void list_group(struct servmsg *user)
{
struct group_info *group_tmp;
struct msg buf;
bzero(&buf,sizeof(buf));
buf.type = LIST_GROUP;//消息类型为
strcpy(buf.self_name,"server");
strcpy(buf.dst_name, "client");
group_tmp = head_group->next;
if(group_tmp == NULL) {
strcpy(buf.data,"暂时没有组！");
send_to(buf,user->addr);
}
else{
while(group_tmp != NULL){
bzero(&buf.data,sizeof(buf.data));
strcpy(buf.data,group_tmp->group_name);
send_to(buf,user->addr);
group_tmp = group_tmp->next;
}
}
bzero(&buf,sizeof(buf));
buf.type = OVER;//结束发送
send_to(buf,user->addr);
}
void delete_group(struct servmsg *user)
{
struct group_info *group_tmp,*tmp_before;
struct msg buf;
bzero(&buf,sizeof(buf));
buf.type = GROUP_DELETE;//消息类型为
strcpy(buf.self_name,"server");
strcpy(buf.dst_name, "client");
tmp_before=head_group;
group_tmp = head_group->next;
if(group_tmp == NULL) {
strcpy(buf.data,"暂时没有组！");
send_to(buf,user->addr);
}
else
while(group_tmp != NULL){
if(strcmp(group_tmp->group_name,user->recvmsg.data) == 0){
tmp_before->next = group_tmp->next;
strcpy(buf.data,group_tmp->group_name);
strcat(buf.data,":被删除!");
delete_group_and_users(group_tmp);
send_to(buf,user->addr);
break;
}
tmp_before=group_tmp;
group_tmp = group_tmp->next;
}
bzero(&buf,sizeof(buf));
buf.type = OVER;//结束发送
send_to(buf,user->addr);
}
/*发送在线用户列表至客户端*/
void *send_all_online(struct sockaddr_in addr)
{
int num = -1;
int len = -1;
int i = 0;
struct user_info *tmp;
struct msg buf;
bzero(&buf,sizeof(buf));
buf.type = REFRESH;//消息类型为刷新
tmp = head_user->next;
if(tmp == NULL) {
strcpy(buf.data,"暂时没有其他用户在线！");
send_to(buf,addr);
}
else
while(tmp != NULL){
strcpy(buf.data,tmp->user_name);
send_to(buf,addr);
tmp = tmp->next;
}
bzero(&buf,sizeof(buf));
buf.type = OVER;//结束发送
send_to(buf,addr);
printf("结束发送\n");
}
void *manage_request (void *p){
void *in_msg; /* incoming request */
void *out_msg; /* outgoing response */
size_t size;
int request;
pthread_barrier_wait(((struct manage_request_struct *) p)->bar);
struct conn_node *node = ((struct manage_request_struct *) p)->node;
struct connection *conn = ((struct manage_request_struct *) p)->conn;
if (recv_from(node, &in_msg) != 0){
fprintf(stderr, "Error in receiving data from client\n");
close_conn_server(conn, node);
pthread_exit(NULL);
}
request = ((struct data*)in_msg)->data_type;
if(request == LIST)
printf("\n- New connection - Request LIST \n");
else if(request == GET)
printf("\n- New connection - Request GET \n");
else if(request == PUT)
printf("\n- New connection - Request PUT \n");
size = parse_data_rcvd(in_msg, &out_msg); /* It reads the msg received and creates the msg to be sent back*/
if (send_to(node, out_msg, size) != 0){
fprintf(stderr,"Error in sending data to client\n");
}
free(in_msg);
free(out_msg);
close_conn_server(conn, node);
}
/**
* Send an acknowledge packet to a player
* ACK packets consist of just a 16 bytes header
*
* @param pl the player
*/
void send_acknowledge(struct player *pl)
{
char *data, *ptr;
size_t data_size = 16;
ssize_t err;
data = (void *)calloc(data_size, sizeof(char));
