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Change sink.write() to return boolean

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yhirose 2021-04-19 17:21:17 -04:00 committed by yhirose
parent 21c529229c
commit 73e0729f63
2 changed files with 34 additions and 29 deletions
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54
httplib.h
View file

@ -308,7 +308,7 @@ public:
DataSink(DataSink &&) = delete;
DataSink &operator=(DataSink &&) = delete;
std::function<void(const char *data, size_t data_len)> write;
std::function<bool(const char *data, size_t data_len)> write;
std::function<void()> done;
std::function<bool()> is_writable;
std::ostream os;
@ -2261,8 +2261,7 @@ inline socket_t create_client_socket(
{
timeval tv;
tv.tv_sec = static_cast<long>(write_timeout_sec);
tv.tv_usec =
static_cast<decltype(tv.tv_usec)>(write_timeout_usec);
tv.tv_usec = static_cast<decltype(tv.tv_usec)>(write_timeout_usec);
setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(tv));
}
@ -3022,7 +3021,7 @@ inline bool write_content(Stream &strm, const ContentProvider &content_provider,
auto ok = true;
DataSink data_sink;
data_sink.write = [&](const char *d, size_t l) {
data_sink.write = [&](const char *d, size_t l) -> bool {
if (ok) {
if (write_data(strm, d, l)) {
offset += l;
@ -3030,6 +3029,7 @@ inline bool write_content(Stream &strm, const ContentProvider &content_provider,
ok = false;
}
}
return ok;
};
data_sink.is_writable = [&](void) { return ok && strm.is_writable(); };
@ -3068,11 +3068,12 @@ write_content_without_length(Stream &strm,
auto ok = true;
DataSink data_sink;
data_sink.write = [&](const char *d, size_t l) {
data_sink.write = [&](const char *d, size_t l) -> bool {
if (ok) {
offset += l;
if (!write_data(strm, d, l)) { ok = false; }
}
return ok;
};
data_sink.done = [&](void) { data_available = false; };
@ -3095,30 +3096,30 @@ write_content_chunked(Stream &strm, const ContentProvider &content_provider,
auto ok = true;
DataSink data_sink;
data_sink.write = [&](const char *d, size_t l) {
if (!ok) { return; }
data_sink.write = [&](const char *d, size_t l) -> bool {
if (ok) {
data_available = l > 0;
offset += l;
data_available = l > 0;
offset += l;
std::string payload;
if (!compressor.compress(d, l, false,
[&](const char *data, size_t data_len) {
payload.append(data, data_len);
return true;
})) {
ok = false;
return;
}
if (!payload.empty()) {
// Emit chunked response header and footer for each chunk
auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n";
if (!write_data(strm, chunk.data(), chunk.size())) {
std::string payload;
if (compressor.compress(d, l, false,
[&](const char *data, size_t data_len) {
payload.append(data, data_len);
return true;
})) {
if (!payload.empty()) {
// Emit chunked response header and footer for each chunk
auto chunk =
from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n";
if (!write_data(strm, chunk.data(), chunk.size())) {
ok = false;
}
}
} else {
ok = false;
return;
}
}
return ok;
};
data_sink.done = [&](void) {
@ -5747,7 +5748,7 @@ inline std::unique_ptr<Response> ClientImpl::send_with_content_provider(
size_t offset = 0;
DataSink data_sink;
data_sink.write = [&](const char *data, size_t data_len) {
data_sink.write = [&](const char *data, size_t data_len) -> bool {
if (ok) {
auto last = offset + data_len == content_length;
@ -5763,6 +5764,7 @@ inline std::unique_ptr<Response> ClientImpl::send_with_content_provider(
ok = false;
}
}
return ok;
};
data_sink.is_writable = [&](void) { return ok && true; };

9
test/test.cc
View file

@ -1366,7 +1366,8 @@ protected:
const auto &d = *data;
auto out_len =
std::min(static_cast<size_t>(length), DATA_CHUNK_SIZE);
sink.write(&d[static_cast<size_t>(offset)], out_len);
auto ret = sink.write(&d[static_cast<size_t>(offset)], out_len);
EXPECT_TRUE(ret);
return true;
},
[data] { delete data; });
@ -2521,7 +2522,8 @@ TEST_F(ServerTest, SlowPost) {
auto res = cli_.Post(
"/slowpost", 64 * 1024 * 1024,
[&](size_t /*offset*/, size_t /*length*/, DataSink &sink) {
sink.write(buffer, sizeof(buffer));
auto ret = sink.write(buffer, sizeof(buffer));
EXPECT_TRUE(ret);
return true;
},
"text/plain");
@ -3349,7 +3351,8 @@ TEST(ServerStopTest, StopServerWithChunkedTransmission) {
DataSink &sink) {
char buffer[27];
auto size = static_cast<size_t>(sprintf(buffer, "data:%ld\n\n", offset));
sink.write(buffer, size);
auto ret = sink.write(buffer, size);
EXPECT_TRUE(ret);
std::this_thread::sleep_for(std::chrono::seconds(1));
return true;
});