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#include <stdio.h>
#include <uv.h>
uv_loop_t *loop;
uv_fs_t stdin_watcher;
uv_idle_t idler;
char buffer[1024];
void crunch_away(uv_idle_t* handle) {
// Compute extra-terrestrial life
// fold proteins
// computer another digit of PI
// or similar
fprintf(stderr, "Computing PI...\n");
// just to avoid overwhelming your terminal emulator
uv_idle_stop(handle);
}
void on_type(uv_fs_t *req) {
if (stdin_watcher.result > 0) {
buffer[stdin_watcher.result] = '\0';
printf("Typed %s\n", buffer);
uv_buf_t buf = uv_buf_init(buffer, 1024);
uv_fs_read(loop, &stdin_watcher, 0, &buf, 1, -1, on_type);
uv_idle_start(&idler, crunch_away);
}
else if (stdin_watcher.result < 0) {
fprintf(stderr, "error opening file: %s\n", uv_strerror(req->result));
}
}
int main() {
loop = uv_default_loop();
uv_idle_init(loop, &idler);
uv_buf_t buf = uv_buf_init(buffer, 1024);
uv_fs_read(loop, &stdin_watcher, 0, &buf, 1, -1, on_type);
uv_idle_start(&idler, crunch_away);
return uv_run(loop, UV_RUN_DEFAULT);
}
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