if (data == NULL) {
printf("(EE) send_acknowledge, packet data allocation failed : %s.\n", strerror(errno));
return;
}
ptr = data;
*(uint16_t *)ptr = PKT_TYPE_ACK; ptr+=2;
*(uint16_t *)ptr = 0x0000; ptr+=2;
*(uint32_t *)ptr = pl->private_id; ptr+=4;
*(uint32_t *)ptr = pl->public_id; ptr+=4;
*(uint32_t *)ptr = pl->f1_s_counter; ptr+=4;
err = send_to(pl->in_chan->in_server, data, data_size, 0, (struct sockaddr *)pl->cli_addr, pl->cli_len);
if (err == -1) {
printf("(EE) send_acknowledge, sending data failed : %s.\n", strerror(errno));
}
pl->f1_s_counter++;
free(data);
}
static int rtp_data_bts(struct osmo_fd *fd, unsigned int what)
{
char buf[4096];
struct sockaddr_in addr;
struct mgcp_endpoint *endp;
int rc, proto;
endp = (struct mgcp_endpoint *) fd->data;
rc = receive_from(endp, fd->fd, &addr, buf, sizeof(buf));
if (rc <= 0)
return -1;
proto = fd == &endp->bts_end.rtp ? PROTO_RTP : PROTO_RTCP;
/* We have no idea who called us, maybe it is the BTS. */
/* it was the BTS... */
discover_bts(endp, proto, &addr);
if (memcmp(&endp->bts_end.addr, &addr.sin_addr, sizeof(addr.sin_addr)) != 0) {
LOGP(DMGCP, LOGL_ERROR,
"Data from wrong bts %s on 0x%x\n",
inet_ntoa(addr.sin_addr), ENDPOINT_NUMBER(endp));
return -1;
}
if (endp->bts_end.rtp_port != addr.sin_port &&
endp->bts_end.rtcp_port != addr.sin_port) {
LOGP(DMGCP, LOGL_ERROR,
"Data from wrong bts source port %d on 0x%x\n",
ntohs(addr.sin_port), ENDPOINT_NUMBER(endp));
return -1;
}
/* throw away the dummy message */
if (rc == 1 && buf[0] == DUMMY_LOAD) {
LOGP(DMGCP, LOGL_NOTICE, "Filtered dummy from bts on 0x%x\n",
ENDPOINT_NUMBER(endp));
return 0;
}
/* do this before the loop handling */
endp->bts_end.packets += 1;
endp->bts_end.octets += rc;
forward_data(fd->fd, &endp->taps[MGCP_TAP_BTS_IN], buf, rc);
switch (endp->type) {
case MGCP_RTP_DEFAULT:
return send_to(endp, DEST_NETWORK, proto == PROTO_RTP, &addr,
buf, rc);
case MGCP_RTP_TRANSCODED:
return send_transcoder(&endp->trans_bts, endp->cfg,
proto == PROTO_RTP, buf, rc);
}
LOGP(DMGCP, LOGL_ERROR, "Bad MGCP type %u on endpoint %u\n",
endp->type, ENDPOINT_NUMBER(endp));
return 0;
}
void creature_update(void)
{
CREATURE *crit=0;
CREATURE *crit_next=0;
char buf[MAX_BUFFER];
static int counter=0;
counter++; // tick counter
for(crit = creature_list; crit; crit = crit_next)
{
crit_next = crit->next;
// don't process anything on mobs that are in areas w/no players (idle area)
if(!IsPlayer(crit) && crit->in_room->area->players < 1)
continue;
/* if(counter % 4 == 0 && IsPlayer(crit)
&& flag_isset(crit->flags, CFLAG_ANTIIDLE))
sendcrit(crit,"Anti-Idle");
*/
if (counter % 4 == 0 && IsPlayer(crit) && IsPlaying(crit)) // No-Op! 0
{
buf[0] = '\0';
send_to(crit->socket,buf);
}
}
}
void send_to_all(request request1) {
for (int i = 0; i < MAX_CLIENTS; i++) {
if (clients[i].state != INACTIVE && strcmp(request1.sender, clients[i].name) != 0) {
send_to(i, request1);
}
}
}
void group_chat(struct servmsg *user)
{
struct group_info *group_tmp,*tmp_before;
struct msg buf;
bzero(&buf,sizeof(buf));
buf.type = GROUP_CHAT;//消息类型为
