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Allow linking with multiple device drivers.

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Apart from the platform specific tun/tap driver, link with the dummy and
raw_socket devices, and optionally with support for UML and VDE devices.
At runtime, the DeviceType option can be used to select which driver to
use.
This commit is contained in:
Guus Sliepen 2011-12-04 01:20:59 +01:00
parent 5672863e59
commit 178e52f76e
19 changed files with 281 additions and 96 deletions
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18
src/bsd/device.c
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@ -58,7 +58,7 @@ static device_type_t device_type = DEVICE_TYPE_TUNIFHEAD;
static device_type_t device_type = DEVICE_TYPE_TUN;
#endif
bool setup_device(void) {
static bool setup_device(void) {
char *type;
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
@ -175,7 +175,7 @@ bool setup_device(void) {
return true;
}
void close_device(void) {
static void close_device(void) {
switch(device_type) {
#ifdef HAVE_TUNEMU
case DEVICE_TYPE_TUNEMU:
@ -190,7 +190,7 @@ void close_device(void) {
free(iface);
}
bool read_packet(vpn_packet_t *packet) {
static bool read_packet(vpn_packet_t *packet) {
int lenin;
switch(device_type) {
@ -282,7 +282,7 @@ bool read_packet(vpn_packet_t *packet) {
return true;
}
bool write_packet(vpn_packet_t *packet) {
static bool write_packet(vpn_packet_t *packet) {
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
@ -351,8 +351,16 @@ bool write_packet(vpn_packet_t *packet) {
return true;
}
void dump_device_stats(void) {
static void dump_device_stats(void) {
logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device);
logger(LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in);
logger(LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
}
const devops_t os_devops = {
.setup = setup_device,
.close = close_device,
.read = read_packet,
.write = write_packet,
.dump_stats = dump_device_stats,
};