4 #include <acess/sys.h>
\r
9 #include <readline.h>
\r
14 typedef struct sServer {
\r
15 struct sServer *Next;
\r
17 char InBuf[BUFSIZ+1];
\r
22 typedef struct sMessage
\r
24 struct sMessage *Next;
\r
28 char *Source; // Pointer into `Data`
\r
32 typedef struct sWindow
\r
34 struct sWindow *Next;
\r
36 tServer *Server; //!< Canoical server (can be NULL)
\r
38 char Name[]; // Channel name / remote user
\r
44 MSG_TYPE_SERVER, // Server message
\r
46 MSG_TYPE_NOTICE, // NOTICE command
\r
47 MSG_TYPE_JOIN, // JOIN command
\r
48 MSG_TYPE_PART, // PART command
\r
49 MSG_TYPE_QUIT, // QUIT command
\r
51 MSG_TYPE_STANDARD, // Standard line
\r
52 MSG_TYPE_ACTION, // /me
\r
57 // === PROTOTYPES ===
\r
58 int ParseArguments(int argc, const char *argv[]);
\r
59 int ParseUserCommand(char *String);
\r
61 tServer *Server_Connect(const char *Name, const char *AddressString, short PortNumber);
\r
62 tMessage *Message_AppendF(tServer *Server, int Type, const char *Source, const char *Dest, const char *Message, ...);
\r
63 tMessage *Message_Append(tServer *Server, int Type, const char *Source, const char *Dest, const char *Message);
\r
64 tWindow *Window_Create(tServer *Server, const char *Name);
\r
66 int ProcessIncoming(tServer *Server);
\r
68 int SetCursorPos(int Row, int Col);
\r
69 int writef(int FD, const char *Format, ...);
\r
70 int OpenTCP(const char *AddressString, short PortNumber);
\r
71 char *GetValue(char *Str, int *Ofs);
\r
72 static inline int isdigit(int ch);
\r
75 char *gsUsername = "user";
\r
76 char *gsHostname = "acess";
\r
77 char *gsRealName = "Acess2 IRC Client";
\r
78 char *gsNickname = "acess";
\r
80 tWindow gWindow_Status = {
\r
81 NULL, NULL, NULL, // No next, empty list, no server
\r
82 0, "" // No activity, empty name (rendered as status)
\r
84 tWindow *gpWindows = &gWindow_Status;
\r
85 tWindow *gpCurrentWindow = &gWindow_Status;
\r
86 int giTerminal_Width = 80;
\r
87 int giTerminal_Height = 25;
\r
90 void ExitHandler(void)
\r
92 printf("\x1B[?1047l");
\r
96 int main(int argc, const char *argv[], const char *envp[])
\r
99 tReadline *readline_info;
\r
101 // Parse Command line
\r
102 if( (tmp = ParseArguments(argc, argv)) ) return tmp;
\r
104 atexit(ExitHandler);
\r
106 giTerminal_Width = ioctl(1, 5, NULL); // getset_width
\r
107 giTerminal_Height = ioctl(1, 6, NULL); // getset_height
\r
109 printf("\x1B[?1047h");
\r
110 printf("\x1B[%i;%ir", 0, giTerminal_Height-1);
\r
112 SetCursorPos(giTerminal_Height-1, 0);
\r
113 printf("[(status)] ");
\r
115 // HACK: Static server entry
\r
116 // UCC (University [of Western Australia] Computer Club) IRC Server
\r
117 gWindow_Status.Server = Server_Connect( "UCC", "130.95.13.18", 6667 );
\r
119 if( !gWindow_Status.Server )
\r
122 SetCursorPos(giTerminal_Height-1, 0);
\r
123 printf("[(status)] ");
\r
124 readline_info = Readline_Init(1);
\r
128 fd_set readfds, errorfds;
\r
133 FD_ZERO(&errorfds);
\r
134 FD_SET(0, &readfds); // stdin
\r
136 // Fill server FDs in fd_set
\r
137 for( srv = gpServers; srv; srv = srv->Next )
\r
139 FD_SET(srv->FD, &readfds);
\r
140 FD_SET(srv->FD, &errorfds);
\r
141 if( srv->FD > maxFD )
\r
