Get some of the last remaining C files into C++

They still need to be fixed up, but they now build with C++.

dpid/dpid.hh

@@ -0,0 +1,124 @@
+/*! \file
+ * Main functions to set-up dpi information and to initialise sockets
+ */
+
+#ifndef DPID_H
+#define DPID_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <sys/socket.h>
+#include <sys/select.h>   /* for fd_set */
+#include <sys/un.h>
+#include <signal.h>       /* for sig_atomic_t */
+#include <netinet/in.h>   /* for ntohl, IPPORT_USERRESERVED and stuff */
+
+#include "d_size.h"
+
+/* FreeBSD 6.4 doesn't have it */
+#ifndef IPPORT_USERRESERVED
+ #define IPPORT_USERRESERVED 5000
+#endif
+
+#define PATH_LEN 50
+#define CMDLEN 20
+#define MSGLEN 50
+#define DPID_BASE_PORT (IPPORT_USERRESERVED + 20)
+
+/*! \TODO: Should read this from flenserrc */
+#define SRS_NAME "dpid.srs"
+extern char *srs_name;
+
+/*! dpid's service request socket file descriptor */
+extern int srs_fd;
+
+/*! plugin state information
+ */
+struct dp {
+   char *id;
+   char *path;
+   int sock_fd;
+   int port;
+   pid_t pid;
+   int filter;
+};
+
+/*! bind dpi with service
+ */
+struct service {
+   char *name;
+   int dp_index;
+};
+
+/*! Number of available plugins */
+extern int numdpis;
+
+/*! Number of sockets being watched */
+extern int numsocks;
+
+/*! State information for each plugin. */
+extern struct dp *dpi_attr_list;
+
+/*! service served for each plugin  */
+extern Dlist *services_list;
+
+/*! Set of sockets watched for connections */
+extern fd_set sock_set;
+
+/*! Set to 1 by the SIGCHLD handler dpi_sigchld */
+extern volatile sig_atomic_t caught_sigchld;
+
+void rm_dpi_sockets(struct dp *dpi_attr_list, int numdpis);
+
+void cleanup(void);
+
+void free_dpi_attr(struct dp *dpi_attr);
+
+void free_plugin_list(struct dp **dpi_attr_list_ptr, int numdpis);
+
+void free_services_list(Dlist *s_list);
+
+enum file_type get_file_type(char *file_name);
+
+int get_dpi_attr(char *dpi_dir, char *service, struct dp *dpi_attr);
+
+int register_service(struct dp *dpi_attr, char *service);
+
+int register_all(struct dp **attlist);
+
+int fill_services_list(struct dp *attlist, int numdpis, Dlist **services_list);
+
+int init_ids_srs_socket(void);
+
+int init_dpi_socket(struct dp *dpi_attr);
+
+int init_all_dpi_sockets(struct dp *dpi_attr_list);
+
+void dpi_sigchld(int sig);
+
+void handle_sigchld(void);
+
+void est_dpi_sigchld(void);
+
+void est_dpi_terminator(void);
+
+void stop_active_dpis(struct dp *dpi_attr_list, int numdpis);
+
+void ignore_dpi_sockets(struct dp *dpi_attr_list, int numdpis);
+
+int register_all_cmd(void);
+
+char *get_message(int sock, char *dpi_tag);
+
+int service_match(const struct service *A, const char *B);
+
+void send_sockport(int sock_fd, char * dpi_tag, struct dp *dpi_attr_list);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif