introduced new logging subsystem using bus:

passive listeners can register on the bus
  active listeners wait for signals actively
  multiplexing allows multiple listeners to receive debug signals
  a lot more...
This commit is contained in:
Martin Willi
2006-10-18 11:46:13 +00:00
parent 8cdce67afa
commit 60356f3375
129 changed files with 4264 additions and 6440 deletions
+88 -85
View File
@@ -25,12 +25,18 @@
#include <string.h>
#include <netdb.h>
#include <stdio.h>
#include <printf.h>
#include "traffic_selector.h"
#include <utils/linked_list.h>
#include <utils/identification.h>
ENUM(ts_type_name, TS_IPV4_ADDR_RANGE, TS_IPV6_ADDR_RANGE,
"TS_IPV4_ADDR_RANGE",
"TS_IPV6_ADDR_RANGE",
);
typedef struct private_traffic_selector_t private_traffic_selector_t;
/**
@@ -86,11 +92,6 @@ struct private_traffic_selector_t {
* end of port range
*/
u_int16_t to_port;
/**
* string representation of this traffic selector
*/
char *string;
};
/**
@@ -146,50 +147,43 @@ static u_int8_t calc_netbits(private_traffic_selector_t *this)
return (size * 8);
}
/**
* internal generic constructor
*/
static private_traffic_selector_t *traffic_selector_create(u_int8_t protocol, ts_type_t type, u_int16_t from_port, u_int16_t to_port);
/**
* update the string representation of this traffic selector
* output handler in printf()
*/
static void update_string(private_traffic_selector_t *this)
static int print(FILE *stream, const struct printf_info *info,
const void *const *args)
{
char buf[256];
private_traffic_selector_t *this = *((private_traffic_selector_t**)(args[0]));
char addr_str[INET6_ADDRSTRLEN] = "";
u_int8_t mask;
struct protoent *proto;
struct servent *serv;
char *serv_proto = NULL;
char proto_str[8] = "";
char addr_str[INET6_ADDRSTRLEN];
char port_str[16] = "";
char mask_str[8] = "";
char proto_port_str[32] = "";
bool has_proto = FALSE, has_port = FALSE;
bool has_proto = FALSE;
size_t written, total_written = 0;
#define fprintf_sum(...) { written = fprintf(__VA_ARGS__); if (written < 0) return written; total_written += written; }
if (this == NULL)
{
return fprintf(stream, "(null)");
}
if (this->type == TS_IPV4_ADDR_RANGE)
{
u_int8_t mask;
/* build address string */
inet_ntop(AF_INET, &this->from4, addr_str, sizeof(addr_str));
/* build network mask string */
mask = calc_netbits(this);
snprintf(mask_str, sizeof(mask_str), "/%d", mask);
}
else
{
u_int8_t mask;
/* build address string */
inet_ntop(AF_INET6, &this->from6, addr_str, sizeof(addr_str));
/* build network mask string */
mask = calc_netbits(this);
snprintf(mask_str, sizeof(mask_str), "/%d", mask);
}
mask = calc_netbits(this);
fprintf_sum(stream, "%s/%d", addr_str, mask);
/* build protocol string */
if (this->protocol)
@@ -197,12 +191,12 @@ static void update_string(private_traffic_selector_t *this)
proto = getprotobynumber(this->protocol);
if (proto)
{
snprintf(proto_str, sizeof(proto_str), "%s", proto->p_name);
fprintf_sum(stream, "[%s", proto->p_name);
serv_proto = proto->p_name;
}
else
{
snprintf(proto_str, sizeof(proto_str), "%d", this->protocol);
fprintf_sum(stream, "[%d", this->protocol);
}
has_proto = TRUE;
}
@@ -210,55 +204,58 @@ static void update_string(private_traffic_selector_t *this)
/* build port string */
if (this->from_port == this->to_port)
{
serv = getservbyport(htons(this->from_port), serv_proto);
if (serv)
if (has_proto)
{
snprintf(port_str, sizeof(port_str), "%s", serv->s_name);
fprintf_sum(stream, "/");
}
else
{
snprintf(port_str, sizeof(port_str), "%d", this->from_port);
fprintf_sum(stream, "[");
}
serv = getservbyport(htons(this->from_port), serv_proto);
if (serv)
{
fprintf_sum(stream, "%s]", serv->s_name);
}
else
{
fprintf_sum(stream, "%d]", this->from_port);
}
has_port = TRUE;
}
else if (!(this->from_port == 0 && this->to_port == 0xFFFF))
{
snprintf(port_str, sizeof(port_str), "%d-%d",
this->from_port, this->to_port);
has_port = TRUE;
if (has_proto)
{
fprintf_sum(stream, "/");
}
else
{
fprintf_sum(stream, "[");
}
fprintf_sum(stream, "%d-%d]", this->from_port, this->to_port);
}
/* concatenate port & proto string */
if (has_proto && has_port)
{
snprintf(proto_port_str, sizeof(proto_port_str), "[%s/%s]",
proto_str, port_str);
}
else if (has_proto)
{
snprintf(proto_port_str, sizeof(proto_port_str), "[%s]", proto_str);
}
else if (has_port)
{
snprintf(proto_port_str, sizeof(proto_port_str), "[%s]", port_str);
}
/* concatenate it all */
snprintf(buf, sizeof(buf), "%s%s%s", addr_str, mask_str, proto_port_str);
if (this->string)
{
free(this->string);
}
this->string = strdup(buf);
return total_written;
}
/**
* implements traffic_selector_t.get_string
* arginfo handler in printf()
*/
static char *get_string(private_traffic_selector_t *this)
static int print_arginfo(const struct printf_info *info, size_t n, int *argtypes)
{
return this->string;
if (n > 0)
{
argtypes[0] = PA_POINTER;
}
return 1;
}
/**
* register printf() handlers
*/
static void __attribute__ ((constructor))print_register()
{
register_printf_function(TRAFFIC_SELECTOR_PRINTF_SPEC, print, print_arginfo);
}
/**
@@ -326,7 +323,6 @@ static traffic_selector_t *get_subset(private_traffic_selector_t *this, private_
new_ts->type = this->type;
memcpy(new_ts->from, from, size);
memcpy(new_ts->to, to, size);
update_string(new_ts);
return &new_ts->public;
}
@@ -454,23 +450,43 @@ static u_int8_t get_protocol(private_traffic_selector_t *this)
return this->protocol;
}
/**
* Implements traffic_selector_t.is_host.
