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output/httpd: throw C++ exception on init error

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This commit is contained in:
Max Kellermann 2016-10-28 21:27:29 +02:00
parent c4acccac14
commit d52c7e7a1b
2 changed files with 41 additions and 78 deletions
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21
src/output/plugins/httpd/HttpdInternal.hxx
View File

@ -150,9 +150,13 @@ private:
unsigned clients_max;
public:
HttpdOutput(EventLoop &_loop);
HttpdOutput(EventLoop &_loop, const ConfigBlock &block);
~HttpdOutput();
operator AudioOutput *() {
return &base;
}
#if CLANG_OR_GCC_VERSION(4,7)
constexpr
#endif
@ -162,21 +166,6 @@ public:
using DeferredMonitor::GetEventLoop;
bool Init(const ConfigBlock &block, Error &error);
bool Configure(const ConfigBlock &block, Error &error);
AudioOutput *InitAndConfigure(const ConfigBlock &block,
Error &error) {
if (!Init(block, error))
return nullptr;
if (!Configure(block, error))
return nullptr;
return &base;
}
void Bind();
void Unbind();

98
src/output/plugins/httpd/HttpdOutputPlugin.cxx
View File

@ -32,6 +32,7 @@
#include "system/fd_util.h"
#include "IOThread.hxx"
#include "event/Call.hxx"
#include "util/RuntimeError.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include "util/DeleteDisposer.hxx"
@ -50,12 +51,43 @@
const Domain httpd_output_domain("httpd_output");
inline
HttpdOutput::HttpdOutput(EventLoop &_loop)
HttpdOutput::HttpdOutput(EventLoop &_loop, const ConfigBlock &block)
:ServerSocket(_loop), DeferredMonitor(_loop),
base(httpd_output_plugin),
base(httpd_output_plugin, block),
encoder(nullptr), unflushed_input(0),
metadata(nullptr)
{
/* read configuration */
name = block.GetBlockValue("name", "Set name in config");
genre = block.GetBlockValue("genre", "Set genre in config");
website = block.GetBlockValue("website", "Set website in config");
unsigned port = block.GetBlockValue("port", 8000u);
const char *encoder_name =
block.GetBlockValue("encoder", "vorbis");
const auto encoder_plugin = encoder_plugin_get(encoder_name);
if (encoder_plugin == nullptr)
throw FormatRuntimeError("No such encoder: %s", encoder_name);
clients_max = block.GetBlockValue("max_clients", 0u);
/* set up bind_to_address */
const char *bind_to_address = block.GetBlockValue("bind_to_address");
if (bind_to_address != nullptr && strcmp(bind_to_address, "any") != 0)
AddHost(bind_to_address, port);
else
AddPort(port);
/* initialize encoder */
prepared_encoder = encoder_init(*encoder_plugin, block);
/* determine content type */
content_type = prepared_encoder->GetMimeType();
if (content_type == nullptr)
content_type = "application/octet-stream";
}
HttpdOutput::~HttpdOutput()
@ -86,68 +118,10 @@ HttpdOutput::Unbind()
});
}
inline bool
HttpdOutput::Configure(const ConfigBlock &block, Error &error)
{
/* read configuration */
name = block.GetBlockValue("name", "Set name in config");
genre = block.GetBlockValue("genre", "Set genre in config");
website = block.GetBlockValue("website", "Set website in config");
unsigned port = block.GetBlockValue("port", 8000u);
const char *encoder_name =
block.GetBlockValue("encoder", "vorbis");
const auto encoder_plugin = encoder_plugin_get(encoder_name);
if (encoder_plugin == nullptr) {
error.Format(httpd_output_domain,
"No such encoder: %s", encoder_name);
return false;
}
clients_max = block.GetBlockValue("max_clients", 0u);
/* set up bind_to_address */
const char *bind_to_address = block.GetBlockValue("bind_to_address");
if (bind_to_address != nullptr && strcmp(bind_to_address, "any") != 0)
AddHost(bind_to_address, port);
else
AddPort(port);
/* initialize encoder */
prepared_encoder = encoder_init(*encoder_plugin, block);
/* determine content type */
content_type = prepared_encoder->GetMimeType();
if (content_type == nullptr)
content_type = "application/octet-stream";
return true;
}
inline bool
HttpdOutput::Init(const ConfigBlock &block, Error &error)
{
return base.Configure(block, error);
}
static AudioOutput *
httpd_output_init(const ConfigBlock &block, Error &error)
httpd_output_init(const ConfigBlock &block, Error &)
{
HttpdOutput *httpd = new HttpdOutput(io_thread_get());
try {
AudioOutput *result = httpd->InitAndConfigure(block, error);
if (result == nullptr)
delete httpd;
return result;
} catch (const std::runtime_error &e) {
delete httpd;
throw;
}
return *new HttpdOutput(io_thread_get(), block);
}
static void