asynchronous execution finaly working
authorHarvie <tomas@mudrunka.cz>
Wed, 2 Jun 2010 23:17:31 +0000 (01:17 +0200)
committerHarvie <tomas@mudrunka.cz>
Wed, 2 Jun 2010 23:17:31 +0000 (01:17 +0200)
answerscripts.c

index f8e03fe..df61a27 100755 (executable)
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <errno.h>
 
 #define ANSWERSCRIPT "answerscripts.exe"
 #define ANSWERSCRIPTS_TIMEOUT_INTERVAL 250
 #define ANSWERSCRIPTS_LINE_LENGTH 4096
 
+//#define __WIN32__
+
+#ifndef __WIN32__
+       #include <fcntl.h>
+#endif
+
 char *buff = NULL;
 char *hook_script = NULL;
 char response[ANSWERSCRIPTS_LINE_LENGTH+1];
@@ -30,15 +37,19 @@ typedef struct {
   PurpleConversation *conv;
 } answerscripts_job;
 
-int answerscripts_process_message(answerscripts_job *job) {
-       //TODO: process scripts and send response asynchronously
+int answerscripts_process_message_cb(answerscripts_job *job) {
        FILE *pipe = job->pipe;
        PurpleConversation *conv = job->conv;
 
-       if (pipe && fgets(response, ANSWERSCRIPTS_LINE_LENGTH, pipe)) {
+       if (pipe && !feof(pipe)) {
+               if(!fgets(response, ANSWERSCRIPTS_LINE_LENGTH, pipe)
+                       && (errno == EWOULDBLOCK || errno == EAGAIN)
+               ) return 1;
+
                for(i=0;response[i];i++) if(response[i]=='\n') response[i]=0;
                purple_conv_im_send(purple_conversation_get_im_data(conv), response);
-               return 1;
+
+               if(!feof(pipe)) return 1;
        }
        pclose(pipe);
        free(job);
@@ -63,7 +74,12 @@ received_im_msg_cb(PurpleAccount *account, char *who, char *buffer, PurpleConver
        job->pipe = popen(hook_script, "r");
        job->conv = conv;
 
-       purple_timeout_add(ANSWERSCRIPTS_TIMEOUT_INTERVAL, answerscripts_process_message, (gpointer) job);
+       #ifndef __WIN32__
+               int fflags = fcntl(fileno(job->pipe), F_GETFL, 0);
+               fcntl(fileno(job->pipe), F_SETFL, fflags | O_NONBLOCK);
+       #endif
+
+       purple_timeout_add(ANSWERSCRIPTS_TIMEOUT_INTERVAL, (GSourceFunc) answerscripts_process_message_cb, (gpointer) job);
 
 }
 
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