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Diffstat (limited to 'indra/llmessage/llareslistener.cpp')
-rw-r--r-- | indra/llmessage/llareslistener.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/indra/llmessage/llareslistener.cpp b/indra/llmessage/llareslistener.cpp new file mode 100644 index 0000000000..a8beb8cbde --- /dev/null +++ b/indra/llmessage/llareslistener.cpp @@ -0,0 +1,75 @@ +/** + * @file llareslistener.cpp + * @author Nat Goodspeed + * @date 2009-03-18 + * @brief Implementation for llareslistener. + * + * $LicenseInfo:firstyear=2009&license=viewergpl$ + * Copyright (c) 2009, Linden Research, Inc. + * $/LicenseInfo$ + */ + +// Precompiled header +#include "linden_common.h" +// associated header +#include "llareslistener.h" +// STL headers +// std headers +// external library headers +// other Linden headers +#include "llares.h" +#include "llerror.h" +#include "llevents.h" +#include "llsdutil.h" + +LLAresListener::LLAresListener(const std::string& pumpname, LLAres* llares): + LLDispatchListener(pumpname, "op"), + mAres(llares) +{ + // add() every method we want to be able to invoke via this event API. + // Optional third parameter validates expected LLSD request structure. + add("rewriteURI", &LLAresListener::rewriteURI, + LLSD().insert("uri", LLSD()).insert("reply", LLSD())); +} + +/// This UriRewriteResponder subclass packages returned URIs as an LLSD +/// array to send back to the requester. +class UriRewriteResponder: public LLAres::UriRewriteResponder +{ +public: + /** + * Specify the request, containing the event pump name on which to send + * the reply. + */ + UriRewriteResponder(const LLSD& request): + mReqID(request), + mPumpName(request["reply"]) + {} + + /// Called by base class with results. This is called in both the + /// success and error cases. On error, the calling logic passes the + /// original URI. + virtual void rewriteResult(const std::vector<std::string>& uris) + { + LLSD result; + for (std::vector<std::string>::const_iterator ui(uris.begin()), uend(uris.end()); + ui != uend; ++ui) + { + result.append(*ui); + } + // This call knows enough to avoid trying to insert a map key into an + // LLSD array. It's there so that if, for any reason, we ever decide + // to change the response from array to map, it will Just Start Working. + mReqID.stamp(result); + LLEventPumps::instance().obtain(mPumpName).post(result); + } + +private: + LLReqID mReqID; + const std::string mPumpName; +}; + +void LLAresListener::rewriteURI(const LLSD& data) +{ + mAres->rewriteURI(data["uri"], new UriRewriteResponder(data)); +} |