145 rv = select(maxFD+1, &readfds, 0, &errorfds, NULL);
\r
146 if( rv == -1 ) break;
\r
148 if(FD_ISSET(0, &readfds))
\r
151 char *cmd = Readline_NonBlock(readline_info);
\r
156 ParseUserCommand(cmd);
\r
160 SetCursorPos(giTerminal_Height-1, 0);
\r
161 printf("\x1B[K"); // Clear line
\r
162 if( gpCurrentWindow->Name[0] )
\r
163 printf("[%s:%s] ", gpCurrentWindow->Server->Name, gpCurrentWindow->Name);
\r
165 printf("[(status)] ");
\r
170 for( srv = gpServers; srv; srv = srv->Next )
\r
172 if(FD_ISSET(srv->FD, &readfds))
\r
174 if( ProcessIncoming(srv) != 0 ) {
\r
180 if(FD_ISSET(srv->FD, &errorfds))
\r
192 for( srv = gpServers; srv; srv = srv->Next )
\r
199 * \todo Actually implement correctly :)
\r
201 int ParseArguments(int argc, const char *argv[])
\r
206 int ParseUserCommand(char *String)
\r
208 if( String[0] == '/' )
\r
213 command = GetValue(String, &pos);
\r
215 if( strcmp(command, "/join") == 0 )
\r
217 char *channel_name = GetValue(String, &pos);
\r
219 if( gpCurrentWindow->Server )
\r
221 writef(gpCurrentWindow->Server->FD, "JOIN :%s\n", channel_name);
\r
224 else if( strcmp(command, "/quit") == 0 )
\r
226 char *quit_message = String + pos;
\r
229 if( quit_message == NULL || quit_message[0] == '\0' )
\r
230 quit_message = "/quit - Acess2 IRC Client";
\r
232 for( srv = gpServers; srv; srv = srv->Next )
\r
234 writef(srv->FD, "QUIT :%s\n", quit_message);
\r
239 else if( strcmp(command, "/window") == 0 || strcmp(command, "/win") == 0 || strcmp(command, "/w") == 0 )
\r
241 char *window_id = GetValue(String, &pos);
\r
242 int window_num = atoi(window_id);
\r
244 if( window_num > 0 )
\r
247 window_num --; // Move to base 0
\r
248 // Get `window_num`th window
\r
249 for( win = gpWindows; win && window_num--; win = win->Next );
\r
251 gpCurrentWindow = win;
\r
253 // Otherwise, silently ignore
\r
259 for( win = gpWindows; win; win = win->Next, window_num ++ )
\r
261 if( win->Name[0] ) {
\r
262 Message_AppendF(NULL, MSG_TYPE_SERVER, "client", "",
\r
263 "%i: %s/%s", window_num, win->Server->Name, win->Name);
\r
266 Message_AppendF(NULL, MSG_TYPE_SERVER, "client", "",
\r
267 "%i: (status)", window_num);
\r
274 Message_AppendF(NULL, MSG_TYPE_SERVER, "client", "", "Unknown command %s", command);
\r
280 // - Only send if server is valid and window name is non-empty
\r
281 if( gpCurrentWindow->Server && gpCurrentWindow->Name[0] )
\r
283 Message_Append(gpCurrentWindow->Server, MSG_TYPE_STANDARD,
\r
284 gsNickname, gpCurrentWindow->Name, String);
\r
285 writef(gpCurrentWindow->Server->FD,
\r
286 "PRIVMSG %s :%s\n", gpCurrentWindow->Name,
\r
296 * \brief Connect to a server
\r
298 tServer *Server_Connect(const char *Name, const char *AddressString, short PortNumber)
\r
302 ret = calloc(1, sizeof(tServer) + strlen(Name) + 1);
\r
304 strcpy(ret->Name, Name);
\r
306 // Connect to the remove server
\r
307 ret->FD = OpenTCP( AddressString, PortNumber );
\r
308 if( ret->FD == -1 ) {
\r
309 fprintf(stderr, "%s: Unable to create socket\n", Name);
\r
313 // Append to open list
\r
314 ret->Next = gpServers;
\r
317 // Read some initial data
\r
318 Message_Append(NULL, MSG_TYPE_SERVER, Name, "", "Connection opened");