strcpy(buf.self_name,user->recvmsg.self_name);
strcpy(buf.dst_name, user->recvmsg.dst_name);
strcpy(buf.data,user->recvmsg.data);
tmp_before=head_group;
group_tmp = head_group->next;
if(group_tmp == NULL) {
strcpy(buf.data,"暂时没有组！");
send_to(buf,user->addr);
return ;
}
else
while(group_tmp != NULL)
{
if(strcmp(group_tmp->group_name,user->recvmsg.dst_name) == 0)
{
bzero(&buf.data,sizeof(buf.data));
buf.type = GROUP_CHAT;//消息类型为
strcpy(buf.data,user->recvmsg.data);
struct user_info *user_tmp=group_tmp->owner;
while(user_tmp != NULL)
{
send_to(buf,user_tmp->cli_addr);
user_tmp=user_tmp->next;
}
return;
}
tmp_before=group_tmp;
group_tmp = group_tmp->next;
}
bzero(&buf,sizeof(buf));
buf.type = OVER;//结束发送
send_to(buf,user->addr);
}
/*
* This will handle connection for each client
* */
void *connection_handler(void *socket_desc)
{
int sock = *(int*)socket_desc;
int read_size;
char *mess;
message msg;
//Send some messages to the client
mess = "Greetings! I am your connection handler\n";
write(sock , mess , strlen(mess));
mess = "Now type something and i shall repeat what you type \n";
write(sock , mess , strlen(mess));
//Receive a message from client
while( (read_size = recv(sock , &msg , sizeof(msg) , 0)) > 0 )
{
//Send the message back to client
switch(msg.cmd){
case CMD_LOGIN:
login(sock,msg);
bzero(&msg,sizeof(msg));
break;
case CMD_REGISTER:
client_register(sock,msg);
break;
case CMD_SEND_TO:
send_to(msg);
break;
case CMD_LIST_PEOPLE:
who_is_online(sock);
break;
case CMD_EXIT:
client_exit(sock,msg.user_name);
//puts("Client disconnected");
//fflush(stdout);
//free(socket_desc);
break;
}
//write(sock , client_message , strlen(client_message));
}
if(read_size == 0)
{
puts("Client disconnected");
fflush(stdout);
}
else if(read_size == -1)
{
perror("recv failed");
}
//Free the socket pointer
free(socket_desc);
return 0;
}
void write_shape(shape const & s, std::ostream &streamToWriteTo)
{
streamToWriteTo << s.size() << "\n";
for (constShapeIterator shapeIter = s.begin(); shapeIter != s.end(); ++shapeIter)
{
send_to (*shapeIter, streamToWriteTo);
streamToWriteTo << "\n";
}
}
int main(){
cmh mcmh,encrypted_mcmh;
struct string mcert,mpri,en_pri;
struct string signed_data;
fd = getsocket(MY_PORT);
if(fd <0 ){
error();
return -1;
}
getcert_and_key(&mcert,&mpri,&en_pri);
if( cme_cmh_request(&mcmh) || cme_cmh_request(&encrypted_mcmh)){
error();
return-1;
}
printf("cmh = %d encrypted cmh = %d\n",mcmh,encrypted_mcmh);
if( cme_store_cert_key(mcmh,mcert.buf,mcert.len,mpri.buf,mpri.len) ||
cme_store_cert_key(encrypted_mcmh,mcert.buf,mcert.len,en_pri.buf,en_pri.len)){
error();
return -1;
}
string_printf("mcert:",&mcert);
printf("store cert and key\n");
if(generated_signed_data(mcmh,&signed_data)){
error();
return -1;
}
printf("send cert\n");
send_to(mcert.buf,mcert.len);
printf("send data\n");
send_to(signed_data.buf,signed_data.len);
struct string encrypteddata;
encrypteddata.len = 0;
encrypteddata.buf = 0;
encrypteddata.len = 1024;
encrypteddata.buf = (char*)malloc(encrypteddata.len);
if(encrypteddata.buf == NULL){
error();
