Sprint-Challenge--C-Web-Server - Scott Bren

README.md

@@ -1,4 +1,4 @@
-# Sprint Challenge: C Web Server Sprint
+# Sprint Challenge: C Web Server Sprint -
 
 This challenge allows you to practice the concepts and techniques learned over
 the past week and apply them in a concrete project. This Sprint explored

src/client.c

@@ -31,20 +31,65 @@ urlinfo_t *parse_url(char *url)
   char *hostname = strdup(url);
   char *port;
   char *path;
-
-  urlinfo_t *urlinfo = malloc(sizeof(urlinfo_t));
-
-  /*
-    We can parse the input URL by doing the following:
-
-    1. Use strchr to find the first backslash in the URL (this is assuming there is no http:// or https:// in the URL).
-    2. Set the path pointer to 1 character after the spot returned by strchr.
-    3. Overwrite the backslash with a '\0' so that we are no longer considering anything after the backslash.
-    4. Use strchr to find the first colon in the URL.
-    5. Set the port pointer to 1 character after the spot returned by strchr.
-    6. Overwrite the colon with a '\0' so that we are just left with the hostname.
-  */
-
+  char *host;
+
+  char host1[256];
+  char port1[256];
+  char path1[256*2];
+
+  char *ret;
+  char *ret2;
+
+
+  //printf("parsed URL: %s %s %s", hostname, path, port);
+
+    //printf("parsed URL: %s %s %s", hostname, path, port);
+
+    //sscanf(hostname, "%s:%s/%s", host, port, path);
+    //We can parse the input URL by doing the following:
+
+    //1. Use strchr to find the first backslash in the URL (this is assuming there is no http:// or https:// in the URL).
+    //ret = strchr(hostname, '/');
+    //2. Set the path pointer to 1 character after the spot returned by strchr.
+    //path = ret++;
+
+    int i = 0;
+    while(hostname[i] != '/') {
+      i++;
+    }
+    hostname[i] = ' ';
+
+    int j = 0;
+    while(hostname[j] != ':') {
+      j++;
+    }
+    hostname[j] = ' ';
+
+
+    //3. Overwrite the backslash with a '\0' so that we are no longer considering anything after the backslash.
+    //ret = '\0';
+    //4. Use strchr to find the first colon in the URL.
+    //ret2 = strchr(hostname, ':');
+    //5. Set the port pointer to 1 character after the spot returned by strchr.
+    //6. Overwrite the colon with a '\0' so that we are just left with the hostname.
+    sscanf(hostname, "%s %s %s", host1, port1, path1);
+
+    //host = strtok(hostname, ":");
+
+    //strcat("/%s", path1);
+    //strcat(":%s", port1);
+
+    path = path1;
+    host = host1;
+    port = port1;
+
+
+    urlinfo_t *urlinfo = malloc(sizeof(urlinfo_t));
+
+    urlinfo->hostname = host;
+    urlinfo->port = port;
+    urlinfo->path = path;
+
   ///////////////////
   // IMPLEMENT ME! //
   ///////////////////
@@ -71,28 +116,52 @@ int send_request(int fd, char *hostname, char *port, char *path)
   ///////////////////
   // IMPLEMENT ME! //
   ///////////////////
+  int request_length = sprintf(request, "GET /%s HTTP/1.1\nHost: %s:%s\nConnection: close\n\n", path, hostname, port);
 
-  return 0;
+  rv = send(fd, request, request_length, 0);
+
+  if (rv < 0) {
+    perror("send");
+  }
+
+  return rv;
 }
 
 int main(int argc, char *argv[])
 {  
   int sockfd, numbytes;  
   char buf[BUFSIZE];
 
+  char *req;
+
   if (argc != 2) {
     fprintf(stderr,"usage: client HOSTNAME:PORT/PATH\n");
     exit(1);
   }
 
-  /*
-    1. Parse the input URL
-    2. Initialize a socket by calling the `get_socket` function from lib.c
-    3. Call `send_request` to construct the request and send it
-    4. Call `recv` in a loop until there is no more data to receive from the server. Print the received response to stdout.
-    5. Clean up any allocated memory and open file descriptors.
-  */
-
+    req = argv[1];
+    //1. Parse the input URL
+    printf("Got URL: %s\n", req);
+    urlinfo_t *url = parse_url(req);
+    printf("parsed URL: Hostname %s Port %s Path %s\n", url->hostname, url->port, url->path);
+
+    //2. Initialize a socket by calling the `get_socket` function from lib.c
+    sockfd = get_socket(url->hostname, url->port);
+
+    if (sockfd < 0) {
+      fprintf(stderr, "webserver: fatal error getting listening socket\n");
+      exit(1);
+    }
+    //3. Call `send_request` to construct the request and send it
+    send_request(sockfd, url->hostname, url->port, url->path);
+    //4. Call `recv` in a loop until there is no more data to receive from the server. Print the received response to stdout.
+    while ((numbytes = recv(sockfd, buf, BUFSIZE - 1, 0)) > 0) {
+      fprintf(stdout, "%s", buf);
+    }
+    //5. Clean up any allocated memory and open file descriptors.
+    close(sockfd);
+    free(url);
+
   ///////////////////
   // IMPLEMENT ME! //
   ///////////////////