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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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65 lines
1.6 KiB
65 lines
1.6 KiB
8 years ago
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/* Encode a message using oneof fields */
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#include <stdio.h>
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#include <stdlib.h>
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#include <pb_encode.h>
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#include "oneof.pb.h"
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#include "test_helpers.h"
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int main(int argc, char **argv)
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{
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uint8_t buffer[OneOfMessage_size];
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OneOfMessage msg = OneOfMessage_init_zero;
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pb_ostream_t stream;
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int option;
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if (argc != 2)
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{
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fprintf(stderr, "Usage: encode_oneof [number]\n");
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return 1;
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}
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option = atoi(argv[1]);
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/* Prefix and suffix are used to test that the union does not disturb
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* other fields in the same message. */
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msg.prefix = 123;
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/* We encode one of the 'values' fields based on command line argument */
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if (option == 1)
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{
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msg.which_values = OneOfMessage_first_tag;
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msg.values.first = 999;
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}
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else if (option == 2)
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{
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msg.which_values = OneOfMessage_second_tag;
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strcpy(msg.values.second, "abcd");
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}
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else if (option == 3)
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{
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msg.which_values = OneOfMessage_third_tag;
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msg.values.third.array_count = 5;
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msg.values.third.array[0] = 1;
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msg.values.third.array[1] = 2;
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msg.values.third.array[2] = 3;
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msg.values.third.array[3] = 4;
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msg.values.third.array[4] = 5;
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}
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msg.suffix = 321;
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stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
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if (pb_encode(&stream, OneOfMessage_fields, &msg))
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{
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SET_BINARY_MODE(stdout);
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fwrite(buffer, 1, stream.bytes_written, stdout);
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return 0;
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}
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else
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{
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fprintf(stderr, "Encoding failed: %s\n", PB_GET_ERROR(&stream));
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return 1;
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}
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}
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