return;
}
encrypteddata.len = mrecvfrom(fd,encrypteddata.buf,encrypteddata.len,OPP_PORT);
sec_data_parse(&encrypteddata,encrypted_mcmh);
}
static int rtp_data_net(struct osmo_fd *fd, unsigned int what)
{
char buf[4096];
struct sockaddr_in addr;
struct mgcp_endpoint *endp;
int rc, proto;
endp = (struct mgcp_endpoint *) fd->data;
rc = receive_from(endp, fd->fd, &addr, buf, sizeof(buf));
if (rc <= 0)
return -1;
if (memcmp(&addr.sin_addr, &endp->net_end.addr, sizeof(addr.sin_addr)) != 0) {
LOGP(DMGCP, LOGL_ERROR,
"Endpoint 0x%x data from wrong address %s vs. ",
ENDPOINT_NUMBER(endp), inet_ntoa(addr.sin_addr));
LOGPC(DMGCP, LOGL_ERROR,
"%s\n", inet_ntoa(endp->net_end.addr));
return -1;
}
if (endp->net_end.rtp_port != addr.sin_port &&
endp->net_end.rtcp_port != addr.sin_port) {
LOGP(DMGCP, LOGL_ERROR,
"Data from wrong source port %d on 0x%x\n",
ntohs(addr.sin_port), ENDPOINT_NUMBER(endp));
return -1;
}
/* throw away the dummy message */
if (rc == 1 && buf[0] == DUMMY_LOAD) {
LOGP(DMGCP, LOGL_NOTICE, "Filtered dummy from network on 0x%x\n",
ENDPOINT_NUMBER(endp));
return 0;
}
proto = fd == &endp->net_end.rtp ? PROTO_RTP : PROTO_RTCP;
endp->net_end.packets += 1;
endp->net_end.octets += rc;
forward_data(fd->fd, &endp->taps[MGCP_TAP_NET_IN], buf, rc);
switch (endp->type) {
case MGCP_RTP_DEFAULT:
return send_to(endp, DEST_BTS, proto == PROTO_RTP, &addr,
buf, rc);
case MGCP_RTP_TRANSCODED:
return send_transcoder(&endp->trans_net, endp->cfg,
proto == PROTO_RTP, buf, rc);
}
LOGP(DMGCP, LOGL_ERROR, "Bad MGCP type %u on endpoint %u\n",
endp->type, ENDPOINT_NUMBER(endp));
return 0;
}
int main(int argc, char *argv[])
{
int sock;
struct sockaddr_in addr;
int port = get_port(argc, argv);
char server_address_string[16];
char buf[BUF_SIZE];
char repeat = 1;
int id;
set_address(argc, argv, server_address_string, LENGTH_OF(server_address_string));
srand(time(NULL));
id = rand();
sock = socket(AF_INET, SOCK_STREAM, 0);
if(WRONG_SOC(sock)) {
perror("socket");
exit(1);
}
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
/* addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); */
addr.sin_addr.s_addr = inet_addr(server_address_string);
if(connect(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
perror("connect");
exit(2);
}
printf("%s:%d, ID: %d\n", server_address_string, port, id);
send(sock, &id, sizeof(id), EMPTY_FLAGS);
while(repeat) {
printf("-> ");
read_stdin(buf, LENGTH_OF(buf));
if(strlen(buf) == 0) continue;
if(!strncmp(buf, "close", LENGTH_OF(buf))) repeat = 0;
send_to(sock, buf);
// download file if its exists
if(strstr(buf, "download") && receive_int(sock)) {
receive_file(sock);
printf("%s\n", FILE_DOWNLOADED_MSG);
continue;
}
// prints info or error mesages
receive_and_print_msg(sock);
}
close(sock);
return 0;
}
/* parse command */
void lhandler (char *c)
{
char *w;
if (c != NULL)
{
add_history (c);
//printf ("[+] -> readline : %s\n", c);
w = strtok (c, " ");
if (w == NULL)
return;
if (!strcmp ("connect", w))
{
printf ("[+] connect\n");
w = strtok (NULL, " ");
if (w == NULL)
return ;
connect_to (w);
