static bool uuid_matched(char *buf, uuid_entry_t *entry)
{
char uuid[KINETIC_UUID_LENGTH];
/* get UUID */
memset(uuid, 0x00, sizeof(uuid));
if (get_tag_value(buf, KINETIC_UUID_TAG, uuid, sizeof(uuid)) == NULL)
return false;
if (strncasecmp(uuid, entry->uuid, sizeof(uuid)))
return false;
memset(entry->ip, 0x00, sizeof(entry->ip));
if (get_tag_value(buf, KINETIC_IPV4_TAG, entry->ip, sizeof(entry->ip)) != NULL)
return true;
if (get_tag_value(buf, KINETIC_IPV6_TAG, entry->ip, sizeof(entry->ip)) != NULL)
return true;
return false;
}
int handle_request(char *recv_ip, char *in, int in_len, char *out, int *out_len, int http)
{
char *action, *msgid, *body;
int action_len, msgid_len;
action = get_tag_value(in, wsd_discovery, sizeof(wsd_discovery)-1, &action_len);
if (!action)
action = get_tag_value(in, wsd_transfer, sizeof(wsd_transfer)-1, &action_len);
if (!action) {
if (http)
return action_get(0, out, out_len, http);
return -1;
}
msgid = get_tag_value(in, wsd_msgid, sizeof(wsd_msgid)-1, &msgid_len);
if (!msgid)
return -1;
body = strstr(in, wsd_body);
if (!msgid)
return -1;
action[action_len] = 0;
msgid[msgid_len] = 0;
wsdd_log(LOG_INFO, "Action %s", action);
if (strcmp(action, wsd_act_probe) == 0)
return action_probe(recv_ip, msgid, body, out, out_len, http);
if (strcmp(action, wsd_act_resolve) == 0)
return action_resolve(recv_ip, msgid, body, out, out_len, http);
if (strcmp(action, wsd_act_get) == 0)
return action_get(msgid, out, out_len, http);
return -1;
}
//simulate each memory operation
void parse_buffer(cache *sim_cache, char *buffer, int s, int E, int b, int *hit, int *miss, int *evict){
int address;
char opt;
sscanf(buffer, " %s %x", &opt, &address);
int seti = get_set_value(address, s, b);
int tagi = get_tag_value(address, s, b);
//simulate cache hit
for(int i = 0; i < E; ++ i){
if((sim_cache->sets[seti].lines[i].valid == 1)
&& (sim_cache->sets[seti].lines[i].tag == tagi)){
++ (*hit);
if(opt == 'M')
++ (*hit);
refresh_last_access(sim_cache->sets[seti].lines, E, i);
return ;
}
}
//simulate cache miss while there is no need to evict
++ (*miss);
for(int i = 0; i < E; ++ i){
if(sim_cache->sets[seti].lines[i].valid == 0){
sim_cache->sets[seti].lines[i].valid = 1;
sim_cache->sets[seti].lines[i].tag = tagi;
if(opt == 'M')
++ (*hit);
refresh_last_access(sim_cache->sets[seti].lines, E, i);
return ;
}
}
//simulate cache miss and there is need to evict
++ (*evict);
for(int i = 0; i < E; ++ i){
if(sim_cache->sets[seti].lines[i].last_access == 1){
sim_cache->sets[seti].lines[i].tag = tagi;
if(opt == 'M')
++ (*hit);
refresh_last_access(sim_cache->sets[seti].lines, E, i);
return;
}
}
}
int action_resolve(char *recv_ip, char *src_msgid, char *body, char* out, int *out_len, int http)
{
static const char wsd_resolve_match[] =
"<soap:Body>"
"<wsd:ResolveMatches>"
"<wsd:ResolveMatch>"
"<wsa:EndpointReference>"
"<wsa:Address>%s</wsa:Address>"
"</wsa:EndpointReference>"
"<wsd:Types>%s</wsd:Types>"
"<wsd:XAddrs>http://%s:%d/wsd/</wsd:XAddrs>"
"<wsd:MetadataVersion>2</wsd:MetadataVersion>"
"</wsd:ResolveMatch>"
"</wsd:ResolveMatches>"
"</soap:Body>"
"</soap:Envelope>";
char *endp;
int endp_len, ret_len;
endp = get_tag_value(body, wsd_addr, sizeof(wsd_addr)-1, &endp_len);
if (!endp) {
wsdd_log(LOG_INFO, "Endpoint not found");
return -1;
}
endp[endp_len] = 0;
if (strcasecmp(endp, endpoint))
return -1;
ret_len = *out_len;
if (gen_soap_header(out, &ret_len, wsd_to_anon, wsd_discovery, wsd_act_resolve_matches, src_msgid, http) < 0)
return -1;
