From 9b8704294a4cef8df85fee50177f739f54c6c9a5 Mon Sep 17 00:00:00 2001
From: Alastair Poole <netstar@gmail.com>
Date: Mon, 1 Mar 2021 16:42:39 +0000
Subject: [PATCH] network: iface ur face my face.

---
 src/bin/main.c                       | 10 ++++++
 src/bin/system/machine.h             | 14 +++++---
 src/bin/system/machine/network.bogox | 51 +++++++++++++---------------
 3 files changed, 43 insertions(+), 32 deletions(-)

diff --git a/src/bin/main.c b/src/bin/main.c
index 1b246eb..7ae9bbb 100644
--- a/src/bin/main.c
+++ b/src/bin/main.c
@@ -73,6 +73,16 @@ elm_main(int argc, char **argv)
           }
      }
 
+#if 0
+   int n;
+   net_iface_t **ifaces = system_network_ifaces_get(&n);
+   for (int i = 0; i < n; i++) {
+       printf("%s\n", ifaces[i]->name);
+       free(ifaces[i]);
+   }
+   if (ifaces) free(ifaces);
+   exit(1);
+#endif
    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 
 #if ENABLE_NLS
diff --git a/src/bin/system/machine.h b/src/bin/system/machine.h
index 8cc9e28..bd5de5f 100644
--- a/src/bin/system/machine.h
+++ b/src/bin/system/machine.h
@@ -78,9 +78,13 @@ typedef struct
 
 typedef struct
 {
-   uint64_t incoming;
-   uint64_t outgoing;
-} network_t;
+   char name[255];
+   struct
+   {
+      uint64_t in;
+      uint64_t out;
+   } xfer;
+} net_iface_t;
 
 int
 system_cpu_online_count_get(void);
@@ -136,7 +140,7 @@ system_power_state_get(power_t *power);
 void
 system_power_state_free(power_t *power);
 
-void
-system_network_transfer_get(network_t *usage);
+net_iface_t **
+system_network_ifaces_get(int *n);
 
 #endif
diff --git a/src/bin/system/machine/network.bogox b/src/bin/system/machine/network.bogox
index 9cb541b..33f0b20 100644
--- a/src/bin/system/machine/network.bogox
+++ b/src/bin/system/machine/network.bogox
@@ -98,54 +98,51 @@ _openbsd_generic_network_status(uint64_t *in,
 #endif
 
 #if defined(__linux__)
-static void
-_linux_generic_network_status(uint64_t *in,
-                              uint64_t *out)
+static net_iface_t **
+_linux_generic_network_status(int *n)
 {
    FILE *f;
-   char buf[4096], dummy_s[256];
+   char buf[4096], name[128];
    unsigned long int tmp_in, tmp_out, dummy;
 
    f = fopen("/proc/net/dev", "r");
-   if (!f) return;
+   if (!f) return NULL;
+
+   net_iface_t **ifaces = NULL;
 
    while (fgets(buf, sizeof(buf), f))
      {
         if (17 == sscanf(buf, "%s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu "
-                         "%lu %lu %lu %lu %lu\n", dummy_s, &tmp_in, &dummy,
+                         "%lu %lu %lu %lu %lu\n", name, &tmp_in, &dummy,
                          &dummy, &dummy, &dummy, &dummy, &dummy, &dummy,
                          &tmp_out, &dummy, &dummy, &dummy, &dummy, &dummy,
                          &dummy, &dummy))
           {
-             *in += tmp_in;
-             *out += tmp_out;
+             net_iface_t *iface = malloc(sizeof(net_iface_t));
+             if (iface)
+               {
+                  name[strlen(name)-1] = '\0';
+                  snprintf(iface->name, sizeof(iface->name), "%s", name);
+                  iface->xfer.in = tmp_in;
+                  iface->xfer.out = tmp_out;
+                  void *t = realloc(ifaces, (1 + 1 + *n) * sizeof(net_iface_t *));
+                  ifaces = t;
+                  ifaces[(*n)++] = iface;
+               }
           }
      }
 
    fclose(f);
+
+   return ifaces;
 }
 
 #endif
 
-void
-system_network_transfer_get(network_t *usage)
+net_iface_t **
+system_network_ifaces_get(int *n)
 {
-   uint64_t first_in = 0, first_out = 0;
-   uint64_t last_in = 0, last_out = 0;
-#if defined(__linux__)
-   _linux_generic_network_status(&first_in, &first_out);
-   usleep(1000000);
-   _linux_generic_network_status(&last_in, &last_out);
-#elif defined(__OpenBSD__)
-   _openbsd_generic_network_status(&first_in, &first_out);
-   usleep(1000000);
-   _openbsd_generic_network_status(&last_in, &last_out);
-#elif defined(__MacOS__) || defined(__FreeBSD__) || defined(__DragonFly__)
-   _freebsd_generic_network_status(&first_in, &first_out);
-   usleep(1000000);
-   _freebsd_generic_network_status(&last_in, &last_out);
-#endif
-   usage->incoming = last_in - first_in;
-   usage->outgoing = last_out - first_out;
+   *n = 0;
+   return _linux_generic_network_status(n);
 }