return ;
}
else if (!strcmp ("exit", w))
{
printf ("\n[+] leaving\n");
exit (0);
}
else if (!strcmp ("quit", w))
{
printf ("\n[+] leaving\n");
exit (0);
}
else if (!strcmp ("send", w))
{
w = strtok (NULL, " ");
if (w == NULL)
return ;
send_to (w, strtok (NULL, " "));
return ;
}
else if (!strcmp ("disconnect", w))
{
w = strtok (NULL, " ");
if (w == NULL)
return ;
disconnect_from (w);
return ;
}
}
else
{
printf ("\n[+] leaving\n");
exit (0);
}
}
int CUdpSocket::send_to(const void* buffer, size_t buffer_size, uint32_t to_ip, uint16_t to_port) throw (sys::CSyscallException)
{
struct sockaddr_in to_addr;
to_addr.sin_family = AF_INET;
to_addr.sin_port = htons(to_port);
to_addr.sin_addr.s_addr = to_ip;
memset(to_addr.sin_zero, 0, sizeof(to_addr.sin_zero));
return send_to(buffer, buffer_size, to_addr);
}
void join_group(struct servmsg *user)
{
struct msg mymsg;
mymsg.type = JOIN_GROUP;
strcpy(mymsg.self_name,"server");
strcpy(mymsg.dst_name, user->recvmsg.self_name);
strcpy(mymsg.data, user->recvmsg.data);
struct user_info *new_user;
new_user = (struct user_info *)malloc(sizeof(struct user_info));
strcpy(new_user->user_name,user->recvmsg.self_name);
new_user->id = i++;
new_user->cli_addr = user->addr;
new_user->next = NULL;
// printf("join user name:%s\n",user->recvmsg.self_name);
struct group_info *head=head_group,*tmph;
while( head->next != NULL){
head = head->next;
if(strcmp(head->group_name,user->recvmsg.data) == 0){
struct user_info *gu_head=head->owner;
while( gu_head->next != NULL){
gu_head = gu_head->next;
if(strcmp(gu_head->user_name,user->recvmsg.self_name) == 0){
mymsg.type = ERROR;
strcpy(mymsg.data," : 该用户已登录 group,不能重复登录!\n");
send_to(mymsg,user->addr);
free(new_user);
return ;
}
}
gu_head->next = new_user;
strcat(mymsg.data,": join in this group ok!\n");
send_to(mymsg,user->addr);
return;
}
}
free(new_user);
strcat(mymsg.data,":组不存在!\n");
send_to(mymsg,user->addr);
}
void message_service::send_subscription(const ID& peer_id, const ID& tag_id, const std::string& tag_name, const std::string& type_name)
{
payload_header_packet hdr;
hdr.payload_type = subscribe_packet::payload_id;
outbound_data<serializer::boost_serializer, payload_header_packet> o_hdr(hdr);
subscribe_packet sub(tag_id);//, tag_name, type_name);
outbound_data<serializer::boost_serializer, subscribe_packet> o_sub(sub);
outbound_pair o_combined(o_hdr, o_sub);
send_to(peer_id, o_combined);
}
void message_service::send_publish(const ID& peer_id, const ID& tag_id, const std::string& tag_name, const std::string& type_name)
{
payload_header_packet hdr;
hdr.payload_type = publish_packet::payload_id;
outbound_data<serializer::boost_serializer, payload_header_packet> o_hdr(hdr);
publish_packet pub(tag_id, tag_name, type_name);
outbound_data<serializer::boost_serializer, publish_packet> o_pub(pub);
outbound_pair o_combined(o_hdr, o_pub);
send_to(peer_id, o_combined);
}
ssize_t UDPLayer::write(const void *buf, size_t nbyte) const {
std::list<num_addr_pair_t>::const_iterator gmember_iter;
int rc = 0;
