a name="l00091"></a>00091 }
94 <a name="l00092"></a>00092
95 <a name="l00093"></a>00093 <span class="keywordflow">return</span> 0;
96 <a name="l00094"></a>00094 }
97 <a name="l00095"></a>00095
98 <a name="l00096"></a>00096 <span class="keyword">static</span> <span class="keywordtype">int</span>
99 <a name="l00097"></a>00097 _master_send_finish(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *master)
100 <a name="l00098"></a>00098 {
101 <a name="l00099"></a>00099 <span class="keyword">struct </span>comm_finfo ci = {-1, -1, -1, -1, -1, -1, 0};
102 <a name="l00100"></a>00100
103 <a name="l00101"></a>00101 <span class="keywordflow">if</span> (write(master-><a class="code" href="structfds.html#d13e19697072e306771103286a8316d0">w</a>, &ci, <span class="keyword">sizeof</span>(ci)) < 0) {
104 <a name="l00102"></a>00102 perror(<span class="stringliteral">"write"</span>);
105 <a name="l00103"></a>00103 <span class="keywordflow">return</span> -1;
106 <a name="l00104"></a>00104 }
107 <a name="l00105"></a>00105
108 <a name="l00106"></a>00106 <span class="keywordflow">return</span> 0;
109 <a name="l00107"></a>00107 }
110 <a name="l00108"></a>00108
111 <a name="l00109"></a>00109 <span class="keyword">static</span> <span class="keywordtype">int</span>
112 <a name="l00110"></a>00110 _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)
113 <a name="l00111"></a>00111 {
114 <a name="l00112"></a>00112 <span class="keywordtype">int</span> r;
115 <a name="l00113"></a>00113
116 <a name="l00114"></a>00114 r = poll(pfd, 1, timeout);
117 <a name="l00115"></a>00115 <span class="keywordflow">if</span> (r < 0) {
118 <a name="l00116"></a>00116 perror(<span class="stringliteral">"poll"</span>);
119 <a name="l00117"></a>00117 <span class="keywordflow">return</span> -1;
120 <a name="l00118"></a>00118 }
121 <a name="l00119"></a>00119
122 <a name="l00120"></a>00120 <span class="keywordflow">if</span> (r == 0)
123 <a name="l00121"></a>00121 <span class="keywordflow">return</span> 1;
124 <a name="l00122"></a>00122
125 <a name="l00123"></a>00123 <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)) {
126 <a name="l00124"></a>00124 perror(<span class="stringliteral">"read"</span>);
127 <a name="l00125"></a>00125 <span class="keywordflow">return</span> -2;
128 <a name="l00126"></a>00126 }
129 <a name="l00127"></a>00127
130 <a name="l00128"></a>00128 <span class="keywordflow">return</span> 0;
131 <a name="l00129"></a>00129 }
132 <a name="l00130"></a>00130
133 <a name="l00131"></a>00131 <span class="keyword">static</span> <span class="keywordtype">int</span>
134 <a name="l00132"></a>00132 _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)
135 <a name="l00133"></a>00133 {
136 <a name="l00134"></a>00134 <span class="keywordflow">if</span> (write(slave-><a class="code" href="structfds.html#d13e19697072e306771103286a8316d0">w</a>, &reply, <span class="keyword">sizeof</span>(reply)) == 0) {
137 <a name="l00135"></a>00135 perror(<span class="stringliteral">"write"</span>);
138 <a name="l00136"></a>00136 <span class="keywordflow">return</span> -1;
139 <a name="l00137"></a>00137 }
140 <a name="l00138"></a>00138 <span class="keywordflow">return</span> 0;
141 <a name="l00139"></a>00139 }
142 <a name="l00140"></a>00140
143 <a name="l00141"></a>00141 <span class="keyword">static</span> <span class="keywordtype">int</span>
144 <a name="l00142"></a>00142 _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)
145 <a name="l00143"></a>00143 {
146 <a name="l00144"></a>00144 <span class="keyword">struct </span>comm_finfo ci;
147 <a name="l00145"></a>00145 <span class="keyword">static</span> <span class="keywordtype">char</span> path[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a> + 1];
148 <a name="l00146"></a>00146 <span class="keywordtype">int</span> r;
149 <a name="l00147"></a>00147
150 <a name="l00148"></a>00148 r = read(slave-><a class="code" href="structfds.html#c49bfa8d58564d4c483eb434b9ff5710">r</a>, &ci, <span class="keyword">sizeof</span>(ci));
151 <a name="l00149"></a>00149 <span class="keywordflow">if</span> (r != <span class="keyword">sizeof</span>(ci)) {
152 <a name="l00150"></a>00150 perror(<span class="stringliteral">"read"</span>);
153 <a name="l00151"></a>00151 <span class="keywordflow">return</span> -1;
154 <a name="l00152"></a>00152 }
155 <a name="l00153"></a>00153
156 <a name="l00154"></a>00154 finfo-><a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> = ci.path_len;
157 <a name="l00155"></a>00155 finfo-><a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a> = ci.base;
158 <a name="l00156"></a>00156 finfo-><a class="code" href="structlms__file__info.html#d68ded5c64ae28a4976637f8483e9cfe">id</a> = ci.id;
159 <a name="l00157"></a>00157 finfo-><a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a> = ci.mtime;
160 <a name="l00158"></a>00158 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = ci.dtime;
161 <a name="l00159"></a>00159 finfo-><a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a> = ci.size;
162 <a name="l00160"></a>00160 finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a> = NULL;
163 <a name="l00161"></a>00161 *flags = ci.flags;
164 <a name="l00162"></a>00162
165 <a name="l00163"></a>00163 <span class="keywordflow">if</span> (ci.path_len == -1)
166 <a name="l00164"></a>00164 <span class="keywordflow">return</span> 0;
167 <a name="l00165"></a>00165
168 <a name="l00166"></a>00166 <span class="keywordflow">if</span> (ci.path_len > <a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a>) {
