52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "uv_link_t.h"
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static void alloc_cb_override(uv_link_t* link,
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size_t suggested_size,
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uv_buf_t* buf) {
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buf->base = malloc(suggested_size);
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assert(buf->base != NULL);
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buf->len = suggested_size;
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}
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static void read_cb_override(uv_link_t* link,
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ssize_t nread,
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const uv_buf_t* buf) {
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const char* res;
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uv_buf_t tmp;
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if (nread >= 0) {
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if (nread == 9 && strncmp(buf->base, "password\n", 9) == 0)
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res = "welcome";
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else
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res = "go away";
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} else {
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free(buf->base);
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uv_link_propagate_read_cb(link, nread, NULL);
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return;
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}
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free(buf->base);
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uv_link_propagate_alloc_cb(link, strlen(res), &tmp);
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assert(tmp.len >= strlen(res));
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memcpy(tmp.base, res, strlen(res));
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uv_link_propagate_read_cb(link, strlen(res), &tmp);
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}
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uv_link_methods_t middle_methods = {
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.read_start = uv_link_default_read_start,
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.read_stop = uv_link_default_read_stop,
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.close = uv_link_default_close,
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/* Other doesn't matter in this example */
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.alloc_cb_override = alloc_cb_override,
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.read_cb_override = read_cb_override
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};
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