for(gmember_iter = groupmember_list.begin(); gmember_iter != groupmember_list.end(); ++gmember_iter) {
try{
rc = send_to(buf, nbyte, gmember_iter->first, gmember_iter->second);
}
catch(const std::exception& e) {
Logger::log(e.what(), Logger::LOGLEVEL_ERROR);
}
}
return rc;
}
/*Send a GET or POST http request to server with port 80*/
char * http_request(
const char * method,
const char * host,
const char * uri,
const char * http_edition,
struct field * params, int n,
struct field * data, int m,
int echo)
{
/*Construct the GET request url*/
char * post_data = data2url(data,m,MAX_URI_SIZE);
char * tmp_buf = NULL;
char * cmpt_uri = (char *)malloc(MAX_URI_SIZE * sizeof(char));
if (!cmpt_uri) Die("malloc failed!");
char * str = (char *)malloc(BUFFSIZE * sizeof(char));
if (!str) Die("malloc failed!");
int method_type = strcmp(method,"GET") == 0;
if (method_type && m > 0){
bzero(cmpt_uri, MAX_URI_SIZE);
multicat(MULTICAT_EOF,cmpt_uri,uri,"?",post_data,MULTICAT_EOF);
uri = cmpt_uri;
}
/*Create string for send*/
bzero(str, BUFFSIZE);
multicat(MULTICAT_EOF, str, method , " " , uri , " " , http_edition , "\r\n",
"HOST: ", host , "\r\n", MULTICAT_EOF);
/*Construct HTTP request header parameters*/
for (int i = 0; i < n; ++i)
multicat(MULTICAT_EOF, str, params[i].key ,": " ,params[i].val ,"\r\n", MULTICAT_EOF);
strcat(str,"\r\n");
/*Construct the POST request data*/
if (!method_type && n > 0) /*Not GET then POST*/
multicat(MULTICAT_EOF, str,
"Content-Type: application/x-www-form-urlencoded\r\nContent-Length: ",
tmp_buf = int2str(strlen(post_data)),
"\r\n", post_data, "\r\n", MULTICAT_EOF);
free(post_data);
free(cmpt_uri);
free(tmp_buf);
if (echo)
fprintf(stdout,"Sending:\n%s\n", str);
char * response = send_to(host, 80, str);
free(str);
return response;
}
void send_message_to_all(struct servmsg *user,char ch)
{
struct user_info *tmp;
struct msg buf;
bzero(&buf,sizeof(buf));
buf.type = ch;//消息类型为
strcpy(buf.self_name,user->recvmsg.self_name);
strcpy(buf.dst_name, user->recvmsg.dst_name);
// strcpy(buf.data,user->recvmsg.self_name);
strcpy(buf.data,user->recvmsg.data);
tmp=head_user->next;
while(tmp != NULL)
{
send_to(buf,tmp->cli_addr);
tmp=tmp->next;
}
}
void create_group( struct servmsg *user)
{
struct msg mymsg;
bzero(&mymsg,sizeof(struct msg));
struct group_info *new_group;
new_group = (struct group_info *)malloc(sizeof(struct group_info));
strcpy(new_group->group_name,user->recvmsg.data);
new_group->id = i++;
new_group->next = NULL;
struct user_info *owner,*new_user;
new_user = (struct user_info *)malloc(sizeof(struct user_info));
new_user->cli_addr = user->addr; //结构体整体赋值，客户端端口为5倍进程
strcpy(new_user->user_name,user->recvmsg.data);
new_user->id = i++;
new_user->next = NULL;
new_group->owner=new_user;
struct group_info *head=head_group,*htmp;
while( head->next != NULL){
htmp=head;
head=head->next;
if(strcmp(head->group_name,new_group->group_name) == 0)
break ;
head = htmp;
}
if(head->next == NULL)
{
head->next = new_group;
mymsg.type = CREATE_GROUP;
strcpy(mymsg.self_name,"server");
strcpy(mymsg.dst_name, user->recvmsg.self_name);
