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new-session-manager
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support optional-gui in nsm.h (#28) 

* Add optional-gui to nsm.h

* Fix formating errors, add disclaimer for timeout wait in example code

* Add simple check if server support optional-gui

* Fix memleak
tags/v1.4.0
Hermann GitHub 4 years ago
parent
4eebf079e1
commit
00cb68e7e1
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 126 additions and 99 deletions
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  1. +126
    -99
      src/nsm.h

+ 126
- 99
src/nsm.h View File

@@ -19,105 +19,118 @@
/*************************************************************************/


/*************************************************************/
/* A simple, callback based C API for NSM clients. */
/* */
/* Simplified Example: */
/* */
/* #include "nsm.h" */
/* */
/* static nsm_client_t *nsm = 0; */
/* static int wait_nsm = 1; */
/* */
/* int */
/* cb_nsm_open ( const char *name, */
/* const char *display_name, */
/* const char *client_id, */
/* char **out_msg, */
/* void *userdata ) */
/* { */
/* do_open_stuff(); */
/* wait_nsm = 0; */
/* return ERR_OK; */
/* } */
/* */
/* int */
/* cb_nsm_save ( char **out_msg, */
/* void *userdata ) */
/* { */
/* do_save_stuff(); */
/* return ERR_OK; */
/* } */
/* */
/* void */
/* cb_nsm_show ( void *userdata ) */
/* { */
/* do_show_ui(); */
/* nsm_send_is_shown ( nsm ); */
/* } */
/* */
/* void */
/* cb_nsm_hide ( void *userdata ) */
/* { */
/* do_hide_ui(); */
/* nsm_send_is_hidden ( nsm ); */
/* } */
/* */
/* gboolean */
/* poll_nsm() */
/* { */
/* if ( nsm ) */
/* { */
/* nsm_check_nowait( nsm ); */
/* return true; */
/* } */
/* return false; */
/* } */
/* */
/* int main( int argc, char **argv ) */
/* { */
/* const char *nsm_url = getenv( "NSM_URL" ); */
/* */
/* if ( nsm_url ) */
/* { */
/* nsm = nsm_new(); */
/* */
/* nsm_set_open_callback( nsm, cb_nsm_open, 0 ); */
/* nsm_set_save_callback( nsm, cb_nsm_save, 0 ); */
/* nsm_set_show_callback( nsm, cb_nsm_show, 0 ); */
/* nsm_set_hide_callback( nsm, cb_nsm_hide, 0 ); */
/* */
/* if ( 0 == nsm_init( nsm, nsm_url ) ) */
/* { */
/* nsm_send_announce( nsm, "FOO", "", argv[0] ); */
/* */
/* ********************************************************* */
/* This will block for at most 100 sec and */
/* waiting for the NSM server open callback. */
/* DISCLAIMER: YOU MAY NOT NEED TO DO THAT. */
/* ********************************************************* */
/* */
/* int timeout = 0; */
/* while ( wait_nsm ) */
/* { */
/* nsm_check_wait( nsm, 500 ); */
/* timeout += 1; */
/* if ( timeout > 200 ) */
/* exit ( 1 ); */
/* } */
/* */
/* ********************************************************* */
/* */
/* do_timeout_add( 200, poll_nsm, Null ); */
/* } */
/* else */
/* { */
/* nsm_free( nsm ); */
/* nsm = 0; */
/* } */
/* } */
/* } */
/*************************************************************/
/*************************************************************************/
/* A simple, callback based C API for NSM clients. */
/* */
/* Simplified Example: */
/* */
/* #include "nsm.h" */
/* */
/* static nsm_client_t *nsm = 0; */
/* static int wait_nsm = 1; */
/* */
/* int */
/* cb_nsm_open ( const char *name, */
/* const char *display_name, */
/* const char *client_id, */
/* char **out_msg, */
/* void *userdata ) */
/* { */
/* do_open_stuff(); */
/* wait_nsm = 0; */
/* return ERR_OK; */
/* } */
/* */
/* int */
/* cb_nsm_save ( char **out_msg, */
/* void *userdata ) */
/* { */
/* do_save_stuff(); */
/* return ERR_OK; */
/* } */
/* */
/* void */
/* cb_nsm_show ( void *userdata ) */
/* { */
/* do_show_ui(); */
/* nsm_send_is_shown ( nsm ); */
/* } */
/* */
/* void */
/* cb_nsm_hide ( void *userdata ) */
/* { */
/* do_hide_ui(); */
/* nsm_send_is_hidden ( nsm ); */
/* } */
/* */
/* gboolean */
/* poll_nsm() */
/* { */
/* if ( nsm ) */
/* { */
/* nsm_check_nowait( nsm ); */
/* return true; */
/* } */
/* return false; */
/* } */
/* */
/* int main( int argc, char **argv ) */
/* { */
/* const char *nsm_url = getenv( "NSM_URL" ); */
/* */
/* if ( nsm_url ) */
/* { */
/* nsm = nsm_new(); */
/* */
/* nsm_set_open_callback( nsm, cb_nsm_open, 0 ); */
/* nsm_set_save_callback( nsm, cb_nsm_save, 0 ); */
/* */
/* if ( 0 == nsm_init( nsm, nsm_url ) ) */
/* { */
/* nsm_send_announce( nsm, "FOO", ":optional-gui:", argv[0] );*/
/* */
/* ********************************************************************** */
/* This will block for at most 100 sec and */
/* waiting for the NSM server open callback. */
/* DISCLAIMER: YOU MAY NOT NEED TO DO THAT. */
/* ********************************************************************** */
/* */
/* int timeout = 0; */
/* while ( wait_nsm ) */
/* { */
/* nsm_check_wait( nsm, 500 ); */
/* timeout += 1; */
/* if ( timeout > 200 ) */
/* exit ( 1 ); */
/* } */
/* */
/* ********************************************************************** */
/* This will check if the server support optional-gui */
/* and connect the callbacks when support is found. */
/* If you don't use the above blocking block */
/* this could be done in cb_nsm_open() as well. */
/* DISCLAIMER: YOU MAY NOT NEED TO DO THAT. */
/* ********************************************************************** */
/* */
/* if ( strstr( nsm_get_session_manager_features ( nsm ), */
/* ":optional-gui:" ) ) */
/* { */
/* nsm_set_show_callback( nsm, cb_nsm_show, 0 ); */
/* nsm_set_hide_callback( nsm, cb_nsm_hide, 0 ); */
/* } */
/* */
/* ********************************************************************** */
/* */
/* do_timeout_add( 200, poll_nsm, Null ); */
/* } */
/* else */
/* { */
/* nsm_free( nsm ); */
/* nsm = 0; */
/* } */
/* } */
/* } */
/**************************************************************************/