*/
static bool is_host(private_traffic_selector_t *this, host_t *host)
{
chunk_t addr;
int family = host->get_family(host);
if ((family == AF_INET && this->type == TS_IPV4_ADDR_RANGE) ||
(family == AF_INET6 && this->type == TS_IPV6_ADDR_RANGE))
{
addr = host->get_address(host);
if (memeq(addr.ptr, this->from, addr.len) &&
memeq(addr.ptr, this->to, addr.len))
{
return TRUE;
}
}
return FALSE;
}
/**
* Implements traffic_selector_t.update_address_range.
*/
static void update_address_range(private_traffic_selector_t *this, host_t *host)
{
if ((this->type == TS_IPV4_ADDR_RANGE && this->from4[0] == 0) ||
(this->type == TS_IPV6_ADDR_RANGE && this->from6[0] == 0 &&
this->from6[1] == 0 && this->from6[2] == 0 && this->from6[3] == 0))
(this->type == TS_IPV6_ADDR_RANGE && this->from6[0] == 0 &&
this->from6[1] == 0 && this->from6[2] == 0 && this->from6[3] == 0))
{
this->type = host->get_family(host) == AF_INET ?
TS_IPV4_ADDR_RANGE : TS_IPV6_ADDR_RANGE;
TS_IPV4_ADDR_RANGE : TS_IPV6_ADDR_RANGE;
chunk_t from = host->get_address(host);
memcpy(this->from, from.ptr, from.len);
memcpy(this->to, from.ptr, from.len);
}
update_string(this);
}
/**
@@ -488,14 +504,12 @@ static traffic_selector_t *clone_(private_traffic_selector_t *this)
{
memcpy(clone->from4, this->from4, sizeof(this->from4));
memcpy(clone->to4, this->to4, sizeof(this->to4));
update_string(clone);
return &clone->public;
}
case TS_IPV6_ADDR_RANGE:
{
memcpy(clone->from6, this->from6, sizeof(this->from6));
memcpy(clone->to6, this->to6, sizeof(this->to6));
update_string(clone);
return &clone->public;
}
default:
@@ -511,7 +525,6 @@ static traffic_selector_t *clone_(private_traffic_selector_t *this)
*/
static void destroy(private_traffic_selector_t *this)
{
free(this->string);
free(this);
}
@@ -552,9 +565,6 @@ traffic_selector_t *traffic_selector_create_from_bytes(u_int8_t protocol, ts_typ
return NULL;
}
}
update_string(this);
return (&this->public);
}
@@ -618,9 +628,6 @@ traffic_selector_t *traffic_selector_create_from_subnet(host_t *net, u_int8_t ne
this->from_port = port;
this->to_port = port;
}
update_string(this);
return (&this->public);
}
@@ -667,9 +674,6 @@ traffic_selector_t *traffic_selector_create_from_string(u_int8_t protocol, ts_ty
break;
}
}
update_string(this);
return (&this->public);
}
@@ -683,13 +687,13 @@ static private_traffic_selector_t *traffic_selector_create(u_int8_t protocol, ts
/* public functions */
this->public.get_subset = (traffic_selector_t*(*)(traffic_selector_t*,traffic_selector_t*))get_subset;
this->public.equals = (bool(*)(traffic_selector_t*,traffic_selector_t*))equals;
this->public.get_string = (char*(*)(traffic_selector_t*))get_string;
this->public.get_from_address = (chunk_t(*)(traffic_selector_t*))get_from_address;
this->public.get_to_address = (chunk_t(*)(traffic_selector_t*))get_to_address;
this->public.get_from_port = (u_int16_t(*)(traffic_selector_t*))get_from_port;
this->public.get_to_port = (u_int16_t(*)(traffic_selector_t*))get_to_port;
this->public.get_type = (ts_type_t(*)(traffic_selector_t*))get_type;
this->public.get_type = (ts_type_t(*)(traffic_selector_t*))get_type;
this->public.get_protocol = (u_int8_t(*)(traffic_selector_t*))get_protocol;
this->public.is_host = (bool(*)(traffic_selector_t*,host_t*))is_host;
this->public.update_address_range = (void(*)(traffic_selector_t*,host_t*))update_address_range;
this->public.clone = (traffic_selector_t*(*)(traffic_selector_t*))clone_;
this->public.destroy = (void(*)(traffic_selector_t*))destroy;
@@ -698,7 +702,6 @@ static private_traffic_selector_t *traffic_selector_create(u_int8_t protocol, ts
this->to_port = to_port;
this->protocol = protocol;
this->type = type;
this->string = NULL;
return this;
}