Moving towards a server/clients structure.

1 files changed, 0 insertions, 568 deletions

diff --git a/src/irc/network.c b/src/irc/network.c
deleted file mode 100644
index edafd4f..0000000
--- a/src/irc/network.c
+++ /dev/null
@@ -1,568 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-/* "POSIX.1  does not require the inclusion of <sys/types.h>" */
-/* - man page for setsockopt */
-/* #include <sys/types.h> */
-#include <sys/socket.h>
-#include <sys/time.h>
-
-#include "error.h"
-
-#include "network.h"
-
-static int re_create_socket (struct ZoO_network net [const restrict static 1])
-{
-   struct timeval timeout;
-   const int old_errno = errno;
-
-   errno = 0;
-   timeout.tv_sec = ZoO_NETWORK_TIMEOUT;
-   timeout.tv_usec = 0;
-
-   if (net->connection != -1)
-   {
-      close(net->connection);
-   }
-
-   net->connection =
-      socket
-      (
-         net->addrinfo->ai_family,
-         net->addrinfo->ai_socktype,
-         net->addrinfo->ai_protocol
-      );
-
-   if (net->connection == -1)
-   {
-      ZoO_ERROR("Could not create socket: %s.", strerror(errno));
-
-      goto RETURN_FAILED;
-   }
-
-   if
-   (
-      (
-         setsockopt
-         (
-            net->connection,
-            SOL_SOCKET,
-            SO_RCVTIMEO,
-            (const void *) &timeout,
-            (socklen_t) sizeof(struct timeval)
-         ) < 0
-      )
-      ||
-      (
-         setsockopt
-         (
-            net->connection,
-            SOL_SOCKET,
-            SO_SNDTIMEO,
-            (const void *) &timeout,
-            (socklen_t) sizeof(struct timeval)
-         ) < 0
-      )
-   )
-   {
-      ZoO_ERROR("Could not set timeout on network socket: %s", strerror(errno));
-
-      goto RETURN_FAILED;
-   }
-
-   ZoO_S_DEBUG(ZoO_DEBUG_NETWORK, "(Re)connecting to network...");
-
-   if
-   (
-      connect
-      (
-         net->connection,
-         net->addrinfo->ai_addr,
-         net->addrinfo->ai_addrlen
-      ) != 0
-   )
-   {
-      ZoO_ERROR("Could not establish connection: %s", strerror(errno));
-
-      goto RETURN_FAILED;
-   }
-
-   errno = old_errno;
-
-   return 0;
-
-RETURN_FAILED:
-   errno = old_errno;
-
-   return -1;
-}
-
-static int reconnect (struct ZoO_network net [const restrict static 1])
-{
-   const int old_errno = errno;
-
-   memset(net->in, 0, (sizeof(ZoO_char) * 513));
-   memset(net->out, 0, (sizeof(ZoO_char) * 513));
-   memset(net->buffer, 0, (sizeof(ZoO_char) * 513));
-
-   net->buffer_index = 0;
-   net->buffer_remaining = 0;
-
-   if (re_create_socket(net) < 0)
-   {
-      return -1;
-   }
-
-   snprintf(net->out, 512, "USER %s 8 * :%s\r\n", net->user, net->name);
-
-   if (write(net->connection, net->out, strlen(net->out)) < 1)
-   {
-      goto RETURN_WRITE_FAILED;
-   }
-
-   snprintf(net->out, 512, "NICK %s\r\n", net->nick);
-
-   if (write(net->connection, net->out, strlen(net->out)) < 1)
-   {
-      goto RETURN_WRITE_FAILED;
-   }
-
-   net->buffer_remaining = 0;
-   net->buffer_index = 0;
-
-   ZoO_S_DEBUG(ZoO_DEBUG_NETWORK, "(Re)connected.");
-
-   errno = old_errno;
-
-   return 0;
-
-RETURN_WRITE_FAILED:
-   ZoO_ERROR
-   (
-      "Unable to write to the network: %s",
-      strerror(errno)
-   );
-
-   errno = old_errno;
-
-   return -1;
-}
-
-int ZoO_network_connect
-(
-   struct ZoO_network net [const static 1],
-   const char host [const restrict static 1],
-   const char port [const restrict static 1],
-   const char channel [const restrict static 1],
-   const char user [const restrict static 1],
-   const char name [const restrict static 1],
-   const char nick [const restrict static 1]
