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#include <stdlib.h>
#include <string.h>
#include <ecp/core.h>
#include <ecp/tr.h>
#include <eos/eos.h>
#include <eos/dev/net.h>
ECPSocket *_ecp_tr_sock = NULL;
unsigned char pld_buf[ECP_MAX_PLD];
static void packet_handler(unsigned char type, unsigned char *buffer, uint16_t len) {
ECPContext *ctx;
ECP2Buffer bufs;
ECPBuffer packet;
ECPBuffer payload;
ecp_tr_addr_t addr;
ssize_t rv;
bufs.packet = &packet;
bufs.payload = &payload;
packet.buffer = buffer+EOS_SOCK_SIZE_UDP_HDR;
packet.size = EOS_NET_MTU-EOS_SOCK_SIZE_UDP_HDR;
payload.buffer = pld_buf;
payload.size = ECP_MAX_PLD;
if (len < EOS_SOCK_SIZE_UDP_HDR) {
eos_net_free(buffer, 0);
return;
}
eos_sock_recvfrom(buffer, len, NULL, 0, &addr);
ctx = _ecp_tr_sock->ctx;
rv = ecp_pkt_handle(_ecp_tr_sock, NULL, &addr, &bufs, len-EOS_SOCK_SIZE_UDP_HDR);
if ((rv < 0) && ctx->logger) {
int _rv = rv;
ctx->logger("packet_handler: err:%d\n", _rv);
}
if (bufs.packet->buffer) {
eos_net_free(buffer, 0);
} else {
eos_net_release();
}
}
int ecp_tr_init(ECPContext *ctx) {
return ECP_OK;
}
unsigned int ecp_tr_addr_hash(ecp_tr_addr_t *addr) {
unsigned int ret = *((unsigned int *)addr->host);
return ret ^ ((unsigned int)addr->port << 16);
}
int ecp_tr_addr_eq(ecp_tr_addr_t *addr1, ecp_tr_addr_t *addr2) {
if (addr1->port != addr2->port) return 0;
if (memcmp(addr1->host, addr2->host, sizeof(addr1->host)) != 0) return 0;
return 1;
}
int ecp_tr_addr_set(ecp_tr_addr_t *addr, void *addr_s) {
return ECP_ERR;
}
int ecp_tr_open(ECPSocket *sock, ecp_tr_addr_t *addr) {
int rv;
rv = eos_sock_open_udp(packet_handler, NULL);
if (rv < 0) return ECP_ERR_OPEN;
sock->sock = rv;
_ecp_tr_sock = sock;
return ECP_OK;
}
void ecp_tr_close(ECPSocket *sock) {
eos_sock_close(sock->sock, NULL);
_ecp_tr_sock = NULL;
}
ssize_t ecp_tr_send(ECPSocket *sock, ECPBuffer *packet, size_t pkt_size, ecp_tr_addr_t *addr, unsigned char flags) {
unsigned char *buf = NULL;
int reply;
int rv;
reply = 0;
if (flags & ECP_SEND_FLAG_REPLY) {
if (flags & ECP_SEND_FLAG_MORE) return ECP_ERR;
if (packet->buffer) {
buf = packet->buffer-EOS_SOCK_SIZE_UDP_HDR;
packet->buffer = NULL;
reply = 1;
}
} else {
buf = eos_net_alloc();
}
if (buf == NULL) return ECP_ERR_ALLOC;
rv = eos_sock_sendto_async(sock->sock, reply ? NULL : packet->buffer, pkt_size, addr, buf, !!(flags & ECP_SEND_FLAG_MORE));
if (rv) return ECP_ERR_SEND;
return pkt_size;
}
ssize_t ecp_tr_recv(ECPSocket *sock, ECPBuffer *packet, ecp_tr_addr_t *addr, int timeout) {
return ECP_ERR;
}
void ecp_tr_release(ECPBuffer *packet, unsigned char more) {
if (packet->buffer) {
eos_net_free(packet->buffer-EOS_SOCK_SIZE_UDP_HDR, more);
packet->buffer = NULL;
} else if (!more) {
eos_net_release();
}
}
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