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add XML binding

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9000 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Brian West 2008-07-11 21:41:19 +00:00
parent 21534d46a7
commit 8d8dec2830
1 changed files with 95 additions and 22 deletions
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117
src/mod/languages/mod_python/mod_python.c
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@ -54,7 +54,15 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_python_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_python_shutdown);
SWITCH_MODULE_DEFINITION(mod_python, mod_python_load, mod_python_shutdown, NULL);
static void eval_some_python(char *args, switch_core_session_t *session, switch_stream_handle_t *stream)
static struct {
switch_memory_pool_t *pool;
char *xml_handler;
switch_event_node_t *node;
} globals;
static void eval_some_python(char *args, switch_core_session_t *session, switch_stream_handle_t *stream, switch_event_t *params, char **str)
{
PyThreadState *tstate = NULL;
char *dupargs = NULL;
@ -68,6 +76,10 @@ static void eval_some_python(char *args, switch_core_session_t *session, switch_
PyObject *result = NULL;
char *uuid = NULL;
if (str) {
*str = NULL;
}
if (args) {
dupargs = strdup(args);
} else {
@ -118,16 +130,17 @@ static void eval_some_python(char *args, switch_core_session_t *session, switch_
goto done_swap_out;
}
if (params) {
eve = mod_python_conjure_event(module, params, "params");
}
if (stream) {
printf("doh\n\n\n");
stp = mod_python_conjure_stream(module, stream, "stream");
if (stream->param_event) {
eve = mod_python_conjure_event(module, stream->param_event, "env");
}
}
// get the handler function to be called
function = PyObject_GetAttrString(module, "handler");
if (!function) {
@ -162,29 +175,23 @@ static void eval_some_python(char *args, switch_core_session_t *session, switch_
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Finished calling python script \n");
// check the result and print out any errors
if (!result) {
if (result) {
if (str) {
*str = strdup((char *) PyString_AsString(result));
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error calling python script\n");
PyErr_Print();
PyErr_Clear();
}
done:
switch_safe_free(dupargs);
done:
done_swap_out:
if (sp) {
Py_XDECREF(sp);
}
if (stp) {
Py_XDECREF(stp);
}
if (eve) {
Py_XDECREF(eve);
}
done_swap_out:
// swap out thread state
if (session) {
//switch_core_session_rwunlock(session);
@ -219,9 +226,71 @@ static void eval_some_python(char *args, switch_core_session_t *session, switch_
}
static switch_xml_t python_fetch(const char *section,
const char *tag_name, const char *key_name, const char *key_value, switch_event_t *params, void *user_data)
{
switch_xml_t xml = NULL;
char *str = NULL;
if (!switch_strlen_zero(globals.xml_handler)) {
char *mycmd = strdup(globals.xml_handler);
switch_assert(mycmd);
eval_some_python(mycmd, NULL, NULL, params, &str);
if (str) {
if (switch_strlen_zero(str)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No Result\n");
} else if (!(xml = switch_xml_parse_str((char *) str, strlen(str)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Parsing XML Result!\n");
}
switch_safe_free(str);
}
free(mycmd);
}
return xml;
}
static switch_status_t do_config(void)
{
char *cf = "python.conf";
switch_xml_t cfg, xml, settings, param;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
return SWITCH_STATUS_TERM;
}
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcmp(var, "xml-handler-script")) {
globals.xml_handler = switch_core_strdup(globals.pool, val);
} else if (!strcmp(var, "xml-handler-bindings")) {
if (!switch_strlen_zero(globals.xml_handler)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "binding '%s' to '%s'\n", globals.xml_handler, val);
switch_xml_bind_search_function(python_fetch, switch_xml_parse_section_string(val), NULL);
}
}
}
}
switch_xml_free(xml);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_APP(python_function)
{
eval_some_python((char *) data, session, NULL);
eval_some_python((char *) data, session, NULL, NULL, NULL);
}
@ -235,7 +304,7 @@ static void *SWITCH_THREAD_FUNC py_thread_run(switch_thread_t *thread, void *obj
switch_memory_pool_t *pool;
struct switch_py_thread *pt = (struct switch_py_thread *) obj;
eval_some_python(pt->args, NULL, NULL);
eval_some_python(pt->args, NULL, NULL, NULL, NULL);
pool = pt->pool;
switch_core_destroy_memory_pool(&pool);
@ -246,7 +315,7 @@ static void *SWITCH_THREAD_FUNC py_thread_run(switch_thread_t *thread, void *obj
SWITCH_STANDARD_API(api_python)
{
eval_some_python((char *) cmd, session, stream);
eval_some_python((char *) cmd, session, stream, NULL, NULL);
return SWITCH_STATUS_SUCCESS;
}
@ -288,6 +357,9 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_python_load)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Python Framework Loading...\n");
globals.pool = pool;
do_config();
if (!Py_IsInitialized()) {
// initialize python system
@ -335,7 +407,8 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_python_shutdown)
Py_Finalize();
PyEval_ReleaseLock();
return SWITCH_STATUS_SUCCESS;
switch_event_unbind(&globals.node);
return SWITCH_STATUS_UNLOAD;
}