-)
-{
-   int error;
-   struct addrinfo hints;
-   const int old_errno = errno;
-
-   net->connection = -1;
-   net->channel = channel;
-   net->user = user;
-   net->name = name;
-   net->nick = nick;
-   net->buffer_index = 0;
-   net->buffer_remaining = 0;
-
-   memset(&hints, 0, sizeof(struct addrinfo));
-   memset(net->in, 0, (sizeof(ZoO_char) * 513));
-   memset(net->out, 0, (sizeof(ZoO_char) * 513));
-   memset(net->buffer, 0, (sizeof(ZoO_char) * 513));
-
-   hints.ai_family = AF_INET;
-   hints.ai_socktype = SOCK_STREAM;
-
-   errno = 0;
-
-   error = getaddrinfo(host, port, &hints, &(net->addrinfo));
-
-   if (error != 0)
-   {
-      if (error == EAI_SYSTEM)
-      {
-         ZoO_ERROR
-         (
-            "Could not retrieve server information: %s.",
-            strerror(errno)
-         );
-      }
-      else
-      {
-         ZoO_FATAL
-         (
-            "Could not retrieve server information: %s.",
-            gai_strerror(error)
-         );
-      }
-
-      errno = old_errno;
-
-      return -1;
-   }
-
-   errno = old_errno;
-
-   reconnect(net);
-
-   return 0;
-}
-
-static void buffer_msg
-(
-   struct ZoO_network net [const static 1]
-)
-{
-   ssize_t in_count, i;
-
-   if (net->buffer_remaining > 0)
-   {
-      in_count = net->buffer_remaining;
-      net->buffer_remaining = 0;
-
-      goto PARSE_READ;
-   }
-
-READ_MORE:
-   in_count = read(net->connection, net->buffer, 512);
-
-   if (in_count <= 0)
-   {
-      ZoO_ERROR("Could not read from network: %s", strerror(errno));
-
-      while (reconnect(net) < 0)
-      {
-         ZoO_S_DEBUG
-         (
-            ZoO_DEBUG_NETWORK,
-            "Attempting new connection in 5s."
-         );
-         sleep(5);
-      }
-
-      goto READ_MORE;
-   }
-
-PARSE_READ:
-   for (i = 0; i < in_count; ++i)
-   {
-      net->in[net->buffer_index] = net->buffer[i];
-
-      if
-      (
-         (net->buffer_index > 0)
-         && (net->in[net->buffer_index - 1] == '\r')
-         && (net->in[net->buffer_index] == '\n')
-      )
-      {
-         net->buffer_remaining = (in_count - (i + 1));
-         net->in_length = (net->buffer_index - 1);
-         net->buffer_index = 0;
-
-         if (net->buffer_remaining > 0)
-         {
-            memmove
-            (
-               (void *) net->buffer,
-               (const void *) (net->buffer + (i + 1)),
-               net->buffer_remaining
-            );
-         }
-
-         return;
-      }
-
-      net->buffer_index += 1;
-
-      if (net->buffer_index > 512)
-      {
-         ZoO_S_WARNING("Incoming message is too long. Discarded.");
-
-         net->buffer_index = 0;
-         net->buffer_remaining = 0;
-
-         break;
-      }
-   }
-
-   goto READ_MORE;
-}
-
-void handle_ping (struct ZoO_network net [const restrict static 1])
-{
-   const int old_errno = errno;
-
-   #if ZoO_RANDOMLY_IGNORE_PING == 1
-   if ((rand() % 10) < 3)
-   {
-      ZoO_S_DEBUG(ZoO_DEBUG_NETWORK, "Ping request ignored.");
-
-      return;
-   }
-
-   #endif
-
-   #if ZoO_DEBUG_NETWORK_PING == 1
-      net->in[net->in_length] = '\0';
-
-      ZoO_DEBUG(ZoO_DEBUG_NETWORK, "[NET->in] %s", net->in);
-
-      net->in[net->in_length] = '\r';
-   #endif
-
-   net->in[1] = 'O';
-
-   errno = 0;
-
-   if (write(net->connection, net->in, (net->in_length + 2)) < 1)
-   {
-      ZoO_ERROR("Could not reply to PING request: %s", strerror(errno));
-
-      errno = old_errno;
-
-      while (reconnect(net) < 0)
-      {
-         ZoO_S_DEBUG
-         (
-            ZoO_DEBUG_NETWORK,
-            "Attempting new connection in 5s."
