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#include <stddef.h>
#include <string.h>
#include "encoding.h"
#include "platform.h"
#include "event.h"
#include "timer.h"
#include "net.h"
#include "ecp.h"
static ECPSocket *_sock = NULL;
static unsigned char net_buf_reserved = 0;
static void timer_handler(unsigned char cmd, unsigned char *buffer, uint16_t len) {
int ok = eos_net_acquire(net_buf_reserved);
if (ok) {
ecp_cts_t next = ecp_timer_exe(_sock);
if (next) {
uint32_t tick = next * (uint64_t)RTC_FREQ / 1000;
eos_timer_set(tick, 1);
}
eos_net_release(1);
net_buf_reserved = 0;
} else {
net_buf_reserved = 1;
eos_evtq_push(EOS_EVT_TIMER, NULL, 0);
}
}
static void packet_handler(unsigned char cmd, unsigned char *buffer, uint16_t len) {
ECPNetAddr addr;
size_t addr_len = sizeof(addr.host) + sizeof(addr.port);
ECP2Buffer bufs;
ECPBuffer packet;
ECPBuffer payload;
unsigned char pld_buf[ECP_MAX_PLD];
bufs.packet = &packet;
bufs.payload = &payload;
packet.buffer = buffer+addr_len;
packet.size = ECP_MAX_PKT;
payload.buffer = pld_buf;
payload.size = ECP_MAX_PLD;
memcpy(addr.host, buffer, sizeof(addr.host));
memcpy(&addr.port, buffer+sizeof(addr.host), sizeof(addr.port));
ssize_t rv = ecp_pkt_handle(_sock, &addr, NULL, &bufs, len-addr_len);
if (bufs.packet->buffer) eos_net_free(buffer, 0);
eos_net_release(0);
}
int ecp_init(ECPContext *ctx) {
int rv;
rv = ecp_ctx_create(ctx);
if (rv) return rv;
eos_evtq_set_handler(EOS_EVT_TIMER, timer_handler);
eos_evtq_set_handler(EOS_EVT_MASK_NET | EOS_NET_CMD_PKT, packet_handler);
return ECP_OK;
}
void ecp_sock_set(ECPSocket *s) {
_sock = s;
}
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