#ifndef _NSM_H
#define _NSM_H
@@ -157,6 +170,7 @@ struct _nsm_client_t
int nsm_is_active;
char *nsm_client_id;
char *_session_manager_name;
char *_session_manager_features;

nsm_open_callback *open;
void *open_userdata;
@@ -207,6 +221,13 @@ nsm_get_session_manager_name ( nsm_client_t *nsm )
return _NSM()->_session_manager_name;
}

NSM_EXPORT
const char *
nsm_get_session_manager_features ( nsm_client_t *nsm )
{
return _NSM()->_session_manager_features;
}

NSM_EXPORT
nsm_client_t *
nsm_new ( void )
@@ -222,6 +243,7 @@ nsm_new ( void )
nsm->_st = 0;
nsm->nsm_addr = 0;
nsm->_session_manager_name = 0;
nsm->_session_manager_features = 0;

nsm->open = 0;
nsm->save = 0;
@@ -363,6 +385,10 @@ nsm_free ( nsm_client_t *nsm )
else
lo_server_free( _NSM()->_server );

free(_NSM()->nsm_client_id);
free(_NSM()->_session_manager_name);
free(_NSM()->_session_manager_features);

free( _NSM() );
}

@@ -512,6 +538,7 @@ NSM_EXPORT int _nsm_osc_announce_reply ( const char *path, const char *types, lo

nsm->nsm_is_active = 1;
nsm->_session_manager_name = strdup( &argv[2]->s );
nsm->_session_manager_features = strdup( &argv[3]->s );
nsm->nsm_addr = lo_address_new_from_url( lo_address_get_url( lo_message_get_source( msg ) ));

if ( nsm->active )


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