common/JackGenericClientChannel.cpp

   1 /*
   2 Copyright (C) 2004-2008 Grame
   3
   4 This program is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU Lesser General Public License as published by
   6 the Free Software Foundation; either version 2.1 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU Lesser General Public License for more details.
  13
  14 You should have received a copy of the GNU Lesser General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 */
  19
  20 #include "JackGenericClientChannel.h"
  21 #include "JackClient.h"
  22 #include "JackGlobals.h"
  23 #include "JackError.h"
  24
  25 namespace Jack
  26 {
  27
  28 JackGenericClientChannel::JackGenericClientChannel()
  29 {}
  30
  31 JackGenericClientChannel::~JackGenericClientChannel()
  32 {}
  33
  34 int JackGenericClientChannel::ServerCheck(const char* server_name)
  35 {
  36     jack_log("JackGenericClientChannel::ServerCheck = %s", server_name);
  37
  38     // Connect to server
  39     if (fRequest->Connect(jack_server_dir, server_name, 0) < 0) {
  40         jack_error("Cannot connect to server request channel");
  41         return -1;
  42     } else {
  43         return 0;
  44     }
  45 }
  46
  47 void JackGenericClientChannel::ServerSyncCall(JackRequest* req, JackResult* res, int* result)
  48 {
  49     // Check call context
  50     if (jack_tls_get(JackGlobals::fNotificationThread)) {
  51         jack_error("Cannot callback the server in notification thread!");
  52         *result = -1;
  53         return;
  54     }
  55
  56     if (!JackGlobals::fServerRunning) {
  57         jack_error("Server is not running");
  58         *result = -1;
  59         return;
  60     }
  61
  62     if (req->Write(fRequest) < 0) {
  63         jack_error("Could not write request type = %ld", req->fType);
  64         *result = -1;
  65         return;
  66     }
  67
  68     if (res->Read(fRequest) < 0) {
  69         jack_error("Could not read result type = %ld", req->fType);
  70         *result = -1;
  71         return;
  72     }
  73
  74     *result = res->fResult;
  75 }
  76
  77 void JackGenericClientChannel::ServerAsyncCall(JackRequest* req, JackResult* res, int* result)
  78 {
  79     // Check call context
  80     if (jack_tls_get(JackGlobals::fNotificationThread)) {
  81         jack_error("Cannot callback the server in notification thread!");
  82         *result = -1;
  83         return;
  84     }
  85
  86     if (!JackGlobals::fServerRunning) {
  87         jack_error("Server is not running");
  88         *result = -1;
  89         return;
  90     }
  91
  92     if (req->Write(fRequest) < 0) {
  93         jack_error("Could not write request type = %ld", req->fType);
  94         *result = -1;
  95     } else {
  96         *result = 0;
  97     }
  98 }
  99
 100 void JackGenericClientChannel::ClientCheck(const char* name, jack_uuid_t uuid, char* name_res, int protocol, int options, int* status, int* result, int open)
 101 {
 102     JackClientCheckRequest req(name, protocol, options, uuid, open);
 103     JackClientCheckResult res;
 104     ServerSyncCall(&req, &res, result);
 105     *status |= res.fStatus;
 106     strcpy(name_res, res.fName);
 107 }
 108
 109 void JackGenericClientChannel::ClientOpen(const char* name, int pid, jack_uuid_t uuid, int* shared_engine, int* shared_client, int* shared_graph, int* result)
 110 {
 111     JackClientOpenRequest req(name, pid, uuid);
 112     JackClientOpenResult res;
 113     ServerSyncCall(&req, &res, result);
 114     *shared_engine = res.fSharedEngine;
 115     *shared_client = res.fSharedClient;
 116     *shared_graph = res.fSharedGraph;
