bool
cib_native_dispatch(cib_t * cib)
{
gboolean stay_connected = TRUE;
cib_native_opaque_t *native;
if (cib == NULL) {
crm_err("No CIB!");
return FALSE;
}
crm_trace("dispatching %p", cib);
native = cib->variant_opaque;
while (crm_ipc_ready(native->ipc)) {
if (crm_ipc_read(native->ipc) > 0) {
const char *msg = crm_ipc_buffer(native->ipc);
cib_native_dispatch_internal(msg, strlen(msg), cib);
}
if (crm_ipc_connected(native->ipc) == FALSE) {
crm_err("Connection closed");
stay_connected = FALSE;
}
}
return stay_connected;
}
static gboolean
mainloop_gio_callback(GIOChannel *gio, GIOCondition condition, gpointer data)
{
gboolean keep = TRUE;
mainloop_io_t *client = data;
crm_trace("Condition: %d %d", condition, G_IO_IN);
if(condition & G_IO_IN) {
if(client->ipc) {
long rc = 0;
int max = 10;
do {
rc = crm_ipc_read(client->ipc);
crm_trace("New message from %s[%p] = %d", client->name, client, rc);
if(rc <= 0) {
crm_trace("Message acquisition failed: %s (%ld)", pcmk_strerror(rc), rc);
} else if(client->dispatch_fn_ipc) {
const char *buffer = crm_ipc_buffer(client->ipc);
if(client->dispatch_fn_ipc(buffer, rc, client->userdata) < 0) {
crm_trace("Connection to %s no longer required", client->name);
keep = FALSE;
}
}
} while(keep && rc > 0 && --max > 0);
} else {
crm_trace("New message from %s[%p]", client->name, client);
if(client->dispatch_fn_io) {
if(client->dispatch_fn_io(client->userdata) < 0) {
crm_trace("Connection to %s no longer required", client->name);
keep = FALSE;
}
}
}
}
if(client->ipc && crm_ipc_connected(client->ipc) == FALSE) {
crm_err("Connection to %s[%p] closed", client->name, client);
keep = FALSE;
} else if(condition & G_IO_HUP) {
crm_trace("Recieved G_IO_HUP for %s [%p] connection", client->name, client);
keep = FALSE;
} else if(condition & G_IO_NVAL) {
crm_warn("Recieved G_IO_NVAL for %s [%p] connection", client->name, client);
keep = FALSE;
} else if(condition & G_IO_ERR) {
crm_err("Recieved G_IO_ERR for %s [%p] connection", client->name, client);
keep = FALSE;
}
return keep;
}
static gboolean
mainloop_gio_callback(GIOChannel * gio, GIOCondition condition, gpointer data)
{
gboolean keep = TRUE;
mainloop_io_t *client = data;
CRM_ASSERT(client->fd == g_io_channel_unix_get_fd(gio));
if (condition & G_IO_IN) {
if (client->ipc) {
long rc = 0;
int max = 10;
do {
rc = crm_ipc_read(client->ipc);
if (rc <= 0) {
crm_trace("Message acquisition from %s[%p] failed: %s (%ld)",
client->name, client, pcmk_strerror(rc), rc);
} else if (client->dispatch_fn_ipc) {
const char *buffer = crm_ipc_buffer(client->ipc);
crm_trace("New message from %s[%p] = %d", client->name, client, rc, condition);
if (client->dispatch_fn_ipc(buffer, rc, client->userdata) < 0) {
crm_trace("Connection to %s no longer required", client->name);
keep = FALSE;
}
}
} while (keep && rc > 0 && --max > 0);
} else {
crm_trace("New message from %s[%p] %u", client->name, client, condition);
if (client->dispatch_fn_io) {
if (client->dispatch_fn_io(client->userdata) < 0) {
crm_trace("Connection to %s no longer required", client->name);
keep = FALSE;
}
}
}
}
if (client->ipc && crm_ipc_connected(client->ipc) == FALSE) {
crm_err("Connection to %s[%p] closed (I/O condition=%d)", client->name, client, condition);
keep = FALSE;
} else if (condition & (G_IO_HUP | G_IO_NVAL | G_IO_ERR)) {
crm_trace("The connection %s[%p] has been closed (I/O condition=%d)",
client->name, client, condition);
keep = FALSE;
} else if ((condition & G_IO_IN) == 0) {
/*
#define GLIB_SYSDEF_POLLIN =1
#define GLIB_SYSDEF_POLLPRI =2
#define GLIB_SYSDEF_POLLOUT =4
#define GLIB_SYSDEF_POLLERR =8
#define GLIB_SYSDEF_POLLHUP =16
#define GLIB_SYSDEF_POLLNVAL =32
typedef enum
{
G_IO_IN GLIB_SYSDEF_POLLIN,
G_IO_OUT GLIB_SYSDEF_POLLOUT,
G_IO_PRI GLIB_SYSDEF_POLLPRI,
G_IO_ERR GLIB_SYSDEF_POLLERR,
G_IO_HUP GLIB_SYSDEF_POLLHUP,
G_IO_NVAL GLIB_SYSDEF_POLLNVAL
} GIOCondition;
A bitwise combination representing a condition to watch for on an event source.
G_IO_IN There is data to read.
G_IO_OUT Data can be written (without blocking).
G_IO_PRI There is urgent data to read.
G_IO_ERR Error condition.
G_IO_HUP Hung up (the connection has been broken, usually for pipes and sockets).
G_IO_NVAL Invalid request. The file descriptor is not open.
*/
crm_err("Strange condition: %d", condition);
}
/* keep == FALSE results in mainloop_gio_destroy() being called
* just before the source is removed from mainloop
*/
return keep;
}