This change adds write support to the rilmodem-test-server
in order to support testing receipt of unsolicted RIL
responses.
---
 unit/rilmodem-test-server.c | 113 ++++++++++++++++++++++++++++----------------
 unit/rilmodem-test-server.h |  11 ++++-
 2 files changed, 80 insertions(+), 44 deletions(-)

diff --git a/unit/rilmodem-test-server.c b/unit/rilmodem-test-server.c
index 52a3c74..17e5090 100644
--- a/unit/rilmodem-test-server.c
+++ b/unit/rilmodem-test-server.c
@@ -37,10 +37,13 @@
 
 #define MAX_REQUEST_SIZE 4096
 
-static int server_sk;
-static ConnectFunc connect_func;
-static GIOChannel *server_io;
-static const struct rilmodem_test_data *rtd;
+struct server_data {
+       int server_sk;
+       ConnectFunc connect_func;
+       GIOChannel *server_io;
+       const struct rilmodem_test_data *rtd;
+       void *user_data;
+};
 
 /* Warning: length is stored in network order */
 struct rsp_hdr {
@@ -52,6 +55,7 @@ struct rsp_hdr {
 
 static gboolean read_server(gpointer data)
 {
+       struct server_data *sd = data;
        GIOStatus status;
        gsize offset, rbytes, wbytes;
        gchar *buf, *bufp;
@@ -60,14 +64,13 @@ static gboolean read_server(gpointer data)
 
        buf = g_malloc0(MAX_REQUEST_SIZE);
 
-       status = g_io_channel_read_chars(server_io, buf, MAX_REQUEST_SIZE,
+       status = g_io_channel_read_chars(sd->server_io, buf, MAX_REQUEST_SIZE,
                                                                &rbytes, NULL);
        g_assert(status == G_IO_STATUS_NORMAL);
-
-       g_assert(rbytes == rtd->req_size);
+       g_assert(rbytes == sd->rtd->req_size);
 
        /* validate len, and request_id */
-       g_assert(!memcmp(buf, rtd->req_data, (sizeof(uint32_t) * 2)));
+       g_assert(!memcmp(buf, sd->rtd->req_data, (sizeof(uint32_t) * 2)));
 
        /*
         * header: size (uint32), reqid (uin32), serial (uint32)
@@ -84,28 +87,28 @@ static gboolean read_server(gpointer data)
 
        /* validate the rest of the parcel... */
        offset = (sizeof(uint32_t) * 3);
-       g_assert(!memcmp(bufp, rtd->req_data + offset,
-                                               rtd->req_size - offset));
+       g_assert(!memcmp(bufp, sd->rtd->req_data + offset,
+                                               sd->rtd->req_size - offset));
 
        /* Length does not include the length field. Network order. */
-       rsp.length = htonl(sizeof(rsp) - sizeof(rsp.length) + rtd->rsp_size);
+       rsp.length = htonl(sizeof(rsp) - sizeof(rsp.length) +
+                                                       sd->rtd->rsp_size);
        rsp.unsolicited = 0;
        rsp.serial = req_serial;
-       rsp.error = rtd->rsp_error;
+       rsp.error = sd->rtd->rsp_error;
 
        /* copy header */
        memcpy(buf, &rsp, sizeof(rsp));
 
-       if (rtd->rsp_size) {
+       if (sd->rtd->rsp_size) {
                bufp = buf + sizeof(rsp);
 
-               memcpy(bufp, rtd->rsp_data, rtd->rsp_size);
+               memcpy(bufp, sd->rtd->rsp_data, sd->rtd->rsp_size);
        }
 
-
-       status = g_io_channel_write_chars(server_io,
+       status = g_io_channel_write_chars(sd->server_io,
                                        buf,
-                                       sizeof(rsp) + rtd->rsp_size,
+                                       sizeof(rsp) + sd->rtd->rsp_size,
                                        &wbytes, NULL);
 
        /* FIXME: assert wbytes is correct */
@@ -113,7 +116,7 @@ static gboolean read_server(gpointer data)
        g_assert(status == G_IO_STATUS_NORMAL);
 
        g_free(buf);
-       g_io_channel_unref(server_io);
+       g_io_channel_unref(sd->server_io);
 
        return FALSE;
 }
@@ -121,6 +124,7 @@ static gboolean read_server(gpointer data)
 static gboolean on_socket_connected(GIOChannel *chan, GIOCondition cond,
                                                                gpointer data)
 {
+       struct server_data *sd = data;
        struct sockaddr saddr;
        unsigned int len = sizeof(saddr);
        int fd;
@@ -128,48 +132,52 @@ static gboolean on_socket_connected(GIOChannel *chan, 
GIOCondition cond,
 
        g_assert(cond == G_IO_IN);
 
-       fd = accept(server_sk, &saddr, &len);
+       fd = accept(sd->server_sk, &saddr, &len);
        g_assert(fd != -1);
 