\r
319 ProcessIncoming(ret);
\r
322 writef(ret->FD, "USER %s %s %s : %s\n", gsUsername, gsHostname, AddressString, gsRealName);
\r
323 writef(ret->FD, "NICK %s\n", gsNickname);
\r
324 Message_Append(NULL, MSG_TYPE_SERVER, Name, "", "Identified");
\r
325 //printf("%s: Identified\n", Name);
\r
330 tMessage *Message_AppendF(tServer *Server, int Type, const char *Source, const char *Dest, const char *Message, ...)
\r
334 va_start(args, Message);
\r
335 len = vsnprintf(NULL, 1000, Message, args);
\r
338 vsnprintf(buf, len+1, Message, args);
\r
339 return Message_Append(Server, Type, Source, Dest, buf);
\r
343 tMessage *Message_Append(tServer *Server, int Type, const char *Source, const char *Dest, const char *Message)
\r
346 tWindow *win = NULL;
\r
347 int msgLen = strlen(Message);
\r
349 // NULL servers are internal messages
\r
350 if( Server == NULL || Source[0] == '\0' )
\r
352 win = &gWindow_Status;
\r
354 // Determine if it's a channel or PM message
\r
355 else if( Dest[0] == '#' || Dest[0] == '&' ) // TODO: Better determining here
\r
357 tWindow *prev = NULL;
\r
358 for(win = gpWindows; win; prev = win, win = win->Next)
\r
360 if( win->Server == Server && strcmp(win->Name, Dest) == 0 )
\r
366 win = Window_Create(Server, Dest);
\r
370 else if( strcmp(Dest, Server->Nick) != 0 )
\r
372 // Umm... message for someone who isn't us?
\r
373 win = &gWindow_Status; // Stick it in the status window, just in case
\r
377 else if( strchr(Source, '.') ) // TODO: And again, less hack please
\r
380 for(win = gpWindows; win; win = win->Next)
\r
382 if( win->Server == Server && strcmp(win->Name, Source) == 0 )
\r
389 win = &gWindow_Status;
\r
396 for(win = gpWindows; win; win = win->Next)
\r
398 if( win->Server == Server && strcmp(win->Name, Source) == 0 )
\r
404 win = Window_Create(Server, Dest);
\r
408 ret = malloc( sizeof(tMessage) + msgLen + 1 + strlen(Source) + 1 );
\r
409 ret->Source = ret->Data + msgLen + 1;
\r
410 strcpy(ret->Source, Source);
\r
411 strcpy(ret->Data, Message);
\r
413 ret->Server = Server;
\r
415 // TODO: Append to window message list
\r
416 ret->Next = win->Messages;
\r
417 win->Messages = ret;
\r
419 //TODO: Set location
\r
422 int pos = SetCursorPos(giTerminal_Height-2, 0);
\r
424 if( win == gpCurrentWindow ) {
\r
425 printf("\x1B[T"); // Scroll down 1 (free space below)
\r
426 printf("[%s] %s\n", Source, Message);
\r
430 printf("%s/%s [%s] %s\n", win->Server->Name, win->Name, Source, Message);
\r
432 printf("(status) [%s] %s\n", Source, Message);
\r
434 SetCursorPos(-1, pos);
\r
440 tWindow *Window_Create(tServer *Server, const char *Name)
\r
442 tWindow *ret, *prev = NULL;
\r
445 // Get the end of the list
\r
446 // TODO: Cache this instead
\r
447 for( ret = gpCurrentWindow; ret; prev = ret, ret = ret->Next )
\r
450 ret = malloc(sizeof(tWindow) + strlen(Name) + 1);
\r
451 ret->Messages = NULL;
\r
452 ret->Server = Server;
\r
453 ret->ActivityLevel = 1;
\r
454 strcpy(ret->Name, Name);
\r
457 ret->Next = prev->Next;
\r
460 else { // Shouldn't happen really
\r
461 ret->Next = gpWindows;
\r
465 // printf("Win %i %s:%s created\n", num, Server->Name, Name);
\r