169 <a name="l00167"></a>00167 fprintf(stderr, <span class="stringliteral">"ERROR: path too long (%d/%d)\n"</span>,
170 <a name="l00168"></a>00168 ci.path_len, <a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a>);
171 <a name="l00169"></a>00169 <span class="keywordflow">return</span> -2;
172 <a name="l00170"></a>00170 }
173 <a name="l00171"></a>00171
174 <a name="l00172"></a>00172 r = read(slave-><a class="code" href="structfds.html#c49bfa8d58564d4c483eb434b9ff5710">r</a>, path, ci.path_len);
175 <a name="l00173"></a>00173 <span class="keywordflow">if</span> (r != ci.path_len) {
176 <a name="l00174"></a>00174 fprintf(stderr, <span class="stringliteral">"ERROR: could not read whole path %d/%d\n"</span>,
177 <a name="l00175"></a>00175 r, ci.path_len);
178 <a name="l00176"></a>00176 <span class="keywordflow">return</span> -3;
179 <a name="l00177"></a>00177 }
180 <a name="l00178"></a>00178
181 <a name="l00179"></a>00179 path[ci.path_len] = 0;
182 <a name="l00180"></a>00180 finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a> = path;
183 <a name="l00181"></a>00181 <span class="keywordflow">return</span> 0;
184 <a name="l00182"></a>00182 }
185 <a name="l00183"></a>00183
186 <a name="l00184"></a>00184
187 <a name="l00185"></a>00185 <span class="comment">/***********************************************************************</span>
188 <a name="l00186"></a>00186 <span class="comment"> * Slave-side.</span>
189 <a name="l00187"></a>00187 <span class="comment"> ***********************************************************************/</span>
190 <a name="l00188"></a>00188
191 <a name="l00189"></a>00189 <span class="keyword">static</span> <span class="keywordtype">int</span>
192 <a name="l00190"></a>00190 _slave_db_compile_all_stmts(<span class="keyword">struct</span> slave_db *db)
193 <a name="l00191"></a>00191 {
194 <a name="l00192"></a>00192 sqlite3 *handle;
195 <a name="l00193"></a>00193
196 <a name="l00194"></a>00194 handle = db->handle;
197 <a name="l00195"></a>00195
198 <a name="l00196"></a>00196 db->transaction_begin = <a class="code" href="lightmediascanner__db__common_8c.html#1787fdaf148358c7a518e91dfd871ca1">lms_db_compile_stmt_begin_transaction</a>(handle);
199 <a name="l00197"></a>00197 <span class="keywordflow">if</span> (!db->transaction_begin)
200 <a name="l00198"></a>00198 <span class="keywordflow">return</span> -1;
201 <a name="l00199"></a>00199
202 <a name="l00200"></a>00200 db->transaction_commit = <a class="code" href="lightmediascanner__db__common_8c.html#bff1aa6077215f3d70d4d5b1a9b7a498">lms_db_compile_stmt_end_transaction</a>(handle);
203 <a name="l00201"></a>00201 <span class="keywordflow">if</span> (!db->transaction_commit)
204 <a name="l00202"></a>00202 <span class="keywordflow">return</span> -2;
205 <a name="l00203"></a>00203
206 <a name="l00204"></a>00204 db->delete_file_info = <a class="code" href="lightmediascanner__db__common_8c.html#559925f8e4d5bf61d1bcf44844a95699">lms_db_compile_stmt_delete_file_info</a>(handle);
207 <a name="l00205"></a>00205 <span class="keywordflow">if</span> (!db->delete_file_info)
208 <a name="l00206"></a>00206 <span class="keywordflow">return</span> -3;
209 <a name="l00207"></a>00207
210 <a name="l00208"></a>00208 db->update_file_info = <a class="code" href="lightmediascanner__db__common_8c.html#1e6e76cfa9d6faa3c3b8035004eff1a0">lms_db_compile_stmt_update_file_info</a>(handle);
211 <a name="l00209"></a>00209 <span class="keywordflow">if</span> (!db->update_file_info)
212 <a name="l00210"></a>00210 <span class="keywordflow">return</span> -4;
213 <a name="l00211"></a>00211
214 <a name="l00212"></a>00212 <span class="keywordflow">return</span> 0;
215 <a name="l00213"></a>00213 }
216 <a name="l00214"></a>00214
217 <a name="l00215"></a>00215 <span class="keyword">static</span> <span class="keyword">struct </span>slave_db *
218 <a name="l00216"></a>00216 _slave_db_open(<span class="keyword">const</span> <span class="keywordtype">char</span> *db_path)
219 <a name="l00217"></a>00217 {
220 <a name="l00218"></a>00218 <span class="keyword">struct </span>slave_db *db;
221 <a name="l00219"></a>00219
222 <a name="l00220"></a>00220 db = calloc(1, <span class="keyword">sizeof</span>(*db));
223 <a name="l00221"></a>00221 <span class="keywordflow">if</span> (!db) {
224 <a name="l00222"></a>00222 perror(<span class="stringliteral">"calloc"</span>);
225 <a name="l00223"></a>00223 <span class="keywordflow">return</span> NULL;
226 <a name="l00224"></a>00224 }
227 <a name="l00225"></a>00225
228 <a name="l00226"></a>00226 <span class="keywordflow">if</span> (sqlite3_open(db_path, &db->handle) != SQLITE_OK) {
229 <a name="l00227"></a>00227 fprintf(stderr, <span class="stringliteral">"ERROR: could not open DB \"%s\": %s\n"</span>,
230 <a name="l00228"></a>00228 db_path, sqlite3_errmsg(db->handle));
231 <a name="l00229"></a>00229 <span class="keywordflow">goto</span> error;
232 <a name="l00230"></a>00230 }
233 <a name="l00231"></a>00231
234 <a name="l00232"></a>00232 <span class="keywordflow">return</span> db;
235 <a name="l00233"></a>00233
236 <a name="l00234"></a>00234 error:
237 <a name="l00235"></a>00235 sqlite3_close(db->handle);
238 <a name="l00236"></a>00236 free(db);
239 <a name="l00237"></a>00237 <span class="keywordflow">return</span> NULL;
240 <a name="l00238"></a>00238 }
241 <a name="l00239"></a>00239
242 <a name="l00240"></a>00240 <span class="keyword">static</span> <span class="keywordtype">int</span>
