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00023 #include "asterisk.h"
00024
00025 #include "asterisk/adsi.h"
00026 #include "asterisk/lock.h"
00027
00028 static const struct adsi_funcs *installed_funcs;
00029 static const int current_adsi_version = AST_ADSI_VERSION;
00030 AST_RWLOCK_DEFINE_STATIC(func_lock);
00031
00032 int ast_adsi_begin_download(struct ast_channel *chan, char *service, unsigned char *fdn, unsigned char *sec, int version)
00033 {
00034 int res = 0;
00035 ast_rwlock_rdlock(&func_lock);
00036 if (installed_funcs && installed_funcs->begin_download) {
00037 res = installed_funcs->begin_download(chan, service, fdn, sec, version);
00038 }
00039 ast_rwlock_unlock(&func_lock);
00040 return res;
00041 }
00042
00043 int ast_adsi_end_download(struct ast_channel *chan)
00044 {
00045 int res = 0;
00046 ast_rwlock_rdlock(&func_lock);
00047 if (installed_funcs && installed_funcs->end_download) {
00048 res = installed_funcs->end_download(chan);
00049 }
00050 ast_rwlock_unlock(&func_lock);
00051 return res;
00052 }
00053
00054 int ast_adsi_channel_restore(struct ast_channel *chan)
00055 {
00056 int res = 0;
00057 ast_rwlock_rdlock(&func_lock);
00058 if (installed_funcs && installed_funcs->channel_restore) {
00059 res = installed_funcs->channel_restore(chan);
00060 }
00061 ast_rwlock_unlock(&func_lock);
00062 return res;
00063 }
00064
00065 int ast_adsi_print(struct ast_channel *chan, char **lines, int *align, int voice)
00066 {
00067 int res = 0;
00068 ast_rwlock_rdlock(&func_lock);
00069 if (installed_funcs && installed_funcs->print) {
00070 res = installed_funcs->print(chan, lines, align, voice);
00071 }
00072 ast_rwlock_unlock(&func_lock);
00073 return res;
00074 }
00075
00076 int ast_adsi_load_session(struct ast_channel *chan, unsigned char *app, int ver, int data)
00077 {
00078 int res = 0;
00079 ast_rwlock_rdlock(&func_lock);
00080 if (installed_funcs && installed_funcs->load_session) {
00081 res = installed_funcs->load_session(chan, app, ver, data);
00082 }
00083 ast_rwlock_unlock(&func_lock);
00084 return res;
00085 }
00086
00087 int ast_adsi_unload_session(struct ast_channel *chan)
00088 {
00089 int res = 0;
00090 ast_rwlock_rdlock(&func_lock);
00091 if (installed_funcs && installed_funcs->unload_session) {
00092 res = installed_funcs->unload_session(chan);
00093 }
00094 ast_rwlock_unlock(&func_lock);
00095 return res;
00096 }
00097
00098 int ast_adsi_transmit_message(struct ast_channel *chan, unsigned char *msg, int msglen, int msgtype)
00099 {
00100 int res = 0;
00101 ast_rwlock_rdlock(&func_lock);
00102 if (installed_funcs && installed_funcs->transmit_message) {
00103 res = installed_funcs->transmit_message(chan, msg, msglen, msgtype);
00104 }
00105 ast_rwlock_unlock(&func_lock);
00106 return res;
00107 }
00108
00109 int ast_adsi_transmit_message_full(struct ast_channel *chan, unsigned char *msg, int msglen, int msgtype, int dowait)
00110 {
00111 int res = 0;
00112 ast_rwlock_rdlock(&func_lock);
00113 if (installed_funcs && installed_funcs->transmit_message_full) {
00114 res = installed_funcs->transmit_message_full(chan, msg, msglen, msgtype, dowait);
00115 }
00116 ast_rwlock_unlock(&func_lock);
00117 return res;
00118 }
00119
00120 int ast_adsi_read_encoded_dtmf(struct ast_channel *chan, unsigned char *buf, int maxlen)
00121 {
00122 int res = 0;
00123 ast_rwlock_rdlock(&func_lock);
00124 if (installed_funcs && installed_funcs->read_encoded_dtmf) {
00125 res = installed_funcs->read_encoded_dtmf(chan, buf, maxlen);