470 void Cmd_PRIVMSG(tServer *Server, const char *Dest, const char *Src, const char *Message)
\r
472 Message_Append(Server, MSG_TYPE_STANDARD, Dest, Src, Message);
\r
473 //printf("<%s:%s:%s> %s\n", Server->Name, Dest, Src, Message);
\r
478 void ParseServerLine(tServer *Server, char *Line)
\r
486 ident = GetValue(Line, &pos); // Ident (user or server)
\r
487 cmd = GetValue(Line, &pos);
\r
490 if( isdigit(cmd[0]) && isdigit(cmd[1]) && isdigit(cmd[2]) )
\r
492 char *user, *message;
\r
494 num = (cmd[0] - '0') * 100;
\r
495 num += (cmd[1] - '0') * 10;
\r
496 num += (cmd[2] - '0') * 1;
\r
498 user = GetValue(Line, &pos);
\r
500 if( Line[pos] == ':' ) {
\r
501 message = Line + pos + 1;
\r
504 message = GetValue(Line, &pos);
\r
510 //printf("[%s] %i %s\n", Server->Name, num, message);
\r
511 Message_Append(Server, MSG_TYPE_SERVER, ident, user, message);
\r
515 else if( strcmp(cmd, "NOTICE") == 0 )
\r
517 char *class, *message;
\r
519 class = GetValue(Line, &pos);
\r
521 if( Line[pos] == ':' ) {
\r
522 message = Line + pos + 1;
\r
525 message = GetValue(Line, &pos);
\r
528 //printf("[%s] NOTICE %s: %s\n", Server->Name, ident, message);
\r
529 Message_Append(Server, MSG_TYPE_NOTICE, ident, "", message);
\r
531 else if( strcmp(cmd, "PRIVMSG") == 0 )
\r
533 char *dest, *message;
\r
534 dest = GetValue(Line, &pos);
\r
536 if( Line[pos] == ':' ) {
\r
537 message = Line + pos + 1;
\r
540 message = GetValue(Line, &pos);
\r
542 Cmd_PRIVMSG(Server, dest, ident, message);
\r
543 Message_Append(Server, MSG_TYPE_STANDARD, ident, dest, message);
\r
545 else if( strcmp(cmd, "JOIN" ) == 0 )
\r
548 channel = GetValue(Line, &pos) + 1;
\r
549 Window_Create(Server, channel);
\r
553 Message_AppendF(Server, MSG_TYPE_SERVER, "", "", "Unknown message %s (%s)\n", cmd, Line+pos);
\r
558 // Command to client
\r
559 printf("Client Command: %s", Line);
\r
564 * \brief Process incoming lines from the server
\r
566 int ProcessIncoming(tServer *Server)
\r
568 char *ptr, *newline;
\r
571 // While there is data in the buffer, read it into user memory and
\r
572 // process it line by line
\r
573 // ioctl#8 on a TCP client gets the number of bytes in the recieve buffer
\r
574 // - Used to avoid blocking
\r
576 while( (len = ioctl(Server->FD, 8, NULL)) > 0 )
\r
580 len = read(Server->FD, BUFSIZ - Server->ReadPos, &Server->InBuf[Server->ReadPos]);
\r
584 Server->InBuf[Server->ReadPos + len] = '\0';
\r
586 // Break into lines
\r
587 ptr = Server->InBuf;
\r
588 while( (newline = strchr(ptr, '\n')) )
\r
591 if( newline[-1] == '\r' ) newline[-1] = '\0';
\r
592 ParseServerLine(Server, ptr);
\r
596 // Handle incomplete lines
\r
597 if( ptr - Server->InBuf < len + Server->ReadPos ) {
\r
598 // Update the read position
\r
599 // InBuf ReadPos ptr ReadPos+len
\r
600 // | old | new used | new unused |
\r
601 Server->ReadPos = len + Server->ReadPos - (ptr - Server->InBuf);
\r
602 // Copy stuff back (moving "new unused" to the start of the buffer)
\r
603 memcpy(Server->InBuf, ptr, Server->ReadPos);
\r
606 Server->ReadPos = 0;
\r
616 * \brief Write a formatted string to a file descriptor
\r
619 int writef(int FD, const char *Format, ...)
