Unit application library.

Library now used in all language modules.
Old 'nxt_app_*' code removed.

See src/test/nxt_unit_app_test.c for usage sample.

1 files changed, 0 insertions, 554 deletions

diff --git a/src/go/unit/nxt_go_run_ctx.c b/src/go/unit/nxt_go_run_ctx.c
deleted file mode 100644
index 6aa5db77..00000000
--- a/src/go/unit/nxt_go_run_ctx.c
+++ /dev/null
@@ -1,554 +0,0 @@
-
-/*
- * Copyright (C) Max Romanov
- * Copyright (C) NGINX, Inc.
- */
-
-#include "nxt_go_run_ctx.h"
-#include "nxt_go_log.h"
-#include "nxt_go_process.h"
-#include "nxt_go_array.h"
-#include "nxt_go_mutex.h"
-#include "nxt_go_port_memory.h"
-
-#include "_cgo_export.h"
-
-#include <nxt_port_memory_int.h>
-#include <nxt_main.h>
-
-
-static nxt_int_t
-nxt_go_ctx_msg_rbuf(nxt_go_run_ctx_t *ctx, nxt_go_msg_t *msg, nxt_buf_t *buf,
-    uint32_t n)
-{
-    size_t               nchunks;
-    nxt_go_port_mmap_t   *port_mmap;
-    nxt_port_mmap_msg_t  *mmap_msg;
-
-    if (nxt_slow_path(msg->mmap_msg == NULL)) {
-        if (n > 0) {
-            nxt_go_warn("failed to get plain buf #%d", (int) n);
-
-            return NXT_ERROR;
-        }
-
-        buf->mem.start = (u_char *) (msg->port_msg + 1);
-        buf->mem.pos = buf->mem.start;
-        buf->mem.end = buf->mem.start + msg->raw_size;
-        buf->mem.free = buf->mem.end;
-
-        return NXT_OK;
-    }
-
-    mmap_msg = msg->mmap_msg + n;
-    if (nxt_slow_path(mmap_msg >= msg->end)) {
-        nxt_go_warn("no more data in shm #%d", (int) n);
-
-        return NXT_ERROR;
-    }
-
-    if (nxt_slow_path(mmap_msg->mmap_id >= ctx->process->incoming.nelts)) {
-        nxt_go_warn("incoming shared memory segment #%d not found "
-                    "for process %d", (int) mmap_msg->mmap_id,
-                    (int) msg->port_msg->pid);
-
-        return NXT_ERROR;
-    }
-
-    nxt_go_mutex_lock(&ctx->process->incoming_mutex);
-
-    port_mmap = nxt_go_array_at(&ctx->process->incoming, mmap_msg->mmap_id);
-    buf->mem.start = nxt_port_mmap_chunk_start(port_mmap->hdr,
-                                               mmap_msg->chunk_id);
-    buf->mem.pos = buf->mem.start;
-    buf->mem.free = buf->mem.start + mmap_msg->size;
-
-    nxt_go_mutex_unlock(&ctx->process->incoming_mutex);
-
-    nchunks = mmap_msg->size / PORT_MMAP_CHUNK_SIZE;
-    if ((mmap_msg->size % PORT_MMAP_CHUNK_SIZE) != 0) {
-        nchunks++;
-    }
-
-    buf->mem.end = buf->mem.start + nchunks * PORT_MMAP_CHUNK_SIZE;
-
-    return NXT_OK;
-}
-
-static nxt_int_t
-nxt_go_ctx_init_rbuf(nxt_go_run_ctx_t *ctx)
-{
-    return nxt_go_ctx_msg_rbuf(ctx, &ctx->msg, &ctx->rbuf, ctx->nrbuf);
-}
-
-static void
-nxt_go_ctx_init_msg(nxt_go_msg_t *msg, nxt_port_msg_t *port_msg,
-    size_t payload_size)
-{
-    void                 *data, *end;
-    nxt_port_mmap_msg_t  *mmap_msg;
-
-    memset(msg, 0, sizeof(nxt_go_msg_t));
-
-    msg->port_msg = port_msg;
-    msg->raw_size = payload_size;
-
-    data = port_msg + 1;
-    end = nxt_pointer_to(data, payload_size);
-
-    if (port_msg->tracking) {
-        msg->tracking = data;
-        data = msg->tracking + 1;
-    }
-
-    if (nxt_fast_path(port_msg->mmap != 0)) {
-        msg->mmap_msg = data;
-        msg->end = end;
-
-        mmap_msg = msg->mmap_msg;
-        while(mmap_msg < msg->end) {
-            msg->data_size += mmap_msg->size;
-            mmap_msg += 1;
-        }
-
-    } else {
-        msg->mmap_msg = NULL;
-        msg->end = NULL;
-        msg->data_size = payload_size;
-    }
-}
-
-void
-nxt_go_ctx_release_msg(nxt_go_run_ctx_t *ctx, nxt_go_msg_t *msg)
