[PATCH spice-streaming-agent v3 1/2] Make "agent" object not static

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Allows to catch possible exception building the object.
Also will allow to more safely handle logger dependency.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 src/concrete-agent.cpp        | 11 +++--------
 src/concrete-agent.hpp        |  4 +---
 src/spice-streaming-agent.cpp | 12 +++++++-----
 3 files changed, 11 insertions(+), 16 deletions(-)

diff --git a/src/concrete-agent.cpp b/src/concrete-agent.cpp
index f94aead..fb1412b 100644
--- a/src/concrete-agent.cpp
+++ b/src/concrete-agent.cpp
@@ -25,9 +25,10 @@ static inline unsigned MinorVersion(unsigned version)
     return version & 0xffu;
 }
 
-ConcreteAgent::ConcreteAgent()
+ConcreteAgent::ConcreteAgent(const std::vector<ConcreteConfigureOption> &options):
+    options(options)
 {
-    options.push_back(ConcreteConfigureOption(nullptr, nullptr));
+    this->options.push_back(ConcreteConfigureOption(nullptr, nullptr));
 }
 
 bool ConcreteAgent::PluginVersionIsCompatible(unsigned pluginVersion) const
@@ -49,12 +50,6 @@ const ConfigureOption* ConcreteAgent::Options() const
     return static_cast<const ConfigureOption*>(&options[0]);
 }
 
-void ConcreteAgent::AddOption(const char *name, const char *value)
-{
-    // insert before the last {nullptr, nullptr} value
-    options.insert(--options.end(), ConcreteConfigureOption(name, value));
-}
-
 void ConcreteAgent::LoadPlugins(const std::string &directory)
 {
     std::string pattern = directory + "/*.so";
diff --git a/src/concrete-agent.hpp b/src/concrete-agent.hpp
index 99dcf54..2c2ebc8 100644
--- a/src/concrete-agent.hpp
+++ b/src/concrete-agent.hpp
@@ -26,12 +26,10 @@ struct ConcreteConfigureOption: ConfigureOption
 class ConcreteAgent final : public Agent
 {
 public:
-    ConcreteAgent();
+    ConcreteAgent(const std::vector<ConcreteConfigureOption> &options);
     void Register(const std::shared_ptr<Plugin>& plugin) override;
     const ConfigureOption* Options() const override;
     void LoadPlugins(const std::string &directory);
-    // pointer must remain valid
-    void AddOption(const char *name, const char *value);
     FrameCapture *GetBestFrameCapture(const std::set<SpiceVideoCodecType>& codecs);
 private:
     bool PluginVersionIsCompatible(unsigned pluginVersion) const;
diff --git a/src/spice-streaming-agent.cpp b/src/spice-streaming-agent.cpp
index 9507a54..039d628 100644
--- a/src/spice-streaming-agent.cpp
+++ b/src/spice-streaming-agent.cpp
@@ -41,8 +41,6 @@
 
 using namespace spice::streaming_agent;
 
-static ConcreteAgent agent;
-
 class FormatMessage : public OutboundMessage<StreamMsgFormat, FormatMessage, STREAM_TYPE_FORMAT>
 {
 public:
@@ -231,7 +229,7 @@ static void usage(const char *progname)
 }
 
 static void
-do_capture(StreamPort &stream_port, FrameLog &frame_log)
+do_capture(StreamPort &stream_port, FrameLog &frame_log, ConcreteAgent &agent)
 {
     unsigned int frame_count = 0;
     while (!quit_requested) {
@@ -353,6 +351,8 @@ int main(int argc, char* argv[])
 
     setlogmask(LOG_UPTO(LOG_NOTICE));
 
+    std::vector<ConcreteConfigureOption> options;
+
     while ((opt = getopt_long(argc, argv, "hp:c:l:d", long_options, NULL)) != -1) {
         switch (opt) {
         case 0:
@@ -371,7 +371,7 @@ int main(int argc, char* argv[])
                 usage(argv[0]);
             }
             *p++ = '\0';
-            agent.AddOption(optarg, p);
+            options.push_back(ConcreteConfigureOption(optarg, p));
             break;
         }
         case OPT_LOG_BINARY:
@@ -401,6 +401,8 @@ int main(int argc, char* argv[])
     register_interrupts();
 
     try {
+        ConcreteAgent agent(options);
+
         // register built-in plugins
         MjpegPlugin::Register(&agent);
 
@@ -418,7 +420,7 @@ int main(int argc, char* argv[])
         std::thread cursor_updater{CursorUpdater(&stream_port)};
         cursor_updater.detach();
 
-        do_capture(stream_port, frame_log);
+        do_capture(stream_port, frame_log, agent);
     }
     catch (std::exception &err) {
         syslog(LOG_ERR, "%s", err.what());
-- 
2.20.1

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