\r
624 va_start(args, Format);
\r
625 len = vsnprintf(NULL, 1000, Format, args);
\r
630 va_start(args, Format);
\r
631 vsnprintf(buf, len+1, Format, args);
\r
634 return write(FD, len, buf);
\r
639 * \brief Initialise a TCP connection to \a AddressString on port \a PortNumber
\r
641 int OpenTCP(const char *AddressString, short PortNumber)
\r
645 char addrBuffer[8];
\r
647 // Parse IP Address
\r
648 addrType = Net_ParseAddress(AddressString, addrBuffer);
\r
649 if( addrType == 0 ) {
\r
650 fprintf(stderr, "Unable to parse '%s' as an IP address\n", AddressString);
\r
654 // Finds the interface for the destination address
\r
655 iface = Net_GetInterface(addrType, addrBuffer);
\r
656 if( iface == NULL ) {
\r
657 fprintf(stderr, "Unable to find a route to '%s'\n", AddressString);
\r
661 printf("iface = '%s'\n", iface);
\r
663 // Open client socket
\r
664 // TODO: Move this out to libnet?
\r
666 int len = snprintf(NULL, 100, "/Devices/ip/%s/tcpc", iface);
\r
668 snprintf(path, 100, "/Devices/ip/%s/tcpc", iface);
\r
669 fd = open(path, OPENFLAG_READ|OPENFLAG_WRITE);
\r
675 fprintf(stderr, "Unable to open TCP Client for reading\n");
\r
679 // Set remote port and address
\r
680 printf("Setting port and remote address\n");
\r
681 ioctl(fd, 5, &PortNumber);
\r
682 ioctl(fd, 6, addrBuffer);
\r
685 printf("Initiating connection\n");
\r
686 if( ioctl(fd, 7, NULL) == 0 ) {
\r
687 // Shouldn't happen :(
\r
688 fprintf(stderr, "Unable to start connection\n");
\r
692 // Return descriptor
\r
697 * \brief Read a space-separated value from a string
\r
699 char *GetValue(char *Src, int *Ofs)
\r
702 char *ret = Src + pos;
\r
705 if( !Src ) return NULL;
\r
707 while( *ret == ' ' ) ret ++;
\r
709 end = strchr(ret, ' ');
\r
714 end = ret + strlen(ret) - 1;
\r
718 while( *ret == ' ' ) end ++;
\r
724 int SetCursorPos(int Row, int Col)
\r
727 Row = Col / giTerminal_Width;
\r
728 Col = Col % giTerminal_Width;
\r
730 printf("\x1B[%i;%iH", Col, Row);
\r
731 return ioctl(1, 9, NULL); // Ugh, constants
\r
734 static inline int isdigit(int ch)
\r
736 return '0' <= ch && ch < '9';
\r