ret_len += snprintf(out+ret_len, (*out_len)-ret_len, wsd_resolve_match, endpoint, wsd_device, recv_ip, WSD_HTTP_PORT);
*out_len = ret_len;
return 0;
}
int action_probe(char *recv_ip, char *src_msgid, char *body, char* out, int *out_len, int http)
{
static const char wsd_probe_match[] =
"<soap:Body>"
"<wsd:ProbeMatches>"
"<wsd:ProbeMatch>"
"<wsa:EndpointReference>"
"<wsa:Address>%s</wsa:Address>"
"</wsa:EndpointReference>"
"<wsd:Types>%s</wsd:Types>"
"<wsd:XAddrs>http://%s:%d/wsd/</wsd:XAddrs>"
"<wsd:MetadataVersion>2</wsd:MetadataVersion>"
"</wsd:ProbeMatch>"
"</wsd:ProbeMatches>"
"</soap:Body>"
"</soap:Envelope>";
char *types;
int types_len, ret_len;
types = get_tag_value(body, wsd_types, sizeof(wsd_types)-1, &types_len);
if (!types)
return -1;
types[types_len] = 0;
if (strncmp(types, wsd_device, types_len))
return -1;
ret_len = *out_len;
if (gen_soap_header(out, &ret_len, wsd_to_anon, wsd_discovery, wsd_act_probe_matches, src_msgid, http) < 0)
return -1;
ret_len += snprintf(out+ret_len, (*out_len)-ret_len, wsd_probe_match, endpoint, wsd_device, recv_ip, WSD_HTTP_PORT);
*out_len = ret_len;
return 0;
}
/*
* Use /proc/bus/usb/devices or /dev/bus/usb/devices file to determine
* host's USB devices. This is legacy support since many distributions
* are moving to /sys/bus/usb
*/
static int usb_host_scan_dev(void *opaque, USBScanFunc *func)
{
FILE *f = 0;
char line[1024];
char buf[1024];
int bus_num, addr, speed, device_count, class_id, product_id, vendor_id;
char product_name[512];
int ret = 0;
if (!usb_host_device_path) {
perror("husb: USB Host Device Path not set");
goto the_end;
}
snprintf(line, sizeof(line), "%s/devices", usb_host_device_path);
f = fopen(line, "r");
if (!f) {
perror("husb: cannot open devices file");
goto the_end;
}
device_count = 0;
bus_num = addr = speed = class_id = product_id = vendor_id = 0;
for(;;) {
if (fgets(line, sizeof(line), f) == NULL)
break;
if (strlen(line) > 0)
line[strlen(line) - 1] = '\0';
if (line[0] == 'T' && line[1] == ':') {
if (device_count && (vendor_id || product_id)) {
/* New device. Add the previously discovered device. */
ret = func(opaque, bus_num, addr, class_id, vendor_id,
product_id, product_name, speed);
if (ret)
goto the_end;
}
if (get_tag_value(buf, sizeof(buf), line, "Bus=", " ") < 0)
goto fail;
bus_num = atoi(buf);
if (get_tag_value(buf, sizeof(buf), line, "Dev#=", " ") < 0)
goto fail;
addr = atoi(buf);
if (get_tag_value(buf, sizeof(buf), line, "Spd=", " ") < 0)
goto fail;
if (!strcmp(buf, "480"))
speed = USB_SPEED_HIGH;
else if (!strcmp(buf, "1.5"))
speed = USB_SPEED_LOW;
else
speed = USB_SPEED_FULL;
product_name[0] = '\0';
class_id = 0xff;
device_count++;
product_id = 0;
vendor_id = 0;
} else if (line[0] == 'P' && line[1] == ':') {
if (get_tag_value(buf, sizeof(buf), line, "Vendor=", " ") < 0)
goto fail;
vendor_id = strtoul(buf, NULL, 16);
if (get_tag_value(buf, sizeof(buf), line, "ProdID=", " ") < 0)
goto fail;
product_id = strtoul(buf, NULL, 16);
} else if (line[0] == 'S' && line[1] == ':') {
if (get_tag_value(buf, sizeof(buf), line, "Product=", "") < 0)
goto fail;
pstrcpy(product_name, sizeof(product_name), buf);
} else if (line[0] == 'D' && line[1] == ':') {
if (get_tag_value(buf, sizeof(buf), line, "Cls=", " (") < 0)
goto fail;
class_id = strtoul(buf, NULL, 16);
}
fail: ;
}
if (device_count && (vendor_id || product_id)) {
/* Add the last device. */
ret = func(opaque, bus_num, addr, class_id, vendor_id,
product_id, product_name, speed);
}
the_end:
if (f)
fclose(f);
return ret;
}
