struct qdisc_util *get_qdisc_kind(const char *str)
{
void *dlh;
char buf[256];
struct qdisc_util *q;
#ifdef ANDROID
if (!strcmp(str, "cbq"))
return &cbq_qdisc_util;
else if (!strcmp(str, "htb"))
return &htb_qdisc_util;
else if (!strcmp(str, "ingress"))
return &ingress_qdisc_util;
else {
fprintf(stderr, "Android does not support qdisc '%s'\n", str);
return NULL;
}
#endif
for (q = qdisc_list; q; q = q->next)
if (strcmp(q->id, str) == 0)
return q;
snprintf(buf, sizeof(buf), "%s/q_%s.so", get_tc_lib(), str);
dlh = dlopen(buf, RTLD_LAZY);
if (!dlh) {
/* look in current binary, only open once */
dlh = BODY;
if (dlh == NULL) {
dlh = BODY = dlopen(NULL, RTLD_LAZY);
if (dlh == NULL)
goto noexist;
}
}
snprintf(buf, sizeof(buf), "%s_qdisc_util", str);
q = dlsym(dlh, buf);
if (q == NULL)
goto noexist;
reg:
q->next = qdisc_list;
qdisc_list = q;
return q;
noexist:
q = malloc(sizeof(*q));
if (q) {
memset(q, 0, sizeof(*q));
q->id = strcpy(malloc(strlen(str)+1), str);
q->parse_qopt = parse_noqopt;
q->print_qopt = print_noqopt;
goto reg;
}
return q;
}
struct filter_util *get_filter_kind(const char *str)
{
void *dlh;
char buf[256];
struct filter_util *q;
#ifdef ANDROID
if (!strcmp(str, "u32"))
return &u32_filter_util;
#ifdef FEATURE_PRIO
else if (!strcmp(str, "fw"))
return &fw_filter_util;
#endif
else {
fprintf(stderr, "Android does not support filter '%s'\n", str);
return NULL;
}
#endif
for (q = filter_list; q; q = q->next)
if (strcmp(q->id, str) == 0)
return q;
snprintf(buf, sizeof(buf), "%s/f_%s.so", get_tc_lib(), str);
dlh = dlopen(buf, RTLD_LAZY);
if (dlh == NULL) {
dlh = BODY;
if (dlh == NULL) {
dlh = BODY = dlopen(NULL, RTLD_LAZY);
if (dlh == NULL)
goto noexist;
}
}
snprintf(buf, sizeof(buf), "%s_filter_util", str);
q = dlsym(dlh, buf);
if (q == NULL)
goto noexist;
reg:
q->next = filter_list;
filter_list = q;
return q;
noexist:
q = malloc(sizeof(*q));
if (q) {
memset(q, 0, sizeof(*q));
strncpy(q->id, str, 15);
q->parse_fopt = parse_nofopt;
q->print_fopt = print_nofopt;
goto reg;
}
return q;
}
struct qdisc_util *get_qdisc_kind(const char *str)
{
void *dlh;
char buf[256];
struct qdisc_util *q;
for (q = qdisc_list; q; q = q->next)
if (strcmp(q->id, str) == 0)
return q;
snprintf(buf, sizeof(buf), "%s/q_%s.so", get_tc_lib(), str);
dlh = dlopen(buf, RTLD_LAZY);
if (!dlh) {
/* look in current binary, only open once */
dlh = BODY;
if (dlh == NULL) {
dlh = BODY = dlopen(NULL, RTLD_LAZY);
if (dlh == NULL)
goto noexist;
}
}
snprintf(buf, sizeof(buf), "%s_qdisc_util", str);
q = dlsym(dlh, buf);
if (q == NULL)
goto noexist;
reg:
q->next = qdisc_list;
qdisc_list = q;
return q;
noexist:
q = malloc(sizeof(*q));
if (q) {
memset(q, 0, sizeof(*q));
q->id = strcpy(malloc(strlen(str)+1), str);
q->parse_qopt = parse_noqopt;
q->print_qopt = print_noqopt;
goto reg;
}
return q;
}
/*
* Simplistic file parser for distrbution data.
* Format is:
* # comment line(s)
* data0 data1 ...
