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Merge pull request #344 from n1tehawk/contrib

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refactor example/c/lib_buffer_unpack.c
This commit is contained in:
Takatoshi Kondo
2015-08-26 16:14:23 +09:00
parent a0b7e7cc27 720c18bcf8
commit 95e0fc5cef
1 changed files with 18 additions and 19 deletions
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37
example/c/lib_buffer_unpack.c
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@@ -41,6 +41,20 @@ size_t receiver_recv(receiver *r, char* buf, size_t try_size) {
return actual_size;
}
size_t receiver_to_unpacker(receiver* r, size_t request_size,
msgpack_unpacker *unpacker)
{
// make sure there's enough room, or expand the unpacker accordingly
if (msgpack_unpacker_buffer_capacity(unpacker) < request_size) {
msgpack_unpacker_reserve_buffer(unpacker, request_size);
assert(msgpack_unpacker_buffer_capacity(unpacker) >= request_size);
}
size_t recv_len = receiver_recv(r, msgpack_unpacker_buffer(unpacker),
request_size);
msgpack_unpacker_buffer_consumed(unpacker, recv_len);
return recv_len;
}
#define EACH_RECV_SIZE 4
void unpack(receiver* r) {
@@ -48,23 +62,14 @@ void unpack(receiver* r) {
msgpack_unpacker* unp = msgpack_unpacker_new(100);
msgpack_unpacked result;
msgpack_unpack_return ret;
char* buf;
size_t recv_len;
int recv_count = 0;
int i = 0;
msgpack_unpacked_init(&result);
if (msgpack_unpacker_buffer_capacity(unp) < EACH_RECV_SIZE) {
bool expanded = msgpack_unpacker_reserve_buffer(unp, 100);
assert(expanded);
}
buf = msgpack_unpacker_buffer(unp);
recv_len = receiver_recv(r, buf, EACH_RECV_SIZE);
msgpack_unpacker_buffer_consumed(unp, recv_len);
while (recv_len > 0) {
while (true) {
recv_len = receiver_to_unpacker(r, EACH_RECV_SIZE, unp);
if (recv_len == 0) break; // (reached end of input)
printf("receive count: %d %zd bytes received.\n", recv_count++, recv_len);
ret = msgpack_unpacker_next(unp, &result);
while (ret == MSGPACK_UNPACK_SUCCESS) {
@@ -85,15 +90,9 @@ void unpack(receiver* r) {
msgpack_unpacked_destroy(&result);
return;
}
if (msgpack_unpacker_buffer_capacity(unp) < EACH_RECV_SIZE) {
bool expanded = msgpack_unpacker_reserve_buffer(unp, 100);
assert(expanded);
}
buf = msgpack_unpacker_buffer(unp);
recv_len = receiver_recv(r, buf, 4);
msgpack_unpacker_buffer_consumed(unp, recv_len);
}
msgpack_unpacked_destroy(&result);
msgpack_unpacker_free(unp);
}
int main(void) {