243 <a name="l00241"></a>00241 _slave_db_close(<span class="keyword">struct</span> slave_db *db)
244 <a name="l00242"></a>00242 {
245 <a name="l00243"></a>00243 <span class="keywordflow">if</span> (db->transaction_begin)
246 <a name="l00244"></a>00244 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->transaction_begin, <span class="stringliteral">"transaction_begin"</span>);
247 <a name="l00245"></a>00245
248 <a name="l00246"></a>00246 <span class="keywordflow">if</span> (db->transaction_commit)
249 <a name="l00247"></a>00247 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->transaction_commit, <span class="stringliteral">"transaction_commit"</span>);
250 <a name="l00248"></a>00248
251 <a name="l00249"></a>00249 <span class="keywordflow">if</span> (db->delete_file_info)
252 <a name="l00250"></a>00250 <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>);
253 <a name="l00251"></a>00251
254 <a name="l00252"></a>00252 <span class="keywordflow">if</span> (db->update_file_info)
255 <a name="l00253"></a>00253 <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>);
256 <a name="l00254"></a>00254
257 <a name="l00255"></a>00255 <span class="keywordflow">if</span> (sqlite3_close(db->handle) != SQLITE_OK) {
258 <a name="l00256"></a>00256 fprintf(stderr, <span class="stringliteral">"ERROR: clould not close DB (slave): %s\n"</span>,
259 <a name="l00257"></a>00257 sqlite3_errmsg(db->handle));
260 <a name="l00258"></a>00258 <span class="keywordflow">return</span> -1;
261 <a name="l00259"></a>00259 }
262 <a name="l00260"></a>00260 free(db);
263 <a name="l00261"></a>00261
264 <a name="l00262"></a>00262 <span class="keywordflow">return</span> 0;
265 <a name="l00263"></a>00263 }
266 <a name="l00264"></a>00264
267 <a name="l00265"></a>00265 <span class="keyword">static</span> <span class="keywordtype">int</span>
268 <a name="l00266"></a>00266 _init_sync_send(<span class="keyword">struct</span> <a class="code" href="structfds.html">fds</a> *<a class="code" href="structfds.html">fds</a>)
269 <a name="l00267"></a>00267 {
270 <a name="l00268"></a>00268 <span class="keywordflow">return</span> _slave_send_reply(fds, 0);
271 <a name="l00269"></a>00269 }
272 <a name="l00270"></a>00270
273 <a name="l00271"></a>00271 <span class="keyword">static</span> <span class="keywordtype">int</span>
274 <a name="l00272"></a>00272 _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)
275 <a name="l00273"></a>00273 {
276 <a name="l00274"></a>00274 <span class="keyword">struct </span><a class="code" href="structlms__file__info.html">lms_file_info</a> finfo;
277 <a name="l00275"></a>00275 <span class="keywordtype">void</span> **parser_match;
278 <a name="l00276"></a>00276 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counter, flags;
279 <a name="l00277"></a>00277 <span class="keywordtype">int</span> r;
280 <a name="l00278"></a>00278
281 <a name="l00279"></a>00279 parser_match = malloc(lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> * <span class="keyword">sizeof</span>(*parser_match));
282 <a name="l00280"></a>00280 <span class="keywordflow">if</span> (!parser_match) {
283 <a name="l00281"></a>00281 perror(<span class="stringliteral">"malloc"</span>);
284 <a name="l00282"></a>00282 <span class="keywordflow">return</span> -6;
285 <a name="l00283"></a>00283 }
286 <a name="l00284"></a>00284
287 <a name="l00285"></a>00285 _init_sync_send(fds);
288 <a name="l00286"></a>00286
289 <a name="l00287"></a>00287 counter = 0;
290 <a name="l00288"></a>00288 <a class="code" href="lightmediascanner__db__common_8c.html#5ff807216285c93325ffaf33361dd6fc">lms_db_begin_transaction</a>(db->transaction_begin);
291 <a name="l00289"></a>00289
292 <a name="l00290"></a>00290 <span class="keywordflow">while</span> (((r = _slave_recv_file(fds, &finfo, &flags)) == 0) &&
293 <a name="l00291"></a>00291 finfo.<a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> > 0) {
294 <a name="l00292"></a>00292 r = <a class="code" href="lightmediascanner__db__common_8c.html#0f727cd41bbb90af2e08b3ee7ca76de9">lms_db_update_file_info</a>(db->update_file_info, &finfo);
295 <a name="l00293"></a>00293 <span class="keywordflow">if</span> (r < 0)
296 <a name="l00294"></a>00294 fprintf(stderr, <span class="stringliteral">"ERROR: could not update path in DB\n"</span>);
297 <a name="l00295"></a>00295 <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>) {
298 <a name="l00296"></a>00296 <span class="keywordtype">int</span> used;
299 <a name="l00297"></a>00297
300 <a name="l00298"></a>00298 used = <a class="code" href="lightmediascanner__private_8h.html#f92504ffd52b8b1d7d90b786af90d1ef">lms_parsers_check_using</a>(lms, parser_match, &finfo);
301 <a name="l00299"></a>00299 <span class="keywordflow">if</span> (!used)
302 <a name="l00300"></a>00300 r = 0;
303 <a name="l00301"></a>00301 <span class="keywordflow">else</span> {
304 <a name="l00302"></a>00302 r = <a class="code" href="lightmediascanner__private_8h.html#f61d9ef6ae2e576705bbd445db919e6c">lms_parsers_run</a>(lms, db->handle, parser_match, &finfo);
305 <a name="l00303"></a>00303 <span class="keywordflow">if</span> (r < 0) {
306 <a name="l00304"></a>00304 fprintf(stderr, <span class="stringliteral">"ERROR: pid=%d failed to parse \"%s\".\n"</span>,
307 <a name="l00305"></a>00305 getpid(), finfo.<a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>);
308 <a name="l00306"></a>00306 <a class="code" href="lightmediascanner__db__common_8c.html#bb2a9cdbbc7680d1ec85ef3f086b3f63">lms_db_delete_file_info</a>(db->delete_file_info, &finfo);