*/
static int get_distribution(const char *type, __s16 *data, int maxdata)
{
FILE *f;
int n;
long x;
size_t len;
char *line = NULL;
char name[128];
snprintf(name, sizeof(name), "%s/%s.dist", get_tc_lib(), type);
if ((f = fopen(name, "r")) == NULL) {
fprintf(stderr, "No distribution data for %s (%s: %s)\n",
type, name, strerror(errno));
return -1;
}
n = 0;
while (getline(&line, &len, f) != -1) {
char *p, *endp;
if (*line == '\n' || *line == '#')
continue;
for (p = line; ; p = endp) {
x = strtol(p, &endp, 0);
if (endp == p)
break;
if (n >= maxdata) {
fprintf(stderr, "%s: too much data\n",
name);
n = -1;
goto error;
}
data[n++] = x;
}
}
error:
free(line);
fclose(f);
return n;
}
struct filter_util *get_filter_kind(const char *str)
{
void *dlh;
char buf[256];
struct filter_util *q;
for (q = filter_list; q; q = q->next)
if (strcmp(q->id, str) == 0)
return q;
snprintf(buf, sizeof(buf), "%s/f_%s.so", get_tc_lib(), str);
dlh = dlopen(buf, RTLD_LAZY);
if (dlh == NULL) {
dlh = BODY;
if (dlh == NULL) {
dlh = BODY = dlopen(NULL, RTLD_LAZY);
if (dlh == NULL)
goto noexist;
}
}
snprintf(buf, sizeof(buf), "%s_filter_util", str);
q = dlsym(dlh, buf);
if (q == NULL)
goto noexist;
reg:
q->next = filter_list;
filter_list = q;
return q;
noexist:
q = malloc(sizeof(*q));
if (q) {
memset(q, 0, sizeof(*q));
strncpy(q->id, str, 15);
q->parse_fopt = parse_nofopt;
q->print_fopt = print_nofopt;
goto reg;
}
return q;
}
struct action_util *get_action_kind(char *str)
{
#ifdef ANDROID
if (!strcmp(str, "mirred")) {
return &mirred_action_util;
} else {
fprintf(stderr, "Android does not support action '%s'", str);
return NULL;
}
#endif
static void *aBODY;
void *dlh;
char buf[256];
struct action_util *a;
#ifdef CONFIG_GACT
int looked4gact = 0;
restart_s:
#endif
for (a = action_list; a; a = a->next) {
if (strcmp(a->id, str) == 0)
return a;
}
snprintf(buf, sizeof(buf), "%s/m_%s.so", get_tc_lib(), str);
dlh = dlopen(buf, RTLD_LAZY | RTLD_GLOBAL);
if (dlh == NULL) {
dlh = aBODY;
if (dlh == NULL) {
dlh = aBODY = dlopen(NULL, RTLD_LAZY);
if (dlh == NULL)
goto noexist;
}
}
snprintf(buf, sizeof(buf), "%s_action_util", str);
a = dlsym(dlh, buf);
if (a == NULL)
goto noexist;
reg:
a->next = action_list;
action_list = a;
return a;
noexist:
#ifdef CONFIG_GACT
if (!looked4gact) {
looked4gact = 1;
strcpy(str,"gact");
goto restart_s;
}
#endif
a = malloc(sizeof(*a));
if (a) {
memset(a, 0, sizeof(*a));
strncpy(a->id, "noact", 15);
a->parse_aopt = parse_noaopt;
a->print_aopt = print_noaopt;
goto reg;
}
return a;
}
struct action_util *get_action_kind(char *str)
{
#ifndef NO_DL
static void *aBODY;
void *dlh;
char buf[256];
#endif
struct action_util *a;
#ifdef CONFIG_GACT
int looked4gact = 0;
restart_s:
#endif
for (a = action_list; a; a = a->next) {
if (strcmp(a->id, str) == 0)
return a;
}
#ifdef NO_DL
{
int i;
for (i = 0; action[i]; i++)
if (strcmp(action[i]->id, str) == 0) {
a = action[i];
goto reg;
}
goto noexist;
}
#else
snprintf(buf, sizeof(buf), "%s/m_%s.so", get_tc_lib(), str);
dlh = dlopen(buf, RTLD_LAZY | RTLD_GLOBAL);
if (dlh == NULL) {
dlh = aBODY;
if (dlh == NULL) {
dlh = aBODY = dlopen(NULL, RTLD_LAZY);
if (dlh == NULL)
goto noexist;
}
}
snprintf(buf, sizeof(buf), "%s_action_util", str);
a = dlsym(dlh, buf);
if (a == NULL)
goto noexist;
#endif
reg:
a->next = action_list;
action_list = a;
return a;
noexist:
#ifdef CONFIG_GACT
if (!looked4gact) {
looked4gact = 1;
strcpy(str,"gact");
goto restart_s;
}
#endif
a = malloc(sizeof(*a));
if (a) {
memset(a, 0, sizeof(*a));
strncpy(a->id, "noact", 15);
a->parse_aopt = parse_noaopt;
a->print_aopt = print_noaopt;
goto reg;
}
return a;
}