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xrdp-proprietary
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Add rudimentary sound support

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ulab-original
Timothy Pearson 12 years ago
parent 564f63b16d
commit 434f65f228
6 changed files with 95 additions and 5 deletions
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52
raptorsmiface/libraptorsmiface.c
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@ -23,7 +23,8 @@
#include "libraptorsmiface.h"
char *server = "localhost";
//char *server = "localhost";
char *server = "freyja.starlink.edu";
char *user = "remotelab";
char *password = "rlpass123"; /* set me first */
char *database = "remotelab_sm";
@ -349,6 +350,39 @@ char* raptor_sm_get_hostname_for_username(char* username, bool create) {
}
}
char* raptor_sm_get_hostname_for_display(int display) {
MYSQL_RES *res;
MYSQL_ROW row;
char* query;
MYSQL *conn = connect_if_needed();
if (!conn) {
return strdup("SQLERR100");
}
asprintf(&query, "SELECT servername FROM sessions WHERE display='%d'", display);
if (mysql_query_internal(conn, query)) {
// Server error
free(query);
mysql_close(conn);
return strdup("SQLERR101");
}
else {
free(query);
res = mysql_store_result(conn);
while ((row = mysql_fetch_row(res)) != NULL) {
char* ret = strdup(row[0]);
mysql_free_result(res);
mysql_close(conn);
return ret;
}
// Nothing in the DB
mysql_free_result(res);
mysql_close(conn);
return strdup("");
}
}
char* raptor_sm_get_ip_for_username(char* username, bool create) {
char* hostname = raptor_sm_get_hostname_for_username(username, create);
char err;
@ -523,11 +557,23 @@ pid_t raptor_sm_run_remote_server(char* username, char *const argv[], char* dbfi
}
char* origstr = command_string;
#ifndef RAPTOR_SM_DISABLE_PULSEAUDIO
if (display >= 0) {
asprintf(&command_string, "ssh root@%s \"su %s -c \'export DISPLAY=:%d && export PULSE_SERVER=tcp:%s:%d && pulseaudio -D --load=\\\"module-native-protocol-tcp listen=0.0.0.0 auth-ip-acl=%s port=%d\\\"\' &> /dev/null\" &", ipaddr, username, display, ipaddr, (RAPTOR_SM_BASE_PULSEAUDIO_PORT+display), RAPTOR_SM_MANAGEMENT_SERVER_IP_NETRANGE, (RAPTOR_SM_BASE_PULSEAUDIO_PORT+display));
dprint("Running command %s...\n\r", command_string);
system(command_string);
}
#endif
if (strcmp(dbfield, RAPTOR_SM_SERVER_PID_FIELD) == 0) {
asprintf(&command_string, "ssh root@%s \'%s & echo $! &\'", ipaddr, origstr);
}
else {
#if RAPTOR_SM_DISABLE_PULSEAUDIO
asprintf(&command_string, "ssh root@%s \"su %s -c \'export DISPLAY=:%d && %s\' &> /dev/null & echo \\$!\"", ipaddr, username, display, origstr);
#else
asprintf(&command_string, "ssh root@%s \"su %s -c \'export DISPLAY=:%d && export PULSE_SERVER=tcp:%s:%d && %s\' &> /dev/null & echo \\$!\"", ipaddr, username, display, ipaddr, (RAPTOR_SM_BASE_PULSEAUDIO_PORT+display), origstr);
#endif
}
dprint("Running command %s...\n\r", command_string);
free(origstr);
@ -807,7 +853,11 @@ char raptor_sm_set_session_state(int display, int state) {
void raptor_sm_run_remote_desktop(char* username, int display, char* executable) {
char* ipaddr = raptor_sm_get_ip_for_username(username, true);
char* command_string;
#if RAPTOR_SM_DISABLE_PULSEAUDIO
asprintf(&command_string, "ssh root@%s \"su %s -c \'export DISPLAY=:%d && %s && exit\' &> /dev/null\"", ipaddr, username, display, executable);
#else
asprintf(&command_string, "ssh root@%s \"su %s -c \'export DISPLAY=:%d && export PULSE_SERVER=tcp:%s:%d && %s && exit\' &> /dev/null\"", ipaddr, username, display, ipaddr, (RAPTOR_SM_BASE_PULSEAUDIO_PORT+display), executable);
#endif
system(command_string);
free(command_string);
}