 117 }
 118
 119 void JackGenericClientChannel::ClientClose(int refnum, int* result)
 120 {
 121     JackClientCloseRequest req(refnum);
 122     JackResult res;
 123     ServerSyncCall(&req, &res, result);
 124 }
 125
 126 void JackGenericClientChannel::ClientActivate(int refnum, int is_real_time, int* result)
 127 {
 128     JackActivateRequest req(refnum, is_real_time);
 129     JackResult res;
 130     ServerSyncCall(&req, &res, result);
 131 }
 132
 133 void JackGenericClientChannel::ClientDeactivate(int refnum, int* result)
 134 {
 135     JackDeactivateRequest req(refnum);
 136     JackResult res;
 137     ServerSyncCall(&req, &res, result);
 138 }
 139
 140 void JackGenericClientChannel::PortRegister(int refnum, const char* name, const char* type, unsigned int flags, unsigned int buffer_size, jack_port_id_t* port_index, int* result)
 141 {
 142     JackPortRegisterRequest req(refnum, name, type, flags, buffer_size);
 143     JackPortRegisterResult res;
 144     ServerSyncCall(&req, &res, result);
 145     *port_index = res.fPortIndex;
 146 }
 147
 148 void JackGenericClientChannel::PortUnRegister(int refnum, jack_port_id_t port_index, int* result)
 149 {
 150     JackPortUnRegisterRequest req(refnum, port_index);
 151     JackResult res;
 152     ServerSyncCall(&req, &res, result);
 153 }
 154
 155 void JackGenericClientChannel::PortConnect(int refnum, const char* src, const char* dst, int* result)
 156 {
 157     JackPortConnectNameRequest req(refnum, src, dst);
 158     JackResult res;
 159     ServerSyncCall(&req, &res, result);
 160 }
 161
 162 void JackGenericClientChannel::PortDisconnect(int refnum, const char* src, const char* dst, int* result)
 163 {
 164     JackPortDisconnectNameRequest req(refnum, src, dst);
 165     JackResult res;
 166     ServerSyncCall(&req, &res, result);
 167 }
 168
 169 void JackGenericClientChannel::PortConnect(int refnum, jack_port_id_t src, jack_port_id_t dst, int* result)
 170 {
 171     JackPortConnectRequest req(refnum, src, dst);
 172     JackResult res;
 173     ServerSyncCall(&req, &res, result);
 174 }
 175
 176 void JackGenericClientChannel::PortDisconnect(int refnum, jack_port_id_t src, jack_port_id_t dst, int* result)
 177 {
 178     JackPortDisconnectRequest req(refnum, src, dst);
 179     JackResult res;
 180     ServerSyncCall(&req, &res, result);
 181 }
 182
 183 void JackGenericClientChannel::PortRename(int refnum, jack_port_id_t port, const char* name, int* result)
 184 {
 185     JackPortRenameRequest req(refnum, port, name);
 186     JackResult res;
 187     ServerSyncCall(&req, &res, result);
 188 }
 189
 190 void JackGenericClientChannel::SetBufferSize(jack_nframes_t buffer_size, int* result)
 191 {
 192     JackSetBufferSizeRequest req(buffer_size);
 193     JackResult res;
 194     ServerSyncCall(&req, &res, result);
 195 }
 196
 197 void JackGenericClientChannel::SetFreewheel(int onoff, int* result)
 198 {
 199     JackSetFreeWheelRequest req(onoff);
 200     JackResult res;
 201     ServerSyncCall(&req, &res, result);
 202 }
 203
 204 void JackGenericClientChannel::ComputeTotalLatencies(int* result)
 205 {
 206     JackComputeTotalLatenciesRequest req;
 207     JackResult res;
 208     ServerSyncCall(&req, &res, result);
 209 }
 210
 211 void JackGenericClientChannel::SessionNotify(int refnum, const char* target, jack_session_event_type_t type, const char* path, jack_session_command_t** result)
 212 {
 213     JackSessionNotifyRequest req(refnum, path, type, target);
 214     JackSessionNotifyResult res;
 215     int intresult;
 216     ServerSyncCall(&req, &res, &intresult);
 217     *result = res.GetCommands();
 218 }
 219
