/* Reads the file stream and creates an order according to
* its input. All names of items will be in all caps. No item
* should have a zero or negative count associated with it.
* Returns: pointer to first element of order list. If file is
* null or empty, will return null. Will throw error if file
* is formatted incorrectly.
*/
list_elt *makeOrder(FILE *stream) {
char *name;
int count;
list_elt *first_elt;
// MIGHT WANT TO THROW SOME SORT OF ERROR
if(stream==NULL) {
return NULL;
}
// Initialize first element to NULL
first_elt = NULL;
while(feof(stream) != 1) {
fscanf(stream, "%s %d", name, count);
allCaps(name);
first_elt = update(first_elt, name, count);
}
return first_elt;
}
/*
* Read in the information about files used in making the system.
* Store it in the ftab linked list.
*/
void
read_files(void)
{
FILE *fp;
register struct file_list *tp, *pf;
register struct device *dp;
register struct opt *op;
const char *wd;
char *this, *needs;
const char *devorprof;
int options;
int not_option;
char pname[BUFSIZ];
char fname[1024];
char *rest = (char *) 0;
int nreqs, first = 1, isdup;
ftab = 0;
(void) sprintf(fname, "%s/files", config_directory);
openit:
fp = fopenp(VPATH, fname, pname, "r");
if (fp == 0) {
perror(fname);
exit(1);
}
next:
options = 0;
rest = (char *) 0;
/*
* filename [ standard | optional ]
* [ dev* | profiling-routine ] [ device-driver]
*/
wd = get_word(fp);
if (wd == (char *)EOF) {
(void) fclose(fp);
if (first == 1) {
(void) sprintf(fname, "%s/files.%s", config_directory, machinename);
first++;
goto openit;
}
return;
}
if (wd == 0)
goto next;
/*
* Allow comment lines beginning witha '#' character.
*/
if (*wd == '#')
{
while ((wd=get_word(fp)) && wd != (char *)EOF)
;
goto next;
}
this = ns(wd);
next_word(fp, wd);
if (wd == 0) {
printf("%s: No type for %s.\n",
fname, this);
exit(1);
}
if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
isdup = 1;
else
isdup = 0;
tp = 0;
nreqs = 0;
devorprof = "";
needs = 0;
if (eq(wd, "standard"))
goto checkdev;
if (!eq(wd, "optional")) {
printf("%s: %s must be optional or standard\n", fname, this);
exit(1);
}
if (strncmp(this, "OPTIONS/", 8) == 0)
options++;
not_option = 0;
nextopt:
next_word(fp, wd);
if (wd == 0)
goto doneopt;
if (eq(wd, "not")) {
not_option = !not_option;
goto nextopt;
}
devorprof = wd;
if (eq(wd, "device-driver") || eq(wd, "profiling-routine")) {
next_word(fp, wd);
goto save;
}
nreqs++;
if (needs == 0 && nreqs == 1)
needs = ns(wd);
if (isdup)
goto invis;
if (options)
{
struct opt *lop = 0;
struct device tdev;
/*
* Allocate a pseudo-device entry which we will insert into
* the device list below. The flags field is set non-zero to
* indicate an internal entry rather than one generated from
* the configuration file. The slave field is set to define
* the corresponding symbol as 0 should we fail to find the
* option in the option list.
*/
init_dev(&tdev);
tdev.d_name = ns(wd);
tdev.d_type = PSEUDO_DEVICE;
tdev.d_flags++;
tdev.d_slave = 0;
for (op=opt; op; lop=op, op=op->op_next)
{
char *od = allCaps(ns(wd));
/*
* Found an option which matches the current device
* dependency identifier. Set the slave field to
* define the option in the header file.
