1 files changed, 193 insertions, 0 deletions
diff --git a/src/go/unit/nxt_go_lib.c b/src/go/unit/nxt_go_lib.c
new file mode 100644
index 00000000..474d313b
--- /dev/null
+++ b/src/go/unit/nxt_go_lib.c
@@ -0,0 +1,193 @@
+
+/*
+ * Copyright (C) Max Romanov
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifdef NXT_CONFIGURE
+
+#include <stdio.h>
+#include "nxt_go_lib.h"
+
+// Stubs to compile during configure process.
+int
+nxt_go_response_write(nxt_go_request_t r, void *buf, size_t len)
+{
+    return -1;
+}
+
+int
+nxt_go_request_read(nxt_go_request_t r, void *dst, size_t dst_len)
+{
+    return -1;
+}
+
+int
+nxt_go_request_read_from(nxt_go_request_t r, void *dst, size_t dst_len,
+    void *src, size_t src_len)
+{
+    return -1;
+}
+
+int
+nxt_go_request_close(nxt_go_request_t r)
+{
+    return -1;
+}
+
+int
+nxt_go_request_done(nxt_go_request_t r)
+{
+    return -1;
+}
+
+void
+nxt_go_ready()
+{
+}
+
+nxt_go_request_t
+nxt_go_process_port_msg(void *buf, size_t buf_len, void *oob, size_t oob_len)
+{
+    return 0;
+}
+
+#else
+
+#include "nxt_go_run_ctx.h"
+#include "nxt_go_log.h"
+#include "nxt_go_port.h"
+
+#include <nxt_main.h>
+#include <nxt_go_gen.h>
+
+int
+nxt_go_response_write(nxt_go_request_t r, void *buf, size_t len)
+{
+    nxt_int_t         rc;
+    nxt_go_run_ctx_t  *ctx;
+
+    if (nxt_slow_path(r == 0)) {
+        return 0;
+    }
+
+    nxt_go_debug("write: %d", (int) len);
+
+    ctx = (nxt_go_run_ctx_t *) r;
+    rc = nxt_go_ctx_write(ctx, buf, len);
+
+    return rc == NXT_OK ? len : -1;
+}
+
+
+int
+nxt_go_request_read(nxt_go_request_t r, void *dst, size_t dst_len)
+{
+    size_t            res;
+    nxt_go_run_ctx_t  *ctx;
+
+    if (nxt_slow_path(r == 0)) {
+        return 0;
+    }
+
+    ctx = (nxt_go_run_ctx_t *) r;
+
+    dst_len = nxt_min(dst_len, ctx->r.body.preread_size);
+
+    res = nxt_go_ctx_read_raw(ctx, dst, dst_len);
+
+    ctx->r.body.preread_size -= res;
+
+    return res;
+}
+
+
+int
+nxt_go_request_read_from(nxt_go_request_t r, void *dst, size_t dst_len,
+    void *src, size_t src_len)
+{
+    nxt_go_run_ctx_t  *ctx;
+
+    if (nxt_slow_path(r == 0)) {
+        return 0;
+    }
+
+    ctx = (nxt_go_run_ctx_t *) r;
+
+    nxt_go_ctx_add_msg(ctx, src, src_len);
+
+    return nxt_go_request_read(r, dst, dst_len);
+}
+
+
+int
+nxt_go_request_close(nxt_go_request_t r)
+{
+    return 0;
+}
+
+
+int
+nxt_go_request_done(nxt_go_request_t r)
+{
+    nxt_int_t          res;
+    nxt_go_run_ctx_t   *ctx;
+    nxt_go_msg_t       *msg, *b;
+
+    if (nxt_slow_path(r == 0)) {
+        return 0;
+    }
+
+    ctx = (nxt_go_run_ctx_t *) r;
+
+    res = nxt_go_ctx_flush(ctx, 1);
+
+    nxt_go_ctx_release_msg(ctx, &ctx->msg);
+
+    msg = ctx->msg.next;
+    while (msg != NULL) {
+        nxt_go_ctx_release_msg(ctx, msg);
+
+        b = msg;
+        msg = b->next;
+
+        free(b);
+    }
+
+    free(ctx);
+
+    return res;
+}
+
+
+void
+nxt_go_ready()
+{
+    char           *go_stream;
+    nxt_port_msg_t port_msg;
+
+    go_stream = getenv("NXT_GO_STREAM");
+
+    if (go_stream == NULL) {
+        return;
+    }
+
+    port_msg.stream = atol(go_stream);
+    port_msg.pid = getpid();
+    port_msg.reply_port = 0;
+    port_msg.type = _NXT_PORT_MSG_READY;
+    port_msg.last = 1;
+    port_msg.mmap = 0;
+
+    nxt_go_main_send(&port_msg, sizeof(port_msg), NULL, 0);
+}
+
+
+nxt_go_request_t
+nxt_go_process_port_msg(void *buf, size_t buf_len, void *oob, size_t oob_len)
+{
+    return nxt_go_port_on_read(buf, buf_len, oob, oob_len);
+}
+
+
+#endif /* NXT_CONFIGURE */