00126 }
00127 ast_rwlock_unlock(&func_lock);
00128 return res;
00129 }
00130
00131 int ast_adsi_connect_session(unsigned char *buf, unsigned char *fdn, int ver)
00132 {
00133 int res = 0;
00134 ast_rwlock_rdlock(&func_lock);
00135 if (installed_funcs && installed_funcs->connect_session) {
00136 res = installed_funcs->connect_session(buf, fdn, ver);
00137 }
00138 ast_rwlock_unlock(&func_lock);
00139 return res;
00140 }
00141
00142 int ast_adsi_query_cpeid(unsigned char *buf)
00143 {
00144 int res = 0;
00145 ast_rwlock_rdlock(&func_lock);
00146 if (installed_funcs && installed_funcs->query_cpeid) {
00147 res = installed_funcs->query_cpeid(buf);
00148 }
00149 ast_rwlock_unlock(&func_lock);
00150 return res;
00151 }
00152
00153 int ast_adsi_query_cpeinfo(unsigned char *buf)
00154 {
00155 int res = 0;
00156 ast_rwlock_rdlock(&func_lock);
00157 if (installed_funcs && installed_funcs->query_cpeinfo) {
00158 res = installed_funcs->query_cpeinfo(buf);
00159 }
00160 ast_rwlock_unlock(&func_lock);
00161 return res;
00162 }
00163
00164 int ast_adsi_get_cpeid(struct ast_channel *chan, unsigned char *cpeid, int voice)
00165 {
00166 int res = 0;
00167 ast_rwlock_rdlock(&func_lock);
00168 if (installed_funcs && installed_funcs->get_cpeid) {
00169 res = installed_funcs->get_cpeid(chan, cpeid, voice);
00170 }
00171 ast_rwlock_unlock(&func_lock);
00172 return res;
00173 }
00174
00175 int ast_adsi_get_cpeinfo(struct ast_channel *chan, int *width, int *height, int *buttons, int voice)
00176 {
00177 int res = 0;
00178 ast_rwlock_rdlock(&func_lock);
00179 if (installed_funcs && installed_funcs->get_cpeinfo) {
00180 res = installed_funcs->get_cpeinfo(chan, width, height, buttons, voice);
00181 }
00182 ast_rwlock_unlock(&func_lock);
00183 return res;
00184 }
00185
00186 int ast_adsi_download_connect(unsigned char *buf, char *service, unsigned char *fdn, unsigned char *sec, int ver)
00187 {
00188 int res = 0;
00189 ast_rwlock_rdlock(&func_lock);
00190 if (installed_funcs && installed_funcs->download_connect) {
00191 res = installed_funcs->download_connect(buf, service, fdn, sec, ver);
00192 }
00193 ast_rwlock_unlock(&func_lock);
00194 return res;
00195 }
00196
00197 int ast_adsi_disconnect_session(unsigned char *buf)
00198 {
00199 int res = 0;
00200 ast_rwlock_rdlock(&func_lock);
00201 if (installed_funcs && installed_funcs->disconnect_session) {
00202 res = installed_funcs->disconnect_session(buf);
00203 }
00204 ast_rwlock_unlock(&func_lock);
00205 return res;
00206 }
00207
00208 int ast_adsi_download_disconnect(unsigned char *buf)
00209 {
00210 int res = 0;
00211 ast_rwlock_rdlock(&func_lock);
00212 if (installed_funcs && installed_funcs->download_disconnect) {
00213 res = installed_funcs->download_disconnect(buf);
00214 }
00215 ast_rwlock_unlock(&func_lock);
00216 return res;
00217 }
00218
00219 int ast_adsi_data_mode(unsigned char *buf)
00220 {
00221 int res = 0;
00222 ast_rwlock_rdlock(&func_lock);
00223 if (installed_funcs && installed_funcs->data_mode) {
00224 res = installed_funcs->data_mode(buf);
00225 }
00226 ast_rwlock_unlock(&func_lock);
00227 return res;
00228 }
00229
00230 int ast_adsi_clear_soft_keys(unsigned char *buf)
00231 {
00232 int res = 0;
00233 ast_rwlock_rdlock(&func_lock);
00234 if (installed_funcs && installed_funcs->clear_soft_keys) {
00235 res = installed_funcs->clear_soft_keys(buf);
00236 }
00237 ast_rwlock_unlock(&func_lock);
00238 return res;
00239 }
00240
00241 int ast_adsi_clear_screen(unsigned char *buf)
00242 {
00243 int res = 0;
