/**
* @brief read process stderr
* @param c the child to read stderr from
* @returns 0 on success, -1 on error.
*/
int read_stderr(child_node *c) {
buffer bigbuff;
char buff[255];
char *line;
int count, ret;
ret = 0;
memset(&(bigbuff), 0, sizeof(buffer));
while((count=read(c->stderr_fd, buff, 255)) > 0) {
if(append_to_buffer(&(bigbuff), buff, count)) {
ret = -1;
goto exit;
}
while((line = get_line_from_buffer(&(bigbuff)))) {
ret = on_cmd_stderr(c, line);
free(line);
if(ret)
goto exit;
}
}
exit:
if(count<0) {
print( ERROR, "read: %s", strerror(errno));
ret = -1;
}
release_buffer(&(bigbuff));
return ret;
}
/**
* @brief handle a command message
* @param m the received message
* @returns 0 on success, -1 on error.
*/
int on_command(JNIEnv *env, message *m) {
switch(m->data[0]) {
case CMD_STARTED:
return on_cmd_started(m);
case CMD_FAIL:
return on_cmd_fail(m);
case CMD_END:
return on_cmd_end(env, m);
case CMD_DIED:
return on_cmd_died(env, m);
case CMD_STDERR:
return on_cmd_stderr(env, m);
default:
LOGW("%s: unkown command code: %02hhX", __func__, m->data[0]);
return -1;
}
}