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Comparing deliantra/server/socket/init.C (file contents):
Revision 1.17 by root, Thu Dec 14 20:39:54 2006 UTC vs.
Revision 1.30 by root, Fri Dec 22 16:34:00 2006 UTC

… …
29 * 29 *
30 * Mainly deals with initialization and higher level socket 30 * Mainly deals with initialization and higher level socket
31 * maintenance (checking for lost connections and if data has arrived.) 31 * maintenance (checking for lost connections and if data has arrived.)
32 * The reading of data is handled in ericserver.c 32 * The reading of data is handled in ericserver.c
33 */ 33 */
34
35 34
36#include <global.h> 35#include <global.h>
37#include <sproto.h> 36#include <sproto.h>
38#include <sys/types.h> 37#include <sys/types.h>
39#include <sys/time.h> 38#include <sys/time.h>
40#include <sys/socket.h> 39#include <sys/socket.h>
41#include <netinet/in.h> 40#include <netinet/in.h>
41#include <netinet/tcp.h>
42#include <netinet/ip.h>
42#include <netdb.h> 43#include <netdb.h>
43 44
44#ifdef HAVE_UNISTD_H
45# include <unistd.h> 45#include <unistd.h>
46#endif
47
48#ifdef HAVE_ARPA_INET_H
49# include <arpa/inet.h> 46#include <arpa/inet.h>
50#endif
51#include <newserver.h>
52 47
53sockvec client_sockets; 48sockvec clients;
54 49
55/** 50/**
56 * Initializes a connection. Really, it just sets up the data structure, 51 * Initializes a connection. Really, it just sets up the data structure,
57 * socket setup is handled elsewhere. We do send a version to the 52 * socket setup is handled elsewhere. We do send a version to the
58 * client. 53 * client.
59 */ 54 */
60client_socket::client_socket (int fd, const char *peername) 55client::client (int fd, const char *peername)
61: fd (fd), host (strdup (peername)), 56: fd (fd), host (strdup (peername)),
62 socket_ev (this, &client_socket::socket_cb) 57 socket_ev (this, &client::socket_cb),
58 cmd_ev (this, &client::cmd_cb),
59 cc_inv (this), cc_other (this)
63{ 60{
64 { 61 {
65 struct linger linger_opt; 62 struct linger linger_opt;
66 63
67 linger_opt.l_onoff = 0; 64 linger_opt.l_onoff = 0;
68 linger_opt.l_linger = 0; 65 linger_opt.l_linger = 0;
69 66
70 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger))) 67 if (setsockopt (fd, SOL_SOCKET, SO_LINGER, &linger_opt, sizeof (struct linger)))
71 LOG (llevError, "Cannot setsockopt(SO_LINGER): %s\n", strerror (errno)); 68 LOG (llevError, "SO_LINGER: %s\n", strerror (errno));
72 } 69 }
70
71 {
72 int val = IPTOS_LOWDELAY;
73
74 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &val, sizeof (val)))
75 LOG (llevError, "IP_TOS: %s\n", strerror (errno));
76 }
77
78 {
79 int val = 1;
80
81 if (setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val)))
82 LOG (llevError, "TCP_NODELAY: %s\n", strerror (errno));
83 }
84
85#ifdef __linux__
86 {
87 int val;
88
89 // set some very aggressive keepalive parameters
90 val = 10;
91 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPIDLE, &val, sizeof (val)))
92 LOG (llevError, "TCP_KEEPIDLE: %s\n", strerror (errno));
93
94 val = 5;
95 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPCNT, &val, sizeof (val)))
96 LOG (llevError, "TCP_KEEPCNT: %s\n", strerror (errno));
97
98 val = 1;
99 if (setsockopt (fd, IPPROTO_TCP, TCP_KEEPINTVL, &val, sizeof (val)))
100 LOG (llevError, "TCP_KEEPINTVL: %s\n", strerror (errno));
101 }
102#endif
73 103
74 { 104 {
75 int bufsize = 65535; /*Supposed absolute upper limit */ 105 int bufsize = 65535; /*Supposed absolute upper limit */
76 int oldbufsize; 106 int oldbufsize;
77 int buflen = sizeof (int); 107 int buflen = sizeof (int);
… …
88 118
89 buflen = sizeof (oldbufsize); 119 buflen = sizeof (oldbufsize);
90 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen); 120 getsockopt (fd, SOL_SOCKET, SO_SNDBUF, (char *) &oldbufsize, (socklen_t *) & buflen);
91 } 121 }
92 122
123 state = ST_SETUP;
93 mapmode = Map0Cmd; 124 mapmode = Map0Cmd;
94 darkness = 1; 125 darkness = 1;
95 status = Ns_Add;
96 mapx = 11; 126 mapx = 11;
97 mapy = 11; 127 mapy = 11;
98 itemcmd = 1; /* Default is version item1 command */ 128 itemcmd = 1; /* Default is version item1 command */
99 129
100 faces_sent_len = nrofpixmaps; 130 faces_sent = salloc0<uint8> (nrofpixmaps);
101 faces_sent = (uint8 *)calloc (nrofpixmaps, sizeof (*faces_sent));
102 if (!faces_sent)
103 fatal (OUT_OF_MEMORY);
104 131
105 /* Do this so we don't send a face command for the client for 132 /* Do this so we don't send a face command for the client for
106 * this face. Face 0 is sent to the client to say clear 133 * this face. Face 0 is sent to the client to say clear
107 * face information. 134 * face information.