309 <a name="l00307"></a>00307 }
310 <a name="l00308"></a>00308 }
311 <a name="l00309"></a>00309 }
312 <a name="l00310"></a>00310
313 <a name="l00311"></a>00311 _slave_send_reply(fds, r);
314 <a name="l00312"></a>00312 counter++;
315 <a name="l00313"></a>00313 <span class="keywordflow">if</span> (counter > lms-><a class="code" href="structlms.html#1dc82aac2ab3ff643027878bb1aa3cb8">commit_interval</a>) {
316 <a name="l00314"></a>00314 <a class="code" href="lightmediascanner__db__common_8c.html#ffa877e4fa751f090e7af8c2025d245c">lms_db_end_transaction</a>(db->transaction_commit);
317 <a name="l00315"></a>00315 <a class="code" href="lightmediascanner__db__common_8c.html#5ff807216285c93325ffaf33361dd6fc">lms_db_begin_transaction</a>(db->transaction_begin);
318 <a name="l00316"></a>00316 counter = 0;
319 <a name="l00317"></a>00317 }
320 <a name="l00318"></a>00318 }
321 <a name="l00319"></a>00319
322 <a name="l00320"></a>00320 free(parser_match);
323 <a name="l00321"></a>00321 <a class="code" href="lightmediascanner__db__common_8c.html#ffa877e4fa751f090e7af8c2025d245c">lms_db_end_transaction</a>(db->transaction_commit);
324 <a name="l00322"></a>00322
325 <a name="l00323"></a>00323 <span class="keywordflow">return</span> r;
326 <a name="l00324"></a>00324 }
327 <a name="l00325"></a>00325
328 <a name="l00326"></a>00326 <span class="keyword">static</span> <span class="keywordtype">int</span>
329 <a name="l00327"></a>00327 _slave_work(<a class="code" href="structlms.html">lms_t</a> *lms, <span class="keyword">struct</span> fds *fds)
330 <a name="l00328"></a>00328 {
331 <a name="l00329"></a>00329 <span class="keyword">struct </span>slave_db *db;
332 <a name="l00330"></a>00330 <span class="keywordtype">int</span> r;
333 <a name="l00331"></a>00331
334 <a name="l00332"></a>00332 db = _slave_db_open(lms-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>);
335 <a name="l00333"></a>00333 <span class="keywordflow">if</span> (!db)
336 <a name="l00334"></a>00334 <span class="keywordflow">return</span> -1;
337 <a name="l00335"></a>00335
338 <a name="l00336"></a>00336 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#028ef9d19863e8d0ebac1b84b1cb9174">lms_parsers_setup</a>(lms, db->handle) != 0) {
339 <a name="l00337"></a>00337 fprintf(stderr, <span class="stringliteral">"ERROR: could not setup parsers.\n"</span>);
340 <a name="l00338"></a>00338 r = -2;
341 <a name="l00339"></a>00339 <span class="keywordflow">goto</span> end;
342 <a name="l00340"></a>00340 }
343 <a name="l00341"></a>00341
344 <a name="l00342"></a>00342 <span class="keywordflow">if</span> (_slave_db_compile_all_stmts(db) != 0) {
345 <a name="l00343"></a>00343 fprintf(stderr, <span class="stringliteral">"ERROR: could not compile statements.\n"</span>);
346 <a name="l00344"></a>00344 r = -3;
347 <a name="l00345"></a>00345 <span class="keywordflow">goto</span> end;
348 <a name="l00346"></a>00346 }
349 <a name="l00347"></a>00347
350 <a name="l00348"></a>00348 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#2c1f40ac6080c682c2f71172cc76f7e0">lms_parsers_start</a>(lms, db->handle) != 0) {
351 <a name="l00349"></a>00349 fprintf(stderr, <span class="stringliteral">"ERROR: could not start parsers.\n"</span>);
352 <a name="l00350"></a>00350 r = -4;
353 <a name="l00351"></a>00351 <span class="keywordflow">goto</span> end;
354 <a name="l00352"></a>00352 }
355 <a name="l00353"></a>00353 <span class="keywordflow">if</span> (lms-><a class="code" href="structlms.html#9cdd3a937a0a2bd4515e9e888bb519e3">n_parsers</a> < 1) {
356 <a name="l00354"></a>00354 fprintf(stderr, <span class="stringliteral">"ERROR: no parser could be started, exit.\n"</span>);
357 <a name="l00355"></a>00355 r = -5;
358 <a name="l00356"></a>00356 <span class="keywordflow">goto</span> end;
359 <a name="l00357"></a>00357 }
360 <a name="l00358"></a>00358
361 <a name="l00359"></a>00359 r = _slave_work_int(lms, fds, db);
362 <a name="l00360"></a>00360
363 <a name="l00361"></a>00361 end:
364 <a name="l00362"></a>00362 <a class="code" href="lightmediascanner__private_8h.html#74adcb264b3092f3ae9249de93f9130f">lms_parsers_finish</a>(lms, db->handle);
365 <a name="l00363"></a>00363 _slave_db_close(db);
366 <a name="l00364"></a>00364 _init_sync_send(fds);
367 <a name="l00365"></a>00365
368 <a name="l00366"></a>00366 <span class="keywordflow">return</span> r;
369 <a name="l00367"></a>00367 }
370 <a name="l00368"></a>00368
371 <a name="l00369"></a>00369
372 <a name="l00370"></a>00370 <span class="comment">/***********************************************************************</span>
373 <a name="l00371"></a>00371 <span class="comment"> * Master-side.</span>
374 <a name="l00372"></a>00372 <span class="comment"> ***********************************************************************/</span>
375 <a name="l00373"></a>00373
376 <a name="l00374"></a>00374 <span class="keyword">static</span> <span class="keywordtype">int</span>
377 <a name="l00375"></a>00375 _master_db_compile_all_stmts(<span class="keyword">struct</span> master_db *db)
378 <a name="l00376"></a>00376 {
379 <a name="l00377"></a>00377 sqlite3 *handle;
380 <a name="l00378"></a>00378
381 <a name="l00379"></a>00379 handle = db->handle;
382 <a name="l00380"></a>00380
383 <a name="l00381"></a>00381 db->get_files = <a class="code" href="lightmediascanner__db__common_8c.html#73ae2cfd7babf80294cf31f02906223b">lms_db_compile_stmt_get_files</a>(handle);