*/
if (strcmp(op->op_name, od) == 0)
{
tdev.d_slave = 1;
if (lop == 0)
opt = op->op_next;
else
lop->op_next = op->op_next;
free(op);
op = 0;
}
free(od);
if (op == 0)
break;
}
newdev(&tdev);
}
for (dp = dtab; dp != 0; dp = dp->d_next) {
if (eq(dp->d_name, wd) && (dp->d_type != PSEUDO_DEVICE || dp->d_slave)) {
if (not_option)
goto invis; /* dont want file if option present */
else
goto nextopt;
}
}
if (not_option)
goto nextopt; /* want file if option missing */
for (op = opt; op != 0; op = op->op_next)
if (op->op_value == 0 && opteq(op->op_name, wd)) {
if (nreqs == 1) {
free(needs);
needs = 0;
}
goto nextopt;
}
invis:
while ((wd = get_word(fp)) != 0)
;
if (tp == 0)
tp = new_fent();
tp->f_fn = this;
tp->f_type = INVISIBLE;
tp->f_needs = needs;
tp->f_flags = isdup;
goto next;
doneopt:
if (nreqs == 0) {
printf("%s: what is %s optional on?\n",
fname, this);
exit(1);
}
checkdev:
if (wd) {
if (*wd == '|')
goto getrest;
next_word(fp, wd);
if (wd) {
devorprof = wd;
next_word(fp, wd);
}
}
save:
getrest:
if (wd) {
if (*wd == '|') {
rest = ns(get_rest(fp));
} else {
printf("%s: syntax error describing %s\n",
fname, this);
exit(1);
}
}
if (eq(devorprof, "profiling-routine") && profiling == 0)
goto next;
if (tp == 0)
tp = new_fent();
tp->f_fn = this;
tp->f_extra = rest;
if (options)
tp->f_type = INVISIBLE;
else
if (eq(devorprof, "device-driver"))
tp->f_type = DRIVER;
else if (eq(devorprof, "profiling-routine"))
tp->f_type = PROFILING;
else
tp->f_type = NORMAL;
tp->f_flags = 0;
tp->f_needs = needs;
if (pf && pf->f_type == INVISIBLE)
pf->f_flags = 1; /* mark as duplicate */
goto next;
}
// input/ouput handler function to be called on thread
void *io_handler(void *param, int socket_fd) {
char command[MAXCOMMANDSIZE]; // For receiving commands from user
int exitsignal; // If user wants to end the application (Command: EXIT, value: 8)
// Main process loop for client
while(fgets(command, sizeof command, stdin)) {
// Manual removal of newline character
int len = strlen(command);
if (len > 0 && command[len-1] == '\n') {
command[len-1] = '\0';
}
allCaps(command);
// parse the command, check if either single or double arg command
int token_count = 0;
int idx = 1;
char* pch;
char s[2][MAXCOMMANDSIZE];
memset(s[0], "", MAXCOMMANDSIZE);
memset(s[1], "", MAXCOMMANDSIZE);
int isnul = strlen(command);
if (isnul == 0)
continue;
pch = strtok(command, " ");
strcpy(s[0], pch);
while (pch != NULL)
{
pch = strtok(NULL, " ");
if (pch != NULL) {
strcpy(s[1], pch);
idx++;
if (idx > 1)
break;
}
}
if (idx == 1) {
char* c1 = &s[0];
if(!strcmp(c1, "EXIT")) {
/* clean up */
printf("Terminating server...\n");
close(socket_fd);
exit(0);
}
else if(!strcmp(c1, "START")){
ready = 1;
enable_stats = 1;
if (abs_start == 0)
abs_start = 1;
else
printf("Server ready: waiting for connections...\n");
}
else if(!strcmp(c1, "STATS")){
if (enable_stats == 0)
printf ("Server still inactive\n");
else
stats();
}
else if (!strcmp(c1, "END")){
printf ("Server terminating...\n");
end();
printf ("...done\n");
}
else {
fprintf(stderr, "Unknown command: %s...\n", command);
}
}
else if (idx == 2) {
char* c1 = &s[0];
char* c2 = &s[1];
if(!strcmp(c1, "BLOCK")){
int socket = atoi(c2);
printf("Blocking socket %d\n", socket);
block(socket);
}
else if(!strcmp(c1, "UNBLOCK")){
int socket = atoi(c2);
printf("Unblocking socket %d\n", socket);
unblock(socket);
}
else if(!strcmp(c1, "THROWOUT")) {
int socket = atoi(c2);
printf("Throwing out socket %d\n", socket);
throwout(socket);
}
else {
fprintf(stderr, "Unknown command: %s...\n", command);
}
}
else {