 220 void JackGenericClientChannel::SessionReply(int refnum, int* result)
 221 {
 222     JackSessionReplyRequest req(refnum);
 223     JackResult res;
 224     ServerSyncCall(&req, &res, result);
 225 }
 226
 227 void JackGenericClientChannel::GetUUIDForClientName(int refnum, const char* client_name, char* uuid_res, int* result)
 228 {
 229     JackGetUUIDRequest req(client_name);
 230     JackUUIDResult res;
 231     ServerSyncCall(&req, &res, result);
 232     strncpy(uuid_res, res.fUUID, JACK_UUID_SIZE);
 233 }
 234
 235 void JackGenericClientChannel::GetClientNameForUUID(int refnum, const char* uuid, char* name_res, int* result)
 236 {
 237     JackGetClientNameRequest req(uuid);
 238     JackClientNameResult res;
 239     ServerSyncCall(&req, &res, result);
 240     strncpy(name_res, res.fName, JACK_CLIENT_NAME_SIZE);
 241 }
 242
 243 void JackGenericClientChannel::ClientHasSessionCallback(const char* client_name, int* result)
 244 {
 245     JackClientHasSessionCallbackRequest req(client_name);
 246     JackResult res;
 247     ServerSyncCall(&req, &res, result);
 248 }
 249
 250 void JackGenericClientChannel::ReserveClientName(int refnum, const char* client_name, const char* uuid, int* result)
 251 {
 252     JackReserveNameRequest req(refnum, client_name, uuid);
 253     JackResult res;
 254     ServerSyncCall(&req, &res, result);
 255 }
 256
 257 void JackGenericClientChannel::ReleaseTimebase(int refnum, int* result)
 258 {
 259     JackReleaseTimebaseRequest req(refnum);
 260     JackResult res;
 261     ServerSyncCall(&req, &res, result);
 262 }
 263
 264 void JackGenericClientChannel::SetTimebaseCallback(int refnum, int conditional, int* result)
 265 {
 266     JackSetTimebaseCallbackRequest req(refnum, conditional);
 267     JackResult res;
 268     ServerSyncCall(&req, &res, result);
 269 }
 270
 271 void JackGenericClientChannel::GetInternalClientName(int refnum, int int_ref, char* name_res, int* result)
 272 {
 273     JackGetInternalClientNameRequest req(refnum, int_ref);
 274     JackGetInternalClientNameResult res;
 275     ServerSyncCall(&req, &res, result);
 276     strcpy(name_res, res.fName);
 277 }
 278
 279 void JackGenericClientChannel::InternalClientHandle(int refnum, const char* client_name, int* status, int* int_ref, int* result)
 280 {
 281     JackInternalClientHandleRequest req(refnum, client_name);
 282     JackInternalClientHandleResult res;
 283     ServerSyncCall(&req, &res, result);
 284     *int_ref = res.fIntRefNum;
 285     *status = res.fStatus;
 286 }
 287
 288 void JackGenericClientChannel::InternalClientLoad(int refnum, const char* client_name, const char* so_name, const char* objet_data, int options, int* status, int* int_ref, jack_uuid_t uuid, int* result)
 289 {
 290     JackInternalClientLoadRequest req(refnum, client_name, so_name, objet_data, options, uuid);
 291     JackInternalClientLoadResult res;
 292     ServerSyncCall(&req, &res, result);
 293     *int_ref = res.fIntRefNum;
 294     *status = res.fStatus;
 295 }
 296
 297 void JackGenericClientChannel::InternalClientUnload(int refnum, int int_ref, int* status, int* result)
 298 {
 299     JackInternalClientUnloadRequest req(refnum, int_ref);
 300     JackInternalClientUnloadResult res;
 301     ServerSyncCall(&req, &res, result);
 302     *status = res.fStatus;
 303 }
 304
 305 void JackGenericClientChannel::PropertyChangeNotify(jack_uuid_t subject, const char* key, jack_property_change_t change, int* result)
 306 {
 307     JackPropertyChangeNotifyRequest req(subject, key, change);
 308     JackResult res;
 309     ServerAsyncCall(&req, &res, result);
 310 }
 311
 312 } // end of namespace
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