From 64b55e7e1236121ea4197d9a37cfec43b196cfe8 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Wed, 2 Feb 2022 06:40:10 +0100
Subject: moved ecp, platform -> src

---
 ecp/src/platform/fe310/transport.c | 116 +++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 ecp/src/platform/fe310/transport.c

(limited to 'ecp/src/platform/fe310/transport.c')

diff --git a/ecp/src/platform/fe310/transport.c b/ecp/src/platform/fe310/transport.c
new file mode 100644
index 0000000..777a956
--- /dev/null
+++ b/ecp/src/platform/fe310/transport.c
@@ -0,0 +1,116 @@
+#include <stdlib.h>
+
+#include <core.h>
+#include <tr.h>
+
+#include <eos/eos.h>
+#include <eos/net.h>
+
+static unsigned char _flags = 0;
+
+ECPSocket *_ecp_tr_sock = NULL;
+
+static void packet_handler(unsigned char type, unsigned char *buffer, uint16_t len) {
+    ECPNetAddr addr;
+
+    ECP2Buffer bufs;
+    ECPBuffer packet;
+    ECPBuffer payload;
+    unsigned char pld_buf[ECP_MAX_PLD];
+
+    bufs.packet = &packet;
+    bufs.payload = &payload;
+
+    packet.buffer = buffer+EOS_SOCK_SIZE_UDP_HDR;
+    packet.size = ECP_MAX_PKT;
+    payload.buffer = pld_buf;
+    payload.size = ECP_MAX_PLD;
+
+    if ((buffer == NULL) || (len < EOS_SOCK_SIZE_UDP_HDR)) {
+        eos_net_free(buffer, 0);
+        return;
+    }
+
+    eos_sock_getfrom(buffer, &addr);
+    ssize_t rv = ecp_pkt_handle(_ecp_tr_sock, &addr, NULL, &bufs, len-EOS_SOCK_SIZE_UDP_HDR);
+#ifdef ECP_DEBUG
+    if (rv < 0) {
+        char b[16];
+        puts("ERR:");
+        puts(itoa(rv, b, 10));
+        puts("\n");
+    }
+#endif
+    if (bufs.packet->buffer) eos_net_free(buffer, 0);
+    eos_net_release();
+}
+
+int ecp_tr_init(ECPContext *ctx) {
+    return ECP_OK;
+}
+
+int ecp_tr_addr_eq(ECPNetAddr *addr1, ECPNetAddr *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(ECPNetAddr *addr, void *addr_s) {
+    return ECP_ERR;
+}
+
+int ecp_tr_open(ECPSocket *sock, void *addr_s) {
+    sock->sock = eos_sock_open_udp(packet_handler);
+    if (sock->sock < 0) {
+        sock->sock = 0;
+        return ECP_ERR_SEND;
+    }
+    _ecp_tr_sock = sock;
+    return ECP_OK;
+}
+
+void ecp_tr_close(ECPSocket *sock) {
+    eos_sock_close(sock->sock);
+    _ecp_tr_sock = NULL;
+}
+
+ssize_t ecp_tr_send(ECPSocket *sock, ECPBuffer *packet, size_t msg_size, ECPNetAddr *addr, unsigned char flags) {
+    unsigned char *buf = NULL;
+    int rv;
+
+    flags |= _flags;
+    if (packet && packet->buffer) {
+        if (flags & ECP_SEND_FLAG_REPLY) {
+            buf = packet->buffer-EOS_SOCK_SIZE_UDP_HDR;
+            packet->buffer = NULL;
+        } else {
+            buf = eos_net_alloc();
+            memcpy(buf+EOS_SOCK_SIZE_UDP_HDR, packet->buffer, msg_size);
+        }
+    }
+    if (buf == NULL) return ECP_ERR;
+    rv = eos_sock_sendto(sock->sock, buf, msg_size+EOS_SOCK_SIZE_UDP_HDR, flags & ECP_SEND_FLAG_MORE, addr);
+    if (rv) return ECP_ERR_SEND;
+    return msg_size;
+}
+
+ssize_t ecp_tr_recv(ECPSocket *sock, ECPBuffer *packet, ECPNetAddr *addr, int timeout) {
+    return ECP_ERR;
+}
+
+void ecp_tr_release(ECPBuffer *packet, unsigned char more) {
+    if (packet && packet->buffer) {
+        eos_net_free(packet->buffer-EOS_SOCK_SIZE_UDP_HDR, more);
+        packet->buffer = NULL;
+    } else if (!more) {
+        eos_net_release();
+    }
+}
+
+void ecp_tr_flag_set(unsigned char flags) {
+    _flags |= flags;
+}
+
+void ecp_tr_flag_clear(unsigned char flags) {
+    _flags &= ~flags;
+}
-- 
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