384 <a name="l00382"></a>00382 <span class="keywordflow">if</span> (!db->get_files)
385 <a name="l00383"></a>00383 <span class="keywordflow">return</span> -1;
386 <a name="l00384"></a>00384
387 <a name="l00385"></a>00385 <span class="keywordflow">return</span> 0;
388 <a name="l00386"></a>00386 }
389 <a name="l00387"></a>00387
390 <a name="l00388"></a>00388 <span class="keyword">static</span> <span class="keyword">struct </span>master_db *
391 <a name="l00389"></a>00389 _master_db_open(<span class="keyword">const</span> <span class="keywordtype">char</span> *db_path)
392 <a name="l00390"></a>00390 {
393 <a name="l00391"></a>00391 <span class="keyword">struct </span>master_db *db;
394 <a name="l00392"></a>00392
395 <a name="l00393"></a>00393 db = calloc(1, <span class="keyword">sizeof</span>(*db));
396 <a name="l00394"></a>00394 <span class="keywordflow">if</span> (!db) {
397 <a name="l00395"></a>00395 perror(<span class="stringliteral">"calloc"</span>);
398 <a name="l00396"></a>00396 <span class="keywordflow">return</span> NULL;
399 <a name="l00397"></a>00397 }
400 <a name="l00398"></a>00398
401 <a name="l00399"></a>00399 <span class="keywordflow">if</span> (sqlite3_open(db_path, &db->handle) != SQLITE_OK) {
402 <a name="l00400"></a>00400 fprintf(stderr, <span class="stringliteral">"ERROR: could not open DB \"%s\": %s\n"</span>,
403 <a name="l00401"></a>00401 db_path, sqlite3_errmsg(db->handle));
404 <a name="l00402"></a>00402 <span class="keywordflow">goto</span> error;
405 <a name="l00403"></a>00403 }
406 <a name="l00404"></a>00404
407 <a name="l00405"></a>00405 <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) {
408 <a name="l00406"></a>00406 fprintf(stderr, <span class="stringliteral">"ERROR: could not setup tables and indexes.\n"</span>);
409 <a name="l00407"></a>00407 <span class="keywordflow">goto</span> error;
410 <a name="l00408"></a>00408 }
411 <a name="l00409"></a>00409
412 <a name="l00410"></a>00410 <span class="keywordflow">if</span> (_master_db_compile_all_stmts(db) != 0) {
413 <a name="l00411"></a>00411 fprintf(stderr, <span class="stringliteral">"ERROR: could not compile statements.\n"</span>);
414 <a name="l00412"></a>00412 <span class="keywordflow">goto</span> error;
415 <a name="l00413"></a>00413 }
416 <a name="l00414"></a>00414
417 <a name="l00415"></a>00415 <span class="keywordflow">return</span> db;
418 <a name="l00416"></a>00416
419 <a name="l00417"></a>00417 error:
420 <a name="l00418"></a>00418 sqlite3_close(db->handle);
421 <a name="l00419"></a>00419 free(db);
422 <a name="l00420"></a>00420 <span class="keywordflow">return</span> NULL;
423 <a name="l00421"></a>00421 }
424 <a name="l00422"></a>00422
425 <a name="l00423"></a>00423 <span class="keyword">static</span> <span class="keywordtype">int</span>
426 <a name="l00424"></a>00424 _master_db_close(<span class="keyword">struct</span> master_db *db)
427 <a name="l00425"></a>00425 {
428 <a name="l00426"></a>00426 <span class="keywordflow">if</span> (db->get_files)
429 <a name="l00427"></a>00427 <a class="code" href="lightmediascanner__db__common_8c.html#32110a4825e598ca6df329f55b0b62b5">lms_db_finalize_stmt</a>(db->get_files, <span class="stringliteral">"get_files"</span>);
430 <a name="l00428"></a>00428
431 <a name="l00429"></a>00429 <span class="keywordflow">if</span> (sqlite3_close(db->handle) != SQLITE_OK) {
432 <a name="l00430"></a>00430 fprintf(stderr, <span class="stringliteral">"ERROR: clould not close DB (master): %s\n"</span>,
433 <a name="l00431"></a>00431 sqlite3_errmsg(db->handle));
434 <a name="l00432"></a>00432 <span class="keywordflow">return</span> -1;
435 <a name="l00433"></a>00433 }
436 <a name="l00434"></a>00434 free(db);
437 <a name="l00435"></a>00435
438 <a name="l00436"></a>00436 <span class="keywordflow">return</span> 0;
439 <a name="l00437"></a>00437 }
440 <a name="l00438"></a>00438
441 <a name="l00439"></a>00439 <span class="keyword">static</span> <span class="keywordtype">void</span>
442 <a name="l00440"></a>00440 _calc_base(<span class="keyword">struct</span> <a class="code" href="structlms__file__info.html">lms_file_info</a> *finfo)
443 <a name="l00441"></a>00441 {
444 <a name="l00442"></a>00442 <span class="keywordtype">int</span> i;
445 <a name="l00443"></a>00443
446 <a name="l00444"></a>00444 <span class="keywordflow">for</span> (i = finfo-><a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> - 1; i >= 0; i--)
447 <a name="l00445"></a>00445 <span class="keywordflow">if</span> (finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>[i] == <span class="charliteral">'/'</span>) {
448 <a name="l00446"></a>00446 finfo-><a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a> = i;
449 <a name="l00447"></a>00447 <span class="keywordflow">return</span>;
450 <a name="l00448"></a>00448 }
451 <a name="l00449"></a>00449 }
452 <a name="l00450"></a>00450
453 <a name="l00451"></a>00451 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>
454 <a name="l00452"></a>00452 _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)
455 <a name="l00453"></a>00453 {
456 <a name="l00454"></a>00454 finfo-><a class="code" href="structlms__file__info.html#d68ded5c64ae28a4976637f8483e9cfe">id</a> = sqlite3_column_int64(stmt, 0);
457 <a name="l00455"></a>00455 finfo-><a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a> = sqlite3_column_blob(stmt, 1);
458 <a name="l00456"></a>00456 finfo-><a class="code" href="structlms__file__info.html#9d74df2696cfd0f516e61e9db2b35731">path_len</a> = sqlite3_column_bytes(stmt, 1);