strcpy(mymsg.data, new_group->group_name);
strcat(mymsg.data,": 服务器创建好组!\n");
}
else
{
mymsg.type = ERROR;
strcpy(mymsg.data,"该用户已存在,不能重复!\n");
}
send_to(mymsg,user->addr);
}
/**
* Send the list of bans to a player
*
* @param s the server
* @param pl the player who asked for the list of bans
*/
static void s_resp_bans(struct player *pl)
{
char *data, *ptr;
int data_size, tmp_size;
struct ban *b;
struct server *s = pl->in_chan->in_server;
size_t iter;
data_size = 24;
data_size += 4; /* number of bans */
ar_each(struct ban *, b, iter, s->bans)
data_size += ban_to_data_size(b);
ar_end_each;
data = (char *)calloc(data_size, sizeof(char));
if (data == NULL) {
logger(LOG_WARN, "s_resp_ban, packet allocation failed : %s.", strerror(errno));
return;
}
ptr = data;
wu16(PKT_TYPE_CTL, &ptr); /* */
wu16(CTL_BANLIST, &ptr); /* */
wu32(pl->private_id, &ptr); /* private ID */
wu32(pl->public_id, &ptr); /* public ID */
wu32(pl->f0_s_counter, &ptr); /* packet counter */
ptr += 4; /* packet version */
ptr += 4; /* checksum */
wu32(s->bans->used_slots, &ptr);/* number of bans */
logger(LOG_INFO, "number of bans : %zu", s->bans->used_slots);
ar_each(struct ban *, b, iter, s->bans)
tmp_size = ban_to_data(b, ptr);
ptr += tmp_size;
ar_end_each;
packet_add_crc_d(data, data_size);
logger(LOG_INFO, "list of bans : sending %i bytes", data_size);
send_to(s, data, data_size, 0, pl);
pl->f0_s_counter++;
free(data);
}
/**
* Send a "player kicked from channel" notification to all players.
*
* @param s the server
* @param kicker the player who kicked
* @param kicked the player kicked from the server
* @param reason the reason the player was kicked
* @param kicked_to the channel the player is moved to
*/
static void s_notify_kick_channel(struct player *kicker, struct player *kicked,
char *reason, struct channel *kicked_from)
{
char *data, *ptr;
struct player *tmp_pl;
int data_size = 68;
struct server *s = kicker->in_chan->in_server;
size_t iter;
data = (char *)calloc(data_size, sizeof(char));
if (data == NULL) {
logger(LOG_WARN, "s_notify_kick_channel, packet allocation failed : %s.", strerror(errno));
return;
}
ptr = data;
wu16(PKT_TYPE_CTL, &ptr); /* */
wu16(CTL_CHKICK_PL, &ptr); /* */
ptr += 4; /* private ID */
ptr += 4; /* public ID */
ptr += 4; /* packet counter */
ptr += 4; /* packet version */
ptr += 4; /* empty checksum */
wu32(kicked->public_id, &ptr); /* ID of player who was kicked */
wu32(kicked_from->id, &ptr); /* channel the player was kicked from */
wu32(kicker->public_id, &ptr); /* ID of the kicker */
wu16(0, &ptr); /* visible notification : kicked */
wstaticstring(reason, 29, &ptr);/* reason message */
/* check we filled all the packet */
assert((ptr - data) == data_size);
ar_each(struct player *, tmp_pl, iter, s->players)
ptr = data + 4;
wu32(tmp_pl->private_id, &ptr);
wu32(tmp_pl->public_id, &ptr);
wu32(tmp_pl->f0_s_counter, &ptr);
packet_add_crc_d(data, data_size);
send_to(s, data, data_size, 0, tmp_pl);
tmp_pl->f0_s_counter++;
ar_end_each;
free(data);
}
/**
* Send a notification to all players that target has been banned.