fprintf(stderr, "Unknown command: %s...\n", command);
}
}
return NULL;
}
/*
* Build the makefile from the skeleton
*/
void
makefile(void)
{
FILE *ifp, *ofp;
FILE *dfp;
char pname[BUFSIZ];
char line[BUFSIZ];
struct opt *op;
struct users *up;
read_files();
(void) sprintf(line, "%s/Makefile.template", config_directory);
ifp = fopenp(VPATH, line, pname, "r");
if (ifp == 0) {
perror(line);
exit(1);
}
dfp = fopen(path("Makefile"), "r");
rename(path("Makefile"), path("Makefile.old"));
unlink(path("Makefile.old"));
unlink(path("M.d"));
if ((ofp = fopen(path("M.d"), "w")) == NULL) {
perror(path("M.d"));
/* We'll let this error go */
}
else
fclose(ofp);
ofp = fopen(path("Makefile"), "w");
if (ofp == 0) {
perror(path("Makefile"));
exit(1);
}
fprintf(ofp, "SOURCE_DIR=%s\n", source_directory);
if (machine == MACHINE_SUN || machine == MACHINE_SUN2
|| machine == MACHINE_SUN3 || machine == MACHINE_SUN4)
fprintf(ofp, "IDENT=-D%s -D%s", machinename, allCaps(ident));
else
fprintf(ofp, "IDENT=-D%s", allCaps(ident));
if (profiling)
fprintf(ofp, " -DGPROF");
if (cputype == 0) {
printf("cpu type must be specified\n");
exit(1);
}
do_build("cputypes.h", build_cputypes);
for (op = opt; op; op = op->op_next)
if (op->op_value)
fprintf(ofp, " -D%s=\"%s\"", op->op_name, op->op_value);
else
fprintf(ofp, " -D%s", op->op_name);
fprintf(ofp, "\n");
if ((unsigned)machine > NUSERS) {
printf("maxusers config info isn't present, using vax\n");
up = &users[MACHINE_VAX-1];
} else
up = &users[machine-1];
if (maxusers < up->u_min) {
maxusers = up->u_min;
} else if (maxusers > up->u_max)
printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers);
if (maxusers) {
do_build("confdep.h", build_confdep);
}
for (op = mkopt; op; op = op->op_next)
if (op->op_value)
fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
else
fprintf(ofp, "%s\n", op->op_name);
while (fgets(line, BUFSIZ, ifp) != 0) {
if (*line == '%')
goto percent;
if (profiling && strncmp(line, "COPTS=", 6) == 0) {
register char *cp;
if (machine != MACHINE_MMAX)
fprintf(ofp,
"GPROF.EX=$(SOURCE_DIR)/machdep/%s/gmon.ex\n", machinename);
cp = index(line, '\n');
if (cp)
*cp = 0;
cp = line + 6;
while (*cp && (*cp == ' ' || *cp == '\t'))
cp++;
COPTS = malloc((unsigned)(strlen(cp) + 1));
if (COPTS == 0) {
printf("config: out of memory\n");
exit(1);
}
strcpy(COPTS, cp);
if (machine == MACHINE_MIPSY || machine == MACHINE_MIPS) {
fprintf(ofp, "%s ${CCPROFOPT}\n", line);
fprintf(ofp, "PCOPTS=%s\n", cp);
} else if (machine == MACHINE_MMAX)
fprintf(ofp, "%s -p\n",line);
else
fprintf(ofp, "%s -pg\n", line);
continue;
}
fprintf(ofp, "%s", line);
continue;
percent:
if (eq(line, "%OBJS\n")) {
do_objs(ofp, "OBJS=", -1);
} else if (eq(line, "%CFILES\n")) {
do_files(ofp, "CFILES=", 'c');
do_objs(ofp, "COBJS=", 'c');
} else if (eq(line, "%MFILES\n")) {
do_files(ofp, "MFILES=", 'm');
do_objs(ofp, "MOBJS=", 'm');
} else if (eq(line, "%SFILES\n")) {
do_files(ofp, "SFILES=", 's');
do_objs(ofp, "SOBJS=", 's');
} else if (eq(line, "%BFILES\n"))
do_files(ofp, "BFILES=", 'b');
else if (eq(line, "%MACHDEP\n")) {
/*
* Move do_machdep() after the mkopt stuff.
*/
for (op = mkopt; op; op = op->op_next)
fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
do_machdep(ofp);
} else if (eq(line, "%ORDERED\n"))
do_ordered(ofp);
else if (eq(line, "%RULES\n"))
do_rules(ofp);
else if (eq(line, "%LOAD\n"))
do_load(ofp);
else
fprintf(stderr,
"Unknown %% construct in generic makefile: %s",
line);
}
if (dfp != NULL)
{
copy_dependencies(dfp, ofp);
(void) fclose(dfp);
}
(void) fclose(ifp);
(void) fclose(ofp);
}