-{
-    u_char               *b, *e;
-    nxt_chunk_id_t       c;
-    nxt_go_port_mmap_t   *port_mmap;
-    nxt_port_mmap_msg_t  *mmap_msg, *end;
-
-    if (nxt_slow_path(msg->mmap_msg == NULL)) {
-        return;
-    }
-
-    mmap_msg = msg->mmap_msg;
-    end = msg->end;
-
-    nxt_go_mutex_lock(&ctx->process->incoming_mutex);
-
-    for (; mmap_msg < end; mmap_msg++ ) {
-        port_mmap = nxt_go_array_at(&ctx->process->incoming, mmap_msg->mmap_id);
-
-        c = mmap_msg->chunk_id;
-        b = nxt_port_mmap_chunk_start(port_mmap->hdr, c);
-        e = b + mmap_msg->size;
-
-        while (b < e) {
-            nxt_port_mmap_set_chunk_free(port_mmap->hdr->free_map, c);
-
-            b += PORT_MMAP_CHUNK_SIZE;
-            c++;
-        }
-    }
-
-    nxt_go_mutex_unlock(&ctx->process->incoming_mutex);
-}
-
-
-nxt_int_t
-nxt_go_ctx_init(nxt_go_run_ctx_t *ctx, nxt_port_msg_t *port_msg,
-    size_t payload_size)
-{
-    nxt_atomic_t                  *val;
-    nxt_go_port_mmap_t            *port_mmap;
-    nxt_port_mmap_tracking_msg_t  *tracking;
-
-    memset(ctx, 0, sizeof(nxt_go_run_ctx_t));
-
-    ctx->process = nxt_go_get_process(port_msg->pid);
-    if (nxt_slow_path(ctx->process == NULL)) {
-        nxt_go_warn("failed to get process %d", port_msg->pid);
-
-        return NXT_ERROR;
-    }
-
-    nxt_go_ctx_init_msg(&ctx->msg, port_msg, payload_size);
-
-    if (ctx->msg.tracking != NULL) {
-        tracking = ctx->msg.tracking;
-
-        if (nxt_slow_path(tracking->mmap_id >= ctx->process->incoming.nelts)) {
-            nxt_go_warn("incoming shared memory segment #%d not found "
-                        "for process %d", (int) tracking->mmap_id,
-                        (int) port_msg->pid);
-
-            return NXT_ERROR;
-        }
-
-        nxt_go_mutex_lock(&ctx->process->incoming_mutex);
-
-        port_mmap = nxt_go_array_at(&ctx->process->incoming, tracking->mmap_id);
-
-        nxt_go_mutex_unlock(&ctx->process->incoming_mutex);
-
-        val = port_mmap->hdr->tracking + tracking->tracking_id;
-
-        ctx->cancelled = nxt_atomic_cmp_set(val, port_msg->stream, 0) == 0;
-
-        if (ctx->cancelled) {
-            nxt_port_mmap_set_chunk_free(port_mmap->hdr->free_tracking_map,
-                                         tracking->tracking_id);
-
-            return NXT_OK;
-        }
-    }
-
-    ctx->msg_last = &ctx->msg;
-
-    ctx->wport_msg.stream = port_msg->stream;
-    ctx->wport_msg.pid = getpid();
-    ctx->wport_msg.type = _NXT_PORT_MSG_DATA;
-    ctx->wport_msg.mmap = 1;
-
-    ctx->wmmap_msg = (nxt_port_mmap_msg_t *) ( &ctx->wport_msg + 1 );
-
-    return nxt_go_ctx_init_rbuf(ctx);
-}
-
-
-nxt_int_t
-nxt_go_ctx_flush(nxt_go_run_ctx_t *ctx, int last)
-{
-    int       i;
-    nxt_int_t rc;
-
-    if (last != 0) {
-        ctx->wport_msg.last = 1;
-    }
-
-    nxt_go_debug("flush buffers (%d)", last);
-
-    for (i = 0; i < ctx->nwbuf; i++) {
-        nxt_port_mmap_msg_t *m = ctx->wmmap_msg + i;
-
-        nxt_go_debug("  mmap_msg[%d]={%d, %d, %d}", i,
-                     m->mmap_id, m->chunk_id, m->size);
-    }
-
-    rc = nxt_go_port_send(ctx->msg.port_msg->pid, ctx->msg.port_msg->reply_port,
-                          &ctx->wport_msg, sizeof(nxt_port_msg_t) +
-                          ctx->nwbuf * sizeof(nxt_port_mmap_msg_t), NULL, 0);
-
-    nxt_go_debug("  port send res = %d", rc);
-
-    ctx->nwbuf = 0;
-
-    memset(&ctx->wbuf, 0, sizeof(ctx->wbuf));
-
-    return rc;
-}
-
-
-nxt_buf_t *
-nxt_go_port_mmap_get_buf(nxt_go_run_ctx_t *ctx, size_t size)
