2 #include "ClientSocket.h"
7 struct ClientSocket *data;
12 static struct socket_list *sockets = NULL;
13 static char buffer[BUF_SIZ];
15 static void init_sockets() {
16 sockets = malloc(sizeof(*sockets));
19 perror("malloc() failed");
26 struct ClientSocket* create_socket(char *host, int port, char *pass, struct UserNode *user) {
27 if(sockets == NULL) init_sockets();
28 struct ClientSocket *client = malloc(sizeof(*client));
31 perror("malloc() failed");
34 client->host = strdup(host);
36 printf("Connect: %s:%d\n", client->host, client->port);
37 client->pass = (pass == NULL ? NULL : strdup(pass));
40 client->bufferpos = 0;
41 client->traffic_in = 0;
42 client->traffic_out = 0;
43 client->connection_time = 0;
46 client->next = sockets->data;
47 sockets->data = client;
53 int connect_socket(struct ClientSocket *client) {
54 if((client->flags & SOCKET_FLAG_CONNECTED)) return 1;
56 struct sockaddr_in addr;
58 addr.sin_addr.s_addr = inet_addr(client->host);
59 if (addr.sin_addr.s_addr == INADDR_NONE) {
60 host = gethostbyname(client->host);
64 memcpy(&(addr.sin_addr), host->h_addr_list[0], 4);
66 sock = socket(PF_INET, SOCK_STREAM, 0);
69 perror("socket() failed");
73 addr.sin_port = htons(client->port);
74 addr.sin_family = AF_INET;
76 if (connect(sock, (struct sockaddr*)&addr, sizeof(addr)) == -1)
78 perror("connect() failed");
83 client->flags |= SOCKET_FLAG_CONNECTED;
84 client->connection_time = time(0);
86 //send the IRC Headers
90 if(client->pass && strcmp(client->pass, "")) {
91 len = sprintf(sendBuf, "PASS :%s\n", client->pass);
92 write_socket(client, sendBuf, len);
94 len = sprintf(sendBuf, "USER %s 0 0 :%s\n", client->user->ident, client->user->realname);
95 write_socket(client, sendBuf, len);
96 len = sprintf(sendBuf, "NICK %s\n", client->user->nick);
97 write_socket(client, sendBuf, len);
104 int connect_socket(struct ClientSocket *client) {
105 if((client->flags & SOCKET_FLAG_CONNECTED)) return 1;
106 struct hostent *host;
107 struct sockaddr_in addr;
109 if (!inet_aton(client->host, &addr.sin_addr))
111 host = gethostbyname(client->host);
114 perror("gethostbyname() failed");
117 addr.sin_addr = *(struct in_addr*)host->h_addr;
119 sock = socket(PF_INET, SOCK_STREAM, 0);
122 perror("socket() failed");
126 addr.sin_port = htons(client->port);
127 addr.sin_family = AF_INET;
129 if (connect(sock, (struct sockaddr*)&addr, sizeof(addr)) == -1)
131 perror("connect() failed");
136 client->flags |= SOCKET_FLAG_CONNECTED;
137 client->connection_time = time(0);
139 //send the IRC Headers
144 len = sprintf(sendBuf, "PASS :%s\n", client->pass);
145 write_socket(client, sendBuf, len);
147 len = sprintf(sendBuf, "USER %s 0 0 :%s\n", client->user->ident, client->user->realname);
148 write_socket(client, sendBuf, len);
149 len = sprintf(sendBuf, "NICK %s\n", client->user->nick);
150 write_socket(client, sendBuf, len);
157 int close_socket(struct ClientSocket *client) {
158 if(client == NULL) return 0;
159 if((client->flags & SOCKET_FLAG_CONNECTED))
161 struct ClientSocket *sock, *last_sock = NULL;
162 for (sock = sockets->data; sock; sock = sock->next) {
165 last_sock->next = sock->next;
167 sockets->data = sock->next;
178 int write_socket(struct ClientSocket *client, char* msg, int len) {
179 if(!(client->flags & SOCKET_FLAG_CONNECTED)) return 0;
180 printf("[send %d] %s", len, msg);
182 send(client->sock, msg, len, 0);
184 write(client->sock, msg, len);
186 client->traffic_out += len;
190 void socket_loop(int timeout_seconds) {
191 if(sockets == NULL) return;
193 struct timeval timeout;
194 struct ClientSocket *sock;
195 int ret = 0, bytes, i;
198 for (sock = sockets->data; sock; sock = sock->next) {
199 if(!(sock->flags & SOCKET_FLAG_CONNECTED)) continue; //skip disconnected sockets
200 FD_SET(sock->sock, &fds);
204 timeout.tv_sec = timeout_seconds;
206 ret = select(ret + 1, &fds, NULL, NULL, &timeout);
208 for (sock = sockets->data; sock; sock = sock->next) {
209 if((sock->flags & SOCKET_FLAG_CONNECTED) && FD_ISSET(sock->sock, &fds)) {
210 if(sock->bufferpos != 0) {
212 bytes = recv(sock->sock, buffer, sizeof(buffer), 0);
214 bytes = read(sock->sock, buffer, sizeof(buffer));
217 for(i = 0; i < bytes; i++) {
218 if(sock->bufferpos + i == BUF_SIZ*2) break; //buffer overflow
219 sock->buffer[sock->bufferpos + i] = buffer[i];
221 sock->bufferpos += i;
225 bytes = recv(sock->sock, sock->buffer, sizeof(sock->buffer), 0);
227 bytes = read(sock->sock, sock->buffer, sizeof(sock->buffer));
230 sock->bufferpos = bytes;
234 sock->flags &= ~(SOCKET_FLAG_CONNECTED | SOCKET_FLAG_READY);
235 bot_disconnect(sock);
237 sock->traffic_in += bytes;
238 int used = parse_lines(sock, sock->buffer, sock->bufferpos);
239 if(used == sock->bufferpos + 1) {
240 //used all bytes so just reset the bufferpos
243 for(i = 0; i < sock->bufferpos - used; i++) {
244 sock->buffer[i] = sock->buffer[i+used];
246 sock->bufferpos -= used;
254 putsock(struct ClientSocket *client, const char *text, ...)
257 char sendBuf[MAXLEN];
259 if (!(client->flags & SOCKET_FLAG_CONNECTED)) return;
261 va_start(arg_list, text);
262 pos = vsnprintf(sendBuf, MAXLEN - 2, text, arg_list);
264 if (pos < 0 || pos > (MAXLEN - 2)) pos = MAXLEN - 2;
266 sendBuf[pos+1] = '\0';
267 write_socket(client, sendBuf, pos+1);
270 struct ClientSocket* getBots(int flags, struct ClientSocket* last_bot) {
271 struct ClientSocket *sock = (last_bot ? last_bot->next : sockets->data);
272 if(sock == NULL) return NULL;
273 for (; sock; sock = sock->next) {
274 if(!flags || (sock->flags & flags) == flags)
280 void free_sockets() {
282 struct ClientSocket *client, *next;
283 for (client = sockets->data; client; client = next) {
285 if((client->flags & SOCKET_FLAG_CONNECTED))