4
raptorsmiface/libraptorsmiface.h
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@ -23,6 +23,9 @@ enum raptor_sm_status {
#define RAPTOR_SM_SERVER_PID_FIELD "server_pid"
#define RAPTOR_SM_WM_PID_FIELD "wm_pid"
#define RAPTOR_SM_BASE_PULSEAUDIO_PORT 2000
#define RAPTOR_SM_MANAGEMENT_SERVER_IP_NETRANGE "10.0.0.0/8"
char* raptor_sm_get_ip_for_hostname(char* hostname, char* err);
char* raptor_sm_get_hostname_for_username(char* username, bool create);
@ -40,3 +43,4 @@ bool raptor_sm_sesslimit_reached(char* username);
char raptor_sm_set_session_state(int display, int state);
void raptor_sm_run_remote_desktop(char* username, int display, char* executable);
void raptor_sm_terminate_server(char* username);
char* raptor_sm_get_hostname_for_display(int display);

2
sesman/chansrv/Makefile.am
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@ -39,4 +39,4 @@ xrdp_chansrv_LDADD = \
-L/usr/X11R6/lib \
$(top_srcdir)/common/libcommon.la \
$(top_srcdir)/raptorsmiface/libraptorsmiface.la \
-lX11 -lXfixes
-lX11 -lXfixes $(EXTRA_LIBS)

4
sesman/chansrv/chansrv.c
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@ -70,12 +70,15 @@ struct xrdp_api_data
int flags;
};
// #define ENABLE_CHANSERV_DEBUG_LOGGING
//#if 0
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
void dprint(const char *fmt, ...)
{
#ifdef ENABLE_CHANSERV_DEBUG_LOGGING
va_list argp;
va_start(argp, fmt);
char debug[1024];
@ -87,6 +90,7 @@ void dprint(const char *fmt, ...)
fclose(fp);
}
va_end(argp);
#endif
}
#undef LOG
#define LOG(_a, _params) \

5
sesman/chansrv/clipboard.c
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@ -154,6 +154,11 @@ clipboard_init(void)
{
return 0;
}
if (!g_display)
{
// prevent crash in XInternAtom
return 3;
}
xcommon_init();
clipboard_deinit();
rv = 0;

29
sesman/chansrv/sound.c
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@ -19,6 +19,8 @@
#include "sound.h"
#include "thread_calls.h"
#include "libraptorsmiface.h"
extern int g_rdpsnd_chan_id; /* in chansrv.c */
extern int g_display_num; /* in chansrv.c */
@ -32,6 +34,16 @@ static void* DEFAULT_CC
read_raw_audio_data(void* arg);
#endif
//#if 0
void dprint(const char *fmt, ...);
#undef LOG
#define LOG(_a, _params) \
{ \
dprint _params; \
dprint("\n"); \
}
//#endif
/*****************************************************************************/
static int APP_CC
sound_send_server_formats(void)
@ -462,6 +474,7 @@ read_raw_audio_data(void* arg)
int error;
struct trans* strans;
char path[256];
char paserver_string[256];
struct stream* outs;
strans = trans_create(TRANS_MODE_UNIX, 8192, 8192);
@ -491,7 +504,21 @@ read_raw_audio_data(void* arg)
for upto one minute */
for (i = 0; i < 60; i++)
{
simple = pa_simple_new(NULL, "xrdp", PA_STREAM_RECORD, NULL,
// RAJA FIXME
// How can I make this work with the distributed server system!?!?
// pa_simple_new can take a server as its first argument, but each server can have multiple sessions active at any given time...
// This will involve reserving a range of ports (e.g. port 2000 and up), and setting PULSE_SERVER=tcp:<backend hostname>:<2000 + X11 display number>
// The pulseaudio server would then need to be manually started before TDE starts with something like these commands:
// pulseaudio -D --load="module-native-protocol-tcp listen=0.0.0.0 port=<2000 + X11 display number>"
// Then the first argument to pa_simple_new needs to use the same syntax; i.e. "tcp:node001.cluster90.local:2010"
char errcode;
char* remote_backend_hostname = raptor_sm_get_hostname_for_display(g_display_num);
char* ip = raptor_sm_get_ip_for_hostname(remote_backend_hostname, &errcode);
g_free(remote_backend_hostname);
g_snprintf(paserver_string, 255, "tcp:%s:%d", ip, (RAPTOR_SM_BASE_PULSEAUDIO_PORT + g_display_num));
g_free(ip);
LOG(0, ("read_raw_audio_data: connecting to pulseaudio server with connection string %s\n", paserver_string));
simple = pa_simple_new(paserver_string, "xrdp", PA_STREAM_RECORD, NULL,
"record", &samp_spec, NULL, NULL, &error);
if (simple)
{

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