-{
-    size_t                  nchunks;
-    nxt_buf_t               *buf;
-    nxt_chunk_id_t          c;
-    nxt_go_port_mmap_t      *port_mmap;
-    nxt_port_mmap_msg_t     *mmap_msg;
-    nxt_port_mmap_header_t  *hdr;
-
-    c = 0;
-
-    buf = &ctx->wbuf;
-
-    hdr = nxt_go_port_mmap_get(ctx->process, ctx->msg.port_msg->reply_port, &c,
-                               0);
-    if (nxt_slow_path(hdr == NULL)) {
-        nxt_go_warn("failed to get port_mmap");
-
-        return NULL;
-    }
-
-    buf->mem.start = nxt_port_mmap_chunk_start(hdr, c);
-    buf->mem.pos = buf->mem.start;
-    buf->mem.free = buf->mem.start;
-    buf->mem.end = buf->mem.start + PORT_MMAP_CHUNK_SIZE;
-
-    buf->parent = hdr;
-
-    mmap_msg = ctx->wmmap_msg + ctx->nwbuf;
-    mmap_msg->mmap_id = hdr->id;
-    mmap_msg->chunk_id = c;
-    mmap_msg->size = 0;
-
-    nchunks = size / PORT_MMAP_CHUNK_SIZE;
-    if ((size % PORT_MMAP_CHUNK_SIZE) != 0 || nchunks == 0) {
-        nchunks++;
-    }
-
-    c++;
-    nchunks--;
-
-    /* Try to acquire as much chunks as required. */
-    while (nchunks > 0) {
-
-        if (nxt_port_mmap_chk_set_chunk_busy(hdr->free_map, c) == 0) {
-            break;
-        }
-
-        buf->mem.end += PORT_MMAP_CHUNK_SIZE;
-        c++;
-        nchunks--;
-    }
-
-    ctx->nwbuf++;
-
-    return buf;
-}
-
-
-nxt_int_t
-nxt_go_port_mmap_increase_buf(nxt_buf_t *b, size_t size, size_t min_size)
-{
-    size_t                  nchunks, free_size;
-    nxt_chunk_id_t          c, start;
-    nxt_port_mmap_header_t  *hdr;
-
-    free_size = nxt_buf_mem_free_size(&b->mem);
-
-    if (nxt_slow_path(size <= free_size)) {
-        return NXT_OK;
-    }
-
-    hdr = b->parent;
-
-    start = nxt_port_mmap_chunk_id(hdr, b->mem.end);
-
-    size -= free_size;
-
-    nchunks = size / PORT_MMAP_CHUNK_SIZE;
-    if ((size % PORT_MMAP_CHUNK_SIZE) != 0 || nchunks == 0) {
-        nchunks++;
-    }
-
-    c = start;
-
-    /* Try to acquire as much chunks as required. */
-    while (nchunks > 0) {
-
-        if (nxt_port_mmap_chk_set_chunk_busy(hdr->free_map, c) == 0) {
-            break;
-        }
-
-        c++;
-        nchunks--;
-    }
-
-    if (nchunks != 0
-        && min_size > free_size + PORT_MMAP_CHUNK_SIZE * (c - start))
-    {
-        c--;
-        while (c >= start) {
-            nxt_port_mmap_set_chunk_free(hdr->free_map, c);
-            c--;
-        }
-
-        return NXT_ERROR;
-
-    } else {
-        b->mem.end += PORT_MMAP_CHUNK_SIZE * (c - start);
-
-        return NXT_OK;
-    }
-}
-
-
-nxt_int_t
-nxt_go_ctx_write(nxt_go_run_ctx_t *ctx, void *data, size_t len)
-{
-    size_t                  free_size, copy_size;
-    nxt_buf_t               *buf;
-    nxt_port_mmap_msg_t     *mmap_msg;
-
-    buf = &ctx->wbuf;
-
-    while (len > 0) {
-        if (ctx->nwbuf == 0) {
-            buf = nxt_go_port_mmap_get_buf(ctx, len);
-
-            if (nxt_slow_path(buf == NULL)) {
-                return NXT_ERROR;
-            }
-        }
-
-        do {
-            free_size = nxt_buf_mem_free_size(&buf->mem);
-
-            if (free_size > 0) {
-                copy_size = nxt_min(free_size, len);
-
-                buf->mem.free = nxt_cpymem(buf->mem.free, data, copy_size);
-
-                mmap_msg = ctx->wmmap_msg + ctx->nwbuf - 1;
-                mmap_msg->size += copy_size;
-
-                len -= copy_size;
-                data = nxt_pointer_to(data, copy_size);
-
-                if (len == 0) {
-                    return NXT_OK;
-                }
