added get last queued job id

client.c

@@ -263,6 +263,26 @@ void c_show_info()
     }
 }
 
+void c_show_last_id() {
+    struct msg m;
+    int res;
+
+    m.type = LAST_ID;
+    send_msg(server_socket, &m);
+
+    /* Receive the answer */
+    res = recv_msg(server_socket, &m);
+    if(res != sizeof(m))
+        error("Error in get_output_file");
+
+    switch(m.type) {
+        case LAST_ID:
+            printf("%d\n", m.u.jobid);
+        default:
+            warning("Wrong internal message in get_output_file line size");
+    }
+}
+
 void c_send_runjob_ok(const char *ofname, int pid)
 {
     struct msg m;

jobs.c

@@ -911,6 +911,14 @@ void s_job_info(int s, int jobid)
     }
 }
 
+void s_send_last_id(int s) {
+    struct msg m;
+
+    m.type = LAST_ID;
+    m.u.jobid = jobids - 1;
+    send_msg(s, &m);
+}
+
 void s_send_output(int s, int jobid)
 {
     struct Job *p = 0;

main.c

@@ -84,7 +84,7 @@ void parse_opts(int argc, char **argv)
 
     /* Parse options */
     while(1) {
-        c = getopt(argc, argv, ":RVhKgClnfmBEr:a:t:c:o:p:w:k:u:s:U:i:N:L:dS:D:");
+        c = getopt(argc, argv, ":RVhKgClnfmBEr:a:t:c:o:p:w:k:u:s:U:qi:N:L:dS:D:");
 
         if (c == -1)
             break;
@@ -150,6 +150,9 @@ void parse_opts(int argc, char **argv)
                 command_line.request = c_INFO;
                 command_line.jobid = atoi(optarg);
                 break;
+            case 'q':
+                command_line.request = c_LAST_ID;
+                break;
             case 'a':
                 command_line.request = c_GET_LABEL;
                 command_line.jobid = atoi(optarg);
@@ -370,6 +373,7 @@ static void print_help(const char *cmd)
     printf("  -i [id]  show job information. Of last job run, if not specified.\n");
     printf("  -s [id]  show the job state. Of the last added, if not specified.\n");
     printf("  -a [id]  show the job label. Of the last added, if not specified.\n");
+    printf("  -q       show the job ID of the last added.\n");
     printf("  -r [id]  remove a job. The last added, if not specified.\n");
     printf("  -w [id]  wait for a job. The last added, if not specified.\n");
     printf("  -k [id]  send SIGTERM to the job process group. The last run, if not specified.\n");
@@ -511,6 +515,11 @@ int main(int argc, char **argv)
             error("The command %i needs the server", command_line.request);
         c_show_info();
         break;
+    case c_LAST_ID:
+        if (!command_line.need_server)
+            error("The command %i needs the server", command_line.request);
+        c_show_last_id();
+        break;
     case c_GET_LABEL:
         if (!command_line.need_server)
             error("The command %i needs the server", command_line.request);

main.h

@@ -43,7 +43,8 @@ enum msg_types
     VERSION,
     NEWJOB_NOK,
     COUNT_RUNNING,
-    GET_LABEL
+    GET_LABEL,
+    LAST_ID
 };
 
 enum Request
@@ -68,7 +69,8 @@ enum Request
     c_GET_MAX_SLOTS,
     c_KILL_JOB,
     c_COUNT_RUNNING,
-    c_GET_LABEL
+    c_GET_LABEL,
+    c_LAST_ID
 };
 
 struct Command_line {
@@ -223,6 +225,7 @@ int c_wait_newjob_ok();
 void c_get_state();
 void c_swap_jobs();
 void c_show_info();
+void c_show_last_id();
 char *build_command_string();
 void c_send_max_slots(int max_slots);
 void c_get_max_slots();
@@ -254,6 +257,7 @@ void dump_notifies_struct(FILE *out);
 void joblist_dump(int fd);
 const char * jstate2string(enum Jobstate s);
 void s_job_info(int s, int jobid);
+void s_send_last_id(int s);
 void s_send_runjob(int s, int jobid);
 void s_set_max_slots(int new_max_slots);
 void s_get_max_slots(int s);

server.c

@@ -421,6 +421,9 @@ static enum Break
             close(s);
             remove_connection(index);
             break;
+        case LAST_ID:
+            s_send_last_id(s);
+            break;
         case GET_LABEL:
             s_get_label(s, m.u.jobid);
             break;