459 <a name="l00457"></a>00457 finfo-><a class="code" href="structlms__file__info.html#ccc82711360714ff6ccd373fb7a42112">base</a> = 0;
460 <a name="l00458"></a>00458 finfo-><a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a> = sqlite3_column_int(stmt, 2);
461 <a name="l00459"></a>00459 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = sqlite3_column_int(stmt, 3);
462 <a name="l00460"></a>00460 finfo-><a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a> = sqlite3_column_int(stmt, 4);
463 <a name="l00461"></a>00461 }
464 <a name="l00462"></a>00462
465 <a name="l00463"></a>00463 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span>
466 <a name="l00464"></a>00464 _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)
467 <a name="l00465"></a>00465 {
468 <a name="l00466"></a>00466 finfo-><a class="code" href="structlms__file__info.html#4aa878eefdde84541021087192b9dacd">mtime</a> = st->st_mtime;
469 <a name="l00467"></a>00467 finfo-><a class="code" href="structlms__file__info.html#b318b81fc934636a904f5d84efe8c1ee">size</a> = st->st_size;
470 <a name="l00468"></a>00468 finfo-><a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = 0;
471 <a name="l00469"></a>00469 }
472 <a name="l00470"></a>00470
473 <a name="l00471"></a>00471 <span class="keyword">static</span> <span class="keywordtype">int</span>
474 <a name="l00472"></a>00472 _check_row(<span class="keyword">struct</span> master_db *db, <span class="keyword">struct</span> <a class="code" href="structpinfo.html">pinfo</a> *<a class="code" href="structpinfo.html">pinfo</a>)
475 <a name="l00473"></a>00473 {
476 <a name="l00474"></a>00474 <span class="keyword">struct </span><a class="code" href="structlms__file__info.html">lms_file_info</a> finfo;
477 <a name="l00475"></a>00475 <span class="keyword">struct </span>stat st;
478 <a name="l00476"></a>00476 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags;
479 <a name="l00477"></a>00477 <span class="keywordtype">int</span> r, reply;
480 <a name="l00478"></a>00478
481 <a name="l00479"></a>00479 _update_finfo_from_stmt(&finfo, db->get_files);
482 <a name="l00480"></a>00480
483 <a name="l00481"></a>00481 flags = 0;
484 <a name="l00482"></a>00482 <span class="keywordflow">if</span> (stat(finfo.<a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>, &st) == 0) {
485 <a name="l00483"></a>00483 <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>) {
486 <a name="l00484"></a>00484 <span class="keywordflow">if</span> (finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> == 0)
487 <a name="l00485"></a>00485 <span class="keywordflow">return</span> 0;
488 <a name="l00486"></a>00486 <span class="keywordflow">else</span>
489 <a name="l00487"></a>00487 finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = 0;
490 <a name="l00488"></a>00488 } <span class="keywordflow">else</span> {
491 <a name="l00489"></a>00489 _update_finfo_from_stat(&finfo, &st);
492 <a name="l00490"></a>00490 flags |= COMM_FINFO_FLAG_OUTDATED;
493 <a name="l00491"></a>00491 }
494 <a name="l00492"></a>00492 } <span class="keywordflow">else</span> {
495 <a name="l00493"></a>00493 <span class="keywordflow">if</span> (finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a>)
496 <a name="l00494"></a>00494 <span class="keywordflow">return</span> 0;
497 <a name="l00495"></a>00495 <span class="keywordflow">else</span>
498 <a name="l00496"></a>00496 finfo.<a class="code" href="structlms__file__info.html#570ae808983e67ae7b22a2fec892cffd">dtime</a> = time(NULL);
499 <a name="l00497"></a>00497 }
500 <a name="l00498"></a>00498
501 <a name="l00499"></a>00499 _calc_base(&finfo);
502 <a name="l00500"></a>00500
503 <a name="l00501"></a>00501 <span class="keywordflow">if</span> (_master_send_file(&pinfo-><a class="code" href="structpinfo.html#246dfd29e81101866ccb01cc70224156">master</a>, finfo, flags) != 0)
504 <a name="l00502"></a>00502 <span class="keywordflow">return</span> -1;
505 <a name="l00503"></a>00503
506 <a name="l00504"></a>00504 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,
507 <a name="l00505"></a>00505 pinfo-><a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>-><a class="code" href="structlms.html#0f545adf2fc37994b7f55f7ea7aac555">slave_timeout</a>);
508 <a name="l00506"></a>00506 <span class="keywordflow">if</span> (r < 0)
509 <a name="l00507"></a>00507 <span class="keywordflow">return</span> -2;
510 <a name="l00508"></a>00508 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == 1) {
511 <a name="l00509"></a>00509 fprintf(stderr, <span class="stringliteral">"ERROR: slave took too long, restart %d\n"</span>,
512 <a name="l00510"></a>00510 pinfo-><a class="code" href="structpinfo.html#d31b28f6373d19531cd208c4c2a71a51">child</a>);
513 <a name="l00511"></a>00511 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#dd61370f42f0c32e3b9d5c86303c3c58">lms_restart_slave</a>(pinfo, _slave_work) != 0)
514 <a name="l00512"></a>00512 <span class="keywordflow">return</span> -3;
515 <a name="l00513"></a>00513 <span class="keywordflow">return</span> 1;
516 <a name="l00514"></a>00514 } <span class="keywordflow">else</span> {
517 <a name="l00515"></a>00515 <span class="keywordflow">if</span> (reply < 0) {
518 <a name="l00516"></a>00516 <span class="comment">/* XXX callback library users to inform error. */</span>
519 <a name="l00517"></a>00517 fprintf(stderr, <span class="stringliteral">"ERROR: pid=%d failed to parse \"%s\".\n"</span>,