-       server_io = g_io_channel_unix_new(fd);
-       g_assert(server_io != NULL);
+       sd->server_io = g_io_channel_unix_new(fd);
+       g_assert(sd->server_io != NULL);
 
-       if (connect_func)
-               connect_func(data);
-
-       status = g_io_channel_set_encoding(server_io, NULL, NULL);
+       status = g_io_channel_set_encoding(sd->server_io, NULL, NULL);
        g_assert(status == G_IO_STATUS_NORMAL);
 
-       g_io_channel_set_buffered(server_io, FALSE);
-       g_io_channel_set_close_on_unref(server_io, TRUE);
+       g_io_channel_set_buffered(sd->server_io, FALSE);
+       g_io_channel_set_close_on_unref(sd->server_io, TRUE);
+
+       if (sd->connect_func)
+               sd->connect_func(sd->user_data);
 
-       g_idle_add(read_server, data);
+       if (sd->rtd->unsol_test == FALSE)
+               g_idle_add(read_server, sd);
 
        return FALSE;
 }
 
-void rilmodem_test_server_close(void)
+void rilmodem_test_server_close(struct server_data *sd)
 {
-       g_assert(server_sk);
-       close(server_sk);
-       server_sk = 0;
+       g_assert(sd->server_sk);
+       close(sd->server_sk);
+       g_free(sd);
 }
 
-void rilmodem_test_server_create(ConnectFunc connect,
+struct server_data *rilmodem_test_server_create(ConnectFunc connect,
                                const struct rilmodem_test_data *test_data,
                                void *data)
 {
        GIOChannel *io;
        struct sockaddr_un addr;
        int retval;
+       struct server_data *sd;
 
-       g_assert(server_sk == 0);
 
-       connect_func = connect;
-       rtd = test_data;
+       sd = g_new0(struct server_data, 1);
 
-       server_sk = socket(AF_UNIX, SOCK_STREAM, 0);
-       g_assert(server_sk);
+       sd->connect_func = connect;
+       sd->user_data = data;
+       sd->rtd = test_data;
+
+       sd->server_sk = socket(AF_UNIX, SOCK_STREAM, 0);
+       g_assert(sd->server_sk);
 
        memset(&addr, 0, sizeof(addr));
        addr.sun_family = AF_UNIX;
@@ -178,19 +186,40 @@ void rilmodem_test_server_create(ConnectFunc connect,
        /* Unlink any existing socket for this session */
        unlink(addr.sun_path);
 
-       retval = bind(server_sk, (struct sockaddr *) &addr, sizeof(addr));
+       retval = bind(sd->server_sk, (struct sockaddr *) &addr, sizeof(addr));
        g_assert(retval >= 0);
 
-       retval = listen(server_sk, 0);
+       retval = listen(sd->server_sk, 0);
        g_assert(retval >= 0);
 
-       io = g_io_channel_unix_new(server_sk);
+       io = g_io_channel_unix_new(sd->server_sk);
        g_assert(io != NULL);
 
        g_io_channel_set_close_on_unref(io, TRUE);
        g_io_add_watch_full(io, G_PRIORITY_DEFAULT,
                                G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
-                               on_socket_connected, data, NULL);
+                               on_socket_connected, sd, NULL);
 
        g_io_channel_unref(io);
+
+       return sd;
+}
+
+void rilmodem_test_server_write(struct server_data *sd,
+                                               const unsigned char *buf,
+                                               const size_t buf_len)
+{
+       GIOStatus status;
+       gsize wbytes;
+
+       status = g_io_channel_write_chars(sd->server_io,
+                                       (const char *) buf,
+                                       buf_len,
+                                       &wbytes, NULL);
+
+       g_assert(status == G_IO_STATUS_NORMAL);
+
+       status = g_io_channel_flush(sd->server_io, NULL);
+
+       g_assert(status == G_IO_STATUS_NORMAL);
 }
diff --git a/unit/rilmodem-test-server.h b/unit/rilmodem-test-server.h
index ba8b43c..e6a2afc 100644
--- a/unit/rilmodem-test-server.h
+++ b/unit/rilmodem-test-server.h
@@ -21,6 +21,8 @@
 
 #define RIL_SERVER_SOCK_PATH    "/tmp/unittestril"
 
+struct server_data;
+
 struct rilmodem_test_data {
        const unsigned char *req_data;
 
@@ -29,12 +31,17 @@ struct rilmodem_test_data {
        uint32_t rsp_error;
        const unsigned char *rsp_data;
        const size_t rsp_size;
+       gboolean unsol_test;
 };
 
 typedef void (*ConnectFunc)(void *data);
 
-void rilmodem_test_server_close(void);
+void rilmodem_test_server_close(struct server_data *sd);
 
-void rilmodem_test_server_create(ConnectFunc connect,
+struct server_data *rilmodem_test_server_create(ConnectFunc connect,
                                const struct rilmodem_test_data *test_data,
                                void *data);
+
+void rilmodem_test_server_write(struct server_data *sd,
+                                               const unsigned char *buf,
+                                               const size_t buf_len);
-- 
2.1.4

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