Add imv-msg command

1 files changed, 42 insertions, 0 deletions

diff --git a/src/imv_msg.c b/src/imv_msg.c
new file mode 100644
index 0000000..505b843
--- /dev/null
+++ b/src/imv_msg.c
@@ -0,0 +1,42 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include "ipc.h"
+
+int main(int argc, char **argv)
+{
+  if (argc < 3) {
+    fprintf(stderr, "Usage: %s <pid> <command>\n", argv[0]);
+    return 0;
+  }
+
+  int sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
+  assert(sockfd);
+
+  struct sockaddr_un desc = {
+    .sun_family = AF_UNIX
+  };
+  imv_ipc_path(desc.sun_path, sizeof desc.sun_path, atoi(argv[1]));
+
+  if (connect(sockfd, (struct sockaddr *)&desc, sizeof desc) < 0) {
+    perror("Failed to connect");
+    return 1;
+  }
+
+  char buf[4096] = {0};
+  for (int i = 2; i < argc; ++i) {
+    strncat(buf, argv[i], sizeof buf - 1);
+    if (i + 1 < argc) {
+      strncat(buf, " ", sizeof buf - 1);
+    }
+  }
+  strncat(buf, "\n", sizeof buf - 1);
+
+  write(sockfd, buf, strlen(buf));
+  close(sockfd);
+  return 0;
+}