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#include "osdsh.h"
#include "../config.h"
int n=0;
plugininfo_t plugins[MAX_PLUGINS];
settings_t settings;
/* ================================== load a plugin ============================= */
int load_plugin( char pluginfile[255])
{
int (*info)();
void *module;
int a;
char file[PATH_MAX+256];
char *msg = NULL;
/* getcwd(file, PATH_MAX);
strcat(file, "/");
*/
strcat(file, pluginfile);
module = dlopen(pluginfile, RTLD_NOW);
if(!module) {
msg = dlerror();
if(msg != NULL) {
fprintf(stderr, "%s\n", msg);
a = -1;
}
}
else {
info = dlsym(module, "whoami");
a = info();
info = dlsym(module, "initialize_myosd");
info();
plugins[a].isitmine = dlsym(module, "isitmine");
info = dlsym(module, "mynameis");
plugins[a].module = module;
plugins[a].whoami = a;
plugins[a].file = file;
plugins[a].myname = (char *) info();
plugins[a].active = 1;
}
return a;
}
/* =========================== close a plugin ===============================*/
/*
int close_plugin( int a)
{
char report[255];
if(dlclose(plugins[a].module)) {
sprintf(report, "Error while unloading %s", plugins[a].myname);
plugins[a].displaying = 1;
return -1;
}
else {
sprintf(report, "Successfully unloaded %s", plugins[a].myname);
plugins[a].displaying = 0;
return 0;
}
xosd_display(settings.myosd, 0, XOSD_string, report);
xosd_display(settings.myosd, 1, XOSD_string, "");
}
*/
/*============================ display_stuff()=============================== */
void display_stuff(char command[BUFSIZ], char arguments[BUFSIZ])
{
char c;
char arg_first[BUFSIZ];
char arg_secound[BUFSIZ];
int a,i;
sprintf(arg_first, "");
sprintf(arg_secound, "");
/* separate the arguments in sub_arguments .... or not?*/
i=0;
a=0;
while ((c=arguments[i])!=','&&c!='\n'&&c!='\0') {
if (c=='\\') {
i++;
arg_first[a] = arguments[i];
}
else {
arg_first[a] = c;
}
a++;
i++;
}
arg_first[a] = '\0';
a = 0;
if (arguments[i]==',') {
i++;
while((c=arguments[i])!='\n'&&c!='\0'&&c!=')') {
if (c=='\\') {
i++;
arg_secound[a] = arguments[i];
}
else {
arg_secound[a] = c;
}
a++;
i++;
}
}
arg_secound[a] = '\0';
/* done with the arguments */
if (strcmp(command, "load")==0) {
/*
for(i=0;i<n+1;i++) {
if(strcmp(arg_first, plugins[i].myname)==0) {
strcpy(arg_secound, plugins[i].file);
}
}
a = load_plugin( arg_secound);
*/ a = load_plugin( arg_first );
sprintf(arg_secound, "Error loading %s", arg_first);
if(a>=0) {
if(a>n&&a<MAX_PLUGINS)
n=a;
if(plugins[a].isitmine("stop", NULL, NULL)) {
sprintf(arg_secound, "Successfully loaded %s", plugins[a].myname);
}
}
xosd_display(settings.myosd, 0, XOSD_string, arg_secound);
xosd_display(settings.myosd, 1, XOSD_string, "");
}
else if (strcmp(command, "strn")==0) {
xosd_display(settings.myosd, 0, XOSD_string, arg_first);
xosd_display(settings.myosd, 1, XOSD_string, arg_secound);
}
else if (strcmp(command, "bars")==0) {
xosd_display(settings.myosd, 0, XOSD_string, arg_first);
xosd_display(settings.myosd, 1, XOSD_percentage, atoi(arg_secound));
}
else if (strcmp(command, "slid")==0) {
xosd_display(settings.myosd, 0, XOSD_string, arg_first);
xosd_display(settings.myosd, 1, XOSD_slider, atoi(arg_secound));
}
else if (strcmp(command, "dset")==0) {
control_options(&settings, arg_first, arg_secound);
}
else if (strcmp(command, "exit")==0) {
xosd_display(settings.myosd, 0, XOSD_string, "Goodbye");
xosd_display(settings.myosd, 1, XOSD_string, "");
for(i=0;i<n+1;i++) {
if(plugins[i].active) {
plugins[i].isitmine("stop", NULL, NULL);
}
}
sleep(2);
settings.displaying = 0;
}
else {
i = 0;
a = 0;
while(i==0&&a<MAX_PLUGINS) {
if(plugins[a].active) {
i = plugins[a].isitmine(command, arg_first, arg_secound);
}
a++;
}
if(i==0) {
xosd_display(settings.myosd, 0, XOSD_string, command);
xosd_display(settings.myosd, 1, XOSD_string, "No such command");
}
}
}
/*================================control_sh() ============================= */
void *control_sh(void *arg)
{
int a,i;
char c;
char command[BUFSIZ];
char command_arg[BUFSIZ];
char fifo_file[PATH_MAX +1];
FILE *fp;
char readbuf[BUFSIZ];
sprintf(fifo_file, "%s.%d",OSD_FIFO_PATH, getuid());
settings.displaying = 1;
/* we open the osd*/
settings.myosd = xosd_create (2);
initialize_osd(&settings);
load_basic_plugins();
/*open and read the fifo*/
while (settings.displaying) {
fp = fopen(fifo_file, "r");
/*Read the bufer and check that it's not a comment*/
while(fgets(readbuf, BUFSIZ, fp)) {
if (readbuf[0]=='#') continue;
/*ignore spaces*/
for (i=0; i<BUFSIZ&&((c=readbuf[i])==' '||c=='\t'); i++);
/*get the command*/
for (a=0; (c=readbuf[i])!='\n'&&c!='('; a++,i++)
command[a] = readbuf[i];
command[a] = '\0';
/*get the command's arguments*/
i ++;
for(a=0; (c=readbuf[i])!='\0'&&c!='\n'&&c!=')';a++,i++) {
if (c=='\\') {
i++;
command_arg[a] = readbuf[i];
}
else {
command_arg[a]=c;
}
}
command_arg[a] = '\0';
/*execute the command from the fifo and close it*/
display_stuff(command, command_arg);
}
fclose(fp);
}
unlink(fifo_file);
sprintf(fifo_file, "%s.pid", fifo_file);
unlink(fifo_file);
xosd_destroy(settings.myosd);
exit(0);
}
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