-            }
-
-        } while (nxt_go_port_mmap_increase_buf(buf, len, 1) == NXT_OK);
-
-        if (ctx->nwbuf >= 8) {
-            nxt_go_ctx_flush(ctx, 0);
-        }
-
-        buf = nxt_go_port_mmap_get_buf(ctx, len);
-
-        if (nxt_slow_path(buf == NULL)) {
-            return NXT_ERROR;
-        }
-    }
-
-    return NXT_OK;
-}
-
-
-static nxt_int_t
-nxt_go_ctx_read_size_(nxt_go_run_ctx_t *ctx, size_t *size)
-{
-    nxt_buf_t  *buf;
-    nxt_int_t  rc;
-
-    do {
-        buf = &ctx->rbuf;
-
-        if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) < 1)) {
-            if (nxt_fast_path(nxt_buf_mem_used_size(&buf->mem) == 0)) {
-
-                ctx->nrbuf++;
-                rc = nxt_go_ctx_init_rbuf(ctx);
-                if (nxt_slow_path(rc != NXT_OK)) {
-                    nxt_go_warn("read size: init rbuf failed");
-                    return rc;
-                }
-
-                continue;
-            }
-            nxt_go_warn("read size: used size is not 0");
-            return NXT_ERROR;
-        }
-
-        if (buf->mem.pos[0] >= 128) {
-            if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) < 4)) {
-                nxt_go_warn("read size: used size < 4");
-                return NXT_ERROR;
-            }
-        }
-
-        break;
-    } while (1);
-
-    buf->mem.pos = nxt_app_msg_read_length(buf->mem.pos, size);
-
-    return NXT_OK;
-}
-
-
-nxt_int_t
-nxt_go_ctx_read_size(nxt_go_run_ctx_t *ctx, size_t *size)
-{
-    nxt_int_t  rc;
-
-    rc = nxt_go_ctx_read_size_(ctx, size);
-
-    if (nxt_fast_path(rc == NXT_OK)) {
-        nxt_go_debug("read_size: %d", (int)*size);
-    }
-
-    return rc;
-}
-
-
-nxt_int_t
-nxt_go_ctx_read_str(nxt_go_run_ctx_t *ctx, nxt_str_t *str)
-{
-    size_t     length;
-    nxt_int_t  rc;
-    nxt_buf_t  *buf;
-
-    rc = nxt_go_ctx_read_size_(ctx, &length);
-    if (nxt_slow_path(rc != NXT_OK)) {
-        nxt_go_warn("read str: read size failed");
-        return rc;
-    }
-
-    buf = &ctx->rbuf;
-
-    if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) < (intptr_t) length)) {
-        nxt_go_warn("read str: used size too small %d < %d",
-                    (int) nxt_buf_mem_used_size(&buf->mem), (int) length);
-        return NXT_ERROR;
-    }
-
-    if (length > 0) {
-        str->start = buf->mem.pos;
-        str->length = length - 1;
-
-        buf->mem.pos += length;
-
-        nxt_go_debug("read_str: %d %.*s",
-                     (int) length - 1, (int) length - 1, str->start);
-
-    } else {
-        str->start = NULL;
-        str->length = 0;
-
-        nxt_go_debug("read_str: NULL");
-    }
-
-    return NXT_OK;
-}
-
-
-size_t
-nxt_go_ctx_read_raw(nxt_go_run_ctx_t *ctx, void *dst, size_t size)
-{
-    size_t     res, read_size;
-    nxt_int_t  rc;
-    nxt_buf_t  *buf;
-
-    res = 0;
-
-    while (size > 0) {
-        buf = &ctx->rbuf;
-
-        if (nxt_slow_path(nxt_buf_mem_used_size(&buf->mem) == 0)) {
-            ctx->nrbuf++;
-            rc = nxt_go_ctx_init_rbuf(ctx);
-            if (nxt_slow_path(rc != NXT_OK)) {
-                nxt_go_warn("read raw: init rbuf failed");
-                return res;
-            }
-
-            continue;
-        }
-
-        read_size = nxt_buf_mem_used_size(&buf->mem);
-        read_size = nxt_min(read_size, size);
-
-        dst = nxt_cpymem(dst, buf->mem.pos, read_size);
-
-        size -= read_size;
-        buf->mem.pos += read_size;
-        res += read_size;
-    }
-
-    nxt_go_debug("read_raw: %d", (int) res);
-
-    return res;
-}