Added minimal send implementation

Renamed minirecv.c to recv.c
Added build commands to build.sh
Added the use of common code

1 files changed, 23 insertions, 40 deletions

diff --git a/send.c b/send.c
index 50ab373..693321e 100644
--- a/send.c
+++ b/send.c
@@ -1,10 +1,14 @@
+// minimal client implementation
 #include "common.h"
 #include <arpa/inet.h>
 #include <errno.h>
 #include <signal.h>
+#include <string.h>
 #include <time.h>
 #include <unistd.h>
 
+u32 serverfd;
+
 // NOTE: Errno could be unset and contain an error for a previous command
 void debug_panic(const char *msg)
 {
@@ -12,65 +16,44 @@ void debug_panic(const char *msg)
     raise(SIGINT);
 }
 
-int main(void)
+// get current time in timestamp string
+void timestamp(char timestamp[MESSAGE_TIMESTAMP_LEN])
 {
-    // time for a new entered message
     time_t now;
-    // localtime of new sent message
     struct tm *ltime;
+    time(&now);
+    ltime = localtime(&now);
+    strftime(timestamp, MESSAGE_TIMESTAMP_LEN, "%H:%M:%S", ltime);
+}
 
-    int serverfd;
 
-    struct message input = {
-        .author = "Friendship",
-    };
 
+int main(void)
+{
     serverfd = socket(AF_INET, SOCK_STREAM, 0);
     if (serverfd == -1)
         debug_panic("Error while getting socket.");
 
-    // Set timestamp for the message
-    time(&now);
-    ltime = localtime(&now);
-    strftime(input.timestamp, sizeof(input.timestamp), "%H:%M:%S", ltime);
-
-    input.text = "HII!!";
-    input.len  = str_len(input.text);
-
     const struct sockaddr_in address = {
         AF_INET,
-        htons(9999),
+        htons(PORT),
         {0},
     };
 
     if (connect(serverfd, (struct sockaddr *)&address, sizeof(address)))
         debug_panic("Error while connecting.");
 
-    u16 buf_len = MESSAGE_AUTHOR_LEN + MESSAGE_TIMESTAMP_LEN + input.len;
-    printf("buf_len: %d\n", buf_len);
-    char buf[buf_len];
-    str_cpy(buf, input.author);
-    str_cpy(buf + MESSAGE_AUTHOR_LEN, input.timestamp);
-    str_cpy(buf + MESSAGE_AUTHOR_LEN + MESSAGE_TIMESTAMP_LEN, input.text);
-
-    int n = send(serverfd, &buf, buf_len, 0);
-    if (n == -1)
-        debug_panic("Error while sending message");
-    writef("%d bytes sent.\n", n);
+    struct message input = {
+        .author    = "Friendship",
+        .timestamp = ""
+    };
+    input.text = "HII!!";
+    input.len  = str_len(input.text);
+    timestamp(input.timestamp);
 
-    {
-        input.text  = "cleared";
-        u16 buf_len = MESSAGE_AUTHOR_LEN + MESSAGE_TIMESTAMP_LEN + input.len;
-        printf("buf_len: %d\n", buf_len);
-        char buf[buf_len];
-        str_cpy(buf, input.author);
-        str_cpy(buf + MESSAGE_AUTHOR_LEN, input.timestamp);
-        str_cpy(buf + MESSAGE_AUTHOR_LEN + MESSAGE_TIMESTAMP_LEN, input.text);
-        int n = send(serverfd, &buf, buf_len, 0);
-        if (n == -1)
-            debug_panic("Error while sending message");
-        writef("%d bytes sent.\n", n);
-    }
+    send_message(input, serverfd);
+    // send_message(input);
+    // send_message(input);
 
     return 0;
 }