static int xmpp_send_pipe_cmd(enum xmpp_pipe_cmd_type type, str *from, str *to,
str *body, str *id)
{
struct xmpp_pipe_cmd *cmd;
/* todo: make shm allocation for one big chunk to include all fields */
cmd = (struct xmpp_pipe_cmd *) shm_malloc(sizeof(struct xmpp_pipe_cmd));
memset(cmd, 0, sizeof(struct xmpp_pipe_cmd));
cmd->type = type;
cmd->from = shm_strdup(from);
cmd->to = shm_strdup(to);
cmd->body = shm_strdup(body);
cmd->id = shm_strdup(id);
if(pid == *xmpp_pid) /* if attempting to send from the xmpp extra process */
{
LM_DBG("I am the XMPP extra process\n");
if(backend_mode == XMPP_COMP) {
struct xmpp_private_data priv;
priv.fd = curr_fd;
priv.running = 1;
xmpp_component_net_send(cmd, &priv);
}
else {
xmpp_server_net_send(cmd);
}
}
else
{
if (write(pipe_fds[1], &cmd, sizeof(cmd)) != sizeof(cmd)) {
LM_ERR("failed to write to command pipe: %s\n", strerror(errno));
xmpp_free_pipe_cmd(cmd);
return -1;
}
}
return 0;
}
int xmpp_component_child_process(int data_pipe)
{
int fd, maxfd, rv;
fd_set fdset;
xode_pool pool;
xode_stream stream;
struct xmpp_private_data priv;
struct xmpp_pipe_cmd *cmd;
while (1) {
fd = net_connect(xmpp_host, xmpp_port);
if (fd < 0) {
sleep(3);
continue;
}
curr_fd = fd;
priv.fd = fd;
priv.running = 1;
pool = xode_pool_new();
stream = xode_stream_new(pool, stream_node_callback, &priv);
net_printf(fd,
"<?xml version='1.0'?>"
"<stream:stream xmlns='jabber:component:accept' to='%s' "
"version='1.0' xmlns:stream='http://etherx.jabber.org/streams'>",
xmpp_domain);
while (priv.running) {
FD_ZERO(&fdset);
FD_SET(data_pipe, &fdset);
FD_SET(fd, &fdset);
maxfd = fd > data_pipe ? fd : data_pipe;
rv = select(maxfd + 1, &fdset, NULL, NULL, NULL);
if (rv < 0) {
if (errno == EINTR) {
continue;
}
LM_ERR("select() failed: %s\n", strerror(errno));
} else if (!rv) {
/* timeout */
} else if (FD_ISSET(fd, &fdset)) {
char *buf = net_read_static(fd);
if (!buf)
/* connection closed */
break;
LM_DBG("server read\n[%s]\n", buf);
xode_stream_eat(stream, buf, strlen(buf));
} else if (FD_ISSET(data_pipe, &fdset)) {
if (read(data_pipe, &cmd, sizeof(cmd)) != sizeof(cmd)) {
LM_ERR("failed to read from command pipe: %s\n",
strerror(errno));
} else {
xmpp_component_net_send(cmd, &priv);
}
}
}
xode_pool_free(pool);
close(fd);
}
return 0;
}