-         );
-         sleep(5);
-      }
-
-      return;
-   }
-
-   errno = old_errno;
-
-#if ZoO_DEBUG_NETWORK_PING == 1
-   net->in[net->in_length] = '\0';
-
-   ZoO_DEBUG(ZoO_DEBUG_NETWORK, "[NET->out] %s", net->in);
-#endif
-
-}
-
-int ZoO_network_receive
-(
-   struct ZoO_network net [const restrict static 1],
-   size_t msg_offset [const restrict static 1],
-   size_t msg_size [const restrict static 1],
-   enum ZoO_msg_type type [const restrict static 1]
-)
-{
-   const int old_errno = errno;
-   ssize_t cmd, i;
-
-READ_NEW_MSG:
-   buffer_msg(net);
-
-   net->in[net->in_length + 2] = '\0';
-
-   /* XXX: doesn't that prevent net [restrict]? */
-   if (ZoO_IS_PREFIX("PING", net->in))
-   {
-
-      handle_ping(net);
-
-      goto READ_NEW_MSG;
-   }
-
-   if (net->in_length == 0)
-   {
-      goto READ_NEW_MSG;
-   }
-
-   net->in[net->in_length] = '\0';
-
-   ZoO_DEBUG(ZoO_DEBUG_NETWORK, "[NET->in] %s", net->in);
-
-   if (net->in[0] == ':')
-   {
-      cmd = 0;
-
-      for (i = 1; i < 512; i++)
-      {
-         if (net->in[i] == ' ')
-         {
-            cmd = (i + 1);
-
-            break;
-         }
-      }
-
-      if (ZoO_IS_PREFIX("001", (net->in + cmd)))
-      {
-         snprintf
-         (
-            net->out,
-            512,
-            "JOIN :%s\r\n",
-            net->channel
-         );
-
-         errno = 0;
-
-         if (write(net->connection, net->out, strlen(net->out)) < 1)
-         {
-            ZoO_ERROR
-            (
-               "Could not send JOIN request: %s",
-               strerror(errno)
-            );
-
-            errno = old_errno;
-
-            if (reconnect(net) < 0)
-            {
-               return -1;
-            }
-         }
-
-         errno = old_errno;
-
-         ZoO_DEBUG(ZoO_DEBUG_NETWORK, "[NET->out] %s", net->out);
-
-         goto READ_NEW_MSG;
-      }
-
-      if (ZoO_IS_PREFIX("JOIN", (net->in + cmd)))
-      {
-         for (i = 1; (i < 512) && (net->in[i] != '!'); ++i)
-         {
-         }
-
-         if ((i == 512) || (i == 1))
-         {
-            ZoO_ERROR("Could not find JOIN username: %s", net->in);
-
-            goto READ_NEW_MSG;
-         }
-
-         *msg_offset = 1;
-         *msg_size = (i - 1);
-         net->in[i] = '\0';
-
-         *type = ZoO_JOIN;
-
-         return 0;
-      }
-
-      if (ZoO_IS_PREFIX("PRIVMSG", (net->in + cmd)))
-      {
-
-         for (; i < 512; i++)
-         {
-            if (net->in[i] == ':')
-            {
-               cmd = (i + 1);
-
-               break;
-            }
-         }
-
-         *msg_offset = cmd;
-         *msg_size = (net->in_length - cmd);
-
-         /*net->in[*msg_size - 1] = '\0'; */
-
-         *type = ZoO_PRIVMSG;
-
-         return 0;
-      }
-   }
-
-   if (ZoO_IS_PREFIX("ERROR", (net->in + cmd)))
-   {
-      while (reconnect(net) < 0)
-      {
-         ZoO_S_DEBUG
-         (
-            ZoO_DEBUG_NETWORK,
-            "Attempting new connection in 5s."
-         );
-         sleep(5);
-      }
-   }
-
-   goto READ_NEW_MSG;
-}
-
-int ZoO_network_send (struct ZoO_network net [const restrict static 1])
-{
-   int const old_errno = errno;
-
-   if (ZoO_IS_PREFIX("\001action", net->out))
-   {
-
-      net->out[1] = 'A';
-      net->out[2] = 'C';
-      net->out[3] = 'T';
-      net->out[4] = 'I';
-      net->out[5] = 'O';
-      net->out[6] = 'N';
-
-      snprintf
-      (
-         net->in,
-         512,
-         "PRIVMSG %s :%s\001\r\n",
-         net->channel,
-         net->out
-      );
-   }
-   else
-   {
-      snprintf
-      (
-         net->in,
-         512,
-         "PRIVMSG %s :%s\r\n",
-         net->channel,
-         net->out
-      );
-   }
-
-   errno = 0;
-
-   if (write(net->connection, net->in, strlen(net->in)) < 1)
-   {
-      ZoO_ERROR
-      (
-         "Could not send PRIVMSG: %s.",
-         strerror(errno)
-      );
-
-      errno = old_errno;
-
-      if (reconnect(net) < 0)
-      {
-         return -2;
-      }
-      else
-      {
-         return -1;
-      }
-   }
-
-   errno = old_errno;
-
-   ZoO_DEBUG(ZoO_DEBUG_NETWORK, "[NET->out] %s", net->in);
-
-   return 0;
-}
-
-void ZoO_network_disconnect (struct ZoO_network net [const restrict static 1])
-{
-   freeaddrinfo(net->addrinfo);
-   close(net->connection);
-}
-