mirror of https://github.com/yandex/odyssey.git
52 lines
982 B
C
52 lines
982 B
C
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/*
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* soprano.
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*
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* Protocol-level PostgreSQL client library.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <assert.h>
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#include <so_macro.h>
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#include <so_stream.h>
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#include <so_header.h>
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#include <so_beread.h>
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int so_beread_startup(sobestartup_t *su, uint8_t *data, uint32_t size)
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{
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uint32_t pos_size = size;
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uint8_t *pos = data;
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int rc;
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uint32_t len;
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rc = so_stream_read32(&len, &pos, &pos_size);
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if (so_unlikely(rc == -1))
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return -1;
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uint32_t version;
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rc = so_stream_read32(&version, &pos, &pos_size);
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if (so_unlikely(rc == -1))
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return -1;
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switch (version) {
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/* StartupMessage */
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case 196608:
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su->is_cancel = 0;
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break;
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/* CancelRequest */
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case 80877102: {
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su->is_cancel = 1;
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rc = so_stream_read32(&su->key_pid, &pos, &pos_size);
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if (so_unlikely(rc == -1))
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rc = so_stream_read32(&su->key, &pos, &pos_size);
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if (so_unlikely(rc == -1))
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return -1;
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break;
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}
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default:
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return -1;
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}
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return 0;
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}
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