*
* @param s the server
* @param pl the player who gave the order to ban
* @param target the player who is banned
* @param duration the duration of the ban (0 = unlimited)
* @param reason the reason of the ban
*/
static void s_notify_ban(struct player *pl, struct player *target, uint16_t duration, char *reason)
{
char *data, *ptr;
struct player *tmp_pl;
int data_size = 64;
struct server *s = pl->in_chan->in_server;
size_t iter;
data = (char *)calloc(data_size, sizeof(char));
if (data == NULL) {
logger(LOG_WARN, "s_notify_ban, packet allocation failed : %s.", strerror(errno));
return;
}
ptr = data;
wu16(PKT_TYPE_CTL, &ptr); /* */
wu16(CTL_PLAYERLEFT, &ptr); /* */
ptr += 4; /* private ID */
ptr += 4; /* public ID */
ptr += 4; /* packet counter */
ptr += 4; /* packet version */
ptr += 4; /* empty checksum */
wu32(target->public_id, &ptr); /* ID of player banned */
wu16(2, &ptr); /* kick */
wu32(pl->public_id, &ptr); /* banner ID */
wstaticstring(reason, 29, &ptr);/* reason message */
/* check we filled all the packet */
assert((ptr - data) == data_size);
ar_each(struct player *, tmp_pl, iter, s->players)
ptr = data + 4;
wu32(tmp_pl->private_id, &ptr);
wu32(tmp_pl->public_id, &ptr);
wu32(tmp_pl->f0_s_counter, &ptr);
packet_add_crc_d(data, data_size);
send_to(s, data, data_size, 0, tmp_pl);
tmp_pl->f0_s_counter++;
ar_end_each;
free(data);
}
static int
send_and_wait_for_response (int target, struct Message *m) {
int result;
int wait_index;
if ((wait_index = get_wait_index()) < 0) {
// Error
printf("%d: wait_index error\n", thisid);
return wait_index;
}
m->index = wait_index;
// Send message over network
if ((result = send_to(target, m)) < 0) {
printf("%d: send message error\n", thisid);
return result;
}
// wait for response
printf("%d: waiting on index %d\n", thisid, wait_index);
pthread_cond_wait(&waits[wait_index], &locks[m->page_number]);
return_wait_index(wait_index);
return 0;
}
static int rtp_data_transcoder(struct mgcp_rtp_end *end, struct mgcp_endpoint *_endp,
int dest, struct osmo_fd *fd)
{
char buf[4096];
struct sockaddr_in addr;
struct mgcp_config *cfg;
int rc, proto;
cfg = _endp->cfg;
rc = receive_from(_endp, fd->fd, &addr, buf, sizeof(buf));
if (rc <= 0)
return -1;
proto = fd == &end->rtp ? PROTO_RTP : PROTO_RTCP;
if (memcmp(&addr.sin_addr, &cfg->transcoder_in, sizeof(addr.sin_addr)) != 0) {
LOGP(DMGCP, LOGL_ERROR,
"Data not coming from transcoder dest: %d %s on 0x%x\n",
dest, inet_ntoa(addr.sin_addr), ENDPOINT_NUMBER(_endp));
return -1;
}
if (end->rtp_port != addr.sin_port &&
end->rtcp_port != addr.sin_port) {
LOGP(DMGCP, LOGL_ERROR,
"Data from wrong transcoder dest %d source port %d on 0x%x\n",
dest, ntohs(addr.sin_port), ENDPOINT_NUMBER(_endp));
return -1;
}
/* throw away the dummy message */
if (rc == 1 && buf[0] == DUMMY_LOAD) {
LOGP(DMGCP, LOGL_NOTICE, "Filtered dummy from transcoder dest %d on 0x%x\n",
dest, ENDPOINT_NUMBER(_endp));
return 0;
}
end->packets += 1;
return send_to(_endp, dest, proto == PROTO_RTP, &addr, &buf[0], rc);
}
void myhandle(int signum)
{
struct msg mymsg;
mymsg.type = SERVER_EXIT;
strcpy(mymsg.self_name,"server");
strcpy(mymsg.data," server exit");
struct user_info *tmp=head_user->next;
while(tmp != NULL)
{
printf("user name:%s\n",tmp->user_name);
send_to(mymsg,tmp->cli_addr);
tmp=tmp->next;
}
close(serv_fd);
free_all_user(head_user);
free_all_group(head_group);
free_all_message(H);
printf("\n谢谢使用！再见！\n");
exit(1);
}
int
boss::Socket::send_to(const void *msg, size_t len,
uint16_t port, const char *host_address /*= NULL*/ ,
int flags /* = 0 */ )
{
struct sockaddr toaddr;
struct sockaddr_in *p = (struct sockaddr_in *) &toaddr;
bzero(&toaddr, sizeof(struct sockaddr));
p->sin_family = AF_INET;
if (host_address == NULL) {
p->sin_addr.s_addr = htonl(INADDR_BROADCAST);
}
else {
get_in_addr(host_address, p->sin_addr, "send_to");
}
p->sin_port = htons(port);
return send_to(msg, len, toaddr, sizeof(toaddr), flags);
}
