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b/src/mediaserver/cdplugins/netfetch.cpp |
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/* Copyright (C) 2017-2018 J.F.Dockes
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "netfetch.h"
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#include "log.h"
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using namespace std;
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#ifndef MAX
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#define MAX(A,B) ((A) < (B) ? (B) : (A))
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#endif
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size_t NetFetch::databufToQ(const void *contents, size_t bcnt)
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{
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LOGDEB1("NetFetch::dataBufToQ. bcnt " << bcnt << endl);
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ABuffer *buf = nullptr;
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// Try to recover an empty buffer from the queue, else allocate one.
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if (outqueue && outqueue->take_recycled(&buf)) {
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if (buf->allocbytes < bcnt) {
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delete buf;
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buf = nullptr;
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}
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}
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if (buf == nullptr) {
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buf = new ABuffer(MAX(4096, bcnt));
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}
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if (buf == nullptr) {
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LOGERR("CurlFetch::dataBufToQ: can't get buffer for " << bcnt <<
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" bytes\n");
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return 0;
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}
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memcpy(buf->buf, contents, bcnt);
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buf->bytes = bcnt;
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buf->curoffs = 0;
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LOGDEB1("NetFetch::calling put on " <<
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(outqueue ? outqueue->getname() : "null") << endl);
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if (!outqueue->put(buf)) {
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LOGDEB1("CurlFetch::dataBufToQ. queue put failed\n");
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delete buf;
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return -1;
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}
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fetch_data_count += bcnt;
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if (fbcb) {
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fbcb(fetch_data_count);
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}
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LOGDEB1("CurlFetch::dataBufToQ. returning " << bcnt << endl);
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return bcnt;
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}
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