00244 ast_rwlock_rdlock(&func_lock);
00245 if (installed_funcs && installed_funcs->clear_screen) {
00246 res = installed_funcs->clear_screen(buf);
00247 }
00248 ast_rwlock_unlock(&func_lock);
00249 return res;
00250 }
00251
00252 int ast_adsi_voice_mode(unsigned char *buf, int when)
00253 {
00254 int res = 0;
00255 ast_rwlock_rdlock(&func_lock);
00256 if (installed_funcs && installed_funcs->voice_mode) {
00257 res = installed_funcs->voice_mode(buf, when);
00258 }
00259 ast_rwlock_unlock(&func_lock);
00260 return res;
00261 }
00262
00263 int ast_adsi_available(struct ast_channel *chan)
00264 {
00265 int res = 0;
00266 ast_rwlock_rdlock(&func_lock);
00267 if (installed_funcs && installed_funcs->available) {
00268 res = installed_funcs->available(chan);
00269 }
00270 ast_rwlock_unlock(&func_lock);
00271 return res;
00272 }
00273
00274 int ast_adsi_display(unsigned char *buf, int page, int line, int just, int wrap, char *col1, char *col2)
00275 {
00276 int res = 0;
00277 ast_rwlock_rdlock(&func_lock);
00278 if (installed_funcs && installed_funcs->display) {
00279 res = installed_funcs->display(buf, page, line, just, wrap, col1, col2);
00280 }
00281 ast_rwlock_unlock(&func_lock);
00282 return res;
00283 }
00284
00285 int ast_adsi_set_line(unsigned char *buf, int page, int line)
00286 {
00287 int res = 0;
00288 ast_rwlock_rdlock(&func_lock);
00289 if (installed_funcs && installed_funcs->set_line) {
00290 res = installed_funcs->set_line(buf, page, line);
00291 }
00292 ast_rwlock_unlock(&func_lock);
00293 return res;
00294 }
00295
00296 int ast_adsi_load_soft_key(unsigned char *buf, int key, const char *llabel, const char *slabel, char *ret, int data)
00297 {
00298 int res = 0;
00299 ast_rwlock_rdlock(&func_lock);
00300 if (installed_funcs && installed_funcs->load_soft_key) {
00301 res = installed_funcs->load_soft_key(buf, key, llabel, slabel, ret, data);
00302 }
00303 ast_rwlock_unlock(&func_lock);
00304 return res;
00305 }
00306
00307 int ast_adsi_set_keys(unsigned char *buf, unsigned char *keys)
00308 {
00309 int res = 0;
00310 ast_rwlock_rdlock(&func_lock);
00311 if (installed_funcs && installed_funcs->set_keys) {
00312 res = installed_funcs->set_keys(buf, keys);
00313 }
00314 ast_rwlock_unlock(&func_lock);
00315 return res;
00316 }
00317
00318 int ast_adsi_input_control(unsigned char *buf, int page, int line, int display, int format, int just)
00319 {
00320 int res = 0;
00321 ast_rwlock_rdlock(&func_lock);
00322 if (installed_funcs && installed_funcs->input_control) {
00323 res = installed_funcs->input_control(buf, page, line, display, format, just);
00324 }
00325 ast_rwlock_unlock(&func_lock);
00326 return res;
00327 }
00328
00329 int ast_adsi_input_format(unsigned char *buf, int num, int dir, int wrap, char *format1, char *format2)
00330 {
00331 int res = 0;
00332 ast_rwlock_rdlock(&func_lock);
00333 if (installed_funcs && installed_funcs->input_format) {
00334 res = installed_funcs->input_format(buf, num, dir, wrap, format1, format2);
00335 }
00336 ast_rwlock_unlock(&func_lock);
00337 return res;
00338 }
00339
00340 void ast_adsi_install_funcs(const struct adsi_funcs *funcs)
00341 {
00342 if (funcs && funcs->version < current_adsi_version) {
00343 ast_log(LOG_WARNING, "Cannot install ADSI function pointers due to version mismatch."
00344 "Ours: %d, Theirs: %u\n", current_adsi_version, funcs->version);
00345 return;
00346 }
00347
00348 ast_rwlock_wrlock(&func_lock);
00349 installed_funcs = funcs;
00350 ast_rwlock_unlock(&func_lock);
00351 }