*/
-#include <dlfcn.h>
+#include <glibmm/module.h>
#include <glibmm/fileutils.h>
#include "ardour/debug.h"
#include "ardour/control_protocol_manager.h"
-#include "ardour/control_protocol_search_path.h"
+
+#include "ardour/search_paths.h"
+
using namespace ARDOUR;
using namespace std;
for (list<ControlProtocolInfo*>::iterator i = control_protocol_info.begin(); i != control_protocol_info.end(); ++i) {
if ((*i)->requested || (*i)->mandatory) {
-
- instantiate (**i);
- (*i)->requested = false;
-
- if ((*i)->protocol) {
- if ((*i)->state) {
- (*i)->protocol->set_state (*(*i)->state, Stateful::loading_state_version);
- } else {
- /* guarantee a call to
- set_state() whether we have
- existing state or not
- */
- (*i)->protocol->set_state (XMLNode(""), Stateful::loading_state_version);
- }
- }
+ (void) activate (**i);
}
}
}
}
+int
+ControlProtocolManager::activate (ControlProtocolInfo& cpi)
+{
+ ControlProtocol* cp;
+
+ cpi.requested = true;
+
+ if ((cp = instantiate (cpi)) == 0) {
+ return -1;
+ }
+
+ /* we split the set_state() and set_active() operations so that
+ protocols that need state to configure themselves (e.g. "What device
+ is connected, or supposed to be connected?") can get it before
+ actually starting any interaction.
+ */
+
+ if (cpi.state) {
+ /* force this by tweaking the internals of the state
+ * XMLNode. Ugh.
+ */
+ cp->set_state (*cpi.state, Stateful::loading_state_version);
+ } else {
+ /* guarantee a call to
+ set_state() whether we have
+ existing state or not
+ */
+ cp->set_state (XMLNode(""), Stateful::loading_state_version);
+ }
+
+ cp->set_active (true);
+
+ return 0;
+}
+
+int
+ControlProtocolManager::deactivate (ControlProtocolInfo& cpi)
+{
+ cpi.requested = false;
+ return teardown (cpi);
+}
+
void
ControlProtocolManager::session_going_away()
{
if (cpi.mandatory) {
return 0;
}
+
+ /* save current state */
+
+ delete cpi.state;
+ cpi.state = new XMLNode (cpi.protocol->get_state());
+ cpi.state->add_property (X_("active"), "no");
cpi.descriptor->destroy (cpi.descriptor, cpi.protocol);
cpi.protocol = 0;
delete cpi.state;
cpi.state = 0;
- dlclose (cpi.descriptor->module);
+ delete (Glib::Module*)cpi.descriptor->module;
ProtocolStatusChange (&cpi);
{
vector<std::string> cp_modules;
+#ifdef COMPILER_MSVC
+ /**
+ * Different build targets (Debug / Release etc) use different versions
+ * of the 'C' runtime (which can't be 'mixed & matched'). Therefore, in
+ * case the supplied search path contains multiple version(s) of a given
+ * module, only select the one(s) which match the current build target
+ */
+ #if defined (_DEBUG)
+ Glib::PatternSpec dll_extension_pattern("*D.dll");
+ #elif defined (RDC_BUILD)
+ Glib::PatternSpec dll_extension_pattern("*RDC.dll");
+ #elif defined (_WIN64)
+ Glib::PatternSpec dll_extension_pattern("*64.dll");
+ #else
+ Glib::PatternSpec dll_extension_pattern("*32.dll");
+ #endif
+#else
+ Glib::PatternSpec dll_extension_pattern("*.dll");
+#endif
+
Glib::PatternSpec so_extension_pattern("*.so");
Glib::PatternSpec dylib_extension_pattern("*.dylib");
+ find_matching_files_in_search_path (control_protocol_search_path (),
+ dll_extension_pattern, cp_modules);
+
find_matching_files_in_search_path (control_protocol_search_path (),
so_extension_pattern, cp_modules);
string_compose(_("Control surface protocol discovered: \"%1\"\n"), cpi->name));
}
- dlclose (descriptor->module);
+ delete (Glib::Module*)descriptor->module;
}
return 0;
ControlProtocolDescriptor*
ControlProtocolManager::get_descriptor (string path)
{
- void *module;
+ Glib::Module* module = new Glib::Module(path);
ControlProtocolDescriptor *descriptor = 0;
ControlProtocolDescriptor* (*dfunc)(void);
- const char *errstr;
+ void* func = 0;
- if ((module = dlopen (path.c_str(), RTLD_NOW)) == 0) {
- error << string_compose(_("ControlProtocolManager: cannot load module \"%1\" (%2)"), path, dlerror()) << endmsg;
+ if (!(*module)) {
+ error << string_compose(_("ControlProtocolManager: cannot load module \"%1\" (%2)"), path, Glib::Module::get_last_error()) << endmsg;
+ delete module;
return 0;
}
-
- dfunc = (ControlProtocolDescriptor* (*)(void)) dlsym (module, "protocol_descriptor");
-
- if ((errstr = dlerror()) != 0) {
+ if (!module->get_symbol("protocol_descriptor", func)) {
error << string_compose(_("ControlProtocolManager: module \"%1\" has no descriptor function."), path) << endmsg;
- error << errstr << endmsg;
- dlclose (module);
+ error << Glib::Module::get_last_error() << endmsg;
+ delete module;
return 0;
}
+ dfunc = (ControlProtocolDescriptor* (*)(void))func;
descriptor = dfunc();
+
if (descriptor) {
- descriptor->module = module;
+ descriptor->module = (void*)module;
} else {
- dlclose (module);
+ delete module;
}
return descriptor;
for (list<ControlProtocolInfo*>::iterator i = control_protocol_info.begin(); i != control_protocol_info.end(); ++i) {
- XMLNode * child;
-
if ((*i)->protocol) {
- child = &((*i)->protocol->get_state());
- child->add_property (X_("active"), "yes");
- // should we update (*i)->state here? probably.
- root->add_child_nocopy (*child);
+ XMLNode& child_state ((*i)->protocol->get_state());
+ child_state.add_property (X_("active"), "yes");
+ root->add_child_nocopy (child_state);
} else if ((*i)->state) {
- // keep ownership clear
- root->add_child_copy (*(*i)->state);
+ XMLNode* child_state = new XMLNode (*(*i)->state);
+ child_state->add_property (X_("active"), "no");
+ root->add_child_nocopy (*child_state);
} else {
- child = new XMLNode (X_("Protocol"));
- child->add_property (X_("name"), (*i)->name);
- child->add_property (X_("active"), "no");
- root->add_child_nocopy (*child);
+ XMLNode* child_state = new XMLNode (X_("Protocol"));
+ child_state->add_property (X_("name"), (*i)->name);
+ child_state->add_property (X_("active"), "no");
+ root->add_child_nocopy (*child_state);
}
+
}
return *root;