520 <a name="l00518"></a>00518 getpid(), finfo.<a class="code" href="structlms__file__info.html#1fa6966afec95bbb00ee01f345948e44">path</a>);
521 <a name="l00519"></a>00519 <span class="keywordflow">return</span> (-reply) << 8;
522 <a name="l00520"></a>00520 } <span class="keywordflow">else</span>
523 <a name="l00521"></a>00521 <span class="keywordflow">return</span> reply;
524 <a name="l00522"></a>00522 }
525 <a name="l00523"></a>00523 }
526 <a name="l00524"></a>00524
527 <a name="l00525"></a>00525 <span class="keyword">static</span> <span class="keywordtype">int</span>
528 <a name="l00526"></a>00526 _init_sync_wait(<span class="keyword">struct</span> pinfo *pinfo, <span class="keywordtype">int</span> restart)
529 <a name="l00527"></a>00527 {
530 <a name="l00528"></a>00528 <span class="keywordtype">int</span> r, reply;
531 <a name="l00529"></a>00529
532 <a name="l00530"></a>00530 <span class="keywordflow">do</span> {
533 <a name="l00531"></a>00531 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,
534 <a name="l00532"></a>00532 pinfo-><a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>-><a class="code" href="structlms.html#0f545adf2fc37994b7f55f7ea7aac555">slave_timeout</a>);
535 <a name="l00533"></a>00533 <span class="keywordflow">if</span> (r < 0)
536 <a name="l00534"></a>00534 <span class="keywordflow">return</span> -1;
537 <a name="l00535"></a>00535 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == 1 && restart) {
538 <a name="l00536"></a>00536 fprintf(stderr, <span class="stringliteral">"ERROR: slave took too long, restart %d\n"</span>,
539 <a name="l00537"></a>00537 pinfo-><a class="code" href="structpinfo.html#d31b28f6373d19531cd208c4c2a71a51">child</a>);
540 <a name="l00538"></a>00538 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#dd61370f42f0c32e3b9d5c86303c3c58">lms_restart_slave</a>(pinfo, _slave_work) != 0)
541 <a name="l00539"></a>00539 <span class="keywordflow">return</span> -2;
542 <a name="l00540"></a>00540 }
543 <a name="l00541"></a>00541 } <span class="keywordflow">while</span> (r != 0 && restart);
544 <a name="l00542"></a>00542
545 <a name="l00543"></a>00543 <span class="keywordflow">return</span> r;
546 <a name="l00544"></a>00544 }
547 <a name="l00545"></a>00545
548 <a name="l00546"></a>00546 <span class="keyword">static</span> <span class="keywordtype">int</span>
549 <a name="l00547"></a>00547 _master_dummy_send_finish(<span class="keyword">const</span> <span class="keyword">struct</span> fds *master)
550 <a name="l00548"></a>00548 {
551 <a name="l00549"></a>00549 <span class="keywordflow">return</span> 0;
552 <a name="l00550"></a>00550 }
553 <a name="l00551"></a>00551
554 <a name="l00552"></a>00552 <span class="keyword">static</span> <span class="keywordtype">int</span>
555 <a name="l00553"></a>00553 _check(<span class="keyword">struct</span> pinfo *pinfo, <span class="keywordtype">int</span> len, <span class="keywordtype">char</span> *path)
556 <a name="l00554"></a>00554 {
557 <a name="l00555"></a>00555 <span class="keywordtype">char</span> query[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a> + 2];
558 <a name="l00556"></a>00556 <span class="keyword">struct </span>master_db *db;
559 <a name="l00557"></a>00557 <span class="keywordtype">int</span> r, ret;
560 <a name="l00558"></a>00558
561 <a name="l00559"></a>00559 db = _master_db_open(pinfo-><a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>-><a class="code" href="structlms.html#02e767169813808f193c23733ba89b4b">db_path</a>);
562 <a name="l00560"></a>00560 <span class="keywordflow">if</span> (!db)
563 <a name="l00561"></a>00561 <span class="keywordflow">return</span> -1;
564 <a name="l00562"></a>00562
565 <a name="l00563"></a>00563 memcpy(query, path, len);
566 <a name="l00564"></a>00564 query[len] = <span class="charliteral">'%'</span>;
567 <a name="l00565"></a>00565 query[len + 1] = <span class="charliteral">'\0'</span>;
568 <a name="l00566"></a>00566 ret = <a class="code" href="lightmediascanner__db__common_8c.html#df572e74e0821a66ebd16f575b4fb7c4">lms_db_get_files</a>(db->get_files, query, len + 1);
569 <a name="l00567"></a>00567 <span class="keywordflow">if</span> (ret != 0)
570 <a name="l00568"></a>00568 <span class="keywordflow">goto</span> end;
571 <a name="l00569"></a>00569
572 <a name="l00570"></a>00570 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#439b3c62e96d472bdb2125a0a04d4fa6">lms_create_slave</a>(pinfo, _slave_work) != 0) {
573 <a name="l00571"></a>00571 ret = -2;
574 <a name="l00572"></a>00572 <span class="keywordflow">goto</span> end;
575 <a name="l00573"></a>00573 }
576 <a name="l00574"></a>00574 _init_sync_wait(pinfo, 1);
577 <a name="l00575"></a>00575
578 <a name="l00576"></a>00576 <span class="keywordflow">do</span> {
579 <a name="l00577"></a>00577 r = sqlite3_step(db->get_files);
580 <a name="l00578"></a>00578 <span class="keywordflow">if</span> (r == SQLITE_ROW) {
581 <a name="l00579"></a>00579 <span class="keywordflow">if</span> (_check_row(db, pinfo) < 0) {
582 <a name="l00580"></a>00580 fprintf(stderr, <span class="stringliteral">"ERROR: could not check row.\n"</span>);
583 <a name="l00581"></a>00581 ret = -1;
584 <a name="l00582"></a>00582 <span class="keywordflow">goto</span> finish_slave;
585 <a name="l00583"></a>00583 }
586 <a name="l00584"></a>00584 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r != SQLITE_DONE) {
