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Support defining the default callback handler with an environment variable

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This commit is contained in:
Thomas Graf 2007-12-18 13:06:48 +01:00
parent 3c56ed5787
commit 680c54fd46
2 changed files with 22 additions and 30 deletions
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22
lib/socket.c
View file

@ -96,6 +96,26 @@
#include <netlink/msg.h>
#include <netlink/attr.h>
static int default_cb = NL_CB_DEFAULT;
static void __init init_default_cb(void)
{
char *nlcb;
if ((nlcb = getenv("NLCB"))) {
if (!strcasecmp(nlcb, "default"))
default_cb = NL_CB_DEFAULT;
else if (!strcasecmp(nlcb, "verbose"))
default_cb = NL_CB_VERBOSE;
else if (!strcasecmp(nlcb, "debug"))
default_cb = NL_CB_DEBUG;
else {
fprintf(stderr, "Unknown value for NLCB, valid values: "
"{default | verbose | debug}\n");
}
}
}
static uint32_t used_ports_map[32];
static uint32_t generate_local_port(void)
@ -175,7 +195,7 @@ struct nl_handle *nl_handle_alloc(void)
{
struct nl_cb *cb;
cb = nl_cb_alloc(NL_CB_DEFAULT);
cb = nl_cb_alloc(default_cb);
if (!cb) {
nl_errno(ENOMEM);
return NULL;

30
src/utils.c
View file

@ -13,37 +13,9 @@
#include <stdlib.h>
static struct nl_cb *nltool_cb;
int nltool_init(int argc, char *argv[])
{
char *nlcb = getenv("NLCB");
int cbset = NL_CB_VERBOSE;
if (nlcb) {
if (!strcasecmp(nlcb, "default"))
cbset = NL_CB_DEFAULT;
else if (!strcasecmp(nlcb, "verbose"))
cbset = NL_CB_VERBOSE;
else if (!strcasecmp(nlcb, "debug"))
cbset = NL_CB_DEBUG;
else {
fprintf(stderr, "Unknown value for NLCB, valid values: "
"{default | verbose | debug}\n");
goto errout;
}
}
nltool_cb = nl_cb_alloc(cbset);
if (nltool_cb == NULL) {
fprintf(stderr, "Cannot allocate callback handle\n");
goto errout;
}
return 0;
errout:
return -1;
}
int nltool_connect(struct nl_handle *nlh, int protocol)
@ -60,7 +32,7 @@ int nltool_connect(struct nl_handle *nlh, int protocol)
struct nl_handle *nltool_alloc_handle(void)
{
return nl_handle_alloc_cb(nltool_cb);
return nl_handle_alloc();
}
struct nl_addr *nltool_addr_parse(const char *str)