/*
* Thread routine to monitor messages.
*/
void *
rc_monitor_msg(
void *vun)
{
sigset_t signal_set;
dev_ent_t *un = (dev_ent_t *)vun;
message_request_t *message;
(void) sigfillset(&signal_set); /* Block all signals */
(void) thr_sigsetmask(SIG_SETMASK, &signal_set, (sigset_t *)NULL);
(void) sigemptyset(&signal_set);
(void) sigaddset(&signal_set, SIGEMT); /* Allow SIGEMT */
(void) thr_sigsetmask(SIG_UNBLOCK, &signal_set, NULL);
message = (message_request_t *)SHM_REF_ADDR(un->dt.sc.message);
Trace(TR_PROC, "Monitor messages thread started");
/* Main loop */
mutex_lock(&message->mutex);
for (;;) {
while (message->mtype == MESS_MT_VOID) {
(void) cond_wait(&message->cond_r, &message->mutex);
}
process_client_message(un, message);
message->mtype = MESS_MT_VOID;
message->message.exit_id.pid = 0;
/* wake up anyone waiting */
(void) cond_signal(&message->cond_i);
}
/* LINTED Function has no return statement */
}
wxInt32 CViewMessages::FormatMessage(wxInt32 item, wxString& strBuffer) const {
MESSAGE* message = wxGetApp().GetDocument()->message(item);
if (message) {
strBuffer = process_client_message(message->body.c_str());
}
return 0;
}
int get_stuff_from_client()
{
int client_len, i, j, activity;
struct sockaddr_in client_address;
struct timeval tv;
char result[MESSAGE_LENGTH], message[MESSAGE_LENGTH];
strcpy(result, "not done");
while(strcmp(result, "done") != 0)
{
tv.tv_usec = 50000;
tv.tv_sec = 0;
readers = master;
if(select(maxfd+1, &readers, NULL, NULL, &tv) < 0)
{
perror("select failed: ");
}
//printf("well I'm here\n");
activity = 0;
if(FD_ISSET(server_socket, &readers))
{
// printf("and I'm trying\n");
activity = 1;
client_len = sizeof(client_address);
fdlist[num_clients] = accept(server_socket, (struct sockaddr *)&client_address, (socklen_t *)&client_len);
FD_SET(fdlist[num_clients], &master);
if(fdlist[num_clients] > maxfd) maxfd = fdlist[num_clients];
send_visible_world(fdlist[num_clients]);
createPlayer(num_clients,50,70,50,0);
num_clients++;
}
// printf("oh I left\n");
for(i = 1; i < num_clients; i++)
{
if(FD_ISSET(fdlist[i], &readers))
{
activity = 1;
if((client_len = get_all(fdlist[i], message, MESSAGE_LENGTH)) <= 0)
{
if(client_len < 0) perror("failure during read: ");
else
{
FD_CLR(fdlist[i], &master);
close(fdlist[i]);
fdlist[i] = fdlist[num_clients-1];
hidePlayer(num_clients);
num_clients--;
maxfd = 0;
for(j = 0; j < num_clients; j++)
{
if(fdlist[j] > maxfd) maxfd = fdlist[j];
}
}
}
else
{
process_client_message(message);
}
}
}
if(activity == 0)
{
strcpy(result, "done");
}
}
return 0;
}
int32_t parse_mile_message(struct mile_packet *packet, void **bl_reader,
int16_t exceed_cpu_used, MEM_POOL_PTR session_mem) {
int32_t result_code = MILE_RETURN_SUCCESS;
//读buffer和写buffer
struct data_buffer* rbuf = packet->rbuf;
struct data_buffer* sbuf = packet->sbuf;
//读取消息头
struct mile_message_header msg_head;
//当前时间与超时时间
uint64_t now_time;
uint64_t deadline_time;
if (rbuf == NULL) {
log_error("严重错误, 读buffer为空!");
return ERROR_PACKET_FORMAT;
}
msg_head.version_major = read_int8(rbuf);
msg_head.version_minor = read_int8(rbuf);
msg_head.message_type = read_int16(rbuf);
msg_head.message_id = read_int32(rbuf);
packet->timeout = read_int32(rbuf);
log_debug(
"数据包包头信息 -- 主版本号: %d, 小版本号: %d, 消息类型: 0x%x, 消息id: %d, 超时: %d", msg_head.version_major, msg_head.version_minor, msg_head.message_type, msg_head.message_id, packet->timeout);
now_time = get_time_msec();
if (packet->timeout != 0
&& now_time - packet->launch_time / 1000 > packet->timeout) {
log_warn(
"执行sql超时, 收到sql命令时的时间 %llu, 当前时间 %llu, 超时时间 %u", packet->launch_time / 1000, now_time, packet->timeout);
return ERROR_TIMEOUT;
} else {
deadline_time = now_time + packet->timeout;
}
uint16_t msg_head_type = (msg_head.message_type & 0xFF00);
if (msg_head_type == MT_VG_MD) {
result_code = process_mergeserver_message(&msg_head, rbuf, sbuf,
exceed_cpu_used, deadline_time);
} else if (msg_head_type == MT_VG_SC) {
result_code = StorageEngine::storage->Command(&msg_head, rbuf, sbuf);
if (MILE_RETURN_SUCCESS != result_code)
gen_docserver_client_error_packet(result_code, &msg_head, sbuf);
} else if (msg_head_type == MT_VG_CD) {
result_code = process_client_message(&msg_head, rbuf, sbuf);
} else if (msg_head_type == MT_VG_SM) {
result_code = process_master_message(&msg_head, rbuf, sbuf, bl_reader,
session_mem);
} else if (msg_head_type == MT_VG_TEST_REQ) {
result_code = process_test_message(&msg_head, rbuf, sbuf);
} else {
result_code = -1;
}
if (result_code != MILE_RETURN_SUCCESS) {
log_error(
"执行过程中出错, 错误码 %d, 错误原因 %s", result_code, error_msg(result_code));
}
return result_code;
}
