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libpsyc/test/testRender.c

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#include <stdlib.h>
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#include <unistd.h>
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#include "../include/psyc/lib.h"
#include "../include/psyc/render.h"
#define myUNI "psyc://10.100.1000/~ludwig"
/* example renderer generating a presence packet */
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int writePresence(const char *avail, int availlen, const char *desc, int desclen)
{
PSYC_Modifier routing[] = {
PSYC_newModifier2(C_GLYPH_OPERATOR_SET, PSYC_C2ARG("_source"), PSYC_C2ARG(myUNI),
PSYC_MODIFIER_ROUTING),
PSYC_newModifier2(C_GLYPH_OPERATOR_SET, PSYC_C2ARG("_context"), PSYC_C2ARG(myUNI),
PSYC_MODIFIER_ROUTING),
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};
PSYC_Modifier entity[] = {
// presence is to be assigned permanently in distributed state
PSYC_newModifier2(C_GLYPH_OPERATOR_ASSIGN, PSYC_C2ARG("_degree_availability"),
avail, availlen, PSYC_PACKET_CHECK_LENGTH),
PSYC_newModifier2(C_GLYPH_OPERATOR_ASSIGN, PSYC_C2ARG("_description_presence"),
desc, desclen, PSYC_PACKET_CHECK_LENGTH),
};
PSYC_Packet packet = PSYC_newPacket2(routing, PSYC_NUM_ELEM(routing),
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entity, PSYC_NUM_ELEM(entity),
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PSYC_C2ARG("_notice_presence"),
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NULL, 0,
//PSYC_C2ARG("foobar"),
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PSYC_PACKET_CHECK_LENGTH);
char buffer[512];
PSYC_render(&packet, buffer, sizeof(buffer));
write(0, buffer, packet.length);
/*
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PSYC_RenderState *pb; // a chunk of mem will host both struct and buf1
// char *t;
// unsigned int l;
unless (availlen) availlen = strlen(avail);
unless (desclen) desclen = strlen(desc);
if (!(pb = malloc(512))) {
P0(("Out of memory\n"))
return -1;
}
// if (PSYC_initBuffer(pb, WHATEVER)) die("PSYC_initBuffer hates me");
(void) PSYC_renderModifier(pb, "_context", 0,
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myUNI, sizeof(myUNI), PSYC_RENDER_ROUTING, 0);
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// the first call to PSYC_renderHeader() without PSYC_RENDER_ROUTING adds the
// extra newline to the buffer. later vars with PSYC_RENDER_ROUTING cause an error.
(void) PSYC_renderModifier(pb, "_degree_availability", 0, avail, availlen, 0, C_GLYPH_OPERATOR_ASSIGN);
(void) PSYC_renderModifier(pb, "_description_presence", 0, desc, desclen, 0, C_GLYPH_OPERATOR_ASSIGN);
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// presence is to be assigned permanently in distributed state
(void) PSYC_renderBody(pb, "_notice_presence", 0,
NULL, 0); // no data in packet
// (void) PSYC_doneRender(pb, &t, &l);
// write(stdout, t, l);
free(pb);
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*/
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return 0;
}
int main() {
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return writePresence(PSYC_C2ARG("_here"), PSYC_C2ARG("I'm omnipresent right now"));
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}