From 01c3e3af2394f863323b846fa304ff7e0a30e9df Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Tue, 16 Jan 2018 23:43:07 +0100
Subject: eos support

---
 code/ecp/fe310/transport.c | 46 +++++++++++++++++++++++++++++++++++++---------
 1 file changed, 37 insertions(+), 9 deletions(-)

(limited to 'code/ecp/fe310/transport.c')

diff --git a/code/ecp/fe310/transport.c b/code/ecp/fe310/transport.c
index b833ee3..9ff04ca 100644
--- a/code/ecp/fe310/transport.c
+++ b/code/ecp/fe310/transport.c
@@ -1,10 +1,10 @@
 #include <stddef.h>
 #include <string.h>
 
-#include <core.h>
+#include <eos/eos.h>
+#include <eos/net.h>
 
-#include "eos.h"
-#include "net.h"
+#include <core.h>
 
 static int t_addr_eq(ECPNetAddr *addr1, ECPNetAddr *addr2) {
     if (addr1->port != addr2->port) return 0;
@@ -20,27 +20,55 @@ static int t_open(int *sock, void *addr_s) {
 static void t_close(int *sock) {
 }
 
-static ssize_t t_send(int *sock, void *msg, size_t msg_size, ECPNetAddr *addr) {
-    unsigned char *buf = msg;
+static ssize_t t_send(int *sock, ECPBuffer *packet, size_t msg_size, ECPNetAddr *addr, unsigned char flags) {
+    unsigned char *buf = NULL;
     size_t addr_len = sizeof(addr->host) + sizeof(addr->port);
     uint16_t buf_size = msg_size + addr_len;
+    unsigned char cmd = EOS_NET_CMD_PKT;
     int rv;
 
-    buf -= addr_len;
+    if (flags & ECP_SEND_FLAG_MORE) {
+        cmd |= EOS_NET_CMD_FLAG_ONEW;
+    }
+    if (flags & ECP_SEND_FLAG_REPLY) {
+        if (packet && packet->buffer) buf = packet->buffer-addr_len;
+    } else {
+        buf = eos_net_alloc();
+    }
+    if (buf == NULL) return ECP_ERR;
     memcpy(buf, addr->host, sizeof(addr->host));
     memcpy(buf+sizeof(addr->host), &addr->port, sizeof(addr->port));
-    rv = eos_net_send(EOS_NET_CMD_PKT, buf, buf_size);
+    rv = eos_net_send(cmd, buf, buf_size);
     if (rv) return ECP_ERR_SEND;
     return msg_size;
 }
 
+static void t_buf_free(ECP2Buffer *b, unsigned char flags) {
+    size_t addr_len = ECP_IPv4_ADDR_SIZE + sizeof(uint16_t);
+    if (b && b->packet && b->packet->buffer) eos_net_free(b->packet->buffer-addr_len, flags & ECP_SEND_FLAG_MORE);
+}
+
+static void t_buf_flag_set(ECP2Buffer *b, unsigned char flags) {
+    size_t addr_len = ECP_IPv4_ADDR_SIZE + sizeof(uint16_t);
+    if (flags & ECP_SEND_FLAG_MORE) {
+        if (b && b->packet && b->packet->buffer) eos_net_reserve(b->packet->buffer-addr_len);
+    }
+}
+
+static void t_buf_flag_clear(ECP2Buffer *b, unsigned char flags) {
+    if (flags & ECP_SEND_FLAG_MORE) {
+        eos_net_release(1);
+    }
+}
+
 int ecp_transport_init(ECPTransportIface *t) {
     t->init = 1;
     t->open = t_open;
     t->close = t_close;
     t->send = t_send;
-    t->recv = NULL;
     t->addr_eq = t_addr_eq;
-    t->addr_set = NULL;
+    t->buf_free = t_buf_free;
+    t->buf_flag_set = t_buf_flag_set;
+    t->buf_flag_clear = t_buf_flag_clear;
     return ECP_OK;
 }
-- 
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