108 */ 135 */
109 faces_sent[0] = NS_FACESENT_FACE; 136 faces_sent[0] = NS_FACESENT_FACE;
110 137
111 socket_ev.fd (fd).poll (PE_W).start (); 138 // socket I/O is low priority
139 // we prefer to have the server run instead of handling client requests
140 socket_ev.prio (PE_PRIO_NORMAL + 1);
141 socket_ev.fd (fd);
142 socket_ev.poll (PE_R);
143
144 // command handling is even lower priority
145 // that way no client can monopolise the server
146 cmd_ev.prio (PE_PRIO_NORMAL + 2);
112 147
113 // initialisation done, kick it! 148 // initialisation done, kick it!
114
115 {
116 packet sl;
117 sl.printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO); 149 send_packet_printf ("version %d %d %s\n", VERSION_CS, VERSION_SC, VERSION_INFO);
118 send_packet (sl); 150 flush ();
119 }
120 151
121#if 0//TODO 152#if 0//TODO
122 socket_info.nconns++; 153 socket_info.nconns++;
123 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns; 154 if (socket_info.nconns > cst_tot.max_conn) cst_tot.max_conn = socket_info.nconns;
124 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns; 155 if (socket_info.nconns > cst_lst.max_conn) cst_lst.max_conn = socket_info.nconns;
125#endif 156#endif
126} 157}
127 158
128client_socket::~client_socket () 159client::~client ()
129{ 160{
130 status = Ns_Dead; 161 if (pl)
162 {
163 pl->save ();
164 leave (pl, 1);
165 pl->ns = 0;
166
167 delete pl;
168 }
169
170 if (fd >= 0)
171 close (fd);
172
173 sfree<uint8> (faces_sent, nrofpixmaps);
174 free (stats.range);
175 free (stats.title);
176 free (host);
177}
178
179void
180client::destroy ()
181{
182 INVOKE_CLIENT (DESTROY, this);
183
184 state = ST_DEAD;
185
186 socket_ev.suspend ();
187 cmd_ev.suspend ();
131} 188}
132 189
133/** This sets up the socket and reads all the image information into memory. */ 190/** This sets up the socket and reads all the image information into memory. */
134void 191void
135init_ericserver (void) 192init_ericserver (void)
136{ 193{
137 struct sockaddr_in insock;
138 struct linger linger_opt;
139
140 memset (&cst_tot, 0, sizeof (CS_Stats));
141 memset (&cst_lst, 0, sizeof (CS_Stats));
142 cst_tot.time_start = time (NULL); 194 cst_tot.time_start = time (NULL);
143 cst_lst.time_start = time (NULL); 195 cst_lst.time_start = time (NULL);
144 196
145 LOG (llevDebug, "Initialize new client/server data\n"); 197 LOG (llevDebug, "Initialize new client/server data\n");
146 198
… …
160{ 212{
161 LOG (llevDebug, "Freeing all new client/server information.\n"); 213 LOG (llevDebug, "Freeing all new client/server information.\n");
162 free_socket_images (); 214 free_socket_images ();
163} 215}
164 216
165/** 217client *
166 * Frees a socket.
167 * Basically, all we need to do here is free all data structures that
168 * might be associated with the socket. It is up to the caller to
169 * update the list
170 */
171
172void
173free_newsocket (client_socket *ns)
174{
175 if (ns->fd >= 0)
176 close (ns->fd);
177
178 if (ns->stats.range)
179 free (ns->stats.range);
180
181 if (ns->stats.title)
182 free (ns->stats.title);
183
184 free (ns->host);
185
186 ns->fd = -1;
187 ns->stats.range = 0;
188 ns->stats.title = 0;
189 ns->host = 0;
190}
191
192/** Sends the 'goodbye' command to the player, and closes connection. */
193void
194final_free_player (player *pl)
195{
196 pl->socket->send_packet ("goodbye");
197 free_newsocket (pl->socket);
198 free_player (pl);
199}
200
201bool
202add_client_socket (int fd, const char *peername) 218client::create (int fd, const char *peername)
203{ 219{
204 if (checkbanned (NULL, peername)) 220 if (checkbanned (NULL, peername))
205 { 221 {
206 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername); 222 LOG (llevInfo, "Banned host tried to connect: [%s]\n", peername);
207 return false; 223 return 0;
208 } 224 }
209 else 225 else
210 { 226 {
211 client_socket *ns = new client_socket (dup (fd), peername); 227 client *ns = new client (dup (fd), peername);
212 client_sockets.push_back (ns); 228 clients.push_back (ns);
229
230 ns->instantiate (); // effectively a nop right now
231
232 INVOKE_CLIENT (CONNECT, ns);
233
213 return true; 234 return ns;
214 } 235 }
215} 236}
216 237

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