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#include <marsio.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <pthread.h>
#include <arpa/inet.h>
#include <string.h>
#include <unistd.h>
static char appsym[64] = "mrtest-fb";
static char dev_src_symbol[64] = "meth1";
static char dev_dst_symbol[64] = "meth0";
static char str_target_ipaddr[64] = "192.168.100.50";
uint64_t cpu_mask = 0xff;
unsigned int nr_thread;
struct mr_instance * mr_instance = NULL;
struct mr_vdev * dev_src_handler = NULL;
struct mr_vdev * dev_dst_handler = NULL;
struct mr_sendpath * to_dev_dst_sendpath = NULL;
#define BURST_MAX 64
unsigned int nr_burst = 32;
void * feedback_loop(void * arg)
{
uintptr_t sid = (uintptr_t)arg;
marsio_buff_t * rx_buff[BURST_MAX];
marsio_buff_t * feedback_buffs[BURST_MAX];
unsigned int ret = 0;
marsio_thread_init(mr_instance);
for (;;)
{
ret = marsio_recv_burst(dev_src_handler, sid, rx_buff, nr_burst);
if (ret == 0) continue;
int alloc_ret = marsio_buff_malloc_device(dev_dst_handler, feedback_buffs, ret, 0, sid);
if (alloc_ret < 0)
{
printf("Alloc marsio buffer failed. ");
marsio_buff_free(mr_instance, rx_buff, ret, 0, 0);
continue;
}
for (int i = 0; i < ret; i++)
{
/* 复制数据 */
unsigned int raw_len = marsio_buff_datalen(rx_buff[i]);
void * raw_data = marsio_buff_mtod(rx_buff[i]);
void * dst_data = marsio_buff_append(feedback_buffs[i], raw_len);
memcpy(dst_data, raw_data, raw_len);
/* 构建UDP头部 */
// marsio_udp_header_construct(feedback_buffs[i], sid + 8080, 8866);
// marsio_ipv4_header_construct(feedback_buffs[i], 0, 0, IPPROTO_UDP);
}
marsio_send_burst(to_dev_dst_sendpath, sid, feedback_buffs, ret);
marsio_buff_free(mr_instance, rx_buff, ret, 0, 0);
}
return (void *)NULL;
}
int help()
{
return 0;
}
int main(int argc, char * argv[])
{
int opt = 0;
while ((opt = getopt(argc, argv, "s:d:a:c:b:t:h?")) != -1)
{
char * endptr = NULL;
switch (opt)
{
case '?':
case 'h':
{
help();
break;
}
case 's':
{
snprintf(dev_src_symbol, sizeof(dev_src_symbol), "%s", optarg);
break;
}
case 'd':
{
snprintf(dev_dst_symbol, sizeof(dev_dst_symbol), "%s", optarg);
break;
}
case 't':
{
snprintf(str_target_ipaddr, sizeof(str_target_ipaddr), "%s", optarg);
break;
}
case 'a':
{
snprintf(appsym, sizeof(appsym), "%s", optarg);
break;
}
case 'c':
{
cpu_mask = strtoull(optarg, &endptr, 0);
if (cpu_mask == 0 && endptr == optarg) help();
break;
}
case 'b':
{
nr_burst = strtoull(optarg, &endptr, 0);
if (nr_burst == 0 && endptr == optarg) help();
break;
}
default:
help();
break;
}
}
mr_instance = marsio_create();
if (mr_instance == NULL)
{
fprintf(stderr, "Marsio instance create failed. ");
abort();
}
struct in_addr target_ip_addr;
inet_pton(AF_INET, str_target_ipaddr, &target_ip_addr);
unsigned int opt_value = 1;
marsio_option_set(mr_instance, MARSIO_OPT_EXIT_WHEN_ERR, &opt_value, sizeof(opt_value));
marsio_option_set(mr_instance, MARSIO_OPT_THREAD_MASK, &cpu_mask, sizeof(cpu_mask));
marsio_init(mr_instance, appsym);
nr_thread = __builtin_popcountll(cpu_mask);
dev_src_handler = marsio_open_device(mr_instance, dev_src_symbol, nr_thread, nr_thread);
dev_dst_handler = marsio_open_device(mr_instance, dev_dst_symbol, nr_thread, nr_thread);
to_dev_dst_sendpath = marsio_sendpath_create_by_droute(dev_dst_handler, target_ip_addr);
fprintf(stdout, "Thread Count = %d\n", nr_thread);
pthread_t __tmp_pid[nr_thread];
for (int i = 0; i < nr_thread; i++)
{
pthread_create(&__tmp_pid[i], NULL, feedback_loop, (void *)(uintptr_t)i);
}
for (int i = 0; i < nr_thread; i++)
{
pthread_join(__tmp_pid[i], NULL);
}
marsio_destory(mr_instance);
fprintf(stdout, "Feedback is terminated. ");
return 0;
}
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