587 <a name="l00585"></a>00585 fprintf(stderr, <span class="stringliteral">"ERROR: could not begin transaction: %s\n"</span>,
588 <a name="l00586"></a>00586 sqlite3_errmsg(db->handle));
589 <a name="l00587"></a>00587 ret = -2;
590 <a name="l00588"></a>00588 <span class="keywordflow">goto</span> finish_slave;
591 <a name="l00589"></a>00589 }
592 <a name="l00590"></a>00590 } <span class="keywordflow">while</span> (r != SQLITE_DONE);
593 <a name="l00591"></a>00591 ret = 0;
594 <a name="l00592"></a>00592
595 <a name="l00593"></a>00593 finish_slave:
596 <a name="l00594"></a>00594 _master_send_finish(&pinfo-><a class="code" href="structpinfo.html#246dfd29e81101866ccb01cc70224156">master</a>);
597 <a name="l00595"></a>00595 _init_sync_wait(pinfo, 0);
598 <a name="l00596"></a>00596 <a class="code" href="lightmediascanner__private_8h.html#dd3853bb333e8bee167477933a058ae5">lms_finish_slave</a>(pinfo, _master_dummy_send_finish);
599 <a name="l00597"></a>00597
600 <a name="l00598"></a>00598 end:
601 <a name="l00599"></a>00599 <a class="code" href="lightmediascanner__db__common_8c.html#226c6f7ab2e7923b747b7090357ea419">lms_db_reset_stmt</a>(db->get_files);
602 <a name="l00600"></a>00600 _master_db_close(db);
603 <a name="l00601"></a>00601
604 <a name="l00602"></a>00602 <span class="keywordflow">return</span> ret;
605 <a name="l00603"></a>00603 }
606 <a name="l00604"></a>00604
607 <a name="l00617"></a>00617 <span class="keywordtype">int</span>
608 <a name="l00618"></a><a class="code" href="lightmediascanner__check_8c.html#859492d896e816498edb471315efced1">00618</a> <a class="code" href="lightmediascanner_8h.html#890f1af4c54c88a63abdbeff5ecd49a3">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)
609 <a name="l00619"></a>00619 {
610 <a name="l00620"></a>00620 <span class="keyword">struct </span>pinfo pinfo;
611 <a name="l00621"></a>00621 <span class="keywordtype">int</span> r;
612 <a name="l00622"></a>00622 <span class="keywordtype">char</span> path[<a class="code" href="lightmediascanner__private_8h.html#e78bf7e06bbba1c42b740fef55cf20f8">PATH_SIZE</a>];
613 <a name="l00623"></a>00623
614 <a name="l00624"></a>00624 <span class="keywordflow">if</span> (!<a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>) {
615 <a name="l00625"></a>00625 r = -1;
616 <a name="l00626"></a>00626 <span class="keywordflow">goto</span> end;
617 <a name="l00627"></a>00627 }
618 <a name="l00628"></a>00628
619 <a name="l00629"></a>00629 <span class="keywordflow">if</span> (!top_path) {
620 <a name="l00630"></a>00630 r = -2;
621 <a name="l00631"></a>00631 <span class="keywordflow">goto</span> end;
622 <a name="l00632"></a>00632 }
623 <a name="l00633"></a>00633
624 <a name="l00634"></a>00634 <span class="keywordflow">if</span> (<a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a>) {
625 <a name="l00635"></a>00635 fprintf(stderr, <span class="stringliteral">"ERROR: is already processing.\n"</span>);
626 <a name="l00636"></a>00636 r = -3;
627 <a name="l00637"></a>00637 <span class="keywordflow">goto</span> end;
628 <a name="l00638"></a>00638 }
629 <a name="l00639"></a>00639
630 <a name="l00640"></a>00640 <span class="keywordflow">if</span> (!<a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>-><a class="code" href="structlms.html#52883423c9a1276420ba2bb9b50a138c">parsers</a>) {
631 <a name="l00641"></a>00641 fprintf(stderr, <span class="stringliteral">"ERROR: no plugins registered.\n"</span>);
632 <a name="l00642"></a>00642 r = -4;
633 <a name="l00643"></a>00643 <span class="keywordflow">goto</span> end;
634 <a name="l00644"></a>00644 }
635 <a name="l00645"></a>00645
636 <a name="l00646"></a>00646 pinfo.<a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a> = <a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>;
637 <a name="l00647"></a>00647
638 <a name="l00648"></a>00648 <span class="keywordflow">if</span> (<a class="code" href="lightmediascanner__private_8h.html#a5952b7aae2fa795396a5a286c2ee4a4">lms_create_pipes</a>(&pinfo) != 0) {
639 <a name="l00649"></a>00649 r = -5;
640 <a name="l00650"></a>00650 <span class="keywordflow">goto</span> end;
641 <a name="l00651"></a>00651 }
642 <a name="l00652"></a>00652
643 <a name="l00653"></a>00653 <span class="keywordflow">if</span> (realpath(top_path, path) == NULL) {
644 <a name="l00654"></a>00654 perror(<span class="stringliteral">"realpath"</span>);
645 <a name="l00655"></a>00655 r = -6;
646 <a name="l00656"></a>00656 <span class="keywordflow">goto</span> close_pipes;
647 <a name="l00657"></a>00657 }
648 <a name="l00658"></a>00658
649 <a name="l00659"></a>00659 <a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a> = 1;
650 <a name="l00660"></a>00660 r = _check(&pinfo, strlen(path), path);
651 <a name="l00661"></a>00661 <a class="code" href="structpinfo.html#9958e1d447ffadf40c871a6cdaa86b4c">lms</a>-><a class="code" href="structlms.html#bb03533445b77299e964b2ec02bca039">is_processing</a> = 0;
652 <a name="l00662"></a>00662
653 <a name="l00663"></a>00663 close_pipes:
654 <a name="l00664"></a>00664 <a class="code" href="lightmediascanner__private_8h.html#8c1aa0a9d9bb796db279caeb97e04eed">lms_close_pipes</a>(&pinfo);
655 <a name="l00665"></a>00665 end:
656 <a name="l00666"></a>00666 <span class="keywordflow">return</span> r;
657 <a name="l00667"></a>00667 }
658 </pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Dec 13 02:04:03 2007 for Light Media Scanner by
659 <a href="http://www.doxygen.org/index.html">
660 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address>
projects / lms / blob