#include #include "../include/psyc/lib.h" #include "../include/psyc/render.h" #define myUNI "psyc://10.100.1000/~ludwig" /* example renderer generating a presence packet */ int writePresence(const char *avail, int availlen, const char *desc, int desclen) { 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_renderVar(pb, "_context", 0, myUNI, sizeof(myUNI), PSYC_RENDER_ROUTING, 0); // 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_renderVar(pb, "_degree_availability", 0, avail, availlen, 0, C_GLYPH_OPERATOR_ASSIGN); (void) PSYC_renderVar(pb, "_description_presence", 0, desc, desclen, 0, C_GLYPH_OPERATOR_ASSIGN); // 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); return 0; } int main() { return writePresence("_here", 0, "I'm omnipresent right now", 0); }