make directory structure for client

1 files changed, 0 insertions, 215 deletions

diff --git a/src/main.c b/src/main.c
deleted file mode 100644
index 7a17966..0000000
--- a/src/main.c
+++ /dev/null
@@ -1,215 +0,0 @@
-#include <errno.h>
-#include <fcntl.h>
-#include <netinet/in.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/poll.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <unistd.h>
-
-#include <array.h>
-#include <better_string.h>
-#include <hash_table.h>
-#include <helpers.h>
-#include <opcodes.h>
-#include <protocol.h>
-
-int PORT = DEFAULT_PORT;
-int nfds = 1;
-struct pollfd fds[MAX_CONNECTIONS * 2];
-
-ht_t *USERS;
-ht_t *CHAN;
-
-void handle_sigint(int sig) {
-  for (int i = 0; i < nfds; i++) {
-    if (fds[i].fd >= 0) {
-      close(fds[i].fd);
-    }
-  }
-
-  exit(0);
-}
-
-/* modifying function: modifies `in` to point to new location after opcode */
-int parse_op(char *in) {
-  char buf[MAX_OP_LEN];
-  buf[0] = '\0';
-
-  char cur;
-  cur = in[0];
-
-  bool found = false;
-  for (int i = 0; i < 11; i++) {
-    if (cur == '\t') {
-      found = true;
-      in++;
-      break;
-    } else if (cur == '\0') {
-      break;
-    }
-
-    buf[i] = in[0];
-    in++;
-    cur = in[0];
-  }
-
-  return found ? encode_client_opcode(buf) : CO_UNRECOGNIZED;
-}
-
-array_t *parse_args(char *buf) { return NULL; }
-
-void set_non_blocking(int sock) {
-  int flags = fcntl(sock, F_GETFL, 0);
-  int code = fcntl(sock, F_SETFL, flags | O_NONBLOCK);
-  die_lz(code, "fcntl()");
-}
-
-int main(int argc, char **argv) {
-  char buffer[MAX_BUFSIZE];
-  char res_buffer[MAX_BUFSIZE];
-  struct pollfd *local_fds1 = fds;
-  struct pollfd *local_fds2 = fds + MAX_CONNECTIONS;
-  struct pollfd *local_fds = local_fds1;
-
-  /* We start by initializing our net-related structs */
-  signal(SIGINT, handle_sigint);
-
-  int listen_sd = socket(AF_INET6, SOCK_STREAM, 0);
-  int optval = 1;
-  die_lz(listen_sd, "socket()");
-
-  int reuse = setsockopt(listen_sd, SOL_SOCKET, SO_REUSEADDR, (char *)&optval,
-                         sizeof(optval));
-  die_lz(reuse, "setsockopt()");
-
-  int nonblock = ioctl(listen_sd, FIONBIO, (char *)&optval);
-  die_lz(nonblock, "ioctl()");
-
-  set_non_blocking(listen_sd);
-
-  /* Make new address */
-  struct sockaddr_in6 addr;
-  alloc_zero(&addr, sizeof(addr));
-
-  addr.sin6_family = AF_INET6;
-  memcpy(&addr.sin6_addr, &in6addr_any, sizeof(in6addr_any));
-  addr.sin6_port = htons(DEFAULT_PORT);
-
-  int sock_bind = bind(listen_sd, (struct sockaddr *)&addr, sizeof(addr));
-  die_lz(sock_bind, "bind()");
-
-  int sock_listen = listen(listen_sd, 32);
-  die_lz(sock_listen, "listen()");
-
-  /*
-    The first fd entry is the listening socket for new connections;
-    all the rest are sockets we read from and write to. Whenever a client
-    connects, we know from the listening socket.
-  */
-
-  alloc_zero(fds, sizeof(fds));
-  fds[0].fd = listen_sd;
-  fds[0].events = POLLIN;
-
-  int timeout = 6000;
-  int sock_poll;
-  bool end_server = false;
-
-  /* mainloop */
-  do {
-    bool compress_array = false;
-    /*
-      if an fd loses connection, we want to remove all -1's from the fds array
-     */
-
-    sock_poll = poll(local_fds, nfds, timeout);
-    die_lz(sock_poll, "poll()");
-
-    for (int i = 0; i < nfds; i++) {
-      if (local_fds[i].revents == 0)
-        continue;
-
-      if (local_fds[i].revents != POLLIN) {
-        end_server = true;
-        break;
-      }
-
-      if (local_fds[i].fd == listen_sd) {
-        printf("socket is readable\n");
-        int new_sd;
-
-        do {
-          new_sd = accept(listen_sd, NULL, NULL);
-
-          if (new_sd < 0 && errno != EWOULDBLOCK) {
-            perror("accept() failed");
-            end_server = true;
-            break;
-          }
-
-          local_fds[nfds].fd = new_sd;
-          local_fds[nfds].events = POLLIN;
-          nfds++;
-        } while (new_sd >= 0);
-      } else {
-        bool close_conn = false;
-        int fd_recv;
-        int fd_send;
-        fd_recv = recv(local_fds[i].fd, buffer, sizeof(buffer), 0);
-
-        if (fd_recv < 0 && errno != EWOULDBLOCK) {
-          perror("recv() failed");
-          close_conn = true;
-        } else if (fd_recv == 0) {
-          printf("Connection closed\n");
-          close_conn = true;
-        } else {
-          /* echo server -- replace this with buffer parsing */
-          /* TODO: reply to client based on user input */
-          fd_send = send(local_fds[i].fd, buffer, fd_recv, 0);
-          if (fd_send < 0) {
-            perror("send()");
-            close_conn = true;
-          }
-        }
-
-        if (close_conn) {
-          close(local_fds[i].fd);
-          local_fds[i].fd = 0;
-          compress_array = true;
-        }
-      }
-    }
-
-    if (compress_array) {
-      printf("switching...\n");
-      int cur_nfds = nfds;
-      nfds = 0;
-      for (int i = 0; i < cur_nfds; i++) {
-	if (local_fds[i].fd != 0) {
-	  local_fds2[nfds] = local_fds[i];
-	  nfds ++;
-	}
-      }
-
-      local_fds1 = local_fds2;
-      local_fds2 = local_fds;
-      local_fds = local_fds1;
-      alloc_zero(local_fds2, MAX_CONNECTIONS);
-    }
-  } while (!end_server);
-
-  for (int i = 0; i < nfds; i++) {
-    if (fds[i].fd >= 0) {
-      close(fds[i].fd);
-    }
-  }
-
-  return 0;
-}