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mirror of https://github.com/haiwen/ccnet-server.git synced 2025-05-01 03:53:20 +00:00
ccnet-server/lib/mqclient-proc.c
2016-08-19 13:54:34 +08:00

152 lines
4.2 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
#include <config.h>
#include <stdio.h>
#include "ccnet-client.h"
#include "mqclient-proc.h"
#define SC_MSG "300"
#define SC_UNSUBSCRIBE "301"
enum {
INIT,
REQUEST_SENT,
READY
};
enum {
RECV_MSG_SIG,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static int mq_client_start (CcnetProcessor *processor, int argc, char **argv);
static void handle_response (CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen);
G_DEFINE_TYPE (CcnetMqclientProc, ccnet_mqclient_proc, CCNET_TYPE_PROCESSOR)
static void
ccnet_mqclient_proc_class_init (CcnetMqclientProcClass *klass)
{
CcnetProcessorClass *proc_class = CCNET_PROCESSOR_CLASS (klass);
proc_class->start = mq_client_start;
proc_class->handle_response = handle_response;
proc_class->name = "mqclient-proc";
signals[RECV_MSG_SIG] =
g_signal_new ("recv-msg", CCNET_TYPE_MQCLIENT_PROC ,
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, /* no accumulator */
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, CCNET_TYPE_MESSAGE);
}
static void
ccnet_mqclient_proc_init (CcnetMqclientProc *processor)
{
CCNET_PROCESSOR (processor)->state = INIT;
}
static int
mq_client_start (CcnetProcessor *processor, int argc, char **argv)
{
GString *buf;
int i;
buf = g_string_new ("mq-server");
for (i = 0; i < argc; ++i) {
g_string_append (buf, " ");
g_string_append (buf, argv[i]);
}
ccnet_client_send_request (processor->session, REQUEST_ID (processor->id),
buf->str);
processor->state = REQUEST_SENT;
g_string_free (buf, TRUE);
return 0;
}
static void handle_response (CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
CcnetMqclientProc *proc = (CcnetMqclientProc *) processor;
CcnetMessage *msg;
switch (processor->state) {
case REQUEST_SENT:
if (code[0] != '2') {
g_warning ("receive bad response: %s %s\n", code, code_msg);
ccnet_processor_done (processor, FALSE);
return;
}
processor->state = READY;
break;
case READY:
if (code[0] != '2' && code[0] != '3') {
g_warning ("receive bad response: %s %s\n", code, code_msg);
return;
}
/* message notification. */
if (code[0] == '3' && code[2] == '0') {
msg = ccnet_message_from_string (content, clen);
if (!msg) {
g_warning ("Wrong message format.\n");
ccnet_processor_done (processor, FALSE);
break;
}
if (proc->message_got_cb)
proc->message_got_cb (msg, proc->cb_data);
g_signal_emit (proc, signals[RECV_MSG_SIG], 0, msg);
ccnet_message_free (msg);
}
break;
default:
break;
}
}
void ccnet_mqclient_proc_set_message_got_cb (CcnetMqclientProc *processor,
MessageGotCB callback,
void *cb_data)
{
processor->message_got_cb = callback;
processor->cb_data = cb_data;
}
void ccnet_mqclient_proc_put_message (CcnetMqclientProc *proc,
CcnetMessage *message)
{
CcnetProcessor *processor = (CcnetProcessor *) proc;
GString *msg_buf;
msg_buf = g_string_new (NULL);
ccnet_message_to_string_buf (message, msg_buf);
ccnet_client_send_update (processor->session, UPDATE_ID(processor->id),
SC_MSG, NULL, msg_buf->str, msg_buf->len+1);
g_string_free (msg_buf, TRUE);
}
void ccnet_mqclient_proc_unsubscribe_apps (CcnetMqclientProc *proc)
{
CcnetProcessor *processor = (CcnetProcessor *) proc;
ccnet_client_send_update (processor->session, UPDATE_ID(processor->id),
SC_UNSUBSCRIBE, NULL, NULL, 0);
ccnet_processor_done (processor, TRUE);
}