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#include "hybbx/ardop.h"
#include "hybbx/crdop.h"
#include "hybbx/log.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static char *crdop_strdup(const char *s)
{
size_t len;
char *copy;
if (s == NULL) {
return NULL;
}
len = strlen(s) + 1;
copy = malloc(len);
if (copy != NULL) {
memcpy(copy, s, len);
}
return copy;
}
static int str_ieq(const char *a, const char *b)
{
if (a == NULL || b == NULL) {
return 0;
}
while (*a != '\0' && *b != '\0') {
char ca = (char)(*a >= 'A' && *a <= 'Z' ? *a + 32 : *a);
char cb = (char)(*b >= 'A' && *b <= 'Z' ? *b + 32 : *b);
if (ca != cb) {
return 0;
}
a++;
b++;
}
return *a == '\0' && *b == '\0';
}
static const char *find_kv(const char *config, const char *key,
char *scratch, size_t scratch_len)
{
const char *cursor = config;
size_t key_len = strlen(key);
if (config == NULL || key == NULL) {
return NULL;
}
while (*cursor != '\0') {
const char *sep = strchr(cursor, ';');
const char *end = sep != NULL ? sep : cursor + strlen(cursor);
const char *eq = strchr(cursor, '=');
if (eq != NULL && eq < end && (size_t)(eq - cursor) == key_len &&
strncmp(cursor, key, key_len) == 0) {
const char *value = eq + 1;
size_t value_len = (size_t)(end - value);
if (value_len >= scratch_len) {
value_len = scratch_len - 1;
}
memcpy(scratch, value, value_len);
scratch[value_len] = '\0';
return scratch;
}
if (sep == NULL) {
break;
}
cursor = sep + 1;
}
return NULL;
}
static const char *find_host(const char *config, char *scratch, size_t len)
{
const char *value;
value = find_kv(config, "modem_host", scratch, len);
if (value != NULL && value[0] != '\0') {
return value;
}
return find_kv(config, "ardop_host", scratch, len);
}
static const char *find_port_str(const char *config, char *scratch, size_t len)
{
const char *value;
value = find_kv(config, "modem_port", scratch, len);
if (value != NULL && value[0] != '\0') {
return value;
}
return find_kv(config, "ardop_port", scratch, len);
}
hybbx_result_t hybbx_crdop_config_parse(const char *config,
hybbx_ardop_config_t *out)
{
char scratch[128];
const char *value;
if (out == NULL) {
return HYBBX_ERR_INVALID;
}
hybbx_ardop_config_free(out);
if (config == NULL) {
config = "";
}
value = find_host(config, scratch, sizeof(scratch));
out->ardop_host = crdop_strdup(value != NULL ? value : "127.0.0.1");
out->ardop_port = (unsigned)strtoul(
find_port_str(config, scratch, sizeof(scratch)) != NULL ?
scratch : "8515", NULL, 10);
value = find_kv(config, "mycall", scratch, sizeof(scratch));
out->mycall = crdop_strdup(value != NULL ? value : "NOCALL");
out->radio_profile = HYBBX_CRDOP_PROFILE_CB;
value = find_kv(config, "arq_bandwidth", scratch, sizeof(scratch));
out->arq_bandwidth = crdop_strdup(
value != NULL ? value :
hybbx_crdop_default_arq_bandwidth(HYBBX_CRDOP_PROFILE_CB));
value = find_kv(config, "peer_call", scratch, sizeof(scratch));
if (value != NULL && value[0] != '\0') {
out->peer_call = crdop_strdup(value);
}
value = find_kv(config, "listen", scratch, sizeof(scratch));
out->listen = value == NULL || str_ieq(value, "yes") || str_ieq(value, "1") ||
str_ieq(value, "true");
value = find_kv(config, "circuit_host", scratch, sizeof(scratch));
out->circuit_host = crdop_strdup(value != NULL ? value : "127.0.0.1");
out->circuit_port = (unsigned)strtoul(
find_kv(config, "circuit_port", scratch, sizeof(scratch)) != NULL ?
scratch : "7323", NULL, 10);
value = find_kv(config, "link_id", scratch, sizeof(scratch));
out->link_id = crdop_strdup(value != NULL ? value : "crdop-link");
value = find_kv(config, "link_password", scratch, sizeof(scratch));
if (value != NULL && value[0] != '\0') {
out->link_password = crdop_strdup(value);
}
value = find_kv(config, "link_role", scratch, sizeof(scratch));
out->link_role = crdop_strdup(value != NULL ? value : "link");
value = find_kv(config, "frequency_mhz", scratch, sizeof(scratch));
if (value == NULL || value[0] == '\0') {
value = find_kv(config, "frequency", scratch, sizeof(scratch));
}
if (value != NULL && value[0] != '\0') {
out->frequency_mhz = strtod(value, NULL);
}
if (hybbx_crdop_bandwidth_exceeds_cb(out->arq_bandwidth)) {
hybbx_log_warn("[crdop] warning: arq_bandwidth=%s high for CB profile",
out->arq_bandwidth);
}
if (out->ardop_host == NULL || out->mycall == NULL ||
out->arq_bandwidth == NULL || out->circuit_host == NULL ||
out->link_id == NULL || out->link_role == NULL) {
hybbx_ardop_config_free(out);
return HYBBX_ERR_NOMEM;
}
return HYBBX_OK;
}
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